CN215220555U - Manual priority device for operation of electric grounding switch of NXAirs LP medium-voltage switch cabinet - Google Patents
Manual priority device for operation of electric grounding switch of NXAirs LP medium-voltage switch cabinet Download PDFInfo
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- CN215220555U CN215220555U CN202121551419.8U CN202121551419U CN215220555U CN 215220555 U CN215220555 U CN 215220555U CN 202121551419 U CN202121551419 U CN 202121551419U CN 215220555 U CN215220555 U CN 215220555U
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- earthing switch
- medium
- cabinet body
- switch operation
- power cabinet
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Abstract
The utility model discloses a manual priority device of electronic earthing switch operation of NXAirs LP medium voltage switchgear, including the medium voltage power cabinet body, the inside of the medium voltage power cabinet body is provided with ordinary earthing switch operation interlocking device, the right side swing joint of ordinary earthing switch operation interlocking device has earthing switch even locking lever, the micro-gap switch that the side fixedly connected with cooperation earthing switch even locking lever of the medium voltage power cabinet body used, earthing switch even locking lever's left end passes through the bolt and installs the surface at ordinary earthing switch operation interlocking device. The utility model discloses a set up ordinary earthing switch operation interlocking device, earthing switch interlocking pole and micro-gap switch, when micro-gap switch takes place the action, can drive the motion of the medium voltage electric power cabinet body to touch ordinary earthing switch operation interlocking device and obtain the signal, can temporarily close the electronic function of opening and shutting of earthing switch, realize that electronic earthing switch operates manual preferentially.
Description
Technical Field
The utility model relates to a NXAirs LP middling pressure cabinet technical field specifically is a manual priority device of electronic earthing switch operation of NXAirs LP middling pressure cubical switchboard.
Background
The NXAirs LP medium-voltage switch cabinet is a device which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, the voltage level is between 7.2kv and 12kv, and the NXAirs LP medium-voltage switch cabinet mainly comprises a medium-voltage circuit breaker, a medium-voltage isolating switch, an earthing switch, a medium-voltage load switch, a medium-voltage automatic reclosing and sectionalizing device, a medium-voltage operating mechanism, a medium-voltage explosion-proof power distribution device, a medium-voltage switch cabinet and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a manual priority device of NXAirs LP medium voltage switchgear's electronic earthing switch operation possesses simple structure, low in production cost, and the reaction is sensitive, the advantage of the installation of being convenient for, has solved current NXAirs LP medium voltage switchgear and when using electronic earthing switch, need adopt special earthing switch operation interlocking device, and the cost is higher, the device standardization level is lower, the also relatively poor problem of interchangeability in the maintenance process.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a manual priority device of electronic earthing switch operation of NXAirs LP medium voltage switchgear, includes the medium voltage power cabinet body, the inside of the medium voltage power cabinet body is provided with ordinary earthing switch operation interlocking device, the right side swing joint of ordinary earthing switch operation interlocking device has earthing switch interlock pole, the micro-gap switch that the side fixedly connected with cooperation earthing switch interlock pole of the medium voltage power cabinet body used.
Preferably, the left end of the earthing switch interlocking rod is installed on the surface of a common earthing switch operation interlocking device through a bolt, and the left side of the microswitch is fixed on the inner wall of the medium-voltage electric power cabinet body through a bolt.
Preferably, the surface of the microswitch is provided with a pulley, and the grounding switch connecting rod can be contacted with the pulley when moving.
Preferably, the grounding switch interlock rod is made of the same material as that of the medium-voltage electric cabinet body shell.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up ordinary earthing switch operation interlocking device, earthing switch interlocking pole and micro-gap switch, when micro-gap switch takes place the action, can drive the motion of the medium voltage electric power cabinet body to touch ordinary earthing switch operation interlocking device and obtain the signal, can temporarily close the electronic function of opening and shutting of earthing switch, realize that electronic earthing switch operates manual preferentially.
2. The utility model discloses an install earthing switch interlocking bar directly on ordinary earthing switch operation interlocking device, can reform transform at original old cabinet body, the construction is simple, simple to operate, position relation through to earthing switch interlocking bar and micro-gap switch confirms, can perfectly realize the manual priority function of electronic earthing switch operation, the sensitivity of device has effectively been promoted, through the affirmation to earthing switch interlocking bar use the material, can utilize the leftover bits processing and manufacturing of medium voltage electric power cabinet body production material, processing and transformation are with low costs.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the interlock lever of the grounding switch of the present invention.
In the figure: 1. a medium voltage power cabinet; 2. a common grounding switch operation interlocking device; 3. a grounding switch interlock lever; 4. a micro switch.
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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses a medium voltage electric power cabinet body 1, ordinary earthing switch operation interlocking device 2, earthing switch interlocking lever 3 and micro-gap switch 4 part are the parts that general standard component or field technical personnel know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.
