CN222530259U - Two-in-one mechanical interlocking device of circuit breaker and switch cabinet - Google Patents
Two-in-one mechanical interlocking device of circuit breaker and switch cabinet Download PDFInfo
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- CN222530259U CN222530259U CN202421267417.XU CN202421267417U CN222530259U CN 222530259 U CN222530259 U CN 222530259U CN 202421267417 U CN202421267417 U CN 202421267417U CN 222530259 U CN222530259 U CN 222530259U
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Abstract
本申请公开了断路器二合一机械连锁装置，包括机械锁一和机械锁二，所述机械锁一包括安装板一，所述安装板一上设有合闸组件一、闭锁组件一和闭锁联动板一，所述机械锁二包括安装板二，所述安装板二上设有合闸组件二、闭锁组件二和闭锁联动板二。通过其中一个断路器合闸带动对应合闸组件驱动对侧闭锁联动板滑动以带动对侧闭锁组件转动，从而实现另一个断路器进入分闸闭锁状态，以防止该断路器进行合闸操作；该设计巧妙，结构紧凑，占用空间少。同时在开关柜内设置断路器二合一机械连锁装置，在操作时无需移动断路器的位置，也不会影响断路器采用进线备自投方案，保证了系统的稳定性和可靠性。
The present application discloses a two-in-one mechanical interlocking device for a circuit breaker, including a mechanical lock 1 and a mechanical lock 2, wherein the mechanical lock 1 includes a mounting plate 1, on which a closing component 1, a locking component 1 and a locking linkage plate 1 are provided, and the mechanical lock 2 includes a mounting plate 2, on which a closing component 2, a locking component 2 and a locking linkage plate 2 are provided. By closing one of the circuit breakers, the corresponding closing component drives the opposite locking linkage plate to slide to drive the opposite locking component to rotate, thereby realizing that the other circuit breaker enters a split locking state to prevent the circuit breaker from performing a closing operation; the design is ingenious, compact in structure and occupies little space. At the same time, a two-in-one mechanical interlocking device for a circuit breaker is arranged in the switch cabinet, so that the position of the circuit breaker does not need to be moved during operation, and the circuit breaker does not affect the line standby automatic switching scheme, thereby ensuring the stability and reliability of the system.
Description
Technical Field
The application relates to the technical field of circuit breakers, in particular to a two-in-one mechanical interlocking device of a circuit breaker.
Background
When the dual power supply is used, only one power supply can be closed for power supply at any time in the dual power supply inlet switch. When one of the power supplies is powered, the other power supply cannot be powered on, and when the two power supplies are both disconnected, any one of the incoming line switches can be selected to be powered on, and after the incoming line switch is powered on, the other incoming line switch cannot be powered on. Most of the functions in the current market are realized by using a key lock, a real mechanical automatic interlocking function is absent between two switches, a manual on-site operation interlocking function is required, and an automatic spare power automatic switching function cannot be realized.
Disclosure of utility model
In view of the above, the application provides a two-in-one mechanical interlocking device for a circuit breaker, wherein one circuit breaker drives a corresponding closing component to drive a contralateral locking linkage plate to slide so as to drive the contralateral locking component to rotate, thereby realizing the state of entering a breaking locking state of the other circuit breaker so as to prevent the circuit breaker from closing, and the technical scheme is as follows:
the circuit breaker two-in-one mechanical interlocking device comprises a mechanical lock I and a mechanical lock II, wherein the mechanical lock I comprises a mounting plate I, a closing component I, a locking component I and a locking linkage plate I are arranged on the mounting plate I, the mechanical lock II comprises a mounting plate II, and a closing component II, a locking component II and a locking linkage plate II are arranged on the mounting plate II;
When the first circuit breaker is switched on, the second locking linkage plate is driven by the first switching-on assembly to slide upwards so as to drive the second locking assembly to rotate, so that the second circuit breaker is kept in a switching-off state;
When the circuit breaker II is switched on, the first locking linkage plate is driven by the second switching-on assembly to slide upwards so as to drive the first locking assembly to rotate, so that the circuit breaker is kept in a switching-off state;
The first mechanical lock and the second mechanical lock are integrally arranged in a mirror image mode, and the first locking linkage plate and the second locking linkage plate are arranged in the first mechanical lock and the second mechanical lock and are arranged in parallel left and right.
