CN112748681A - Motor control system and lift table based on power line carrier communication - Google Patents
Motor control system and lift table based on power line carrier communicationDownload PDFInfo
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- CN112748681A CN112748681ACN202011345903.5ACN202011345903ACN112748681ACN 112748681 ACN112748681 ACN 112748681ACN 202011345903 ACN202011345903 ACN 202011345903ACN 112748681 ACN112748681 ACN 112748681A
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- 230000008878couplingEffects0.000claimsabstractdescription13
- 238000010168coupling processMethods0.000claimsabstractdescription13
- 238000005859coupling reactionMethods0.000claimsabstractdescription13
- 239000003990capacitorSubstances0.000claimsdescription23
- 230000007935neutral effectEffects0.000claimsdescription6
- 230000007274generation of a signal involved in cell-cell signalingEffects0.000claimsdescription4
- 230000009286beneficial effectEffects0.000abstractdescription2
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- 230000002159abnormal effectEffects0.000description1
- 238000007792additionMethods0.000description1
- 238000013461designMethods0.000description1
- 238000012423maintenanceMethods0.000description1
- 229940127554medical productDrugs0.000description1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Technical Field
The invention relates to the field of motor control, in particular to a motor control system based on power line carrier communication and a lifting table.
Background
The linear push rod driving controller used at present is widely used in the fields of household electrical appliances, medical products and the like.
At present, the existing equipment product technology, if a small-sized internet of things communication connection mode is needed, is used for setting wireless communication technical schemes such as Wifi, bluetooth, RF, and the like …, when multiple wireless devices are started simultaneously, the possibility of signal abnormality and communication strength is possibly caused, and the product stability and the product operability function are not good.
Disclosure of Invention
In order to solve the problems, the invention provides a motor control system based on power line carrier communication and a lifting table.
Motor control system based on power line carrier communication includes:
the controller is used for receiving the first control signal and outputting a corresponding control instruction according to the first control signal;
the PLC CCO terminal is used for outputting a corresponding power carrier waveform through a power line according to a control instruction;
a coupling circuit for obtaining a power carrier waveform from a power line;
and the PLC STA terminal is used for receiving the power carrier waveform and analyzing to obtain a second control signal, and the second control signal is used for controlling the motor to work.
Preferably, different control instructions correspond to different power carrier waveforms, and the PLC CCO terminal matches and outputs the corresponding power carrier waveforms according to the control instructions.
Preferably, the coupling circuit comprises a coupler T1 with one side connected with the power line and the other side connected with the PLC STA terminal.
Preferably, the coupling circuit further comprises a filter capacitor C1 having one end connected to the coupler and the other end connected to the power line.
Preferably, the input end of the PLC CCO terminal is connected to the power line through an isolator.
Preferably, the isolator includes electric capacity C2, C3, inductance L1, L2 and resistance R1, the live wire L and the zero line N of power line are connected respectively to electric capacity C2's both ends, electric capacity C2 is connected at live wire L and one end of power line to inductance L1 series connection, other end connecting resistance R1, electric capacity C2 is connected at live wire L and one end of power line to inductance L2 series connection, and other end connecting resistance R1, live wire L and zero line N of power line are connected respectively to electric capacity R1's both ends, electric capacity C3 is parallelly connected with resistance R1.
Preferably, the isolator still includes electric capacity C4, C5, C6 and inductance L3, L4, live wire L is connected to electric capacity C4 one end, and common ground is connected to the other end, electric capacity C5 one end is connected zero line N, and common ground is connected to the other end, electric capacity C4 is connected at live wire L and one end of power line to inductance L3 series connection, and electric capacity C6 is connected to the other end, electric capacity C4 is connected at zero line N and one end of power line to inductance L4 series connection, and electric capacity C6 is connected to the other end.
Preferably, the controller further comprises a signal generation module connected with the controller and used for sending the first control signal.
Preferably, the intelligent terminal is in communication connection with the controller and used for sending the first control signal.
