Cable path identification instrument
By adopting a variety of filtering technologies and anti-interference capabilities in the cable path detector, the problem of induction sensitivity and accuracy in the prior art is solved, and accurate cable path and depth measurement is achieved.
Patent Information
- Application Number
- CN202422073381.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-26
AI Technical Summary
In terms of induction sensitivity and accuracy, existing cable path detectors are affected by factors such as the properties of underground dielectrics, cable burial depth and electromagnetic interference, and the cable depth cannot be accurately measured.
A cable path identification instrument is adopted that includes a receiver body, a flexible current clamp body, a stethoscope body, a transmitter body, a transmitter body, a transmitter body and an A-frame body. Through a variety of filtering technologies and anti-interference capabilities, precise positioning and depth measurement are achieved.
In the absence of excavation, the path and depth of metal pipelines and underground cables can be accurately detected, and is suitable for testing purposes in pipeline management, maintenance, municipal planning and power supply departments.
Smart Images
Figure CN222979806U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable path detectors, in particular to a cable path identifier. Background Art
[0002] The basic principle of a cable path detector is to use a detection coil to sense the electromagnetic field caused by the alternating current loaded on the cable to be measured. When performing path detection, it is necessary to use a signal generator to transmit an audio signal to the cable and use a host to receive it.
[0003] The cable path identifier mainly works based on the principle of electromagnetic induction. It senses the electromagnetic field caused by the alternating current loaded on the cable to be measured through a detection coil. However, the sensitivity and accuracy of electromagnetic induction may be affected by various factors, such as the properties of underground media, the burial depth of the cable, electromagnetic interference in the surrounding environment, etc. At the same time, the depth of the cable cannot be accurately detected during the detection process. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is that in the prior art, the sensitivity and accuracy of electromagnetic induction may be affected by various factors, such as the properties of underground media, the burial depth of the cable, electromagnetic interference in the surrounding environment, etc. At the same time, the depth of the cable cannot be accurately detected during the detection process. For this reason, we propose a cable path identifier.
[0005] In order to achieve the above purpose, the present application adopts the following technical solution: A cable path identifier, including a receiver body, a flexible current clamp body, a stethoscope body, a transmitter body, a transmitting clamp body, and an A-frame body. One side of the receiver body is fixedly connected with a transmitter operation handle. The top of the transmitter operation handle is provided with receiver operation keys. The top of the transmitter operation handle is provided with a liquid crystal display screen. The bottom of the transmitter operation handle is provided with a gain adjustment knob. One side of the receiver body is provided with a current clamp interface. One side of the receiver body is provided with a receiver charging port. One side of the receiver body is provided with a voltage side-view output jack. One side of the receiver body is provided with a grounding resistance test jack. One side of the receiver body is provided with a lighting lamp.
[0006] Preferably, two flexible current clamp pressing locks are installed on the surface of the flexible current clamp body. The bottom of the flexible current clamp body is provided with a flexible current clamp output lead. The other end of the flexible current clamp output lead is provided with a flexible current clamp output port.
[0007] Preferably, the bottom of the stethoscope body is provided with a stethoscope output line. The stethoscope body is electrically connected to the receiver body through the stethoscope output line.
[0008] Preferably, an insulation resistance test jack, a coupling caliper connection socket, a direct connection method output socket, a USB jack, a DC charging port, an LCD transmitter, a transmitter turntable, and transmitter operation buttons are installed inside the transmitter body.
[0009] Preferably, two transmitter clamp triggers are installed at the bottom of the transmitter clamp body. A transmitter clamp output lead is installed at the bottom of the transmitter clamp trigger, and a transmitter clamp output port is installed at the other end of the transmitter clamp output lead.
[0010] Preferably, an A-frame connection lead is installed on one side of the A-frame body, and an A-frame exploration plate or an A-frame probe is installed at the bottom of the A-frame body.
[0011] Preferably, the receiver body and the flexible current clamp body are connected by telecommunications through the flexible current clamp output port and the current clamp interface. The receiver body and the A-frame body are connected by telecommunications through the A-frame connection lead and the current clamp interface.
