Cable branch box with fault alarm function

Abstract

The invention relates to the technical field of cable branch boxes, and discloses a cable branch box with a fault alarm function, which comprises a cable branch box body, the inner side wall of the cable branch box body is provided with a combined alarm, and the inner bottom wall of the cable branch box body is provided with a ventilation filter plate. The cable branch box comprises a cable branch box body, two supporting legs are fixedly connected to the bottom surface of the cable branch box body, a bracket is fixedly connected to the bottom surface of the cable branch box body, a drying agent box is detachably connected to the interior of the bracket, a driving mechanism is arranged below the drying agent box, and a scraping mechanism is arranged in the drying agent box. A motor and an electric push rod of the driving mechanism are matched with a transverse plate and a scraper of the scraping mechanism, a hardened isolation layer on the surface of a solid desiccant in the desiccant box can be removed, the non-invalid desiccant makes contact with air to continuously absorb moisture, and the problem that in the prior art, when a solid desiccant is used for preventing moisture, the moisture-proof effect is reduced is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable branch boxes, in particular to a cable branch box with a fault alarm function. BACKGROUND

[0002] With the continuous advancement of the cableization process of the power distribution network, the cable branch box, as a key device in power transmission, is widely used in independent load scenarios with small capacity and concentrated distribution, mainly undertaking the core functions of cable tapping and switching. To cope with the influence of humid environment on equipment operation, some cable branch boxes are equipped with a fault alarm function, which can issue a warning when the humidity in the box exceeds the standard.

[0003] However, the existing technology still has obvious deficiencies. The solid desiccant used for moisture-proofing is prone to hardening on the surface after absorbing moisture, forming an insulating layer, which prevents the internal non-failed desiccant from contacting the air, thereby losing the moisture-proofing effect. Moreover, the existing cable branch box lacks a corresponding scraping mechanism to remove the hardened insulating layer on the surface of the desiccant, which greatly reduces the moisture-proofing effect and may cause the electrical components in the box to be damp and oxidized, affecting the stability and service life of the equipment. SUMMARY

[0004] The purpose of the present application is to solve the problem of the existing cable branch box, where the solid desiccant is prone to hardening on the surface after absorbing moisture, forming an insulating layer, which prevents the internal non-failed desiccant from contacting the air, thereby losing the moisture-proofing effect, and the lack of a corresponding scraping mechanism, which easily causes the electrical components in the box to be damp and oxidized, affecting the stability and service life of the equipment. A cable branch box with a fault alarm function is proposed.

[0005] To achieve the above purpose, the present application adopts the following technical solutions: A cable branch box with a fault alarm function, comprising a cable branch box body, a combined alarm installed on the inner side wall of the cable branch box body, an air passage filter plate installed on the inner bottom wall of the cable branch box body, two legs fixedly connected to the bottom surface of the cable branch box body, a bracket fixedly connected to the bottom surface of the cable branch box body, a desiccant box detachably connected to the inside of the bracket, a driving mechanism arranged below the desiccant box, and a scraping mechanism arranged inside the desiccant box.

[0006] By adopting the above technical solutions, the combined alarm can alarm in time when a fault occurs in the box, the air passage filter plate realizes air circulation in the box to cooperate with the desiccant to absorb moisture, the legs reduce ground moisture erosion, and the driving mechanism and the scraping mechanism cooperate to remove the hardened layer on the surface of the desiccant. The overall structure ensures the moisture-proofing effect and operational stability of the cable branch box, and prevents the electrical components from being damp and oxidized.

[0007] Preferably, the driving mechanism comprises a mounting frame fixedly connected with the desiccant box, a motor fixedly installed at the bottom surface of the desiccant box, and a connecting seat fixedly connected with the output end of the motor.

[0008] By adopting the above technical scheme, the mounting frame provides a stable installation basis for the motor, preventing the motor from shaking during operation, and the motor can drive the connecting seat to rotate, thereby providing rotating power for the subsequent scraping mechanism, ensuring stable and reliable driving process, and providing power support for scraping the hardened layer of the desiccant.

[0009] Preferably, an electric push rod is fixedly installed inside the connecting seat, an isolation ring is installed on the inner bottom wall of the desiccant box, a through hole is formed in the inner bottom wall of the desiccant box, and the output end of the electric push rod penetrates through the through hole and extends to the inside of the desiccant box.

[0010] By adopting the above technical scheme, the electric push rod can realize telescopic movement to provide upward and downward movement power for the scraping mechanism, the through hole ensures that the output end of the electric push rod smoothly extends into the desiccant box, and the isolation ring can block impurities from entering the desiccant box to pollute the desiccant, while not affecting the telescopic and rotating movement of the output end of the electric push rod, ensuring smooth movement of the push rod and protecting the desiccant.

