CN114167244A - High-voltage impedance automatic detection method and system - Google Patents

Abstract

The invention provides a high-voltage impedance automatic detection method and a system, wherein the method comprises the following steps: controlling the conveying mechanism to drive the product to be tested to move to the testing station; when the product to be detected moves to the station to be detected, the driver is controlled to drive the metal probe to move towards the direction of the butt joint piece; detecting whether the metal probe is in contact with the butting piece or not; when the metal probe is detected to be in contact with the butt joint piece, controlling a voltage resistance tester to carry out voltage resistance test on a product to be tested; when the withstand voltage test is finished, controlling a driver to drive the metal probe to be separated from the butting piece; detecting whether the metal probe is separated from the butt joint part; when the metal probe is detected to be separated from the butting piece, controlling the conveying mechanism to move the product to be tested out of the testing station; the butt joint device is electrically connected with a product to be tested, the metal probe is electrically connected with the ground return input end of the voltage-resistant tester, and the power connector of the product to be tested is electrically connected with the voltage output end of the voltage-resistant tester. The invention can automatically test the insulating property of the electronic product.

Description

Automatic high-voltage impedance detection method and system

Technical Field

The invention relates to the technical field of product quality detection, in particular to a high-voltage impedance automatic detection method and system.

Background

With the rapid development of science and technology, electronic products have become indispensable products in people's daily life. However, in order to ensure the quality of the electronic product, a series of tests are usually performed before the electronic product is shipped. This includes testing of the insulation properties of the product.

The existing test for carrying out insulating property on electronic products mainly uses a voltage-withstanding tester to detect a television through manual work, wires need to be connected every time, so that time and labor are wasted, and high voltage generated by the voltage-withstanding tester can radiate a human body, thereby threatening the life safety of people.

Disclosure of Invention

In order to solve the problems, the high-voltage impedance automatic detection method and the high-voltage impedance automatic detection system provided by the invention can automatically move the product to be detected to the test station for voltage withstanding test by controlling the conveying mechanism and the driver, and automatically drive the product to be detected to move out of the test station after the test is finished.

In a first aspect, the present invention provides an automatic high voltage impedance detection method, including:

controlling the conveying mechanism to drive the product to be tested to move to the testing station;

when the product to be detected moves to the station to be detected, the driver is controlled to drive the metal probe to move towards the direction of the butt joint piece;

detecting whether the metal probe is in contact with the butting piece or not;

when the metal probe is detected to be in contact with the butt joint piece, controlling a voltage resistance tester to carry out voltage resistance test on a product to be tested;

when the withstand voltage test is finished, controlling a driver to drive the metal probe to be separated from the butting piece;

detecting whether the metal probe is separated from the butt joint part;

when the metal probe is detected to be separated from the butting piece, controlling the conveying mechanism to move the product to be tested out of the testing station;

the butt joint device is electrically connected with a product to be tested, the metal probe is electrically connected with the ground return input end of the voltage-resistant tester, and the power connector of the product to be tested is electrically connected with the voltage output end of the voltage-resistant tester.

Optionally, before controlling the driver to drive the metal probe to move towards the direction of the docking piece when the product to be tested moves to the station to be tested, the method includes:

and detecting whether the product to be detected moves to the test station.

Optionally, before controlling the driver to drive the metal probe to move towards the direction of the docking piece when the product to be tested moves to the station to be tested, the method further includes:

acquiring product information of a product to be detected;

judging whether a product to be tested needs to be tested or not according to the product information;

when the product that awaits measuring removes to the station that awaits measuring, control driver drive metal probe removes to the direction of butt joint spare, include:

and when the product to be tested is determined to need to be tested, the driver is controlled to drive the metal probe to move towards the direction of the butt joint piece when the product to be tested moves to the station to be tested.

Optionally, after the controlling the withstand voltage tester to perform the withstand voltage test on the product to be tested, the method further includes:

obtaining a withstand voltage test result;

correlating the withstand voltage test result with the product information of the product to be tested, and storing the withstand voltage test result in a database;

judging whether the test of the product to be tested is qualified or not according to the pressure resistance test result, and alarming if the test of the product to be tested is not qualified;

after the control of the withstand voltage tester to perform withstand voltage test on the product to be tested, the method further comprises the following steps:

and controlling the withstand voltage tester to execute reset operation so as to restore the withstand voltage tester to the initial state.

Optionally, the method further comprises:

controlling the stopper to move to a stopping station to limit the position of the product to be detected;

and when the metal probe is detected to be separated from the butting piece, controlling the stopper to move out of the blocking station.

Optionally, after the controlling the driver to drive the metal probe to move towards the direction of the docking piece when the product to be tested moves to the station to be tested, the method further includes:

monitoring the butt joint duration of the contact of the metal probe and the butt joint piece;

when the butting time length exceeds a first preset time length and the contact between the metal probe and the butting piece is not detected, generating butting fault information associated with a product to be detected, and storing the butting fault information into a database;

after controlling the driver to drive the metal probe to be separated from the butting piece at the end of the withstand voltage test, the method further comprises the following steps:

monitoring the separation duration of the metal probe and the butt joint piece;

and when the separation time length exceeds a second preset time length and the separation of the metal probe and the butt joint part is not detected, generating separation fault information associated with the product to be detected, and storing the separation fault information to a database.

