CN211714819U - Ground wire lock capable of reducing mistaken hanging or missed disconnecting of ground wire - Google Patents

Abstract

The utility model discloses a ground wire lock for reducing the mistaken hanging or the missed dismounting of a ground wire, which comprises a first lock body and a second lock body which are mutually separable or matched; the lock comprises a first lock body, a second lock body, a locking mechanism and a state switch, wherein the first lock body is used for locking the second lock body on the first lock body when being matched with the second lock body, the locking mechanism can be unlocked by using a specific unlocking key, the locking mechanism comprises an unlocking hole matched with the specific unlocking key, a radio frequency tag is arranged on the unlocking hole, the state switch is electrically connected with the radio frequency tag, the state switch is arranged in a space matched with the first lock body and the second lock body, and the second lock body is locked on the first lock body and simultaneously triggered when being matched with the first lock body. The utility model discloses can reflect articulating or demolising the state of ground wire indirectly, can avoid the mistake to articulate or the condition of neglecting to tear the ground wire open takes place.

Description

Ground wire lock capable of reducing mistaken hanging or missed disconnecting of ground wire

Technical Field

The utility model belongs to the technical field of electric power prevents the maloperation, especially, relate to a ground wire lock.

Background

At present, a temporary grounding wire mode is adopted for grounding of overhead lines of 10kV distribution networks. The grounding wires are not managed in a unified mode, the grounding wires are easy to be hung and dismounted in a wrong mode in the maintenance process, and particularly, the grounding wires are dismounted in a missing mode, so that a safety accident of 'power transmission with the grounding wires (grounding disconnecting links)' can be caused.

At present, the work permission of distribution network overhaul is changed from scheduling issue to on-site permission of operators. And after the distribution network line is overhauled, the grounding state is confirmed by operators on site. Due to the wide distribution of distribution network lines, particularly overhead lines, the shortage of operators and the insufficient manpower, the power transmission with grounding wires (grounding disconnecting links) is caused by the fact that only the important points are confirmed and not confirmed one by one sometimes.

In the current distribution network maintenance operation management regulations, it is required to ensure that grounding switches at all ends of a circuit are pulled open or withdrawn in the power transmission process, otherwise, five-prevention' prevention of power transmission with a grounding wire (grounding switch) in the operation regulations is violated, so that operation accidents occur. How to utilize technical means help operation personnel and maintainer to know the ground connection condition of circuit fast, confirm the state of articulating of ground wire, especially the condition of articulating of overhead line earthing wire to reduce the condition of mistake string or neglected to tear open the ground wire, avoid taking place the maloperation, be the problem that awaits the solution at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a reduce the mistake and hang or leak the earth connection lock of taking out stitches, its state that can feed back the earth connection lock to can indirectly judge the state that articulates of earth connection, reduce the mistake and hang or leak the condition of taking out stitches.

In order to solve the technical problem, the utility model adopts the following technical scheme: the ground wire lock for reducing mistaken hanging or missed disconnecting of the ground wire comprises a first lock body and a second lock body which are mutually separable or matched, wherein the first lock body and the second lock body are respectively provided with a ground wire connecting part for fixedly connecting the ground wire; be equipped with on the first lock body be used for when the first lock body with the cooperation of second lock body will the second lock body locks locking mechanism on the first lock body, locking mechanism can use specific unblock key to unblock, locking mechanism is including being used for with specific unblock key complex unlocking hole, be equipped with radio frequency identification on the unlocking hole, its characterized in that: the radio frequency tag comprises a first lock body, a second lock body, a state switcher and a radio frequency tag, wherein the state switcher is electrically connected with the radio frequency tag, the state switcher is arranged in a space where the first lock body is matched with the second lock body, the second lock body is locked on the first lock body and simultaneously triggered when the second lock body is matched with the first lock body, the radio frequency tag comprises an antenna, a first radio frequency chip and a second radio frequency chip, the antenna is electrically connected with the first radio frequency chip when the state switcher is not triggered, the second radio frequency chip is switched to be connected with the antenna when the state switcher is triggered, and the antenna is used for communicating with a code reading device on a specific unlocking key.

