CN204290066U - Low-voltage comprehensive distribution box wiring system - Google Patents
Low-voltage comprehensive distribution box wiring system Download PDFInfo
- Publication number
- CN204290066U CN204290066U CN201420833779.0U CN201420833779U CN204290066U CN 204290066 U CN204290066 U CN 204290066U CN 201420833779 U CN201420833779 U CN 201420833779U CN 204290066 U CN204290066 U CN 204290066U
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- low
- voltage
- bus bar
- distribution box
- electric energy
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- 239000003990 capacitor Substances 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
Abstract
Low-voltage comprehensive distribution box wiring system described in the utility model, comprises Intelligent power distribution terminal, electric energy meter meter, idle control unit, isolating switch, low-voltage bus bar row, arranges with low-voltage bus bar the multichannel low-pressure line-outgoing branch road and reactive power compensation branch road that are connected; One end of described isolating switch is connected with the low pressure general supply outside distribution box, the other end to be arranged with low-voltage bus bar through current transformer group and is connected, the output of described Intelligent power distribution terminal is connected by the input of bus with electric energy meter meter, the current output terminal of described electric energy meter meter is connected with current transformer group, the voltage output end of electric energy meter meter is arranged with low-voltage bus bar and is connected, the current output terminal of described idle control unit is connected with current transformer group, and the voltage output end of idle control unit is arranged with low-voltage bus bar and is connected.The technical problems to be solved in the utility model is to provide low-voltage comprehensive distribution box wiring system, this Systematical control convenience, stable performance, not easily breaks down, improves power supplying efficiency.
Description
Technical field
The utility model relates to low-voltage distribution technical field, particularly low-voltage comprehensive distribution box wiring system.
Background technology
Along with the development of national economy, the task of State Grid's industry is also more arduous, and due to industrial expansion, the reactive loss in present electrical network sharply increases, and the electrical network quality of power supply is worsened, and also increases the weight of burden and the loss of circuit and transformer simultaneously.Low-tension distribution box is the final stage device of distribution system, is mainly applicable to the electrical power trans mission/distribution system that urban and rural power grids exchange 50Hz, below rated voltage 0.4kV.But the wiring system of current used low-tension distribution box, does not take into full account its wire structures, in use there is electric leakage, short circuit, overload, metering inaccurate etc.
Utility model content
The technical problems to be solved in the utility model is to provide low-voltage comprehensive distribution box wiring system, this Systematical control convenience, stable performance, not easily breaks down, improves power supplying efficiency.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
Low-voltage comprehensive distribution box wiring system, comprises Intelligent power distribution terminal, electric energy meter meter, idle control unit, isolating switch, low-voltage bus bar row, arranges with low-voltage bus bar the multichannel low-pressure line-outgoing branch road and reactive power compensation branch road that are connected; One end of described isolating switch is connected with the low pressure general supply outside distribution box, the other end to be arranged with low-voltage bus bar through current transformer group and is connected, the output of described Intelligent power distribution terminal is connected by the input of bus with electric energy meter meter, the current output terminal of described electric energy meter meter is connected with current transformer group, the voltage output end of electric energy meter meter is arranged with low-voltage bus bar and is connected, the current output terminal of described idle control unit is connected with current transformer group, and the voltage output end of idle control unit is arranged with low-voltage bus bar and is connected; Described low-pressure line-outgoing branch road comprises switch with knifeshaped fuse, the first circuit breaker and coil, one end of described switch with knifeshaped fuse is arranged with low-voltage bus bar and is connected, the other end is connected with one end of the first circuit breaker, the other end of described first circuit breaker is connected with customer charge through power line, on the power line of described coil tandem between the first circuit breaker and customer charge, between described isolating switch and current transformer group, be also connected with a lightning arrester.
Described reactive power compensation branch road comprises the second circuit breaker, three-phase compensation capacitor and subitem compensation condenser, and one end of described second circuit breaker is arranged with low-voltage bus bar and is connected, and the other end is connected with three-phase compensation capacitor, compensation condenser of itemizing respectively through lightning arrester.
Described lightning arrester is made up of fuse and surge protector, and one end of described surge protector is connected on the power line between isolating switch and current transformer group through fuse.
Described bus is RS-485 bus.
The beneficial effects of the utility model: distribution box wiring system described in the utility model, its structure is simple, reliable, takes up room little, and rationally, loss is little, and cost is low, can provide safe and reliable electric energy for client in wiring.Add reactive power compensation and control unit within the system, improve the power factor of electrical network, reduce the loss of supply transformer and conveying circuit, improve power supplying efficiency.In this system, the earth leakage protective devices such as coil are installed, break function automatically can have been realized after current overload, and can coordinate with Household electricity leakage protection device, realize cascade protection, ensure that the safe operation of equipment, can prevent from leaking electricity and the generation that causes the accident.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
As shown in Figure 1, Intelligent power distribution terminal 1, electric energy meter meter 2, idle control unit 3, isolating switch QS1, low-voltage bus bar row 5, arranges the 5 multichannel low-pressure line-outgoing branch road 6 be connected and reactive power compensation branch roads 7 with low-voltage bus bar; One end of isolating switch QS1 is connected with the low pressure general supply outside distribution box, the other end is arranged 5 through current transformer group 8 and low-voltage bus bar and is connected, the output of Intelligent power distribution terminal 1 is connected with the input of electric energy meter meter 2 by RS-485 bus, the current output terminal of electric energy meter meter 2 is connected with current transformer group 8, voltage output end and the low-voltage bus bar of electric energy meter meter 2 are arranged 5 and are connected, the current output terminal of idle control unit 3 is connected with current transformer group 8, and voltage output end and the low-voltage bus bar of idle control unit 3 are arranged 5 and be connected; Low-pressure line-outgoing branch road 6 comprises switch with knifeshaped fuse HR1, the first circuit breaker Q F1 and coil 63, one end and the low-voltage bus bar of switch with knifeshaped fuse HR1 are arranged 5 and are connected, the other end is connected with one end of the first circuit breaker Q F1, the other end of the first circuit breaker Q F1 is connected with the customer charge outside this system through power line, coil 63 is serially connected on the power line between the first circuit breaker Q F1 and customer charge, is also connected with a lightning arrester 9 between isolating switch QS1 and current transformer group 8.Low-pressure line-outgoing branch road 6 is two in the present embodiment, as shown in Figure 1 these two branch road internal components and connected mode identical, the switch with knifeshaped fuse of another low-pressure line-outgoing branch road 6 is HR2, circuit breaker is QF2.
