CN107123559A - A kind of special blocking mechanism of double-bus disconnecting link earthing knife-switch - Google Patents

A kind of special blocking mechanism of double-bus disconnecting link earthing knife-switch Download PDF

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Publication number
CN107123559A
CN107123559A CN201710518190.XA CN201710518190A CN107123559A CN 107123559 A CN107123559 A CN 107123559A CN 201710518190 A CN201710518190 A CN 201710518190A CN 107123559 A CN107123559 A CN 107123559A
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China
Prior art keywords
knife
electromagnetic lock
busbar
double
fixed seat
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CN201710518190.XA
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马文宣
曹红霞
马章迪
常军
李明利
张前进
王菊梅
李麦玲
李晋成
郜涛
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Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
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Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
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Priority to CN201710518190.XA priority Critical patent/CN107123559A/en
Publication of CN107123559A publication Critical patent/CN107123559A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms

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Abstract

本发明涉及一种双母线刀闸地刀的专用闭锁机构,它包括接地刀闸机构箱,所述的接地刀闸机构箱的上表面设置有母线地刀闸,所述的母线地刀闸的侧面上靠近底端的位置设置有支铰座,所述的支铰座通过转轴连接有操作杆,所述的接地刀闸机构箱的外表面上支铰座的下方设置有固定座A和固定座B,所述的固定座A和固定座B分别位于操作杆的左右两侧,所述的固定座B上固定有电磁锁,所述的电磁锁为安装有锁舌的电磁锁,所述的电磁锁的锁舌设置在操作杆周围远离接地刀闸机构箱的一侧,所述的电磁锁与控制器相连,所述的控制器与双母线开关柜信号检测装置相连;总的,本发明具有结构设计合理、可有效防止对操作杆的误操作、保证用电安全的优点。

The invention relates to a special locking mechanism for a double-busbar knife switch, which includes a grounding knife mechanism box. The upper surface of the grounding knife mechanism box is provided with a busbar knife switch. The busbar ground knife A hinge seat is provided near the bottom on the side, and the hinge seat is connected to an operating rod through a rotating shaft. A fixed seat A and a fixed seat are arranged below the hinge seat on the outer surface of the grounding knife switch mechanism box. B, the fixed seat A and the fixed seat B are respectively located on the left and right sides of the operating rod, the electromagnetic lock is fixed on the fixed seat B, and the electromagnetic lock is an electromagnetic lock equipped with a dead bolt. The deadbolt of the electromagnetic lock is arranged on the side away from the grounding knife switch mechanism box around the operating rod, the electromagnetic lock is connected with the controller, and the controller is connected with the signal detection device of the double-bus switchgear; in general, the present invention The utility model has the advantages of reasonable structural design, effective prevention of misoperation of the operating rod, and guarantee of electricity safety.

Description

一种双母线刀闸地刀的专用闭锁机构A Special Locking Mechanism for Ground Knife with Double-busbar Knife Switch

技术领域technical field

本发明属于电力工具技术领域,具体涉及一种双母线刀闸地刀的专用闭锁机构。The invention belongs to the technical field of power tools, and in particular relates to a special locking mechanism for a double-busbar knife switch ground knife.

背景技术Background technique

为了使用方便,在母线地刀闸上安装有操作杆,为了防止闲杂人等对母线地刀闸的随意操作,在操作完成后需要对操作杆进行锁止,现有的锁止方法是在操作杆铰接轴的旁边安装挂锁,通过挂锁限制操作杆的转动,该方法虽然可以在一定程度上防止不相干人员对母线地刀闸的动作,但是在双母线未完全断开的情况下,只要打开挂锁依然可以对母线地刀闸进行动作,使用安全性较低;因此,提供一种结构设计合理、可有效防止对操作杆的误操作、保证用电安全的双母线刀闸地刀的专用闭锁机构是非常必要的。For the convenience of use, an operating lever is installed on the busbar switch. In order to prevent random people from randomly operating the busbar switch, the operating lever needs to be locked after the operation is completed. The existing locking method is to operate A padlock is installed next to the hinge shaft of the rod, and the rotation of the operating rod is restricted by the padlock. Although this method can prevent irrelevant personnel from operating the busbar switch to a certain extent, when the double busbars are not completely disconnected, as long as they are opened The padlock can still act on the ground switch of the busbar, and the use safety is low; therefore, a special lock for the ground switch of the double busbar switch with reasonable structure design, which can effectively prevent the misoperation of the operating lever and ensure the safety of electricity is provided. Institutions are very necessary.