The first lock body and the second lock body of the ground wire lock are fixedly arranged at two end points on the ground wire, when the first lock body is matched with the second lock body, the ground wire can be bent, so that the length of the ground wire is not enough to be hung on a line, when the ground wire is to be hung, the locking mechanism is unlocked by using a special key, the first lock body and the second lock body are separated, and the length of the ground wire is enough to be hung on the line. An unlocking key (also called a computer key) commonly used in the field of microcomputer error prevention is provided with a code reading device, code values stored in a radio frequency tag can be read, the radio frequency tag is provided with two radio frequency chips, when a first lock body is separated from a second lock body, namely a state switcher is not triggered, the first radio frequency chip is electrically connected with an antenna, so that the unlocking key can read the code value of one radio frequency chip, the code value is associated with the hanging of a ground wire (namely the code value is read, the ground wire can be considered to be hung), when the first lock body is matched with the second lock body (namely the ground wire is bent, locked and cannot be stretched), the state switcher is triggered to switch the second radio frequency chip to be connected with the antenna, the unlocking key reads the code value of the radio frequency chip, and the ground wire can be considered to be detached. Therefore, the hanging state of the ground wire can be indirectly confirmed by reading the unlocking state of the ground wire lock in the process of hanging the ground wire and removing the ground wire through the unlocking key, and the condition of mistakenly hanging or neglected detaching the ground wire can be reduced.

Specifically, the state switcher comprises a microswitch, and the microswitch is triggered when the first lock body is matched with the second lock body.

Specifically, the first lock body is matched with the second lock body in a plug-in mode, and an anti-reverse-plug structure is arranged between the first lock body and the second lock body to limit the second lock body to be matched with the first lock body in a specific posture.

In one embodiment, a slot is provided on the first lock body, an insertion portion that fits with the slot is provided on the second lock body, a protrusion that protrudes from the first lock body is provided on one side of the slot on the first lock body, and the protrusion is avoided in the insertion direction when the second lock body fits with the first lock body.

In one embodiment, a slot is provided on the first lock body, an insertion portion that is engaged with the slot is provided on the second lock body, and an engagement end surface of the slot and the insertion portion is asymmetric with respect to a plane formed by an insertion direction.

Therefore, the inserting part can be inserted into the slot in one posture, and reverse insertion is avoided.

Specifically, a slot is arranged on the first lock body, an inserting portion matched with the slot is arranged on the second lock body, the state switcher is arranged inside the slot, and the state switcher is triggered after the inserting portion is completely inserted into the slot.

Specifically, in one embodiment, the state switcher includes a micro switch and a trigger elastically connected to the micro switch, an elastic member is disposed between the trigger and the micro switch, the plug part triggers the trigger when inserted into the slot, the trigger is pushed to move so as to trigger the micro switch, and the elastic member resets the trigger when the plug part is separated from the trigger.

The state switch still includes casing and sealed isolator, the casing is equipped with independent first installation room that is used for installing micro-gap switch, and is used for the installation the second installation room of trigger piece, sealed isolator install in between first installation room and the second installation room, will first installation room and second installation room keep apart sealedly, sealed isolator one end with trigger piece connects, the other end with micro-gap switch connects, sealed isolator makes for elastic material.

Specifically, still be equipped with balanced subassembly in the slot, balanced subassembly includes the balancing piece, the balancing piece with trigger the piece shape the same and with trigger the symmetrical setting of piece, the balancing piece also is connected with the elastic component.

Specifically, the second lock body comprises a first clamping piece, a second clamping piece and a shielding piece; the first clamping piece is connected with the second clamping piece through a first threaded fastener, the shielding piece is arranged on one side of the operation end of the first fastener to shield the operation end of the first fastener, a clamping space for fixedly connecting a ground wire is arranged between the first clamping piece and the second clamping piece, the inserting part is arranged on the first clamping piece, one end of the first clamping piece, which is opposite to the inserting part, bends towards the shielding piece to form a first connecting part connected with the shielding piece, one end of the second clamping piece, which is far away from the first connecting part, bends towards the shielding piece to form a second connecting part connected with the shielding piece, the first connecting part is provided with a connecting groove, one end of the shielding piece is provided with an inserting plate matched with the connecting groove, the other end of the shielding piece is connected with the second connecting part through a second threaded fastener, and the first lock body is matched with the second lock body, the second lock body shields the operating end of the second threaded fastener.