A lifting table comprises a motor and a motor control system connected with the motor and based on power line carrier communication.
The invention has the beneficial effects that:
1. the motor is controlled by adopting a power carrier communication mode, so that signal interference is avoided, and the connection is simple;
2. a plurality of motors can be controlled to work simultaneously through one PLC CCO terminal, so that the working efficiency is improved;
3. the coupling circuit filters signals through a filter capacitor to avoid signal interference;
4, the input end of the PLC CCO terminal is connected with a power line through an isolator, so that signal interference is avoided;
5. and sending a first control signal through the intelligent terminal to realize remote control.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a motor control system based on power line carrier communication according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a coupling circuit in a motor control system based on power line carrier communication according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a networking structure of a PLC CCO terminal and a PLC STA terminal in a motor control system based on power line carrier communication according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a circuit breaker in a motor control system based on power line carrier communication according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a circuit breaker in a motor control system based on power line carrier communication according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a signal generation module in a motor control system based on power line carrier communication according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an intelligent terminal in a motor control system based on power line carrier communication according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be further described below with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example one
An embodiment of the present invention provides a motor control system based on power line carrier communication, as shown in fig. 1, including acontroller 1 for receiving a first control signal and outputting a corresponding control instruction according to the first control signal; thePLC CCO terminal 2 is used for outputting a corresponding power carrier waveform through a power line according to a control instruction; acoupling circuit 3 for acquiring a power carrier waveform from a power line; and thePLC STA terminal 4 is used for receiving the power carrier waveform and analyzing to obtain a second control signal, and the second control signal is used for controlling themotor 5 to work.
The current communication technology trend mainly focuses on wireless communication, and the wireless communication shielding problem is caused by the design structure. In order to solve the problem of wireless communication signal abnormality, the problem that the signal abnormality affects transmission can be solved by the power carrier technology, system deployment and operation and maintenance efficiency are improved, and the method can be applied to the fields of household control application, industrial control application and the like.
And different control instructions correspond to different power carrier waveforms, and the PLC CCO terminal matches and outputs the corresponding power carrier waveforms according to the control instructions. The control instructions comprise control instructions for controlling the motor to ascend, control instructions for controlling the motor to descend and the like, different control instructions correspond to different power carrier waveforms, and the corresponding power carrier waveforms are selected according to actual control requirements.
As shown in fig. 2, thecoupling circuit 3 includes a coupler T1 having one side connected to the power line and the other side connected to the PLC STA terminal, a filter capacitor C1 having one end connected to the coupler and the other end connected to the power line, and diodes D1 and D2 connected to the output end of the coupler.
In this embodiment, acquire the power carrier wave form from the power line through the mode of coupling, need not be connected with the power line through wired connection's mode, connect the connection safer, need not reform transform original power line. The coupling circuit comprises a filter capacitor C1, so that interference signals can be filtered, and the problem of communication noise abnormity is solved.
The networking structure of PLC CCO terminal and PLC STA terminal is as shown in figure 3, when needs are controlled a plurality of motors simultaneously, then every motor all needs a PLC STA terminal that corresponds, and each PLC STA terminal all is connected with the power line to realized can controlling a plurality of motor work simultaneously through a PLC CCO terminal.
In one embodiment, as shown in fig. 4, the input of thePLC STA terminal 2 is connected to the power line through an isolator 6. The signal interference caused by the input of the power line is not avoided, and the signal is filtered by the isolator.
