CN109038247B - Weak current module and distribution cabinet - Google Patents
Weak current module and distribution cabinet Download PDFInfo
- Publication number
- CN109038247B CN109038247B CN201710439608.8A CN201710439608A CN109038247B CN 109038247 B CN109038247 B CN 109038247B CN 201710439608 A CN201710439608 A CN 201710439608A CN 109038247 B CN109038247 B CN 109038247B
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- Prior art keywords
- circuit board
- plug
- adapter
- signal
- power transmission
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 22
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/056—Mounting on plugboards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
Abstract
The invention provides a weak current module and a power distribution cabinet. The weak current module includes: the detection part is connected with the power transmission wire and comprises a first plug-in structure; the conversion processing part comprises a first signal conversion unit, a processor and a second plug structure, the first plug structure is matched with the second plug structure, and the first signal conversion unit receives signals from the detection part and transmits the signals to the processor. The weak current module is simple to assemble and convenient to maintain.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a weak current module and a power distribution cabinet.
Background
Along with the development of intelligent and digital power distribution technology, a plurality of weak current modules are necessary in power distribution equipment to conduct digital intelligent treatment, but the existing weak current modules are generally complex in structure, messy in wiring, difficult to assemble, inconvenient to maintain and the like.
Disclosure of Invention
The embodiment of the invention provides a weak current module and a power distribution cabinet, which are used for solving the problem that the existing weak current module is complex in structure and difficult to assemble.
To achieve the above object, an embodiment of the present invention provides a weak current module, including: the detection part is connected with the power transmission wire and comprises a first plug-in structure; the conversion processing part comprises a first signal conversion unit, a processor and a second plug structure, the first plug structure is matched with the second plug structure, and the first signal conversion unit receives signals from the detection part and transmits the signals to the processor.
Optionally, the conversion processing section further includes: the first signal conversion unit is arranged on the first circuit board, a third plug-in structure is further arranged on the first circuit board, the second plug-in structure is arranged on the first circuit board, the first circuit board is electrically connected with the detection part, and the first signal conversion unit is electrically connected with the second plug-in structure and the third plug-in structure; the second circuit board is provided with a fourth plug-in structure, the fourth plug-in structure is matched with the third plug-in structure in a plug-in mode, the second circuit board is connected with the first circuit board through electric signals, the processor is arranged on the second circuit board, and the processor is connected with the fourth plug-in structure through electric signals.
Optionally, the detecting section further includes: the first switching box is internally provided with a first switching circuit board, and the first plug-in structure is arranged on the first switching circuit board.
Optionally, the detecting section further includes: the first box body is penetrated by at least one power transmission wire; and at least one first current transformer is arranged on each electric transmission line and is arranged in the first box body, and each first current transformer is connected with the first switching circuit board.
Optionally, the detecting portion further includes a plug connector, the plug connector is disposed on the first box body, and the plug connector is connected with the first switching circuit board.
Optionally, the detection portion further includes a second switching box, a second switching circuit board is disposed in the second switching box, and a fifth plug structure is disposed on the second switching circuit board.
Optionally, the detecting section further includes: at least one temperature sensor is arranged on each electric transmission line, the temperature sensor is connected with the first switching circuit board or the second switching circuit board; and/or, the residual current transformers are connected with one cable, the cable and the N lines are provided with the residual current transformers, and the residual current transformers are used for detecting residual currents and are connected with the second switching circuit board or the first switching circuit board; and/or, a voltage detection line, wherein the voltage detection line is connected with at least one power transmission wire, detects the voltage value of the connected power transmission wire, and is connected with the second switching circuit board or the first switching circuit board; and/or, the communication line is connected to the second switching circuit board or the first switching circuit board.
Optionally, the first signal conversion unit includes at least one second current transformer, and the at least one second current transformer is disposed on the first circuit board and is electrically connected to the second plug structure and the third plug structure.
Optionally, the first circuit board is further provided with a second signal conversion unit and a sixth plug structure, the first circuit board is in plug fit with a fifth plug structure of the second switching circuit board through the sixth plug structure, the second signal conversion unit is in electrical signal connection with the sixth plug structure and the third plug structure, and the second signal conversion unit comprises at least one voltage transformer.
According to another aspect of the invention, a power distribution cabinet is provided, which comprises the weak current module.
The weak current module of the embodiment of the invention comprises the detection part and the conversion processing part, and the detection part and the conversion processing part are connected through plug-in matching, so that the assembly is very convenient, the problem of complex wiring and mutual interference is avoided, and the weak current module has a simple structure, is convenient to assemble and is convenient to maintain in the use process.
