Five-prevention coding lock with live display device and electromagnetic lock

By introducing voltage sensors and electromagnetic induction devices into the five-proof coded lock, the problem of malfunction in the energized state is solved, thereby improving safety and facilitating maintenance, and ensuring normal operation of the equipment in the absence of power.

CN223689481UActive Publication Date: 2025-12-19HUADONGTONGBAICHOUSHUIXUNENG POWER GENERATION CO LTD +1
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Patent Information

Application Number
CN202520030273.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-19
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing five-proof coded locks are prone to misoperation when powered on, and abnormal locking logic may lead to misoperation, resulting in insufficient security.

Method used

A live display device and an electromagnetic interlock were designed. The voltage sensor detects the voltage status inside the high-voltage cabinet, and the electromagnetic induction device attracts iron pieces when energized to prevent the lock from opening. The locking and connecting mechanism helps to fix the cover plate, ensuring convenient opening when there is no power.

Benefits of technology

It effectively avoids accidental operation while the power is on, improves the security of the five-proof coded lock, and facilitates inspection and maintenance when there is no power, thus improving the reliability and safety of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a five-prevention coding lock with an electric display device and an electromagnetic lock, which comprises a lock body, an indicator light is arranged at the front end of the lock body, a side plate is sleeved inside the left end of the lock body in a sliding manner, a voltage sensor is fixedly mounted on the inner side of the side plate, a cover plate is hinged to the lower end of the lock body, and the cover plate is provided with an electromagnetic lock. An electromagnetic induction device is arranged in the lock body and makes contact with the cover plate, a lock hole is formed in the electromagnetic induction device, an iron sheet is fixedly connected into the cover plate, and the iron sheet and the electromagnetic induction device are attracted. By designing the voltage sensor, when a bus in a high-voltage disc cabinet has voltage, the electromagnetic induction device is electrified, generates magnetism and firmly attracts an iron sheet of the bottom cover plate, it is guaranteed that a five-prevention key cannot open the electromagnetic lock, the problem of electrified misoperation is avoided, the cover plate and the lock body can be connected in an auxiliary mode through insertion connection of the insertion block and the insertion groove, and the safety of the high-voltage disc cabinet is improved. And the safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to five prevent coding lock technical field, concretely is a kind of five prevent coding lock with electrified display device and electromagnetic lock. BACKGROUND

[0002] Five prevent coding lock is a kind of electronic password lock with waterproof, dustproof, anticorrosive, pry and shear function.This type of lock is usually made of high-strength alloy material, with high security and durability.

[0003] All the time, anti-misoperation locking device is an important guarantee equipment for preventing personnel misoperation of hydropower station, and the five prevent coding lock for preventing misoperation currently used avoids misoperation by using the locking logic between locking equipment.The locking mode is relatively single, and there is a possibility of misoperation when locking logic is abnormal. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of five prevent coding lock with electrified display device and electromagnetic lock, solve the problem of the five prevent coding lock of existing electrified misoperation

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of five prevent coding lock with electrified display device and electromagnetic lock, including lock body, the front end of the lock body is provided with indicator light, the left end inside of the lock body is slidably sleeved with side plate, the inside of the side plate is fixedly installed with voltage sensor, the lower end of the lock body is hingedly connected with cover plate, the inside of the lock body is provided with electromagnetic induction device, the electromagnetic induction device is in contact with cover plate, the inside of the electromagnetic induction device is provided with lock hole, the inside of the cover plate is fixedly connected with iron sheet, the iron sheet is adsorbed with electromagnetic induction device, locking mechanism is provided on cover plate, connection mechanism is provided on the side plate.

[0006] Preferably, the locking mechanism includes a slot, the inside of the lock body is provided with the slot, the inside of the slot is slidably connected with plug, the outside of the plug is fixedly connected with slide rod, the slide rod is slidably connected with the lock body, the slide rod is slidably connected with the cover plate, the inside of the slide rod is slidably sleeved with fixed rod, the fixed rod is fixedly connected with the cover plate, the outside of the fixed rod is provided with first spring, the right end of the slide rod is fixedly connected with button, the button is slidably connected with the cover plate.By designing locking mechanism, cover plate can be fixed.

[0007] Preferably, one end of the first spring is fixedly connected with the cover plate, the other end of the first spring is fixedly connected with the slide rod.By designing first spring, the force of first spring can act on slide rod.

[0008] Preferably, the connecting mechanism includes a rotating rod, which is fixedly connected inside the side plate. A second spring is provided inside the side plate. A guide rod is slidably sleeved inside the side plate. A slider is fixedly connected to the outside of the guide rod. The slider is slidably connected to the side plate. A ball bearing is movably sleeved inside the slider. The ball bearing is movably connected to the side plate and to the lock body. This connecting mechanism facilitates the removal of the side plate.

