CN212210276U - Magnetic coupling type distribution network mechanical load switch cabinet - Google Patents

Abstract

The utility model discloses a net mechanical type load switch cabinet is joined in marriage to magnetic coupling type, it includes the cabinet body, the cabinet body is including device room, valve chamber and handcart room, the device room is located the top of valve chamber, the handcart room is located the side of device room and valve chamber, be provided with the magnetic coupling trigger circuit in the device room, be provided with branch road and magnetic coupling reactor in the valve chamber, it can pass in and out in the valve chamber to shift the branch road, the top at the branch road is fixed in shifting to the magnetic coupling reactor, magnetic coupling trigger circuit and magnetic coupling reactor pass through the copper bar and link to each other, indoor quick switch handcart and the contact box of being provided with of handcart, the quick switch handcart pushes away the handcart indoor and pegs graft with the contact box. The utility model provides a net mechanical type load switch cabinet is joined in marriage to magnetic coupling type, its simple structure is compact, and assembly and later maintenance are convenient.

Description

Magnetic coupling type distribution network mechanical load switch cabinet

Technical Field

The utility model relates to a net mechanical type load switch cabinet is joined in marriage to magnetic coupling type.

Background

At present, with the development of a direct-current power supply (a distributed power supply and an energy storage technology) and a direct-current load (different types of loads such as an electric vehicle and the like are connected in a grid), the development of a direct-current power distribution technology is promoted in recent years. Compared with alternating current power distribution, the direct current power distribution technology has the characteristics of large transmission power, small power loss, asynchronous operation, high power supply reliability and the like. The on-off current of the 10kV direct current load switch is direct current and has no natural zero crossing point, so when the rated current is switched off, the zero crossing point needs to be artificially created to realize arc extinction and complete the on-off of the rated current. At present, a scheme based on rapid switch opening and magnetic coupling coil coupling current for current transfer and forming a load switch cabinet is a feasible scheme.

The +/-10 kV direct-current load switch cabinet is used as key equipment in a medium-low voltage direct-current power distribution and utilization system, is electrical equipment between a direct-current circuit breaker and a disconnecting switch, has a simple arc extinguishing function, and can cut off rated load current and certain overload current. But the current load switch cabinet structure is complicated, and assembly and maintenance are loaded down with trivial details, bring very big inconvenience for production and later maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art not enough, provide a net mechanical type load switch cabinet is joined in marriage to the magnetic coupling type, its simple structure is compact, and assembly and later maintenance are convenient.

In order to solve the technical problem, the technical scheme of the utility model is that: provide for

The utility model provides a net mechanical type load switch cabinet is joined in marriage to magnetic coupling type, it includes the cabinet body, the cabinet body includes device room, valve chamber and handcart room, the device room is located the top of valve chamber, the handcart room is located the side of device room and valve chamber, the indoor magnetic coupling trigger circuit that is provided with of device, be provided with in the valve chamber and shift branch road and magnetic coupling reactor, it can pass in and out at the valve indoor business turn over to shift the branch road, the magnetic coupling reactor is fixed at the top of shifting the branch road, magnetic coupling trigger circuit and magnetic coupling reactor pass through the copper bar and link to each other, the indoor quick switch handcart and the contact box of being provided with of handcart, the quick switch handcart is pushed into the handcart.

Further, the fast switch handcart includes fast switch, trigger circuit and handcart, fast switch and trigger circuit pass through the screw mounting on the handcart, the handcart bottom is provided with the handcart gyro wheel, be provided with on the lateral wall of handcart room with the gliding handcart guide rail of handcart gyro wheel cooperation, the bottom of handcart is provided with handle (124).

Furthermore, a separation knife is further fixed in the handcart room.

Further, the top of the transfer branch is connected with the magnetic coupling reactor through a first insulator.

Further, the bottom of the transfer branch is connected with a base through a second insulator, universal wheels are arranged at the bottom of the base, and guide rails matched with the universal wheels to slide are arranged at the bottom of the valve chamber.