Drawings
Fig. 1 is a schematic structural diagram of a detection part and a conversion processing part of a weak current module according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a weak current module according to an embodiment of the present invention.
Reference numerals illustrate:
1. A first plug structure; 2. a first circuit board; 3. a second plug structure; 4. a third plug structure; 5. a second circuit board; 6. a processor; 7. a fourth plug structure; 8.a first transfer box; 9. a first switching circuit board; 10. a first case; 11. a power transmission wire; 12. a first current transformer; 13. a plug-in component; 14. a second junction box; 15. a second switching circuit board; 16. a fifth plug structure; 17. a temperature sensor; 18. a residual current transformer; 19. a cable; 20. a voltage detection line; 21. a communication line; 22. a second current transformer; 23. a sixth plug structure; 24. a voltage transformer; 25. a first power module; 26. a first communication module; 27. an arc plug-in structure; 28. a second power module; 29. a clock; 30. a measurement circuit; 31. an alarm indication module; 32. a communication indication module; 33. a power indication module; 34. a protection circuit; 35. a self-checking circuit; 36. a temperature detection circuit; 37. an input/output control circuit; 38. a memory; 39. a second communication module; 40. a second connection terminal; 41. a first connection terminal; 42. an N line; 43. a detection unit; 44. and a conversion processing unit.
Detailed Description
The weak current module and the power distribution cabinet according to the embodiment of the invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, according to an embodiment of the present invention, the weak current module includes a detection portion 43 and a conversion processing portion 44, the detection portion 43 is connected with the power transmission wire 11, and the detection portion 43 includes the first plug-in structure 1; the conversion processing part 44 includes a first signal conversion unit, a processor 6 and a second plug structure 3, the first plug structure 1 and the second plug structure 3 are matched, and the first signal conversion unit receives a signal from the detection part 43 and transmits the signal to the processor 6.
The weak current module comprises a detection part and a conversion processing part, wherein the detection part and the conversion processing part are connected through plug-in matching, so that the assembly is very convenient, the problem of complex wiring and mutual interference is avoided, and the weak current module is simple in structure, convenient to assemble and convenient to maintain in the use process.
In the present embodiment, the conversion processing section 44 includes the first circuit board 2 and the second circuit board 5. Of course, in other embodiments, the conversion processing section 44 may also include a third circuit board or more as desired.
Optionally, the detecting portion includes a first box body 10, a first adapter box 8, a second adapter box 14, a plug connector 13, a first current transformer 12, a residual current transformer 18, and the like.
As shown in fig. 1 and 2, at least one power transmission wire 11 is disposed through the first case 10. In the present embodiment, the number of the power transmission wires 11 is 3, and are parallel to each other. The power transmission line 11 is used for transmitting electric power, which is a strong electric power transmission. The power transmission line 11 may be a copper bar or other structure capable of achieving strong electric power transmission. A cable 19 is connected to each power transmission line 11.
At least one first current transformer 12 for detecting the current of the power transmission conductors 11 is arranged on each power transmission conductor 11. A first current transformer 12 is disposed within the first housing 10. Of course, in other embodiments, the first current transformer 12 may also be used to detect the current of the cable 19.
A temperature sensor 17 is provided on the portion of each power transmission wire 11 protruding from the first casing 10 for detecting the temperature of the corresponding power transmission wire 11.
A voltage detection line 20 is also connected to the power transmission line 11 for detecting the voltage on the power transmission line 11.
The plug-in connector 13 is arranged on the first box body 10 and is used for being plugged into other structures to realize connection, and the plug-in connector 13 is connected with the first switching circuit board 9. For example, the plug connector 13 can be used to access a circuit breaker signal and/or an electric operating mechanism signal. The electric operating mechanism is used for performing operations such as opening and closing.
A first switching circuit board 9 is arranged in the first switching box 8, and the first plug-in structure 1 is arranged on the first switching circuit board 9. The first plug-in connection 1 is used for transmitting current signals, circuit breaker signals, electrical actuating element signals, temperature signals, voltage signals, residual current signals, communication signals and the like into the first circuit board 2.
The first switching circuit board 9 is further provided with a first connection terminal 41 for connection with other structures. In the present embodiment, the first current transformer 12 on the power transmission line 11 is connected to the first switching circuit board 9 through the first connection terminal 41; the first current transformer 12 can also be connected to the second switching circuit board 15 via a second connection 40. The plug connector 13 is connected to the first switching circuit board 9 via a first connection 41, and the plug connector 13 is also connected to the second switching circuit board 15 via a second connection 40.