Reactive power compensation branch road 7 comprises the second circuit breaker Q S2, three-phase compensation capacitor 72 and subitem compensation condenser 73, one end and the low-voltage bus bar of the second circuit breaker Q S2 are arranged 5 and are connected, and the other end is connected with three-phase compensation capacitor 72, compensation condenser 73 of itemizing respectively through lightning arrester FB.
Lightning arrester 9 is made up of fuse FU and surge protector SPD, and one end of surge protector SPD is connected on the power line between isolating switch QS1 and current transformer group 8 through fuse FU.
Distribution box wiring system described in the utility model, its structure is simple, reliable, takes up room little, and rationally, loss is little, and cost is low, can provide safe and reliable electric energy for client in wiring.Add reactive power compensation and control unit within the system, improve the power factor of electrical network, reduce the loss of supply transformer and conveying circuit, improve power supplying efficiency.In this system, the earth leakage protective devices such as coil are installed, break function automatically can have been realized after current overload, and can coordinate with Household electricity leakage protection device, realize cascade protection, ensure that the safe operation of equipment, can prevent from leaking electricity and the generation that causes the accident.
The above execution mode is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that claims of the present utility model determine.
Claims (4)
1. low-voltage comprehensive distribution box wiring system, it is characterized in that: comprise Intelligent power distribution terminal (1), electric energy meter meter (2), idle control unit (3), isolating switch (QS1), low-voltage bus bar row (5), arrange multichannel low-pressure line-outgoing branch road (6) and reactive power compensation branch road (7) that (5) be connected with low-voltage bus bar, one end of described isolating switch (QS1) is connected with the low pressure general supply outside distribution box, the other end is arranged (5) through current transformer group (8) with low-voltage bus bar and is connected, the output of described Intelligent power distribution terminal (1) is connected by the input of bus with electric energy meter meter (2), the current output terminal of described electric energy meter meter (2) is connected with current transformer group (8), the voltage output end of electric energy meter meter (2) is arranged (5) and is connected with low-voltage bus bar, the current output terminal of described idle control unit (3) is connected with current transformer group (8), the voltage output end of idle control unit (3) is arranged (5) and is connected with low-voltage bus bar, described low-pressure line-outgoing branch road (6) comprises switch with knifeshaped fuse (HR1), the first circuit breaker (QF1) and coil (63), one end of described switch with knifeshaped fuse (HR1) is arranged (5) and is connected with low-voltage bus bar, the other end is connected with the one end of the first circuit breaker (QF1), the other end of described first circuit breaker (QF1) is connected with customer charge through power line, described coil (63) is serially connected on the power line between the first circuit breaker (QF1) and customer charge, is also connected with a lightning arrester (9) between described isolating switch (QS1) and current transformer group (8).
2. low-voltage comprehensive distribution box wiring system according to claim 1, it is characterized in that: described reactive power compensation branch road (7) comprises the second circuit breaker (QS2), three-phase compensation capacitor (72) and subitem compensation condenser (73), one end of described second circuit breaker (QS2) is arranged (5) and is connected with low-voltage bus bar, the other end is connected with three-phase compensation capacitor (72), compensation condenser (73) of itemizing respectively through lightning arrester.
3. low-voltage comprehensive distribution box wiring system according to claim 1; it is characterized in that: described lightning arrester (9) is made up of fuse (FU) and surge protector (SPD), one end of described surge protector (SPD) is connected on the power line between isolating switch (QS1) and current transformer group (8) through fuse (FU).
4. low-voltage comprehensive distribution box wiring system according to claim 1, is characterized in that: described bus is RS-485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833779.0U CN204290066U (en) | 2014-12-25 | 2014-12-25 | Low-voltage comprehensive distribution box wiring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833779.0U CN204290066U (en) | 2014-12-25 | 2014-12-25 | Low-voltage comprehensive distribution box wiring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290066U true CN204290066U (en) | 2015-04-22 |
Family
ID=52873196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420833779.0U Expired - Fee Related CN204290066U (en) | 2014-12-25 | 2014-12-25 | Low-voltage comprehensive distribution box wiring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017642A (en) * | 2017-04-01 | 2017-08-04 | 国家电网公司 | A kind of low-voltage comprehensive distribution box for improving power supplying efficiency |
| CN112350155A (en) * | 2020-11-05 | 2021-02-09 | 广东万江配电有限公司 | Comprehensive outdoor cabinet |
-
2014
- 2014-12-25 CN CN201420833779.0U patent/CN204290066U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017642A (en) * | 2017-04-01 | 2017-08-04 | 国家电网公司 | A kind of low-voltage comprehensive distribution box for improving power supplying efficiency |
| CN107017642B (en) * | 2017-04-01 | 2023-09-01 | 国家电网公司 | Low-voltage comprehensive distribution box capable of improving power supply efficiency |
| CN112350155A (en) * | 2020-11-05 | 2021-02-09 | 广东万江配电有限公司 | Comprehensive outdoor cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20181225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |