CN108468479B - Low-power-consumption passive electromagnetic lock with automatic locking function - Google Patents

Low-power-consumption passive electromagnetic lock with automatic locking function Download PDF

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Publication number
CN108468479B
CN108468479B CN201810529614.7A CN201810529614A CN108468479B CN 108468479 B CN108468479 B CN 108468479B CN 201810529614 A CN201810529614 A CN 201810529614A CN 108468479 B CN108468479 B CN 108468479B
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China
Prior art keywords
locking
lock
unlocking
block
rocker
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CN201810529614.7A
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Chinese (zh)
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CN108468479A (en
Inventor
方锦
谢飞
谢小渭
黄建林
张斌
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Changyuan Contron Power Security Technology Co Ltd
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Changyuan Contron Power Security Technology Co Ltd
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Priority to CN201810529614.7A priority Critical patent/CN108468479B/en
Publication of CN108468479A publication Critical patent/CN108468479A/en
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Publication of CN108468479B publication Critical patent/CN108468479B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048Circuits, feeding, monitoring
    • E05B2047/0057Feeding

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The utility model provides a passive electromagnetic lock of taking automatic locking function of low-power consumption, belongs to electromagnetic lock technical field, including the lock body that is equipped with the lockhole, the lock body is installed and is moved to the lockhole in realizing the lock and manual reset the spring bolt, is used for carrying out the electric drive locking mechanism that locks to the spring bolt of locking state and unlocking state to and the spring bolt is driven to the spring bolt in the lockhole and the spring bolt that unlocks that breaks away from in the spring bolt of locking state from electric drive locking mechanism. Therefore, the electromagnetic lock only needs short time to touch the electric drive locking mechanism in the unlocking and locking process, the required energy is extremely small, and the working power supply only comes from the induction electricity taken by the high-voltage electrified display device, so that the problem of high power consumption of the conventional passive electromagnetic lock is effectively solved, the installation of the electromagnetic lock is convenient, meanwhile, the ground switch can be prevented from being manually and wrongly operated when the high-voltage cabinet is suddenly powered on, and the safety of operation and the stability of power transmission are greatly improved.