发明内容Contents of the invention

本发明的目的是为了克服现有技术的不足,而提供一种结构设计合理、可有效防止对操作杆的误操作、保证用电安全的双母线刀闸地刀的专用闭锁机构。The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a special locking mechanism for double-busbar knife gate ground knife with reasonable structural design, which can effectively prevent misoperation of the operating rod and ensure the safety of electricity use.

本发明的目的是这样实现的:一种双母线刀闸地刀的专用闭锁机构,它包括接地刀闸机构箱,所述的接地刀闸机构箱的上表面设置有母线地刀闸,所述的母线地刀闸的侧面上靠近底端的位置设置有支铰座,所述的支铰座通过转轴连接有操作杆,所述的接地刀闸机构箱的外表面上支铰座的下方设置有固定座A和固定座B,所述的固定座A和固定座B分别位于操作杆的左右两侧,所述的固定座B上固定有电磁锁,所述的电磁锁为安装有锁舌的电磁锁,所述的电磁锁的锁舌设置在操作杆周围远离接地刀闸机构箱的一侧,所述的电磁锁与控制器相连,所述的控制器与双母线开关柜信号检测装置相连。The purpose of the present invention is achieved in the following way: a special locking mechanism for double-busbar knife switch ground knife, which includes a grounding knife switch mechanism box, the upper surface of the grounding knife switch mechanism box is provided with a busbar ground knife switch, the The side of the ground knife switch of the busbar is provided with a hinge seat near the bottom end, and the hinge seat is connected with an operating rod through a rotating shaft. The fixed seat A and the fixed seat B, the fixed seat A and the fixed seat B are respectively located on the left and right sides of the operating rod, the electromagnetic lock is fixed on the fixed seat B, and the electromagnetic lock is equipped with a deadbolt Electromagnetic lock, the deadbolt of the electromagnetic lock is set on the side of the operating rod away from the grounding knife switch mechanism box, the electromagnetic lock is connected to the controller, and the controller is connected to the signal detection device of the double busbar switch cabinet .

所述的固定座A上与电磁锁的锁舌相对应的位置设置有限位孔。Limiting holes are provided on the fixed seat A corresponding to the dead bolt of the electromagnetic lock.

所述的操作杆的外表面上靠近末端的位置设置有防滑套。An anti-slip sleeve is provided on the outer surface of the operating rod near the end.

所述的母线地刀闸的外侧面上支铰座的上方设置有限位装置。A limiting device is arranged above the hinge seat on the outer surface of the busbar ground knife switch.

所述的电磁锁为常闭式户外电磁锁。The electromagnetic lock is a normally closed outdoor electromagnetic lock.