[0012] The technical effects and advantages of the present utility model:
[0013] In the present utility model, through the coordinated use of the receiver body, the flexible current clamp body, the stethoscope body, the transmitter body, the transmitter clamp body, and the A-frame body, it can be used for path detection, pipeline census, and depth measurement of metal pipelines and underground cables without excavation. The instrument uses a variety of filtering technologies and has strong anti-interference ability. It can accurately locate and measure depth, and is suitable for the detection and line inspection of various underground metal pipelines, pipeline management and maintenance, municipal planning and construction, power supply and other departments' pipeline detection and other uses. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the receiver of the present utility model;
[0015] Figure 2 It is a schematic diagram of the flexible current clamp of the present utility model;
[0016] Figure 3 It is a schematic diagram of the stethoscope of the present utility model;
[0017] Figure 4 It is a schematic diagram of the transmitter of the present utility model;
[0018] Figure 5 It is a schematic diagram of the transmitter clamp of the present utility model;
[0019] Figure 6Schematic diagram of the A-frame of the present utility model.
[0020] Legend: 1. Receiver operation button; 2. Liquid crystal display screen; 3. Gain adjustment knob; 4. Current clamp interface; 5. Receiver charging port; 6. Voltage side view output jack; 7. Grounding resistance test jack; 8. Lighting lamp; 9. Flexible current clamp body; 10. Flexible current clamp pressing lock; 11. Flexible current clamp output port; 12. Flexible current clamp output lead; 13. Stethoscope output line; 14. Stethoscope body; 15. Transmitter body; 16. Insulation resistance test jack; 17. Coupling clamp connection socket; 18. Direct connection method output socket; 19. USB jack; 20. DC charging port; 21. LCD transmission; 22. Transmitter turntable; 23. Transmitter operation button; 24. Transmitter clamp output port; 25. Transmitter clamp output lead; 26. Transmitter clamp trigger; 27. A-frame body; 28. A-frame detection plate; 29. A-frame probe; 30. Receiver body; 31. Transmitter clamp body; 32. Transmitter operation handle; 33. A-frame connection lead. Detailed implementation manners
[0021] Now, the present utility model will be further described in detail with reference to the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.
[0022] Refer to Figures 1-6As shown in the figure, the utility model provides a technical solution: a cable path identifier, which includes a receiver body 30, a flexible current clamp body 9, a stethoscope body 14, a transmitter body 15, a transmitting clamp body 31, and an A-frame body 27. One side of the receiver body 30 is fixedly connected with a transmitter operation handle 32. The top of the transmitter operation handle 32 is equipped with a receiver operation button 1. The top of the transmitter operation handle 32 is equipped with a liquid crystal display screen 2. The bottom of the transmitter operation handle 32 is equipped with a gain adjustment knob 3. One side of the receiver body 30 is equipped with a current clamp interface 4. One side of the receiver body 30 is equipped with a receiver charging port 5. One side of the receiver body 30 is equipped with a voltage side view output jack 6. One side of the receiver body 30 is equipped with a ground resistance test jack 7. One side of the receiver body 30 is equipped with a lighting lamp 8. The receiver body 30 and the flexible current clamp body 9 are connected by a flexible current clamp output port 11 and the current clamp interface 4 for telecommunication connection. The receiver body 30 and the A-frame body 27 are connected by an A-frame connection lead 33 and the current clamp interface 4 for telecommunication connection. Through the coordinated use of the receiver body 30, the flexible current clamp body 9, the stethoscope body 14, the transmitter body 15, the transmitting clamp body 31, and the A-frame body 27, it can be used for the path detection, pipeline census, and depth measurement of metal pipelines and underground cables without excavation. The instrument uses a variety of filtering technologies and has a certain anti-interference ability, can accurately locate and measure the depth, and is suitable for the detection and line inspection of various underground metal pipelines, pipeline management and maintenance, municipal planning and construction, power supply and other departments for pipeline detection and other purposes.
[0023] Refer to Figure 2 As shown in the figure, in this implementation scheme: two flexible current clamp pressing locks 10 are installed on the surface of the flexible current clamp body 9. The bottom of the flexible current clamp body 9 is equipped with a flexible current clamp output lead 12. The other end of the flexible current clamp output lead 12 is equipped with a flexible current clamp output port 11. The flexible current clamp body 9 can quickly capture the pulse coded current signal emitted by the transmitter body 15. This fast response ability ensures the accurate capture and identification of signals even when facing thick cables or conductors with irregular shapes during the cable identification process.
[0024] Refer to Figure 3As shown in the figure, in this embodiment: the stethoscope output line 13 is installed at the bottom of the stethoscope body 14. The stethoscope body 14 is connected to the receiver body 30 through the stethoscope output line 13. By connecting the stethoscope body 14 to the receiver body 30, through the wireless electromagnetic wave induction test technology, interference signals can be shielded to ensure the accuracy of the test, enabling the stethoscope body 14 to work stably in a complex electromagnetic environment and providing reliable test results. At the same time, the design of the stethoscope body 14 is similar to that of a mouse, with an arc-shaped sensor that can fully fit the surface of the cable. When in use, just press the stethoscope body 14 tightly against the cable under test, and the operation is simple and fast.
