CN214411844U

CN214411844U - Redundant power supply low-voltage cabinet

Info

Publication number: CN214411844U
Application number: CN202120302888.XU
Authority: CN
Inventors: 李旋; 韦玉霞; 王涛; 王超; 黄晓洪
Original assignee: Tianjin Jintonghua Electrical Equipment Co ltd
Current assignee: Tianjin Jintonghua Electrical Equipment Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-15
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to a redundant power supply low-voltage cabinet, including the low-voltage cabinet body, the left side wall and right side wall lower part one side of low-voltage cabinet body all are equipped with the decurrent fish scale hole of opening, radiator fan is installed to low-voltage cabinet body roof, be equipped with a plurality of I-shaped reinforcements in the heat dissipation cavity, the laminating of the outside of low-voltage cabinet body has a plurality of heat dissipation silica gel pads, the opposite side laminating of heat dissipation silica gel pad has the fin, it has the female connecting wire that allies oneself with that is used for redundant power supply to link between a generating line and No. two generating lines, install a circuit breaker and a current transformer on the female connecting wire that allies oneself with, install moulded case switch and No. two current transformer on the outgoing line. The reinforcing piece in the heat dissipation cavity of the utility model can improve the shock resistance of the utility model; the utility model discloses good heat dissipation, and then improved the utility model discloses a life. In addition, female antithetical couplet connecting wire and a circuit breaker cooperation work have realized the utility model discloses a redundant power supply, the utility model discloses need not the outage when overhauing, convenience of customers uses.

Description

Redundant power supply low-voltage cabinet

Technical Field

The utility model relates to a low-voltage board technical field especially relates to a redundant power supply low-voltage board.

Background

The low-voltage cabinet is a device for distributing, controlling, calculating and connecting cables in an electric power supply system. The low-voltage cabinet in the prior art has poor impact resistance and poor heat dissipation effect; the low-voltage cabinet needs to be powered off when being overhauled, so that the use of a user is influenced.

Disclosure of Invention

The utility model discloses aim at solving prior art not enough, and provide a redundant power supply low-voltage cabinet.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a redundant power supply low-voltage cabinet comprises a low-voltage cabinet body, wherein communicated heat dissipation cavities are arranged on the left side wall, the top wall, the right side wall and the rear side wall of the low-voltage cabinet body, fish scale holes with downward openings are formed in one side of the lower portion of the left side wall and the lower portion of the right side wall of the low-voltage cabinet body, the fish scale holes are communicated with the heat dissipation cavities, a heat dissipation fan is installed on the top wall of the low-voltage cabinet body and used for discharging hot gas in the heat dissipation cavities, a plurality of I-shaped reinforcing members are arranged in the heat dissipation cavities, a plurality of heat dissipation silica gel pads are attached to the outer side of the low-voltage cabinet body, a heat dissipation sheet is attached to the other side of each heat dissipation silica gel pad and fixed on the side wall of the low-voltage cabinet body through a plurality of screws, a switch door is installed on the front side wall of the low-voltage cabinet body, a first bus and a second bus are installed in the low-voltage cabinet body, and a bus connection line for redundant power supply is connected between the first bus and the second bus, install a circuit breaker and a current transformer on the female coupling connecting wire, the one end that the female coupling connecting wire was kept away from to bus one even has the total of receiving No. one, the power supply end that receives the total even has the low voltage side of a transformer, the one end that the female coupling connecting wire was kept away from to bus two even has the total of receiving No. two, receive total other end even has the low voltage side of No. two transformers two, all the articulated condenser on bus one and No. two buses, and all the articulated a plurality of electric wires that go out on bus one and No. two buses, install isolator on the electric wire, the electric wire other end even has a plurality of electric wire branches that go out, the other end of electric wire branch even has an electric terminal that goes out, install moulded case switch and No. two current transformer on the electric wire branch that goes out.

The reinforcing member is fixedly connected with the inner wall of the heat dissipation cavity.

The bottom surface of the low-voltage cabinet body is connected with a plurality of supporting legs.

The radiating fins are radiating aluminum sheets.

No. one receives No. two and receives the always and all is equipped with No. three current transformer and No. four current transformer, and even has distribution monitor terminal (TTU module) on No. four current transformer, and distribution monitor terminal passes through wireless transmission with data transfer to the electric wire netting backstage.

A first number of receives and all installs lightning protector on the second number of receives.

The first number of the receivers and the second number of the receivers are all provided with a second circuit breaker.

The utility model has the advantages that: the reinforcing piece in the heat dissipation cavity of the utility model can improve the shock resistance of the utility model; radiator fan, heat dissipation cavity, fish scale hole, heat dissipation silica gel pad and fin cooperation work are preventing that dust from getting into the utility model discloses in, be favorable to the utility model discloses the heat dissipation, and then improved the utility model discloses a life. In addition, No. one transformer gives a generating line power supply, and No. two transformers give No. two generating line power supplies, and female antithetical couplet connecting wire and a circuit breaker cooperation work have realized the utility model discloses a redundant power supply, the utility model discloses need not the outage when overhauing, convenience of customers uses.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the reinforcement and the low-voltage cabinet body;

fig. 3 is a circuit diagram of the present invention;

in the figure: 1-a low-voltage cabinet body; 2-heat dissipation cavity; 3-fish scale holes; 4-a heat dissipation fan; 5-a reinforcement; 6-heat dissipation silica gel pad; 7-a heat sink; 8-opening and closing the door; 9-bus bar number one; 10-bus bar II; 11-bus tie lines; 12-circuit breaker number one; 13-current transformer number one; 14-number one is totaled; 15-transformer number one; 16-total of the second group; 17-transformer number two; 18-a capacitor; 19-outgoing wire; 20-an isolating switch; 21-outgoing line splitting; 22-a molded case switch; 23-an electrical outlet terminal; 24-current transformer II; 25-a leg; 26-a third current transformer; 27-fourth current transformer; 28-a lightning protector;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1 to 3, a redundant power supply low voltage cabinet comprises a low voltage cabinet body 1, a left side wall, a top wall, a right side wall and a rear side wall of the low voltage cabinet body 1 are provided with communicated heat dissipation cavities 2, one side of the lower parts of the left side wall and the right side wall of the low voltage cabinet body 1 is provided with scale holes 3 with downward openings, the scale holes 3 are communicated with the heat dissipation cavities 2, the top wall of the low voltage cabinet body 1 is provided with a heat dissipation fan 4, the heat dissipation fan 4 is used for discharging hot gas in the heat dissipation cavities 2, a plurality of i-shaped reinforcing members 5 are arranged in the heat dissipation cavities 2, the outer side of the low voltage cabinet body 1 is attached with a plurality of heat dissipation silica gel pads 6, the other side of the heat dissipation silica gel pads 6 is attached with a heat dissipation fin 7, the heat dissipation fin 7 is fixed on the side wall of the low voltage cabinet body 1 through a plurality of screws, a switch door 8 is arranged on the front side wall of the low voltage cabinet body 1, a first bus 9 and a second bus 10 are arranged in the low voltage cabinet body 1, a bus-bar connecting wire 11 for redundant power supply is connected between the first bus-bar 9 and the second bus-bar 10, a first circuit breaker 12 and a first current transformer 13 are installed on the bus-bar connecting wire 11, one end of the first bus-bar 9, which is far away from the bus-bar connecting wire 11, is connected with a first receiving bus 14, the power supply end of the first receiving bus 14 is connected with the low-voltage side of a first transformer 15, one end of the second bus-bar 10, which is far away from the bus-bar connecting wire 11, is connected with a second receiving bus 16, the other end of the second receiving bus 16 is connected with the low-voltage side of a second transformer 17, capacitors 18 are respectively hung on the first bus-bar 9 and the second bus-bar 10, and a plurality of outgoing wires 19 are hung on the first bus 9 and the second bus 10, an isolating switch 20 is installed on the outgoing wires 19, the other end of the outgoing wires 19 is connected with a plurality of outgoing wire branches 21, the other end of the outgoing wire branches 21 is connected with an outgoing terminal 23, and a plastic shell switch 22 and a second current transformer 24 are installed on the outgoing wire branches 21.

The reinforcing member 5 is fixedly connected with the inner wall of the heat dissipation cavity 2.

The bottom surface of the low-voltage cabinet body 1 is connected with a plurality of supporting legs 25.

The radiating fins 7 are radiating aluminum sheets.

No. one receives and all is equipped with No. three current transformer 26 and No. four current transformer 27 on total 14 and No. two receive 16, and even has the distribution monitor terminal on No. four current transformer 27, and the distribution monitor terminal passes through wireless transmission with data transfer power grid backstage, the monitoring of the power grid staff to the power consumption condition of being convenient for.