Description

Low-power-consumption passive electromagnetic lock with automatic locking function
Technical Field
The invention relates to the technical field of electromagnetic locks, in particular to a low-power-consumption passive electromagnetic lock with an automatic locking function for locking a grounding knife.
Background
The electromagnetic lock is an interlocking device of an electric control mechanism for preventing the electrical misoperation of the high-voltage switch equipment, and is mainly used for realizing the interlocking of the front and rear doors, the isolating switch, the circuit breaker and other parts needing to be locked of the indoor high-voltage switch equipment, so as to prevent the misoperation. However, most of the existing electromagnetic locks on the market are active electromagnetic locks, so that the installation is troublesome, a power supply is required to be taken from the outside, and some working conditions cannot be used; and because the energy required by the motor driving is larger, the power consumption is larger, and the passive electromagnetic lock needs maintenance or replacement after being used for a period of time, and is inconvenient to use.
Disclosure of Invention
The invention provides a low-power-consumption passive electromagnetic lock with an automatic locking function, which aims to reduce the energy required by an electrically driven locking mechanism in unlocking and locking processes, effectively solves the problem of large power consumption of the conventional passive electromagnetic lock, is convenient to install, simultaneously prevents a sudden incoming call from being made to operate a grounding switch by mistake in a high-voltage cabinet, and improves the operation safety and the power transmission stability.
In order to achieve the above purpose, the invention provides a low-power-consumption passive electromagnetic lock with an automatic locking function, which comprises a lock body provided with a lock hole, wherein the lock body is provided with a lock tongue which moves into the lock hole to realize locking and manual resetting, an electrically driven locking mechanism for locking the lock tongue in a locked state and an unlocked state, a locking elastic driving unit for driving the lock tongue into the lock hole, and an unlocking elastic driving unit for separating the lock tongue in the locked state from the electrically driven locking mechanism.
Preferably, the electric drive locking mechanism comprises a locking lug arranged on the lock tongue, a limiting mechanism arranged on the lock body and a motor; the limiting mechanism comprises a locking rocker capable of automatically resetting, and when the locking rocker is locked and unlocked, the locking rocker is respectively in locking connection with a locking block of the locking lug and an unlocking block of the locking lug; the motor is in driving connection with the locking rocker to drive the locking rocker to be separated from the locking block and the unlocking locking block, and the locking rocker is unlocked.
Preferably, the locking rocker comprises a locking chuck for locking connection with the locking block and the unlocking block and a driving tail part in driving connection with the motor, and the locking chuck and the driving tail part are connected into a whole; the limiting mechanism further comprises a rocker seat, the locking rocker is rotationally arranged on the rocker seat, and a reset spring is arranged between the locking rocker and the rocker seat.
Preferably, the locking projection comprises a locking block and an unlocking block, and the locking block and the unlocking block are two convex triangular blocks which are arranged at intervals and symmetrically; when the lock tongue is in a locking state, the locking chuck props against the locking block; when the lock tongue is in an unlocking state, the locking clamp hooks the unlocking locking block.
Preferably, a cam is arranged on a rotating shaft of the motor and is in driving connection with the locking rocker; when the lock is locked and unlocked, the motor drives the cam to rotate and acts on the locking seesaw, so that the locking seesaw is separated from the locking block and the unlocking block to be unlocked.
Preferably, the lock body is provided with two parallel guide slide bars, and the guide slide bars are provided with sliding blocks; the spring bolt is arranged between the two guide slide bars and is connected with the slide block.
Preferably, the locking elastic driving unit and the unlocking elastic driving unit are respectively an energy storage spring a and an energy storage spring b, and the energy storage spring a and the energy storage spring b are respectively sleeved on the guide sliding rods at two sides of the sliding block; or the locking elastic driving unit and the unlocking elastic driving unit are respectively energy storage elastic sheets which are arranged on two sides of the sliding block and are in driving connection with the sliding block or the lock tongue.
Preferably, the lock tongue is movably installed on the lock body by adopting a sliding rail structure, the locking elastic driving unit and the unlocking elastic driving unit are energy storage elastic pieces, and the energy storage elastic pieces are in driving connection with the lock tongue.
Preferably, the sliding block is further provided with a lock tongue handle for manually driving the lock tongue to an unlocking state.
The low-power-consumption passive electromagnetic lock with the automatic locking function has the following advantages:
1. the electromagnetic lock only needs short time to touch the electric drive locking mechanism in the unlocking and locking process, and the required energy is extremely small, so that the working power supply only comes from the induction electricity taken by the high-voltage electrified display device, the problem of high power consumption of the conventional passive electromagnetic lock is effectively solved, and the installation of the electromagnetic lock is facilitated.
2. The electromagnetic lock is suddenly started at the high-voltage cabinet to prevent the manual misoperation of the grounding switch, so that the operation safety and the power transmission stability are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a low-power-consumption passive electromagnetic lock with an automatic locking function according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electromagnetic lock unlocking state with an automatic locking function and a low-power-consumption passive electromagnetic lock unlocking state according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of an electromagnetic lock locking initial state with an automatic locking function with low power consumption according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a low-power passive electromagnetic lock with an automatic locking function according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electromagnetic lock unlocking initial state with an automatic locking function and a low power consumption passive type according to an embodiment of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention discloses a low-power-consumption passive electromagnetic lock with an automatic locking function, which comprises a lock body provided with a lock hole, wherein the lock body is provided with a lock tongue which can move into the lock hole to realize locking and manual resetting, an electric driving locking mechanism for locking the lock tongue in a locked state and an unlocked state, a locking elastic driving unit for driving the lock tongue into the lock hole, and an unlocking elastic driving unit for separating the lock tongue in the locked state from the electric driving locking mechanism.
