CN220253756U

CN220253756U - Limit structure and switch board

Info

Publication number: CN220253756U
Application number: CN202321605553.0U
Authority: CN
Inventors: 刘晓军; 刘洋
Original assignee: Sungrow Energy Storage Technology Co Ltd
Current assignee: Sungrow Energy Storage Technology Co Ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-26
Anticipated expiration: 2033-06-20

Abstract

The utility model provides a limiting structure and a power distribution cabinet. Limit structure includes: a sliding part for sliding translation along the direction in which at least two switches are arranged; and the limiting part is connected with the sliding part, at least part of the limiting part protrudes out of the sliding part, and when the sliding part slides to any one of the at least two switches along the sliding direction of the sliding part, the limiting part can limit the opening and closing actions of all the remaining switches of the at least two switches. The limit structure of the technical scheme can avoid the problem that the switch in the closed state rebounds due to false touch of a user or other personnel.

Description

Limit structure and switch board

Technical Field

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

Background

Currently, a large energy storage system gradually develops from a single power supply mode to a double power supply mode, and the double power supply system is a device arranged on an energy storage power distribution cabinet and provides an auxiliary power supply for the energy storage system. The double-power-supply system comprises a self-power supply, an external power supply and two circuit breakers, wherein the self-power supply is used for supplying power to the energy storage battery in a direct current mode, the external power supply is used for supplying power to the power grid in an alternating current mode, the two circuit breakers are respectively connected with the self-power supply and the external power supply, the two circuit breakers are mutually switched, and a single-path power supply is provided for equipment in the system.

In the prior art, the switching between the self-powered and external power supply is generally realized by manually switching two circuit breakers, and after the manual switching, how to avoid misoperation of the circuit breaker switch so as to prevent rebound of the circuit breaker is a problem to be solved.

Disclosure of Invention

The utility model mainly aims to provide a limiting structure and a power distribution cabinet, and the limiting structure can avoid the problem that a switch in a closed state rebounds due to false touch of a user or other personnel.

In order to achieve the above object, the present utility model provides a limit structure, including: a sliding part for sliding translation along the direction in which at least two switches are arranged; and the limiting part is connected with the sliding part, at least part of the limiting part protrudes out of the sliding part, and when the sliding part slides to any one of the at least two switches along the sliding direction of the sliding part, the limiting part can limit the opening and closing actions of all the remaining switches of the at least two switches.

Further, the limiting part comprises a plurality of limiting pieces which are arranged at intervals along the sliding direction of the sliding part, and at least one limiting piece in the plurality of limiting pieces is configured to be abutted against the switch so as to limit the opening and closing actions of the switch.

Further, the limiting piece comprises a connecting plate and a limiting plate which are connected, the connecting plate is connected with the sliding part, and the connecting plate and the limiting plate are arranged at an included angle, so that the limiting plate protrudes out of the sliding part and can limit the opening and closing actions of the switch.

Further, the limiting piece further comprises an anti-scratch plate which is arranged at an included angle with the limiting plate, and the connecting plate and the anti-scratch plate are respectively connected with two sides of the limiting plate.

Further, a plurality of long holes are formed in the sliding portion at intervals along the sliding direction, the limiting structure further comprises a plurality of fixing pieces used for installing the sliding portion, the plurality of fixing pieces are arranged corresponding to the plurality of long holes, and each fixing piece is in sliding fit with the corresponding long hole.

Further, the limiting structure further comprises a mounting member, and a plurality of locking parts are arranged on the mounting member at intervals along the sliding direction; the sliding portion is provided movably in a sliding direction with respect to the mounting member, and the sliding portion is in locking connection with any one of the plurality of locking portions.

Further, the sliding part comprises a sliding plate and a locking plate which are connected and arranged in an included angle, the mounting member comprises a first mounting plate and a second mounting plate which are connected and arranged in an included angle, and the locking part is arranged on the second mounting plate; the limiting structure further comprises a locking member used for connecting the locking plate and the second mounting plate, and the locking member penetrates through any one of the locking parts on the locking plate and the second mounting plate.

Further, the locking member is a padlock.