Preferably, the first closing component and the second closing component are both composed of a closing gate plate and a closing linkage plate, and the closing linkage plate is driven to slide outside the corresponding mounting plate by rotation of the closing gate plate.
Further preferably, a first connecting piece is fixedly arranged on the closing linkage plate, and the first connecting piece can slide back and forth in a sliding groove of the closing plate.
Preferably, the closing linkage plate is linked with the opposite side locking linkage plate through a connecting piece III.
Preferably, the first locking component and the second locking component are both composed of locking plates, one ends of the locking plates are rotatably connected with the mounting plate on the same side, the other ends of the locking plates are slidably connected with locking linkage plates, and the corresponding locking linkage plates slide upwards to drive the corresponding locking plates to dial down the breaking plates of the circuit breaker, so that the corresponding circuit breaker enters a breaking locking state, and the circuit breaker is prevented from being closed.
Further preferably, the first locking linkage plate and the second locking linkage plate are both fixedly provided with a second connecting piece, the second connecting piece can slide back and forth in the sliding groove of the locking plate, and when the corresponding locking linkage plate slides upwards, the position of the second connecting piece in the corresponding locking plate in the sliding groove changes so as to realize the rotation of the locking plate.
Preferably, the first mounting plate and the second mounting plate are respectively provided with a first reset mechanism, the first reset mechanisms are respectively used for resetting the first closing component and the second closing component in a disconnection state, and the first reset mechanisms are arranged, so that the corresponding closing plate can be driven to automatically slide downwards for resetting after the thrust of the closing flashboard of the circuit breaker is released.
In order to facilitate the first reset mechanism to be installed on the mounting plate, the first closing component and the second closing component rotating end are connected with the mounting plate through a connecting plate, wherein a containing cavity capable of containing the first reset mechanism and facilitating the rotation of the first closing plate rotating end is formed between the connecting plate and the mounting plate.
Preferably, the first mounting plate and the second mounting plate are respectively provided with a second reset mechanism, the second reset mechanisms are respectively used for resetting the first locking linkage plate and the second locking linkage plate in a vertical movement mode, one end of the second reset mechanism is arranged on the corresponding mounting plate, and the other end of the second reset mechanism is arranged on the corresponding locking linkage plate.
The application further provides a switch cabinet, and a two-in-one mechanical interlocking device of the circuit breaker is arranged in the switch cabinet. With this design, the operator does not need to move the position of the circuit breaker when operating, thereby simplifying the operation flow. Meanwhile, the design does not influence the adoption of the incoming line spare power automatic switching scheme by the circuit breaker, and the stability and the reliability of the system are ensured. The switch cabinet has the advantages of high efficiency, convenience, safety and the like, and can be widely applied to various occasions needing the control and the protection of the circuit breaker.
The application has the beneficial effects that:
(1) Through the linkage between the two mechanical locks, when one of the circuit breakers is switched on, the other circuit breaker can enter a switching-off and locking state through the mechanical linkage device so as to prevent the circuit breaker from switching on, thereby preventing single-point faults and further improving the reliability and safety of equipment;
(2) The two mechanical phase locks are arranged opposite to the mirror image, so that the mechanical interlocking device is compact in structure, and meanwhile, the setting difficulty of the circuit breaker is reduced, and the production cost and the manufacturing difficulty are reduced;
(3) The circuit breaker is switched on to drive the corresponding switching-on assembly to drive the opposite-side locking linkage plate to slide so as to drive the opposite-side locking assembly to rotate, so that the other circuit breaker is in a switching-off locking state, switching-on operation of the circuit breaker is prevented, and the circuit breaker is ingenious in design, compact in structure and small in occupied space.
