Low-voltage power failure detection equipment

By designing a low-voltage power fault detection device with adjustable support components and a cleaning ring, the problems of inflexible equipment adjustment and unstable movement were solved, achieving efficient and accurate wire fault detection.

CN224286962UActive Publication Date: 2026-05-26SICHUAN HAOZHI ELECTRIC POWER ENGINEERING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN HAOZHI ELECTRIC POWER ENGINEERING CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing low-voltage power fault detection equipment suffers from inflexible support component adjustment, unstable movement, and a lack of wire cleaning function, which affects detection efficiency and accuracy.

Method used

A detection box including an adjustable support component is designed, combined with a moving mechanism of upper and lower rollers, and a cleaning ring and brush are set on the detection box to adapt to different wire heights and diameters, ensuring stable movement and cleaning of the wire surface.

Benefits of technology

It improves the versatility and testing efficiency of the equipment, reduces lag, ensures smooth testing, and enhances the accuracy of the inductive current meter.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224286962U_ABST
Patent Text Reader

Abstract

The utility model discloses a low-voltage electric power fault detection device which is composed of a detection box and a supporting assembly. The detection box is connected with the supporting assembly, is used for wire fault detection, and comprises an upper box body and a lower box body. Lower rollers and an induction electricity measuring instrument are arranged in the lower box body, the lower rollers are located on the two sides, and the induction electricity measuring instrument is located in the middle; and the upper roller and the lower roller in the upper box body form a moving mechanism, so that the detection box can stably move on the electric wire, and jamming is reduced. The supporting assembly is composed of an inner rod and an outer rod, the inner rod is arranged in the outer rod in a sliding mode and fixed to the lower box body, the outer rod is fixed to the upper box body, and the distance between the upper box body and the lower box body can be adjusted. The equipment is adaptive to detection of electric wires with different heights and diameters through the adjustable supporting assembly, and is high in universality and high in detection efficiency.
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Description

Technical Field

[0001] This utility model belongs to the field of low-voltage power detection technology, specifically a low-voltage power fault detection device. Background Technology

[0002] In low-voltage power systems, wire faults are a common problem that disrupts the normal power supply. Currently, low-voltage power fault detection equipment on the market has several shortcomings. For example, most existing detection equipment has a fixed structure, and the adjustment of its support components is not flexible enough, making it difficult to adapt to the detection needs of wires at different heights and locations, resulting in low detection efficiency. At the same time, the moving mechanism of the detection equipment is not stable enough, and problems such as jamming during wire movement can easily occur, affecting the accuracy of the detection. Furthermore, existing detection equipment usually lacks a wire cleaning function; dust and debris on the wire surface can affect the detection accuracy of the inductive current meter, leading to inaccurate detection results.

[0003] Therefore, there is an urgent need for a low-voltage power fault detection device that can solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a low-voltage power fault detection device to solve the problems of inconvenient support and adjustment, unstable movement, and lack of wire cleaning function in existing detection devices.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A low-voltage power fault detection device includes a detection box and a support assembly; wherein the detection box is connected to the support assembly, and the support assembly supports the detection box, and the detection box is used for fault detection of power lines;

[0007] The testing box includes an upper box and a lower box. The lower box contains a lower roller and an inductive voltage meter. The lower roller is located on both sides of the lower box, and the inductive voltage meter is located in the middle of the lower box. The upper box contains an upper roller. The upper roller and the lower roller together form a moving mechanism.

[0008] The support assembly includes an inner rod and an outer rod; the inner rod is slidably disposed inside the outer rod and is also fixedly connected to the lower housing, while the outer rod is fixedly connected to the upper housing. The distance between the upper and lower housings is adjusted by sliding the inner rod inside the outer rod.

[0009] According to the above technical solution, a connecting component is provided at the end of the outer rod, and the outer rod is connected to the upper box body through the connecting component.

[0010] According to the above technical solution, the connecting component includes a connecting rod and a connecting post; wherein, the two ends of the connecting rod are respectively connected to the outer rod and the connecting post; the connecting rod is used to connect the upper box and the connecting post.

[0011] According to the above technical solution, an installation ring is provided at the end of the connecting rod, and the installation ring is used to fix the connecting column.

