Grounding terminal box for signal detection of cable grounding loop

Abstract

The utility model discloses a grounding terminal box for signal detection of a cable grounding loop, relates to the technical field of electrical equipment, aims to solve the problem that different grounding wires cannot be automatically wound, unwound and fixed, and adopts the technical scheme that the grounding terminal box comprises a box body, a transmission detector, a terminal interface, an automatic winding and fixing assembly and the grounding wires, the transmission detector is fixedly arranged in the box body, the terminal interface is fixedly arranged on the transmission detector, the automatic winding and fixing assembly is fixedly connected with the inner wall of the box body, one end of the grounding wire is inserted into the terminal interface, the grounding wire is arranged in the automatic winding and fixing assembly and the box body in a penetrating manner, and the box cover is rotationally arranged at the top of the box body. By using the automatic winding and fixing assembly, different ground wires can be automatically wound and unwound, meanwhile, the ground wire which is being wound and unwound can be better fixed, and the ground wire winding and unwinding device is convenient to use.

Description

Technical Field

[0001] The utility model belongs to the field of electrical equipment, in particular to a grounding terminal box, and relates to a grounding terminal box for signal detection of a cable grounding loop. Background Art

[0002] The terminal box is an interface device that switches construction lines, marks branch lines, and provides convenience for wiring and line tracing. To facilitate construction and debugging, some special products with regular installation settings, such as ground loop signal detection devices, can be installed in the terminal box, which can easily detect the signal of the ground loop and ensure the normal use of the ground loop.

[0003] The patent application with the publication number CN214378904U discloses an improved equipotential grounding terminal box, which includes a box body with an opening on one side and a terminal board installed in the box body. The side wall of the box body is provided with a plurality of wire inlets, each of which is provided with a grounding wire. The terminal board is provided with a plurality of connection holes, and the connection holes are slidably connected with fixing bolts. The fixing bolts pass through a hole on the bolt body at one end of the connection hole, and the grounding wire passes through one end of the wire inlet and is slidably connected to the hole. The fixing bolt passes through one end of the connection hole and is threadedly connected with a fixing nut, and the fixing nut fixes the grounding wire to the terminal board. By adopting the above technical solution, the grounding wire is fixed to the terminal board by the fixing bolt, which is convenient for the subsequent disassembly and maintenance of the grounding wire.

[0004] The above-mentioned comparative document only uses fixing bolts to fix the grounding wire on the terminal board when in use. The grounding wire will have the problem of long lines when in use. Different wires are wound together and placed in the box. The above-mentioned comparative document cannot classify and automatically reel in different wires, and cannot clamp and fix the wires being reeled, which is not conducive to the inspection and maintenance of the line, and is easy to damage the wire.

[0005] In summary, the utility model therefore provides a grounding terminal box for signal detection of a cable grounding loop to solve the above-mentioned problem. Utility Model Content

[0006] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a grounding terminal box for signal detection of a cable grounding loop, which has the advantage that it can automatically reel in and unreel different grounding wires and can better fix the grounding wires being reeled in and unreeled.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A grounding terminal box for signal detection of a cable grounding loop comprises a box body, a transmission detector, a terminal interface, an automatic winding and fixing component and a grounding wire, wherein the transmission detector is fixedly mounted in the box body, the terminal interface is fixedly mounted on the transmission detector, the automatic winding and fixing component is fixedly connected to the inner wall of the box body, one end of the grounding wire is inserted into the terminal interface, and the grounding wire is passed through the automatic winding and fixing component and the box body.

[0009] By adopting the above technical scheme, the box body can protect various components in the grounding terminal box, the transmission detector can detect and transmit signals for the grounding loop, the terminal interface can facilitate the connection between the grounding wire and the transmission detector, the automatic winding and fixing component can automatically wind up and unwind the grounding wire, and at the same time, the automatic winding and fixing component can fix and limit the grounding wire being wound up and unwound, so that the grounding wire can conveniently transmit information.

[0010] The utility model is further configured as follows: a box cover is rotatably mounted on the top of the box body, lock buckles are fixedly mounted on the side walls of the box body and the box cover, and buckles are penetrated through the side walls of the box body.

