CN219535295U

CN219535295U - JP switch board

Info

Publication number: CN219535295U
Application number: CN202223232396.1U
Authority: CN
Inventors: 韦佳鹏; 李浩浩
Original assignee: Anhui Pengyao Electric Co ltd
Current assignee: Anhui Pengyao Electric Co ltd
Priority date: 2022-12-04
Filing date: 2022-12-04
Publication date: 2023-08-15
Anticipated expiration: 2032-12-04

Abstract

The utility model discloses a JP power distribution cabinet which comprises a cabinet body, wherein at least a compensation chamber, a metering chamber and a wire inlet chamber are arranged on the cabinet body, a top cover is arranged at the top of the cabinet body, a cable is connected with the input end of a metering current transformer arranged in the cable through the wire inlet chamber, and the output end of the metering current transformer is connected with a three-phase busbar in the wire inlet chamber. The beneficial effects are that: when accidents such as burning of the load switch or explosion of the capacitor occur, the module structure avoids the expansion of the fault range, and the adjacent electric elements are not affected, so that the loss is reduced in economic benefit, and the safety performance of the whole cabinet body is improved. When maintaining or changing the device, only need to carry out simple change with every solitary intelligent capacitor module, simple swift has reduced the rush repair time.

Description

JP switch board

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a JP power distribution cabinet.

Background

The JP block terminal is a kind of collection electric energy distribution, measurement, protection, control, reactive compensation in the novel integrated control box of an organic whole. The structure mainly comprises: the cabinet body comprises a compensation chamber, a metering chamber and a wire inlet chamber.

The consumers of the power system produce reactive power when in use, which is typically inductive, which reduces the capacity usage efficiency of the power supply and is improved by adding capacitance to the system as appropriate. Usually, JP cabinets are provided with compensation chambers, which have the effect of adding capacitance to the system according to the requirements so as to increase the use efficiency of the power supply. At present, the capacitor and the compound switch in the compensation chamber are directly and densely arranged on the mounting plate, and in an open environment, if the capacitor and the compound switch are burnt or burst and other faults, the fault range is enlarged, so that the economic loss is increased. In addition, the operation in a narrow cabinet is required during installation, maintenance and replacement of parts, and the operation is complicated.

Disclosure of Invention

The utility model aims to provide the JP power distribution cabinet, which is characterized in that a capacitor with relatively high failure rate and a synchronous switch are assembled into a module structure, and the module structure avoids the expansion of a failure range, does not influence adjacent electric elements, and increases the safety performance of the whole cabinet body; when maintaining or changing the device, only need to change each individual intelligent capacitor module alone, it is swift simple.

The technical scheme of the utility model is realized as follows:

the utility model provides a JP switch board, includes the cabinet body, be provided with compensation room, measurement room and inlet wire room on the cabinet body at least, the top of the cabinet body is equipped with the top cap, and the cable passes through the inlet wire room and is connected with its internally mounted's measurement current transformer's input, measurement current transformer's output is connected with the female row of three-phase in the inlet wire room.

The three-phase busbar is connected with an upper port of the knife-type fusing isolating switch through a copper bar, a lower port of the knife-type fusing isolating switch is connected with an input end of a current transformer, an output end of the current transformer is connected with an input end of a reclosing circuit breaker through the copper bar, one end of the reclosing circuit breaker is connected with an input end of a molded case circuit breaker, an output end of the molded case circuit breaker is connected with an intelligent capacitor module installed in a compensation chamber, the other end of the reclosing circuit breaker is connected with a fuse, the fuse is connected with a surge protector through a wire, and the other end of the surge protector is grounded.

Further, the intelligent capacitor module comprises a first capacitor circuit, a second capacitor circuit and a third capacitor circuit, and the first capacitor circuit, the second capacitor circuit and the third capacitor circuit are respectively connected with the output end of the reclosing circuit breaker.

Further, the first capacitor circuit, the second capacitor circuit and the third capacitor circuit each comprise a synchronous switch and a capacitor which are connected in series, and the synchronous switch is connected with the output end of the reclosing circuit breaker.

Further, the first capacitor circuit, the second capacitor circuit and the third capacitor circuit are all connected with the lightning arrester.

Furthermore, a plurality of hanging rings are arranged on two sides of the top cover at the top of the cabinet body through welded angle irons.