[0009] Preferably, one end of the second spring is fixedly connected to the side plate, and the other end of the second spring is fixedly connected to the guide rod. By designing the second spring, the force of the second spring can be applied to the guide rod.

[0010] Preferably, the lock body has a groove inside, and a ball bearing is movably fitted inside the groove. By designing the groove, the ball bearing can move inside the lock body.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model utilizes the design of a voltage sensor. When there is voltage on the busbar inside the high-voltage switchgear, the electromagnetic induction device becomes energized and generates magnetism, which attracts the iron plate on the bottom cover plate, ensuring that the five-proof key cannot open this electromagnetic lock and avoiding the problem of accidental operation while energized. By inserting the plug and slot, the cover plate and lock body can be connected to each other to improve security.

[0013] 2. This utility model, through the design of the ball joint and groove, can connect and fix the side plate to the lock body. By rotating the rotating rod, the side plate can be rotated, which in turn can drive the ball to rotate along the groove, thus realizing the separation of the ball and the groove. This facilitates the removal of the side plate and the maintenance of the voltage sensor, avoiding the impact of voltage sensor failure on use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This utility model Figure 1 Enlarged view of point A;

[0016] Figure 3 This utility model Figure 1 Enlarged view of point B.

[0017] In the figure: 1, lock body; 2, indicator light; 3, side plate; 4, voltage sensor; 5, cover plate; 6, electromagnetic induction device; 7, lock hole; 8, locking mechanism; 9, connecting mechanism; 10, iron sheet; 81, slot; 82, plug; 83, sliding rod; 84, fixed rod; 85, first spring; 86, button; 91, rotating rod; 92, second spring; 93, guide rod; 94, sliding block; 95, ball; 96, groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1-3 A five-prevention coded lock with electric display device and electromagnetic lock, comprising a lock body 1, the front end of the lock body 1 is provided with an indicator light 2, the left end of the lock body 1 is internally slidably sleeved with a side plate 3, the inner side of the side plate 3 is fixedly installed with a voltage sensor 4, the lower end of the lock body 1 is hingedly connected with a cover plate 5, the inside of the lock body 1 is provided with an electromagnetic induction device 6, the electromagnetic induction device 6 is in contact with the cover plate 5, the inside of the electromagnetic induction device 6 is provided with a lock hole 7, the inside of the cover plate 5 is fixedly connected with an iron sheet 10, the iron sheet 10 is adsorbed with the electromagnetic induction device 6, the cover plate 5 is provided with a locking mechanism 8, and the side plate 3 is provided with a connecting mechanism 9.

[0020] Please refer to Figure 1 , Figure 2 The locking mechanism 8 comprises a slot 81, the inside of the lock body 1 is provided with the slot 81, the inside of the slot 81 is slidably connected with a plug 82, the outer side of the plug 82 is fixedly connected with a sliding rod 83, the sliding rod 83 is slidably connected with the lock body 1, the sliding rod 83 is slidably connected with the cover plate 5, the inside of the sliding rod 83 is slidably sleeved with a fixed rod 84, the fixed rod 84 is fixedly connected with the cover plate 5, the outer side of the fixed rod 84 is provided with a first spring 85, one end of the first spring 85 is fixedly connected with the cover plate 5, the other end of the first spring 85 is fixedly connected with the sliding rod 83, by designing the first spring 85, the acting force of the first spring 85 can act on the sliding rod 83, the right end of the sliding rod 83 is fixedly connected with a button 86, the button 86 is slidably connected with the cover plate 5. By designing the locking mechanism 8, the cover plate 5 can be fixedly assisted.

[0021] Please refer to Figure 1 , Figure 3The connecting mechanism 9 comprises a rotating rod 91, the rotating rod 91 is fixedly connected to the inside of the side plate 3, the inside of the side plate 3 is provided with a second spring 92, one end of the second spring 92 is fixedly connected with the side plate 3, the other end of the second spring 92 is fixedly connected with a guide rod 93, the second spring 92 is designed to enable the force of the second spring 92 to act on the guide rod 93, the guide rod 93 is slidably sleeved in the inside of the side plate 3, the guide rod 93 is fixedly connected with a sliding block 94 on the outside, the sliding block 94 is slidably connected with the side plate 3, the inside of the sliding block 94 is movably sleeved with a ball 95, the ball 95 is movably connected with the side plate 3, the ball 95 is movably connected with the lock body 1, the inside of the lock body 1 is provided with a groove 96, the inside of the groove 96 is movably sleeved with the ball 95, the groove 96 is designed to enable the ball 95 to move in the inside of the lock body 1, and the connecting mechanism 9 is designed to facilitate the dismounting of the side plate 3.

