CN219268069U - Wire connector for protective device backboard and protective device backboard - Google Patents

Abstract

The utility model provides a connector for a backboard of a protection device and the backboard of the protection device, which relate to the technical field of electric equipment, and the connector for the backboard of the protection device comprises the following components: at least one base module detachably connected with the back plate; the wiring structure is arranged on the base module and comprises at least one wiring pipe penetrating through the base module, and two ends of the wiring pipe are oppositely arranged on two sides of the base module; and a conductive structure disposed on the wire-connecting tube, the conductive structure including a first conductive portion disposed at one end of the wire-connecting tube and a second conductive portion disposed within the wire-connecting tube, the first conductive portion being electrically connected to the second conductive portion; the first conductive portion can be used to electrically connect with a terminal on the back plate when the base module is in a connected state with the back plate. According to the utility model, the electric connection process between the lead and the target wiring terminal can be realized rapidly through the wiring tube, the wiring efficiency is improved, and the problem of wiring error during wiring is avoided.

Description

Wire connector for protective device backboard and protective device backboard

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a wire connector for a protective device backboard and the protective device backboard.

Background

In an electric power system or an electric device, a back plate of a protective device is required to be installed on the electric device in order to protect the electric safety of the electric device. In order to ensure the use reliability of the protection device backboard, the protection device backboard needs to be checked by using a testing device in the use process of the protection device backboard. The back plate is provided with a terminal block, wherein the terminal block comprises a tripping positive terminal block. In the testing process, the testing device is required to be electrically connected with the wiring terminals on the terminal block so as to perform verification.

Because the terminal strip usually has a plurality of binding post that the interval was arranged and is set up, when the terminal strip was in the region that lacks the illumination, can lead to the test personnel unable accurate discernment each binding post to easily produce the problem of miswiring in the wiring process. In addition, in order to increase the connection stability between the testing device and the connection terminal, after the wire of the testing device is electrically connected with the trip positive terminal block, the wire of the testing device needs to be fixed on the back plate by using a wire clamp. But the wire clamp is easy to cause the position of the wire clamp and the backboard to deviate and drive the wire to move under the action of the biting force of the wire clamp in the process of biting the backboard. After the lead moves, the lead and the wiring terminal are easy to generate the problem of virtual connection or poor contact, thereby influencing the verification. Therefore, in fixing the wire using the wire clamp, the position of the wire clamp needs to be adjusted a plurality of times, which greatly reduces the verification efficiency.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a connector for protecting a back plate of a device and a back plate of a device, which are arranged on the back plate to improve the connection efficiency and connection stability.

The above object of the present utility model can be achieved by the following technical solutions, and the present utility model provides a connector for protecting a back plate of a device, including:

at least one base module detachably connected with the back plate;

the wiring structure is arranged on the base module and comprises at least one wiring pipe penetrating through the base module, and two ends of the wiring pipe are oppositely arranged on two sides of the base module;

and a conductive structure disposed on the wire-connecting tube, the conductive structure including a first conductive portion disposed at one end of the wire-connecting tube and a second conductive portion disposed within the wire-connecting tube, the first conductive portion being electrically connected to the second conductive portion;

the first conductive part can be used for being electrically connected with a wiring terminal on the backboard when the base module is in a connection state with the backboard.

In a preferred embodiment of the present utility model, the conductive structure includes a metal conductor inserted into the wire connection tube, and one end of the metal conductor is disposed through an outer side of one end of the wire connection tube to form the first conductive portion.

In a preferred embodiment of the present utility model, the metal conductor is a metal tube, the metal tube is inserted into the wire connection tube, and one end of the metal tube is protruding outside one end of the wire connection tube to form the first conductive portion.

In a preferred embodiment of the present utility model, the connection tube is an elastic insulating tube body.

In a preferred embodiment of the present utility model, the first conductive portion is disposed at a first distance from a height of one end of the wire connection tube.

In a preferred embodiment of the present utility model, the connection tube is perpendicular to the base module, the height of one end of the connection tube protruding from the base module is set at a second distance, and the height of the other end of the connection tube protruding from the base module is set at a third distance.

In a preferred embodiment of the present utility model, at least two connection pipes are disposed on the base module, and each connection pipe is disposed in a spaced arrangement.