Specifically, the first lock body comprises a lock body, the slot and the locking mechanism are arranged on the lock body, the ground wire connecting part on the first lock body is arranged on one side of the lock body, which comprises a third clamping piece and a fourth clamping piece which are connected through a third threaded fastener, wherein the third clamping piece is provided with a connecting part protruding towards the lockset body, the lock body is provided with a connecting hole matched with the connecting part, one side of the slot on the lock body is provided with a mounting hole communicated with the connecting hole, a fourth threaded fastener which is tightly connected with the connecting part is arranged in the mounting hole, the operating end of the third threaded fastener faces the lock body, the operating end of the fourth threaded fastener faces the outside of the mounting hole, and the first lock body covers the mounting hole when the first lock body and the second lock body are assembled together.

Specifically, the locking mechanism comprises a lock cylinder, a lock tongue and a driving mechanism for connecting the lock cylinder and the lock tongue, and a lock tongue matching part matched with the lock tongue is arranged on the second lock body.

The utility model adopts the above technical scheme, following beneficial effect has: the hanging or dismantling state of the ground wire can be indirectly reflected, and the situation that the ground wire is hung mistakenly or is missed to be dismantled can be avoided.

The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

fig. 1 is a schematic perspective view illustrating an assembly of a ground wire lock according to an embodiment of the present invention;

FIG. 2 is a schematic view of the ground line lock shown in FIG. 1 with the first lock body and the second lock body separated;

FIG. 3 is a perspective assembled view of the ground lock shown in FIG. 1 at another angle;

FIG. 4 is a schematic view of the ground lock internal connection structure shown in FIG. 1;

FIGS. 5 and 6 are schematic diagrams of the ground lock circuit configuration shown in FIG. 1;

FIG. 7 is a schematic diagram of the ground wire lock of FIG. 1 for locking the ground wire;

FIG. 8 is a schematic diagram of the ground wire lock of FIG. 1 for unlocking the ground wire;

figure 9 is a cross-sectional structural schematic view of the first lock body shown in figure 2;

figure 10 is a top view schematic of the first lock body of figure 2;

FIG. 11 is a schematic diagram of a state switcher;

fig. 12 is a schematic cross-sectional view illustrating the first and second lock bodies according to the embodiment of the present invention;

fig. 13 is a schematic cross-sectional view of the first lock body and the second lock body of the embodiment of the present invention in a reversed fit;

FIG. 14 is a shape of a slot on the first lock in another embodiment;

fig. 15 is another shape of the slot on the first lock in another embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict. For example, different embodiments may be formed by different combinations of specific features/embodiments, and in order to avoid unnecessary repetition, various possible combinations of the specific features/embodiments of the present invention will not be described separately.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper," "lower," "left," "right," and the like, which indicate orientation or positional relationship, are used solely to facilitate description of the invention and to simplify description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and fig. 2, the present embodiment provides a ground wire lock 10, which includes a first lock body 100 and a second lock body 200 that are separable from or engaged with each other, wherein the first lock body 100 is provided with a ground wire connection portion 110 for fixedly connecting a ground wire; the second lock body 200 is provided with a ground wire connecting part 210 for fixedly connecting a ground wire; the first lock body 100 is provided with a locking mechanism 120 for locking the second lock body 200 to the first lock body 100 when the first lock body 100 is matched with the second lock body 200, the locking mechanism 120 can be unlocked by using a specific unlocking key (not shown), the locking mechanism 120 includes an unlocking hole 121 matched with the specific unlocking key, and the unlocking hole 121 is provided with a radio frequency tag 130. The ground wire lock 10 further includes a state switch 140 electrically connected to the rf tag 130, the state switch 140 is disposed in a space on the first lock body 100 and engaged with the second lock body 200, and when the second lock body 200 is engaged with the first lock body 100, the state switch 140 is triggered while the second lock body 200 is locked on the first lock body 100. As shown in fig. 5 and 6, the rf tag 130 includes an antenna 131, a first rf chip 132 and a second rf chip 133, the antenna 131 is electrically connected to the first rf chip 132 when the status switch 140 is not triggered, the second rf chip 133 is switched to be connected to the antenna 131 when the status switch 140 is triggered, and the antenna 131 is used for communicating with a code reading device on a specific unlocking key (not shown).