The temperature sensor 17 on the power line 11 is connected to the first switching circuit board 9 via a first connection 41 or to the second switching circuit board 15 via a second connection 40.
A second switching circuit board 15 is arranged in the second switching box 14. The second switching circuit board 15 is provided with a fifth plug-in structure 16, and the fifth plug-in structure 16 is used for being connected with the first circuit board 2 to realize transmission of electric signals and/or electric energy. Specifically, the fifth plug structure 16 is connected to the first circuit board 2, and transmits a voltage signal, a temperature signal, a residual current signal, a communication signal, a current signal, a circuit breaker signal, an electric operating mechanism signal, or the like, into the first circuit board 2.
The second switching circuit board 15 is further provided with a second connection terminal 40 for connection with other structures. The voltage detection line 20 on the power line 11 is connected to the second switching circuit board 15 via the second connection terminal 40, or is connected to the first switching circuit board 9 via the first connection terminal 41. The cable 19 and the N-wire 42 are provided with a residual current transformer 18, and the residual current transformer 18 is connected to the second switching circuit board 15 through the second connection terminal 40 or to the first switching circuit board 9 through the first connection terminal 41 for detecting residual current. The communication line 21 is connected to the second switching circuit board 15 via a second connection terminal 40 or to the first switching circuit board 9 via a first connection terminal 41.
The first circuit board 2 includes a second signal conversion unit, a sixth plug structure 23, an arc plug structure 27, and the like, in addition to the first signal conversion unit, the second plug structure 3, and the third plug structure 4.
The first signal conversion unit comprises at least one second current transformer 22, and the at least one second current transformer 22 is arranged on the first circuit board 2 and is electrically connected with the second plug-in structure 3 and the third plug-in structure 4. The second current transformer 22 is used to convert the electrical signal transmitted from the second plug structure 3 (the specific conversion operation may be determined according to the need) and then transmitted through the third plug structure 4.
In the present embodiment, the number of the second current transformers 22 is 3, and all are provided on the first circuit board 2.
The second signal conversion unit and the sixth plug structure 23 are both disposed on the first circuit board 2. The first printed circuit board 2 is plugged into the fifth plug structure 16 of the second switching printed circuit board 15 via the sixth plug structure 23. The second signal conversion unit is electrically connected to the sixth plug structure 23 and the third plug structure 4.
The second signal conversion unit comprises at least one voltage transformer 24. The voltage transformer 24 converts the electrical signal input from the sixth plug structure 23 and transmits the converted electrical signal out of the third plug structure 4.
In the present embodiment, the second signal conversion unit includes 3 voltage transformers 24.
The third plug-in connection 4 connects the current signal, the voltage signal, the temperature signal, the residual current signal, the circuit breaker signal and the electric operating mechanism signal to the second circuit board 5.
The first circuit board 2 is further provided with a first power supply module 25, and the first power supply module 25 is used for supplying power to the first circuit board 2, so that the first circuit board 2 and devices thereon can work normally, stably and reliably.
The first circuit board 2 is further provided with a first communication module 26, and the first communication module 26 is used for communicating with the outside, so as to realize data transmission or data transmission.
The arc plugging structure 27 is a standby structure, and when arc detection is required, the arc data can be transmitted or received through the arc plugging structure 27.
The second circuit board 5 is mainly used for processing electric signals and communicating with an upper computer. Specifically, the fourth plugging structure 7 of the second circuit board 5 is used for being connected with the third plugging structure 4 on the first circuit board 2, so as to realize transmission of electric signals. After the processor 6 receives the electrical signals, the electrical signals are processed as required. Specifically, the processor 6 is a central processing unit, and is configured to process various data such as a current signal, a voltage signal, a temperature signal, a residual current signal, a circuit breaker signal, an electric operating mechanism signal, and the like, and is in communication connection with a data collector of the power distribution cabinet, and then is in communication with a display terminal or reports to a server of a host computer, so as to be used for monitoring, controlling, protecting and managing functions of the power distribution system locally or/and remotely.
The second circuit board 5 is further provided with an input/output control circuit 37 for controlling input or output of an electric signal of the second circuit board 5.
The second circuit board 5 is further provided with a memory 38 for storing data, which is connected to the processor 6 for the processor 6 to read or store data therefrom.
The second circuit board 5 is further provided with a second communication module 39, and the second communication module 39 is used for realizing communication between the second circuit board 5 and the outside.
The second circuit board 5 is further provided with a second power module 28 for supplying power to the second circuit board 5 and devices thereon, so as to ensure stable and reliable operation.
The second circuit board 5 is also provided with a clock 29, the clock 29 being used for recording time and for use by the processor 6 when required.