In a preferred embodiment of the present utility model, a plurality of base modules are provided, and each base module is provided with a splicing structure, where the splicing structure includes at least one first splicing portion and at least one second splicing portion that are disposed on the base module, and the first splicing portion on one base module is detachably connected to the second splicing portion on another base module.

In a preferred embodiment of the present utility model, the first splicing portion is a bump disposed on the base module, the second splicing portion is a groove disposed on the base module, and when two adjacent base modules are in a connected state, the bump on one base module is clamped in the groove on the other base module.

In a preferred embodiment of the present utility model, the bump and the groove are oppositely disposed on two side end surfaces of the base module.

In a preferred embodiment of the present utility model, the connector for a back plate of a protection device further includes a first clamping structure disposed on the base module, and the base module is detachably connected to the back plate through the first clamping structure.

In a preferred embodiment of the present utility model, the first clamping structure includes a clamping spring or a buckle disposed on the base module.

In a preferred embodiment of the utility model, the wire connection tube is provided with an identification structure, which comprises a physical identification and/or a visual identification arranged on the wire connection tube.

The utility model also provides a backboard of the protection device, which comprises the following components:

a back plate body;

the terminal strip is arranged on the backboard body and comprises a plurality of wiring terminals which are arranged at intervals;

and a second clamping structure for mounting a connector for protecting the device back plate.

In a preferred embodiment of the present utility model, the second clamping structure includes a linear groove disposed on the back plate body, the linear groove is disposed along an extending direction of the terminal row, and the linear groove is used for clamping with the first clamping structure.

The technical scheme of the utility model has the following remarkable beneficial effects:

when the connector for the backboard of the protection device is used, the base module is arranged on the backboard of the protection device, so that one end of the wire connecting pipe can be inserted into a target wiring terminal on the backboard, and the first conductive part is electrically connected with the target wiring terminal. And the second conductive part is arranged in the wiring tube and is electrically connected with the first conductive part, so that the second conductive part can form electrical connection with the target wiring terminal.

When the wire of the testing device or the wire of other external equipment is arranged in the wire connecting tube in a penetrating mode, the wire can be quickly inserted in the wire connecting tube and electrically connected with the second conductive part, so that the electric connection process between the wire and the target wiring terminal is realized, and the wiring efficiency is higher. And the wire can be limited and guided through the wire connecting pipe, so that the time for confirming whether the wire connection is firm is reduced, and the occurrence of the virtual connection problem is avoided.

Further, through setting up the both ends of wiring pipe in the both sides of base module respectively to the protruding setting of one end of wiring pipe is on base module, utilizes this bellied wiring pipe also be convenient for discernment more and location, has avoided producing the problem of miswiring when wiring. And the connection point of the lead and the second conductive part is positioned inside the wiring tube, and no metal leakage part exists, so that the problem that the back plate is touched by direct current grounding or error is avoided, and the safety risk in the wiring process and the using process can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.

FIG. 1 is a schematic side cross-sectional view of a connector for a back plate of a protective device;

FIG. 2 is a schematic top view of the connector for the back plate of the protection device;

FIG. 3 is a schematic top view of the connector for the protective device back plate with a splice structure;

FIG. 4 is a schematic diagram of two connectors in a splice state for protecting a device backplane;

FIG. 5 is a schematic top view of the back plate;

fig. 6 is a schematic structural diagram of the connector for protecting the back plate of the device in a connection state with the back plate.

Reference numerals of the above drawings:

100. a back plate; 110. a terminal block; 111. a connection terminal;

1. a base module;

2. a wiring structure; 21. A wire connection tube;

3. a conductive structure; 31. A first conductive portion; 32. A second conductive portion;

4. a splice structure; 41. a first splice; 411. a bump; 42. a second splice; 421. a groove;

5. a first clamping structure;

6. a second clamping structure; 61. a straight groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one

Referring to fig. 1 and 2 in combination, the present utility model provides a connector for protecting a device back plate, the connector for protecting a device back plate comprising: at least one base module 1 detachably connected to the back plate 100; the wiring structure 2 is arranged on the base module 1, the wiring structure 2 comprises at least one wiring tube 21 penetrating through the base module 1, and two ends of the wiring tube 21 are oppositely arranged on two sides of the base module 1; and a conductive structure 3 provided on the wiring tube 21, the conductive structure 3 including a first conductive portion 31 provided at one end of the wiring tube 21, and a second conductive portion 32 provided inside the wiring tube 21, the first conductive portion 31 being electrically connected to the second conductive portion 32; the first conductive portion 31 can be used to electrically connect with the connection terminal 111 on the back plate 100 in a state where the base module 1 is connected with the back plate 100.

