CN220509947U - Sampling wiring structure and dual-power transfer switch - Google Patents

Abstract

The utility model belongs to the technical field of piezoelectric devices, and discloses a sampling wiring structure and a dual-power transfer switch. The sampling wiring structure comprises a wire clamp, a transverse plate, a first vertical plate and a second vertical plate, wherein the first vertical plate and the second vertical plate are arranged at two opposite ends of the transverse plate, the first vertical plate and the second vertical plate extend in opposite directions respectively, and the transverse plate is provided with a first wire penetrating groove; the limiting structure is arranged on one side, connected with the transverse plate, of the first vertical plate and is used for fixing a lug plate of a sampling line, and a wire harness of the sampling line can pass out of the first wire penetrating groove; the fixing mechanism is arranged on the wire clamp and is detachably connected with the circuit breaker assembly or the mounting plate. The utility model avoids the exposed wiring lug of the sampling line, eliminates the potential safety hazard and ensures that the appearance of the product is more attractive.

Description

Sampling wiring structure and dual-power transfer switch

Technical Field

The utility model relates to the technical field of piezoelectric devices, in particular to a sampling wiring structure and a dual-power transfer switch.

Background

With the progress of science and technology and the development of society, the living standard of people is continuously improved, the industries have higher and higher requirements on the reliability, the safety and the continuity of power supply, two paths of power supplies are needed to be adopted in many occasions to ensure the reliability and the continuity of power supply, such as departments of markets, banks, hospitals, communication departments, transportation departments, national defense and military departments and the like, continuous uninterrupted safe power supply is required, and the intelligent dual-power switch controller can well solve the problems and provide powerful guarantee for reliable and continuous power supply.

In order to respond to the intelligent call of the power grid, signal sampling lines are connected to the incoming line side and the outgoing line side of the dual-power transfer switch and used for collecting all-phase loop signals of the power supply on the common side and the power supply on the standby side, so that switching and switching of the stock power supply are realized. The sampling lines on the existing dual power supply are connected to the outer side of a product execution circuit breaker (comprising a common circuit breaker component and a standby circuit breaker component), the wiring lugs of the sampling lines are exposed out of the product, potential safety hazards exist, and even dual power supply conversion abnormality is caused seriously.

Disclosure of Invention

The utility model aims to provide a sampling wiring structure and a dual-power transfer switch, which avoid the exposed wiring lug of a sampling wire, eliminate potential safety hazards and ensure that the appearance of a product is more attractive.

To achieve the purpose, the utility model adopts the following technical scheme:

sampling wiring structure includes:

the wire clamp comprises a transverse plate, a first vertical plate and a second vertical plate, wherein the first vertical plate and the second vertical plate are arranged at two opposite ends of the transverse plate, the first vertical plate and the second vertical plate extend in opposite directions respectively, and the transverse plate is provided with a first wire penetrating groove;

the limiting structure is arranged on one side, connected with the transverse plate, of the first vertical plate and is used for fixing a lug plate of a sampling line, and a wire harness of the sampling line can pass out of the first wire penetrating groove;

the fixing mechanism is arranged on the wire clamp and is detachably connected with the circuit breaker assembly or the mounting plate.

As an alternative scheme of the sampling wiring structure, the fixing mechanism is arranged on one side, deviating from the transverse plate, of the second vertical plate, and the fixing mechanism comprises a second inserting part in an L-shaped structure, and the second inserting part is inserted into a second fixing slot hole of the circuit breaker assembly.

As an alternative to the sampling wiring structure, the fixing mechanism further includes a first plugging portion, and the first plugging portion is plugged into a first fixing slot of the circuit breaker assembly.

As an alternative scheme of sampling wiring structure, fixed establishment set up in first riser, fixed establishment is provided with spacing portion, first spacing groove has been seted up to the mounting panel, spacing portion with first spacing groove grafting.

As the alternative scheme of sampling wiring structure, the diaphragm is followed the length direction interval of wire clamp is provided with a plurality of first wire through groove, the second riser is followed the length direction interval of wire clamp is provided with a plurality of wire through groove, a plurality of first wire through groove with a plurality of wire through groove one-to-one sets up and communicates each other.

As an alternative of the sampling wiring structure, a branching portion is provided on an inner side wall of the first wiring groove, and extends in a direction close to the second riser.

