CN219262005U - Cabinet door locking device of high-voltage power distribution cabinet - Google Patents
Cabinet door locking device of high-voltage power distribution cabinet Download PDFInfo
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- CN219262005U CN219262005U CN202223434396.XU CN202223434396U CN219262005U CN 219262005 U CN219262005 U CN 219262005U CN 202223434396 U CN202223434396 U CN 202223434396U CN 219262005 U CN219262005 U CN 219262005U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model provides a cabinet door locking device of a high-voltage power distribution cabinet, which belongs to the technical field of cabinet door locking equipment of the high-voltage power distribution cabinet. The utility model has the beneficial effects that: when the cabinet door is not in electric leakage, a professional with a key can be opened only by using the key, and when the power distribution cabinet is in electric leakage, even if the professional cannot open the power distribution cabinet, the cabinet door can be opened only by the professional with the key after the electric leakage phenomenon is relieved, and the cabinet door is prevented from being opened by a person without qualification or under dangerous conditions.
Description
Technical Field
The utility model belongs to the technical field of cabinet door locking equipment of high-voltage power distribution cabinets, and particularly relates to a cabinet door locking device of a high-voltage power distribution cabinet.
Background
A plurality of power distribution cabinets are usually installed in the power distribution room of modern mill, and in order to protect staff's safety, the power distribution cabinet all can install locking device and lock, avoids staff's maloperation to take place danger. The locking device of traditional switch board installation is mostly mechanical type tool to lock, and the cabinet door of switch board can be opened to the key that needs to be equipped, but lacks switch board electrified detection structure, if the component in the switch board appears when electric leakage phenomenon, can lead to the box of switch board electrified, and the staff goes before the maintenance under the condition of unknowing, just takes place the danger of electric shock easily.
However, the existing electromagnetic lock with the leakage detection function, such as the patent number CN202120921688.2, includes a leakage detector, an anti-misoperation mechanism and a five-prevention electric appliance locking, when in use, although the electromagnetic lock can perform the leakage detection function and has the stability of the locking structure of the mechanical lock, any staff can open the cabinet door of the power distribution cabinet through the anti-misoperation mechanism when closing all circuits inside the five-prevention electric appliance locking, so that the cabinet door is opened due to lack of restriction on the staff, and the limitation that only the staff with cabinet opening qualification can open the cabinet door is not achieved, and the safety restriction is lacking.
Disclosure of Invention
The utility model aims to provide a cabinet door locking device of a high-voltage power distribution cabinet, and aims to solve the problem that a power distribution cabinet locking structure with a leakage detection function lacks cabinet door opening limitation.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cabinet door locking device of high-voltage distribution cabinet, includes the cabinet body and the cabinet door of high-voltage distribution cabinet, the internal electric leakage detection portion that is equipped with of cabinet, the tapered end that needs key just can open is installed to the internal side of cabinet, have the spring bolt on the tapered end, be equipped with on the cabinet body be used for with spring bolt complex hasp box, be equipped with electric leakage locking portion on the hasp box, when electric leakage detection portion detects the electric leakage, electric leakage locking portion can restrict the spring bolt in the hasp box.
In order to enable the electric leakage locking part in the cabinet door locking device of the high-voltage power distribution cabinet to complete corresponding actions according to the detection result of the electric leakage detection part, the electric leakage detection part is preferably electrically connected with the electric leakage locking part.
Specifically, the leakage locking part comprises a shell, a telescopic inserting tongue is arranged in the shell, an elastic piece for separating the inserting tongue from the lock tongue is arranged between the inserting tongue and the shell, and a control part for controlling the inserting tongue is also arranged in the shell.
Preferably, the elastic member is a spring.
In order to limit the cabinet door by the electric leakage locking part and the lock tongue in the cabinet door locking device of the high-voltage power distribution cabinet, as one preferable mode of the utility model, the lock tongue is provided with the jack, the lock catch box is provided with the avoidance groove, and the insertion tongue can be inserted into the jack through the avoidance groove.
Specifically, the control part comprises an electromagnet arranged in the shell, and a permanent magnet matched with the electromagnet is arranged at the inner side end of the inserting tongue.
Preferably, when the electromagnet is electrified, the magnetic poles of the opposite ends of the electromagnet and the permanent magnet are the same.
In order to enable the cabinet door locking device of the high-voltage power distribution cabinet to prompt maintenance personnel of the existence of the electric leakage phenomenon of the high-voltage power distribution cabinet, the cabinet body is also provided with an electric leakage prompting component as one preferable mode.