In general, when the connector for a protective device back plate is used, the base module 1 is mounted on the protective device back plate 100 so that one end of the wire connection tube 21 can be plugged into the target connection terminal 111 on the back plate 100 and the first conductive portion 31 is electrically connected with the target connection terminal 111. And the second conductive portion 32 is provided in the wiring tube 21 and electrically connected to the first conductive portion 31, so that the second conductive portion 32 can also be electrically connected to the target connection terminal 111.

Specifically, the connection terminal 111 includes a plurality of mounting holes arranged in the back plate 100 at intervals, and terminal screws arranged in the respective mounting holes. When the base module 1 is mounted at the target position of the protection device backboard 100, the base module 1 can drive one end of the wire connection tube 21 to be inserted into the target mounting hole, and the first conductive part 31 is abutted against the terminal screw to form electrical connection. The base module 1 may be provided in a rectangular parallelepiped structure. Of course, the designer may also adjust the shape of the base module 1 according to the use requirement, and is not particularly limited herein.

When the wire of the test device or the wire of other external equipment is threaded in the wire connection pipe 21, the wire can be quickly inserted in the wire connection pipe 21 and electrically connected with the second conductive part 32, thereby realizing the electrical connection process between the wire and the target connection terminal 111, and having higher connection efficiency. And the wire can be limited and guided through the wire connecting tube 21, so that the time for confirming whether the wire connection is firm is reduced, and the occurrence of the virtual connection problem is avoided.

Further, through setting up the both ends of wiring tube 21 respectively in the both sides of base module 1 to the protruding setting of one end of wiring tube 21 is on base module 1, utilizes this bellied wiring tube 21 also to be convenient for discernment more and fix a position, has avoided producing the problem of miswiring when wiring. And, the connection point of the wire and the second conductive part 32 is positioned inside the wire connection tube 21, and no metal part is leaked, so that the problem that the exposed metal part is in direct current grounding or mistakenly bumps the backboard 100 is avoided, and the safety risk in the wiring process and the using process can be reduced.

In the embodiment of the present utility model, as in the example shown in fig. 1, the conductive structure 3 includes a metal conductor inserted into the wire pipe 21, and one end of the metal conductor is inserted outside one end of the wire pipe 21 to form the first conductive portion 31. By disposing the metal conductor in the wiring tube 21, when an external wire enters the wiring tube 21, an electrical connection can be quickly made with the metal conductor, thereby improving wiring efficiency.

Further, by disposing one end of the metal conductor outside one end of the wire pipe 21, the protruding metal conductor can form the first conductive portion 31. When the base module 1 is connected to the target position of the back plate 100, the first conductive portion 31 can be plugged into the target connection terminal 111 on the back plate 100, so that an electrical connection is formed between the first conductive portion 31 and the target connection terminal 111. The particular materials and construction of the metal conductors may be determined by the designer based on the needs of the application and are not particularly limited herein.

In the embodiment of the present utility model, the metal conductor is a metal tube, the metal tube is inserted into the wiring tube 21, and one end of the metal tube is protruded outside one end of the wiring tube 21 to form the first conductive portion 31.

In one embodiment, the wall of the metal tube is formed by a metal plate, and the metal tube is nested in the inner wall of the wiring tube 21, so that when the external wires enter the wiring tube 21, the external wires also enter the metal tube synchronously, thereby facilitating quick electrical connection.

In other embodiments, the walls of the metal tube are formed by mesh sheets, without limitation.

In the embodiment of the present utility model, the wire connection pipe 21 is an elastic insulating pipe body. By providing the wire pipe 21 as an elastic insulating pipe body, the wire pipe 21 itself is made non-conductive, thereby improving the use safety. And the wiring tube 21 has a certain elastic deformation amount, when the wiring tube 21 is plugged into the target wiring terminal 111 of the backboard 100, the tube body shape of the wiring tube 21 can be adaptively adjusted under the action of the downward pressure, so that one end of the wiring tube 21 can be better butted into the target wiring terminal 111, and stable connection is formed.

