CN217158989U - Vacuum switch arrangement structure in high-voltage board - Google Patents
Vacuum switch arrangement structure in high-voltage board Download PDFInfo
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- CN217158989U CN217158989U CN202220030317.XU CN202220030317U CN217158989U CN 217158989 U CN217158989 U CN 217158989U CN 202220030317 U CN202220030317 U CN 202220030317U CN 217158989 U CN217158989 U CN 217158989U
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Abstract
The utility model relates to a vacuum switch arrangement structure in high-voltage board belongs to power transmission and distribution technical field. The technical scheme of the utility model is that: the vacuum switch (2) is arranged on a partition plate in the high-voltage switch cabinet, and the upper end and the lower end of the vacuum switch (2) are respectively and fixedly connected with the upper isolating switch and the current transformer through buses; the upper right cabinet door of the high-voltage switch cabinet is divided into a switch room upper door (1) and a switch room middle door (4), and a protection plate (3) is arranged between the front surface of the vacuum switch (2) and the exposed part of the switch room middle door (4) after being opened. The utility model discloses an arrange in the cabinet of vacuum switch assembly and use with the guard gate combines, avoid electrical personnel in the face of exposed live equipment, not only kept the action of vacuum switch assembly reliable, the multiple drawback of handcart-type vacuum switch advancing mechanism trouble in can also eliminating to the characteristics of the advanced performance, has improved the safety protection ability of electrician's operation simultaneously greatly, has guaranteed power equipment's safety, reliable operation.
Description
Technical Field
The utility model relates to a vacuum switch arrangement structure in high-voltage board belongs to power transmission and distribution technical field.
Background
The high-voltage cabinet is an important device playing the roles of switching on and off, controlling or protecting and the like in an electric power system, at present, most of vacuum switches are provided in a form of a middle handcart type switch assembly, a handcart propelling mechanism needs to be equipped in the switch cabinet, and the handcart propelling mechanism has multiple faults in actual work, so that the efficiency of the vacuum switch is influenced. On the other hand, if a handcart propelling mechanism is not adopted in the high-voltage cabinet, corresponding improvement is not carried out when the assembly type vacuum switch is installed, the protection capability is poor, and when the switching mechanism goes wrong, the high-voltage cabinet cannot be opened due to the 'five-prevention' setting requirement. Especially in emergency situations, manual energy storage operation and emergency manual brake opening cannot be implemented. Even if take emergency measures to open the cabinet door, electrical operating personnel can directly face naked live equipment, face serious security threat.
Disclosure of Invention
The utility model aims at providing a vacuum switch arrangement structure in high-voltage board, through arranging in the cabinet of vacuum switch assembly and using with the guard gate combines, avoid electrical personnel in the face of exposed live equipment, not only kept the action of vacuum switch assembly reliable, the characteristics of advanced performance, can also eliminate put the multiple drawback of handcart-type vacuum switch advancing mechanism trouble in, the safety protection ability of electrician's operation has been improved greatly simultaneously, the safety of power equipment has been guaranteed, the reliable operation, the above-mentioned problem that exists in the background art has been solved.
The technical scheme of the utility model is that: a vacuum switch arrangement structure in a high-voltage cabinet comprises a vacuum switch, wherein the vacuum switch is arranged on a partition plate in the high-voltage switch cabinet, and the upper end and the lower end of the vacuum switch are respectively and fixedly connected with an upper isolating switch and a current transformer through buses; the right upper cabinet door of the high-voltage switch cabinet is divided into a switch room upper door and a switch room middle door which are arranged up and down, and a protection plate is arranged between the front surface of the vacuum switch and the exposed part of the opened switch room middle door; the middle door of the switch room is provided with an observation window, and the observation window is arranged on the front side of the middle door of the switch room and is matched with the position of an internal vacuum switch; the upper door of the switch chamber is provided with an electrified locking electromagnetic lock. The utility model does not adopt the connection of a handcart advancing mechanism, and the disconnection of the isolating switch forms an obvious disconnection point, thereby ensuring the safety; when the upper portion in the switch chamber is electrified, the upper door of the switch chamber can not be opened due to the fact that the electromagnetic lock is locked through electrified locking, and therefore the situation that electrical personnel face exposed electrified equipment and only open the middle door of the switch chamber when emergency operation needs to be conducted on the vacuum switch is avoided.
