Interlocking device for cell chamber of electrical cabinet

By designing an interlocking device in the unit compartment of the electrical cabinet to lock the connecting rod when the circuit breaker is in the closed state, the problem of incorrect operation of the electrical cabinet is solved, safety is improved, and phase short circuits and personal accidents are prevented.

CN120748944APending Publication Date: 2025-10-03NANYANG IND TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202511194139.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-25
Publication Date
2025-10-03

AI Technical Summary

Technical Problem

The existing electrical cabinet unit compartments lack mechanical interlocks with the circuit breakers, which may lead to misoperation when the door is open or closed, causing phase short circuits and personal safety accidents.

Method used

An interlocking device for a cell compartment of an electrical cabinet is designed, which includes a connecting rod, a knob, an interlocking structure, and a telescopic drive device. The interlocking structure locks the connecting rod when the circuit breaker is closed to prevent the knob from driving the connecting rod to rotate. The electrical cabinet cell compartment can only be opened after being unlocked.

Benefits of technology

It effectively prevents misoperation and improves the safety of electrical equipment, especially when the circuit breaker is in the closed state, avoiding phase short circuit and personal safety risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an electrical cabinet cell chamber interlocking device, which comprises a circuit breaker, a connecting rod, a knob and an interlocking structure, the first end of the interlocking connecting rod is inserted into the inner cavity position of the circuit breaker, the knob is connected with the second end of the connecting rod, and the knob rotates to drive the connecting rod to rotate so as to enable the circuit breaker to switch the opening state and the closing state. The interlocking structure is connected with the connecting rod, and the interlocking structure can lock the connecting rod when the circuit breaker is in a closed state, so that the knob cannot drive the connecting rod to rotate; the interlocking structure is arranged to lock the connecting rod, and when the circuit breaker is in a closed state, the electrical cabinet cell chamber cannot be opened through the knob and can be opened only by unlocking the connecting rod through the interlocking structure, so that the problem of misoperation is effectively solved, and the safety of personnel is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of electrical equipment, and in particular to an interlocking device for a cell compartment of an electrical cabinet. Background Art

[0002] In existing electrical system technology, there's no mechanical interlock between the electrical cabinet's cell compartment and the circuit breaker. Regardless of whether the cabinet door is open or closed, the circuit breaker can be switched back and forth between positions by manually actuating the cabinet's cell compartment drive mechanism. This can lead to misoperation when the circuit breaker is in the closed position, resulting in a phase short circuit and potentially serious accidents such as personal injury. Summary of the Invention

[0003] In order to overcome the above shortcomings, the purpose of this application is to provide an electrical cabinet unit compartment interlocking device, thereby effectively solving the above technical problems.

[0004] In order to achieve the above objectives, this application adopts the following technical solutions: The present application provides an electrical cabinet unit compartment interlocking device, comprising: breaker, Connecting rod, the first end of the said interlocking connecting rod is inserted into the inner cavity of the said circuit breaker, A knob is connected to the second end of the connecting rod. Rotating the knob can drive the connecting rod to rotate so that the circuit breaker switches between the open and closed states. An interlocking structure is connected to the connecting rod, and the interlocking structure can lock the connecting rod when the circuit breaker is in a closed state so that the knob cannot drive the connecting rod to rotate.

[0005] Furthermore, the interlocking structure includes a limiting plate and a locking column, wherein: The limit plate is fixedly sleeved on the connecting rod and rotates synchronously with the connecting rod. A locking groove is provided on the limit plate, and the locking groove extends to the edge of one side of the limit plate. The lock post is movably arranged on one side of the limiting plate. The lock post can be inserted into the lock slot to prevent the connecting rod from rotating by locking the lock post limiting plate.

[0006] Furthermore, the interlocking structure further includes a telescopic driving device, which is arranged on one side of the limiting plate and is connected to the lock column to drive the lock column to extend and retract.

[0007] Furthermore, the limiting plate includes a circular disc-shaped limiting plate, a rectangular hole is opened in the center of the limiting plate, the cross section of the connecting rod is rectangular, and the connecting rod passes through the rectangular hole so that the limiting plate is fixedly sleeved on the connecting rod.

[0008] Furthermore, a mounting seat is provided at the second end of the connecting rod, the knob is rotatably provided on the mounting seat, and a circuit breaker gear position mark is provided on the mounting seat.

[0009] Beneficial effects The present application provides an interlocking device for a cell compartment of an electrical cabinet, which locks a connecting rod by setting an interlocking structure. When the circuit breaker is in the closed state, the cell compartment of the electrical cabinet cannot be opened by the knob, and the interlocking structure is required to unlock the connecting rod before it can be opened, which effectively solves the problem of misoperation and improves the safety of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are intended to facilitate understanding of the technical solutions of the present disclosure and constitute a part of the specification. Together with the embodiments of the present disclosure, they are used to explain the technical solutions of the present disclosure and do not constitute a limitation of the technical solutions of the present disclosure. The shapes and sizes of the components in the accompanying drawings do not reflect the actual scale and are intended only to illustrate the contents of this application.

[0011] Figure 1 A schematic diagram of the structure of the electrical cabinet unit compartment interlocking device provided in one embodiment of the present application.

[0012] In the above figures, 1. Circuit breaker; 2. Connecting rod; 3. Knob; 4. Mounting base; 5. Limit plate; 6. Lock column; 7. Lock slot; 8. Telescopic drive device. DETAILED DESCRIPTION

[0013] The above scheme is further described below with reference to specific examples. It should be understood that these examples are intended to illustrate the present application and are not intended to limit the scope of the present application. The implementation conditions used in the examples can be further adjusted according to the conditions of the specific manufacturer. The implementation conditions not specified are generally those used in routine experiments.

