CN112666874B - Control device for multipath electrical equipment - Google Patents
Control device for multipath electrical equipment Download PDFInfo
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- CN112666874B CN112666874B CN202011628966.1A CN202011628966A CN112666874B CN 112666874 B CN112666874 B CN 112666874B CN 202011628966 A CN202011628966 A CN 202011628966A CN 112666874 B CN112666874 B CN 112666874B
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Abstract
The invention provides a multipath electrical equipment control device, which comprises a main control board circuit module, an operation panel circuit module and an output control board circuit module; the main control board circuit module comprises a main control board microprocessor circuit, and a voltage detection and automatic switching sub-module, an output port expansion sub-module, a data storage sub-module and an online operation sub-module which are respectively connected with the main control board microprocessor circuit; the operation panel circuit module comprises an operation panel microprocessor circuit, and a threshold setting sub-module, an operation key expansion sub-module, a programming sub-module, a brightness adjusting sub-module and an alarm silencing sub-module which are respectively connected with the operation panel microprocessor circuit; the output control board circuit module comprises an output control board microprocessor circuit, and a protection circuit sub-module, a system self-checking sub-module and a life-exceeding protection sub-module which are respectively connected with the output control board microprocessor circuit. The multipath electrical equipment control device has the advantages of being capable of realizing automation of management functions and low in manufacturing cost.
Description
Technical Field
The invention relates to the field of protection control devices of electrical equipment, in particular to a control device of multipath electrical equipment.
Background
In various industrial control scenarios, centralized control of multiple electrical devices is often required, and the main technical solutions at present are a purely mechanical switch type controller and a PLC type controller (PLC, full scale Programmable Logic Controller, programmable logic controller). The purely mechanical switch type controller is low in cost, economical and practical, but requires special personnel for guarding and maintenance management in the whole process, cannot realize automatic management, cannot perform rapid diagnosis and timely and effective protection when equipment faults occur, and has great potential safety hazards. The PLC has multiple functions and high intelligent degree, but is high in price, and has high technical level requirements on operators, and the operators can perform operation management only by professionals with a certain skill level.
At present, intelligent control is widely applied in various industrial control fields, but comprehensive breakthrough is required in economy, intelligence, compatibility, reliability, expandability and operation convenience, so that the condition of large-scale popularization in the market can be met.
In view of the foregoing, it is desirable to provide a novel multi-way electrical device control apparatus that solves or at least alleviates the above-mentioned technical drawbacks.
Disclosure of Invention
The invention mainly aims to provide a control device for multi-channel electrical equipment, which aims to solve the technical problems that the control device in the prior art cannot realize automatic management or has high price and high requirements on the technical level of operators.
In order to achieve the above object, the present invention provides a control device for a multi-channel electrical apparatus, comprising:
The main control board circuit module, the operation panel circuit module and the output control board circuit module are respectively connected with the main control board circuit module;
the main control board circuit module comprises a main control board microprocessor circuit, and a voltage detection and automatic switching sub-module, an output port expansion sub-module, a data storage sub-module and an online operation sub-module which are respectively connected with the main control board microprocessor circuit;
The operation panel circuit module comprises an operation panel microprocessor circuit, and a threshold setting sub-module, an operation key expansion sub-module, a programming sub-module, a brightness adjusting sub-module and an alarm silencing sub-module which are respectively connected with the operation panel microprocessor circuit;
The output control board circuit module comprises an output control board microprocessor circuit, and a protection circuit sub-module, a system self-checking sub-module and a life overrun protection sub-module which are respectively connected with the output control board microprocessor circuit.
Optionally, the voltage detection and automatic switching sub-module includes a voltage detection circuit, a main power input end, an auxiliary power input end and an input power switching relay, where the voltage detection circuit is configured to detect voltages of the main power input end and the auxiliary power input end, and when the main power voltage or the auxiliary power voltage exceeds a set range, the input power switching relay will automatically switch or switch off the main input power or the auxiliary input power.
Optionally, the output port expansion sub-module includes an output control port, and a first power output end and a first communication bus are disposed on the output control port, and the output control port can be connected in parallel with a plurality of control board circuit modules.