[0011] By adopting the above technical solution, the box cover can seal the box body, the lock can conveniently fix the box cover and the box body, and the buckle can fix the grounding wire.

[0012] The utility model is further configured as follows: the automatic winding and fixing assembly comprises a motor, a rotating plate and a limiting clamp, the rotating plate is fixedly connected to the output shaft of the motor, and the limiting clamp is rotatably connected to the rotating plate.

[0013] By adopting the above technical solution, the starting of the motor can drive the rotating plate to rotate, the rotation of the rotating plate can drive the limiting clamp to rotate, and the limiting clamp can rotate around the central axis of the output shaft of the motor.

[0014] The utility model is further configured as follows: the automatic winding and fixing assembly comprises a fixing plate and a winding shaft, the winding shaft is fixedly mounted on a side wall of the fixing plate, and a fixing cylinder is fixedly mounted on the winding shaft.

[0015] By adopting the above technical solution, the fixing plate can fix the winding shaft, the grounding wire can be wound around the winding shaft, the fixing cylinder can fix the spring, and the fixing cylinder can limit the limiting cylinder.

[0016] The utility model is further configured as follows: the automatic winding and fixing assembly comprises a spring, and the spring is fixedly connected to the top wall of the fixing cylinder.

[0017] By adopting the above technical solution, the spring can give thrust to the fixing clamp.

[0018] The utility model is further configured as follows: the automatic winding and fixing assembly comprises a fixing clamp, the fixing clamp is fixedly connected to the spring, a limiting cylinder is fixedly mounted on the fixing clamp, the spring is inserted into the limiting cylinder, and the limiting cylinder is inserted into the fixing cylinder.

[0019] By adopting the above technical solution, the fixing clamp can clamp the grounding wire, the limiting cylinder can limit the spring to prevent the spring from bending, and the limiting cylinder can limit the fixing clamp to prevent the two fixing clamps from being misaligned.

[0020] The utility model is further configured as follows: the automatic winding and fixing assembly comprises an anti-slip sheet, and the anti-slip sheet is mounted on the fixing clip by bonding.

[0021] By adopting the above technical solution, the anti-slip sheet can better fix the ground wire and prevent the ground wire from sliding.

[0022] In summary, the beneficial technical effects of the utility model are:

[0023] 1. Through the use of automatic winding and fixing components, the effect of automatic winding and unwinding of different grounding wires can be achieved, which can prevent different grounding wires from being entangled with each other and causing damage, and can also facilitate troubleshooting and maintenance.

[0024] 2. By using the automatic winding and fixing component, it is possible to fix the different grounding wires being wound, prevent the grounding wires being wound from being separated from the terminal interface due to pulling, and prevent the connecting ends of the grounding wires from being pulled and damaged.

[0025] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0027] Figure 1 This is a front view structural schematic diagram of the utility model;

[0028] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0029] Figure 3 This is a right view structural diagram of the automatic winding and fixing assembly of the utility model;

[0030] Figure 4 This is a schematic diagram of the disassembled structure of the automatic winding and fixing component of the utility model;

[0031] Figure 5This is a cable detection signal processing circuit diagram of the utility model;

[0032] Figure 6 This is a ground loop data processing circuit diagram of the utility model;

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] 1. Box body; 101. Box cover; 102. Lock; 103. Buckle; 2. Transmission detector; 3. Terminal interface; 4. Automatic winding and fixing assembly; 401. Motor; 402. Rotating plate; 403. Limiting clip; 404. Fixing plate; 405. Winding shaft; 406. Fixing cylinder; 407. Spring; 408. Fixing clip; 409. Limiting cylinder; 410. Anti-slip sheet; 5. Grounding wire. DETAILED DESCRIPTION

[0035] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0036] Reference Figure 1-6 , which is a grounding terminal box for signal detection of a cable grounding loop disclosed by the utility model, includes a box body 1, a transmission detector 2, a terminal interface 3, an automatic winding and fixing component 4 and a grounding wire 5. The transmission detector 2 is fixedly installed in the box body 1, and the terminal interface 3 is fixedly installed on the transmission detector 2. The automatic winding and fixing component 4 is fixedly connected to the inner wall of the box body 1, one end of the grounding wire 5 is inserted in the terminal interface 3, and the grounding wire 5 is passed through the automatic winding and fixing component 4 and the box body 1.