In a second aspect, the present invention provides an automatic high voltage impedance detection system, comprising: the device comprises a motion control card, a transmission mechanism, a tooling plate, a driver, a support plate, a metal probe, a butt joint piece, a detection assembly and a withstand voltage tester;

the butt joint piece is arranged on the tooling plate, the tooling plate is connected with the conveying mechanism, the metal probe is connected with the supporting plate, the driving part of the driver is connected with the supporting plate, the driving piece and the detection assembly are both fixedly connected with the bracket of the conveying mechanism, the metal probe is electrically connected with the ground return input end of the withstand voltage tester, and the motion control card is respectively electrically connected with the conveying mechanism, the detection assembly, the withstand voltage tester and the driver;

the voltage resistance tester is used for carrying out voltage resistance test on a product to be tested;

the voltage output end of the withstand voltage tester is used for being electrically connected with a power supply connector of a product to be tested;

the tooling plate is used for bearing a product to be tested;

the conveying mechanism is used for driving the tooling plate to move;

the butt joint piece is used for being electrically connected with a product to be detected;

the driver is used for driving the metal probe to move relative to the butting piece so as to enable the metal probe to be in contact with or separated from the butting piece;

the detection assembly is used for detecting the relative position of the metal probe and the butting piece;

the motion control card is used for controlling the working states of the conveying mechanism and the withstand voltage tester and controlling the working state of the driver according to the detection result of the detection assembly.

Optionally, the detection assembly comprises: a first detecting member and a second detecting member;

the first detection part and the second detection part are electrically connected with the motion control card;

the first detection part is used for detecting whether the metal probe is in contact with the butt joint part or not, and sending a butt joint success signal to the motion control card when the metal probe is detected to be in contact with the butt joint part;

the second detection part is used for detecting whether the metal probe is separated from the butt joint part or not and sending a separation success signal to the motion control card when the metal probe is detected to be separated from the butt joint part;

the supporting plate is fixedly connected with a buffer piece;

one end of the metal probe, which is far away from the butt joint piece, is fixedly connected with the buffer piece.

Optionally, the system further comprises: an in-place detection member;

the in-place detection part is electrically connected with the motion control card;

the in-place detection part is used for detecting whether the to-be-detected product is brought to the test station by the tooling plate or not, and sending an in-place signal to the motion control card when the to-be-detected product is moved to the test station by the tooling plate, so that the motion control card can test the to-be-detected product.

Optionally, the system further comprises: a stopper and a transparent shield;

the stopper is electrically connected with the motion control card;

the motion control card is also used for sending a release signal to the stopper when the detection assembly detects that the metal probe is connected with and separated from the butt joint part;

the stopper is used for limiting a product to be tested at a test station and releasing the limit of the product to be tested when a release signal is received;

the transparent protective cover is fixedly arranged on the outer side of the metal probe.

According to the automatic detection method and system for high-voltage impedance, provided by the embodiment of the invention, through controlling the conveying mechanism and the driver, the product to be detected can be automatically moved to the station to be detected for voltage withstanding test, and the product to be detected is automatically driven to move out of the station after the test is finished, so that the automation degree of testing the product to be detected is improved; before the test is started and after the test is finished, the relative positions of the metal probes and the butting piece are detected, so that the automation degree of the test is further improved, the effectiveness of the test is ensured, and the test efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an automatic high voltage impedance detection system according to an embodiment of the present application;

FIG. 2 is a schematic flow chart of a high voltage impedance automatic detection method according to an embodiment of the present application;

fig. 3 is a schematic partial structure diagram of a high voltage impedance automatic detection system according to an embodiment of the present application.

Reference numerals

1. A motion control card; 2. a transport mechanism; 21. a support; 3. assembling a plate; 31. a socket; 41. a driver; 42. a support plate; 43. a metal probe; 5. a docking member; 6. a detection component; 61. a first detecting member; 62. a second detecting member; 7. a withstand voltage tester; 81. an in-place detection member; 82. a stopper; 83. a transparent shield.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In a first aspect, the present invention provides an automatic high voltage impedance detection method, which is applied to amotion control card 1, and combines fig. 1 and fig. 2, where a dotted line in fig. 1 is only used to indicate an electrical connection relationship between devices, and the automatic high voltage impedance detection method includes steps S101 to S107:

step S101: and controlling the conveyingmechanism 2 to drive the product to be tested to move to the testing station.

The station to be detected is a position for detecting the product to be detected provided by the detection system.

Step S102: when the product to be tested moves to the station to be tested, thecontrol driver 41 drives themetal probe 43 to move towards the direction of thebutting piece 5.

In an alternative embodiment, before controlling thedriver 41 to drive themetal probe 43 to move towards the direction of theinterface element 5 when the product to be tested moves to the station to be tested, the method includes: and detecting whether the product to be detected moves to the test station.

In this alternative embodiment, the in-position detection member 81 can be used to detect whether the product to be tested is moved to a testing station, such as a photoelectric sensor. When the in-place detection part 81 detects that the product to be tested has moved to the test station, it sends an in-place signal to themotion control card 1, so that themotion control card 1 can test the product to be tested. Therefore, the opening of the test is not required to be manually controlled, and the automation degree of the detection is improved.

In an alternative embodiment, before controlling thedriver 41 to drive themetal probe 43 to move towards the direction of theinterface element 5 when the product to be tested moves to the station to be tested, the method further comprises: acquiring product information of a product to be detected; and judging whether the product to be tested needs to be tested or not according to the product information. In this alternative embodiment, this step is performed after said detecting whether the product under test is moved to the test station. Whether the product to be detected needs to be tested or not is judged according to the product information, so that the corresponding detection system can skip the product to be detected which does not need to be detected, if the previous detection procedure determines that the product to be detected is unqualified, or the product to be detected does not need to be detected by high-voltage impedance, and the like, thereby not only automatically judging whether the product to be detected needs to be detected or not, improving the automation degree of detection, but also improving the detection efficiency.

When the product to be measured moves to the station to be measured, thecontrol driver 41 drives themetal probe 43 to move towards the direction of the buttjoint piece 5, including: when the product to be tested is determined to need to be tested, thedriver 41 is controlled to drive themetal probe 43 to move towards the direction of thebutting piece 5 when the product to be tested moves to the station to be tested. And when the product to be tested is determined not to be required to be tested, controlling the conveyingmechanism 2 to move the product to be tested out of the testing station.