Optionally, the data storage sub-module includes an external data storage device communication port and an operation panel circuit communication port, the main control board circuit module sends storage data to the outside through the external data storage device communication port, and the main control board circuit module sends data information to the operation panel circuit module through the operation panel circuit communication port; the online operation sub-module comprises an external associated control equipment communication port, and the main control board circuit module is in digital communication with an external control device through the external associated control equipment communication port.
Optionally, the threshold setting submodule includes an output current protection value setting operation key, an expandable operation key, a coding switch and a display screen, and the threshold setting submodule transmits the set parameter to the main control board microprocessor circuit through an operation panel communication port and transmits the parameter to the output control board microprocessor circuit through the main control board microprocessor circuit.
Optionally, the operation key expansion sub-module includes a second power output terminal and a second communication bus, and the operation key expansion sub-module may be connected to a plurality of the expandable operation keys in parallel.
Optionally, the programming sub-module includes the expandable operation key and a programming operation key, and the operation panel circuit module performs programming setting through the expandable operation key and the programming operation key, and stores the set program in an operation panel microprocessor circuit.
Optionally, the brightness adjusting sub-module comprises an LED indicator light brightness adjusting operation key and an LED indicator light, and the alarm silencing sub-module comprises a buzzer and an alarm sound eliminating operation key.
Optionally, the protection circuit sub-module includes an output current and leakage current detection circuit, an output relay and an output fuse, when the output current and leakage current detection circuit detects that an overload, a leakage or an open circuit fault occurs at an output end, the output control board microprocessor circuit drives the output relay to turn off an output power supply, or turns off the output power supply of the output fuse.
Optionally, the lifetime overrun protection sub-module includes an output control board communication port and the output relay, where the output control board microprocessor circuit records the operation lifetime, uploads the operation lifetime to the main control board circuit module through the output control board communication port, and when the accumulated operation time of the device reaches a preset threshold, the output power supply is cut off through the output relay.
In the above technical scheme of the present invention, the multi-channel electrical equipment control device includes: the main control board circuit module, and the operation panel circuit module and the output control board circuit module which are respectively connected with the main control board circuit module; the main control board circuit module comprises a main control board microprocessor circuit, and a voltage detection and automatic switching sub-module, an output port expansion sub-module, a data storage sub-module and an online operation sub-module which are respectively connected with the main control board microprocessor circuit; the operation panel circuit module comprises an operation panel microprocessor circuit, and a threshold setting sub-module, an operation key expansion sub-module, a programming sub-module, a brightness adjusting sub-module and an alarm silencing sub-module which are respectively connected with the operation panel microprocessor circuit; the output control board circuit module comprises an output control board microprocessor circuit, and a protection circuit sub-module, a system self-checking sub-module and a life-exceeding protection sub-module which are respectively connected with the output control board microprocessor circuit. In the scheme, the multipath electrical equipment control device comprises a main control board circuit module, an operation panel circuit module and an output control board circuit module, and the scheme can realize multiple functions through the integration of all the sub-modules, and compared with a purely mechanical switch type controller, the scheme can realize the automation of management; compared with a PLC circuit, the manufacturing cost is lower, and common technicians can operate the PLC circuit. The invention has the advantages of realizing the automation of the management function and low manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a circuit connection structure of a control device of a multi-channel electrical apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a circuit connection structure of a circuit module of a main control board according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a circuit connection structure of an operation panel circuit module according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a circuit connection structure of an output control board circuit module according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a connection structure between a main control board circuit module and a plurality of output control board circuit modules according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of a connection structure of an operation panel circuit module and a plurality of expandable operation keys according to an embodiment of the invention.
Reference numerals illustrate:
1. A main control board circuit module; 11. a main control board microprocessor circuit; 12. a microprocessor power circuit; 13. an operation panel circuit communication port; 14. an external associated control equipment communication port; 15. an external data storage device communication port; 16. an output control port; 161. a first power supply output; 162. a first communication bus; 17. a main power input end; 18. a main way fuse; 19. a voltage detection circuit; 110. an input power switching relay; 111. an auxiliary circuit power supply input end; 112. an auxiliary circuit fuse; 2. an operation panel circuit module; 21. an operation panel microprocessor circuit; 22. an operation panel circuit communication interface; 23. an expandable operation key; 231. a second power supply output terminal; 232. a second communication bus; 24. LED pilot lamp brightness adjustment operation key; 25. operating a life data zero clearing operation key; 26. a system self-checking operation key; 27. eliminating an alarm operation key; 28. a display screen; 29. a code switch; 210. an output current protection value setting operation key; 211. a buzzer; 212. programming an operation key; 213. LED indicator lights; 3. an output control board circuit module; 31. an output control board microprocessor circuit; 32. an output control board communication port; 33. an output current and leakage current detection circuit; 34. an output relay; 35. and outputting a fuse.