[0012] According to the above technical solution, a rotating ring is also provided at the lower end of the outer rod, and the rotating ring is rotatably connected to the outer rod; the rotating ring is used to drive the inner rod to move.

[0013] According to the above technical solution, a thread is provided on the outer surface of the inner rod, and an internal thread is provided inside the rotating ring, with the rotating ring and the inner rod being threadedly connected.

[0014] According to the above technical solution, a fixing ring is provided on the outer wall of the lower box body, and the fixing ring is used to fix the inner rod.

[0015] According to the above technical solution, a first opening is provided on the upper box body, and a second opening is provided on the lower box body; wherein, the first opening and the second opening are combined to form a wire passage hole.

[0016] According to the above technical solution, a first cleaning ring is provided inside the first opening, and a second cleaning ring is provided inside the second opening. The first and second cleaning rings are used to clean the wires from the top and bottom.

[0017] According to the above technical solution, brushes are provided on the inner sides of both the first and second cleaning rings to clean the wires.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] In this invention, by setting an adjustable support component, the distance between the upper and lower boxes can be flexibly adjusted to adapt to the testing needs of wires of different heights and diameters, thereby improving the versatility and testing efficiency of the equipment. The moving mechanism is composed of upper and lower rollers, enabling the testing box to move stably on the wire, reducing jamming and ensuring smooth testing. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0022] Figure 3 This is a schematic diagram of the rear view structure of this utility model.

[0023] The markings in the diagram are: 100 - upper box, 200 - lower box, 300 - lower roller, 400 - inductive current meter, 500 - upper roller, 600 - inner rod, 700 - outer rod, 800 - connecting rod, 900 - connecting column, 110 - mounting ring, 111 - rotating ring, 112 - fixing ring, 113 - first opening, 114 - second opening, 115 - first cleaning ring, 116 - second cleaning ring, 117 - handle. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1

[0026] like Figure 1 As shown, a low-voltage power fault detection device includes a detection box and a support assembly; wherein, the detection box is connected to the support assembly, and the support assembly supports the detection box, and the detection box is used for fault detection of the power line;

[0027] The testing box includes an upper box body 100 and a lower box body 200. The lower box body 200 is equipped with lower rollers 300 and an inductive current meter 400. The lower rollers 300 are located on both sides of the lower box body 200, and the inductive current meter 400 is located in the middle of the lower box body 200. The upper box body 100 is equipped with upper rollers 500. The upper rollers 500 and the lower rollers 300 are combined to form a moving mechanism.

[0028] The support assembly includes an inner rod 600 and an outer rod 700; the inner rod 600 is slidably disposed inside the outer rod 700 and is also fixedly connected to the lower box 200, while the outer rod 700 is fixedly connected to the upper box 100. The distance between the upper box 100 and the lower box 200 can be adjusted by sliding the inner rod 600 inside the outer rod 700.

[0029] In this invention, by setting an adjustable support component, the distance between the upper box 100 and the lower box 200 can be flexibly adjusted to adapt to the testing needs of wires of different heights and diameters, thereby improving the versatility and testing efficiency of the equipment. The moving mechanism is composed of an upper roller 500 and a lower roller 300, which enables the testing box to move stably on the wire, reducing jamming and ensuring smooth testing.

[0030] The cleaning ring and brush effectively clean the surface of the wires, removing impurities that may affect detection and improving the accuracy of the inductive current meter 400. The connection components and retaining ring 112 ensure the stability of the connections between the parts, improving the overall reliability and lifespan of the equipment.

[0031] Example 2

[0032] This embodiment is a further refinement of Embodiment 1.

[0033] like Figure 3 As shown, a connecting assembly is provided at the end of the outer rod 700, and the outer rod 700 is connected to the upper housing 100 through the connecting assembly. The connecting assembly includes a connecting rod 800 and a connecting post 900; wherein, the two ends of the connecting rod 800 are connected to the outer rod 700 and the connecting post 900 respectively; the connecting rod 800 is used to connect the upper housing 100 and the connecting post 900. A mounting ring 110 is provided at the end of the connecting rod 800, and the mounting ring 110 is used to fix the connecting post 900.

