CN220455450U

CN220455450U - Cable fault testing device

Info

Publication number: CN220455450U
Application number: CN202322003150.5U
Authority: CN
Inventors: 黄梁英; 段玉杰; 杨三泉
Original assignee: Guangxi Dianyou Technology Development Co ltd
Current assignee: Guangxi Dianyou Technology Development Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-02-06
Anticipated expiration: 2033-07-27

Abstract

The utility model relates to the field of cable fault testing, in particular to a cable fault testing device, which comprises a cable fault tester body, an upper computer, a bracket, a coil, a driving device, a length measuring sensor, a first wireless communication module and a counting probe, wherein the first wireless communication module is connected with the counting probe; the cable fault tester body is internally provided with a cavity, one side of the cavity is provided with a wire hole, the wire coil is arranged on the support, the driving device is used for driving the wire coil to rotate, the length measuring sensor is located at the lower side of the wire hole, and the length measuring sensor and the first wireless communication module are respectively connected with the upper computer. The counting probe comprises a probe body, a lower computer arranged on the probe body, a first display screen and a second wireless communication module; the probe body is connected with one end of the coil, and the first display screen and the second wireless communication module are respectively connected with the lower computer. After obtaining the distance of the fault cable, an operator can obtain the position of the fault point of the cable by pulling the counting probe. Therefore, the path detection time can be shortened, and the efficiency of fault cable test is improved.

Description

Cable fault testing device

Technical Field

The utility model belongs to the field of cable fault testing, and particularly relates to a cable fault testing device.

Background

When a cable fails, such as an open-circuit fault, a short-circuit fault, a ground fault and the like, the cable fault is detected mainly through a cable fault tester, and after the predicted position of a fault test point is obtained, position detection is carried out through a cable fault fixed point instrument so as to obtain the fault position for maintenance. The specific detection process comprises the following steps: the cable fault detection method comprises the steps of connecting a fault cable by a high-voltage generator to enable the cable to be electrified, testing by a cable fault tester to obtain a cable fault point distance, and obtaining a cable path and a cable fault point position by a cable fault fixed point instrument, a detection device and an earphone. When the detection device and the earphone are adopted to detect the path and the fault point, firstly, the detection device is placed on the ground to receive the cable fault point discharge to generate electromagnetic field signals, and the fault point analyzer analyzes the signals, so that the path is obtained. And switching the detection mode of the fault location instrument after the path is obtained, collecting the sound signal, and sending the sound signal to the earphone for judgment and analysis, so that the cable fault position is obtained.

Further, in fault detection of some short-range cables, such as one to three kilometers of fault cable detection. After the cable fault distance is obtained through the test of the cable fault tester, for example, the cable fault position is at 99 meters, and a detector needs to judge the distance through subjectiveness. The detection may be started at the position of 50 meters of the cable, so that more time is required for detection, the detection time is too long, the detection efficiency is low, and therefore, the improvement of the short-distance detection test efficiency is a difficult problem that needs to be broken through in the field at present.

The foregoing background is only for the purpose of providing an understanding of the inventive concepts and technical aspects of the present utility model and is not necessarily prior art to the present application and is not intended to be used to evaluate the novelty and creativity of the present application in the event that no clear evidence indicates that such is already disclosed at the filing date of the present application.

Disclosure of Invention

The utility model aims to provide a cable fault testing device, which can overcome the defects of overlong detection time and lower detection efficiency caused by subjective distance judgment of detection personnel in fault detection of a short-distance cable.

In order to achieve the above object, the present utility model provides a cable fault testing device, including a cable fault tester body, wherein a cavity is formed in the cable fault tester body, and the cable fault testing device further includes: the device comprises an upper computer, a bracket, a coil, a driving device, a length measuring sensor, a first wireless communication module and a counting probe;

a wire hole is formed in one side of the cavity, the bracket is arranged in the cavity, the wire coil is arranged on the bracket, the driving device is used for driving the wire coil to rotate, one end of the wire coil extends out of the wire hole, the induction probe of the length measuring sensor is positioned at the lower side of the wire hole to sense the wire outlet length, and the length measuring sensor and the first wireless communication module are respectively connected with the upper computer;

the counting probe comprises a probe body, a lower computer arranged on the probe body, a first display screen and a second wireless communication module; the probe body is connected with one end of the coil, and the first display screen and the second wireless communication module are respectively connected with the lower computer.