The achievement of the object, functional features and advantages of the present invention will be further described with reference to the drawings in connection with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as upper and lower … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
Referring to fig. 1 to 6, the present invention provides a control apparatus for a multi-channel electrical device, comprising: the control panel circuit module 1, the operation panel circuit module 2 and the output control panel circuit module 3 are respectively connected with the control panel circuit module 1;
The main control board circuit module 1 comprises a main control board microprocessor circuit 11, and a voltage detection and automatic switching sub-module, an output port expansion sub-module, a data storage sub-module and an online operation sub-module which are respectively connected with the main control board microprocessor circuit 11;
the operation panel circuit module 2 comprises an operation panel microprocessor circuit 21, and a threshold setting sub-module, an operation key expansion sub-module, a programming sub-module, a brightness adjusting sub-module and an alarm silencing sub-module which are respectively connected with the operation panel microprocessor circuit 21;
the output control board circuit module 3 comprises an output control board microprocessor circuit 31 and a protection circuit sub-module, a system self-checking sub-module and a life overrun protection sub-module which are respectively connected with the output control board microprocessor circuit 31.
In the above embodiment, the multi-channel electrical equipment control device includes the main control board circuit module 1, the operation panel circuit module 2 and the output control board circuit module 3, and this embodiment can implement multiple functions through the integration of each sub-module, and compared with a purely mechanical switch controller, this embodiment can implement automation of management; compared with a PLC circuit, the manufacturing cost is lower, and common technicians can operate the PLC circuit. This embodiment has the advantage of enabling automation of the management functions and low manufacturing costs. The multi-channel electrical equipment control device can also be called a programmable multi-channel electrical equipment control device. The specific structure and the functions that can be realized of the control device of the multi-channel electrical equipment are respectively described in detail below:
Referring to fig. 2, the voltage detection and automatic switching sub-module includes a voltage detection circuit 19, a main power input terminal 17, an auxiliary power input terminal 111, and an input power switching relay 110, where the voltage detection circuit 19 is configured to detect voltages at the main power input terminal 17 and the auxiliary power input terminal 111, and when the main power voltage or the auxiliary power voltage exceeds a set range, the input power switching relay 110 will automatically switch or switch off the main power input or the auxiliary power input, so as to implement a dual-channel input power voltage detection and automatic switching protection function.
Further, referring to fig. 5, the output port expansion sub-module includes an output control port 16, a first power output 161 and a first communication bus 162 are disposed on the output control port 16, and the output control port 16 can be connected in parallel with a plurality of control board circuit modules. The output control port 16 on the main control board circuit module 1 is designed with a first power output end 161 and a first communication bus 162, and can provide power and control communication channels for a plurality of output control circuit modules in a parallel connection mode, so that a user can freely configure the number of the output control circuit modules in a maximum output power range and a maximum communication node range specified by a system, and an output port extensible function is realized. The embodiment provides a technical scheme with the expandable number of output ports, which is more beneficial to flexible configuration of the system.
Further, referring to fig. 2 again, the data storage sub-module includes an external data storage device communication port 15 and an operation panel circuit communication port 13, the main control board circuit module 1 sends storage data to the outside through the external data storage device communication port 15, and the main control board circuit module 1 sends data information to the operation panel circuit module 2 through the operation panel circuit communication port 13; the on-line operation sub-module comprises an external associated control equipment communication port 14, and the main control board circuit module 1 is in digital communication with an external control device through the external associated control equipment communication port 14. The main control board circuit module 1 can communicate with a data storage device (such as a black box) outside the system through an external data storage device communication port 15, so that the function of externally sending system operation data is realized, and the data is stored. When the external data storage device is required to communicate with the main control board circuit module 1, the main control board circuit module 1 can send related data information to the operation panel circuit module 2 through the operation panel circuit communication port 13. In addition, the main control board circuit module 1 carries out digital communication with control devices (such as PC computers and gateway servers) outside the system through an external associated control equipment communication port 14, so that the functions of on-line operation control and remote control can be realized. When the external digital control device communicates with the main control board circuit module 1, the main control board circuit module 1 can send relevant status information to the operation panel circuit module 2 through the operation panel circuit communication port 13. This embodiment realizes the data external storage function and the online operation function.