[0014] Unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present disclosure should have the usual meanings understood by people with ordinary skills in the field to which this application belongs. The "first", "second" and similar words used in the embodiments of the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. In this article, "electrical connection" includes the situation where constituent elements are connected together through an element with some electrical function. "Element with some electrical function" is not particularly limited as long as it can transfer electrical signals between connected constituent elements. "Element with some electrical function" can be, for example, an electrode or wiring, or a switching element such as a transistor, or other functional elements such as a resistor, inductor or capacitor. “Up,” “down,” “left,” “right,” etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0015] In this application, terms such as "upper," "lower," "inner," and "middle" indicate positions or locations based on those shown in the accompanying drawings. These terms are primarily intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to specific positions, or to their construction or operation in a specific position.

[0016] Example An embodiment of the present application provides an electrical cabinet unit compartment interlocking device, such as Figure 1 As shown, the device includes a circuit breaker 1, which is a device for opening and closing the cell compartment of the electrical cabinet. When the circuit breaker 1 is closed, the cell compartment of the electrical cabinet is closed, and when the circuit breaker 1 is opened, the cell compartment of the electrical cabinet is opened; Connecting rod 2, the first end of the interlocking connecting rod 2 is inserted into the inner cavity of the circuit breaker 1, and the circuit breaker 1 is switched between the open and closed states by rotating the connecting rod 2; Knob 3, which is connected to the second end of the connecting rod 2. Rotating the knob 3 can drive the connecting rod 2 to rotate so that the circuit breaker 1 switches between the open and closed states. The second end of the connecting rod 2 is provided with a mounting base 4, on which the knob 3 is rotatably mounted. The mounting base 4 is provided with a position mark of the circuit breaker 1; The interlocking structure is connected to the connecting rod 2. The interlocking structure can lock the connecting rod 2 when the circuit breaker 1 is in the closed state so that the knob 3 cannot drive the connecting rod 2 to rotate. The interlocking structure includes a limit plate 5 and a lock column 6, wherein the limit plate 5 is fixedly sleeved on the connecting rod 2 and rotates synchronously with the connecting rod 2. A lock groove 7 is provided on the limit plate 5, and the lock groove 7 extends to the edge of one side of the limit plate 5. The lock column 6 is movably arranged on one side of the limit plate 5. The lock column 6 can be inserted into the lock groove 7 to limit the plate 5 with the lock column 6 so that the connecting rod 2 cannot rotate. The interlocking structure also includes a telescopic drive device 8. The telescopic drive device 8 It is arranged on one side of the limit plate 5, and the telescopic drive device 8 is connected to the lock column 6 to drive the lock column 6 to extend and retract; the limit plate 5 includes a circular disc-shaped structure limit plate 5, and a rectangular hole is opened in the center of the limit plate 5. The cross-section of the connecting rod 2 is rectangular, and the connecting rod 2 passes through the rectangular hole so that the limit plate 5 is fixedly sleeved on the connecting rod 2; this embodiment locks the connecting rod 2 by setting an interlocking structure. When the circuit breaker 1 is in the closed state, the electrical cabinet unit compartment cannot be opened by the knob 3. The interlocking structure is required to unlock the connecting rod 2 before it can be opened, which effectively solves the problem of misoperation and improves the safety of personnel.

[0017] The above embodiments are intended only to illustrate the technical concepts and features of this application. Their purpose is to enable those familiar with the art to understand the content of this application and implement it accordingly. They are not intended to limit the scope of protection of this application. Any equivalent changes or modifications made in accordance with the spirit of this application shall be included in the scope of protection of this application.

Claims

1. An electrical cabinet cell compartment interlocking device, characterized by: include: breaker, Connecting rod, the first end of the said interlocking connecting rod is inserted into the inner cavity of the said circuit breaker, A knob is connected to the second end of the connecting rod. Rotating the knob can drive the connecting rod to rotate so that the circuit breaker switches between the open and closed states. An interlocking structure is connected to the connecting rod, and the interlocking structure can lock the connecting rod when the circuit breaker is in a closed state so that the knob cannot drive the connecting rod to rotate.

2. The electrical cabinet unit compartment interlocking device according to claim 1, characterized in that: The interlocking structure includes a limiting plate and a locking column, wherein: The limit plate is fixedly sleeved on the connecting rod and rotates synchronously with the connecting rod. A locking groove is provided on the limit plate, and the locking groove extends to the edge of one side of the limit plate. The lock post is movably arranged on one side of the limiting plate. The lock post can be inserted into the lock slot to prevent the connecting rod from rotating by locking the lock post limiting plate.

3. The electrical cabinet unit compartment interlocking device according to claim 2, characterized in that: The interlocking structure further includes a telescopic driving device, which is arranged on one side of the limiting plate and is connected to the lock column to drive the lock column to extend and retract.

4. The electrical cabinet unit compartment interlocking device according to claim 2, characterized in that: The limiting plate comprises a circular disc-shaped limiting plate, a rectangular hole is opened in the center of the limiting plate, the cross section of the connecting rod is rectangular, and the connecting rod passes through the rectangular hole so that the limiting plate is fixedly sleeved on the connecting rod.

5. The electrical cabinet unit compartment interlocking device according to claim 1, characterized in that: The second end of the connecting rod is provided with a mounting seat, the knob is rotatably arranged on the mounting seat, and the mounting seat is provided with a circuit breaker gear position mark.