Drawings
FIG. 1 is an exploded view of a mechanical linkage;
Fig. 2 is a left side view of an interior portion of a switchgear of the circuit breaker;
Fig. 3 is a right side view of the interior portion of the two-switch cabinet of the circuit breaker.
In the figure, a first mechanical lock 11, a first mounting plate 12, a first closing component 13, a first locking component 14, a first locking linkage plate 2, a second mechanical lock 21, a second mounting plate 22, a second closing component 23, a second locking component 24, a second locking linkage plate 3, a first circuit breaker 4, a second circuit breaker 5, a first connecting piece 6, a second connecting piece 7, a third connecting piece 8, a first resetting mechanism 9, a second resetting mechanism 10, a connecting plate 20, a closing plate 30, a closing linkage plate 40 and a locking plate.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments of the present application are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is to be noted that, all directional indicators in the embodiments of the application such as first, second, up, down, left, right, front, back, and forth the following..once. Is used only to explain the relative positional relationship between the components, the movement conditions and the like in a certain specific posture as shown in the drawings, if the particular gesture changes, the directional indication changes accordingly.
Example 1
Referring to fig. 1 to 3, a two-in-one mechanical interlocking device of a circuit breaker of the application is further described, and comprises a first mechanical lock 1 and a second mechanical lock 2, wherein the first mechanical lock 1 comprises a first mounting plate 11, the first mounting plate 11 is provided with a first closing component 12, a first locking component 13 and a first locking linkage plate 14, the second mechanical lock 2 comprises a second mounting plate 21, and the second mounting plate 21 is provided with a second closing component 22, a second locking component 23 and a second locking linkage plate 24;
When the first circuit breaker 3 is switched on, the second locking linkage plate 24 is driven by the first switching-on component 12 to slide upwards so as to drive the second locking component 23 to rotate, so that the second circuit breaker 4 is kept in a switching-off state;
When the circuit breaker II 4 is switched on, the first locking linkage plate 14 is driven by the second switching-on assembly 22 to slide upwards so as to drive the first locking assembly 13 to rotate, so that the circuit breaker I3 is kept in a switching-off state;
The mechanical lock I and the mechanical lock II 2 are arranged in a mirror image mode integrally, the locking linkage plate I14 and the locking linkage plate II 24 are arranged in the mechanical lock I and the mechanical lock II 2, and are arranged in parallel left and right.
The first closing component 12 and the second closing component 22 are both composed of a closing plate 20 and a closing linkage plate 30, and the closing linkage plate 30 is driven to slide outside the corresponding mounting plate by the rotation of the closing plate 20. Specifically, the first connecting piece 5 is fixedly disposed on the closing linkage plate 30, and the first connecting piece 5 can slide reciprocally in the chute of the closing plate 20. Wherein the first connecting piece 5 can be a pin or a bolt.
The rotation of the closing plate 20 is driven by the closing of the circuit breaker.
The closing linkage plate 30 realizes linkage with the opposite side locking linkage plate through a connecting piece III 7. Wherein the third connecting piece 7 may be a pin or a bolt.
The first locking component 13 and the second locking component 23 are both composed of a locking plate 40, one end of the locking plate 40 is rotationally connected with the same side of the mounting plate, the other end of the locking plate 40 is slidably connected with a locking linkage plate, and the corresponding locking linkage plate slides upwards to drive the corresponding locking plate 40 to downwards toggle the breaking plate of the circuit breaker, so that the corresponding circuit breaker enters a breaking locking state, and the circuit breaker is prevented from being closed.
Specifically, the first locking linkage plate 14 and the second locking linkage plate 24 are both fixedly provided with a second connecting piece 6, the second connecting piece 6 can slide reciprocally in the chute of the locking plate 40, and when the locking linkage plate slides upwards, the position of the second connecting piece 6 in the corresponding locking plate 40 in the chute changes so as to realize the rotation of the locking plate 40. Wherein, the second connecting piece 6 can be a pin or a bolt.
