Portable electrical fault detection device
By designing a portable electrical fault detection device, the problem of inconvenience in narrow areas in existing technologies has been solved, the detection accuracy and anti-interference ability of the device have been improved, and the safety and practicality have been enhanced.
Patent Information
- Application Number
- CN202422713636.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-07
AI Technical Summary
Existing electrical fault detection devices are not convenient to extend into narrow places for real-time viewing, have low anti-interference ability and durability, and their safety and practicality need to be improved.
A portable electrical fault detection device has been designed, comprising a housing, a telescopic hose, and a detection head. The detection head is equipped with a camera and a detection probe, while the housing is equipped with an anti-interference plate and an insulating plate. It is also equipped with a safety warning component and a clamp, making it easy to carry and use.
It improves the accuracy of detection in narrow areas, enhances the ability to resist electromagnetic and electrostatic interference, ensures safety and stability, is easy to carry and operate, and enhances the practicality and safety of the device.
Smart Images

Figure CN223551811U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrical fault detection technology, and more specifically, to a portable electrical fault detection device. Background Technology
[0002] Electrical equipment is widely used in production, and electrical faults are inevitable. Troubleshooting electrical faults is a major challenge. Electrical maintenance personnel are the main technical force in addressing and resolving this prominent issue. Accurately locating faults in actual production applications and eliminating them to ensure the normal and stable operation of electrical equipment is the duty and responsibility of every maintenance worker. When detecting electrical faults, portable electrical fault detection devices can be used to improve detection efficiency.
[0003] Existing electrical fault detection devices are not convenient for real-time viewing and fault detection in narrow spaces. Their anti-interference capabilities and durability are low, and their safety and practicality need improvement. For example, utility model patent CN221007709U discloses an electrical fault detection device belonging to the field of electrical detection device technology. It includes a body, a housing, and a handheld component. The body includes an operating surface and a non-operating surface; the housing covers the non-operating surface; a mounting groove is provided on the outer wall of the housing; the handheld component is located within the mounting groove; the handheld component includes: a mounting member rotatably connected to the housing at one end, and a first handheld component and a second handheld component located at the other end of the mounting member; both the first and second handheld components have contact portions and non-contact portions. However, these devices are not convenient for real-time viewing and fault detection in narrow spaces, and their anti-interference capabilities and durability are also low. Utility Model Content
[0004] To overcome the problems of existing electrical fault detection devices being inconvenient to extend into narrow spaces for real-time viewing and detection, having low anti-interference capabilities and durability, and requiring improvement in safety and practicality, this utility model provides a portable electrical fault detection device, including a housing, a telescopic hose, and a detection head. An electrical fault detection component is housed inside the housing. The detection end of the electrical fault detection component is connected to the detection head via a wire. A telescopic hose is fitted over the wire between the detection head and the housing. A camera and a detection probe are positioned vertically at the end of the detection head furthest from the telescopic hose.
[0005] By aligning the detection head with the area to be tested, electrical faults can be detected using the detection probe. Simultaneously, a camera is installed on the detection head to capture images of the area to be tested, allowing staff to directly inspect narrow, hard-to-see areas. This greatly enhances the convenience for staff and improves the accuracy of electrical fault detection. The entire electrical fault detection device is simple to operate, easy to carry, and highly practical.
[0006] Preferably, a display is disposed in the middle of the housing, and the display is electrically connected to the camera and the detection probe through the electrical fault detection component.
[0007] Preferably, the housing is provided with a safety warning component, which includes a leakage current detection switch and an alarm. The alarm is installed on one side of the top of the housing, and the leakage current detection switch is installed at the connection between the telescopic hose and the housing. The detection end of the leakage current detection switch is located inside the housing.
[0008] The safety warning component allows the leakage detection switch to detect leakage in the wiring inside the casing and the telescopic hose. In case of leakage or other abnormal conditions, an alarm can be triggered, facilitating timely handling by staff and further improving the safety of the device.
[0009] Preferably, a storage compartment is provided on the top of the inner side of the outer casing, and a winding reel is provided inside the storage compartment.
[0010] Preferably, the inner wall of the outer casing is provided with an anti-interference plate, and the anti-interference plate is made of an electromagnetic interference resistant material.
[0011] Preferably, the inner wall of the anti-interference plate is provided with an insulating plate.
[0012] By installing an anti-interference plate on the casing of the electrical fault detection device, the ability to resist electromagnetic interference can be improved. At the same time, installing an insulating plate on the casing can improve the ability to resist electrostatic interference and prevent leakage and electric shock, making the device safer and more stable to use.
[0013] Preferably, the outer shell is provided with a reinforcing plate.
[0014] Preferably, the surface of the telescopic hose is provided with an insulating coating.
[0015] The telescopic flexible hose connecting the detection head and the outer shell of the detection device allows for easy adjustment of the detection head's probing position. The connecting wiring is housed and protected within the telescopic flexible hose and the outer shell, facilitating the smooth execution of the detection.
