CN202268612U - Power distribution system for low-voltage power distribution cabinet - Google Patents
Power distribution system for low-voltage power distribution cabinet Download PDFInfo
- Publication number
- CN202268612U CN202268612U CN2011203535607U CN201120353560U CN202268612U CN 202268612 U CN202268612 U CN 202268612U CN 2011203535607 U CN2011203535607 U CN 2011203535607U CN 201120353560 U CN201120353560 U CN 201120353560U CN 202268612 U CN202268612 U CN 202268612U
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- China
- Prior art keywords
- low
- power distribution
- distribution system
- voltage
- power supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a power distribution system for a low-voltage power distribution cabinet, which comprises two wire inlet ends of an external power source, a dual-power automatic changeover switch and a connector bar, wherein connecting wires are respectively led out from the two wire inlet ends, then connected to an input end of the dual-power automatic changeover switch after being respectively connected in series with a current transformer, led out from an output end of the dual-power automatic changeover switch and connected to the connector bar; a plurality of output connecting wires are respectively led out from the connector bar; and each output connecting wire is orderly connected in series with a breaker and the current transformer. The power distribution system for the low-voltage power distribution cabinet has simple and reliable electric structures, takes up small space, has reasonable wiring, causes low loss, has low cost, and can provide safe and reliable electric energy for the clients.
Description
Technical field
The utility model relates to low-voltage-powered distribution box field, is specifically related to a kind of distribution system of low-voltage-powered distribution box.
Background technology
Low-voltage-powered distribution box is the final stage device of distribution system.Low-voltage-powered distribution box be by the electrical wiring requirement with switchgear, measuring instrument, protection electrical equipment and auxiliary equipment be assembled in the sealing or semiclosed metal cabinet in or the screen width of cloth on.Can connect or the branch deenergizing by manual or automatic switch during normal the operation.Cut off circuit or warning by protection electrical equipment when fault or irregular operating.Borrow measuring instrument can show operating various parameter, also can adjust, point out or send signal departing from normal operating conditions to some electric parameter.Be usually used in each, join, in the electric substation.
When the distribution line of the low-voltage-powered distribution box of design, need take into full account its wire structures, with conserve space as far as possible, reduce cost.
The utility model content
The purpose of the utility model provides a kind of distribution system of low-voltage-powered distribution box, for client provides reliable electric energy.
The technical scheme of the utility model is following:
A kind of distribution system of low-voltage-powered distribution box; Include two ends of incoming cables, double power supply automatic transfer switch and line banks of external power supply; It is characterized in that: from described two ends of incoming cables, draw wiring respectively; And be connected in series the input that inserts double power supply automatic transfer switch behind the current transformer respectively; Draw wiring and insert described line bank from the output of said double power supply automatic transfer switch, from described line bank, draw the multichannel output connection respectively, all be serially connected with the circuit breaker summation current transformer in the output connection of every road successively.
The distribution system of described low-voltage-powered distribution box is characterized in that: bus row is adopted in described wiring.
The distribution system of described low-voltage-powered distribution box is characterized in that: described circuit breaker adopts breaker of plastic casing.
The beneficial effect of the utility model:
The electrical structure of the utility model is simple, reliable, and it is little to take up room, and wiring is reasonable, and loss is little, and cost is low, can safe and reliable electric energy be provided for client.
Description of drawings
Fig. 1 is the electrical structure sketch map of the utility model.
Embodiment
Referring to Fig. 1; A kind of distribution system of low-voltage-powered distribution box; Include two ends of incoming cables, double power supply automatic transfer switch WATSNB and the line bank TMY of external power supply; From two ends of incoming cables, draw wiring respectively, and insert the input that duplicate supply is changed the WATSNB switch automatically after being connected in series current transformer 1TA, 2TA respectively, draw wiring and insert line bank TMY from the output of double power supply automatic transfer switch WATSNB; From line bank TMY, draw five tunnel output connections respectively, all be serially connected with circuit breaker Q F1-QF5 summation current transformer 3TA-7TA in the output connection of every road successively.
In the utility model, bus row is adopted in wiring; Circuit breaker Q F1-QF5 all adopts breaker of plastic casing.
Claims (3)
1. the distribution system of a low-voltage-powered distribution box; Include two ends of incoming cables, double power supply automatic transfer switch and line banks of external power supply; It is characterized in that: from described two ends of incoming cables, draw wiring respectively; And be connected in series the input that inserts double power supply automatic transfer switch behind the current transformer respectively; Draw wiring and insert described line bank from the output of said double power supply automatic transfer switch, from described line bank, draw the multichannel output connection respectively, all be serially connected with the circuit breaker summation current transformer in the output connection of every road successively.
2. the distribution system of low-voltage-powered distribution box according to claim 1 is characterized in that: described wiring employing bus row.
3. the distribution system of low-voltage-powered distribution box according to claim 1 is characterized in that: described circuit breaker employing breaker of plastic casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203535607U CN202268612U (en) | 2011-09-21 | 2011-09-21 | Power distribution system for low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203535607U CN202268612U (en) | 2011-09-21 | 2011-09-21 | Power distribution system for low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202268612U true CN202268612U (en) | 2012-06-06 |
Family
ID=46159396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203535607U Expired - Fee Related CN202268612U (en) | 2011-09-21 | 2011-09-21 | Power distribution system for low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202268612U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319726A (en) * | 2014-10-23 | 2015-01-28 | 国家电网公司 | Low voltage cable branch box wiring system |
| CN104505718A (en) * | 2014-12-10 | 2015-04-08 | 上海电器科学研究院 | Low-voltage ship load center |
| CN106711797A (en) * | 2016-12-22 | 2017-05-24 | 苏州苏驼通信科技股份有限公司 | Intelligent AC distribution box for base stations |
-
2011
- 2011-09-21 CN CN2011203535607U patent/CN202268612U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319726A (en) * | 2014-10-23 | 2015-01-28 | 国家电网公司 | Low voltage cable branch box wiring system |
| CN104505718A (en) * | 2014-12-10 | 2015-04-08 | 上海电器科学研究院 | Low-voltage ship load center |
| CN106711797A (en) * | 2016-12-22 | 2017-05-24 | 苏州苏驼通信科技股份有限公司 | Intelligent AC distribution box for base stations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20140921 |
|
| EXPY | Termination of patent right or utility model |