[0011] Preferably, a handle is installed on the front surface of the desiccant box.

[0012] By adopting the above technical scheme, the handle provides a force point for workers to disassemble and assemble the desiccant box, facilitating quick removal or installation of the desiccant box, reducing the operation difficulty of desiccant replacement, saving maintenance time, and improving the convenience of equipment maintenance.

[0013] Preferably, a horizontal plate is fixedly connected with the outer surface of the output end of the electric push rod, and a scraper is arranged below the horizontal plate.

[0014] By adopting the above technical scheme, the horizontal plate stably connects the electric push rod and the scraper, so that the telescopic power of the electric push rod can be synchronously transmitted to the scraper, driving the scraper to move up and down to contact the surface of the desiccant, providing a structural basis for subsequent scraping of the hardened layer of the desiccant, and ensuring efficient power transmission.

[0015] Preferably, a guide groove one is formed in the bottom surface of the horizontal plate, a guide column one is slidably connected with the inner wall of the guide groove one, and a push block is fixedly connected with the upper surface of the guide column one.

[0016] By adopting the above technical scheme, the guide groove one limits the sliding direction of the guide column one, preventing the guide column one from deviating, and the push block moves synchronously with the guide column one, which can push the push block to trigger the subsequent sensor after the scraper contacts the desiccant, realizing accurate detection of the contact position of the scraper, and preventing the scraper from being pressed too much Preferably, a pressing sensor is installed on the inner top wall of the guide groove one.

[0017] By adopting the technical scheme, when the push block is pressed against the sensor with the guide column, the sensor can send an electric signal to control the electric push rod to stop extending and retracting, so that the contact distance between the scraper and the desiccant is accurately controlled, the scraper can effectively contact the hardened layer, and the desiccant or the scraper is prevented from being damaged due to excessive extrusion.

[0018] Preferably, the inner top wall of the guide groove one is fixedly connected with a spring, and the bottom end of the spring is fixedly connected with the guide column one.

[0019] By adopting the technical scheme, the spring can provide an elastic reset force, and after the scraping operation is completed, the guide column one and the push block can be driven to reset downward, so that the push block is separated from the pressing sensor, the position detection for the next scraping operation is prepared, and the repeatability and stability of the mechanism are ensured.

[0020] Preferably, the bottom surface of the horizontal plate is provided with a guide groove two, the inner wall of the guide groove two is slidably connected with a guide column two, and the bottom end of the guide column two is fixedly connected with the scraper.

[0021] By adopting the technical scheme, the guide groove two and the guide column two cooperate to limit the movement track of the scraper, so that the scraper always remains stable during rotation or upward and downward movement of the horizontal plate, the scraping of the hardened layer is prevented from being uneven due to deviation of the scraper, and the scraping effect is improved.

[0022] Preferably, the inner wall of the back surface of the cable branch box body is provided with a threading hole.

[0023] By adopting the technical scheme, the threading hole is convenient for cable threading and regular arrangement, and prevents the cable from being randomly wound in the box to affect the operation of other components.

[0024] Compared with the prior art, the cable branch box with the fault alarm function has the following beneficial effects: 1. The motor of the driving mechanism, the electric push rod, the horizontal plate of the scraping mechanism and the scraper are matched, so that the hardened insulation layer on the surface of the solid desiccant in the desiccant box can be removed, the non-failed desiccant can be in contact with air to continuously absorb moisture, and the problem of decreased moisture-proof effect of the solid moisture-proof agent in the prior art is solved.

[0025] 2. The handle on the front surface of the desiccant box is detachably connected with the bracket, so that the staff can conveniently replace the desiccant, the legs on the bottom surface of the cable branch box body reduce ground moisture erosion, the overall structure is stable, the existing equipment does not need to be greatly changed, the cable branch box is easy to process and promote, and the use convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The drawings are schematic diagrams of the three-dimensional structure of the present application; Figure 2It is the bottom view of the present application; Figure 3 It is the bottom view of the present application Figure 2 It is the enlarged view of A in the present application; Figure 4 It is the sectional view of the present application; Figure 5 It is the enlarged view of B in the present application Figure 4 It is the enlarged view of B in the present application Figure 6 It is the enlarged view of C in the present application Figure 4 It is the enlarged view of C in the present application Figure 7 It is the perspective view of the scraper of the present application.