As an alternative scheme of sampling wiring structure, the diaphragm is close to one side of limit structure is followed the length direction interval of wire clamp is provided with a plurality of division board, the separated time position is located between two adjacent division boards.

As the alternative scheme of sampling wiring structure, the diaphragm is kept away from limit structure's one side is followed the length direction interval that the wire pressed from both sides is provided with a plurality of spacing post, spacing post with form the second wire through groove between the second riser.

As an alternative scheme of the sampling wiring structure, a first limit head is arranged at one end of the limit column, which is far away from the transverse plate, and extends along the direction close to the second vertical plate; and/or

One end of the second vertical plate, which is far away from the transverse plate, is provided with a second limiting head, and the second limiting head extends along the direction close to the limiting post.

As the alternative scheme of sampling wiring structure, limit structure includes first spacing claw and second spacing claw, first spacing claw with form spacing space between the second spacing claw, the lug of sampling line is located in the spacing space.

The dual power transfer switch is characterized by comprising an outer cover, a common breaker assembly, a standby breaker assembly and the sampling wiring structure according to any one of the above, wherein the sampling wiring structure is arranged on the common breaker assembly and/or the standby breaker assembly, a second limiting groove is concavely arranged on one side, deviating from a transverse plate, of the first vertical plate, the outer cover is covered on the outer side of the common breaker assembly and the outer side of the standby breaker assembly, and limiting ribs matched with the second limiting grooves in a plugging manner are arranged on the inner wall of the outer cover.

Compared with the prior art, the utility model has the beneficial effects that:

according to the sampling wiring structure provided by the utility model, the first wiring groove is formed in the transverse plate, the limiting structure is arranged on one side, connected with the transverse plate, of the first vertical plate, the fixing mechanism is arranged on one side, away from the transverse plate, of the second vertical plate, and the sampling wiring structure is detachably mounted on the circuit breaker assembly or the mounting plate of the dual-power change-over switch through the fixing mechanism, so that firm mounting, dismounting and replacement are ensured; the wiring harness of sampling line wears out from first wire through groove, and the lug of sampling line is installed in limit structure and can be adjusted from top to bottom, and the lug of sampling line is located the trailing flank of first riser, makes first riser can shelter from the lug of sampling line, avoids the lug of sampling line to expose outside, eliminates the potential safety hazard, makes the product appearance more pleasing to the eye again.

According to the dual-power transfer switch provided by the utility model, the front side surface of the first vertical plate is concavely provided with the limit groove, the outer cover is covered on the common breaker component and the standby breaker component at the same time, and the limit rib of the outer cover is arranged in the limit groove, so that the wire clamp is firmly installed; the first vertical plate shields the lug plate of the sampling line, so that potential safety hazards are eliminated, and the appearance of the product is more attractive.

Drawings

FIG. 1 is a schematic diagram of a first view of a sampling wiring structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second view of a sampling wiring structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a first view structure of a sampling line mounted to a sampling wiring structure according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a second view angle configuration of a sampling line mounted to a sampling wiring structure in accordance with an embodiment of the present utility model;

FIG. 5 is an enlarged partial schematic view of an interrupt router assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a dual power transfer switch according to an embodiment of the present utility model;

FIG. 7 is a first exploded view of a dual power transfer switch according to an embodiment of the present utility model;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is a second exploded view of a dual power transfer switch according to an embodiment of the present utility model;

FIG. 10 is a partial enlarged view at B in FIG. 9;

FIG. 11 is a first view of yet another configuration of a sampling wiring structure in accordance with an embodiment of the present utility model;

fig. 12 is a second view of yet another configuration of a sampling wiring structure in an embodiment of the present utility model.

Fig. 13 is a schematic view of a sample wiring structure and circuit breaker assembly assembled to a mounting plate in an embodiment of the utility model;

fig. 14 is an exploded view of a sampling wiring structure and circuit breaker assembly and mounting plate in an embodiment of the present utility model.