Further, cable channels are arranged on the side surfaces of the compensation chamber and the incoming line chamber.

The beneficial effects of the utility model are as follows:

(1) When accidents such as burning of the load switch or explosion of the capacitor occur, the module structure avoids the expansion of the fault range, and the adjacent electric elements are not affected, so that the loss is reduced in economic benefit, and the safety performance of the whole cabinet body is improved.

(2) When maintaining or replacing the device, each independent intelligent capacitor module is simply replaced, the operation can be completed without wiring, the operation is simple and quick, and the rush repair time is reduced; meanwhile, when the capacity is expanded in the compensation chamber, for the JP cabinet using the modularization, the compensation chamber is not required to be modified, the number of the intelligent capacitors and the modules can be directly increased to finish the operation, the on-site rectification is convenient, and the reconstruction cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a JP power distribution cabinet;

fig. 2 is an internal schematic view of a JP power distribution cabinet;

fig. 3 is a right side view of a JP power distribution cabinet;

fig. 4 is a left side view of a JP power distribution cabinet;

fig. 5 is a circuit diagram of a JP power distribution cabinet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

According to an embodiment of the present utility model, there is provided a JP power distribution cabinet.

Referring to fig. 1-5, the JP power distribution cabinet according to the embodiment of the utility model comprises a cabinet body 1, wherein at least a compensation chamber 2, a metering chamber 3 and a wire inlet chamber 4 are arranged on the cabinet body 1, a top cover 5 is arranged at the top of the cabinet body 1, a cable is connected with an input end of a metering current transformer 6 installed inside the cabinet body through the wire inlet chamber 4, and an output end of the metering current transformer 6 is connected with a three-phase busbar 7 in the wire inlet chamber.

The three-phase busbar 7 is connected with an upper port of the knife-type fusing isolating switch 8 through a copper bar, a lower port of the knife-type fusing isolating switch 8 is connected with an input end of the current transformer 9, an output end of the current transformer 9 is connected with an input end of the reclosing circuit breaker 10 through a copper bar, one end of the reclosing circuit breaker 10 is connected with an input end of the molded case circuit breaker 11, an output end of the molded case circuit breaker 11 is connected with an intelligent capacitor module installed in the compensation chamber 2, the other end of the reclosing circuit breaker 10 is connected with a fuse 12, the fuse 12 is connected with a surge protector 13 through a wire, and the other end of the surge protector 13 is grounded.

Further, the intelligent capacitor module includes a first capacitor circuit 14, a second capacitor circuit 15 and a third capacitor circuit 16, and the first capacitor circuit 14, the second capacitor circuit 15 and the third capacitor circuit 16 are respectively connected with the output terminal of the reclosing circuit breaker 10.

Further, the first capacitor circuit 14, the second capacitor circuit 15 and the third capacitor circuit 16 each comprise a synchronous switch 17 and a capacitor 18 connected in series, and the synchronous switch 17 is connected to an output terminal of the reclosing circuit breaker 10.

Further, the first capacitor circuit 14, the second capacitor circuit 15 and the third capacitor circuit 16 are all connected to a lightning arrester 19.

Furthermore, a plurality of hanging rings 20 are arranged on two sides of the top cover 5 at the top of the cabinet body 1 through welded angle irons.

Further, the sides of the compensation chamber 2 and the incoming line chamber 4 are provided with cable channels 21.

Specifically, as shown in fig. 1, at least a compensation chamber 2, a metering chamber 3 and a wire inlet chamber 4 are arranged on the cabinet body 1, and as each part is independent, the fault can be prevented from being expanded from one part to the other. The incoming cable is led in from the cable channel 21 on the side, and the electrical element of the cabinet body 1 is reasonable and firm to install and convenient to install and maintain.

As shown in fig. 2, an intelligent capacitor module is installed in the compensation chamber 2, and the intelligent capacitor module is connected with the output end of the reclosing circuit breaker 10, so that single-compatibility reactive-division compensation, three-compatibility reactive-division compensation and inter-compatibility reactive-division compensation can be provided for the system according to actual needs, so as to meet various compensation requirements, which are the prior art and are not described in detail herein.

In addition, the intelligent capacitor module in the compensation chamber 2 forms an upper bin and a lower bin through the capacitor mounting plates, and intelligent capacitor modules of different models can be mounted and fixed.

