CN113347412A - Multimode detection device for converting DP (digital processing) to HDMI (high-definition multimedia interface) chip - Google Patents
Multimode detection device for converting DP (digital processing) to HDMI (high-definition multimedia interface) chipDownload PDFInfo
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- CN113347412A CN113347412ACN202110622612.4ACN202110622612ACN113347412ACN 113347412 ACN113347412 ACN 113347412ACN 202110622612 ACN202110622612 ACN 202110622612ACN 113347412 ACN113347412 ACN 113347412A
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- 238000009658destructive testingMethods0.000abstractdescription3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
Description
Technical Field
The invention relates to the technical field of chip detection, in particular to a multi-mode detection device for converting DP into HDMI chips.
Background
The USBType-C interface is widely used for transmitting audio and video signals between electronic equipment, for example, a computer sends audio and video data to intelligent equipment for display through the USBType-C interface.
The USBType-C interface mainly transmits audio and video data through a DP (display Port) communication protocol, but a main control chip SoC of the intelligent display device does not directly support the DP communication protocol generally, so that in the intelligent display device, after receiving a DP signal through the USBType-C interface, the DP signal is converted into an HDMI signal through a DP-to-HDMI chip, then the converted HDMI signal is sent to the main control chip, and the main control chip completes decoding of the HDMI signal and sends the HDMI signal to a display screen for displaying.
According to the above, the conventional technology is too simple for the DP-to-HDMI chip detection mode, and although some conventional detections can be realized, the detection after aging or strong electromagnetic influence cannot be performed, so that the operation effect of the chip in a special severe scene cannot be further mastered by a worker. Therefore, in view of the above drawbacks, it is necessary to design a multi-mode detection device for converting DP into HDMI chip.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a multi-mode detection device for converting DP to HDMI chips is provided to solve the problems in the background art.
In order to solve the technical problems, the technical scheme of the invention is as follows: a multi-mode detection device for converting DP to HDMI chips comprises a platform, a first pneumatic push rod, a shielding protective cover, an ultraviolet aging irradiator, an electromagnetic pulser, a support frame, a second pneumatic push rod, a video input detection module, a video output detection module, an audio input detection module, an audio output detection module and an electrical detection module, wherein the first pneumatic push rod is fixedly arranged at the middle end inside the platform, the first pneumatic push rod is connected with the platform through a bolt, the shielding protective cover is fixedly arranged at the top of the platform, the shielding protective cover is connected with the platform through a bolt, the ultraviolet aging irradiator is fixedly arranged at the top end inside the shielding protective cover, the ultraviolet aging irradiator is connected with the shielding protective cover through a bolt, the electromagnetic pulser is fixedly arranged at the left side and the right side inside the shielding protective cover, the electromagnetic pulser is connected with the shielding protective cover through a bolt, the support frame is fixedly arranged at the rear end of the top of the shielding protective cover, the support frame is connected with the shielding protective cover through a bolt, the second pneumatic push rod is fixedly arranged at the upper end in the support frame, the second pneumatic push rod is connected with the support frame through a bolt, the video input detection module is fixedly arranged at the rear end of the inner wall of the support frame, the video input detection module is connected with the support frame through a bolt, the video output detection module is fixedly arranged at the rear end of the inner wall of the support frame, the video output detection module is connected with the support frame through a bolt, the audio input detection module is fixedly arranged at the rear end of the inner wall of the support frame, the audio input detection module is connected with the support frame through a bolt, the audio output detection module is fixedly arranged at the rear end of the inner wall of the support frame, the audio output detection module is connected with the support frame through a bolt, and the electrical detection module is fixedly arranged at the rear end of the inner wall of the support frame, the electrical property detection module is connected with the support frame through bolts.
Furthermore, a placing frame is fixedly arranged at the top of the first pneumatic push rod and connected with the first pneumatic push rod through bolts, and chip clamping grooves are formed in the placing frame and are grooves.
Further, the inside middle-end of shielding protection casing still be equipped with the clearance hole, the clearance hole be the rectangle through-hole, shielding protection casing front end still be equipped with operation window, operation window be the through-hole, shielding protection casing top left side still set firmly the PLC controller, the PLC controller adopt bolted connection with the shielding protection casing, just the PLC controller adopt the signal of telecommunication line connection with ultraviolet ageing irradiator, electromagnetic pulse ware, video input detection module, video output detection module, audio input detection module, audio output detection module and electrical property detection module respectively.
Furthermore, the lower end of the inner wall of the support frame is fixedly provided with a first electrical interface, the first electrical interface is connected with the support frame through bolts, and the first electrical interface is respectively connected with the video input detection module, the video output detection module, the audio input detection module, the audio output detection module and the electrical detection module through electrical signal lines.