[0037] The grounding wire 5 is passed through the side wall of the box body 1, and then the grounding wire 5 is stuck in the various components on the automatic winding and fixing component 4, and then the connecting end of the grounding wire 5 is removed into the terminal interface 3. By starting the automatic winding and fixing component 4, the end of the grounding wire 5 away from the terminal interface 3 can be wound up, and the excess grounding wire 5 can be wound up to prevent different grounding wires 5 from being entangled. While the grounding wire 5 is being wound up, the automatic winding and fixing component 4 will fix the grounding wire 5 to prevent the end of the grounding wire 5 connected to the terminal interface 3 from being separated from the terminal interface 3. After the box body 1 is sealed, the grounding wire 5 can transmit the signal in the transmission detector 2 through the terminal interface 3, and the transmission detector 2 can detect the signal in the grounding loop.

[0038] Reference Figure 1 In this embodiment, a box cover 101 is rotatably mounted on the top of the box body 1 , a lock 102 is fixedly mounted on the side walls of the box body 1 and the box cover 101 , and a buckle 103 is penetrated through the side wall of the box body 1 .

[0039] The box cover 101 can seal the top opening of the box body 1, one end of the lock buckle 102 is fixedly mounted on the box body 1, and the other end of the lock buckle 102 is fixedly mounted on the box cover 101. After the two ends of the lock buckle 102 are connected, the box cover 101 and the box body 1 can be better sealed, which can prevent the box cover 101 from opening automatically. The buckle 103 is sleeved on the grounding wire 5 to prevent the grounding wire 5 from being damaged by the side wall of the box body 1.

[0040] Reference Figure 3-4 The automatic winding and fixing assembly 4 of this embodiment includes a motor 401, a rotating plate 402 and a limit clamp 403. The rotating plate 402 is fixedly connected to the output shaft of the motor 401, and the limit clamp 403 is rotatably connected to the rotating plate 402. The automatic winding and fixing assembly 4 includes a fixed plate 404 and a winding shaft 405. The winding shaft 405 is fixedly mounted on the side wall of the fixed plate 404. A fixed cylinder 406 is fixedly mounted on the winding shaft 405. The automatic winding and fixing assembly 4 includes an elastic Spring 407, spring 407 is fixedly connected to the top wall of the fixed tube 406, the automatic winding and fixing component 4 includes a fixing clamp 408, the fixing clamp 408 is fixedly connected to the spring 407, a limiting tube 409 is fixedly installed on the fixing clamp 408, the spring 407 is passed through the limiting tube 409, the limiting tube 409 is passed through the fixing tube 406, the automatic winding and fixing component 4 includes an anti-slip sheet 410, and the anti-slip sheet 410 is installed on the fixing clamp 408 by bonding.

[0041] After the grounding wire 5 is inserted into the buckle 103, the grounding wire 5 is clamped in the limit clamp 403, and then the connecting end of the grounding wire 5 is inserted into the terminal interface 3. A section of the grounding wire 5 close to the terminal interface 3 is straightened and clamped in the winding shaft 405, and the anti-slip sheet 410 is pressed. The anti-slip sheet 410 presses the fixing clamp 408, and the fixing clamp 408 presses the limit cylinder 409 and the spring 407. The end of the spring 407 away from the fixing clamp 408 is fixed by the fixing cylinder 406, and the spring 407 is compressed. Generate thrust, the spring 407 gives the fixing clamp 408 an opposite thrust, the fixing clamp 408 gives the anti-slip sheet 410 an opposite thrust, the straightened section of the grounding wire 5 close to the terminal interface 3 is placed in the two anti-slip sheets 410, the anti-slip sheets 410 are released, the two anti-slip sheets 410 respectively give opposite thrusts to the section of the grounding wire 5 close to the terminal interface 3, the section of the grounding wire 5 close to the terminal interface 3 is clamped in the anti-slip sheets 410, and the section of the grounding wire 5 close to the terminal interface 3 can be fixed.