As shown in fig. 5, the isolator 6 includes capacitors C2, C3, C4, C5, C6, inductors L1, L2, L3, L4, and a resistor R1, wherein both ends of the capacitor C2 are connected to the live line L and the neutral line N of the power line, respectively, the inductor L1 is connected in series to the live line L of the power line and has one end connected to the capacitor C2, the other end is connected to the resistor R1, the inductor L2 is connected in series to the live line L of the power line and has one end connected to the capacitor C2, the other end connected to the resistor R1, both ends of the resistor R1 are connected to the live line L and the neutral line N of the power line, respectively, and the capacitor C3 is connected in. Live wire L is connected to electric capacity C4 one end, and common ground is connected to the other end, zero line N is connected to electric capacity C5 one end, and common ground is connected to the other end, electric capacity C4 is connected at live wire L and the one end of power line to inductance L3 series connection, and electric capacity C6 is connected to the other end, electric capacity C4 is connected at zero line N and the one end of power line to inductance L4 series connection, and electric capacity C6 is connected to the other end.
The capacitors C2, C3, C4, C5, C6, the inductors L1, L2, L3, L4 and the resistor R1 form a multi-channel LC filter circuit and an RC filter circuit, and external power carrier signals are filtered.
In one embodiment, as shown in fig. 6, the system further comprises a signal generatingmodule 7 connected to thecontroller 1 for transmitting the first control signal.
The signal generation module can be realized by key pressing, touch, 3D gestures, voice and the like. For example, clicking a screen to select an operation object; realizing non-contact object control through gestures; and (5) voice microphone input.
In one embodiment, as shown in fig. 7, the system further includes anintelligent terminal 8 communicatively connected to thecontroller 1 for transmitting the first control signal.
A user can carry out remote control through an APP of the intelligent terminal, for example, a home mode layout is arranged on a home road in advance; if the window is forgotten to be closed in the case of rain, typhoon and the like …, the remote control can be carried out for operation.
Example two
The second embodiment of the invention provides a lifting table, which comprises a motor and a motor control system connected with the motor and based on power line carrier communication.
In one embodiment, the motor control system based on power carrier communication can be installed in a shell together with the original control system of the motor.
In an embodiment, the motor control system based on power carrier communication can be connected with the original control system of the motor in a plug-in manner.
According to the first embodiment, the lifting table provided by the invention realizes lifting control on the lifting table through a power line carrier technology, and solves the problem that transmission is influenced by abnormal wireless communication signals.
Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. Motor control system based on power line carrier communication, its characterized in that includes:
the controller is used for receiving the first control signal and outputting a corresponding control instruction according to the first control signal;
the PLC CCO terminal is used for outputting a corresponding power carrier waveform through a power line according to a control instruction;
a coupling circuit for obtaining a power carrier waveform from a power line;
and the PLC STA terminal is used for receiving the power carrier waveform and analyzing to obtain a second control signal, and the second control signal is used for controlling the motor to work.
2. The power carrier communication-based motor control system according to claim 1, wherein different control commands correspond to different power carrier waveforms, and the PLC CCO terminal matches and outputs the corresponding power carrier waveforms according to the control commands.
3. The power carrier communication-based motor control system according to claim 1, wherein the coupling circuit comprises a coupler T1 having one side connected to the power line and the other side connected to a PLC STA terminal.
4. The power-carrier-communication-based motor control system as claimed in claim 3, wherein the coupling circuit further comprises a filter capacitor C1 having one end connected to the coupler and the other end connected to the power line.
5. The motor control system based on power carrier communication of any one of claims 1 to 4, wherein the input end of the PLC CCO terminal is connected with a power line through an isolator.
6. The power carrier communication-based motor control system of claim 5, wherein the isolator comprises capacitors C2, C3, inductors L1, L2 and a resistor R1, wherein two ends of the capacitor C2 are respectively connected with a live line L and a neutral line N of the power line, the inductor L1 is connected in series with the live line L of the power line and has one end connected with the capacitor C2 and the other end connected with the resistor R1, the inductor L2 is connected in series with the live line L of the power line and has one end connected with the capacitor C2 and the other end connected with the resistor R1, two ends of the resistor R1 are respectively connected with the live line L and the neutral line N of the power line, and the capacitor C3 is connected in parallel with the resistor R1.