As shown in fig. 7 and 8, the first lock body 100 and the second lock body 200 of the ground wire lock 10 are fixedly installed at two end points of the ground wire 20, the ground wire 20 can be bent when the first lock body 100 is matched with the second lock body 200, so that the length of the ground wire 20 is insufficient to be hung on the line, and when the ground wire 20 is to be hung, the locking mechanism is unlocked by using a special key, so that the first lock body 100 and the second lock body 200 are separated, so that the length of the ground wire 20 is sufficient to be hung on the line. An unlocking key (also called a computer key) commonly used in the field of microcomputer error prevention has a code reading device, can read code values stored in the radio frequency tag 130, since the locking mechanism 120 is provided with the rf tag 130, which has two rf chips 132 and 133, when the first lock body 100 is separated from the second lock body 200, i.e., the state switch 140 is not triggered, the first rf chip 132 is electrically connected to the antenna 131, thus, the unlock key can read a code value of the rf chip, associate the code value with the hook of the ground wire 20 (i.e. reading the code value can identify the ground wire as being hooked), when the first lock 100 is mated with the second lock 200 (i.e. the ground is bent and locked, and cannot be extended), the state switch 140 is triggered to switch the second rf chip 133 to connect with the antenna 131, and the unlock key reads the code value of the rf chip, i.e. the ground is considered to be removed. Therefore, the hanging state of the ground wire 20 can be indirectly confirmed by reading the unlocking state of the ground wire lock 10 in the process of hanging the ground wire and removing the ground wire through the unlocking key, and the condition of mistakenly hanging or neglected detaching the ground wire can be reduced.

Specifically, as shown in fig. 1, 2, 7, 8 and 9, the first lock body 100 is matched with the second lock body 200 in a plug-in manner. An anti-reverse-insertion structure is provided between the first lock body 100 and the second lock body 200 to limit the second lock body 200 to be engaged with the first lock body 100 in a specific posture.

In this embodiment, as shown in fig. 9 and 12, a slot 150 is disposed on the first lock body 100, an insertion portion 221 matched with the slot 150 is disposed on the second lock body 200, the state switching device 140 is disposed inside the slot 150, and the state switching device 140 is triggered after the insertion portion 221 is completely inserted into the slot 150.

A protrusion 160 protruding from the first lock body 100 is disposed on one side of the slot 150 of the first lock body 100, and the second lock body 200 is engaged with the first lock body 100 to avoid the protrusion 160 in the inserting direction. As shown in fig. 13, if the first lock body is inserted into the second lock body after being turned over, the second lock body cannot avoid the protrusion 160, so that the protrusion 160 blocks the second lock body from being completely inserted into the first lock body,

in particular, as shown in fig. 14 and 15, in other embodiments the mating end surfaces of the socket 150 and the mating part 221 are asymmetrical with respect to the plane formed by the mating direction. So that the insertion part 221 can be inserted into the insertion groove 150 in only one posture, preventing reverse insertion.

Specifically, as shown in fig. 9 and 11, the state switch 140 includes a micro switch 141, and the micro switch 141 is triggered when the first lock body 100 is engaged with the second lock body 200.

The state switch 140 further comprises a trigger 142 elastically connected to the micro switch 141, and an elastic member 143 is disposed between the trigger 142 and the micro switch 141, so as to facilitate resetting of the trigger 142; when the plug part 221 is inserted into the slot 150, the trigger 142 is triggered, the trigger 142 is pushed to move, so as to trigger the micro switch 141, and the elastic element 143 resets the trigger 142 when the plug part 221 is separated from the trigger 142. In this embodiment, a sealing spacer 144 is also provided between the spring 143 and the microswitch.

Since the micro switch 141, the first rf chip and the second rf chip belong to electronic devices, and are protected from water and dust during use, the state switch 140 in this application further includes a housing 145 for protecting the micro switch 141 and providing a space for installation, and the trigger 142, the elastic member 143 and the sealing spacer 144 may be further installed on the housing 145 to form a separate module for easy assembly. There are independent first installation room 1451 for installing the micro-switch 141 in the body, and the second installation room 1452 for installing the said trigger 142, the said sealed isolation member 144 is installed between said first installation room 1451 and second installation room 1452, separate and seal said first installation room 1451 and second installation room 1452, the said sealed isolation member 144 is connected with said trigger 142 on one end, another end is connected with said micro-switch 141, the said sealed isolation member 144 is made of elastic material, facilitate the sealed isolation member to be pushed and deformed and thus trigger the micro-switch 141 of the three feet when the trigger is triggered, the elastic material facilitates the sealing effect at the same time. In this embodiment, the elastic member 143 is a coil spring, the triggering member 143 is a rod-shaped member, and an annular flange is disposed at a middle portion of the elastic member 143 for supporting the spring 143, a connecting portion between the sealing spacer 144 and the triggering member 143 is a groove for stably connecting the sealing spacer to the triggering member 143, and portions of the sealing spacer respectively extend into the first mounting chamber 1451 and the second mounting chamber 1452, and portions of the sealing spacer located in the first mounting chamber 1451 and the second mounting chamber 1452 extend outward to form a flange. To further improve the waterproof sealing performance, the exposed opening of the first mounting chamber 1451 is filled with waterproof epoxy, which can provide waterproof and dustproof protection for the three-pin micro switch 141.