Further, the port of second pneumatic push rod bottom still set firmly the regulation and control board, regulation and control board and second pneumatic push rod adopt bolted connection, regulation and control board bottom still set firmly the chip interface, chip interface and regulation and control board adopt bolted connection, regulation and control board rear end still set firmly the second electrical property interface, second electrical property interface and regulation and control board adopt bolted connection, just second electrical property interface and chip interface adopt the signal of telecommunication line connection.
Compared with the prior art, this multimode detection device of DP commentaries on classics HDMI chip has following advantage:
1. firstly, the ultraviolet aging irradiator and the electromagnetic pulser can be used for carrying out ultraviolet aging and electromagnetic pulse interference tests in advance before the chips are detected.
2. And secondly, through the mutual matching effect of the video input detection module, the video output detection module, the audio input detection module, the audio output detection module and the electrical property detection module, the detection of multiple modes of converting the DP into the video, the audio and the electrical property of the HDMI chip can be realized.
3. Finally, ultraviolet aging or electromagnetic pulse interference can be carried out on the chip in advance according to different detection project requirements, then corresponding video, audio and electrical detection is carried out, namely, through early destructive testing, working personnel can be facilitated to master and know the running states of the chip in different severe scenes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of a multi-mode detection device with DP to HDMI chip;
FIG. 2 is a top view of a multi-mode detection device with DP converted to HDMI chip;
FIG. 3 is a cross-sectional view of the multi-mode detection device with DP converted to HDMI chip;
FIG. 4 is a cross-sectional view of the multi-mode detection device with DP converted to HDMI chip in the direction B;
FIG. 5 is a diagram of a multi-mode detection device for converting DP to HDMI chipSide view of the device；
FIG. 6 is a diagram of a multi-mode detection device for converting DP to HDMI chipA perspective view of fig. 1;
fig. 7 is a perspective view of a multi-mode detection device of a DP to HDMI chip 2.
The device comprises aplatform 1, a first pneumatic push rod 2, a shieldingprotective cover 3, an ultraviolet aging irradiator 4, anelectromagnetic pulser 5, asupport frame 6, a secondpneumatic push rod 7, a video input detection module 8, a videooutput detection module 9, an audioinput detection module 10, an audiooutput detection module 11, an electricalproperty detection module 12, aplacement frame 201, achip clamping groove 202, aclearance hole 301, anoperation window 302, a PLC (programmable logic controller) 303, a firstelectrical interface 601, a regulation andcontrol board 701, achip interface 702 and a secondelectrical interface 703.
The following detailed description will be further described in conjunction with the above-identified drawings.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments, however, it will be apparent to one skilled in the art that the described embodiments may be practiced without some or all of these specific details, and in other cases well-known process steps have not been described in detail.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, a multi-mode detection device for converting DP into HDMI chip includes aplatform 1, a first pneumatic push rod 2, ashielding shield 3, an ultraviolet aging irradiator 4, anelectromagnetic pulser 5, asupport frame 6, a secondpneumatic push rod 7, a video input detection module 8, a videooutput detection module 9, an audioinput detection module 10, an audiooutput detection module 11, and anelectrical detection module 12, wherein the first pneumatic push rod 2 is fixed at the middle end inside theplatform 1, the first pneumatic push rod 2 is connected with theplatform 1 by bolts, theshielding shield 3 is fixed at the top of theplatform 1, theshielding shield 3 is connected with theplatform 1 by bolts, the ultraviolet aging irradiator 4 is fixed at the top end inside theshielding shield 3, the ultraviolet aging irradiator 4 is connected with theshielding shield 3 by bolts, theelectromagnetic pulser 5 sets firmly in the inside left and right sides ofshielding protection casing 3,electromagnetic pulser 5 andshielding protection casing 3 adopt bolted connection,support frame 6 set firmly inshielding protection casing 3 top rear end,support frame 6 andshielding protection casing 3 adopt bolted connection, secondpneumatic push rod 7 set firmly in the inside upper end ofsupport frame 6, secondpneumatic push rod 7 andsupport frame 6 adopt bolted connection, video input detection module 8 set firmly insupport frame 6 inner wall rear end, video input detection module 8 andsupport frame 6 adopt bolted connection, videooutput detection module 9 set firmly insupport frame 6 inner wall rear end, videooutput detection module 9 andsupport frame 6 adopt bolted connection, audioinput detection module 10 set firmly insupport frame 6 inner wall rear end, audioinput detection module 10 andsupport frame 6 adopt bolted connection, the audiooutput detection module 11 is fixedly arranged at the rear end of the inner wall of thesupport frame 6, the audiooutput detection module 10 is connected with thesupport frame 6 through bolts, the electricalproperty detection module 12 is fixedly arranged at the rear end of the inner wall of thesupport frame 6, and the electricalproperty detection module 12 is connected with thesupport frame 6 through bolts;