Further, referring to fig. 3, the threshold setting sub-module includes an output current protection value setting operation key 210, an expandable operation key 23, a coding switch 29 and a display screen 28, and the threshold setting sub-module transmits the set parameters to the main control board microprocessor circuit 11 through the operation panel communication port and transmits the set parameters to the output control board microprocessor circuit 31 through the main control board microprocessor circuit 11. Specifically, the user can set the current protection threshold value of each output port of the multi-path electrical equipment control device according to the present invention by using the operation panel circuit module 2, and set the operation key 210, the expandable operation key 23, the encoding switch 29 and the display screen 28 by using the set output current protection value, and upload relevant parameters to the main control board microprocessor circuit 11 through the operation panel communication port. To realize the programmable setting function of the output overload protection threshold.
Further, referring to fig. 6, the operation key expansion sub-module includes a second power output 231 and a second communication bus 232, and the operation key expansion sub-module can be connected with the plurality of expandable operation keys 23 in parallel. The second power output 231 and the second communication bus 232 may be designed on the operation panel circuit module 2, and may provide power and communication channels to the plurality of expandable operation keys 23 in parallel, so that the user may freely configure the number of expandable operation keys 23 within the maximum communication node range specified by the system, and this embodiment may implement the operation key expandable function.
Further, referring to fig. 3, the programming sub-module includes an expandable operation key 23 and a programming operation key 212, and the operation panel circuit module 2 performs programming setting through the expandable operation key 23 and the programming operation key 212, and stores the set program in the operation panel microprocessor circuit 21. The user can set the programming operation program through the expandable operation key 23 and the programming operation key 212 on the operation panel circuit module 2, and the set operation program is stored in the operation panel microprocessor circuit 21 to realize the programming operation function; when the combination control is needed, the user only needs to click a programming operation key 212 which stores a programming operation program, the operation panel circuit module 2 communicates with the operation panel communication port through the panel circuit communication port, and then the main control panel microprocessor circuit 11 issues a control command to the multi-output control panel circuit module 3 through the output control circuit communication port, so that the convenient operation of the combination control of a plurality of electrical equipment in the system is finally realized.
Further, referring to fig. 3 again, the brightness adjusting sub-module includes an LED indicator light brightness adjusting operation key 24 and an LED indicator light 213, and the alarm silencing sub-module includes a buzzer 211 and an alarm silencing operation key 27. The operation panel microprocessor circuit 21 of the operation panel circuit module 2 is further connected with the LED indicator light brightness adjustment operation key 24, when the user needs to adjust the light emitting brightness of the display screen 28 and the LED indicator light 213, the LED indicator light brightness adjustment operation key 24 is continuously clicked, the operation panel microprocessor circuit 21 will adjust the output voltage of the operation panel microprocessor circuit for driving the display screen 28 and the LED indicator light 213, so that the brightness value of the operation panel microprocessor circuit is circularly changed from small to large, and the brightness adjustment function of the LED indicator light 213 can be realized. And the operation panel circuit module 2 is also provided with a buzzer 211, which is mainly used for providing an audio alarm reminding function for a user when the system is in an abnormal state, and realizing alarm reminding and alarm silencing functions through the design of the scheme.
Further, referring to fig. 4, the protection circuit sub-module includes an output current and leakage current detection circuit 33, an output relay 34, and an output fuse 35, and when the output current and leakage current detection circuit 33 detects that an overload, a leakage, or an open circuit fault occurs at an output end, the output control board microprocessor circuit 31 will drive the output relay 34 to turn off the output power supply, or turn off the output fuse 35 to output the power supply. When the output current and leakage current detection circuit 33 detects that an overload, leakage or open circuit fault occurs at the output end, the output control board microprocessor circuit 31 will drive the output relay 34 to turn off the output power supply for protection, or the output fuse 35 is adopted to turn off the output power supply for protection, so that the output overload protection function can be realized.