In the figure:

100. a sampling line; 101. a wire connection piece; 102. a power connection sheet; 103. a wire harness; 200. a dual power transfer switch; 201. an outer cover; 2011. a limit rib; 202. a conversion device; 203. a common breaker assembly; 204. a backup circuit breaker assembly; 205. a first fixed slot; 206. a second fixing slot; 207. a mounting plate; 2071. a first limit groove;

1. a wire clip; 2. a limit structure; 3. a fixing mechanism;

11. a cross plate; 111. a first wire-penetrating groove; 112. a branching section; 113. a partition plate; 12. a first riser; 121. the second limit groove; 13. a second riser; 131. wire passing grooves; 14. a limit column; 15. a first positioning head; 16. a second positioning head; 17. a second wire penetrating groove;

21. a first limit claw; 22. a second limit claw;

31. a first plug-in connection; 32. a second plug-in connection; 33. a limit part; 34. a first reinforcing rib; 35. and a second reinforcing rib.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

In order to respond to the intelligent call of the power grid, signal sampling lines are connected to the incoming line side and the outgoing line side of the dual-power transfer switch and used for collecting all-phase loop signals of the power supply on the common side and the power supply on the standby side, so that switching and switching of the stock power supply are realized. The sampling lines on the existing dual power supply are connected to the outer side of a product execution circuit breaker (comprising a common circuit breaker component and a standby circuit breaker component), the wiring lugs of the sampling lines are exposed out of the product, potential safety hazards exist, and even dual power supply conversion abnormality is caused seriously.

In order to avoid exposing the connection piece of the sampling line, eliminate the potential safety hazard, and make the appearance of the product more attractive, the embodiment provides a sampling connection structure and a dual-power transfer switch, and the details of the embodiment are described in detail below with reference to fig. 1 to 14.

Example 1

In the present embodiment, as shown in fig. 1 to 5, the sampling wiring structure includes a wire clip 1, a limit structure 2, and a fixing mechanism 3. Wherein, wire clamp 1 includes diaphragm 11 and sets up first riser 12 and the second riser 13 at diaphragm 11 opposite ends, and first riser 12 and second riser 13 extend along opposite direction respectively, and diaphragm 11 is equipped with first wire through slot 111. Illustratively, the first riser 12 extends downwardly relative to the cross plate 11 and the second riser 13 extends upwardly relative to the cross plate 11. The limit structure 2 is disposed on one side (i.e. the rear side of the first riser 12) where the first riser 12 is connected with the transverse plate 11, the lug 101 of the sampling wire 100 is disposed in the limit structure 2, the limit structure 2 is used for fixing the lug 101 of the sampling wire 100, and the lug 101 of the sampling wire 100 can move up and down relative to the limit structure 2, and the wire harness 103 of the sampling wire 100 is connected with the circuit board of the conversion device 202 after passing out from the first wire passing slot 111. The fixing mechanism 3 is disposed on a side of the second riser 13 facing away from the transverse plate 11 (i.e., a rear side surface of the second riser 13), and the fixing mechanism 3 can be detachably connected with the circuit breaker assembly of the dual power conversion switch 200.

According to the sampling wiring structure provided by the utility model, the first wiring groove 111 is formed in the transverse plate 11, the limit structure 2 is arranged on the rear side surface of the first vertical plate 12, the fixing mechanism 3 is arranged on the rear side surface of the second vertical plate 13, and the sampling wiring structure is detachably mounted on the circuit breaker assembly of the dual-power change-over switch 200 through the fixing mechanism 3, so that firm mounting, dismounting and replacement are ensured; the wiring harness 103 of the sampling line 100 penetrates out of the first wire penetrating groove 111, the lug 101 of the sampling line 100 is installed in the limiting structure 2 and can be adjusted up and down, the lug 101 of the sampling line 100 is located on the rear side face of the first vertical plate 12, the first vertical plate 12 can shield the lug 101 of the sampling line 100, the lug 101 of the sampling line 100 is prevented from being exposed, potential safety hazards are eliminated, and the appearance of a product is attractive.

Further, as shown in fig. 3 in combination with fig. 5, the fixing mechanism 3 includes a first plugging portion 31 having a ring structure, and the first plugging portion 31 is plugged into a first fixing slot 205 of the normal circuit breaker assembly 203 and/or the standby circuit breaker assembly 204 of the dual power switch 200. The shape of the first fixing slot 205 is matched with that of the first plugging portion 31, and since the corresponding first fixing slot 205 is arranged on the common breaker assembly 203 and the spare breaker assembly 204, the wire clamp 1 is conveniently and firmly assembled on the breaker assembly by plugging the first plugging portion 31 with the first fixing slot 205 of the breaker assembly.

