CN222868371U - A distribution box capable of quickly restoring power supply using an emergency power supply system - Google Patents
A distribution box capable of quickly restoring power supply using an emergency power supply system Download PDFInfo
- Publication number
- CN222868371U CN222868371U CN202421435182.0U CN202421435182U CN222868371U CN 222868371 U CN222868371 U CN 222868371U CN 202421435182 U CN202421435182 U CN 202421435182U CN 222868371 U CN222868371 U CN 222868371U
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- China
- Prior art keywords
- power supply
- unit
- emergency power
- distribution box
- supply system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a distribution box capable of rapidly recovering power supply by using an emergency power supply system, which comprises a box body, wherein a wire inlet unit, a feeder unit, a metering unit, a reactive compensation unit and an emergency power supply unit are arranged in the box body, the emergency power supply unit comprises an emergency power supply connector socket, is connected with a main busbar by using a copper bar and is further connected with the feeder unit, the reactive compensation unit comprises a compensation circuit breaker and an intelligent capacitor, the whole distribution box is reasonable in structural design, safe and reliable, and meanwhile, the distribution box can be rapidly and conveniently connected with a power generation car to form continuous power supply for downstream important load equipment under the condition that a transformer fails and cannot supply power.
Description
Technical Field
The utility model relates to the technical field of piezoelectric devices, in particular to a distribution box capable of rapidly recovering power supply by using an emergency power supply system.
Background
With the increasing of people to the power consumption demand, the performance quality of block terminal has more harsh standard, and current block terminal structure generally is provided with inlet wire unit, feeder unit, measurement unit, only possesses electric energy distribution, measurement, protection, control's function, when meetting the upper reaches electrical power system trouble, current block terminal is because of not possessing emergency power supply's function, can't continue to provide the electric energy for the downstream consumer.
Disclosure of utility model
The utility model aims to solve the technical problems and provide the distribution box capable of rapidly recovering power supply by using the emergency power supply system, which has reasonable structural design and can meet the rapid power recovery requirement of users.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
The utility model provides a block terminal that can use emergency power supply system to resume power supply fast, it includes the box, is provided with inlet wire unit, feeder unit, measurement unit in the box, inlet wire unit is connected with feeder unit through main busbar, still includes reactive power compensation unit, emergency power supply unit;
The emergency power supply unit comprises emergency power supply connector sockets which are fixedly arranged in independent box body building cavities, four emergency power supply connector sockets are fixed on an installation panel in the box body, and are respectively connected with A, B, C, N main bus bars by copper bars so as to be connected with the feeder line unit;
The reactive compensation unit comprises a compensation circuit breaker and intelligent capacitors, the main busbar is connected with the compensation circuit breaker through copper bars, and the lower opening of the compensation circuit breaker is respectively connected with the plurality of intelligent capacitors through the busbar and wires.
The reactive compensation unit also comprises a lightning arrester, wherein the lightning arrester is connected with the incoming line end of the compensation circuit breaker, plays a role in lightning protection, and mainly protects the reactive compensation part.
The intelligent capacitor is equipment in the prior art, takes a self-healing low-voltage power capacitor as a main body, takes an intelligent measurement and control processor as a control center, adopts a microelectronic software and hardware technology to realize zero-crossing control on the thyristor, delays switching of contacts of the mechanical magnetic latching relay, realizes the zero-crossing switching technology of the mechanical magnetic latching relay and the thyristor composite switch circuit on the low-voltage power capacitor, and further performs power factor compensation on a low-voltage line of 0.4 kV.
The wire inlet unit comprises a 630A electronic molded case circuit breaker I, the wire inlet unit comprises three molded case circuit breakers II with residual current protection, the lower end of the wire inlet unit is connected with a main busbar through a copper bar, and the main busbar is connected with the wire inlet unit through the copper bar.
The low-voltage side of the transformer is connected with the wire inlet unit plastic-case circuit breaker I, and electric energy is conveyed to downstream electric equipment after flowing through the main busbar and the feeder unit through the wire inlet unit.
The metering unit comprises an electric energy meter and a centralized meter reading device, and plays roles of electric energy metering and centralized meter reading by measuring the voltage signal and the current signal of the main bus.
The box body is also provided with a fuse and a surge protector, and the surge protector is connected with the main busbar and mainly protects the feeder unit and downstream electric equipment.
The connector socket is provided with a protective cover, the protective cover is pressed by a spring with a hinge, and dust and splash water are prevented from entering. The protective cover is respectively in red, yellow, blue and green colors according to different phases so as to prevent the misplug of the plug and the socket. The protective cover and the socket are arranged in a split type. The socket is universal, allowing for the inter-plug application of plugs and sockets of different current levels.
The utility model has the beneficial effects that through improving the distribution box, the whole distribution box has reasonable structural design, is safe and reliable, and can realize that the distribution box is quickly and conveniently connected by the power generation car to form continuous power supply for downstream important load equipment under the condition that the transformer fails and cannot supply power.