[0042] The grounding wire 5 stuck in the winding shaft 405 is wound out from the bottom of the winding shaft 405 and passed through the limit clamp 403. The grounding wire 5 that exceeds the limit clamp 403 is between the buckle 103 and the limit clamp 403. When viewed from the direction of the motor 401 toward the rotating plate 402, the motor 401 is started to drive the rotating plate 402 to rotate clockwise, and the rotating plate 402 drives the limit clamp 403 to rotate clockwise. The limit clamp 403 drives the grounding wire 5 that exceeds the limit clamp 403 to rotate clockwise, and the limit clamp 403 rotates around the central axis of the winding shaft 405. The grounding wire 5 at one end between the limit clamp 403 and the winding shaft 405 rotates around the winding shaft 405. The winding shaft 405 The grounding wire 5 between the limit clamp 403 and the winding shaft 405 is fixed by the fixed plate 404, and the grounding wire 5 between the limit clamp 403 and the buckle 103 is wound on the winding shaft 405. At the same time, the grounding wire 5 between the limit clamp 403 and the buckle 103 is pulled by the winding shaft 405, and the grounding wire 5 between the limit clamp 403 and the buckle 103 slides in the limit clamp 403, and the grounding wire 5 is wound. The limit clamp 403 rotates around the central axis of the winding shaft 405, and at the same time, the limit clamp 403 and the rotating plate 402 rotate, and the grounding wire 5 between the limit clamp 403 and the buckle 103 is always above the limit clamp 403, preventing the grounding wire 5 from being wound on the limit clamp 403.

[0043] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A grounding terminal box for signal detection of a cable grounding loop, comprising: A box (1), a transmission detector (2), a terminal interface (3), an automatic winding and fixing component (4) and a grounding wire (5), characterized in that the transmission detector (2) is fixedly installed in the box (1), the terminal interface (3) is fixedly installed on the transmission detector (2), the automatic winding and fixing component (4) is fixedly connected to the inner wall of the box (1), one end of the grounding wire (5) is inserted into the terminal interface (3), and the grounding wire (5) is passed through the automatic winding and fixing component (4) and the box (1).

2. A grounding terminal box for signal detection of a cable grounding loop according to claim 1, characterized in that: A box cover (101) is rotatably mounted on the top of the box body (1), a lock buckle (102) is fixedly mounted on the side walls of the box body (1) and the box cover (101), and a buckle (103) is passed through the side wall of the box body (1).

3. A grounding terminal box for signal detection of a cable grounding loop according to claim 1, characterized in that: The automatic winding and fixing assembly (4) comprises a motor (401), a rotating plate (402) and a limiting clamp (403); the rotating plate (402) is fixedly connected to the output shaft of the motor (401); and the limiting clamp (403) is rotatably connected to the rotating plate (402).

4. A grounding terminal box for signal detection of a cable grounding loop according to claim 3, characterized in that: The automatic winding and fixing assembly (4) comprises a fixing plate (404) and a winding shaft (405), wherein the winding shaft (405) is fixedly mounted on a side wall of the fixing plate (404), and a fixing cylinder (406) is fixedly mounted on the winding shaft (405).

5. A grounding terminal box for signal detection of a cable grounding loop according to claim 4, characterized in that: The automatic winding and fixing assembly (4) comprises a spring (407), and the spring (407) is fixedly connected to the top wall of the fixing cylinder (406).

6. A grounding terminal box for signal detection of a cable grounding loop according to claim 5, characterized in that: The automatic winding and fixing component (4) comprises a fixing clamp (408), wherein the fixing clamp (408) is fixedly connected to the spring (407), a limiting cylinder (409) is fixedly mounted on the fixing clamp (408), the spring (407) is inserted into the limiting cylinder (409), and the limiting cylinder (409) is inserted into the fixing cylinder (406).

7. A grounding terminal box for signal detection of a cable grounding loop according to claim 6, characterized in that: The automatic winding and fixing component (4) comprises an anti-slip sheet (410), and the anti-slip sheet (410) is mounted on the fixing clamp (408) by bonding.

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