In an alternative embodiment, after controlling thedriver 41 to drive themetal probe 43 to move towards the direction of theinterface element 5 when the product to be tested moves to the station to be tested, the method further comprises: monitoring the docking duration of the contact of themetal probe 43 and thedocking piece 5 through thedetection assembly 6; and when the docking time exceeds a first preset time and the contact of themetal probe 43 and thedocking piece 5 is not detected, generating docking fault information associated with the product to be tested, and storing the docking fault information in a database. The detection system can automatically identify the reason of the fault of the overtime butt joint by setting the first preset time length, and meanwhile, the butt joint fault information is stored, so that the fault tracing and checking are facilitated. The first predetermined time period is not specifically limited in this embodiment.

In an alternative embodiment, when the docking duration exceeds a first predetermined duration, an alarm is issued and the operation of the detection system is suspended.

Step S103: it is detected whether themetal probe 43 is in contact with theinterface element 5.

In this embodiment, thedocking member 5 is a copper sheet, and it can be detected whether themetal probe 43 is in contact with thedocking member 5 by thedetection component 6, such as a magnetic induction switch.

Step S104: and when themetal probe 43 is detected to be in contact with the buttjoint piece 5, controlling thepressure tester 7 to carry out pressure test on the product to be tested.

Specifically, when thedetection component 6 detects that themetal probe 43 is in contact with thedocking member 5, a docking success signal is sent to themotion control card 1. And when themotion control card 1 receives the successful butt joint signal, starting to detect the product to be detected on the station to be detected. Like this, through whether detectmetal probe 43 and interfacingpart 5 contact, can guarantee the reliability of testing result, can also avoid simultaneously because ofmetal probe 43 does not test with interfacingpart 5 good contact, lead to the accident to take place.

In an optional embodiment, after the controlling the withstandvoltage tester 7 performs the withstand voltage test on the product to be tested, the method further includes: obtaining a withstand voltage test result; and correlating the withstand voltage test result with the product information of the product to be tested, and storing the withstand voltage test result in a database. The withstand voltage test result is associated with the product information of the product to be tested and stored in the database, so that the withstand voltage test result can be traced. When the product to be detected is spot checked, the two detection results can be quickly compared.

The method further comprises the following steps: and judging whether the test of the product to be tested is qualified or not according to the withstand voltage test result. And if the voltage withstanding test result is qualified, storing the voltage withstanding test result in a database, and associating the voltage withstanding test result with the product information of the product to be tested. And if the product is not qualified, alarming. Through the judgment of the withstand voltage test result, only the detection information of the qualified product can be stored in the database, so that the utilization rate of the database is improved. When the pressure resistance test result is unqualified, an operator can be informed to check the detection system in time through alarming, and the condition that the test is unqualified due to system failure is avoided.

In an optional embodiment, after the controlling the withstandvoltage tester 7 performs the withstand voltage test on the product to be tested, the method further includes: the withstandvoltage tester 7 is controlled to perform a reset operation to restore the withstandvoltage tester 7 to the initial state. By restoring thevoltage tester 7 to the initial state, thevoltage tester 7 can continuously test different products to be tested according to the test requirements, and if the voltage values output by thevoltage tester 7 are different, the different products to be tested can be met.

Step S105: at the end of the withstand voltage test, thecontrol driver 41 drives themetal probe 43 to be separated from theinterface 5.

In an alternative embodiment, after controlling thedriver 41 to drive themetal probe 43 to separate from theinterface element 5 at the end of the withstand voltage test, the method further includes: monitoring the separation duration of themetal probe 43 from theinterface element 5 by means of thedetection assembly 6; and when the separation time length exceeds a second preset time length and the separation of themetal probe 43 and the butt-joint part 5 is not detected, generating separation fault information associated with the product to be detected, and storing the separation fault information into a database. The detection system can automatically distinguish the reason of the separation fault by setting the second preset time length, and simultaneously, the separation fault information is stored, so that the fault tracing and checking are facilitated. The second predetermined time period is not particularly limited in this embodiment.

In an alternative embodiment, an alarm is issued and the operation of the detection system is suspended when the separation duration exceeds a second predetermined duration.

Step S106: it is detected whether themetal probe 43 is separated from theinterface element 5.

Step S107: and when themetal probe 43 is detected to be separated from thebutting piece 5, controlling the conveyingmechanism 2 to move the product to be tested out of the testing station.

In this embodiment, the docking device is electrically connected to the product to be tested, themetal probe 43 is electrically connected to the ground return input terminal of the withstandvoltage tester 7, and the power connector of the product to be tested is electrically connected to the voltage output terminal of the withstandvoltage tester 7.

According to the automatic high-voltage impedance detection method, the conveyingmechanism 2 and thedriver 41 are controlled, so that a product to be detected can be automatically moved to a station to be detected for voltage withstanding test, the product to be detected is automatically driven to move out of the station after the test is finished, and the automation degree of the test on the product to be detected is improved; before the test is started and after the test is finished, the relative positions of the metal probes 43 and thebutting piece 5 are detected, so that the automation degree of the test is further improved, the effectiveness of the test is ensured, and the test efficiency is improved.

In an optional embodiment, the method further comprises: controlling thestopper 82 to move to a stopping station to define the position of the product to be measured; when the separation of themetal probe 43 from theinterface element 5 is detected, thecontrol stopper 82 moves out of the blocking station. In this optional embodiment, taking the example that the conveyingmechanism 2 drives the product to be tested to move forward, the blocking station is located at the front end of the testing station; when thestopper 82 is needed to limit the position of the product to be tested, thestopper 82 is lifted by opening thestopper 82 so as to prevent the conveyingmechanism 2 from driving the product to be tested to move out of the testing station. Through setting upstopper 82, can improve detecting system's security, prevent that the product that awaits measuring from stopping when testing the station, because of inertia dashes out the test station.

