CN215069708U - Interlocking device of vacuum circuit breaker and switch cabinet - Google Patents
Interlocking device of vacuum circuit breaker and switch cabinet Download PDFInfo
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- CN215069708U CN215069708U CN202121433517.1U CN202121433517U CN215069708U CN 215069708 U CN215069708 U CN 215069708U CN 202121433517 U CN202121433517 U CN 202121433517U CN 215069708 U CN215069708 U CN 215069708U
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- circuit breaker
- switch cabinet
- vacuum circuit
- cabinet
- switch
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Abstract
The utility model discloses an interlocking device of a vacuum circuit breaker with a switch cabinet, which comprises a switch cabinet, a vacuum circuit breaker arranged in the switch cabinet, a baffle, a swing arm, a push rod and an operating panel, wherein one end of the swing arm is connected with a main shaft of the vacuum circuit breaker, the other end of the swing arm is hinged with the baffle, the operating panel is fixed on the switch cabinet, and a groove which is spliced with one end of the baffle, which is far away from the swing arm, is arranged on the operating panel; the outer side of a main shaft of the vacuum circuit breaker is also connected with a push rod, a guide sleeve and a bolt capable of being inserted into a cabinet door lock plate are arranged on the switch cabinet, the bolt is movably arranged in the guide sleeve, and one end of the bolt is provided with a clamping hook corresponding to the push rod. The utility model can realize the bidirectional interlocking function that the isolating switch can not be operated when the breaker is switched on and the isolating switch can only be operated when the vacuum breaker is switched off; and when the breaker is closed and opened, the cabinet door can be fixed to prevent the door from being opened when the isolation switch is closed.
Description
Technical Field
The utility model relates to a cubical switchboard technical field, more specifically the interlock that relates to a vacuum circuit breaker joins in marriage cubical switchboard that says so.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as instruments, automatic control, magnetic switches of motors, various alternating current contactors and the like, some switch cabinets with high-voltage chambers and low-voltage chambers, high-voltage buses, such as power plants and the like, and some switch cabinets with low-frequency load relief for protecting main equipment, wherein the switch cabinets (switchgear) mainly function to open, close, control and protect electric equipment in the power generation, transmission, distribution and electric energy conversion processes of a power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.
The interlock that cubical switchboard was joined in marriage to current fixed vacuum circuit breaker generally adopts wire rope's structure, but this kind of structure can only one-way interlocking, can't realize two-way interlocking, when maintaining to whole cubical switchboard, need open the cabinet body and maintain, but if isolator does not break off, can make whole cabinet body still electrified, has certain potential safety hazard in the maintenance process.
Therefore, how to provide an interlocking device for a vacuum circuit breaker and a switch cabinet is a problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vacuum circuit breaker joins in marriage interlock of cubical switchboard aims at solving the above-mentioned technical problem among the prior art to a certain extent.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an interlocking device of a vacuum circuit breaker and a switch cabinet comprises the switch cabinet and a vacuum circuit breaker arranged in the switch cabinet, and is characterized by further comprising a baffle, a swing arm, a push rod and an operating panel, wherein one end of the swing arm is connected with a main shaft of the vacuum circuit breaker, the other end of the swing arm is hinged with the baffle, the operating panel is fixed on the switch cabinet, and a groove which is spliced with one end, far away from the swing arm, of the baffle is formed in the operating panel;
the outer side of a main shaft of the vacuum circuit breaker is further connected with a push rod, a guide sleeve and a bolt capable of being inserted into a cabinet door lock plate are arranged on the switch cabinet, the bolt is movably installed in the guide sleeve, and a clamping hook corresponding to the push rod is arranged at one end of the bolt.