Furthermore, a supporting plate is fixed in the valve chamber, and a lightning arrester is fixed on the supporting plate.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

(1) the utility model discloses an optimize quick switch, trigger circuit's size and structure for both can the whole assembly on the handcart, make things convenient for trigger circuit, quick switch business turn over cabinet body, also made things convenient for the maintenance in installation and later stage simultaneously.

(2) The utility model discloses an at branch road bottom installation universal wheel that shifts, at cabinet body bottom installation guided way simultaneously, conveniently shift the branch road business turn over cabinet body. Meanwhile, due to the fact that devices on the transfer branch are more, the later-stage maintenance is required to be carried out regularly. Therefore, through universal wheel and guide rail structure, the installation and later maintenance are facilitated.

(3) The utility model discloses a separately install magnetic coupling reactor and magnetic coupling trigger circuit, the magnetic coupling reactor is installed on shifting branch road upper portion, and the magnetic coupling trigger circuit is installed in the device room, through copper bar interconnect in the middle of both, has both made things convenient for the installation to overhaul, has saved cabinet body space again for cabinet body structure is compacter.

(4) The utility model discloses a with the arrester preinstallation in the backup pad, through the hole site of having opened in advance on the cabinet body, integral erection is on the cabinet body, and easy to assemble makes things convenient for later stage maintenance again promptly.

(5) The utility model discloses a rationally arrange branch road, quick switch handcart, magnetic coupling discharge circuit for load switch cabinet's whole is arranged and is satisfied size compactest under the prerequisite of electrical requirement.

Drawings

Fig. 1 is a perspective view of a magnetic coupling type distribution network mechanical load switch cabinet of the present invention;

fig. 2 is a front view of the magnetic coupling type distribution network mechanical load switch cabinet of the present invention;

fig. 3 is a back view of the magnetic coupling type distribution network mechanical load switch cabinet of the present invention;

fig. 4 is a perspective view of the fast switch handcart of the utility model;

fig. 5 is a rear view of the valve housing of the present invention;

fig. 6 is a right side view of fig. 2.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1 to 6, a magnetic coupling type distribution network mechanical load switch cabinet includes a cabinet body 11, the cabinet body 11 includes a device chamber 111, a valve chamber 112 and a handcart chamber 113, the device chamber 111 is located above the valve chamber 112, the handcart chamber 113 is located on the side surfaces of the device chamber 111 and the valve chamber 112, a magnetic coupling trigger circuit 3 is arranged in the device chamber 111, a transfer branch 2 and a magnetic coupling reactor 4 are arranged in the valve chamber 112, the transfer branch 2 can enter and exit in the valve chamber 112, the magnetic coupling reactor 4 is fixed on the top of the transfer branch 2, the magnetic coupling trigger circuit 3 is connected with the magnetic coupling reactor 4 through a copper bar, and the magnetic coupling trigger circuit 3 and the magnetic coupling reactor 4 form a magnetic coupling discharge. To save space and facilitate assembly and maintenance, the magnetic coupling trigger circuit 3 is installed in the device chamber 111. The magnetic coupling reactor 4 is installed on the transfer branch 2 through the insulator 9, so that the potential isolation of the magnetic coupling trigger circuit 3 and the magnetic coupling reactor 4 is realized, and during assembly, the magnetic coupling reactor 4 is installed on the transfer branch 2 in advance and then enters and exits the valve chamber 112 along with the transfer branch 2. A rapid switch handcart 1 and a contact box 14 are arranged in the handcart chamber 113, and the contact box 14 is inserted after the rapid switch handcart 1 is pushed into the handcart chamber 113.