In a second aspect, the present embodiment provides an automatic high voltage impedance detection system, which is used for executing the above automatic high voltage impedance detection method. With reference to fig. 1 and 3, the automatic high-voltage impedance detection system includes: the device comprises amotion control card 1, a conveyingmechanism 2, atooling plate 3, adriver 41, a supportingplate 42, ametal probe 43, a buttjoint piece 5, adetection assembly 6 and a withstandvoltage tester 7.

The setting of buttjoint spare 5 is in on thefrock board 3,frock board 3 withtransport mechanism 2 connects,metal probe 43 with thebackup pad 42 is connected, the drive division ofdriver 41 with thebackup pad 42 is connected, the driving piece with detectingelement 6 all withtransport mechanism 2'ssupport 21 fixed connection,metal probe 43 is connected with the input electricity of going back to the ground of withstandvoltage tester 7,motion control card 1 is connected withtransport mechanism 2, detectingelement 6, withstandvoltage tester 7 anddriver 41 electricity respectively.

Thevoltage resistance tester 7 is used for carrying out voltage resistance test on a product to be tested; the voltage output end of the withstandvoltage tester 7 is used for being electrically connected with a power supply connector of a product to be tested; thetooling plate 3 is used for bearing a product to be tested; the conveyingmechanism 2 is used for driving thetooling plate 3 to move; the buttjoint piece 5 is used for being electrically connected with a product to be tested; thedriver 41 is used for driving themetal probe 43 to move relative to thedocking piece 5, so that themetal probe 43 is in contact with or separated from thedocking piece 5; thedetection assembly 6 is used for detecting the relative position of themetal probe 43 and thebutting piece 5; themotion control card 1 is used for controlling the working states of the conveyingmechanism 2 and the withstandvoltage tester 7 and controlling the working state of thedriver 41 according to the detection result of thedetection component 6.

In this embodiment, the product to be tested is a television, but is not limited thereto; the upper surface of thetooling plate 3 is fixedly provided with asocket 31; the buttjoint piece 5 is a copper sheet; the butt joint piece is fixedly arranged on the upper surface of thetooling plate 3; thetransmission mechanism 2 comprises a conductive slide rail; the copper sheet is connected with the television through an AV high-voltage wire or a USB high-voltage wire, a power line of the television is connected with a high-voltage output end of the withstandvoltage tester 7 through thesocket 31 and the conductive slide rail of thetooling plate 3, and themetal probe 43 is connected with a ground return input end of the withstandvoltage tester 7, so that a closed-loop test circuit is formed for testing the high-voltage insulation performance of the television. The present embodiment does not limit the specific structure of theconveyance mechanism 2. Wherein, through setting up interfacingpart 5, can avoid when carrying out the test of high voltage impedance to the product that awaits measuring, the electric arc thatmetal probe 43 produced causes the damage to the surface of the product that awaits measuring.

In an alternative embodiment, thedetection assembly 6 comprises: a first detectingmember 61 and a second detectingmember 62. The first detectingpart 61 and the second detectingpart 62 are both electrically connected with themotion control card 1. Thefirst detection part 61 is used for detecting whether themetal probe 43 is in contact with thedocking part 5 or not, and sending a docking success signal to themotion control card 1 when detecting that themetal probe 43 is in contact with thedocking part 5; the second detectingpart 62 is used for detecting whether themetal probe 43 is separated from thedocking part 5, and sending a separation success signal to themotion control card 1 when the separation of themetal probe 43 from thedocking part 5 is detected. Themotion control card 1 is used for controlling the withstandvoltage tester 7 to start to carry out withstand voltage test on a product to be tested after receiving a successful butt joint signal; and after receiving the separation success signal, controlling the conveyingmechanism 2 to drive thetooling plate 3 to move.

By arranging thefirst detection part 61, whether themetal probe 43 is successfully contacted with the buttjoint part 5 or not can be automatically identified in the detection process, and themotion control card 1 is triggered to perform subsequent control flow, so that the automation degree of the detection system is further improved. Through setting up the second and detecting 62, can be at the in-process automaticidentification metal probe 43 that detects whether with the separation of interfacingpart 5 succeed to triggermotion control card 1 and carry out the control flow of sequent, further when improving detecting system's degree of automation, can also prevent that the probe from not succeeding in with interfacingpart 5 separation, take place to scratch at the in-process that frockboard 3 removed and the device onfrock board 3 or thefrock board 3.

Further, the driving member may drive themetal probe 43 to move horizontally or vertically, so that themetal probe 43 moves relative to theinterface unit 5. In this embodiment, thedriver 41 is used for driving thesupport plate 42 to move up and down, and thedriver 41 is a pneumatic slide rail; the first detectingpiece 61 is a magnetic induction switch A, and the second detectingpiece 62 is a magnetic induction switch B; a piston rod of a cylinder in the pneumatic slide rail is fixedly connected with the supportingplate 42; a buffer member is fixedly connected to the lower surface of thesupport plate 42, and in this embodiment, the buffer member is a buffer spring; the bottom of the buffer is fixedly connected with the top end of a vertically placedmetal probe 43. When thetooling plate 3 drives the product to be tested to move to the station to be tested, the buttjoint piece 5 is positioned under themetal probe 43. By providing the buffer member, not only themetal probe 43 can be stably contacted with theinterface element 5, but also themetal probe 43 can be buffered, thereby preventing themetal probe 43 from bending and deforming.

The magnetic induction switch A is fixedly arranged at the top of the pneumatic sliding rail, and the magnetic induction switch B is fixedly arranged at the bottom of the pneumatic sliding rail. When themetal probe 43 moves downwards and abuts against theabutment 5, the magnetic inductive switch a is triggered and sends a successful abutment signal to themotion control card 1. When the pneumatic slide rail drives themetal probe 43 to move upwards through thesupport plate 42 and stop when the pneumatic slide rail reaches a specified position, the magnetic induction switch B is triggered and sends a separation success signal to themotion control card 1.

