CN215978897U - Intelligent locking device of high-voltage power distribution cabinet - Google Patents
Intelligent locking device of high-voltage power distribution cabinet Download PDFInfo
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- CN215978897U CN215978897U CN202122019478.7U CN202122019478U CN215978897U CN 215978897 U CN215978897 U CN 215978897U CN 202122019478 U CN202122019478 U CN 202122019478U CN 215978897 U CN215978897 U CN 215978897U
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- stepping motor
- lock rod
- distribution cabinet
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Abstract
The utility model discloses an intelligent locking device of a high-voltage power distribution cabinet, which comprises a lock shell, wherein a cam is arranged in the center of the lock shell, the outline of the cam is elliptical, a rotating shaft of the cam is arranged in the center of the ellipse, an upper locking rod and a lower locking rod are arranged on the upper side and the lower side of the cam, and the lower bottom surface of the upper locking rod and the upper top surface of the lower locking rod are both contacted with the surface of the cam; a stepping motor and a controller are arranged in the lock shell, an output shaft of the stepping motor is in transmission connection with the cam, an angle sensor is mounted on a rotating shaft of the cam, and the stepping motor and the angle sensor are both electrically connected with the controller; the stepping motor is controlled to extend and retract the upper lock rod and the lower lock rod through the arrangement of the cam, the upper lock rod and the lower lock rod, and is provided with a power-off self-locking device, so that the stepping motor cannot fall off after being locked, and the hidden danger of malicious operation caused by the fact that the cabinet door is easily opened is prevented; a clamping structure is omitted, and the problems that clamping is unstable and is not needed for a long time and is easy to lose efficacy are solved; the utility model has simple structure and convenient operation and is worth popularizing.
Description
Technical Field
The utility model relates to the technical field of high-voltage power distribution cabinets, in particular to an intelligent locking device of a high-voltage power distribution cabinet.
Background
The high-voltage power distribution cabinet is an electrical appliance product 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, and has a voltage grade of 3.6-550 kV, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like. The high-voltage switch manufacturing industry is an important component of the power transmission and transformation equipment manufacturing industry and plays a very important role in the whole power industry.
Through retrieval, Chinese patent CN206554650U discloses an intelligent locking device for a high-voltage power distribution cabinet, but the device adopts an electromagnet, when a cabinet door is closed for a long time, residual magnetism contained in an iron core before leaving a factory is lost, and a due magnetic field is not established.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent locking device for a high-voltage power distribution cabinet, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent locking device of a high-voltage power distribution cabinet comprises a lock shell, wherein a cam is installed in the center of the lock shell, the outline of the cam is elliptical, a rotating shaft of the cam is arranged in the center of the ellipse, an upper locking rod and a lower locking rod are arranged on the upper side and the lower side of the cam, the lower bottom surface of the upper locking rod and the upper top surface of the lower locking rod are both in contact with the surface of the cam, the upper locking rod extends to the outside of the lock shell and is matched with a top locking hole of the power distribution cabinet, and the lower locking rod extends to the outside of the lock shell and is matched with a bottom locking hole of the power distribution cabinet;
the novel lock is characterized in that a stepping motor and a controller are arranged inside the lock shell, an output shaft of the stepping motor is connected with the cam in a transmission mode, an angle sensor is installed on a rotating shaft of the cam, and the stepping motor and the angle sensor are electrically connected with the controller.
Preferably, the upper lock rod and the lower lock rod are arranged vertically symmetrically relative to the cam, and the central lines of the upper lock rod and the lower lock rod pass through the rotation axis of the cam.
Preferably, the stepping motor is provided with a band-type brake device which enables the stepping motor to be self-locked when the stepping motor is powered off.
Has the advantages that: compared with the prior art, the utility model has the beneficial effects that: the stepping motor is controlled to extend and retract the upper lock rod and the lower lock rod through the arrangement of the cam, the upper lock rod and the lower lock rod, and is provided with a power-off self-locking device, so that the stepping motor cannot fall off after being locked, and the hidden danger of malicious operation caused by the fact that the cabinet door is easily opened is prevented; the clamping structure is omitted, and the problems that clamping is unstable and is not needed for a long time and is easy to lose efficacy are solved.
Drawings
Fig. 1 is a schematic view of an overall structure of an intelligent locking device of a high-voltage power distribution cabinet according to the present invention.