[0034] This embodiment provides a specific implementation of a connecting assembly for fixing the outer rod 700 and the upper housing 100. Specifically, a connecting rod 800 is provided at the end of the outer rod 700, and an mounting ring 110 is provided at the end of the connecting rod 800. A connecting post 900 is mounted using the mounting ring 110, and the upper housing 100 and the outer rod 700 are fixed using the connecting post 900.

[0035] Furthermore, two connecting rods 800 are provided, which are respectively located on both sides of the outer rod 700. The outer rod 700 and the upper box 100 are fixedly connected by two connecting posts 900, making the installation of the upper box 100 more secure.

[0036] Furthermore, a through hole is provided on the mounting ring 110, and a threaded hole corresponding to the through hole is provided at the end of the connecting post 900, and the mounting ring 110 and the connecting post 900 are fixed by bolts.

[0037] Furthermore, a ring is provided on the upper box 100, and the connecting post 900 is fixedly connected to the ring by bolts to complete the fixation of the connecting post 900 to the upper box 100.

[0038] Furthermore, a handle 117 is provided on the outer rod, with both ends of the handle 117 located on both sides of the rotating ring. The handle 117 facilitates the use and transportation of the testing equipment. Furthermore, the handle 117, located on both sides of the rotating ring 111, also serves to fix the outer rod and prevent the upper end of the outer rod from rotating with the rotating ring 111.

[0039] Preferably, the number of handles 117 can be determined according to the actual usage.

[0040] A fixing ring 112 is provided on the outer wall of the lower box 200. The fixing ring 112 is used to fix the inner rod 600.

[0041] This embodiment provides a specific implementation method for connecting the rotating ring and the outer rod.

[0042] like Figure 1 and Figure 2 As shown, a rotating ring 111 is also provided at the lower end of the outer rod 700, and the rotating ring 111 is rotatably connected to the outer rod 700; the rotating ring 111 is used to drive the inner rod 600 to move. A thread is provided on the outer surface of the inner rod 600, and an internal thread is provided inside the rotating ring 111, and the rotating ring 111 is threadedly connected to the inner rod 600.

[0043] Specifically, an annular limiting groove is machined on the outer wall of the outer rod 700. Simultaneously, annular protrusions matching the limiting groove are provided on the inner walls of the upper and lower ends of the rotating ring 111. When the rotating ring 111 is installed inside the outer rod 700, the protrusions on the inner wall of the rotating ring 111 embed into the limiting groove of the outer rod 700, restricting the axial movement of the rotating ring 111 while allowing the rotating ring 111 to rotate circumferentially relative to the outer rod 700 along the limiting groove.

[0044] like Figure 1 As shown, a first opening 113 is provided on the upper housing 100, and a second opening 114 is provided on the lower housing 200; wherein, the first opening 113 and the second opening 114 combine to form a wire passage hole. A first cleaning ring 115 is provided inside the first opening 113, and a second cleaning ring 116 is provided inside the second opening 114. The first cleaning ring 115 and the second cleaning ring 116 are used to clean the wire from the top and bottom. Brushes are provided on the inner sides of both the first cleaning ring 115 and the second cleaning ring 116, and the wire is cleaned by the brushes.

[0045] Specifically, the first opening 113 of the upper housing 100 and the second opening 114 of the lower housing 200 combine to form a wire passage hole. Brushes are provided inside the first cleaning ring 115 within the first opening 113 and the second cleaning ring 116 within the second opening 114. When the wire passes through the wire passage hole, the brushes can clean the upper and lower surfaces of the wire. By cleaning the upper and lower surfaces of the wire, the impact of adhering substances on wire detection is reduced.

[0046] Furthermore, one end of the inductive voltage tester 400 is fixedly installed inside the lower housing 200, and the other end of the inductive voltage tester 400 extends to the outside of the lower housing 200. When a fault is detected, the lower end of the inductive voltage tester 400 emits an alarm signal, making it convenient for the user to perceive the existence of the fault.

[0047] Specifically, the inductive current meter 400 uses existing devices, such as the UNI-T UT12A. The UNI-T UT12A is a non-contact inductive current meter with multi-functional digital current measurement capabilities. It can accurately detect the current in wires and effectively determine whether there are faults in the wires. It has a wide measurement range, meeting the detection needs of various common voltages in low-voltage power systems, and features buzzer and flashing indicator functions, allowing users to intuitively obtain test results. It is simple and convenient to operate.