本发明的有益效果:本发明中,在双母线完全断开时,双母线开关信号检测装置将检测到的信号传送至控制器,由控制器控制电磁锁通电,电磁锁上的锁舌在吸引磁力的作用下回缩至电磁锁内,此时,可将操作杆扳动至水平位置,通过水平扳动操作杆带动母线地刀闸动作;而在双母线中至少一根母线未断开时,双母线开关信号检测装置将检测到的信息传送至控制器,控制器控制电磁锁闭锁,防止在母线通电的状态下,扳动操作杆带动母线地刀闸动作,从而保证用电安全;总的,本发明具有结构设计合理、可有效防止对操作杆的误操作、保证用电安全的优点。Beneficial effects of the present invention: In the present invention, when the double busbars are completely disconnected, the double busbar switch signal detection device transmits the detected signal to the controller, and the controller controls the energization of the electromagnetic lock, and the deadbolt on the electromagnetic lock is attracting Under the action of the magnetic force, it retracts into the electromagnetic lock. At this time, the operating lever can be pulled to the horizontal position, and the knife switch of the busbar is driven by horizontally pulling the operating lever; and when at least one busbar in the double busbars is not disconnected , the double-bus switch signal detection device transmits the detected information to the controller, and the controller controls the electromagnetic lock to prevent the operation lever from driving the knife switch of the bus when the bus is energized, so as to ensure the safety of electricity use; Yes, the present invention has the advantages of reasonable structural design, effective prevention of misoperation of the operating rod, and guarantee of electricity safety.

附图说明Description of drawings

图1是本发明一种双母线刀闸地刀的专用闭锁机构的主视结构示意图。Fig. 1 is a schematic diagram of the front view of a special locking mechanism for a ground knife with double busbar knife gates according to the present invention.

图2是本发明一种双母线刀闸地刀的专用闭锁机构的俯视结构示意图。Fig. 2 is a top view structural schematic diagram of a special locking mechanism of a ground knife with double busbar knife gate according to the present invention.

图3是本发明一种双母线刀闸地刀的专用闭锁机构的电连接示意图。Fig. 3 is a schematic diagram of the electrical connection of a dedicated locking mechanism for a ground knife with double-busbar knife gates according to the present invention.

图中:1、接地刀闸机构箱 2、限位装置 3、母线地刀闸 4、支铰座 5、转轴 6、操作杆 7、固定座A 8、限位孔 9、锁舌 10、防滑套 11、固定座B 12、电磁锁 13、控制器。In the figure: 1. Grounding knife switch mechanism box 2, limit device 3, bus ground knife switch 4, hinge seat 5, rotating shaft 6, operating rod 7, fixing seat A 8, limit hole 9, lock tongue 10, anti-slip Cover 11, fixed seat B 12, electromagnetic lock 13, controller.

具体实施方式detailed description

下面结合附图对本发明做进一步的说明。The present invention will be further described below in conjunction with the accompanying drawings.

实施例1Example 1

如图1所示,一种双母线刀闸地刀的专用闭锁机构,它包括接地刀闸机构箱1,所述的接地刀闸机构箱1的上表面设置有母线地刀闸3,所述的母线地刀闸3的侧面上靠近底端的位置设置有支铰座4,所述的支铰座4通过转轴5连接有操作杆6,所述的接地刀闸机构箱1的外表面上支铰座4的下方设置有固定座A7和固定座B11,所述的固定座A7和固定座B11分别位于操作杆6的左右两侧,所述的固定座B11上固定有电磁锁12,所述的电磁锁12为安装有锁舌9的电磁锁12,所述的电磁锁12的锁舌9设置在操作杆6周围远离接地刀闸机构箱1的一侧,所述的电磁锁12与控制器13相连,所述的控制器13与双母线开关柜信号检测装置相连。As shown in Fig. 1, a kind of special locking mechanism of double bus bar switch ground knife, it comprises grounding knife switch mechanism box 1, the upper surface of described grounding knife switch mechanism box 1 is provided with busbar ground knife switch 3, described The side of the ground knife switch 3 of the busbar is provided with a hinge seat 4 near the bottom end, and the hinge seat 4 is connected with an operating rod 6 through a rotating shaft 5, and the outer surface of the ground knife switch mechanism box 1 supports The bottom of the hinge seat 4 is provided with a fixed seat A7 and a fixed seat B11, the fixed seat A7 and the fixed seat B11 are respectively located on the left and right sides of the operating rod 6, and the electromagnetic lock 12 is fixed on the described fixed seat B11. The electromagnetic lock 12 is an electromagnetic lock 12 equipped with a deadbolt 9, and the deadbolt 9 of the electromagnetic lock 12 is arranged on the side of the operating rod 6 away from the grounding knife switch mechanism box 1, and the electromagnetic lock 12 is connected with the control The controller 13 is connected, and the controller 13 is connected with the signal detection device of the double-bus switchgear.