The automatic high-voltage impedance detection system further comprises: the in-position detecting member 81. The in-place detection member 81 is electrically connected to themotion control card 1. The in-place detection part 81 is used for detecting whether thetooling plate 3 brings the product to be tested to the test station or not, and sending an in-place signal to themotion control card 1 when detecting that thetooling plate 3 moves the product to be tested to the test station, so that themotion control card 1 tests the product to be tested. In this embodiment, the in-place detection piece 81 is a photoelectric sensor, the in-place detection piece 81 is fixedly connected with thesupport 21, and the in-place detection piece 81 is arranged to be free from manual control for testing, so that the automation degree of detection is improved.

The automatic high-voltage impedance detection system further comprises: astopper 82 and atransparent shield 83.

Thestopper 82 is electrically connected to themotion control card 1. The housing of thestopper 82 and thetransparent shield 83 are fixedly coupled to thebracket 21, respectively. Thetransparent shield 83 is located above thetooling plate 3. When thetooling plate 3 moves a product to be tested to a test station, the geometric center of the transparentprotective cover 83 can be overlapped with the geometric center of thetooling plate 3, and the geometric center of the transparentprotective cover 83 can also be positioned on one side of the geometric center of thetooling plate 3.

In the present embodiment, the geometric center of thetransparent shield 83 is located on one side of the geometric center of thetooling plate 3. Themetal probe 43, thedriver 41 and thesupport plate 42 are all located within atransparent shield 83. The transparentprotective cover 83 is made of transparent insulating material. Through thetransparent protection casing 83 of setting value, not only can prevent that operating personnel from touchingmetal probe 43 by mistake and taking place the incident, operating personnel can also observe the butt joint condition ofmetal probe 43 and interfacingpart 5 throughtransparent protection casing 83 simultaneously, and make operating personnel in timechange metal probe 43.

In the process that thedriver 41 drives themetal probe 43 to move downwards to contact with thedocking piece 5, the bottom end of themetal probe 43 passes through the bottom end of the transparentprotective cover 83 to contact with thedocking piece 5.

Specifically, the one end towardssupport 21 in the setting ofinterface element 5 is onfrock board 3 upper surface, and the one end and thesupport 21 fixed connection oftransparent protection casing 83 bottom, when the product that will await measuring is removed to the test station atfrock board 3, another end cover ininterface element 5's toptransparent protection casing 83 bottom. Through limiting the position of the connectingpiece 5, the installation of the protective cover and thedriver 41 is facilitated, the space utilization rate of the detection system is improved, and meanwhile, products to be detected with different sizes can be loaded on thetooling plate 3.

Further, themotion control card 1 is further configured to send a release signal to thestopper 82 when thedetection component 6 detects that themetal probe 43 is separated from theinterface element 5; thestopper 82 is used for limiting the product to be tested at the test station and releasing the limit of the product to be tested when a release signal is received. By arranging thestopper 82, the safety of the detection system can be improved, and a product to be detected is prevented from rushing out of a test station due to inertia when the product to be detected stops at the test station; meanwhile, thestopper 82 is in communication connection with themotion control card 1, and automatic control over thestopper 82 is achieved.

In a third aspect, the present embodiment provides an automatic high voltage impedance detection system, which is configured to execute the above automatic high voltage impedance detection method and is implemented based on the automatic high voltage impedance detection system in the second aspect, where the detection system in this embodiment mainly includes amotion control card 1 for controlling the detection system, and themotion control card 1 completes corresponding control functions through different pins, and the specific details are as follows:

with reference to fig. 1 and fig. 3, a photoelectric sensor is installed on a pipeline of the detection system in this embodiment, and a signal of the photoelectric sensor is connected to a number 8 input signal pin of themotion control card 1. When the television on the production line passes through the photoelectric sensor, the photoelectric sensor is triggered and transmits the in-place signal to themotion control card 1; when the photoelectric sensor signal is not triggered, the No. 8 input signal of themotion control card 1 is at a high level, the corresponding indicator light displays red, the No. 8 input signal of themotion control card 1 is at a low level after the photoelectric sensor signal is triggered, and the corresponding indicator light displays green. Wherein the detection system can read and set the signal status of themotion control card 1, read as an input signal and set as an output signal. The detection system reads the level state of the No. 8 input signal of themotion control card 1, and if the level state is high level, no operation is taken; and if the output signal is low level, setting the No. 20 output signal corresponding to the No. 20 output signal pin of themotion control card 1 to be low level.

And a No. 20 output signal pin of themotion control card 1 is connected with a cylinder in the pneumatic slide rail. When the output signal of No. 20 of the motion control card 1 is at low level, the metal probe 43 moves downwards along with the support plate 42, so that the metal probe 43 is in full contact with the copper sheet on the tooling plate 3, at this time, the support plate 42 or/and the metal probe 43 can trigger the magnetic induction switch a on the cylinder, the magnetic induction switch a is connected with the input signal pin of No. 20 of the motion control card 1, the magnetic induction switch a can input a successful butt joint signal to the motion control card 1, but if the output signal of No. 20 is at low level and the magnetic induction switch a is not triggered within 10 seconds, the butt joint of the metal probe 43 is over time, and the motion control card 1 can store the fault type in a database; when the output signal of No. 20 of the motion control card 1 is at high level, the metal probe 43 rises upwards along with the supporting plate 42; when the metal probe 43 is completely lifted, the supporting plate 42 or/and the metal probe 43 will trigger the magnetic induction switch B, the magnetic induction switch B is connected to the input signal pin No. 21 of the motion control card 1, after the magnetic induction switch B is triggered, the magnetic induction switch B will input a separation success signal to the device, but if the output signal No. 20 is high level and the magnetic induction switch B is not triggered within 10 seconds, it indicates that the separation of the metal probe 43 is overtime, and the motion control card 1 will store the fault type in the database. When themetal probe 43 is in contact with the copper sheet or the equipment line is in poor contact, an electric arc is generated, the current value of the line is changed, the current value is transformed into a frequency domain through Fourier transform, a mutation value is obtained, if the mutation value exceeds an artificially set threshold value, an electric arc fault is generated, and the fault type is stored in a database.