Further, referring to fig. 4 again, the lifetime overrun protection sub-module includes an output control board communication port 32 and an output relay 34, the output control board microprocessor circuit 31 records the operation lifetime, and uploads the operation lifetime to the main control board circuit module 1 through the output control board communication port 32, when the accumulated operation time of the device reaches a preset threshold, the output power is cut off through the output relay 34. When each device in the system starts to be electrified, the output control board microprocessor circuit 31 starts to record the operation life, and when the accumulated operation time of the device is close to a preset overrun standard value, the accumulated operation time of the device is uploaded to the main control board circuit module 1 through the output control board communication port 32, so that the warning function of the running life about to overrun is realized. When the accumulated running time of the equipment reaches the preset overrun standard value, the output power supply is cut off through the output relay 34, so that the over-running life protection function is realized.
Further, referring to fig. 3 again, the operation panel microprocessor has integrated therein a data storage circuit for storing and updating relevant operation parameters in real time when the system device is running. When the system is restarted, the operation panel microprocessor circuit 21 sends an operation instruction to the main control board circuit module 1 again according to the latest operation parameters stored in the operation panel microprocessor circuit, so that the system is restored to the working mode before restarting, and the power-off memory function is realized.
Further, referring to fig. 3 again, when the user needs to perform comprehensive diagnosis on the performance of each device in the system, the user can click on the system self-checking operation key 26, and at this time, the operation panel circuit module 2 sends a system performance self-checking instruction to the main control panel circuit module 1 through the operation panel circuit communication interface 22; as shown in fig. 5, after receiving the control instruction, the main control board circuit module 1 forwards the system performance self-checking instruction to the plurality of output control circuit modules through the output control circuit communication ports; as shown in fig. 4, when the output control circuit module enters the working state, the internal output control board microprocessor circuit 31 diagnoses the real-time current value measured by the output current and leakage current detection circuit 33 to determine whether the channel has faults such as open circuit, overload, leakage and the like, and uploads the diagnosed result to the main control board circuit module 1 through the output control board communication port 32, thereby finally completing the system performance self-checking function.
In summary, the following description will be given for the technical scheme of the present invention:
The multi-channel electrical equipment control device comprises a main control board circuit module 1, an operation panel circuit module 2 and an output control board circuit module 3, wherein the main control board circuit module 1 mainly comprises a main control board microprocessor circuit 11, a microprocessor power supply circuit 12, an operation panel circuit communication interface 22, an external associated control equipment communication port 14, an external data storage device communication port 15, an output control port 16, a main circuit power supply input end 17, a main circuit fuse 18, a voltage detection circuit 19, a main/auxiliary input power supply switching relay 110, an auxiliary circuit power supply input end 111 and an auxiliary circuit fuse 112. The operation panel circuit module 2 mainly includes: the operation panel microprocessor circuit 21, the operation panel circuit communication interface 22, the extensible operation key 23, the LED indicator light brightness adjustment operation key 24, the operation life data clear operation key 25, the system self-checking operation key 26, the alarm sound elimination operation key 27, the display screen 28, the coding switch 29, the output current protection value setting operation key 210, the buzzer 211, the programming operation key 212 and the LED indicator light 213. The output control board circuit module 3 mainly includes: an output control board microprocessor circuit 31, an output control board communication port 32, an output current and leakage current detection circuit 33, an output relay 34, and an output fuse 35. The multipath electrical equipment control device can realize the following functions: 1) The dual-channel input power supply voltage detection and automatic switching protection functions; 2) An output overload protection function; 3) Outputting an overload protection threshold programmable setting function; 4) The output port can expand the function; 5) The operation key can expand the function; 6) Programming an operation function; 7) A power-off memory function; 8) A system performance self-checking function; 9) An overrun protection function for the service life of equipment; 10A function of zero clearing the service life data; 11 A brightness adjusting function of the LED indicator 213; 12 Alarm reminding and alarm silencing functions; 13 A) an operation data external storage function; 14 An online operation function.
Compared with the traditional schemes such as a purely mechanical switch type controller, a PLC type controller and the like, the application achieves the comprehensive leading level in the aspects of economy, intelligent degree, scene application compatibility and expandability, particularly increases the functions of input power management, load equipment aging monitoring, system comprehensive performance automatic diagnosis and the like, greatly improves the reliability of system equipment and greatly reduces comprehensive potential safety hazards.