Specifically, as shown in fig. 4, a balance assembly is further disposed in the slot 150, the balance assembly includes a balance member 140 ', the balance member 140' has the same shape as the trigger member 142 and is symmetrically disposed with the trigger member, and the balance member is also connected to the elastic member 143.

Specifically, the second lock body 200 includes a first clip member 220, a second clip member 230, and a shutter 240; the first clip member 220 and the second clip member 230 are connected by a first threaded fastener 310, the shielding member 240 is disposed at one side of the operation end of the first fastener 310 to shield the operation end of the first fastener 310, a clamping space for fixedly connecting a ground wire is disposed between the first clip member 220 and the second clip member 230, the insertion portion 221 is disposed on the first clip member 220, one end of the first clip member 220 opposite to the insertion portion 221 is bent toward the shielding member 240 to form a first connection portion 222 connected to the shielding member 240, one end of the second clip member 230 away from the first connection portion 222 is bent toward the shielding member 240 to form a second connection portion 231 connected to the shielding member 240, the first connection portion 222 is provided with a connection groove 2221, one end of the shielding member 240 is provided with an insertion plate 241 matched with the connection groove 2221, and the other end of the shielding member 240 is connected to the second connection portion 231 by a second threaded fastener L2, when the first lock body 100 is mated with the second lock body 200, the second lock body 200 shields the operating end of the second threaded fastener L2.

Specifically, the first lock body 100 includes a lock body 190, the slot 150 and the locking mechanism are disposed on the lock body 190, the ground wire connection portion 110 on the first lock body 100 is disposed on one side of the lock body 190, and includes a third clip 111 and a fourth clip 112 connected by a third threaded fastener L3, the third clip 111 is provided with a connection portion 1112 protruding toward the lock body, the lock body 190 is provided with a connection hole 1113 matched with the connection portion 1112, the lock body 190 is provided with a mounting hole 1114 leading to the connection hole 1113 on one side of the slot, a fourth threaded fastener L4 fastened and connected with the connection portion 1112 is disposed in the mounting hole 1113, an operation end of the third threaded fastener L3 faces the lock body, an operation end of the fourth threaded fastener L4 faces outside the mounting hole 1114, and when the first lock body 100 and the second lock body 200 are assembled together, the first lock body 100 shields the mounting hole And (e) an aperture 1114.

Specifically, the locking mechanism 120 includes a lock cylinder 122, a lock tongue 123, and a driving mechanism connecting the lock cylinder 122 and the lock tongue 123, and the second lock body 200 is provided with a lock tongue engaging portion engaged with the lock tongue 123.

Advantageous effect, the utility model provides a ground wire lock can indirectly reflect hanging or demolising state of ground wire, can avoid the mistake to articulate or the condition emergence of neglected to tear the ground wire open.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. The ground wire lock for reducing mistaken hanging or missed disconnecting of the ground wire comprises a first lock body and a second lock body which are mutually separable or matched, wherein the first lock body and the second lock body are respectively provided with a ground wire connecting part for fixedly connecting the ground wire; be equipped with on the first lock body be used for when the first lock body with the cooperation of second lock body will the second lock body locks locking mechanism on the first lock body, locking mechanism can use specific unblock key to unblock, locking mechanism is including being used for with specific unblock key complex unlocking hole, be equipped with radio frequency identification on the unlocking hole, its characterized in that: the radio frequency tag comprises a first lock body, a second lock body and a radio frequency tag, and is characterized by further comprising a state switcher electrically connected with the radio frequency tag, wherein the state switcher is arranged in a space matched with the second lock body on the first lock body, the second lock body is locked on the first lock body and simultaneously triggered when the second lock body is matched with the first lock body, the radio frequency tag comprises an antenna, a first radio frequency chip and a second radio frequency chip, the antenna is electrically connected with the first radio frequency chip when the state switcher is not triggered, the second radio frequency chip is switched to be connected with the antenna when the state switcher is triggered, and the antenna is used for communicating with a code reading device on a specific unlocking key.