[0027] In the figure: 1, cable branch box body; 2, combined alarm; 3, ventilation filter plate; 4, leg; 5, bracket; 6, desiccant box; 7, handle; 8, threading hole; 9, mounting frame; 10, motor; 11, connecting seat; 12, electric push rod; 13, perforation; 14, isolation ring; 15, cross plate; 16, push block; 17, guide groove one; 18, guide column one; 19, spring; 20, press sensor; 21, guide groove two; 22, guide column two; 23, scraper. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0029] Referring to Figures 1-7 , a cable branch box with a fault alarm function, comprising a cable branch box body 1, a combined alarm 2 is installed on the inner side wall of the cable branch box body 1, and the combined alarm 2 is used to send an alarm signal when a fault occurs in the box.

[0030] A threading hole 8 is formed on the inner wall of the back of the cable branch box body 1, and the threading hole 8 is used for threading and arranging cables.

[0031] A ventilation filter plate 3 is installed on the inner bottom wall of the cable branch box body 1, and the ventilation filter plate 3 can realize air circulation between the inside and outside of the box, so that the desiccant can act on the inside of the cable branch box body 1, and the cable branch box body 1 and the desiccant box 6 form two spaces isolated from each other.

[0032] The bottom surface of the cable branch box body 1 is fixedly connected with two legs 4, which are used for supporting the cable branch box body 1, keeping a certain distance from the ground, reducing ground moisture erosion, the bottom surface of the cable branch box body 1 is fixedly connected with a bracket 5, the inside of the bracket 5 is detachably connected with a desiccant box 6, the desiccant box 6 is placed with solid desiccant, which is used for adsorbing moisture in the air in the box, and the detachable design facilitates the replacement and supplement of the desiccant.

[0033] The front surface of the desiccant box 6 is provided with a handle 7, which provides a force point for the staff to disassemble the desiccant box 6, improving the operation convenience.

[0034] The lower part of the desiccant box 6 is provided with a driving mechanism, and the inside of the desiccant box 6 is provided with a scraping mechanism, the driving mechanism is used for providing power for the scraping mechanism, and the scraping mechanism is used for removing the hardened insulation layer on the surface of the desiccant.

[0035] Specifically, the driving mechanism includes a mounting frame 9, the mounting frame 9 is fixedly connected with the desiccant box 6, and the mounting frame 9 provides mounting support for other components of the driving mechanism, the bottom surface of the desiccant box 6 is fixedly installed with a motor 10, the output end of the motor 10 is fixedly connected with a connecting seat 11, the motor 10 can drive the connecting seat 11 to rotate after being started, the inside of the connecting seat 11 is fixedly installed with an electric push rod 12, and the electric push rod 12 can realize linear extension and retraction.

[0036] The inside bottom wall of the desiccant box 6 is provided with an insulation ring 14, the inside bottom wall of the desiccant box 6 is provided with a perforation 13, the output end of the electric push rod 12 penetrates through the perforation 13 and extends into the inside of the desiccant box 6, the insulation ring 14 is only in contact with the output end of the electric push rod 12, which reduces the impurities entering the inside of the desiccant box 6 and does not affect the extension or rotation of the output end of the electric push rod 12.

[0037] The scraping mechanism comprises a horizontal plate 15 and a scraper 23, the outer surface of the output end of the electric push rod 12 is fixedly connected with the horizontal plate 15, the electric push rod 12 can drive the horizontal plate 15 to move up and down synchronously when the electric push rod 12 is extended or retracted, the lower portion of the horizontal plate 15 is provided with the scraper 23, the scraper 23 is used for directly scraping the hardened insulation layer on the surface of the desiccant, the bottom surface of the horizontal plate 15 is provided with a guide groove one 17, the inner wall of the guide groove one 17 is slidably connected with a guide column one 18, the guide column one 18 can slide up and down along the inner wall of the guide groove one 17, the upper surface of the guide column one 18 is fixedly connected with a push block 16, the push block 16 moves synchronously with the guide column one 18, the inner top wall of the guide groove one 17 is provided with a press sensor 20, the press sensor 20 is used for detecting the moving position of the push block 16 and sending a control signal, the inner top wall of the guide groove one 17 is fixedly connected with a spring 19, the bottom end of the spring 19 is fixedly connected with the guide column one 18, the spring 19 provides the guide column one 18 with a reset elastic force, the bottom surface of the horizontal plate 15 is provided with a guide groove two 21, the inner wall of the guide groove two 21 is slidably connected with a guide column two 22, the bottom end of the guide column two 22 is fixedly connected with the scraper 23, the guide column two 22 cooperates with the guide groove two 21, so that the stability of the scraper 23 during movement and rotation can be ensured.

[0038] In the embodiment, the circuit connection mode of the combination alarm 2, the motor 10, the electric push rod 12 and the press sensor 20 is the existing conventional technology, the power supply can be realized through the self-provided power supply or an external power supply of the cable branch box body 1, and details are not described herein.