The No. 5 output signal pin of themotion control card 1 is used for controlling the test of the withstandvoltage tester 7. Specifically, when the No. 5 output signal pin of the motion control card 1 is at a high level, the withstand voltage tester 7 does not perform testing; when the No. 5 output signal pin of the motion control card 1 is at a low level, the withstand voltage tester 7 performs testing, the withstand voltage tester 7 outputs high voltage through H/V, the high voltage is loaded on the television through the socket 31 and the power line, if the insulation performance of the television is very good, very small or even no voltage returns to the ground return input end of the withstand voltage tester 7 through an AV or USB line through a copper sheet and a metal probe 43, at the moment, the leakage current is very small, the insulation impedance is very large, the detected value is also within the set parameter range of the withstand voltage tester 7, and at the moment, the test result is PASS; if the insulation performance of the television is very poor, a large voltage returns to the ground return input end of the withstand voltage tester 7 through an AV or USB line, at the moment, the leakage current is large, the insulation resistance is small, and the detected value exceeds the set parameter range of the withstand voltage tester 7, so that the test result is NG.

The No. 6 output signal pin of themotion control card 1 is used for controlling the reset of the withstandvoltage tester 7. Specifically, when the pin of the No. 6 output signal of themotion control card 1 is at a high level, the withstandvoltage tester 7 does not reset; when the No. 6 output signal pin of themotion control card 1 is at a low level, the withstandvoltage tester 7 resets, and clears the alarm after resetting to recover to a state to be tested.

When the test is finished, the detection system reads the test result output by the withstandvoltage tester 7 through themotion control card 1, and uploads the test result to the database of the equipment for storage. Because the test data is stored in the database, the test data can be searched retrospectively. If the detection result is NG, a three-color alarm lamp of the equipment gives an alarm, a red lamp is on, and a buzzer sounds; if the detection result is PASS, a three-color alarm lamp of the equipment does not give an alarm, a green lamp is on, and a buzzer does not sound. After the test is finished, the equipment resets the withstandvoltage tester 7 through themotion control card 1. Then setting the No. 20 output signal of themotion control card 1 to be high level, and lifting themetal probe 43; and finally, setting the No. 7 output signal of themotion control card 1 to be low level, descending thestopper 82 on the production line, and releasing the television. According to the above description, the above operations are performed every device, thereby realizing the function of automatically detecting the insulation performance of the television by the device.

The detection system comprises the following process flows: the product to be detected flows into a station to be detected along with thetooling plate 3, thetooling plate 3 triggers a photoelectric sensor of a wire body, the detection system reads the No. 8 input signal of themotion control card 1, and if the signal is low level, thetooling plate 3 is in place; if the voltage level is high, the process continues to wait for thetooling plate 3 to be in place. After the product is in place, acquiring machine type information from an SCADA (Supervisory Control And Data Acquisition) system or reading a product bar code by using a code scanning gun, wherein the machine type information, namely the product information, comprises the model of the product, the code of the product And the like; inputting the read model information into a detection system for discrimination, and directly releasing when the model information is a model which does not need to be tested; when the model information is a model to be tested, the detection system outputs a control signal through themotion control card 1, the No. 20 output signal of themotion control card 1 is set to be a low level, themetal probe 43 connected to the cylinder moves downwards along with thesupport plate 42, themetal probe 43 is made to be in full contact with the copper sheet on thetooling plate 3, the magnetic induction switch A on the cylinder is triggered at the moment, the magnetic induction switch A is connected with the No. 20 input signal pin of themotion control card 1, and a successful butt joint signal is input to themotion control card 1. The detection system obtains a successful butt joint signal by reading the No. 20 input signal of themotion control card 1, and then controls a remote control port of a withstandvoltage tester 7 to test by setting the No. 5 output signal of themotion control card 1. After the test is finished, the withstandvoltage tester 7 transmits the test result to themotion control card 1 through the remote control port, a PASS test result signal of the withstandvoltage tester 7 is connected with anumber 31 input signal of themotion control card 1, an NG test result signal of the withstandvoltage tester 7 is connected with a number 32 input signal of themotion control card 1, and the detection system can obtain a specific test result by reading level values of pins of thenumber 31 input signal and the number 32 input signal of themotion control card 1. In this embodiment, if thepin 31 of themotion control card 1 is at a low level and the pin 32 of themotion control card 1 is at a high level, the test result is PASS; if thepin 31 of themotion control card 1 is at high level and the pin 32 of themotion control card 1 is at low level, the test result is NG. The detection system reads the product model, the product code and the test time for testing the product to be tested by the detection system, and correspondingly stores the test result, the fault type and the product model in a database of the equipment. If the detection result is NG, a three-color alarm lamp of the detection system gives an alarm, a red lamp is on, and a buzzer sounds; if the detection result is PASS, a three-color alarm lamp of the detection system does not give an alarm, a green lamp is on, and a buzzer does not sound. After the detection system obtains the test result, the withstandvoltage tester 7 is reset through themotion control card 1. Then, setting the output signal of No. 20 of themotion control card 1 to be high level, themetal probe 43 on the air cylinder rises upwards along with thesupport plate 42, when themetal probe 43 on the air cylinder rises completely, the magnetic induction switch B on the air cylinder is triggered at the moment, the magnetic induction switch B is connected with the input signal pin No. 21 of themotion control card 1, a separation success signal is input to themotion control card 1, the detection system obtains the separation success signal by reading the input signal No. 21 of themotion control card 1, then setting the output signal No. 7 of themotion control card 1 to be low level, thestopper 82 on the production line descends, thetooling plate 3 is released, and then the next television is tested continuously according to the steps. Therefore, the function of automatically detecting the insulation performance of the television by the equipment is realized.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