Further, as shown in fig. 3 in combination with fig. 5, the fixing mechanism 3 includes a second plugging portion 32 with an L-shaped structure, and the second plugging portion 32 is plugged into the second fixing slot 206 of the normal circuit breaker assembly 203 and/or the standby circuit breaker assembly 204 of the dual power switch 200. The first plugging portion 31 with the L-shaped structure is plugged with the second fixing slot 206 of the circuit breaker assembly, so that the wire clamp 1 is conveniently and firmly assembled to the circuit breaker assembly.

Further, the cross plate 11 is provided with a plurality of first wire passing grooves 111 along the length direction of the wire clamp 1 at intervals, the second vertical plate 13 is provided with a plurality of wire passing grooves 131 along the length direction of the wire clamp 1 at intervals, and the plurality of first wire passing grooves 111 and the plurality of wire passing grooves 131 are arranged in one-to-one correspondence and are mutually communicated. By adding the plurality of first wire penetrating grooves 111 and the wire penetrating grooves 131, the plurality of sampling wires 100 can be conveniently installed on the wire clamp 1, and the plurality of sampling wires 100 can be installed at one time. Because the first wire through groove 111 is correspondingly communicated with the wire through groove 131, the sampling wire 100 can enter the first wire through groove 111 through the wire through groove 131, the threading difficulty of the wire harness 103 is reduced, and the assembly efficiency is improved.

Further, the inner side wall of the first wire penetrating groove 111 is provided with a wire dividing portion 112, and the wire dividing portion 112 extends in a direction approaching the second riser 13. One branching portion 112 may divide the first wire passing groove 111 into two wire clamping grooves, and the two wire clamping grooves 1 may be used for the wire harness 103 of the sampling wire 100 to pass through freely, so as to normalize the wire harness 103.

Further, a plurality of partition plates 113 are arranged at intervals along the length direction of the wire clamp 1 on one side of the transverse plate 11 (namely, the lower surface of the transverse plate 11) close to the limiting structure 2, and the branching part 112 is positioned between two adjacent partition plates 113. The separation plate 113 separates each sampling line 100, prevents the respective sampling lines 100 from interfering with each other, and facilitates carding the respective sampling lines 100.

Further, a plurality of limiting posts 14 are arranged on one side of the transverse plate 11 away from the limiting structure 2 (i.e. the upper surface of the transverse plate 11) along the length direction of the wire clamp 1 at intervals, and a second wire penetrating groove 17 is formed between the limiting posts 14 and the second vertical plate 13. The wire harness 103 passing out of the first wire passing groove 111 is connected to the circuit board of the conversion device 202 after passing through the second wire passing groove 17. The wire harnesses 103 of all the sampling wires 100 are integrally and uniformly arranged in the second wire penetrating groove 17 in a penetrating mode, so that the messy distribution of all the sampling wires 100 is avoided, and the occurrence of short circuit accidents of a circuit is reduced. The movement of the sampling line 100 in the front-rear direction is restricted by the stopper posts 14 and the second risers 13.

Further, the end of the stopper post 14 away from the cross plate 11 (i.e., the top of the stopper post 14) is provided with a first stopper head 15, the first stopper head 15 extends in a direction approaching the second riser 13, and/or the end of the second riser 13 away from the cross plate 11 (i.e., the front side of the second riser 13) is provided with a second stopper head 16, the second stopper head 16 extends in a direction approaching the stopper post 14. By providing the first and second stopper heads 15 and 16, the sampling line 100 is restricted from falling out from above the second threading groove 17. It will be appreciated that the spacing head, spacing post 14, cross plate 11 and second riser 13 together limit the position of the sampling lines 100, facilitating the alignment of the plurality of sampling lines 100.

As shown in fig. 5 to 9, for example, second stopper heads 16 are provided at both ends of the second riser 13, respectively, and a plurality of stopper posts 14 at intermediate positions are provided with the second stopper heads 16.

The second riser 13 is provided with a plurality of second risers 13, wherein the area of the second riser 13 at the intermediate position is larger than the area of the second riser 13 at the front and rear ends.

Further, the limiting structure 2 includes a first limiting claw 21 and a second limiting claw 22, a limiting space is formed between the first limiting claw 21 and the second limiting claw 22, and the lug 101 of the sampling line 100 is disposed in the limiting space. The first limiting claw 21 and the second limiting claw 22 are of L-shaped structures, the clamping force of the first limiting claw 21 and the second limiting claw 22 on the wiring lug 101 is proper, and the wiring lug 101 can move up and down relative to the limiting space only under the action of external force.