The first mounting plate 11 and the second mounting plate 21 are respectively provided with a first reset mechanism 8, the first reset mechanisms 8 are respectively used for resetting when the first closing component 12 and the second closing component 22 are in a disconnection state, and the first reset mechanisms 8 are arranged, so that the corresponding closing plate 20 can be driven to automatically slide downwards for resetting after the pushing force of the circuit breaker to the closing plate 20 is relieved. The first reset mechanism 8 is a spring, one end of the spring is arranged on the corresponding mounting plate, the other end of the spring is arranged on the corresponding closing component, when one of the circuit breakers is opened, after the thrust of the corresponding closing component is released, the closing plate 20 and the closing plate 40 reset under the acting force of the spring, and the opposite circuit breaker is released from the opening and closing state first to perform closing operation.
It should be noted that, in order to facilitate the first reset mechanism 8 to be mounted on the mounting plate, the rotating ends of the first closing component 12 and the second closing component 22 are connected with the mounting plate through the connecting plate 10, and a cavity capable of accommodating the first reset mechanism 8 and facilitating the rotation of the rotating end of the closing plate 20 is formed between the connecting plate 10 and the mounting plate.
And the first mounting plate 11 and the second mounting plate 21 are respectively provided with a second reset mechanism 9, and the two second reset mechanisms 9 are respectively used for resetting the first locking linkage plate 14 and the second locking linkage plate 24 in a vertical movement mode. The second reset mechanism 9 is a spring, one end of the spring is arranged on the corresponding mounting plate, the other end of the spring is arranged on the corresponding locking linkage plate, and after the closing component resets, the opposite side locking linkage plate is driven to slide downwards by the closing linkage plate 30, so that the opposite side circuit breaker is firstly released from a separating locking state, and then closing operation can be performed.
In order to facilitate the sliding of the first locking linkage plate 14, the second locking linkage plate 24, and the closing linkage plate 30, at least one guide member is disposed on each of the first mounting plate 11 and the second mounting plate 21.
Working principle:
As shown in fig. 2, when the first circuit breaker 3 is switched on, the switching-on indication board of the first circuit breaker 3 drives the switching-on board 20 of the switching-on assembly first 12 to rotate clockwise to drive the corresponding switching-on linkage board 30 to slide upwards, so as to link the second switching-on linkage board 24 to slide upwards, as shown in fig. 3, the second switching-on assembly 23 can rotate anticlockwise, so as to dial the breaking plate of the second circuit breaker 4 downwards, and the second circuit breaker 4 enters a breaking-off locking state, so that the second circuit breaker 4 is prevented from switching on;
As shown in fig. 3, when the second circuit breaker 4 is closed, the closing indicator board of the second circuit breaker 4 drives the closing board 20 of the second closing component 22 to rotate anticlockwise so as to drive the corresponding closing linkage board 30 to slide upwards, so that the first linkage locking linkage board 14 slides upwards, as shown in fig. 2, the first locking component 13 can rotate clockwise so as to dial the opening board of the first circuit breaker 3 downwards, and the first circuit breaker 3 enters the opening locking state so as to prevent the first circuit breaker 3 from performing closing operation.
Example 2
The application also provides a switch cabinet which comprises the two-in-one mechanical interlocking device of the circuit breaker, and the two-in-one mechanical interlocking device of the circuit breaker is arranged on the switch cabinet body. When one of the circuit breakers is switched on, the other circuit breaker can enter the opening and closing state through the mechanical interlocking device, so that the circuit breaker is prevented from being switched on, misoperation is prevented, equipment safety is ensured, the circuit breaker is prevented from being unintentionally triggered, and equipment stability is improved.