In addition, the kilowatt-hour meter 22 and the intelligent fusion terminal 23 are arranged in the metering chamber 3, the intelligent fusion terminal 23 can collect various data in real time and analyze the running state of the equipment on site so as to realize the real-time monitoring, fault studying and judging, fault predicting, running state analyzing and the like of the equipment; when the electrical appliance fails, the on-off of the circuit can be remotely controlled through the intelligent fusion terminal.

As shown in fig. 5, which is a system installation diagram of each electrical component in the cabinet 1, the intelligent capacitor module includes a first capacitor circuit 14, a second capacitor circuit 15 and a third capacitor circuit 16, and the first capacitor circuit 14, the second capacitor circuit 15 and the third capacitor circuit 16 are respectively connected with the output end of the reclosing circuit breaker 10.

The first capacitor circuit 14, the second capacitor circuit 15 and the third capacitor circuit 16 each include a synchronous switch 17 and a capacitor 18 connected in series, the synchronous switch 17 can solve the problem that the capacitor 18 realizes zero switching of the capacitor, no surge impact, no operation overvoltage and high action response speed of the synchronous switch 17 can be operated frequently in the switching process.

The JP switch board of this embodiment is through assembling the relatively higher condenser of fault rate and synchronous switch into modular structure, when taking place accidents such as load switch burns out or condenser burst, because modular structure has avoided the expansion of fault range, can not exert an influence to adjacent electrical components, has not only reduced the loss in economic benefits, has still increased the security performance of whole cabinet body.

When maintaining or replacing the device, each independent intelligent capacitor module is simply replaced, the operation can be completed without wiring, the operation is simple and quick, and the rush repair time is reduced; meanwhile, when the capacity is expanded in the compensation chamber, for the JP cabinet using the modularization, the compensation chamber is not required to be modified, the number of the intelligent capacitors and the modules can be directly increased to finish the operation, the on-site rectification is convenient, and the reconstruction cost is reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a JP switch board, includes the cabinet body (1), be provided with compensation room (2), measuring room (3) and inlet wire room (4) on the cabinet body (1) at least, the top of the cabinet body (1) is equipped with top cap (5), its characterized in that: the cable is connected with the input end of a metering current transformer (6) arranged in the cable inlet chamber (4), and the output end of the metering current transformer (6) is connected with a three-phase busbar (7) in the cable inlet chamber;

the three-phase busbar (7) is connected with an upper port of a knife-type fusing isolating switch (8) through a copper bar, a lower port of the knife-type fusing isolating switch (8) is connected with an input end of a current transformer (9), an output end of the current transformer (9) is connected with an input end of a reclosing circuit breaker (10) through the copper bar, one end of the reclosing circuit breaker (10) is connected with an input end of a molded case circuit breaker (11), an output end of the molded case circuit breaker (11) is connected with an intelligent capacitor module arranged in a compensation chamber (2), the other end of the reclosing circuit breaker (10) is connected with a fuse (12), the fuse (12) is connected with a surge protector (13) through a wire, and the other end of the surge protector (13) is grounded.

2. A JP power distribution cabinet according to claim 1, characterized in that the intelligent capacitor module comprises a first capacitor circuit (14), a second capacitor circuit (15) and a third capacitor circuit (16), the first capacitor circuit (14), the second capacitor circuit (15) and the third capacitor circuit (16) being connected with the output of the reclosing circuit breaker (10), respectively.

3. A JP power distribution cabinet according to claim 2, characterized in that the first (14), second (15) and third (16) capacitor circuits each comprise a synchronous switch (17) and a capacitor (18) connected in series, the synchronous switch (17) being connected to the output of the reclosing circuit breaker (10).

4. A JP power distribution cabinet according to claim 2 or 3, characterized in that the first capacitor circuit (14), the second capacitor circuit (15) and the third capacitor circuit (16) are each connected to a lightning arrester (19).

5. The JP power distribution cabinet according to claim 1, characterized in that a plurality of hanging rings (20) are arranged on two sides of a top cover (5) of the cabinet body (1) through welded angle irons.

6. JP power distribution cabinet according to claim 1, characterized in that the sides of the compensation chamber (2) and the inlet chamber (4) are provided with cable channels (21).