As shown in fig. 6 to 10, the present embodiment further provides a dual power transfer switch 200, where the dual power transfer switch 200 includes an outer cover 201, a transfer device 202, a normal circuit breaker assembly 203 disposed on one side of the transfer device 202, a standby circuit breaker assembly 204 disposed on the other side of the transfer device 202, and the sampling wiring structure mentioned above, the sampling wiring structure is mounted on the normal circuit breaker assembly 203 and/or the standby circuit breaker assembly 204, a second limiting groove 121 is concavely formed on one side of the first riser 12 facing away from the transverse plate 11 (i.e., the front side of the first riser 12), the outer cover 201 is simultaneously covered on the outer sides of the transfer device 202, the normal circuit breaker assembly 203 and the standby circuit breaker assembly 204, and a limiting rib 2011 of the outer cover 201 is disposed in the second limiting groove 121. The spacing rib 2011 of enclosing cover 201 pegs graft in second spacing groove 121 to guarantee that wire clamp 1 installs firmly, first riser 12 covers the lug 101 of sampling line 100, eliminates the potential safety hazard, makes the product appearance more pleasing to the eye again.

In this embodiment, the sampling wiring structure is made of insulating material such as plastic, and the wire clip 1, the limiting structure 2 and the fixing mechanism 3 are integrally molded by injection molding.

Example two

The present embodiment provides a sampling wiring structure for a small circuit breaker without related matching holes, and compared with the first embodiment, the basic structure of the sampling wiring structure provided in the present embodiment is the same as that of the first embodiment, and only the setting of the fixing mechanism 3 is different, so that the present embodiment will not describe the same structure as that of the first embodiment.

The sampling wiring structure comprises a wire clamp 1, a limiting structure 2 and a fixing mechanism 3. Wherein, wire clamp 1 includes diaphragm 11 and sets up first riser 12 and the second riser 13 at diaphragm 11 opposite ends, and first riser 12 and second riser 13 extend along opposite direction respectively, and diaphragm 11 is equipped with first wire through slot 111. Illustratively, the first riser 12 extends downwardly relative to the cross plate 11 and the second riser 13 extends upwardly relative to the cross plate 11. The limit structure 2 is disposed on one side (i.e. the rear side of the first riser 12) where the first riser 12 is connected with the transverse plate 11, the lug 101 of the sampling wire 100 is disposed in the limit structure 2, the limit structure 2 is used for fixing the lug 101 of the sampling wire 100, and the lug 101 of the sampling wire 100 can move up and down relative to the limit structure 2, and the wire harness 103 of the sampling wire 100 is connected with the circuit board of the conversion device 202 after passing out from the first wire passing slot 111. The fixing mechanism 3 is disposed at the bottom of the first riser 12, and the fixing mechanism 3 can be detachably connected to the mounting plate 207 of the dual power conversion switch 200.

According to the sampling wiring structure provided by the utility model, the first wiring groove 111 is formed in the transverse plate 11, the limit structure 2 is arranged on the rear side surface of the first vertical plate 12, the fixing mechanism 3 is arranged on the rear side surface of the second vertical plate 13, and the sampling wiring structure is detachably mounted on the mounting plate 207 of the dual-power change-over switch 200 through the fixing mechanism 3, so that firm mounting and detachable replacement are ensured; while the miniature circuit breaker is also mounted to the mounting plate 207; the wiring harness 103 of the sampling line 100 penetrates out of the first wire penetrating groove 111, the lug 101 of the sampling line 100 is installed in the limiting structure 2 and can be adjusted up and down, the lug 101 of the sampling line 100 is located on the rear side face of the first vertical plate 12, the first vertical plate 12 can shield the lug 101 of the sampling line 100, the lug 101 of the sampling line 100 is prevented from being exposed, potential safety hazards are eliminated, and the appearance of a product is attractive.

As shown in fig. 11 to 14, the fixing mechanism 3 is provided with a stopper 33, the stopper 33 extends in the vertical direction, the mounting plate 207 is provided with a first stopper groove 2071, and the stopper 33 is inserted into the first stopper groove 2071.