The first and

second receivers

14 and 16 are both provided with lightning protection devices 28.

The first and

second receivers

14 and 16 are provided with second breakers.

The utility model discloses the during operation, the utility model discloses reinforcement 5 in the heat dissipation cavity 2 is guaranteeing the utility model discloses radiating while, has improved the utility model discloses an impact resistance; radiator fan 4, heat dissipation cavity 2, fish scale hole 3, heat dissipation silica gel pad 6 and fin 7 cooperation work, are preventing that dust from getting into the utility model discloses in the time, be favorable to the utility model discloses the heat dissipation, and then improved the utility model discloses a life. In addition, No. one transformer 15 supplies power for a generating line 9, and No. two transformers 17 supplies power for No. two generating lines 10, and female antithetical couplet connecting wire 11 and a circuit breaker 12 cooperation work have realized the utility model discloses a redundant power supply, the utility model discloses need not the outage when overhauing, convenience of customers uses.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A redundant power supply low-voltage cabinet comprises a low-voltage cabinet body (1) and is characterized in that a communicated heat dissipation cavity (2) is arranged on the left side wall, the top wall, the right side wall and the rear side wall of the low-voltage cabinet body (1), fish scale holes (3) with downward openings are formed in one side of the lower portion of the left side wall and one side of the lower portion of the right side wall of the low-voltage cabinet body (1), the fish scale holes (3) are communicated with the heat dissipation cavity (2), a heat dissipation fan (4) is installed on the top wall of the low-voltage cabinet body (1), the heat dissipation fan (4) is used for discharging hot gas in the heat dissipation cavity (2), a plurality of I-shaped reinforcing members (5) are arranged in the heat dissipation cavity (2), a plurality of heat dissipation silica gel pads (6) are attached to the outer side of the low-voltage cabinet body (1), a heat dissipation fin (7) is attached to the other side of the heat dissipation silica gel pads (6), and the heat dissipation fin (7) is fixed on the side wall of the low-voltage cabinet body (1) through a plurality of screws, a switch door (8) is installed on the front side wall of a low-voltage cabinet body (1), a first bus (9) and a second bus (10) are installed in the low-voltage cabinet body (1), a bus connection line (11) for redundant power supply is connected between the first bus (9) and the second bus (10), a first circuit breaker (12) and a first current transformer (13) are installed on the bus connection line (11), a first receiving bus (14) is connected to one end, away from the bus connection line (11), of the first bus (9), the power supply end of the first receiving bus (14) is connected with the low-voltage side of a first transformer (15), a second receiving bus (16) is connected to one end, away from the bus connection line (11), of the second bus (10), the other end of the second receiving bus (16) is connected with the low-voltage side of a second transformer (17), capacitors (18) are connected to the first bus (9) and the second bus (10), and a plurality of wires (19) are connected to the first bus (9) and the second bus (10), the isolating switch (20) is installed on the outgoing line (19), the other end of the outgoing line (19) is connected with a plurality of outgoing line branches (21), the other end of the outgoing line branch (21) is connected with an outgoing terminal (23), and the outgoing line branch (21) is provided with a plastic shell switch (22) and a second current transformer (24).

2. The redundantly supplied low voltage cabinet according to claim 1, characterized in that the reinforcement (5) is fixedly connected to the inner wall of the heat dissipation cavity (2).

3. The low-voltage cabinet with redundant power supply according to claim 2, characterized in that a plurality of support legs (25) are connected to the bottom surface of the low-voltage cabinet body (1).

4. The redundantly powered low voltage cabinet according to claim 1, characterized in that the heat sink (7) is a heat sink aluminum sheet.

5. The redundant power supply low-voltage cabinet according to claim 1, characterized in that a third current transformer (26) and a fourth current transformer (27) are arranged on the first slave bus (14) and the second slave bus (16), a power distribution monitoring terminal is connected to the fourth current transformer (27), and the power distribution monitoring terminal transmits data to a power grid background through wireless transmission.

6. The low-voltage cabinet with redundant power supply according to claim 5, characterized in that a lightning protector (28) is installed on each of the first slave unit (14) and the second slave unit (16).

7. The redundantly supplied low voltage cabinet according to claim 6, characterized in that a second circuit breaker is mounted on both the first slave bus (14) and the second slave bus (16).