Large-current low-voltage power distribution cabinet with quick plug-in electricity taking function
By designing a fast plug-in high-current low-voltage distribution cabinet in the distribution cabinet, using the connection between the frame circuit breaker and the conductive row and power supply of the generator, the problem of the distribution cabinet being unable to work when the mains power is lost, and the large-scale Current transmission and safety improvements.
Patent Information
- Application Number
- CN202420526546.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-03-18
AI Technical Summary
The existing distribution cabinets cannot work normally when the mains power is lost, and there is a large current power withdrawal circuit, which causes the load to be unable to continue to operate.
A fast plug-in high current low voltage distribution cabinet including busbar chamber, circuit breaker chamber and plug-in chamber is designed. The connection is made to the conductive row through the frame circuit breaker, and the power supply is continued when the main power is outage, and non- Magnetic stainless steel plates and strong exhaust air cooling to improve equipment performance and life.
It realizes power supply through the generator during a power outage, ensures that the load continues to operate, improves the ability to transmit high current, and improves safety and service life through eddy current suppression technology and fully insulated power plugs.
Smart Images

Figure CN222301114U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of power distribution cabinets, in particular to a high-current low-voltage power distribution cabinet with quick plug-in power supply. Background Art
[0002] At present, the power distribution cabinet is a cabinet with small current. Firstly, there are not many power supply circuits. Secondly, the existing cabinet will stop working when the mains power is lost, causing the load to be unable to work normally. Utility Model Content
[0003] In order to solve the above problems, the present technical solution provides a high-current low-voltage distribution cabinet with quick plug-in power supply.
[0004] To achieve the above purpose, the technical solution is as follows:
[0005] A high-current low-voltage power distribution cabinet with quick plug-in power supply comprises a cabinet body, wherein a busbar chamber is provided at the upper end of the cabinet body, a circuit breaker chamber is provided in the middle part, and a plug-in chamber is provided at the lower end. A busbar is provided in the busbar chamber, and a frame circuit breaker is provided in the circuit breaker chamber. The frame circuit breaker is electrically connected to the busbar through a first conductive bar. A plug-in interface is provided in the plug-in chamber. The plug-in interface is connected to the frame circuit breaker through a second conductive bar, and the plug-in interface is used for external input power.
[0006] In some embodiments, a partition is further provided in the circuit breaker chamber.
[0007] In some embodiments, a ventilation and heat dissipation cover is provided on the upper end surface of the cabinet.
[0008] The beneficial effects of this application are:
[0009] The present application has multiple sockets in the plug-in room, and the input sockets are connected to the generator car or other power generation devices. When the city power is cut off, the generator car can be used to conduct electric energy. The electric energy reaches the busbar through the second conductive bus, the frame circuit breaker and the first conductive bus, so that the busbar can continue to supply power to the remaining circuits. Since the design of the present cabinet is based on the large cabinet design, the present cabinet can realize large current transmission. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.
[0011] Figure 1 This is a schematic diagram of the structure of the embodiment of the utility model Figure 1 ;
[0012] Figure 2 This is a schematic diagram of the structure of the embodiment of the utility model Figure 2 . DETAILED DESCRIPTION
[0013] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0014] Please refer to Figure 1-2 As shown, a high-current low-voltage power distribution cabinet with quick plug-in power supply includes a cabinet, a busbar chamber is provided at the upper end of the cabinet, a circuit breaker chamber is provided in the middle, and a plug-in chamber is provided at the lower end. A busbar 1 is provided in the busbar chamber, a frame circuit breaker 2 is provided in the circuit breaker chamber, and the frame circuit breaker 2 is electrically connected to the busbar 1 through a first conductive bar 3. A plug-in interface 4 is provided in the plug-in chamber, and the plug-in interface 4 is connected to the frame circuit breaker 2 through a second conductive bar 5. The plug-in interface 4 is used for external input power. Further, a partition 6 is also provided in the circuit breaker chamber. Further, a ventilation and heat dissipation cover 7 is provided on the upper end surface of the cabinet.
[0015] During the production and use of high-current low-voltage switchgear, some vibration and heating problems often occur. This application mainly uses eddy current suppression technology, uses non-magnetic stainless steel plates for the metal partitions through which the main busbar passes and the mounting beams supporting the motherboard, increases the phase spacing to reduce the electric force, and adopts strong exhaust and cooling measures to improve the performance and service life of the equipment.
[0016] The present application is designed with a cable quick plug structure, which is low in cost and easy to operate; the power plug is fully insulated and safe to use.
[0017] When the city power is off, insert the power plug of the generator car into the quick plug interface on the distribution cabinet, start the generator car, and the power of the generator car will supply power to the power lighting of each circuit.
[0018] The power distribution cabinet of the present application is composed of components such as busbar room, circuit breaker room, cable plug-in power supply room, etc.; the upper part is provided with a disconnecting circuit breaker, the lower part is provided with a power supply unit with a large current cable plug connector, the line is input through the cable plug, and the top is provided with a waterproof heat dissipation ventilation cover. The cable plug-in power supply room is separated from the circuit breaker unit by a stainless steel partition. The upper and lower ends of the circuit breaker in the circuit breaker room are separated by a PC board; the circuit breaker room and the busbar room are separated by an insulating resin board.
[0019] 1) Circuit breaker room: full range Ics = 100% Icu, control unit requires current, voltage, power and other measurements, time selectivity, current selectivity, zero arcing function.
[0020] 2) Cable plug-in power supply unit: enclosed with stainless steel plate, with back panel designed at the back of the cabinet, and protection level reaches IP54
[0021] 3) The current of the frame circuit breaker is 6300A, and the current of one power quick-connect plug is 800A. A total of 7 groups can be installed with a current of 5600A;
[0022] 4) Busbar room: There are two sets of busbars running through the top of the cabinet.
[0023] Finally, compared with the traditional cable splicing method, this application solves the time required for splicing cables with high currents and can complete the work of plugging in and drawing power without power outages, avoiding the risk of electric shock and making it safer to use.
[0024] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application. Other principles and basic structures that are the same or similar to those of the present application are within the protection scope of the present application.
Claims
1. A high-current low-voltage power distribution cabinet with quick plug-in power supply, characterized in that: The cabinet comprises a cabinet, wherein a busbar chamber is provided at the upper end, a circuit breaker chamber is provided in the middle, and a plug-in chamber is provided at the lower end. A busbar (1) is provided in the busbar chamber, a frame circuit breaker (2) is provided in the circuit breaker chamber, and the frame circuit breaker (2) is electrically connected to the busbar (1) via a first conductive bar (3). A plug-in interface (4) is provided in the plug-in chamber, and the plug-in interface (4) is connected to the frame circuit breaker (2) via a second conductive bar (5). The plug-in interface (4) is used for external input power.
2. A high-current low-voltage power distribution cabinet with quick plug-in power supply according to claim 1, characterized in that: A partition (6) is also provided in the circuit breaker chamber.
3. A high-current low-voltage power distribution cabinet with quick plug-in power supply according to claim 2, characterized in that: The upper end surface of the cabinet is provided with a ventilation and heat dissipation cover (7).