According to the technical scheme, when the breaker is switched on, the main shaft can rotate clockwise, the connecting lever drives the baffle to move towards the operating panel and is clamped in the operating panel to enable the baffle not to be in a breaking and locking position, when the vacuum breaker is switched off, the main shaft rotates anticlockwise to reset, the connecting lever drives the baffle to withdraw from the operating panel, the operating panel is in the breaking and locking position at the moment, the ejector rod abuts against the tripping bent plate of the vacuum breaker, the blocking rod blocks the switching-on bent plate to enable the vacuum breaker not to be switched on, and therefore the bidirectional interlocking function of the disconnecting switch can be operated when the disconnecting switch cannot be operated during switching on of the breaker and the vacuum breaker is switched off is achieved; and when the breaker is closed and opened, the push rod drives the clamping hook to move, the bolt moves along with the clamping hook and is inserted into or separated from the cabinet door locking plate, when the isolation switch is closed, the cabinet door is fixed, so that the door cannot be opened, and the safety is improved.
Furthermore, a guide plate is arranged on the switch cabinet, a through hole is formed in the middle of the guide plate, and the baffle is arranged in the through hole in a penetrating mode.
Furthermore, the through hole of the guide plate corresponds to the groove of the operating panel.
Further, the cubical switchboard includes the cabinet body and cabinet door, be provided with the handle on the cabinet door, cabinet body one side is provided with heat dissipation grid and fan for the internal heat dissipation of cabinet is rapid, and the temperature keeps in certain extent, thereby can make the vacuum circuit breaker who places in the cabinet normally work, increase of service life.
Further, a mounting hole is formed in the cabinet door, a sliding block is arranged in the mounting hole, the inner side of the sliding block is connected with a pressing plate used for touching a switching-on/off button on the vacuum circuit breaker, and the outer side of the sliding block is connected with an insulating pushing block.
Further, set up the cooperation on the outer wall of cabinet door and promote the bar recess that the piece used, the thickness that promotes the piece is less than the degree of depth of bar recess. The opening and closing interlocking device with the structure for the switch cabinet has the advantages that the cabinet door can be prevented from being opened when the circuit needs to be cut off urgently, the pushing block in the groove in the front surface of the cabinet door is directly pushed to move downwards, the pressing plate connected with the sliding block moves downwards to press the opening and closing button on the vacuum circuit breaker, the vacuum circuit breaker is disconnected, and the circuit is cut off quickly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the interlocking device of the vacuum circuit breaker of the present invention.
Fig. 2 is a schematic structural diagram of the switch cabinet body of the present invention.
Fig. 3 is the opening interlocking structure schematic diagram of the switch cabinet of the present invention.
Wherein:
1-a switch cabinet; 2-a vacuum interrupter; 3-a baffle plate; 4-swing arm; 5-a push rod; 6-operating panel; 7-guide sleeve; 8-a bolt; 9-a guide plate; 10-cabinet door; 11-a heat dissipation grid; 12-a fan; 101-a slide block; 102-a platen; 103-insulating slider; 21-switching on/off button.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment of the utility model discloses an interlocking device of a vacuum circuit breaker matching switch cabinet, which comprises a switch cabinet 1, a vacuum circuit breaker 2 arranged in the switch cabinet 1, a baffle 3, a swing arm 4 and an operation panel 6, wherein one end of the swing arm 4 is connected with a main shaft of the vacuum circuit breaker 2, the other end of the swing arm 4 is hinged with the baffle 3, the operation panel 6 is fixed on the switch cabinet 1, and the operation panel 6 is provided with a groove which is spliced with one end of the baffle 3, which is far away from the swing arm 4; a guide plate 9 is arranged on the switch cabinet 1, a through hole is formed in the middle of the guide plate 9, the through hole of the guide plate 9 corresponds to the groove of the operating panel 6, and the baffle 3 is arranged in the through hole in a penetrating mode;
the outer side of a main shaft of the vacuum circuit breaker 2 is also connected with a push rod 5, a guide sleeve 7 and a bolt 8 capable of being inserted into a cabinet door lock plate are arranged on the switch cabinet 1, the bolt 8 is movably arranged in the guide sleeve 7, and one end of the bolt 8 is provided with a clamping hook corresponding to the push rod 5.