[0039] Working principle: when the hardened insulation layer is formed on the surface of the desiccant in the cable branch box body 1, the electric push rod 12 is started, the output end of the electric push rod 12 drives the horizontal plate 15 to move downward, the horizontal plate 15 synchronously drives the scraper 23 to move close to the desiccant, when the scraper 23 contacts the hardened insulation layer on the surface of the desiccant, the horizontally plate 15 continuously moving downward will make the guide column one 18 slide upward along the guide groove one 17, the spring 19 is compressed, at the same time, the guide column one 18 drives the push block 16 to move upward and press the press sensor 20. After the press sensor 20 is triggered, a stop signal is sent to the electric push rod 12, and the electric push rod 12 stops moving.

[0040] Subsequently, the motor 10 is started, the output end of the motor 10 drives the connecting seat 11 to rotate, the connecting seat 11 synchronously drives the electric push rod 12 to rotate, the electric push rod 12 drives the scraper 23 to rotate through the horizontal plate 15, in the process of rotation, the scraper 23 can scrape the hardened insulation layer on the surface of the desiccant, so that the internal non-failed desiccant is exposed and continues to play a role of moisture absorption and damp-proof.

[0041] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not intended to limit the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application. Unless otherwise defined, the technical terms or scientific terms used in the present application should be understood as the common meanings understood by those skilled in the art. The "first", "second", "third" and similar words used in the specification and claims of the present application do not represent any order, number or importance, but are used to distinguish different components. "One" or "a" and similar words do not represent a number limit, but represent the existence of at least one. "Including" or "containing" and similar words mean that the elements or objects appearing before "including" or "containing" cover the elements or objects listed after "including" or "containing" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0042] The above is only the preferred embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the design concept of the present application should be included in the protection scope of the present application.

Claims

1. A cable branch box with fault alarm function, comprising a cable branch box body (1), characterized in that: A combined alarm (2) is installed on the inner side wall of the cable branch box body (1). A ventilation filter plate (3) is installed on the inner bottom wall of the cable branch box body (1). Two support legs (4) are fixedly connected to the bottom surface of the cable branch box body (1). A bracket (5) is fixedly connected to the bottom surface of the cable branch box body (1). A desiccant box (6) is detachably connected inside the bracket (5). A drive mechanism is provided below the desiccant box (6). A scraping mechanism is provided inside the desiccant box (6).

2. A cable branch box with fault alarm function according to claim 1, characterized in that, The drive mechanism includes a mounting bracket (9), which is fixedly connected to the desiccant box (6). A motor (10) is fixedly mounted on the bottom surface of the desiccant box (6), and a connecting seat (11) is fixedly connected to the output end of the motor (10).

3. A cable branch box with fault alarm function according to claim 2, characterized in that, An electric push rod (12) is fixedly installed inside the connecting seat (11). An insulating ring (14) is installed on the inner bottom wall of the desiccant box (6). A perforation (13) is opened on the inner bottom wall of the desiccant box (6). The output end of the electric push rod (12) passes through the perforation (13) and the insulating ring (14) and extends into the interior of the desiccant box (6).

4. A cable branch box with fault alarm function according to claim 1, characterized in that, A handle (7) is installed on the front of the desiccant box (6).

5. A cable branch box with fault alarm function according to claim 3, characterized in that, A horizontal plate (15) is fixedly connected to the outer surface of the output end of the electric push rod (12), and a scraper (23) is provided below the horizontal plate (15).

6. A cable branch box with fault alarm function according to claim 5, characterized in that, The bottom surface of the horizontal plate (15) is provided with a guide groove (17), the inner wall of the guide groove (17) is slidably connected with a guide post (18), and the upper surface of the guide post (18) is fixedly connected with a push block (16).

7. A cable branch box with fault alarm function according to claim 6, characterized in that, A press-type sensor (20) is installed on the inner top wall of the guide groove (17).

8. A cable branch box with fault alarm function according to claim 6, characterized in that, A spring (19) is fixedly connected to the inner top wall of the guide groove (17), and the bottom end of the spring (19) is fixedly connected to the guide post (18).

9. A cable branch box with fault alarm function according to claim 5, characterized in that, The bottom surface of the horizontal plate (15) is provided with a guide groove (21), and the inner wall of the guide groove (21) is slidably connected with a guide post (22), and the bottom end of the guide post (22) is fixedly connected to the scraper (23).

10. A cable branch box with fault alarm function according to claim 1, characterized in that, The inner wall of the back of the cable branch box body (1) is provided with a wire hole (8).

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