In the drawings: 1-lock shell, 2-cam, 3-upper lock rod and 4-lower lock rod.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Examples
Referring to the attached drawings of the specification, in the embodiment of the utility model, the intelligent locking device of the high-voltage power distribution cabinet comprises a lock shell, a cam is mounted in the center of the lock shell, the outer contour of the cam is oval, a rotating shaft of the cam is arranged in the center of the oval, an upper locking rod and a lower locking rod are arranged on the upper side and the lower side of the cam, the lower bottom surface of the upper locking rod and the upper top surface of the lower locking rod are both in contact with the surface of the cam, the upper locking rod extends to the outside of the lock shell and is matched with a top locking hole of the power distribution cabinet, and the lower locking rod extends to the outside of the lock shell and is matched with a bottom locking hole of the power distribution cabinet;
the novel lock is characterized in that a stepping motor and a controller are arranged inside the lock shell, an output shaft of the stepping motor is connected with the cam in a transmission mode, an angle sensor is installed on a rotating shaft of the cam, and the stepping motor and the angle sensor are electrically connected with the controller.
Furthermore, the upper lock rod and the lower lock rod are arranged in an up-down symmetrical mode relative to the cam, and the center lines of the upper lock rod and the lower lock rod pass through the rotating axis of the cam.
Further, the stepping motor is provided with a band-type brake device which enables the stepping motor to be self-locked when the stepping motor is powered off. When the motor is powered on, the band-type brake is also powered on, the band-type brake device is separated from the output shaft of the stepping motor, and the motor operates normally; when power is off, the brake is released to tightly hold the motor shaft.
The locking device can be further provided with a guide mechanism and an operator identity management system according to needs, which belong to the prior art and are not described in detail herein.
According to the utility model, through the arrangement of the cam, the upper lock rod and the lower lock rod, the stepping motor is controlled to drive the cam to extend and retract the upper lock rod and the lower lock rod every time the cam rotates by 90 degrees, and the stepping motor is provided with the power-off self-locking device, so that the stepping motor cannot fall off after being locked, and the hidden danger of malicious operation caused by the easy opening of a cabinet door is prevented; a clamping structure is omitted, and the problems that clamping is unstable and is not needed for a long time and is easy to lose efficacy are solved; the application has the advantages of simple structure, strong practicability and simple operation and is worth popularizing.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (3)
1. The utility model provides a high voltage distribution cabinet intelligence blocking device which characterized in that: the power distribution cabinet lock comprises a lock shell, wherein a cam is arranged in the center of the lock shell, the outline of the cam is elliptical, a rotating shaft of the cam is arranged in the center of the ellipse, an upper lock rod and a lower lock rod are arranged on the upper side and the lower side of the cam, the lower bottom surface of the upper lock rod and the upper top surface of the lower lock rod are both in contact with the surface of the cam, the upper lock rod extends to the outside of the lock shell and is matched with a lock hole in the top of a power distribution cabinet, and the lower lock rod extends to the outside of the lock shell and is matched with a lock hole in the bottom of the power distribution cabinet;
the novel lock is characterized in that a stepping motor and a controller are arranged inside the lock shell, an output shaft of the stepping motor is connected with the cam in a transmission mode, an angle sensor is installed on a rotating shaft of the cam, and the stepping motor and the angle sensor are electrically connected with the controller.
2. The intelligent locking device for the high-voltage power distribution cabinet according to claim 1, characterized in that: the upper lock rod and the lower lock rod are arranged in an up-down symmetrical mode relative to the cam, and the center lines of the upper lock rod and the lower lock rod pass through the rotating axis of the cam.
3. The intelligent locking device for the high-voltage power distribution cabinet according to claim 1, characterized in that: and the stepping motor is provided with a band-type brake device which can realize the power-off self-locking of the stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122019478.7U CN215978897U (en) | 2021-08-25 | 2021-08-25 | Intelligent locking device of high-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122019478.7U CN215978897U (en) | 2021-08-25 | 2021-08-25 | Intelligent locking device of high-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215978897U true CN215978897U (en) | 2022-03-08 |
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ID=80518257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122019478.7U Active CN215978897U (en) | 2021-08-25 | 2021-08-25 | Intelligent locking device of high-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215978897U (en) |
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2021
- 2021-08-25 CN CN202122019478.7U patent/CN215978897U/en active Active
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