Referring to fig. 1-2, an electrical earthing switch operation manual priority device of an NXAirs LP medium-voltage switch cabinet comprises a medium-voltage power cabinet body 1, wherein a common earthing switch operation interlocking device 2 is arranged inside the medium-voltage power cabinet body 1, an earthing switch interlocking bar 3 is movably connected to the right side of the common earthing switch operation interlocking device 2, a microswitch 4 matched with the earthing switch interlocking bar 3 for use is fixedly connected to the side surface of the medium-voltage power cabinet body 1, the left end of the earthing switch interlocking bar 3 is installed on the surface of the common earthing switch operation interlocking device 2 through a bolt, the left side of the microswitch 4 is fixed on the inner wall of the medium-voltage power cabinet body 1 through a bolt, and the earthing switch interlocking bar 3 is directly installed on the common earthing switch operation interlocking device 2, so that the original old cabinet body can be modified, the construction is simple, the installation is convenient, and a pulley is arranged on the surface of the microswitch 4, the grounding switch interlocking rod 3 can be contacted with a pulley when moving, the position relation of the grounding switch interlocking rod 3 and the microswitch 4 is determined, the manual priority function of the electric grounding switch operation can be perfectly realized, the sensitivity of the device is effectively improved, the using material of the grounding switch interlocking rod 3 is the same as that of the shell of the medium-voltage power cabinet body 1, the leftover material of the production material of the medium-voltage power cabinet body 1 can be utilized for processing and manufacturing by determining the using material of the grounding switch interlocking rod 3, the processing and transformation cost is low, the common grounding switch operation interlocking device 2, the grounding switch interlocking rod 3 and the microswitch 4 are arranged, when the microswitch 4 acts, the medium-voltage power cabinet body 1 can be driven to move, the common grounding switch operation interlocking device 2 is triggered to obtain a signal, and the electric opening and closing function of the grounding switch can be temporarily closed, realize that electronic earthing switch operation manual is preferred.
When in use, the existing specially-made earthing switch operation interlocking device for the NXAirs LP cabinet body has higher cost, and the whole device needs to be replaced if the original cabinet body needs to be modified, the earthing switch interlocking rod 3 is arranged on the common earthing switch operation interlocking device 2 in an improved way, the microswitch 4 is arranged at the corresponding position on the side surface of the medium-voltage power cabinet body 1, the usage model of the microswitch 4 is a switch XW20-11, when the common earthing switch operation interlocking device 2 acts, the earthing switch interlocking rod 3 can be driven to move, the microswitch 4 is triggered to obtain a signal, the electric opening and closing function of the earthing switch is temporarily closed, the manual priority of the electric earthing switch operation is realized, because the whole device is only improved and added with the earthing switch interlocking rod 3 and the microswitch 4 on the basis of the common earthing switch operation interlocking device 2, and the earthing switch interlocking rod 3 can be processed by using the corner expectation in the cabinet body production process, so the improvement cost of whole equipment is extremely low, when original cabinet body is reformed transform, need not to change on original ordinary earthing switch operation interlocking device 2, only need to change earthing switch interlocking lever 3 and install micro-gap switch 4 additional and can accomplish whole transformation process, realize that electronic earthing switch operation is manual preferred, simple structure is reliable, time saving and labor saving, the construction is simple swift, the cooperation of above-mentioned structure can make and reach simple structure, low in production cost, the reaction is sensitive, the advantage of the installation of being convenient for, and is suitable for being generalized to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An electrical earthing switch operation manual priority device of NXAirs LP medium voltage switchgear, comprising a medium voltage power cabinet body (1), characterized in that: the inside of the medium-voltage power cabinet body (1) is provided with a common earthing switch operation interlocking device (2), the right side swing joint of the common earthing switch operation interlocking device (2) has an earthing switch linkage rod (3), and the side fixedly connected with of the medium-voltage power cabinet body (1) cooperates with a microswitch (4) used by the earthing switch linkage rod (3).
2. An electrically operated earthing switch operating manual priority device of NXAirs LP medium voltage switchgear as claimed in claim 1 wherein: the left end of the earthing switch interlocking rod (3) is installed on the surface of the common earthing switch operation interlocking device (2) through a bolt, and the left side of the microswitch (4) is fixed on the inner wall of the medium-voltage electric power cabinet body (1) through a bolt.
3. An electrically operated earthing switch operating manual priority device of NXAirs LP medium voltage switchgear as claimed in claim 1 wherein: the surface of the microswitch (4) is provided with a pulley, and the grounding switch interlocking rod (3) can be in contact with the pulley when moving.
4. An electrically operated earthing switch operating manual priority device of NXAirs LP medium voltage switchgear as claimed in claim 1 wherein: the grounding switch interlocking rod (3) is made of the same material as that of the shell of the medium-voltage electric cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551419.8U CN215220555U (en) | 2021-07-08 | 2021-07-08 | Manual priority device for operation of electric grounding switch of NXAirs LP medium-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551419.8U CN215220555U (en) | 2021-07-08 | 2021-07-08 | Manual priority device for operation of electric grounding switch of NXAirs LP medium-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215220555U true CN215220555U (en) | 2021-12-17 |
Family
ID=79430494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121551419.8U Active CN215220555U (en) | 2021-07-08 | 2021-07-08 | Manual priority device for operation of electric grounding switch of NXAirs LP medium-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215220555U (en) |
-
2021
- 2021-07-08 CN CN202121551419.8U patent/CN215220555U/en active Active
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