Further, the sheet metal is bent to form a sliding part and a limiting part.

According to another aspect of the present utility model, a power distribution cabinet is provided, including a cabinet body, a plurality of switches disposed on the cabinet body, and the above-mentioned limit structure disposed on the cabinet body.

Further, the power distribution cabinet further comprises a protection plate arranged on the cabinet body, the protection plate is grounded, and the limiting structure is positioned on one side, away from the cabinet body, of the protection plate; and/or, the power distribution cabinet further comprises a plurality of power supply systems arranged in the cabinet body, and the plurality of switches are correspondingly and electrically connected with the plurality of power supply systems, wherein the plurality of power supply systems comprise at least one self-powered power supply system and at least one external power supply system.

By applying the technical scheme of the utility model, the limit part can not limit the opening and closing actions of a certain switch, the limit part can limit the opening and closing actions of all the remaining switches, and the limit part is driven to move by the sliding part, so that the position of the limit part can be changed, and the opening and closing actions of the switches at different positions can be limited according to the needs of customers, thus the action of the switch in a closed state can be limited, the problem that the switch in the closed state rebounds due to the false touch of a user or other people is avoided, and the switch in the closed state can be kept in the current state, so that a power supply for supplying power can continuously supply, and the problem of power failure is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural diagram of an embodiment of a power distribution cabinet of the present utility model;

fig. 2 shows an enlarged view of a portion of the power distribution cabinet of fig. 1 (with the self-powered circuit breaker in an open state and the external power circuit breaker in a closed state);

fig. 3 shows an enlarged view of a portion of the power distribution cabinet of fig. 1 (with the self-powered circuit breaker in a closed state and the external power circuit breaker in an open state);

FIG. 4 shows a schematic structural view of one embodiment of the spacing structure of the present utility model;

FIG. 5 shows a schematic diagram of an assembled structure of the sliding portion and the stopper portion of the stopper structure of FIG. 4;

FIG. 6 shows a schematic structural view of the mounting member of the spacing structure of FIG. 4;

FIG. 7 shows a schematic view of another embodiment of the spacing structure of the present utility model;

FIG. 8 shows a schematic structural view of the spacing structure of FIG. 7; and

fig. 9 shows a schematic structural view of the stopper structure of fig. 8.

Wherein the above figures include the following reference numerals:

1. a switch; 2. a cabinet body; 3. a protection plate; 10. a sliding part; 11. a long hole; 12. a locking plate; 20. a limit part; 21. a connecting plate; 22. a limiting plate; 23. scratch-proof plate; 30. a mounting member; 31. a locking part; 32. a second mounting plate; 33. a first mounting plate; 50. a locking member.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment of the utility model provides a limit structure of a dual power supply, which is arranged on a protection plate and used after switching of two paths of auxiliary power supplies of self-power supply and external power supply is completed, and the limit structure can limit the simultaneous opening and closing of a self-power supply breaker and an external power supply breaker, so that the reliability of the two paths of power supplies after switching is ensured, and the simplicity of manual operation is realized.

As shown in fig. 1 to 6, an embodiment of the present utility model provides a limiting structure. The limit structure includes a sliding portion 10 and a limit portion 20 connected to the sliding portion 10. Wherein the sliding part 10 is used for sliding and translating along the direction of at least two switch settings; at least part of the limiting part 20 protrudes out of the sliding part 10, and when the sliding part slides to any one of the at least two switches along the sliding direction of the sliding part, the limiting part can limit the opening and closing actions of the rest all the at least two switches.

In the above technical solution, the limiting portion 20 may not limit the opening and closing actions of a certain switch, and the limiting portion 20 may limit the opening and closing actions of all the remaining switches, and drive the limiting portion 20 to move through the sliding portion 10, so that the position of the limiting portion 20 may be changed, and thus the opening and closing actions of the switches 1 in different positions may be limited according to the needs of the customer, so that the actions of the switches 1 in the closed state may be limited, and the problem that the switches 1 in the closed state rebound due to the false touch of the user or other personnel is avoided, so that the switches 1 in the closed state may be kept in the current state, so that the power supply for supplying power may continuously supply, and the problem of power failure is avoided.