For further optimizing above-mentioned scheme, cubical switchboard 1 includes the cabinet body and cabinet door 10, is provided with the handle on cabinet door 10, and cabinet body one side is provided with heat dissipation grid 11 and fan 12 for the internal heat dissipation of cabinet is rapid, and the temperature keeps in certain extent, thereby can make the vacuum circuit breaker who places in the cabinet normally work, increase of service life.
In order to further optimize the scheme, a mounting hole is formed in the cabinet door 10, a sliding block 101 is arranged in the mounting hole, a central shaft is fixed in the mounting hole, a spring is sleeved on the central shaft, the sliding block 101 is sleeved on the central shaft and positioned above the spring, a pressing plate 102 extending into the switch cabinet 1 is welded on the surface wall on the inner side of the sliding block 101, and an insulating pushing block 103 is welded on the surface wall on the outer side of the sliding block 101; the opening and closing interlocking device with the structure for the switch cabinet has the advantages that the cabinet door can be prevented from being opened when the circuit needs to be cut off urgently, the pushing block in the groove in the front surface of the cabinet door is directly pushed to move downwards, the pressing plate connected with the sliding block moves downwards to press the opening and closing button 21 on the vacuum circuit breaker, the vacuum circuit breaker is disconnected, and the circuit is cut off quickly.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An interlocking device of a vacuum circuit breaker and a switch cabinet comprises the switch cabinet and a vacuum circuit breaker arranged in the switch cabinet, and is characterized by further comprising a baffle, a swing arm and an operating panel, wherein one end of the swing arm is connected with a main shaft of the vacuum circuit breaker, the other end of the swing arm is hinged with the baffle, the operating panel is fixed on the switch cabinet, and a groove which is spliced with one end, far away from the swing arm, of the baffle is formed in the operating panel;
the outer side of a main shaft of the vacuum circuit breaker is further connected with a push rod, a guide sleeve and a bolt capable of being inserted into a cabinet door lock plate are arranged on the switch cabinet, the bolt is movably installed in the guide sleeve, and a clamping hook corresponding to the push rod is arranged at one end of the bolt.
2. The interlocking device of a vacuum circuit breaker and a switch cabinet as claimed in claim 1, wherein a guide plate is arranged on the switch cabinet, a through hole is arranged in the middle of the guide plate, and the baffle plate is arranged in the through hole in a penetrating manner.
3. The interlocking device of a vacuum circuit breaker and switch cabinet as claimed in claim 2, wherein the through hole of the guide plate corresponds to the groove of the operation panel.
4. The interlocking device of a vacuum circuit breaker and a switch cabinet as claimed in claim 1, wherein the switch cabinet comprises a cabinet body and a cabinet door, the cabinet door is provided with a handle, and one side of the cabinet body is provided with a heat dissipation grid and a fan.
5. The interlocking device of the vacuum circuit breaker and the switch cabinet as claimed in claim 4, wherein a mounting hole is formed in the cabinet door, a sliding block is arranged in the mounting hole, a pressing plate for touching the on-off button on the vacuum circuit breaker is connected to the inner side of the sliding block, and an insulating pushing block is connected to the outer side of the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433517.1U CN215069708U (en) | 2021-06-17 | 2021-06-17 | Interlocking device of vacuum circuit breaker and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433517.1U CN215069708U (en) | 2021-06-17 | 2021-06-17 | Interlocking device of vacuum circuit breaker and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215069708U true CN215069708U (en) | 2021-12-07 |
Family
ID=79228844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121433517.1U Active CN215069708U (en) | 2021-06-17 | 2021-06-17 | Interlocking device of vacuum circuit breaker and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215069708U (en) |
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2021
- 2021-06-17 CN CN202121433517.1U patent/CN215069708U/en active Active
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