In the embodiment of the present utility model, the first conductive portion 31 is disposed at a first distance a from the height of one end of the wire pipe 21. By setting the height of the first conductive portion 31 protruding from the wiring tube 21 by the first distance a, the first conductive portion 31 has a certain amount of butt joint, so that the first conductive portion 31 can be better electrically connected with the target connection terminal 111.

The designer can adjust the height of the protrusion of the first conductive part 31 according to the manufacturer or specific structure of the target connection terminal 111, which is not particularly limited herein. For example, when the back plate 100 is the siemens protection device back plate 100, the first distance a may be set to about 1 mm.

In the embodiment of the utility model, the wire pipe 21 is arranged perpendicular to the base module 1, the height of one end of the wire pipe 21 protruding from the base module 1 is arranged at the second distance b, and the height of the other end of the wire pipe 21 protruding from the base module 1 is arranged at the third distance c.

By having the wire connection tube 21 perpendicular to the base module 1, when the base module 1 is docked in the target position of the back plate 100, the wire connection tube 21 can be vertically plugged into the target connection terminal 111 on the back plate 100, improving the ease of installation between the wire connection tube 21 and the target connection terminal 111.

In a specific embodiment, when the back plate 100 is the siemens protection device back plate 100, the second distance b is set to be about 5mm, and the third distance c is set to be about 10 mm.

In other embodiments, the designer may adjust the second distance b and the third distance c according to the model and the specific structure of the back plate 100, which is not limited herein.

In the embodiment of the present utility model, at least two wire pipes 21 are provided on the base module 1, and the wire pipes 21 are arranged at intervals.

In an embodiment, when the back board 100 is a siemens protection device back board 100, as shown in the embodiment of fig. 5, the terminal rows 110 of the siemens protection device back board 100 are arranged in two rows.

In order to enable a better docking of the connection tubes 21 on the base module 1 in the target connection terminals 111, two connection tubes 21 may be provided simultaneously on one base module 1, and the two connection tubes 21 may be provided in a rectangular array.

As shown in the embodiment of fig. 6, when the base module 1 is mounted on the rear panel 100 of the siemens protection device, two connection pipes 21 can be respectively inserted into two connection terminals 111, so that the positions of the two connection terminals 111 are marked at the same time, which is more convenient for recognition.

Wherein, the rectangular array is a 2×2 matrix, and two wiring tubes 21 are respectively arranged at two opposite corners of the rectangular array, or the two wiring tubes 21 can also be arranged in the same row or the same column. The designer can adjust the specific positions of the two wiring pipes 21 according to the verification requirement of the siemens protective device back plate 100, and the specific limitation is not restricted herein.

In other embodiments, the designer may adjust the number and arrangement of the connection tubes 21 on the base module 1 according to the model and structure of the back plate 100, which is not particularly limited herein.

By providing two or more wiring tubes 21 simultaneously on the base module 1, each wiring tube 21 can be plugged into a different wiring terminal 111, respectively.

The position of each wiring terminal 111 can be marked through the wiring tube 21 arranged in the protruding mode, so that a tester can conveniently and quickly distinguish different wiring terminals 111, and the wiring efficiency is quickened.

In the embodiment of the present utility model, as shown in fig. 3 and 4, the base modules 1 are provided in plurality, and each base module 1 is provided with a splicing structure 4, where the splicing structure 4 includes at least one first splicing portion 41 and at least one second splicing portion 42 provided on the base module 1, and the first splicing portion 41 on one base module 1 is detachably connected to the second splicing portion 42 on the other base module 1.

By using the splice structure 4 to combine the plurality of base modules 1 together, different connection terminals 111 can be respectively marked by using the connection pipes 21 on the plurality of base modules 1, and the flexibility of adjusting the connector for the back plate of the protection device is improved. The number and position of the base modules 1 can be adjusted by a tester according to the use requirement, and the present utility model is not limited in particular.

In the embodiment of the present utility model, the first splicing portion 41 is a protruding block 411 disposed on the base module 1, the second splicing portion 42 is a groove 421 disposed on the base module 1, and in a connected state of two adjacent base modules 1, the protruding block 411 on one base module 1 is clamped in the groove 421 on the other base module 1.