Specifically, the electric leakage prompting component comprises a warning lamp and a buzzer.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the cabinet door locking device of the high-voltage power distribution cabinet, the electric leakage detection operation of the power distribution cabinet is completed through the electric leakage detection part, a heavy and effective guarantee is provided for personal safety of maintenance personnel, and the electric leakage locking part is matched with the electric leakage detection part for use, so that under the electric leakage state, even if a key is arranged, the cabinet door is difficult to open, and only after the electric leakage phenomenon is relieved through corresponding treatment, the cabinet door can be opened for maintenance work, and the operation safety of the staff is further guaranteed;
2. this cabinet door locking device of high-voltage distribution cabinet just can open through electric leakage detection portion and electric leakage locking portion and use the tapered end of key, guarantees that the cabinet door when not electric leakage, and the professional that possesses the key just can open with the key, and the switch board when electric leakage, even the professional also can not open the switch board, realizes the guard action to maintainer personal safety, so can realize that the cabinet door can only remove and can open at electric leakage phenomenon and the professional that possesses the key, prevents to open the cabinet door under the people that does not possess the qualification or the dangerous condition.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a cabinet door in a locked state according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration showing an isometric view of a cabinet door in an open state according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of the locking state of the locking bolt and the locking box according to the embodiment of the utility model;
FIG. 4 is a schematic cross-sectional view of a leakage lock according to an embodiment of the present utility model;
in the figure: 1. a cabinet body; 2. a cabinet door; 3. a leakage detection unit; 4. a lock head; 5. a bolt; 6. a locker; 7. a leakage blocking portion; 701. a housing; 702. inserting a tongue; 703. an elastic member; 704. a control part; 501. a jack; 601. an avoidance groove; 7041. an electromagnet; 7042. a permanent magnet; 8. a leakage prompting part; 801. a warning light; 802. a buzzer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a cabinet door locking device of high-voltage distribution cabinet, includes the cabinet body 1 and the cabinet door 2 of high-voltage distribution cabinet, be equipped with electric leakage detection portion 3 in the cabinet body 1, the tapered end 4 that needs key just can open is installed to the cabinet body 1 inboard, have spring bolt 5 on the tapered end 4, be equipped with on the cabinet body 1 be used for with spring bolt 5 complex hasp box 6, be equipped with electric leakage locking portion 7 on the hasp box 6, when electric leakage detection portion 3 detects the electric leakage, electric leakage locking portion 7 can restrict spring bolt 5 in hasp box 6.
In the specific embodiment of the utility model, when the electric leakage locking part 7 is used, the lock tongue 5 is not limited by the electric leakage locking part 7 in a normal state, the cabinet door 2 can be opened and closed only by a key, and the key is usually mastered in the hands of maintenance personnel with door opening qualification, namely, the cabinet door 2 can be opened only by the personnel with door opening qualification, so that the condition that an irrelevant person or qualified person opens a power distribution cabinet to cause misoperation and safety accidents are avoided;
and when the switch board leaks electricity, the electric leakage detection portion 3 can detect that the switch board exists the electric leakage phenomenon, and the electric leakage detection portion 3 can be according to the electric leakage structure that obtains of detection this moment for the corresponding action takes place for electric leakage locking portion 7, in the hasp box 6 of locking bolt 5 restriction, even if use corresponding key also can not open cabinet door 2 this moment, prevent that the staff from opening the switch board under unknowing condition, directly operate, lead to the electric shock and the dangerous condition takes place, and then guarantee operating personnel's safety.
Referring to fig. 3, the leakage detecting portion 3 is electrically connected to the leakage blocking portion 7; the working principle of the electric leakage detection part 3 refers to the utility model document with the patent number CN202120921688.2, and according to the detection principle of the electric leakage detector to the cabinet body 1 in the document, the electric leakage detection work of the electric leakage detection part 3 to the power distribution cabinet in the present application is realized, and the specific principle is not described here again.
Specifically, the leakage blocking portion 7 includes a housing 701, a retractable insert tongue 702 is disposed in the housing 701, an elastic member 703 for separating the insert tongue 702 from the lock tongue 5 is disposed between the insert tongue 702 and the housing 701, and a control member 704 for controlling the insert tongue 702 is further disposed in the housing.
The signal receiving module and the signal processing module for receiving the detection result of the electric leakage detecting part 3 are arranged in the electric leakage locking part 7, when the electric leakage detecting part 3 detects the electric leakage phenomenon, corresponding signals are transmitted to the electric leakage locking part 7, after being processed by the signal processing module, the control part 704 realizes corresponding actions through the inserting tongue 702, and the control of the lock tongue 5 is completed.
Preferably, the elastic member 703 is a spring.
Specifically, the bolt 5 is provided with a jack 501, the lock catch box 6 is provided with a avoiding groove 601, and the inserting bolt 702 can be inserted into the jack 501 through the avoiding groove 601; the control part 704 drives the inserting tongue 702 to be inserted into the jack 501 on the lock tongue 5 through the avoiding groove 601, thereby realizing the function of limiting the lock tongue 5 in the lock catch, ensuring that the cabinet door 2 can not be opened by a key when the power distribution cabinet leaks electricity, and playing a role of protecting personal safety of staff.