Translated fromChinese

1.一种高压阻抗自动化检测方法，其特征在于，包括：1. a high-voltage impedance automatic detection method, is characterized in that, comprises:控制传送机构带动待测产品向测试工位移动；Control the conveying mechanism to drive the product to be tested to move to the testing station;在待测产品移动至待测工位时，控制驱动器驱动金属探针向对接件的方向移动；When the product to be tested moves to the station to be tested, the control driver drives the metal probe to move in the direction of the docking piece;检测金属探针是否与对接件相接触；Detect whether the metal probe is in contact with the docking piece;在检测到金属探针与对接件相接触时，控制耐压测试仪对待测产品进行耐压测试；When it is detected that the metal probe is in contact with the docking piece, control the withstand voltage tester to perform a withstand voltage test on the product to be tested;在耐压测试结束时，控制驱动器驱动金属探针与对接件分离；At the end of the withstand voltage test, the control driver drives the metal probe to separate from the butt joint;检测金属探针是否与对接件相分离；Detect whether the metal probe is separated from the docking piece;在检测到金属探针与对接件相分离时，控制传送机构将待测产品移出测试工位；When it is detected that the metal probe is separated from the docking piece, the conveying mechanism is controlled to move the product to be tested out of the testing station;其中，对接器件与待测产品电连接，金属探针与耐压测试仪的回地输入端电连接，待测产品的电源接头与耐压测试仪的电压输出端电连接。The docking device is electrically connected to the product to be tested, the metal probe is electrically connected to the ground return input end of the withstand voltage tester, and the power connector of the product to be tested is electrically connected to the voltage output end of the withstand voltage tester.2.根据权利要求1所述高压阻抗自动化检测方法，其特征在于，在所述在待测产品移动至待测工位时，控制驱动器驱动金属探针向对接件的方向移动之前，所述方法包括：2. The high-voltage impedance automatic detection method according to claim 1, wherein, before the control driver drives the metal probe to move in the direction of the docking piece when the product to be tested is moved to the station to be tested, the method include:检测待测产品是否移动至测试工位。Detect whether the product to be tested has moved to the test station.3.根据权利要求2所述高压阻抗自动化检测方法，其特征在于，在所述在待测产品移动至待测工位时，控制驱动器驱动金属探针向对接件的方向移动之前，所述方法还包括：3. The high-voltage impedance automatic detection method according to claim 2, wherein, before the control driver drives the metal probe to move in the direction of the docking piece when the product to be tested moves to the station to be tested, the method Also includes:获取待测产品的产品信息；Obtain product information of the product to be tested;根据产品信息判断是否需要对待测产品进行测试；Determine whether the product to be tested needs to be tested according to the product information;所述在待测产品移动至待测工位时，控制驱动器驱动金属探针向对接件的方向移动，包括：When the product to be tested moves to the station to be tested, the control driver drives the metal probe to move in the direction of the docking piece, including:在确定所述待测产品需要进行测试时，在待测产品移动至待测工位时，控制驱动器驱动金属探针向对接件的方向移动。When it is determined that the product to be tested needs to be tested, when the product to be tested moves to the station to be tested, the control driver drives the metal probe to move in the direction of the docking piece.4.根据权利要求1所述高压阻抗自动化检测方法，其特征在于，在所述控制耐压测试仪对待测产品进行耐压测试之后，所述方法还包括：4. The automatic detection method of high-voltage impedance according to claim 1, characterized in that, after the control withstand voltage tester performs a withstand voltage test on the product to be tested, the method further comprises:获取耐压测试结果；Obtain the withstand voltage test results;将耐压测试结果与待测产品的产品信息相关联，并保存至数据库；Associate the withstand voltage test result with the product information of the product to be tested and save it to the database;根据耐压测试结果判断待测产品的测试是否合格，若不合格，进行报警；Judging whether the test of the product to be tested is qualified according to the result of the withstand voltage test, if not, an alarm will be issued;在所述控制耐压测试仪对待测产品进行耐压测试之后，所述方法还包括：After the controlled withstand voltage tester performs the withstand voltage test on the product to be tested, the method further includes:控制耐压测试仪执行复位操作，以使耐压测试仪恢复到初始状态。Control the withstand voltage tester to perform a reset operation to restore the withstand voltage tester to the initial state.5.根据权利要求1所述高压阻抗自动化检测方法，其特征在于，所述方法还包括：5. The automatic detection method for high voltage impedance according to claim 1, wherein the method further comprises:控制阻挡器移动至阻挡工位，以限定待测产品的位置；Control the blocker to move to the blocking station to limit the position of the product to be tested;在检测到金属探针与对接件相分离时，控制阻挡器移出阻挡工位。When it is detected that the metal probe is separated from the abutting member, the blocking device is controlled to move out of the blocking station.6.根据权利要求1所述高压阻抗自动化检测方法，其特征在于，在所述在待测产品移动至待测工位时，控制驱动器驱动金属探针向对接件的方向移动之后，所述方法还包括：6. The high-voltage impedance automatic detection method according to claim 1, wherein when the product to be tested is moved to the station to be tested, the control driver drives the metal probe to move in the direction of the docking piece, the method Also includes:监测金属探针与对接件接触的对接时长；Monitor the docking time of the metal probe in contact with the docking piece;在对接时长超过第一预定时长，且未检测到金属探针与对接件接触时，生成与待测产品相关联的对接故障信息，并将对接故障信息保存至数据库；When the docking duration exceeds the first predetermined duration and no contact between the metal probe and the docking piece is detected, the docking fault information associated with the product to be tested is generated, and the docking fault information is saved to the database;在所述在耐压测试结束时，控制驱动器驱动金属探针与对接件分离之后，所述方法还包括：After the control driver drives the metal probe to separate from the docking piece at the end of the withstand voltage test, the method further includes:监测金属探针与对接件分离的分离时长；Monitor the separation time of the metal probe and the docking piece;在分离时长超过第二预定时长，且未检测到金属探针与对接件分离时，生成与待测产品相关联的分离故障信息，并将分离故障信息保存至数据库。