Two base modules 1 can be connected quickly by the way that the protruding blocks 411 are matched with the grooves 421, so that the assembly efficiency of the base modules 1 is improved.

In the embodiment of the present utility model, the protrusions 411 and the grooves 421 are oppositely disposed on both side end surfaces of the base module 1. Through setting up lug 411 and recess 421 relatively at base module 1's both sides terminal surface for can splice between each base module 1 along same direction and extend, improve the concatenation convenience between base module 1.

In other embodiments, the bumps 411 or the grooves 421 may be respectively disposed on the four side end surfaces of the base module 1, so as to increase the splicing expansion dimension of the base module 1, which is not limited herein.

In the embodiment of the present utility model, the connector for protecting the back plate of the device further includes a first clamping structure 5 disposed on the base module 1, and the base module 1 is detachably connected to the back plate 100 through the first clamping structure 5.

Through setting up first joint structure 5 on base module 1, utilize first joint structure 5 can connect backplate 100 fast to improved the connection efficiency between base module 1 and backplate 100, and also increased the connection stability between base module 1 and backplate 100 through first joint structure 5, avoided base module 1 in the use with the problem of displacement between the backplate 100, thereby prevented taking place the virtual joint problem between wiring tube 21 and binding post 111.

In an embodiment of the utility model, the first clamping structure 5 comprises a snap spring or a catch provided on the base module 1. The base module 1 can be fast clamped and fixed on the backboard 100 through the first clamping structure 5, so that the wiring tube 21 on the base module 1 can be inserted into the target wiring terminal 111, fixing pieces such as wire clamps are not required to be additionally used for fixing the wiring tube 21, and the installation efficiency of the wiring tube 21 is improved.

And the connection stability of the base module 1 and the back plate 100 is improved by using the first clamping structure 5, thereby improving the use stability of the wire connection tube 21.

In a specific embodiment, symmetrical linear grooves 61 are formed on two side end surfaces of the back plate 100, and a clamp spring is formed on the base module 1, wherein the clamp spring has two protruding end portions, and the base module 1 is fixed on the back plate 100 by respectively clamping the two protruding end portions in the two linear grooves 61.

In another embodiment, a plurality of positioning portions (not shown) are provided on the upper end surface of the back plate 100, and a buckle is provided on the base module 1, and the base module 1 is fixed on the back plate 100 by matching the buckle with the positioning portions.

In other embodiments, the designer may set other fastening structures on the base module 1 according to the structure of the back plate 100, or implement the fixing process of the base module 1 and the back plate 100 by means of adhesion, which is not limited herein.

In an embodiment of the utility model, the wire pipe 21 is provided with a marking structure comprising a physical marking and/or a visual marking provided on the wire pipe 21.

Through set up the sign structure on the terminal pipe 21, the tester of being convenient for discern each terminal pipe 21 in the use to accelerated recognition efficiency, and avoided the problem of miswire, improved better result of use.

Specifically, the material marks are marks or bumps and the like arranged on each wire connecting tube 21, and a tester obtains information of each wire connecting tube 21 by touching.

The visual indication is a color coated on each of the wiring tubes 21, and the tester rapidly acquires information of each of the wiring tubes 21 by observing the color. The particular configuration of the identification structure may be determined by the designer based on the needs of the application and is not particularly limited herein.

Second embodiment

Referring to fig. 5 and fig. 6 in combination, there is further provided a protection device backboard 100 according to an embodiment of the present utility model, including: a back plate body; the terminal block 110 is arranged on the backboard body, and the terminal block 110 comprises a plurality of wiring terminals 111 which are arranged at intervals; and a second clamping structure 6, wherein the second clamping structure 6 is used for installing a connector for protecting a backboard of the device.

The specific structure, working principle and beneficial effects of the connector for protecting the backboard of the device are the same as those of the foregoing embodiment, and are not repeated here. The wiring efficiency in the verification process can be improved and the problem of virtual connection is prevented by the aid of the connector for the protection device backboard.

In the embodiment of the present utility model, the second clamping structure 6 includes a linear groove 61 disposed on the back plate body, the linear groove 61 is disposed along the extending direction of the terminal row 110, and the linear groove 61 is used for clamping with the first clamping structure 5.