Specifically, the control part 704 includes an electromagnet 7041 installed in the housing 701, and a permanent magnet 7042 matched with the electromagnet 7041 is provided at the inner end of the insert tongue 702; when the electric leakage detecting portion 3 detects the electric leakage phenomenon, the electromagnet 7041 in the control portion 704 is electrified, and under the cooperation of the electromagnet 7041 and the permanent magnet 7042, the driving plug tongue 702 is inserted into the insertion hole 501 on the lock tongue 5 through the avoiding groove 601, so that the lock tongue 5 is limited, the mechanical lock 4 is locked, and the danger caused by opening the cabinet door 2 without knowing the electric leakage by using a key is prevented.
Preferably, when the electromagnet 7041 is electrified, the poles of the opposite ends of the electromagnet 7041 and the permanent magnet 7042 are the same; because the power distribution cabinet leakage is not a phenomenon which occurs for a long time, the power distribution cabinet can leak electricity only when the power distribution cabinet fails, the safety state can be restored after maintenance, the elastic piece 703 can be ensured to be in a natural state in the long-term working process according to the principle of like poles repelling, the elasticity of the elastic piece 703 is maintained, and when the power distribution cabinet does not leak electricity, the plug tongue 702 is lifted through the elastic piece 703, so that the normal use of the lock head 4 is realized.
Further, the cabinet body 1 is also provided with an electric leakage prompting component 8; the power distribution cabinet is used for prompting maintenance personnel that the power distribution cabinet is in a leakage state and plays a role in warning.
Specifically, the electricity leakage prompting device 8 includes an alarm lamp 801 and a buzzer 802.
When the limitation of the leakage locking part 7 to the lock tongue 5 is released, the limitation of the leakage locking part 7 to the lock tongue 5 can be realized by disconnecting the circuit in the power distribution cabinet and releasing the leakage only through the five-prevention electric appliance locking.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a cabinet door locking device of high-voltage distribution cabinet, includes the cabinet body (1) and cabinet door (2) of high-voltage distribution cabinet, its characterized in that, be equipped with electric leakage detection portion (3) in the cabinet body (1), lock (4) that need key just can be opened are installed to the cabinet body (1) inboard, have spring bolt (5) on lock (4), be equipped with on the cabinet body (1) be used for with spring bolt (5) complex hasp box (6), be equipped with electric leakage locking portion (7) on hasp box (6), when electric leakage detection portion (3) detected the electric leakage, electric leakage locking portion (7) can restrict spring bolt (5) in hasp box (6).
2. The cabinet door locking device of a high-voltage power distribution cabinet according to claim 1, wherein: the leakage detection unit (3) is electrically connected to the leakage blocking unit (7).
3. The cabinet door locking device of a high-voltage power distribution cabinet according to claim 2, wherein: the electric leakage locking part (7) comprises a shell (701), a telescopic inserting tongue (702) is arranged in the shell (701), an elastic piece (703) used for enabling the inserting tongue (702) to be separated from the locking tongue (5) is arranged between the inserting tongue (702) and the shell (701), and a control part (704) used for controlling the inserting tongue (702) is further arranged in the shell (701).
4. A cabinet door locking device of a high voltage power distribution cabinet according to claim 3, wherein: the lock tongue (5) is provided with an inserting hole (501), the lock catch box (6) is provided with an avoiding groove (601), and the inserting tongue (702) can be inserted into the inserting hole (501) through the avoiding groove (601).
5. A cabinet door locking device of a high voltage power distribution cabinet according to claim 3, wherein: the control part (704) comprises an electromagnet (7041) arranged in the shell (701), and a permanent magnet (7042) matched with the electromagnet (7041) is arranged at the inner side end of the inserting tongue (702).
6. The cabinet door locking device of a high-voltage power distribution cabinet according to claim 5, wherein: when the electromagnet (7041) is electrified, the magnetic poles of the opposite ends of the electromagnet (7041) and the permanent magnet (7042) are the same.
7. A cabinet door locking device of a high voltage power distribution cabinet according to any one of claims 1-6, wherein: the cabinet body (1) is also provided with an electric leakage prompting component (8).
8. The cabinet door locking device of a high-voltage power distribution cabinet according to claim 7, wherein: the electric leakage prompting component (8) comprises a warning lamp (801) and a buzzer (802).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022226462261 | 2022-10-09 | ||
| CN202222646226 | 2022-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219262005U true CN219262005U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223434396.XU Active CN219262005U (en) | 2022-10-09 | 2022-12-21 | Cabinet door locking device of high-voltage power distribution cabinet |
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| CN (1) | CN219262005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477385A (en) * | 2023-12-27 | 2024-01-30 | 滨州市华亿电器设备有限公司 | Power distribution cabinet electric leakage detection device |
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2022
- 2022-12-21 CN CN202223434396.XU patent/CN219262005U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477385A (en) * | 2023-12-27 | 2024-01-30 | 滨州市华亿电器设备有限公司 | Power distribution cabinet electric leakage detection device |
| CN117477385B (en) * | 2023-12-27 | 2024-03-22 | 滨州市华亿电器设备有限公司 | Power distribution cabinet electric leakage detection device |
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