When the separation duration exceeds the second predetermined duration and the separation of the metal probe from the docking piece is not detected, separation failure information associated with the product to be tested is generated, and the separation failure information is saved to a database.7.一种高压阻抗自动化检测系统，其特征在于，所述系统包括：运动控制卡、传送机构、工装板、驱动器、支撑板、金属探针、对接件、检测组件和耐压测试仪；7. A high-voltage impedance automatic detection system, characterized in that the system comprises: a motion control card, a transmission mechanism, a tooling plate, a driver, a support plate, a metal probe, a docking piece, a detection assembly, and a withstand voltage tester;对接件设置在所述工装板上，所述工装板与所述传送机构连接，所述金属探针与所述支撑板连接，所述驱动器的驱动部与所述支撑板连接，所述驱动件和所述检测组件均与传送机构的支架固定连接，所述金属探针与耐压测试仪的回地输入端电连接，所述运动控制卡分别与传送机构、检测组件、耐压测试仪和驱动器电连接；The docking piece is arranged on the tooling plate, the tooling plate is connected with the conveying mechanism, the metal probe is connected with the supporting plate, the driving part of the driver is connected with the supporting plate, and the driving piece and the detection assembly are fixedly connected to the support of the transmission mechanism, the metal probe is electrically connected to the ground input end of the withstand voltage tester, and the motion control card is respectively connected to the transmission mechanism, detection assembly, withstand voltage tester and The driver is electrically connected;所述耐压测试仪用于对待测产品进行耐压测试；The withstand voltage tester is used for the withstand voltage test of the product to be tested;所述耐压测试仪的电压输出端用于与待测产品的电源接头电连接；The voltage output end of the withstand voltage tester is used for electrical connection with the power connector of the product to be tested;所述工装板用于承载待测产品；The tooling board is used to carry the product to be tested;所述传送机构用于带动工装板移动；The conveying mechanism is used to drive the tooling plate to move;所述对接件用于与待测产品电连接；The docking piece is used for electrical connection with the product to be tested;所述驱动器用于带动金属探针相对所述对接件移动，以使金属探针与对接件接触或分离；The driver is used to drive the metal probe to move relative to the abutting member, so as to make the metal probe contact or separate from the abutting member;所述检测组件用于检测金属探针与对接件的相对位置；The detection assembly is used to detect the relative position of the metal probe and the docking piece;所述运动控制卡用于对传送机构和耐压测试仪的工作状态进行控制，并根据检测组件的检测结果对驱动器的工作状态进行控制。The motion control card is used to control the working state of the transmission mechanism and the withstand voltage tester, and control the working state of the driver according to the detection result of the detection component.8.根据权利要求7所述高压阻抗自动化检测系统，其特征在于，所述检测组件包括：第一检测件和第二检测件；8 . The high-voltage impedance automatic detection system according to claim 7 , wherein the detection component comprises: a first detection part and a second detection part; 8 .所述第一检测件和所述第二检测件均与运动控制卡电连接；Both the first detection piece and the second detection piece are electrically connected with the motion control card;所述第一检测件用于检测金属探针是否与对接件接触，并在检测到金属探针与对接件接触时，向运动控制卡发送对接成功信号；The first detection piece is used to detect whether the metal probe is in contact with the docking piece, and when it is detected that the metal probe is in contact with the docking piece, a docking success signal is sent to the motion control card;所述第二检测件用于检测金属探针是否与对接件分离，并在检测到金属探针与对接件分离时，向运动控制卡发送分离成功信号；The second detection part is used to detect whether the metal probe is separated from the docking part, and sends a separation success signal to the motion control card when detecting that the metal probe is separated from the docking part;所述支撑板固定连接有缓冲件；The support plate is fixedly connected with a buffer;所述金属探针背离对接件的一端与所述缓冲件固定连接。One end of the metal probe facing away from the docking member is fixedly connected to the buffer member.9.根据权利要求7所述高压阻抗自动化检测系统，其特征在于，所述系统还包括：到位检测件；9 . The high-voltage impedance automatic detection system according to claim 7 , wherein the system further comprises: an in-position detection member; 10 .所述到位检测件与所述运动控制卡电连接；the in-position detection piece is electrically connected with the motion control card;所述到位检测件用于检测工装板是否将待测产品带至测试工位，并在检测到工装板将待测产品移动至测试工位时，发送到位信号至运动控制卡，以使运动控制卡对待测产品进行测试。The in-position detector is used to detect whether the tooling board brings the product to be tested to the testing station, and when it is detected that the tooling board moves the product to be tested to the testing station, an in-position signal is sent to the motion control card, so that the motion control card to test the product under test.10.根据权利要求7所述高压阻抗自动化检测系统，其特征在于，所述系统还包括：阻挡器和透明防护罩；10. The high-voltage impedance automatic detection system according to claim 7, wherein the system further comprises: a stopper and a transparent protective cover;所述阻挡器与所述运动控制卡电连接；the blocker is electrically connected to the motion control card;所述运动控制卡还用于在检测组件检测到金属探针与对接件接分离时，向阻挡器发出放行信号；The motion control card is also used to send a release signal to the blocker when the detection component detects that the metal probe is connected and separated from the docking piece;所述阻挡器用于将待测产品限定在测试工位，并在接收放行信号时，解除对待测产品的限位；The stopper is used to limit the product to be tested in the test station, and when receiving the release signal, release the limit of the product to be tested;所述透明防护罩固定设定在所述金属探针的外侧。The transparent protective cover is fixedly set on the outer side of the metal probe.

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