In the embodiment of the present utility model, the sliding portion sliding to any one of the at least two switches in the sliding direction thereof can be opened and closed, that is, the sliding portion 10 slides to a position where any one of the switches is not limited by the limiting portion 20, and the sliding portion 10 can be movably disposed with respect to the cabinet 2, so that the switch 1 capable of opening and closing can be switched to any one of the at least two switches 1, that is, any one of the at least two switches 1 can be freely opened and closed according to the user's needs.

It should be noted that, in the embodiment of the present utility model, the power distribution cabinet includes a plurality of switches 1, the plurality of switches are arranged at intervals along a horizontal direction, and a direction in which at least two switches 1 are arranged refers to a horizontal direction in fig. 2.

It should be noted that, in the embodiment of the present utility model, the switches 1 are circuit breakers, and at least two switches 1 means that the number of the switches 1 may be two, three, or the like.

As shown in fig. 3, in the embodiment of the present utility model, the limiting part 20 includes a plurality of limiting members disposed at intervals along the sliding direction of the sliding part, and at least one of the plurality of limiting members is configured to be capable of abutting against the switch to limit the opening and closing operation of the switch. The structure is simple and convenient to process.

Preferably, in the embodiment of the present utility model, the limiting part 20 is located above the switch 1, and the lower wall surface of the limiting part may abut against the upper surface of the switch.

Preferably, the number of the limiting parts is two, and the limiting structure of the embodiment of the utility model is suitable for a dual-power system.

In one embodiment, as shown in fig. 7 to 9, the number of the limiting members may be four, so as to be suitable for a power system with more than two circuit breakers. It should be noted that the number of the limiting members is not limited to two or four. Thus, compared with the traditional single power supply, the auxiliary power supply of the energy storage system is increased in diversity.

As shown in fig. 2, the self-powered circuit breaker (left-side circuit breaker) is in an open state with one stopper disengaged therefrom, while the external power circuit breaker (right-side circuit breaker) is in a closed state with the other circuit breaker held against it; as shown in fig. 3, after moving the sliding part 10, the user switches the two circuit breakers to opposite states, and then moves the sliding part 10 again, so that the left limiting piece is abutted against the self-powered circuit breaker, and the right limiting piece is abutted against the external power supply circuit breaker, thus, the switching state of the two circuit breakers can be effectively maintained, and the rebound action of the circuit breaker switch after misoperation can be prevented, thereby ensuring that the power distribution cabinet continuously supplies power.

As shown in fig. 3, when the sliding part 10 is at the left side, the self-powered breaker switch is blocked by the limiting member, and the opening and closing actions are limited, and then the external power supply breaker is in a normally closed state, so that the external power supply breaker can manually switch the switch state; as shown in fig. 2, when the sliding portion 10 is on the right side, the self-powered breaker can manually switch the switch state, and the external power supply breaker switch is in the off state due to the limitation, so as to ensure that the dual power supply system of the power distribution cabinet can be freely switched.

As shown in fig. 5, in the embodiment of the present utility model, the limiting member includes a connecting plate 21 and a limiting plate 22, where the connecting plate 21 and the limiting plate 22 are connected, and an included angle is formed between the connecting plate 21 and the sliding portion 10, so that the limiting plate 22 protrudes from the sliding portion 10 and can limit the opening and closing actions of the switch 1.

Through the arrangement, the limiting plate 22 can be protruded relative to the sliding part 10, so that the limiting plate can be conveniently propped against the switch 1 in the closed state, and the problem that the switch 1 in the closed state is rebounded due to misoperation and is powered off is avoided.

As shown in fig. 5, in the embodiment of the present utility model, the limiting member further includes a scratch-proof plate 23 disposed at an angle with respect to the limiting plate 22, and the connecting plate 21 and the scratch-proof plate 23 are respectively connected to two sides of the limiting plate 22. In this way, the scratch-resistant plate 23 can prevent a person from being scratched when switching the switch 1.