Further, as shown in fig. 11 and 12, the first reinforcing rib 34 is provided on the outer wall surface of the fixing mechanism 3, the second reinforcing rib 35 is provided on the inner wall surface of the fixing mechanism 3, and the first reinforcing rib 34 and the second reinforcing rib 35 are added to improve the overall structural strength of the fixing mechanism 3.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (11)

1. Sampling wiring structure, its characterized in that includes:

the wire clamp (1) comprises a transverse plate (11) and a first vertical plate (12) and a second vertical plate (13) which are arranged at two opposite ends of the transverse plate (11), wherein the first vertical plate (12) and the second vertical plate (13) respectively extend along opposite directions, and the transverse plate (11) is provided with a first wire penetrating groove (111);

the limiting structure (2) is arranged on one side, connected with the transverse plate (11), of the first vertical plate (12), the limiting structure (2) is used for fixing a lug (101) of a sampling wire (100), and a wire harness (103) of the sampling wire (100) can penetrate out of the first wire penetrating groove (111);

the fixing mechanism (3) is arranged on the wire clamp (1), and the fixing mechanism (3) is detachably connected with the circuit breaker assembly or the fixing mechanism (3) is detachably connected with the mounting plate (207).

2. The sampling wiring structure according to claim 1, wherein the fixing mechanism (3) is disposed on a side of the second riser (13) facing away from the cross plate (11), the fixing mechanism (3) comprises a second plugging portion (32) having an L-shaped structure, and the second plugging portion (32) is plugged into a second fixing slot (206) of the circuit breaker assembly.

3. The sampling wiring structure according to claim 2, characterized in that the fixing mechanism (3) further comprises a first plug-in portion (31), the first plug-in portion (31) being plugged into a first fixing slot (205) of the circuit breaker assembly.

4. The sampling wiring structure according to claim 1, characterized in that the fixing mechanism (3) is provided in the first riser (12), the fixing mechanism (3) is provided with a limit portion (33), the mounting plate (207) is provided with a first limit groove (2071), and the limit portion (33) is spliced with the first limit groove (2071).

5. The sampling wiring structure according to any one of claims 1 to 4, wherein the cross plate (11) is provided with a plurality of first wire passing grooves (111) at intervals along the length direction of the wire clamp (1), the second vertical plate (13) is provided with a plurality of wire passing grooves (131) at intervals along the length direction of the wire clamp (1), and the plurality of first wire passing grooves (111) are arranged in one-to-one correspondence with the plurality of wire passing grooves (131) and are mutually communicated.

6. The sampling wiring structure according to claim 5, wherein an inner side wall of the first wiring groove (111) is provided with a branching portion (112), and the branching portion (112) extends in a direction approaching the second riser (13).

7. The sampling wiring structure according to claim 6, wherein a plurality of separation plates (113) are arranged at intervals along the length direction of the wire clamp (1) on one side of the transverse plate (11) close to the limiting structure (2), and the branching portion (112) is located between two adjacent separation plates (113).

8. The sampling wiring structure according to claim 5, wherein a plurality of limiting posts (14) are arranged on one side of the transverse plate (11) away from the limiting structure (2) along the length direction of the wire clamp (1) at intervals, and a second wire penetrating groove (17) is formed between the limiting posts (14) and the second vertical plate (13).

9. The sampling wiring structure according to claim 8, wherein an end of the limit post (14) remote from the cross plate (11) is provided with a first limit head (15), the first limit head (15) extending in a direction approaching the second riser (13); and/or

One end of the second vertical plate (13) far away from the transverse plate (11) is provided with a second limiting head (16), and the second limiting head (16) extends along the direction close to the limiting column (14).

10. The sampling wiring structure according to any one of claims 1 to 4, wherein the limit structure (2) comprises a first limit claw (21) and a second limit claw (22), a limit space is formed between the first limit claw (21) and the second limit claw (22), and the wiring lug (101) of the sampling wiring (100) is arranged in the limit space.

11. The dual power transfer switch, its characterized in that includes enclosing cover (201), common circuit breaker subassembly (203), reserve circuit breaker subassembly (204) and the sampling wiring structure of any one of claims 1-10, sampling wiring structure install in common circuit breaker subassembly (203) and/or reserve circuit breaker subassembly (204) are last, and first riser (12) face away from concave second spacing groove (121) that is equipped with in one side of diaphragm (11), enclosing cover (201) cover is located common circuit breaker subassembly (203) with reserve circuit breaker subassembly (204) outside, just be provided with on the inner wall of enclosing cover (201) with second spacing groove (121) grafting complex spacing muscle (2011).