[0025] Refer to Figure 4 As shown in the figure, in this embodiment: an insulation resistance test jack 16 is installed inside the transmitter body 15, a coupling caliper connection socket 17 is installed inside the transmitter body 15, a direct connection method output socket 18 is installed inside the transmitter body 15, a USB jack 19 is installed inside the transmitter body 15, a DC charging port 20 is installed inside the transmitter body 15, an LCD transmitter 21 is installed inside the transmitter body 15, a transmitter turntable 22 is installed inside the transmitter body 15, and a transmitter operation button 23 is installed inside the transmitter body 15. The transmitter body 15 is used for pipeline path detection, cable identification, and insulation resistance testing. The device can add identification signals to the target cable through methods such as direct connection output, caliper coupling, and induction method. There are 12 different pulse signals available for selection, namely 577HZ, 640Hz, 1280Hz, 2.56kHz, 3.20kHz, 4.09kHz, 8.19kHz, 10kHz, 33kHz, 66kHz, 82kHz, and 201kHz. The maximum signal output power is 10W, with 10 adjustable gears to adapt to different application environments, making pipeline detection and cable identification more accurate and reliable. The instrument is built-in with a large-power rechargeable lithium battery, with automatic impedance matching and full-automatic protection. The transmitter adopts an integrated dedicated toolbox design, and its box can withstand a pressure of about 200 kg. The host has a 5.4-inch color LCD liquid crystal display, which can display the signal output status and battery usage in real time and dynamically.
[0026] Refer to Figure 5As shown in the figure, in this embodiment: Two transmitter pliers triggers 26 are installed at the bottom of the transmitter pliers body 31. A transmitter pliers output lead 25 is installed at the bottom of the transmitter pliers trigger 26. The other end of the transmitter pliers output lead 25 is installed with a transmitter pliers output port 24. The transmitter pliers body 31 is connected to the transmitter body 15 through the transmitter pliers output port 24. When the transmitter pliers body 31 couples signals, it usually has a clear directionality. The signal will flow into the cable from a specific direction of the transmitter pliers body 31 and be transmitted along a specific direction of the cable, which helps to more accurately identify the target cable in the subsequent signal receiving and analyzing processes. The transmitter pliers body 31 also has a certain anti-interference ability. In a complex electromagnetic environment, the transmitter pliers body 31 can effectively shield external interference signals to ensure that the identification signal of the target cable will not be interfered or confused by other signals.
[0027] Refer to Figure 6 As shown in the figure, in this embodiment: An A-frame connecting lead 33 is installed on one side of the A-frame body 27. An A-frame detector 28 or an A-frame probe 29 is installed at the bottom of the A-frame body 27. After the user connects the A-frame body 27 to the receiver body 30, the ground insulation break point of the pipeline can be located, such as cable sheath faults, unarmored cable grounding faults, pipeline anti-corrosion layer breakage, etc. It uses the method of step voltage location to intuitively indicate the direction of the fault point. After the location is completed, the A-frame detector 28 or the A-frame probe 29 can be switched according to the hardness of the ground at the break point to fix the A-frame body 27 to the break point for marking, helping technicians quickly locate the fault location.