The guard plate is anti-electromagnetic electrician's steel sheet, and the clearance of door and guard plate is less than 0.1 millimeter in the switch room.
The door handle is arranged on the door in the switch chamber and used for opening the door in the switch chamber to store energy manually when the switch function is abnormal.
Still contain the observation window, the front of observation window setting door in the switch room matches with vacuum switch's position.
And the vacuum switch is provided with a closing button, an opening button and a manual energy storage handle.
The electromagnetic lock is arranged on the upper door of the switch chamber.
The utility model has the advantages that: the vacuum switch assembly has the advantages that the vacuum switch assembly is arranged in the cabinet and is combined with the protective door for use, so that electrical personnel are prevented from facing exposed live equipment, the characteristics of reliable action and advanced performance of the vacuum switch assembly are maintained, the defect of frequent faults of the pushing mechanism of the middle handcart type vacuum switch can be overcome, the safety protection capability of electrician operation is greatly improved, and the safe and reliable operation of power equipment is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a front view of the utility model of the switch room with the door open;
in the figure: the device comprises a switch room upper door 1, a vacuum switch 2, a protection plate 3, a switch room middle door 4, an electrified locking electromagnetic lock 5, a door handle 6, an observation window 7, a closing button 21, an opening button 22 and a manual energy storage handle 23.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the following will combine the drawings in the embodiment to clearly and completely describe the technical solution in the embodiment of the present invention, and obviously, the embodiment described is a small part of the embodiment of the present invention, rather than the whole embodiment, based on the embodiment of the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work belong to the protection scope of the present invention.
A vacuum switch arrangement structure in a high-voltage switch cabinet comprises a vacuum switch 2, wherein the vacuum switch 2 is arranged on a partition plate in the high-voltage switch cabinet, and the upper end and the lower end of the vacuum switch 2 are respectively fixedly connected with an upper isolating switch and a current transformer through buses; the right upper cabinet door of the high-voltage switch cabinet is divided into a switch room upper door 1 and a switch room middle door 4 which are arranged up and down, and a protection plate 3 is arranged between the front surface of the vacuum switch 2 and the exposed part of the switch room middle door 4 after being opened; an observation window 7 is arranged on the middle door 4 of the switch room, and the observation window 7 is arranged on the front surface of the middle door 4 of the switch room and is matched with the position of the internal vacuum switch 2; the upper door 1 of the switch room is provided with an electrified locking electromagnetic lock 5. The utility model does not adopt the connection of a handcart advancing mechanism, and the disconnection of the isolating switch forms an obvious disconnection point, thereby ensuring the safety; when the upper portion in the switch chamber is electrified, the upper door 1 of the switch chamber can not be opened due to the locking of the electrified locking electromagnetic lock 5, and the situation that electrical personnel face exposed electrified equipment and only open the middle door 4 of the switch chamber when emergency operation needs to be carried out on a vacuum switch is avoided.
The guard plate 3 is electromagnetic-shielding electrical steel plate, and the gap between the door 4 and the guard plate 3 in the switch room is less than 0.1 mm.
The door handle 6 is arranged on the door 4 in the switch chamber, and is used for opening the door 4 in the switch chamber to manually store energy for the vacuum switch 2 when the switch function is abnormal.
And a closing button 21, an opening button 22 and a manual energy storage handle 23 are arranged on the vacuum switch 2.
In practical application, the vacuum switch 2 occupies the partition board in the high-voltage switch cabinet, the vacuum switch is respectively and fixedly connected with the upper isolating switch and the current transformer through the buses, the handcart pushing mechanism is not adopted for connection, the isolating switch is disconnected to form an obvious disconnection point, and safety is guaranteed.