本发明中,在双母线完全断开时,双母线开关信号检测装置将检测到的信号传送至控制器13,由控制器13控制电磁锁12通电,电磁锁12上的锁舌9在吸引磁力的作用下回缩至电磁锁12内,此时,可将操作杆6扳动至水平位置,通过水平扳动操作杆6带动母线地刀闸3动作;而在双母线中至少一根母线未断开时,双母线开关信号检测装置将检测到的信息传送至控制器13,控制器13控制电磁锁闭锁12,防止在母线通电的状态下,扳动操作杆6带动母线地刀闸动作,从而保证用电安全;总的,本发明具有结构设计合理、可有效防止对操作杆的误操作、保证用电安全的优点。In the present invention, when the double busbars are completely disconnected, the double busbar switch signal detection device transmits the detected signal to the controller 13, and the controller 13 controls the energization of the electromagnetic lock 12, and the dead bolt 9 on the electromagnetic lock 12 is attracting magnetic force. Under the action of retracting into the electromagnetic lock 12, at this time, the operating lever 6 can be pulled to the horizontal position, and the knife switch 3 of the bus is driven by the horizontal pulling of the operating lever 6; and at least one bus in the double bus is not When it is disconnected, the double-bus switch signal detection device transmits the detected information to the controller 13, and the controller 13 controls the electromagnetic lock 12 to prevent the operation lever 6 from driving the knife switch of the bus to act when the bus is energized. Therefore, the safety of electricity use is ensured; in general, the present invention has the advantages of reasonable structural design, effective prevention of misoperation of the operating rod, and guarantee of safety of electricity use.

实施例2Example 2

如图1所示,一种双母线刀闸地刀的专用闭锁机构,它包括接地刀闸机构箱1,所述的接地刀闸机构箱1的上表面设置有母线地刀闸3,所述的母线地刀闸3的侧面上靠近底端的位置设置有支铰座4,所述的支铰座4通过转轴5连接有操作杆6,所述的接地刀闸机构箱1的外表面上支铰座4的下方设置有固定座A7和固定座B11,所述的固定座A7和固定座B11分别位于操作杆6的左右两侧,所述的固定座B11上固定有电磁锁12,所述的电磁锁12为安装有锁舌9的电磁锁12,所述的电磁锁12的锁舌9设置在操作杆6周围远离接地刀闸机构箱1的一侧,所述的电磁锁12与控制器13相连,所述的控制器13与双母线开关柜信号检测装置相连,所述的固定座A7的上与电磁锁12的锁舌9相对应的位置设置有限位孔8,所述的操作杆6的外表面上靠近末端的位置设置有防滑套10,所述的母线地刀闸3的外侧面上支铰座4的上方设置有限位装置2,所述的电磁锁12为常闭式户外电磁锁。As shown in Fig. 1, a kind of special locking mechanism of double bus bar switch ground knife, it comprises grounding knife switch mechanism box 1, the upper surface of described grounding knife switch mechanism box 1 is provided with busbar ground knife switch 3, described The side of the ground knife switch 3 of the busbar is provided with a hinge seat 4 near the bottom end, and the hinge seat 4 is connected with an operating rod 6 through a rotating shaft 5, and the outer surface of the ground knife switch mechanism box 1 supports The bottom of the hinge seat 4 is provided with a fixed seat A7 and a fixed seat B11, the fixed seat A7 and the fixed seat B11 are respectively located on the left and right sides of the operating rod 6, and the electromagnetic lock 12 is fixed on the described fixed seat B11. The electromagnetic lock 12 is an electromagnetic lock 12 equipped with a deadbolt 9, and the deadbolt 9 of the electromagnetic lock 12 is arranged on the side of the operating rod 6 away from the grounding knife switch mechanism box 1, and the electromagnetic lock 12 is connected with the control connected to the device 13, the controller 13 is connected to the signal detection device of the double-bus switchgear, the position of the fixed seat A7 corresponding to the bolt 9 of the electromagnetic lock 12 is provided with a limit hole 8, and the operation An anti-slip sleeve 10 is provided on the outer surface of the rod 6 close to the end, and a limit device 2 is provided above the hinge seat 4 on the outer surface of the busbar ground knife switch 3, and the electromagnetic lock 12 is normally closed. Outdoor electromagnetic lock.