[0048] The working principle of this utility model is as follows: In use, the wire is first passed through the wire through-hole. The rotating ring 111 on the outer rod 700 is rotated, causing the inner rod 600 to move within the outer rod 700 via threaded transmission. The distance between the upper box 100 and the lower box 200 is adjusted, causing the upper roller 500 and lower roller 300 to clamp the wire. Then, the outer rod 700 pulls the detection box, and the moving mechanism drives the detection box along the wire. The inductive current meter 400 performs fault detection on the wire. During the movement, the brushes of the first cleaning ring 115 and the second cleaning ring 116 simultaneously clean the surface of the wire to ensure the accuracy of the detection.

[0049] This embodiment provides another method for driving the detection box to move. Because the wires are relatively long, manually pulling the detection box is inconvenient in areas with poor road conditions. Therefore, a drive motor can be used to rotate the upper roller 500, thereby driving the detection box to move and complete the wire detection in a specific area.

[0050] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0051] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A low-voltage power fault detection device, characterized in that: It includes a detection box and a support assembly; the detection box is connected to the support assembly, which supports the detection box. The detection box is used for fault detection of wires. The detection box includes an upper box body (100) and a lower box body (200). The lower box body (200) is provided with a lower roller (300) and an inductive current meter (400) inside. The lower roller (300) is located on both sides of the lower box body (200), and the inductive current meter (400) is located in the middle of the lower box body (200). The upper box body (100) is provided with an upper roller (500). The upper roller (500) and the lower roller (300) are combined to form a moving mechanism. The support assembly includes an inner rod (600) and an outer rod (700); wherein the inner rod (600) is slidably disposed inside the outer rod (700), and the inner rod (600) is also fixedly connected to the lower box (200), and the outer rod (700) is fixedly connected to the upper box (100). The distance between the upper box (100) and the lower box (200) can be adjusted by the inner rod (600) sliding inside the outer rod (700).

2. The low-voltage power fault detection device according to claim 1, characterized in that: A connecting component is provided at the end of the outer rod (700), and the outer rod (700) is connected to the upper box (100) through the connecting component.

3. The low-voltage power fault detection device according to claim 2, characterized in that: The connecting assembly includes a connecting rod (800) and a connecting post (900); wherein, the two ends of the connecting rod (800) are connected to the outer rod (700) and the connecting post (900) respectively; the connecting rod (800) is used to connect the upper box (100) and the connecting post (900).

4. The low-voltage power fault detection device according to claim 3, characterized in that: A mounting ring (110) is provided at the end of the connecting rod (800), and the mounting ring (110) is used to fix the connecting column (900).

5. A low-voltage power fault detection device according to claim 1, characterized in that: The lower end of the outer rod (700) is also provided with a rotating ring (111), which is rotatably connected to the outer rod (700); the rotating ring (111) is used to drive the inner rod (600) to move.

6. A low-voltage power fault detection device according to claim 5, characterized in that: A thread is provided on the outer surface of the inner rod (600), and an internal thread is provided inside the rotating ring (111). The rotating ring (111) is threadedly connected to the inner rod (600).

7. A low-voltage power fault detection device according to claim 1, characterized in that: A fixing ring (112) is provided on the outer wall of the lower box (200), and the fixing ring (112) is used to fix the inner rod (600).

8. A low-voltage power fault detection device according to claim 1, characterized in that: A first opening (113) is provided on the upper box (100), and a second opening (114) is provided on the lower box (200); wherein the first opening (113) and the second opening (114) are combined to form a wire passage hole.

9. A low-voltage power fault detection device according to claim 8, characterized in that: A first cleaning ring (115) is provided inside the first opening (113), and a second cleaning ring (116) is provided inside the second opening (114). The first cleaning ring (115) and the second cleaning ring (116) are used to clean the wires from the top and bottom.

10. A low-voltage power fault detection device according to claim 1, characterized in that: The inner sides of the first cleaning ring (115) and the second cleaning ring (116) are both equipped with brushes to clean the wires.