Specifically, two linear grooves 61 are symmetrically arranged on the end surfaces of two sides of the backboard body, so that the two linear grooves 61 can be matched with the clamp springs arranged on the base module 1, and the base module 1 can be conveniently and rapidly fixed on the backboard body. And the position of the base module 1 fixed on the back plate body can be adjusted steplessly through the linear grooves 61, so that each wiring tube 21 is conveniently inserted into the target wiring terminal 111.

All articles and references, including patent applications and publications, disclosed herein are incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not substantially affect the essential novel features of the combination. The use of the terms "comprises" or "comprising" to describe combinations of elements, components, or steps herein also contemplates embodiments consisting essentially of such elements, components, or steps. By using the term "may" herein, it is intended that any attribute described as "may" be included is optional. Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, component, section or step is not intended to exclude other elements, components, sections or steps.

In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other. The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (15)

1. A connector for protecting a device back plate, comprising:

at least one base module detachably connected with the back plate;

the wiring structure is arranged on the base module and comprises at least one wiring pipe penetrating through the base module, and two ends of the wiring pipe are oppositely arranged on two sides of the base module; and

a conductive structure disposed on the wire-connecting tube, the conductive structure including a first conductive portion disposed at one end of the wire-connecting tube and a second conductive portion disposed within the wire-connecting tube, the first conductive portion being electrically connected to the second conductive portion;

the first conductive part can be used for being electrically connected with a wiring terminal on the backboard when the base module is in a connection state with the backboard.

2. The connector for a back plate of a protective device of claim 1, wherein the conductive structure comprises a metal conductor inserted into the wire-receiving tube, one end of the metal conductor being threaded outside one end of the wire-receiving tube to form the first conductive portion.

3. The connector for a back plate of a protective device according to claim 2, wherein the metal conductor is a metal tube, the metal tube is inserted in the wire-receiving tube, and one end of the metal tube is provided protruding outside one end of the wire-receiving tube to form the first conductive portion.

4. A connector for a back plate of a protective device according to claim 3, wherein the connector tube is an elastic insulating tube body.

5. The connector for a back plate of a protective device according to claim 2, wherein a height of the first conductive portion protruding from one end of the wire connection pipe is set at a first distance.

6. The connector for a back plate of a protective device according to claim 1, wherein the connection tube is disposed perpendicular to the base module, a height of one end of the connection tube protruding from the base module is disposed at a second distance, and a height of the other end of the connection tube protruding from the base module is disposed at a third distance.

7. A connector for a back panel of a protective device according to any one of claims 1 to 6, wherein at least two of the connection tubes are provided on the base module, each of the connection tubes being arranged in a spaced apart relationship.

8. The connector for a back panel of a protective device of claim 1, wherein a plurality of base modules are provided, each of the base modules having a splice structure thereon, the splice structure including at least one first splice and at least one second splice disposed on the base module, the first splice on one of the base modules being removably connected to the second splice on the other of the base modules.

9. The connector for a back panel of a protective device of claim 8, wherein the first mating portion is a protrusion provided on the base module, the second mating portion is a recess provided on the base module, and the protrusion on one base module is engaged in the recess on the other base module when two adjacent base modules are in a connected state.

10. The connector for a back plate of a protective device of claim 9, wherein said projection and said recess are oppositely disposed on opposite side end faces of said base module.

11. The connector for a protective device back panel of claim 1, further comprising a first snap-in structure disposed on the base module, the base module being removably connected to the back panel by the first snap-in structure.

12. The connector for a protective device back panel of claim 11, wherein the first snap structure comprises a snap spring or a catch disposed on the base module.

13. A connector for a protective device back panel as defined in claim 1, wherein the wiring tube is provided with an identification structure comprising a physical and/or visual identification provided on the wiring tube.

14. A protective device back plate, comprising:

a back plate body;

the terminal strip is arranged on the backboard body and comprises a plurality of wiring terminals which are arranged at intervals;

and a second clamping structure for mounting a connector for protecting the device back plate.

15. The protective device back plate of claim 14, wherein the second clamping structure comprises a linear groove provided on the back plate body, the linear groove being provided along the extending direction of the terminal strip, the linear groove being for clamping with the first clamping structure.

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