As shown in fig. 2, 3 and 5, in the embodiment of the present utility model, the sliding portion 10 is provided with a plurality of long holes 11 spaced along the sliding direction, and the limiting structure further includes a plurality of fixing members for mounting the sliding portion 10, where the plurality of fixing members are disposed corresponding to the plurality of long holes, and each fixing member is slidably engaged with the corresponding long hole 11.

With the above arrangement, the sliding portion 10 can be slidably connected to the cabinet 2 via the fixing member, so that the sliding portion 10 can be moved according to the open/close state of each switch 1, so as to prevent the switch 1 in the closed state from springing back due to incorrect operation.

Preferably, the fixing member is a fastening screw.

As shown in fig. 4 to 6, in the embodiment of the present utility model, the limit structure further includes a mounting member 30 capable of being mounted on the cabinet 2, and a plurality of locking portions 31 are provided on the mounting member 30 at intervals along the sliding direction; the slide portion 10 is provided movably in the sliding direction with respect to the mounting member 30, and the slide portion 10 is lockingly connected with any one of the plurality of locking portions 31.

Through the above arrangement, the position of the sliding part 10 can be fixed, so that the problem that the limiting piece propped against the switch 1 is separated from the switch 1 due to the fact that other people except users move the position of the sliding part 10 is avoided, and the problem that the limiting piece is separated from the switch 1 in a closed state and then the switch 1 is prevented from being in false touch rebound is avoided.

As shown in fig. 4 to 6, in the embodiment of the present utility model, the sliding portion 10 includes a sliding plate and a locking plate 12 which are connected and disposed at an angle, the mounting member 30 includes a first mounting plate 33 and a second mounting plate 32 which are connected and disposed at an angle, the locking portion 31 is disposed on the second mounting plate 32, the first mounting plate 33 is connected with the cabinet 2, and the sliding plate is slidably connected with the cabinet 2; the stopper structure further includes a locking member 50 for connecting the locking plate 12 and the second mounting plate 32, and the locking member 50 is provided to penetrate any one of the locking portions 31 of the locking plate 12 and the second mounting plate 32.

With the above arrangement, both the second mounting plate 32 and the locking plate 12 can be protruded from the cabinet 2, thereby facilitating the locking connection of the second mounting plate 32 and the locking plate 12 by the user using the locking member 50.

Preferably, in the embodiment of the present utility model, the locking portion 31 is a waist hole, and the center-to-center distance between two adjacent waist holes is the maximum distance that the sliding portion 10 can move.

Preferably, in an embodiment of the present utility model, the mounting member 30 is an L-shaped plate.

As shown in fig. 4, in an embodiment of the present utility model, the locking member 50 is a padlock. In this way, it is possible to avoid moving the position of the slide 10 manually.

In one embodiment, the locking member 50 may also be a bolt.

As shown in fig. 5, in the embodiment of the present utility model, the sheet metal is bent to form the sliding portion 10 and the limiting portion 20. Thus, the processing is convenient, and the processing cost is reduced.

As shown in fig. 6, in the embodiment of the present utility model, the mounting member 30 is formed by bending sheet metal.

As shown in fig. 1, an embodiment of the present utility model provides a power distribution cabinet. The power distribution cabinet comprises a cabinet body 2, a plurality of switches 1 arranged on the cabinet body 2 and the limiting structure arranged on the cabinet body 2.

The power distribution cabinet has all the advantages of the limiting structure, and the description is omitted here.

As shown in fig. 1, in the embodiment of the utility model, the power distribution cabinet further includes a protection plate 3 disposed on the cabinet body 2, the protection plate 3 is grounded, and the limit structure is located on one side of the protection plate 3 away from the cabinet body 2. Therefore, when the user uses the limiting structure, the safety of the user can be ensured.

Specifically, in the embodiment of the present utility model, the limit structure is installed on the protection plate 3, and the protection plate 3 provides protection for the circuit breaker.