本发明中,在双母线完全断开时,双母线开关信号检测装置将检测到的信号传送至控制器13,由控制器13控制电磁锁12通电,电磁锁12上的锁舌9在吸引磁力的作用下回缩至电磁锁12内,此时,可将操作杆6扳动至水平位置,通过水平扳动操作杆6带动母线地刀闸3动作;而在双母线中至少一根母线未断开时,双母线开关信号检测装置将检测到的信息传送至控制器13,控制器13控制电磁锁闭锁12,防止在母线通电的状态下,扳动操作杆6带动母线地刀闸动作,从而保证用电安全;固定座A7上与电磁锁12的锁舌9相对应的位置设置有限位孔8,对锁舌9的外端进行固定;操作杆6的外表面上靠近末端的位置设置有防滑套10,便于控制操纵杆6;母线地刀闸3的外侧面上支铰座4的上方设置有限位装置2,限制操作杆6向上的位移范围,防止挤压手指;总的,本发明具有结构设计合理、可有效防止对操作杆的误操作、保证用电安全的优点。In the present invention, when the double busbars are completely disconnected, the double busbar switch signal detection device transmits the detected signal to the controller 13, and the controller 13 controls the energization of the electromagnetic lock 12, and the dead bolt 9 on the electromagnetic lock 12 is attracting magnetic force. Under the action of retracting into the electromagnetic lock 12, at this time, the operating lever 6 can be pulled to the horizontal position, and the knife switch 3 of the bus is driven by the horizontal pulling of the operating lever 6; and at least one bus in the double bus is not When it is disconnected, the double-bus switch signal detection device transmits the detected information to the controller 13, and the controller 13 controls the electromagnetic lock 12 to prevent the operation lever 6 from driving the knife switch of the bus to act when the bus is energized. Thereby ensure the safety of using electricity; On the fixed seat A7, the position corresponding to the dead bolt 9 of the electromagnetic lock 12 is provided with a limit hole 8, and the outer end of the dead bolt 9 is fixed; There is an anti-slip sleeve 10, which is convenient for controlling the joystick 6; a limit device 2 is arranged above the hinge seat 4 on the outer surface of the busbar ground knife switch 3, which limits the upward displacement range of the joystick 6 and prevents the fingers from being squeezed; in general, this The invention has the advantages of reasonable structural design, effective prevention of misoperation of the operating rod, and guarantee of electricity safety.

Claims (5)