[0016] Preferably, the outer surface of the outer casing is provided with a number of tiny heat dissipation and ventilation holes.
[0017] Preferably, a clamping plate is installed on the back of the housing, and a clamping opening is formed between the clamping plate and the back of the housing.
[0018] The device is easy to carry and can be clamped and fixed to the worker's body thanks to the clamps and clamps.
[0019] Beneficial effects:
[0020] The beneficial effects of adopting the technical solution of this utility model are as follows:
[0021] (1) By aligning the detection head with the part to be tested, electrical faults can be detected in the part to be tested through the detection probe. At the same time, the detection head is equipped with a camera, which can capture the location to be tested, making it convenient for staff to directly explore narrow and difficult-to-see areas. This greatly facilitates the use of the device and improves the accuracy of electrical fault detection. The entire electrical fault detection device is simple to operate, easy to carry, and highly practical.
[0022] (2) By installing an anti-interference plate on the outer shell of the electrical fault detection device, the ability to resist electromagnetic interference can be improved. At the same time, an insulating plate on the outer shell can improve the ability to resist electrostatic interference and prevent leakage and electric shock, making the device safer and more stable to use.
[0023] (3) The probe position of the probe can be easily adjusted by the telescopic hose connecting the probe head and the housing of the probe device. The connected wiring is stored and protected inside the telescopic hose and the housing, which facilitates the smooth progress of the probe. Attached Figure Description
[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0025] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the portable electrical fault detection device of this utility model;
[0026] Figure 2 This is a schematic diagram of the connection structure on the front of the portable electrical fault detection device of this utility model.
[0027] Figure 3 This is a schematic diagram of the internal connection structure of the portable electrical fault detection device of this utility model;
[0028] Figure 4This is a schematic diagram of the internal structure of the outer shell of the portable electrical fault detection device of this utility model;
[0029] Figure 5 This is a side view of the portable electrical fault detection device of this utility model.
[0030] In the diagram: 1. Outer shell; 2. Telescopic flexible hose; 3. Detection head; 4. Camera; 5. Detection probe; 6. Display; 7. Leakage detection switch; 8. Alarm; 9. Electrical fault detection component; 10. Storage compartment; 11. Cable reel; 12. Reinforcing plate; 13. Anti-interference plate; 14. Insulating plate; 15. Clamping plate. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.
[0032] This embodiment, by aligning the detection head with the area to be tested, allows for electrical fault detection using a detection probe. Simultaneously, a camera is installed on the detection head to capture images of the area being tested, facilitating direct inspection of narrow, hard-to-see areas by operators. This greatly enhances the convenience of use and improves the accuracy of electrical fault detection. The entire electrical fault detection device is simple to operate, easy to carry, and highly practical. Specific implementation details are as follows:
[0033] like Figures 1 to 5As shown, a portable electrical fault detection device includes a housing 1, a flexible hose 2, and a detection head 3. An electrical fault detection component 9 is housed inside the housing 1. The detection end of the electrical fault detection component 9 is connected to the detection head 3 via a wire. The flexible hose 2 is sleeved around the wire connecting the detection head 3 and the housing 1. A camera 4 and a detection probe 5 are mounted vertically at the end of the detection head 3 furthest from the flexible hose 2. By aligning the detection head 3 with the area to be detected, electrical faults can be detected at that area using the detection probe 5. Simultaneously, the camera 4 on the detection head 3 can capture images of the area to be detected, facilitating direct inspection of narrow and difficult-to-see areas by operators. This greatly enhances the convenience of use and improves the accuracy of electrical fault detection. The entire electrical fault detection device is simple to operate, easy to carry, and highly practical.
[0034] A display 6 is located in the middle of the housing 1. The display 6 is electrically connected to the camera 4 and the detection probe 5 via the electrical fault detection component 9. The display 6 shows the detection status of the camera 4 and the electrical detection status of the detection probe 5 at the location to be detected. The electrical fault detection component 9 is a common structure, generally composed of multiple current and voltage sensors and a microcontroller. At the same time, a waveform display screen is also provided on the surface of the housing 1, which can display the waveforms of analog signals such as voltage, current, temperature, and pressure, as well as switch signals output by the microcontroller, thereby improving the detection effect for operators and facilitating the rapid troubleshooting of electrical faults.
[0035] The outer casing 1 is equipped with a safety warning component, which includes a leakage current detection switch 7 and an alarm 8. The alarm 8 is installed on one side of the top of the outer casing 1, and the leakage current detection switch 7 is installed at the connection between the flexible hose 2 and the outer casing 1. The detection end of the leakage current detection switch 7 is located inside the outer casing 1. Through the safety warning component, the leakage current detection switch 7 can detect leakage current in the wiring inside the outer casing 1 and the flexible hose 2. In case of leakage or other abnormal conditions, the alarm 8 can sound an alarm, facilitating timely handling by personnel and further improving the safety of the device.