Specifically, in the embodiment of the present utility model, the power distribution cabinet further includes a plurality of power supply systems disposed in the cabinet body 2, and the plurality of switches 1 are correspondingly electrically connected to the plurality of power supply systems, where the plurality of power supply systems includes at least one self-powered power supply system and at least one external power supply system. In this way, the power supply mode of the power supply system can be switched by closing the changeover switch 1.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: the limiting part can not limit the opening and closing actions of a certain switch, the limiting part can limit the opening and closing actions of all the remaining switches, and the limiting part is driven to move through the sliding part, so that the position of the limiting part can be changed, and the opening and closing actions of the switches at different positions can be limited according to the needs of customers, so that the action of the switch in a closed state can be limited, the problem that the switch in the closed state rebounds due to the false touch of a user or other personnel is avoided, and then the switch in the closed state can be kept in the current state, so that a power supply for supplying power can continuously supply, and the problem of power failure is avoided.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A limit structure, characterized by comprising:

a sliding part (10) for sliding translation along the direction in which at least two switches (1) are arranged;

and the limiting part (20) is connected with the sliding part (10), at least part of the limiting part (20) protrudes out of the sliding part (10), and when the sliding part slides to any one switch (1) of the at least two switches (1) along the sliding direction of the sliding part, the limiting part can limit the opening and closing actions of the rest all the switches (1) of the at least two switches (1).

2. The limit structure according to claim 1, wherein the limit portion (20) includes a plurality of limit pieces provided at intervals along a sliding direction of the sliding portion, at least one of the plurality of limit pieces being configured to be capable of abutting against the switch to limit an opening and closing operation of the switch.

3. The limiting structure according to claim 2, wherein the limiting member comprises a connecting plate (21) and a limiting plate (22) which are connected, the connecting plate (21) is connected with the sliding portion (10), and the connecting plate (21) and the limiting plate (22) are arranged in an included angle, so that the limiting plate (22) protrudes from the sliding portion (10) and can limit the opening and closing actions of the switch (1).

4. A spacing structure according to claim 3, characterized in that the spacing member further comprises a scratch-proof plate (23) arranged at an angle to the spacing plate (22), the connecting plate (21) and the scratch-proof plate (23) being connected to both sides of the spacing plate (22) respectively.

5. The limit structure according to any one of claims 1 to 4, wherein the sliding portion (10) is provided with a plurality of elongated holes (11) arranged at intervals along the sliding direction, and the limit structure further comprises a plurality of fixing pieces for mounting the sliding portion (10), the plurality of fixing pieces being provided in correspondence with the plurality of elongated holes (11), each of the fixing pieces being in sliding engagement with the corresponding elongated hole (11).

6. The limit structure according to any one of claims 1 to 4, further comprising a mounting member (30), wherein a plurality of locking portions (31) are provided on the mounting member (30) at intervals along the sliding direction;

the sliding portion (10) is provided movably in the sliding direction with respect to the mounting member (30), and the sliding portion (10) is lockingly connected with any one of the plurality of locking portions (31).

7. The limit structure according to claim 6, wherein the sliding portion (10) includes a sliding plate and a locking plate (12) connected and disposed at an angle, the mounting member (30) includes a first mounting plate (33) and a second mounting plate (32) connected and disposed at an angle, and the locking portion (31) is disposed on the second mounting plate (32);

the limiting structure further comprises a locking member (50) for connecting the locking plate (12) and the second mounting plate (32), and the locking member (50) is arranged on any one of the locking parts (31) on the locking plate (12) and the second mounting plate (32) in a penetrating mode.

8. The spacing structure according to claim 7, characterized in that the locking member (50) is a padlock.

9. Limit structure according to any one of claims 1 to 4, characterized in that sheet metal is bent to form the sliding portion (10) and the limit portion (20).

10. A power distribution cabinet characterized by comprising a cabinet body (2), a plurality of switches (1) arranged on the cabinet body (2) and a limit structure according to any one of claims 1 to 9 arranged on the cabinet body (2).

11. The power distribution cabinet according to claim 10, further comprising a protection plate (3) arranged on the cabinet body (2), wherein the protection plate (3) is grounded, and the limit structure is located on one side of the protection plate (3) away from the cabinet body (2); and/or the number of the groups of groups,

the power distribution cabinet further comprises a plurality of power supply systems arranged in the cabinet body (2), the switches (1) are correspondingly and electrically connected with the power supply systems, and the power supply systems comprise at least one self-powered power supply system and at least one external power supply system.