[0028] Working principle: Through the coordinated use of the receiver body 30, flexible current clamp body 9, stethoscope body 14, transmitter body 15, transmitting clamp body 31 and A-frame body 27, it can be used for path detection, pipeline census and depth measurement of metal pipelines and underground cables without excavation. The instrument uses a variety of filtering technologies and has a certain anti-interference ability, can accurately locate and measure depth, and is suitable for the detection and line inspection of various underground metal pipelines, pipeline management and maintenance, municipal planning and construction, pipeline detection in departments such as power supply, etc. The flexible current clamp body 9 can quickly capture the pulse-coded current signal emitted by the transmitter body 15. This fast response ability enables accurate signal capture and identification even when faced with thick cables or conductors with irregular shapes during cable identification. By connecting the stethoscope body 14 to the receiver body 30 and using wireless electromagnetic wave induction testing technology, interference signals can be shielded to ensure the accuracy of the test.This technology enables the stethoscope body 14 to work stably in a complex electromagnetic environment, providing reliable test results. At the same time, the design of the stethoscope body 14 is similar to that of a mouse, with an arc-shaped sensor that can fully conform to the surface of the cable. When in use, simply press the stethoscope body 14 tightly against the cable under test, and the operation is simple and fast. The transmitter body 15 is used for pipeline path detection, cable identification, and insulation resistance testing. This device can apply an identification signal to the target cable through methods such as direct connection output, clamp coupling, and induction method. There are 12 different pulse signals available for selection, namely 577HZ, 640Hz, 1280Hz, 2.56kHz, 3.20kHz, 4.09kHz, 8.19kHz, 10kHz, 33kHz, 66kHz, 82kHz, and 201kHz. The signal output power is up to 10W and is adjustable in 10 gears to adapt to different application environments, making pipeline detection and cable identification more accurate and reliable. The instrument is built-in with a large-capacity rechargeable lithium battery, with automatic impedance matching and full-automatic protection. The transmitter adopts an integrated special toolbox design, and its box can withstand a pressure of about 200 kg. The host has a 5.4-inch color LCD liquid crystal display, which can dynamically display the signal output status and battery usage in real time. The transmitter clamp body 31 is connected to the transmitter body 15 through the transmitter clamp output port 24. When the transmitter clamp body 31 couples the signal, it usually has a clear directionality. The signal will flow into the cable from a specific direction of the transmitter clamp body 31 and be transmitted along a specific direction of the cable, which helps to more accurately identify the target cable in the subsequent signal reception and analysis process. The transmitter clamp body 31 also has a certain anti-interference ability. In a complex electromagnetic environment, the transmitter clamp body 31 can effectively shield external interference signals to ensure that the identification signal of the target cable will not be interfered or confused by other signals. After connecting the A-frame body 27 to the receiver body 30, the ground insulation break point of the pipeline can be located, such as cable sheath faults, unarmored cable grounding faults, pipeline anticorrosion layer breakage, etc. It uses the method of step voltage positioning to intuitively indicate the direction of the fault point. After the positioning is completed, the A-frame probe plate 28 or the A-frame probe 29 can be switched according to the hardness of the ground at the break point to fix the A-frame body 27 to the break point for marking, helping technicians quickly locate the fault position.
[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A cable path identification instrument, comprising a receiver body (30), a flexible current clamp body (9), a stethoscope body (14), a transmitter body (15), a transmitting clamp body (31) and an A-frame body (27), characterized in that: A transmitter operating handle (32) is fixedly connected to one side of the receiver body (30); a receiver operating button (1) is installed on the top of the transmitter operating handle (32); a liquid crystal display (2) is installed on the top of the transmitter operating handle (32); a gain adjustment knob (3) is installed on the bottom of the transmitter operating handle (32); a current clamp interface (4) is installed on one side of the receiver body (30); a receiver charging port (5) is installed on one side of the receiver body (30); a voltage side view output jack (6) is installed on one side of the receiver body (30); a ground resistance test jack (7) is installed on one side of the receiver body (30); and a lighting lamp (8) is installed on one side of the receiver body (30).
2. The cable path identification device according to claim 1, characterized in that: Two flexible current clamp push lock buckles (10) are installed on the surface of the flexible current clamp body (9), a flexible current clamp output lead (12) is installed at the bottom of the flexible current clamp body (9), and a flexible current clamp output port (11) is installed at the other end of the flexible current clamp output lead (12).
3. The cable path identification device according to claim 1, characterized in that: A stethoscope output line (13) is installed at the bottom of the stethoscope body (14), and the stethoscope body (14) is connected to the receiver body (30) via the stethoscope output line (13).
4. The cable path identification device according to claim 1, characterized in that: The transmitter body (15) is provided with an insulation resistance test socket (16), a coupling caliper connection socket (17), a direct connection method output socket (18), a USB socket (19), a DC charging port (20), an LCD transmitter (21), a transmitter turntable (22), and a transmitter operation button (23).
5. The cable path identification device according to claim 1, characterized in that: Two transmitter clamp triggers (26) are installed at the bottom of the transmitter clamp body (31), a transmitter clamp output lead (25) is installed at the bottom of the transmitter clamp trigger (26), and a transmitter clamp output port (24) is installed at the other end of the transmitter clamp output lead (25).
6. The cable path identification device according to claim 1, characterized in that: An A-frame connecting lead (33) is installed on one side of the A-frame body (27), and an A-frame detection disc (28) or an A-frame probe (29) is installed on the bottom of the A-frame body (27).
7. The cable path identification device according to claim 1, characterized in that: The receiver body (30) and the flexible current clamp body (9) are connected to the current clamp interface (4) via the flexible current clamp output port (11), and the receiver body (30) and the A-frame body (27) are connected to the current clamp interface (4) via the A-frame connecting lead (33).