it should be noted that the multi-mode detection device for converting the DP into the HDMI chip has the following functions;
A. theultraviolet aging irradiator 5 in the shieldingprotective cover 3 can carry out ultraviolet aging test on the DP-HDMI chip below;
B. theelectromagnetic pulsers 5 on the two sides in the shieldingprotective cover 3 can carry out electromagnetic pulse interference influence test on the DP-to-HDMI chip, and the influence of electromagnetic pulses on top electrical equipment is effectively reduced under the action of the shieldingprotective cover 3;
C. the first pneumatic push rod 2 can drive the DP to convert the HDMI chip to move upwards to the top of the shieldingprotective cover 3, and the secondpneumatic push rod 3 can descend, so that the DP to convert the HDMI chip to be in butt joint with the video input detection module 8, the videooutput detection module 9, the audioinput detection module 10, the audiooutput detection module 11 and the electricalproperty detection module 12 respectively, the video transmission state of the DP to convert the HDMI chip is favorably carried out by a subsequent worker through the video input detection module 8 and the videooutput detection module 9, the audio transmission state of the DP to convert the HDMI chip is carried out through the audioinput detection module 10 and the audiooutput detection module 11, and the electricalproperty detection module 12 is used for carrying out electrical property detection on the resistance and the voltage of the DP to convert the HDMI chip;
D. before the DP-HDMI chip is detected, ultraviolet aging or electromagnetic pulse interference can be performed on the chip in advance according to different detection project requirements, and then corresponding video, audio and electrical detection is performed, namely, through early destructive testing, working personnel can also be facilitated to master and know the running states of the chip in different severe scenes;
a placingframe 201 is fixedly arranged at the top of the first pneumatic push rod 2, the placingframe 201 is connected with the first pneumatic push rod 2 through bolts, achip clamping groove 202 is further arranged in the placingframe 201, and thechip clamping groove 202 is a groove;
it should be noted that the placingframe 201 can place the DP-HDMI chip and clamp the DP-HDMI chip by means of thechip clamping groove 202, so that the firmness is improved, and meanwhile, the placingframe 201 can be driven by the first pneumatic push rod 2 to lift, so as to be beneficial to lifting to the top surface of theclearance hole 301, be beneficial to subsequent insertion and contact with thechip interface 702, and be convenient for subsequent detection;
the middle end in theshielding protection cover 3 is also provided with aclearance hole 301, theclearance hole 301 is a rectangular through hole, the front end of theshielding protection cover 3 is also provided with anoperation window 302, theoperation window 302 is a through hole, the left side of the top of theshielding protection cover 3 is also fixedly provided with aPLC 303, thePLC 303 is connected with theshielding protection cover 3 through bolts, and thePLC 303 is respectively connected with the ultraviolet aging irradiator 4, theelectromagnetic pulser 5, the video input detection module 8, the videooutput detection module 9, the audioinput detection module 10, the audiooutput detection module 11 and the electricalproperty detection module 12 through electrical signal lines;
it should be noted that theclearance hole 301 can not affect the vertical lifting of the regulation andcontrol board 701 driven by the first pneumatic push rod 2 and the secondpneumatic push rod 7, theoperation window 302 can facilitate a worker to pick and place a DP-to-HDMI chip, thePLC controller 303 sets parameters in advance, and can respectively control the ultraviolet aging irradiator 4, theelectromagnetic pulser 5, the video input detection module 8, the videooutput detection module 9, the audioinput detection module 10, the audiooutput detection module 11 and theelectrical detection module 12, so that the operation convenience is improved;
the lower end of the inner wall of thesupport frame 6 is fixedly provided with a firstelectrical interface 601, the firstelectrical interface 601 is connected with thesupport frame 6 by bolts, and the firstelectrical interface 601 is respectively connected with the video input detection module 8, the videooutput detection module 9, the audioinput detection module 10, the audiooutput detection module 11 and theelectrical detection module 12 by electrical signal lines;
it should be noted that the firstelectrical interface 601 can be plugged with the secondelectrical interface 703, which is beneficial to respectively perform telecommunication connection between the DP-to-HDMI chip and the video input detection module 8, the videooutput detection module 9, the audioinput detection module 10, the audiooutput detection module 11 and theelectrical detection module 12, thereby facilitating subsequent detection;