Claims (10)
1. The circuit breaker two-in-one mechanical interlocking device is characterized by comprising a mechanical lock I and a mechanical lock II, wherein the mechanical lock I comprises a mounting plate I, a closing component I, a locking component I and a locking linkage plate I are arranged on the mounting plate I, the mechanical lock II comprises a mounting plate II, and the mounting plate II is provided with a closing component II, a locking component II and a locking linkage plate II;
When the first circuit breaker is switched on, the second locking linkage plate is driven by the first switching-on assembly to slide upwards so as to drive the second locking assembly to rotate, so that the second circuit breaker is kept in a switching-off state;
When the circuit breaker II is switched on, the first locking linkage plate is driven by the second switching-on assembly to slide upwards so as to drive the first locking assembly to rotate, so that the circuit breaker is kept in a switching-off state;
The first mechanical lock and the second mechanical lock are integrally arranged in a mirror image mode, and the first locking linkage plate and the second locking linkage plate are arranged in the first mechanical lock and the second mechanical lock and are arranged in parallel left and right.
2. The two-in-one mechanical interlocking device of the circuit breaker according to claim 1, wherein the first switching-on assembly and the second switching-on assembly are composed of a switching-on plate and a switching-on linkage plate, and the switching-on linkage plate is driven to slide outside the corresponding mounting plate by rotation of the switching-on plate.
3. The two-in-one mechanical interlocking device of the circuit breaker of claim 2, wherein a first connecting piece is fixedly arranged on the closing linkage plate and can slide back and forth in a sliding groove of the closing plate.
4. The two-in-one mechanical interlocking device of the circuit breaker according to claim 2, wherein the closing interlocking plate is in linkage with the opposite-side locking interlocking plate through a connecting piece III.
5. The two-in-one mechanical interlocking device of a circuit breaker according to claim 1, wherein the first locking component and the second locking component are both composed of locking plates, one ends of the locking plates are rotatably connected with a same-side mounting plate, and the other ends of the locking plates are slidably connected with corresponding locking linkage plates.
6. The two-in-one mechanical interlocking device of the circuit breaker of claim 5, wherein the first locking linkage plate and the second locking linkage plate are fixedly provided with a second connecting piece, the second connecting piece can slide back and forth in a sliding groove of the locking plate, and when the corresponding locking linkage plate slides upwards, the position of the second connecting piece in the corresponding locking plate in the sliding groove changes so as to realize the rotation of the corresponding locking plate.
7. The two-in-one mechanical interlocking device of the circuit breaker according to claim 1, wherein the first mounting plate and the second mounting plate are respectively provided with a first reset mechanism, and the first reset mechanisms are respectively used for resetting the first closing component and the second closing component in an open state.
8. The two-in-one mechanical interlocking device of the circuit breaker of claim 1, wherein the first closing component and the second closing component are connected with the mounting plate through connecting plates.
9. The two-in-one mechanical interlocking device of the circuit breaker according to claim 1, wherein the first mounting plate and the second mounting plate are respectively provided with a second reset mechanism, the second reset mechanisms are respectively used for resetting the first locking linkage plate and the second locking linkage plate in a vertical movement manner, one end of the second reset mechanism is arranged on the corresponding mounting plate, and the other end of the second reset mechanism is arranged on the corresponding locking linkage plate.
10. The switch cabinet is characterized by comprising the two-in-one mechanical interlocking device of the circuit breaker, which is set on the switch cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421267417.XU CN222530259U (en) | 2024-06-05 | 2024-06-05 | Two-in-one mechanical interlocking device of circuit breaker and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421267417.XU CN222530259U (en) | 2024-06-05 | 2024-06-05 | Two-in-one mechanical interlocking device of circuit breaker and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222530259U true CN222530259U (en) | 2025-02-25 |
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ID=94679876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421267417.XU Active CN222530259U (en) | 2024-06-05 | 2024-06-05 | Two-in-one mechanical interlocking device of circuit breaker and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222530259U (en) |
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- 2024-06-05 CN CN202421267417.XU patent/CN222530259U/en active Active
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