The second circuit board 5 is further provided with a measurement circuit 30, and the measurement circuit 30 is used for measuring signals such as processing current and voltage, and calculating data such as frequency, active power, reactive power, apparent power, power factor, active power, reactive power, accumulated active power, accumulated reactive power, residual current, temperature, voltage and current harmonic data, current unbalance, voltage unbalance, overvoltage information, voltage loss information, phase interruption data, switching value and the like.
The second circuit board 5 is further provided with an alarm indication module 31, a communication indication module 32 and a power indication module 33. The alarm indication module 31 may be an alarm indication lamp for indicating an alarm failure. The communication indication module 32 may be a communication indication lamp for indicating whether communication is normal. The power indication module 33 may be a power indication lamp for indicating whether the power is normal.
The second circuit board 5 is further provided with a protection circuit 34, and the protection circuit 34 is used for protecting the second circuit board 5 to avoid damaging the second circuit board 5 when overcurrent or overload occurs.
The second circuit board 5 is further provided with a self-checking circuit 35, and the self-checking circuit 35 is used for detecting the second circuit board 5, so that each device on the second circuit board 5 is ensured to be normal and can work normally.
The second circuit board 5 is further provided with a temperature detection circuit 36 for detecting processing temperature data.
Alternatively, the first circuit board 2 is provided in a case, which may include an openable door. The second circuit board 5 may be disposed in another box, and the box may be disposed in the box where the first circuit board 2 is located, and the alarm indication module 31, the communication indication module 32 and the power indication module 33 may be indication lamps, where the lamp heads of the indication lamps are exposed in the two boxes, so as to be convenient for observation by staff. The first plug-in structure and the second plug-in structure can be matched plugs and sockets. The third plug structure and the fourth plug structure can be matched plugs and sockets. The fifth plug structure and the sixth plug structure can be matched plugs and sockets.
According to another aspect of the invention, a power distribution cabinet is provided, which comprises the weak current module.
This light current module can set up in distribution systems such as switch board, block terminal, cable shaft, can real-time processing and monitor distribution system's electrical data, can carry out local and remote monitoring management and fault alarm, and modular structure sets up rationally, through the grafting connection between each circuit board, simplify assembly process, and conveniently dismantle the maintenance, can be connected and dismantle without outage, can overhaul the maintenance with regard to each circuit board respectively, the problem of need dismantling whole device and overhaul the maintenance when the problem appears is avoided, the problem that the influence user used is avoided.
The weak current module and the power distribution cabinet have the following beneficial effects:
the weak current module is connected through the plug-in structure, so that the disassembly and the assembly are more convenient, and the problem of complex wiring is avoided. The weak current module has simple structure, convenient assembly and convenient maintenance.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within 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 (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439608.8A CN109038247B (en) | 2017-06-12 | 2017-06-12 | Weak current module and distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439608.8A CN109038247B (en) | 2017-06-12 | 2017-06-12 | Weak current module and distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109038247A CN109038247A (en) | 2018-12-18 |
| CN109038247B true CN109038247B (en) | 2024-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710439608.8A Active CN109038247B (en) | 2017-06-12 | 2017-06-12 | Weak current module and distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038247B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463676A (en) * | 2019-01-21 | 2020-07-28 | 天津市中力神盾电子科技有限公司 | Power distribution cabinet monitoring terminal and power distribution cabinet |
| CN111463675A (en) * | 2019-01-21 | 2020-07-28 | 天津市中力神盾电子科技有限公司 | Power distribution cabinet acquisition terminal and power distribution cabinet |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538163A (en) * | 2014-12-09 | 2015-04-22 | 许继电气股份有限公司 | Mutual inductor collection device |
| CN207009907U (en) * | 2017-06-12 | 2018-02-13 | 天津市中力防雷技术有限公司 | Light current module and power distribution cabinet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202549886U (en) * | 2012-04-09 | 2012-11-21 | 杜邦太阳能有限公司 | Photovoltaic combiner box |
| EP2960664B1 (en) * | 2014-06-24 | 2019-05-01 | SYCOMP Electronic GmbH | System for detecting powers and amounts of energy in conductors |
-
2017
- 2017-06-12 CN CN201710439608.8A patent/CN109038247B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538163A (en) * | 2014-12-09 | 2015-04-22 | 许继电气股份有限公司 | Mutual inductor collection device |
| CN207009907U (en) * | 2017-06-12 | 2018-02-13 | 天津市中力防雷技术有限公司 | Light current module and power distribution cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109038247A (en) | 2018-12-18 |
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