Drawings
FIG. 1 is a schematic view of a back structure of an embodiment of the present utility model;
fig. 2 is a schematic diagram of a front structure of an embodiment of the present utility model.
1-Box, 2-molded case circuit breaker II, 3-main busbar, 4-socket, 5-compensation circuit breaker, 6-intelligent capacitor, 7-arrester, 8-molded case circuit breaker I, 9-meter reading device, 10-electric energy meter, 11-fuse, 12-surge protector.
Detailed Description
The distribution box capable of rapidly recovering power supply by using the emergency power supply system as shown in the accompanying drawings 1 and 2 comprises a box body 1, wherein a wire inlet unit, a feeder unit and a metering unit are arranged in the box body 1, and the wire inlet unit is connected with the feeder unit through a main busbar 33 and further comprises a reactive compensation unit and an emergency power supply unit;
The emergency power supply unit comprises emergency power supply connector sockets 4 which are fixedly arranged in independent box body building cavities, four emergency power supply connector sockets 4 are fixed on an installation panel in the box body, and are respectively connected with A, B, C, N main bus bars 3 by copper bars so as to be connected with the feeder line unit;
The reactive compensation unit comprises a compensation breaker 5 and intelligent capacitors 6, wherein the main busbar 3 is connected with the compensation breaker 5 through copper bars, and the lower opening of the compensation breaker 5 is respectively connected with the plurality of intelligent capacitors 6 through bus bars and wires.
The reactive compensation unit further comprises a lightning arrester 7, wherein the lightning arrester 7 is connected with the incoming line end of the compensation circuit breaker 5, plays a role in lightning protection, and mainly protects the reactive compensation part.
The intelligent capacitor 6 is equipment in the prior art, takes a self-healing low-voltage power capacitor as a main body, takes an intelligent measurement and control processor as a control center, adopts a microelectronic software and hardware technology to realize zero-crossing control on a thyristor, delays switching of contacts of a mechanical magnetic latching relay, realizes zero-crossing switching technology of a mechanical magnetic latching relay and a thyristor composite switch circuit on the low-voltage power capacitor, and further performs power factor compensation on a low-voltage line of 0.4 kV.
The wire inlet unit comprises a 630A electronic molded case circuit breaker I8, the wire inlet unit comprises three molded case circuit breakers II2 with residual current protection, the lower end of the wire inlet unit is connected with the main busbar 3 through copper bars, and the main busbar 3 is connected with the wire inlet unit through copper bars.
The low-voltage side of the transformer is connected with the wire inlet unit plastic-case circuit breaker I8, and electric energy is conveyed to downstream electric equipment after passing through the wire inlet unit, the main busbar 3 and the wire inlet unit.
The metering unit comprises an electric energy meter 10 and a centralized meter reading device 9, and plays a role in metering electric energy and centralized meter reading by measuring a main bus voltage signal and a main bus current signal.
The box body is also provided with a fuse 11 and a surge protector 12, and the surge protector is connected with the main busbar 3 and mainly protects a feeder unit and downstream electric equipment.
The emergency power connector adopts a monopole split type structure, adopts a French brand history Tao Bier (Staubli) MC type industrial connector, and adopts a latch locking structure between the plug and the socket 4 to prevent the connector from being disconnected accidentally. The plug is inserted or pulled out under no load. The conductor contact part between the plug and the socket 4 adopts a contact finger structure, so that the stable and reliable connection of the conductors is ensured. When encountering an upstream power supply system fault and being incapable of providing electric energy for downstream electric equipment, the cabinet door is opened, and the emergency electric car is connected with the socket 4 on the distribution box through the plug matched with the emergency electric car, so that the emergency electric car can temporarily supply power to the downstream equipment through the JP cabinet.
The connector socket 4 is provided with a protective cover which is pressed by a spring with a hinge, so that dust and splash water can be prevented from entering. The protection cover is respectively in red, yellow, blue and green colors according to different phases so as to prevent the misplug of the plug and socket 4. The protective cover and the socket 4 are arranged in a split type. The socket 4 is universal allowing for the use of plugs of different current levels for the inter-plug application with the socket 4.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would be considered to be within the scope of the utility model without inventive faculty.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421435182.0U CN222868371U (en) | 2024-06-22 | 2024-06-22 | A distribution box capable of quickly restoring power supply using an emergency power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421435182.0U CN222868371U (en) | 2024-06-22 | 2024-06-22 | A distribution box capable of quickly restoring power supply using an emergency power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222868371U true CN222868371U (en) | 2025-05-13 |
Family
ID=95610552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421435182.0U Active CN222868371U (en) | 2024-06-22 | 2024-06-22 | A distribution box capable of quickly restoring power supply using an emergency power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222868371U (en) |
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2024
- 2024-06-22 CN CN202421435182.0U patent/CN222868371U/en active Active
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