[0022] The specific implementation process of the utility model is as follows: in use, when the high-voltage disc cabinet has voltage, the electromagnetic induction device 6 is electrified, generates magnetism, and firmly absorbs the iron sheet 10 of the bottom cover plate 5, so that the five-proof key cannot open the electromagnetic lock; when the high-voltage disc cabinet has no voltage, the voltage sensor 4 in the anti-coding lock cannot sense voltage, at this time, the electrification indicating lamp 2 will be extinguished, informing the operator that the disc cabinet is not electrified, the electromagnetic induction device 6 at the bottom of the five-proof anti-coding lock is not electrified, the magnetic field between the electromagnetic induction device 6 and the iron sheet 10 of the bottom cover plate 5 is lost, and the cover plate 5 can be opened, at this time, the five-proof key can be used to open the electromagnetic lock.

[0023] When the cover plate 5 is opened, the button 86 is pressed, the sliding rod 83 is driven to move, the sliding rod 83 slides along the fixed rod 84, the sliding rod 83 is pressed to the first spring 85, simultaneously, the sliding rod 83 drives the plug block 82 to move horizontally, so that the plug block 82 is separated from the plug groove 81, then the cover plate 5 is rotated, the cover plate 5 can be rotated and opened, and the lock hole 7 can be operated.

[0024] When the side plate 3 needs to be dismounted, the rotating rod 91 is rotated, the rotating rod 91 drives the side plate 3 to rotate, the side plate 3 drives the ball 95 to rotate, the ball 95 rotates along the arc surface of the groove 96, the ball 95 is pressed and pushed and rolls to the inside of the side plate 3, the ball 95 drives the sliding block 94 to move, the sliding block 94 drives the guide rod 93 to slide along the side plate 3, the guide rod 93 presses the second spring 92, finally, the ball 95 can be separated from the groove 96, the rotating rod 91 is horizontally moved, and the side plate 3 can be dismounted, the voltage sensor 4 can be conveniently maintained and repaired, and the influence of the voltage sensor 4 fault on use is avoided.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A five-proof coded lock with a charged display device and an electromagnetic lock, comprising a lock body (1), characterized in that: The front end of the lock body (1) is provided with an indicator light (2), the left end of the lock body (1) is internally sleeved with a side plate (3), the inner side of the side plate (3) is fixedly installed with a voltage sensor (4), the lower end of the lock body (1) is hingedly connected with a cover plate (5), the inside of the lock body (1) is provided with an electromagnetic induction device (6), the electromagnetic induction device (6) is in contact with the cover plate (5), the inside of the electromagnetic induction device (6) is provided with a lock hole (7), the inside of the cover plate (5) is fixedly connected with an iron sheet (10), the iron sheet (10) is adsorbed with the electromagnetic induction device (6), the cover plate (5) is provided with a locking mechanism (8), and the side plate (3) is provided with a connecting mechanism (9).

2. A five-lever lock with a battery display device and an electromagnetic lock according to claim 1, characterized in that: The locking mechanism (8) comprises a slot (81), the inside of the lock body (1) is provided with the slot (81), the inside of the slot (81) is slidably connected with an insertion block (82), the outer side of the insertion block (82) is fixedly connected with a sliding rod (83), the sliding rod (83) is slidably connected with the lock body (1), the sliding rod (83) is slidably connected with the cover plate (5), the inside of the sliding rod (83) is slidably sleeved with a fixing rod (84), the fixing rod (84) is fixedly connected with the cover plate (5), the outer side of the fixing rod (84) is provided with a first spring (85), the right end of the sliding rod (83) is fixedly connected with a button (86), and the button (86) is slidably connected with the cover plate (5).

3. A five-lever coded lock with a charged display device and an electromagnetic lock according to claim 2, characterized in that: One end of the first spring (85) is fixedly connected with the cover plate (5), and the other end of the first spring (85) is fixedly connected with the sliding rod (83).

4. The five-lever anti-tamper coded lock with electrically charged display means and electromagnetic lock according to claim 1, characterized in that: The connecting mechanism (9) comprises a rotating rod (91), the inside of the side plate (3) is fixedly connected with the rotating rod (91), the inside of the side plate (3) is provided with a second spring (92), the inside of the side plate (3) is slidably sleeved with a guide rod (93), the outer side of the guide rod (93) is fixedly connected with a sliding block (94), the sliding block (94) is slidably connected with the side plate (3), the inside of the sliding block (94) is movably sleeved with a ball (95), the ball (95) is movably connected with the side plate (3), and the ball (95) is movably connected with the lock body (1).

5. A five-lever coded lock with a battery display device and an electromagnetic lock according to claim 4, characterized in that: One end of the second spring (92) is fixedly connected with the side plate (3), and the other end of the second spring (92) is fixedly connected with the guide rod (93).

6. A five-lever coded lock with a battery display device and an electromagnetic lock according to claim 5, characterized in that: The inside of the lock body (1) is provided with a groove (96), and the inside of the groove (96) is movably sleeved with a ball (95).