As shown in fig. 1, the invention provides a low-power-consumption passive electromagnetic lock with an automatic locking function, which comprises a lock body 100 provided with a lock hole 101, wherein the lock body 100 is provided with a lock tongue 102 which moves into the lock hole 101 to realize locking and manual resetting, an electrically driven locking mechanism for locking the lock tongue 102 in a locked state and an unlocked state, a locking elastic driving unit for driving the lock tongue 102 into the lock hole 101, and an unlocking elastic driving unit for separating the lock tongue 102 in the locked state from the electrically driven locking mechanism. Wherein, two parallel guide slide bars 111 are arranged on the lock body 100, and a slide block 112 is arranged on the guide slide bars 111; the lock tongue 102 is arranged between two guide slide bars 111 and connected with a slide block 112. The locking elastic driving unit and the unlocking elastic driving unit are respectively an energy storage spring a 113 and an energy storage spring b 114, and the energy storage spring a 113 and the energy storage spring b 114 are respectively sleeved on the guide sliding rods 111 at two sides of the sliding block 112. The electric drive locking mechanism comprises a locking lug 104 arranged on the lock tongue 102, a limiting mechanism 105 arranged on the lock body 100 and a motor 106; the limiting mechanism 105 comprises a locking rocker 107 capable of automatically resetting, and the locking rocker 107 is respectively in locking connection with a locking block 104a and an unlocking block 104b of the locking lug 104 when locked and unlocked; the motor 106 is in driving connection with the locking rocker 107 to drive the locking rocker 107 to be separated from the locking block 104a and the unlocking locking block 104b and unlock; the specific structure can be as follows: the locking rocker 107 comprises a locking chuck 107a and a driving tail part 107b, wherein the locking chuck 107a is used for being in locking connection with the locking block 104a and the unlocking lock block 104b, and the driving tail part 107b is in driving connection with the motor 106, and the locking chuck 107a and the driving tail part 107b are integrally connected and are in a V shape; the limiting mechanism 105 further includes a rocker seat 108, the locking rocker 107 is rotatably mounted on the rocker seat 108, and a return spring 109 is disposed therebetween, and the return spring 109 is a torsion spring, and both ends of the return spring are respectively acted on the locking chuck 107a and the driving tail 107 b. The locking projection 104 comprises a locking block 104a and an unlocking locking block 104b, and the locking block 104a and the unlocking locking block 104b are two convex triangular blocks which are arranged at intervals and symmetrically; when the lock tongue is in a locking state, the locking clamp head 107a abuts against the locking block 104a; when the lock tongue is in an unlocked state, the locking clamp 107a hooks the unlocking locking block 104b. The motor 106 may be a gear motor, and a cam 110 is disposed on a rotating shaft of the gear motor, and the cam 110 is in a droplet shape and is in driving connection with the locking rocker 107 (the driving tail 107 b); when locking and unlocking, the motor 106 drives the cam 110 to rotate and acts on the locking rocker 107, so that the locking rocker 107 is separated from the locking block 104a and the unlocking block 104b to unlock. The slide block 112 is further provided with a latch handle 115 for manually driving the latch 102 to an unlocked state.
The invention provides a low-power consumption passive electromagnetic lock with an automatic locking function, which has the working principle that: at the beginning, the electromagnetic lock is in an unlocking state (as shown in fig. 2), at the moment, the locking elastic driving unit (the energy storage spring a 113) stores energy, and the unlocking elastic driving unit (the energy storage spring b 114) does not store energy; when the electric drive locking mechanism (motor 106) receives an incoming call signal (the high-voltage cabinet suddenly comes or the high-voltage cabinet is not electrified and is manually locked), the electric drive locking mechanism releases the locking of the lock tongue 102, namely, the motor 106 drives the cam 110 to rotate and acts on the driving tail part 107b of the lock rocker 107, so that the lock rocker 107 moves, the lock chuck 107a is separated from the unlocking locking block 104b (as shown in fig. 3), at the moment, the lock elastic driving unit (energy storage spring a 113 releases energy) pushes the lock tongue 102 to move into the lock hole 101 to realize locking, the motor 106 continuously rotates and drives the cam 110 to separate from the driving tail part 107b of the lock rocker 107, (as shown in fig. 4), and meanwhile, the lock rocker 107 automatically resets (under the action of the reset spring 109), so that the lock chuck 107a is propped against the locking block 104a on the lock tongue 102 in a locked state, at the moment, the whole lock body is in a locked state, the lock elastic driving unit (energy storage spring a 113) does not store energy, and the lock elastic driving unit (energy storage spring b 114) stores energy; when the electrically driven locking mechanism (motor 106) receives the unlocking signal, the electrically driven locking mechanism releases the locking of the lock tongue 102, that is, the motor 106 drives the cam 110 to rotate and acts on the driving tail portion 107b of the locking rocker 107, so that the locking rocker 107 moves and the locking chuck 107a is separated from the locking block 104a (as shown in fig. 3), at this time, the unlocking elastic driving unit (energy storage spring b 114 releases energy) pushes the lock tongue 102 to move and the locking chuck 107a is staggered from the locking block 104a (as shown in fig. 5), and if the ground knife of the high-voltage equipment is to be operated, the lock tongue 102 needs to be pressed and driven to an unlocking state (as shown in fig. 2) by manual operation (holding the lock tongue handle 115).
Therefore, the electromagnetic lock only needs short time to touch the electric drive locking mechanism in the unlocking and locking processes, the required energy is extremely small, the working power supply only comes from induction electricity taken by the high-voltage electrified display device, the problem of high power consumption of the conventional passive electromagnetic lock is effectively solved, the installation of the electromagnetic lock is convenient, meanwhile, the grounding switch can be prevented from being manually and wrongly operated when the high-voltage cabinet is suddenly powered on, and the operation safety and the power transmission stability are greatly improved.
Of course, the locking elastic driving unit and the unlocking elastic driving unit may be energy storage elastic pieces respectively disposed on two sides of the slider 112, and the energy storage elastic pieces are in driving connection with the slider 112 or the latch 102. Moreover, the bolt 102 may also be movably mounted on the lock body 100 by using a slide rail structure, for example: the lock tongue 102 is provided with a linear slide rail, the lock tongue 102 can be movably clamped on the linear slide rail through a slide groove or a slide block arranged on the lock tongue 102, at the moment, the locking elastic driving unit and the unlocking elastic driving unit can be energy storage elastic pieces, and the energy storage elastic pieces are in driving connection with the lock tongue 102.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (6)