1.一种双母线刀闸地刀的专用闭锁机构,它包括接地刀闸机构箱,其特征在于:所述的接地刀闸机构箱的上表面设置有母线地刀闸,所述的母线地刀闸的侧面上靠近底端的位置设置有支铰座,所述的支铰座通过转轴连接有操作杆,所述的接地刀闸机构箱的外表面上支铰座的下方设置有固定座A和固定座B,所述的固定座A和固定座B分别位于操作杆的左右两侧,所述的固定座B上固定有电磁锁,所述的电磁锁为安装有锁舌的电磁锁,所述的电磁锁的锁舌设置在操作杆周围远离接地刀闸机构箱的一侧,所述的电磁锁与控制器相连,所述的控制器与双母线开关柜信号检测装置相连。1. A special locking mechanism for a double-busbar knife switch ground knife, which includes a grounding knife switch mechanism box, characterized in that: the upper surface of the grounding knife switch mechanism box is provided with a busbar ground knife switch, and the described busbar ground On the side of the knife switch near the bottom end, a hinge seat is provided, and the hinge seat is connected with an operating rod through a rotating shaft, and a fixed seat A is arranged below the hinge seat on the outer surface of the grounded knife switch mechanism box. and the fixed seat B, the fixed seat A and the fixed seat B are respectively located on the left and right sides of the operating rod, the electromagnetic lock is fixed on the fixed seat B, and the electromagnetic lock is an electromagnetic lock equipped with a dead bolt, The deadbolt of the electromagnetic lock is arranged around the operating rod on a side away from the grounding knife switch mechanism box, and the electromagnetic lock is connected to a controller, and the controller is connected to a signal detection device of a double-bus switch cabinet. 2.根据权利要求1所述的一种双母线刀闸地刀的专用闭锁机构,其特征在于:所述的固定座A上与电磁锁的锁舌相对应的位置设置有限位孔。2. A special locking mechanism for a ground knife with double busbar knife gate according to claim 1, characterized in that: said fixing seat A is provided with a limit hole at a position corresponding to the bolt of the electromagnetic lock. 3.根据权利要求1所述的一种双母线刀闸地刀的专用闭锁机构,其特征在于:所述的操作杆的外表面上靠近末端的位置设置有防滑套。3. A special locking mechanism for a ground knife with a double-busbar knife switch according to claim 1, wherein an anti-slip sleeve is provided on the outer surface of the operating rod near the end. 4.根据权利要求1所述的一种双母线刀闸地刀的专用闭锁机构,其特征在于:所述的母线地刀闸的外侧面上支铰座的上方设置有限位装置。4. A special locking mechanism for double-busbar knife-gate ground knife according to claim 1, characterized in that: a limiting device is arranged above the hinge seat on the outer surface of the busbar ground knife-gate. 5.根据权利要求1所述的一种双母线刀闸地刀的专用闭锁机构,其特征在于:所述的电磁锁为常闭式户外电磁锁。5. A special locking mechanism for a ground knife with double busbar knife gates according to claim 1, characterized in that: said electromagnetic lock is a normally closed outdoor electromagnetic lock.
CN201710518190.XA 2017-06-29 2017-06-29 A kind of special blocking mechanism of double-bus disconnecting link earthing knife-switch Pending CN107123559A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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CN203607281U (en) * 2013-12-13 2014-05-21 国家电网公司 Misoperation-preventive locking device for incoming-line side earthing knife-switch of transformer station
CN204045953U (en) * 2014-06-12 2014-12-24 金川集团股份有限公司 A kind of locking device preventing high voltage power distributing cabinet combined floodgate grounding switch with voltage
CN204927932U (en) * 2015-09-14 2015-12-30 广西电网有限责任公司梧州供电局 Dolly of PT cabinet busbar grounding is exclusively used in
CN206991975U (en) * 2017-06-29 2018-02-09 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

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN203607281U (en) * 2013-12-13 2014-05-21 国家电网公司 Misoperation-preventive locking device for incoming-line side earthing knife-switch of transformer station
CN204045953U (en) * 2014-06-12 2014-12-24 金川集团股份有限公司 A kind of locking device preventing high voltage power distributing cabinet combined floodgate grounding switch with voltage
CN204927932U (en) * 2015-09-14 2015-12-30 广西电网有限责任公司梧州供电局 Dolly of PT cabinet busbar grounding is exclusively used in
CN206991975U (en) * 2017-06-29 2018-02-09 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468479A (en) * 2018-05-29 2018-08-31 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
CN108468479B (en) * 2018-05-29 2024-03-29 长园共创电力安全技术股份有限公司 Low-power-consumption passive electromagnetic lock with automatic locking function

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Application publication date: 20170901