2. The ground wire lock of claim 1, wherein: the state switcher comprises a microswitch, and the microswitch is triggered when the first lock body is matched with the second lock body.

3. The ground wire lock of claim 1, wherein: the first lock body is matched with the second lock body in a plug-in mode, and an anti-reverse-plug structure is arranged between the first lock body and the second lock body to limit the second lock body to be matched with the first lock body in a specific posture.

4. The ground wire lock of claim 3, wherein: the lock comprises a first lock body, a second lock body and a lock body, wherein a slot is arranged on the first lock body, an inserting part matched with the slot is arranged on the second lock body, a protruding part protruding out of the first lock body is arranged on one side of the slot on the first lock body, and the second lock body is matched with the first lock body and avoids the protruding part in the inserting direction.

5. The ground wire lock of claim 1, wherein: the first lock body is provided with a slot, the second lock body is provided with an inserting part matched with the slot, the state switcher is arranged in the slot, and the state switcher is triggered after the inserting part is completely inserted into the slot.

6. The ground wire lock of claim 5, wherein: the state switcher comprises a microswitch and a trigger piece elastically connected with the microswitch, an elastic piece is arranged between the trigger piece and the microswitch, the plug-in part triggers the trigger piece when inserted into the slot to push the trigger piece to move so as to trigger the microswitch, and the elastic piece resets the trigger piece when the plug-in part is separated from the trigger piece.

7. The ground wire lock of claim 6, wherein: the state switch still includes casing and sealed isolator, the casing is equipped with independent first installation room that is used for installing micro-gap switch, and is used for the installation the second installation room of trigger piece, sealed isolator install in between first installation room and the second installation room, will first installation room and second installation room keep apart sealedly, sealed isolator one end with trigger piece connects, the other end with micro-gap switch connects, sealed isolator makes for elastic material.

8. The ground wire lock of claim 6, wherein a balance assembly is further disposed in the slot, the balance assembly comprises a balance member, the balance member has the same shape as the trigger member and is disposed symmetrically to the trigger member, and the balance member is also connected to the elastic member.

9. The ground wire lock according to any one of claims 4 to 8, wherein: the second lock body comprises a first clamping piece, a second clamping piece and a shielding piece; the first clamping piece is connected with the second clamping piece through a first threaded fastener, the shielding piece is arranged on one side of the operation end of the first threaded fastener to shield the operation end of the first threaded fastener, a clamping space for fixedly connecting a ground wire is arranged between the first clamping piece and the second clamping piece, the inserting part is arranged on the first clamping piece, one end of the first clamping piece, which is opposite to the inserting part, bends towards one side of the shielding piece to form a first connecting part connected with the shielding piece, one end of the second clamping piece, which is far away from the first connecting part, bends towards the shielding piece to form a second connecting part connected with the shielding piece, the first connecting part is provided with a connecting groove, one end of the shielding piece is provided with an inserting plate matched with the connecting groove, and the other end of the shielding piece is connected with the second connecting part through a second threaded fastener, when the first lock body is matched with the second lock body, the second lock body shields the operating end of the second threaded fastener.

10. The ground wire lock according to any one of claims 3 to 8, wherein: the first lock body comprises a lock body, the slot and the locking mechanism are arranged on the lock body, the ground wire connecting part on the first lock body is arranged on one side of the lock body, which comprises a third clamping piece and a fourth clamping piece which are connected through a third threaded fastener, wherein the third clamping piece is provided with a connecting part protruding towards the lockset body, the lock body is provided with a connecting hole matched with the connecting part, one side of the slot on the lock body is provided with a mounting hole communicated with the connecting hole, a fourth threaded fastener which is tightly connected with the connecting part is arranged in the mounting hole, the operating end of the third threaded fastener faces the lock body, the operating end of the fourth threaded fastener faces the outside of the mounting hole, and the first lock body covers the mounting hole when the first lock body and the second lock body are assembled together.

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