1. The low-power-consumption passive electromagnetic lock with the automatic locking function is characterized by comprising a lock body (100) provided with a lock hole (101), wherein the lock body (100) is provided with a lock tongue (102) capable of moving into the lock hole (101) to realize locking and manual resetting, an electrically driven locking mechanism for locking the lock tongue (102) in a locking state and an unlocking state, a locking elastic driving unit for driving the lock tongue (102) into the lock hole (101) and an unlocking elastic driving unit for separating the lock tongue (102) in the locking state from the electrically driven locking mechanism;
the electric drive locking mechanism comprises a locking lug (104) arranged on the lock tongue (102), a limiting mechanism (105) arranged on the lock body (100) and a motor (106); the limiting mechanism (105) comprises a locking rocker (107) capable of automatically resetting, and when the locking rocker is locked and unlocked, the locking rocker (107) is respectively in locking connection with a locking block (104 a) of the locking lug (104) and an unlocking block (104 b); a cam (110) is arranged on a rotating shaft of the motor (106), and the cam (110) is in driving connection with the locking rocker (107); when locking and unlocking, the motor (106) drives the cam (110) to rotate and acts on the locking rocker (107), so that the locking rocker (107) is separated from the locking block (104 a) and the unlocking block (104 b) to be unlocked;
two parallel guide slide bars (111) are arranged on the lock body (100), and a sliding block (112) is arranged on the guide slide bars (111); the lock tongue (102) is arranged between the two guide slide bars (111) and is connected with the slide block (112); the locking elastic driving unit and the unlocking elastic driving unit are respectively an energy storage spring a (113) and an energy storage spring b (114), and the energy storage spring a (113) and the energy storage spring b (114) are respectively sleeved on the guide sliding rods (111) at two sides of the sliding block (112).
2. The low-power-consumption passive electromagnetic lock with an automatic locking function according to claim 1, wherein the locking rocker (107) comprises a locking chuck (107 a) for locking connection with the locking block (104 a) and the unlocking block (104 b) and a driving tail (107 b) in driving connection with the motor (106), and the locking chuck (107 a) and the driving tail (107 b) are integrally connected; the limiting mechanism (105) further comprises a rocker seat (108), the locking rocker (107) is rotatably arranged on the rocker seat (108), and a return spring (109) is arranged between the locking rocker and the rocker seat.
3. The low-power-consumption passive electromagnetic lock with an automatic locking function according to claim 2, wherein the locking projection (104) comprises a locking block (104 a) and an unlocking locking block (104 b), and the locking block (104 a) and the unlocking locking block (104 b) are two convex triangular blocks which are arranged at intervals and symmetrically; when the lock tongue is in a locking state, the locking clamp head (107 a) props against the locking block (104 a); when the lock tongue is in an unlocking state, the locking clamp head (107 a) hooks the unlocking locking block (104 b).
4. The low-power-consumption passive electromagnetic lock with an automatic locking function according to claim 1, 2 or 3, wherein the locking elastic driving unit and the unlocking elastic driving unit are respectively energy storage elastic sheets which are arranged on two sides of the sliding block (112) and are in driving connection with the sliding block (112) or the lock tongue (102).
5. The low-power-consumption passive electromagnetic lock with an automatic locking function according to claim 1, 2 or 3, wherein the lock tongue (102) is movably mounted on the lock body (100) by adopting a sliding rail structure, the locking elastic driving unit and the unlocking elastic driving unit are energy storage elastic sheets, and the energy storage elastic sheets are in driving connection with the lock tongue (102).
6. The low-power passive electromagnetic lock with an automatic locking function according to claim 5, wherein the slide block (112) is further provided with a lock tongue handle (115) for manually driving the lock tongue (102) to an unlocked state.
CN201810529614.7A 2018-05-29 2018-05-29 Low-power-consumption passive electromagnetic lock with automatic locking function Active CN108468479B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109979778B (en) * 2019-03-07 2020-07-28 浙江江山森源电器有限公司 Anti-misoperation type grounding switch
CN110118035B (en) * 2019-06-19 2024-03-15 珠海优特电力科技股份有限公司 Switch cabinet ground knife hole lockset
CN110512953B (en) * 2019-07-25 2021-02-09 深圳供电局有限公司 Lockset and using method thereof