The foregoing is only an optional embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent connection changes made by the description and the accompanying drawings under the technical concept of the present invention, or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (7)
1. A multi-channel electrical equipment control device, comprising:
The main control board circuit module, the operation panel circuit module and the output control board circuit module are respectively connected with the main control board circuit module;
the main control board circuit module comprises a main control board microprocessor circuit, and a voltage detection and automatic switching sub-module, an output port expansion sub-module, a data storage sub-module and an online operation sub-module which are respectively connected with the main control board microprocessor circuit;
The operation panel circuit module comprises an operation panel microprocessor circuit, and a threshold setting sub-module, an operation key expansion sub-module, a programming sub-module, a brightness adjusting sub-module and an alarm silencing sub-module which are respectively connected with the operation panel microprocessor circuit;
the output control board circuit module comprises an output control board microprocessor circuit, and a protection circuit sub-module, a system self-checking sub-module and a life overrun protection sub-module which are respectively connected with the output control board microprocessor circuit;
The threshold setting submodule comprises an output current protection value setting operation key, an expandable operation key, a coding switch and a display screen, wherein the operation key expansion submodule comprises a second power output end and a second communication bus, and the operation key expansion submodule can be connected with a plurality of expandable operation keys in parallel; the threshold setting submodule transmits the set parameters to the main control board microprocessor circuit through an operation panel communication port and transmits the set parameters to the output control board microprocessor circuit through the main control board microprocessor circuit;
The programming sub-module comprises the expandable operation key and a programming operation key, the operation panel circuit module carries out programming setting through the expandable operation key and the programming operation key, and the set program is stored in the operation panel microprocessor circuit.
2. The control device for a multi-channel electrical equipment according to claim 1, wherein the voltage detection and automatic switching sub-module comprises a voltage detection circuit, a main power input terminal, an auxiliary power input terminal, and an input power switching relay, the voltage detection circuit is used for detecting voltages of the main power input terminal and the auxiliary power input terminal, and when the main power voltage or the auxiliary power voltage exceeds a set range, the input power switching relay automatically switches or switches off the main input power or the auxiliary input power.
3. The multi-channel electrical device control apparatus of claim 1, wherein the output port expansion sub-module comprises an output control port, a first power output terminal and a first communication bus are disposed on the output control port, and the output control port is capable of being connected in parallel with a plurality of control board circuit modules.
4. The multi-channel electrical equipment control device according to claim 1, wherein the data storage sub-module comprises an external data storage device communication port and an operation panel circuit communication port, the main control panel circuit module sends stored data to the outside through the external data storage device communication port, and the main control panel circuit module sends data information to the operation panel circuit module through the operation panel circuit communication port; the online operation sub-module comprises an external associated control equipment communication port, and the main control board circuit module is in digital communication with an external control device through the external associated control equipment communication port.
5. The multi-channel electrical equipment control device according to claim 1, wherein the brightness adjustment sub-module comprises an LED indicator light brightness adjustment operation key and an LED indicator light, and the alarm silencing sub-module comprises a buzzer and an alarm sound elimination operation key.
6. The multi-circuit electrical equipment control device according to claim 5, wherein the protection circuit sub-module comprises an output current and leakage current detection circuit, an output relay and an output fuse, and when the output current and leakage current detection circuit detects that an overload, a leakage or an open circuit fault occurs at an output end, the output control board microprocessor circuit drives the output relay to turn off an output power supply or turns off the output fuse output power supply.
7. The multi-circuit electrical equipment control device according to claim 6, wherein the lifetime overrun protection sub-module comprises an output control board communication port and the output relay, the output control board microprocessor circuit records the operation lifetime and uploads the operation lifetime to the main control board circuit module through the output control board communication port, and when the accumulated operation time of the equipment reaches a preset threshold value, the output power supply is cut off through the output relay.
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| CN202011628966.1A CN112666874B (en) | 2020-12-30 | 2020-12-30 | Control device for multipath electrical equipment |
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| CN202011628966.1A CN112666874B (en) | 2020-12-30 | 2020-12-30 | Control device for multipath electrical equipment |
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| CN106556146A (en) * | 2015-09-24 | 2017-04-05 | 樱花卫厨（中国）股份有限公司 | Intelligent fuel gas water heater and its self-diagnosing method |
| CN208922489U (en) * | 2018-11-15 | 2019-05-31 | 锦州北方航海仪器有限公司 | Control device for ship navigation signal lamp |
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