[0036] The top of the inner side of the outer casing 1 is provided with a storage compartment 10, and a cable reel 11 is provided inside the storage compartment 10. The cable reel 11 and the storage compartment 10 can be used to store the connecting wires, which are easy to extend and retract.
[0037] An anti-interference plate 13 is provided on the inner wall of the outer casing 1. The anti-interference plate 13 is made of an electromagnetic interference resistant material. By providing the anti-interference plate 13 on the outer casing 1 of the electrical fault detection device, the ability to resist electromagnetic interference can be improved.
[0038] An insulating plate 14 is provided on the inner wall of the anti-interference plate 13. The insulating plate 14 provided on the outer shell 1 can improve the anti-static interference capability and avoid leakage current and electric shock, making the use of the device safer and more stable. The insulating plate 14 is made of epoxy resin insulating material.
[0039] The outer casing 1 is provided with a reinforcing plate 12. The reinforcing plate 12 can improve the external pressure resistance and strength of the outer casing 1, making it less prone to damage.
[0040] The surface of the telescopic hose 2 is coated with an insulating layer. By connecting the detection head 3 and the detection device housing 1 with the telescopic hose 2, the probing position of the detection head 3 can be easily adjusted. The connecting wires are housed and protected inside the telescopic hose 2 and the housing 1, which facilitates the smooth operation of the detection.
[0041] The outer surface of the outer casing 1 is provided with several tiny heat dissipation vents. These vents improve the heat dissipation capacity of the outer casing 1 and prevent overheating.
[0042] A clamping plate 15 is installed on the back of the outer casing 1, and a clamping opening is formed between the clamping plate 15 and the back of the outer casing 1. The clamping plate 15 and the clamping opening make it easy to carry the device and clamp it to the worker's body.
[0043] Working Principle: By aligning the detection head with the area to be tested, electrical faults can be detected using the detection probe. Simultaneously, a camera on the detection head can capture images of the area being tested, allowing staff to directly inspect narrow or hard-to-see areas, greatly improving the convenience of use and enhancing the accuracy of electrical fault detection. The entire electrical fault detection device is simple to operate, easy to carry, and highly practical. An anti-interference plate on the outer casing enhances its resistance to electromagnetic interference, while an insulating plate on the casing improves its resistance to electrostatic interference and prevents leakage and electric shock, making the device safer and more stable. A flexible telescopic hose connecting the detection head and the outer casing allows for easy adjustment of the detection head's position. The connecting wiring is stored and protected within the flexible hose and outer casing, facilitating smooth testing.
[0044] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A portable electrical fault detection device, characterized in that, The device includes a housing (1), a flexible hose (2), and a detection head (3). An electrical fault detection component (9) is installed inside the housing (1). The detection end of the electrical fault detection component (9) is connected to the detection head (3) via a wire. The flexible hose (2) is sleeved on the outside of the wire between the detection head (3) and the housing (1). A camera (4) and a detection probe (5) are installed at the top and bottom of the end of the detection head (3) away from the flexible hose (2).
2. The portable electrical fault detection device according to claim 1, characterized in that, A display (6) is provided in the middle of the housing (1), and the display (6) is electrically connected to the camera (4) and the detection probe (5) through the electrical fault detection component (9).
3. The portable electrical fault detection device according to claim 1, characterized in that, The outer casing (1) is provided with a safety warning component, which includes a leakage current detection switch (7) and an alarm (8). The alarm (8) is installed on one side of the top of the outer casing (1), and the leakage current detection switch (7) is installed at the connection between the telescopic hose (2) and the outer casing (1). The detection end of the leakage current detection switch (7) is located inside the outer casing (1).
4. The portable electrical fault detection device according to claim 1, characterized in that, The top of the inner side of the outer casing (1) is provided with a storage compartment (10), and a winding reel (11) is provided inside the storage compartment (10).
5. A portable electrical fault detection device according to claim 1, characterized in that, The inner wall of the outer shell (1) is provided with an anti-interference plate (13), and the anti-interference plate (13) is made of an anti-electromagnetic interference material.
6. A portable electrical fault detection device according to claim 5, characterized in that, An insulating plate (14) is provided on the inner wall of the anti-interference plate (13).
7. A portable electrical fault detection device according to claim 1, characterized in that, The outer shell (1) is provided with a reinforcing plate (12).
8. A portable electrical fault detection device according to claim 1, characterized in that, The surface of the telescopic hose (2) is provided with an insulating coating.
9. A portable electrical fault detection device according to claim 1, characterized in that, The outer surface of the outer shell (1) is provided with several tiny heat dissipation and ventilation holes.
10. A portable electrical fault detection device according to claim 1, characterized in that, A clamping plate (15) is installed on the back of the outer shell (1), and a clamping opening is formed between the clamping plate (15) and the back of the outer shell (1).
Citation Information
Patent Citations
Electrical fault detection device
CN221007709U