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JP2005197168A (en) * 2004-01-09 2005-07-21 Toshiba Corp Manual operation device of switch
CN202120782U (en) * 2011-06-14 2012-01-18 福建中能电气股份有限公司 Locking device capable of preventing ring main unit live grounding misoperation
CN103107037A (en) * 2011-11-11 2013-05-15 施耐德电器工业公司 Shutting mechanism for looped network cabinet and looped network cabinet
CN205376346U (en) * 2015-12-01 2016-07-06 广东电网有限责任公司佛山供电局 Electrified ground sword device that closes is prevented to switch board
CN107123559A (en) * 2017-06-29 2017-09-01 国网河南省电力公司济源供电公司 A kind of special blocking mechanism of double-bus disconnecting link earthing knife-switch
CN208702277U (en) * 2018-05-29 2019-04-05 长园共创电力安全技术股份有限公司 A kind of passive electromagnetic lock with automatic blocking function of low-power consumption

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005197168A (en) * 2004-01-09 2005-07-21 Toshiba Corp Manual operation device of switch
CN202120782U (en) * 2011-06-14 2012-01-18 福建中能电气股份有限公司 Locking device capable of preventing ring main unit live grounding misoperation
CN103107037A (en) * 2011-11-11 2013-05-15 施耐德电器工业公司 Shutting mechanism for looped network cabinet and looped network cabinet
CN205376346U (en) * 2015-12-01 2016-07-06 广东电网有限责任公司佛山供电局 Electrified ground sword device that closes is prevented to switch board
CN107123559A (en) * 2017-06-29 2017-09-01 国网河南省电力公司济源供电公司 A kind of special blocking mechanism of double-bus disconnecting link earthing knife-switch
CN208702277U (en) * 2018-05-29 2019-04-05 长园共创电力安全技术股份有限公司 A kind of passive electromagnetic lock with automatic blocking function of low-power consumption

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