As shown in fig. 2, 4 and 6, the rapid switch handcart 1 comprises a rapid switch 12, a trigger circuit 13 and a handcart 121, the rapid switch 12 and the trigger circuit 13 are mounted on the handcart 121 through screws, handcart rollers 122 are arranged at the bottom of the handcart 121, a handcart guide rail 123 matched with the handcart rollers 122 to slide is arranged on the side wall of the handcart room 113, a handle 124 is arranged at the bottom of the handcart 121, and therefore the rapid switch handcart 1 can conveniently enter and exit from the cabinet body, and is convenient to mount, overhaul and maintain. The pair of contact fingers 125 on the fast switch 12 is inserted into the pair of contact boxes 14, and the contact boxes 14 are connected with the transfer branch circuit 2 through copper bars, so that the fast switch 12 is connected with the transfer branch circuit 2 in parallel. The utility model discloses a magnetic coupling discharge circuit creates the zero crossing by oneself to rated direct current is cut off fast through fast switch 12, has simple arc extinguishing function, can cut off rated load current and certain overcurrent.

As shown in fig. 3, the isolation knife 15 is directly fixed in the handcart room 113 through screws, and the isolation knife 15 is used for maintenance grounding.

As shown in fig. 2, the top of the transfer leg 2 is connected to the magnetic coupling reactor 4 through a first insulator 9.

As shown in fig. 2, the bottom of the transfer branch 2 is connected to a base 21 through a second insulator 6, the bottom of the base 21 is provided with a universal wheel 7, and a guide rail 8 which is matched with the universal wheel 7 to slide is fixedly connected to the valve chamber 112 through a screw, so that the transfer branch 2 can conveniently enter and exit the valve chamber 112, and installation, maintenance and repair are facilitated.

As shown in fig. 2 and 3, a support plate 10 is fixed in the valve chamber 112 by screws, a lightning arrester 5 is fixed on the support plate 10, and the lightning arrester 5 and the support plate 10 are installed outside the back surface of the valve chamber 112 as a whole, so that the installation and the maintenance are convenient.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a net mechanical type load switch cabinet is joined in marriage to magnetic coupling type which characterized in that: it comprises a cabinet body (11), wherein the cabinet body (11) comprises a device chamber (111), a valve chamber (112) and a handcart chamber (113), the device chamber (111) is positioned above the valve chamber (112), the handcart chamber (113) is positioned on the side surfaces of the device chamber (111) and the valve chamber (112), a magnetic coupling trigger loop (3) is arranged in the device chamber (111), a transfer branch (2) and a magnetic coupling reactor (4) are arranged in the valve chamber (112), the transfer branch (2) can enter and exit in the valve chamber (112), the magnetic coupling reactor (4) is fixed at the top of the transfer branch (2), the magnetic coupling trigger circuit (3) is connected with the magnetic coupling reactor (4) through a copper bar, a rapid switch handcart (1) and a contact box (14) are arranged in the handcart chamber (113), the rapid switch handcart (1) is pushed into a handcart chamber (113) and is inserted into the contact box (14).

2. The magnetic coupling type distribution network mechanical load switch cabinet of claim 1, characterized in that: quick-switch handcart (1) includes quick-switch (12), trigger circuit (13) and handcart (121), quick-switch (12) and trigger circuit (13) are installed on handcart (121) through the screw, handcart (121) bottom is provided with handcart gyro wheel (122), be provided with on the lateral wall of handcart room (113) with the gliding handcart guide rail (123) of handcart gyro wheel (122) cooperation, the bottom of handcart (121) is provided with handle (124).

3. The magnetic coupling type distribution network mechanical load switch cabinet of claim 1, characterized in that: a separation knife (15) is also fixed in the handcart room (113).

4. The magnetic coupling type distribution network mechanical load switch cabinet of claim 1, characterized in that: the top of the transfer branch (2) is connected with the magnetic coupling reactor (4) through a first insulator (9).

5. The magnetic coupling type distribution network mechanical load switch cabinet of claim 1, characterized in that: the bottom of the transfer branch (2) is connected with a base (21) through a second insulator (6), a universal wheel (7) is arranged at the bottom of the base (21), and a guide rail (8) which is matched with the universal wheel (7) to slide is arranged at the bottom of the valve chamber (112).

6. The magnetic coupling type distribution network mechanical load switch cabinet of claim 1, characterized in that: a support plate (10) is fixed in the valve chamber (112), and a lightning arrester (5) is fixed on the support plate (10).

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