In order to enable electricians to safely carry out manual energy storage and emergency manual brake-separating operation on an operating mechanism of the vacuum switch, a right upper cabinet door of the high-voltage switch cabinet is divided into a switch room upper door 1 and a switch room middle door 4. The live generating line is kept apart in 1 closure of switch room overhead door to be equipped with electrified shutting electromagnetic lock 5, when the upper portion was electrified in the switch room, the switch room overhead door 1 can not be opened because of 5 lockings of electrified shutting electromagnetic lock, avoids electrical personnel to face naked live equipment, when needing to do emergency operation to vacuum switch, only opens door 4 in the switch room.
After the door 4 in the switch room is opened, the exposed part between the front surface of the vacuum switch and the door in the switch room is sealed by a fixedly installed electromagnetic-shielding electrical steel plate, and the gap between the door 4 and the protection plate 3 in the switch room is less than 0.1 mm. After the door 4 is opened in the assurance switch room, operation, maintainer can not directly face the emergence that exposes electrified space, prevent the emergence of electric arc burn and electric shock accident.
Under the equipment running state, the vacuum switch function trouble, electrical personnel can utilize door handle 6, open well switch room door 4, implement operations such as manual energy storage, manual switching-on and emergency brake-off to vacuum switch 2.
In the switching operation and the operation process, an operation maintainer opens an observation window 7 which can be arranged on the front surface of a door 4 in a switch chamber to observe the switching-on and switching-off states of a vacuum switch, and whether the energy storage state corresponds to the indication of a signal lamp on a cabinet body, so that correct judgment is made and misoperation is prevented.
Claims (4)
1. A vacuum switch arrangement structure in a high-voltage cabinet is characterized in that: the high-voltage switch cabinet comprises a vacuum switch (2), wherein the vacuum switch (2) is arranged on a partition plate in the high-voltage switch cabinet, and the upper end and the lower end of the vacuum switch (2) are respectively and fixedly connected with an upper isolating switch and a current transformer through buses; the right upper cabinet door of the high-voltage switch cabinet is divided into a switch room upper door (1) and a switch room middle door (4) which are arranged up and down, and a protection plate (3) is arranged between the front surface of the vacuum switch (2) and the exposed part of the switch room middle door (4) after being opened; an observation window (7) is arranged on the switch room middle door (4), and the observation window (7) is arranged on the front surface of the switch room middle door (4) and is matched with the position of the internal vacuum switch (2); the upper door (1) of the switch room is provided with an electrified locking electromagnetic lock (5).
2. The arrangement of vacuum switches in a high voltage cabinet according to claim 1, wherein: the protection plate (3) is an electromagnetic-shielding electrical steel plate, and the gap between the door (4) and the protection plate (3) in the switch room is smaller than 0.1 mm.
3. The arrangement of vacuum switches in a high voltage cabinet according to claim 1, wherein: the door handle (6) is installed on the middle door (4) of the switch chamber, and when the switch function is abnormal, the middle door (4) of the switch chamber can be opened, and manual energy storage is carried out on the vacuum switch (2).
4. The arrangement of vacuum switches in a high voltage cabinet according to claim 1, wherein: and a closing button (21), an opening button (22) and a manual energy storage handle (23) are arranged on the vacuum switch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220030317.XU CN217158989U (en) | 2022-01-07 | 2022-01-07 | Vacuum switch arrangement structure in high-voltage board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220030317.XU CN217158989U (en) | 2022-01-07 | 2022-01-07 | Vacuum switch arrangement structure in high-voltage board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217158989U true CN217158989U (en) | 2022-08-09 |
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ID=82688354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220030317.XU Active CN217158989U (en) | 2022-01-07 | 2022-01-07 | Vacuum switch arrangement structure in high-voltage board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217158989U (en) |
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2022
- 2022-01-07 CN CN202220030317.XU patent/CN217158989U/en active Active
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