a regulation andcontrol plate 701 is fixedly arranged at a bottom port of the secondpneumatic push rod 7, the regulation andcontrol plate 701 is connected with the secondpneumatic push rod 7 through a bolt, achip interface 702 is fixedly arranged at the bottom of the regulation andcontrol plate 701, thechip interface 702 is connected with the regulation andcontrol plate 701 through a bolt, a secondelectrical interface 703 is fixedly arranged at the rear end of the regulation andcontrol plate 701, the secondelectrical interface 703 is connected with the regulation andcontrol plate 701 through a bolt, and the secondelectrical interface 703 is connected with thechip interface 702 through an electric signal line;
it should be noted that thecontrol board 701 can be driven by the secondpneumatic push rod 7 to go up and down, not only can drive thechip interface 702 to be inserted downwards with the DP switch HDMI chip on the placingrack 201, so as to facilitate subsequent detection, but also can seal theclearance hole 301, so as to effectively avoid the problem that electromagnetic pulses affect the electrical equipment at the top of the shielding and protectingcover 3, the secondelectrical interface 703 and thechip interface 702 are connected by an electrical signal line, when thecontrol board 701 is driven downwards to contact the firstelectrical interface 601, so as to realize that the DP switch HDMI chip and the video input detection module 8, the videooutput detection module 9, the audioinput detection module 10, the electrical connection of the audiooutput detection module 11 and theelectrical detection module 12, and facilitate subsequent corresponding detection purposes.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A multi-mode detection device for converting DP to HDMI chip is characterized by comprising a platform, a first pneumatic push rod, a shielding protective cover, an ultraviolet aging irradiator, an electromagnetic pulser, a support frame, a second pneumatic push rod, a video input detection module, a video output detection module, an audio input detection module, an audio output detection module and an electrical detection module, wherein the first pneumatic push rod is fixedly arranged at the middle end inside the platform, the shielding protective cover is fixedly arranged at the top of the platform, the ultraviolet aging irradiator is fixedly arranged at the top end inside the shielding protective cover, the electromagnetic pulser is fixedly arranged at the left side and the right side inside the shielding protective cover, the support frame is fixedly arranged at the rear end of the top of the shielding protective cover, the second pneumatic push rod is fixedly arranged at the upper end inside the support frame, the video input detection module is fixedly arranged at the rear end of the inner wall of the support frame, and the video output detection module is fixedly arranged at the rear end of the inner wall of the support frame, the audio input detection module is fixedly arranged at the rear end of the inner wall of the support frame, the audio output detection module is fixedly arranged at the rear end of the inner wall of the support frame, and the electrical property detection module is fixedly arranged at the rear end of the inner wall of the support frame.
2. The device for detecting the multiple modes of the DP-HDMI chip according to claim 1, wherein a placing rack is further fixedly arranged on the top of the first pneumatic push rod, and a chip clamping groove is further arranged inside the placing rack.
3. The device as claimed in claim 1, wherein a clearance hole is further formed in the middle end of the inside of the shielding cover, an operation window is further formed in the front end of the shielding cover, a PLC controller is further fixedly arranged on the left side of the top of the shielding cover, and the PLC controller is connected with the ultraviolet aging irradiator, the electromagnetic pulser, the video input detection module, the video output detection module, the audio input detection module, the audio output detection module and the electrical detection module through electrical signal lines.
4. The device as claimed in claim 1, wherein a first electrical interface is further fixed to a lower end of the inner wall of the supporting frame, and the first electrical interface is connected to the video input detection module, the video output detection module, the audio input detection module, the audio output detection module and the electrical detection module via electrical signal lines.
5. The device as claimed in claim 1, wherein a control board is further fixed to a bottom port of the second pneumatic rod, a chip interface is further fixed to a bottom of the control board, a second electrical interface is further fixed to a rear end of the control board, and the second electrical interface is connected to the chip interface through an electrical signal line.
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| CN202110622612.4ACN113347412B (en) | 2021-06-04 | 2021-06-04 | Multimode detection device for converting DP (digital processing) to HDMI (high-definition multimedia interface) chip |
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| CN202110622612.4ACN113347412B (en) | 2021-06-04 | 2021-06-04 | Multimode detection device for converting DP (digital processing) to HDMI (high-definition multimedia interface) chip |
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Cited By (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113985A (en)* | 2021-12-02 | 2022-03-01 | 江苏集萃智能集成电路设计技术研究所有限公司 | A chip detection device and method |
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