7. The power-carrier-communication-based motor control system of claim 6, wherein the isolator further comprises capacitors C4, C5, C6 and inductors L3, L4, wherein the capacitor C4 is connected with a live line L at one end and a common ground at the other end, the capacitor C5 is connected with a neutral line N at one end and a common ground at the other end, the inductor L3 is connected with the live line L of the power line in series and is connected with the capacitor C4 at one end, the inductor L3624 is connected with the capacitor C6 at the other end, the inductor L4 is connected with the neutral line N of the power line in series and is connected with the capacitor C4 at one end and is connected with the capacitor C6 at the other end.
8. The motor control system based on power carrier communication of any one of claims 1 to 4, further comprising a signal generation module connected with the controller for sending the first control signal.
9. The motor control system based on power carrier communication of any one of claims 1 to 4, further comprising an intelligent terminal connected with the controller in communication for sending the first control signal.
10. A lifting table, comprising a motor and a motor control system based on power carrier communication according to any one of claims 1 to 9 connected to the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345903.5ACN112748681A (en) | 2020-11-26 | 2020-11-26 | Motor control system and lift table based on power line carrier communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345903.5ACN112748681A (en) | 2020-11-26 | 2020-11-26 | Motor control system and lift table based on power line carrier communication |
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| Publication Number | Publication Date |
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| CN112748681Atrue CN112748681A (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011345903.5APendingCN112748681A (en) | 2020-11-26 | 2020-11-26 | Motor control system and lift table based on power line carrier communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114844529A (en)* | 2022-04-12 | 2022-08-02 | 鼎隆航空科技有限公司 | Power line communication circuit and system based on solid-state power controller |
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| CN102325065A (en)* | 2011-07-14 | 2012-01-18 | 中山爱科数字家庭产业孵化基地有限公司 | A dual-channel digital home control and interaction system and its implementation method |
| CN202444145U (en)* | 2011-10-28 | 2012-09-19 | 中国人民解放军总参谋部第五十五研究所 | Wideband anti-carrier divulgence safety power socket |
| CN102694489A (en)* | 2011-03-23 | 2012-09-26 | 力聚科技股份有限公司 | Motor control system and method and brake device |
| CN103676684A (en)* | 2012-09-15 | 2014-03-26 | 上海澜腾智能科技有限公司 | Power carrier control system of home appliance |
| CN205039815U (en)* | 2015-05-11 | 2016-02-17 | 北京文芯志合科技有限公司 | Separator |
| CN110365107A (en)* | 2018-12-25 | 2019-10-22 | 深圳市联强邦盛实业有限公司 | A kind of distributed terminator monitoring system |
- 2020
- 2020-11-26CNCN202011345903.5Apatent/CN112748681A/enactivePending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2420771Y (en)* | 1999-09-17 | 2001-02-21 | 李浩烈 | Power-line carrier isolator |
| CN102694489A (en)* | 2011-03-23 | 2012-09-26 | 力聚科技股份有限公司 | Motor control system and method and brake device |
| CN102325065A (en)* | 2011-07-14 | 2012-01-18 | 中山爱科数字家庭产业孵化基地有限公司 | A dual-channel digital home control and interaction system and its implementation method |
| CN202444145U (en)* | 2011-10-28 | 2012-09-19 | 中国人民解放军总参谋部第五十五研究所 | Wideband anti-carrier divulgence safety power socket |
| CN103676684A (en)* | 2012-09-15 | 2014-03-26 | 上海澜腾智能科技有限公司 | Power carrier control system of home appliance |
| CN205039815U (en)* | 2015-05-11 | 2016-02-17 | 北京文芯志合科技有限公司 | Separator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114844529A (en)* | 2022-04-12 | 2022-08-02 | 鼎隆航空科技有限公司 | Power line communication circuit and system based on solid-state power controller |
| CN114844529B (en)* | 2022-04-12 | 2024-02-23 | 鼎隆航空科技有限公司 | Power line communication circuit and system based on solid-state power controller |
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