Preferably, in the above technical solution, the coil includes a wire bundle, a wire frame and a wire frame shaft, the wire bundle is wound on the wire frame, one end of the wire frame shaft is fixed on the wire frame, and the other end of the wire frame shaft is arranged on the bracket through a bearing seat.

Preferably, in the above technical solution, the driving device is a motor, and the motor is disposed on the bracket.

Preferably, in the above technical solution, the rotating shaft of the motor is provided with a first gear, the end of the bobbin shaft is provided with a second gear, and the first gear is meshed with the second gear.

Preferably, in the above technical solution, the device further includes a first clear button, a first start button, and a first switch button, where the first clear button, the first start button, and the first switch button are respectively connected with the lower computer.

Preferably, in the above technical scheme, the probe further comprises a storage battery, wherein the storage battery is detachably arranged on the probe body, and the storage battery is connected with the lower computer.

Preferably, in the above technical solution, the device further includes a second clear button, a second start button, and a second switch button, where the second clear button, the second start button, and the second switch button are respectively connected with the upper computer.

Preferably, in the above technical solution, the device further includes a wire-rewinding button, and the wire-rewinding button is connected with the upper computer.

Preferably, in the above technical solution, the display further includes a second display screen, and the second display screen is connected with the upper computer.

Preferably, in the above technical scheme, the probe further comprises a connector, the probe body is provided with an interface, a first connection end of the connector is connected with one end of the coil, the first connection end can be inserted into the coil hole, a second connection end of the connector is connected with the interface in a detachable mode, and the interface is connected with the lower computer.

Compared with the prior art, the utility model has the following beneficial effects:

1. in the utility model, when the cable fault tester completes cable fault analysis to obtain a cable fault position, the upper computer and the counting probe can be started at the moment, the counting probe is pulled to pull the coil to move along a cable path, and meanwhile, the length measuring sensor sends the length of the pulled wire bundle to the counting probe in real time, so that an operator can obtain the position of the fault cable through the counting probe. When moving to the approximate location of the cable fault, then path detection of the cable fault and fault point detection may be performed. Therefore, the path detection time can be shortened, and the efficiency of fault cable test is improved.

2. When the cable path fault detection is completed, the driving device can drive the coil to automatically take up, so that the take-up efficiency is improved.

3. The connection between the counting probe and the coil is in a detachable mode, so that the counting probe is easier to store and is not easy to be damaged or lost when not used.

Drawings

Fig. 1 is a structural view of a cable fault testing device of the present utility model.

Fig. 2 is a cross-sectional view of the utility cable fault testing device.

Fig. 3 is a partial enlarged view of the utility counting probe.

Fig. 4 is a schematic circuit diagram of the cable fault test device.

In the figure: 1-cable fault tester body, 11-wire hole, 2-cavity, 3-support, 4-wire reel, 41-wire frame, 42-wire frame axle, 43-wire bundle, 5-motor, 6-first gear, 7-second gear, 8-length measuring sensor, 9-second switch button, 10-wire winding button, 12-second start button, 13-second clear button, 14-count probe, 141-probe body, 142-first switch button, 143-first start button, 144-first clear button, 145-first display screen, 15-second display screen, 16-connector, 17-upper computer, 18-first wireless communication module, 19-second wireless communication module, 20-lower computer, 21-battery.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Referring to fig. 1 to 4, the cable fault testing device in the present embodiment includes a cable fault tester body 1, an upper computer 17, a bracket 3, a coil 4, a driving device, a length measuring sensor 8, a first wireless communication module 18, a counting probe 14, a wire winding button 10, a second display screen 15, a second clear button 13, a second start button 12, and a second switch button 9. It should be noted that, the cable fault tester body 1 is an existing cable fault tester, and in this embodiment, the existing cable fault tester is further improved, so the structure and function of the cable fault tester body are not described in detail in this embodiment.

With continued reference to fig. 1 and 2, the cable fault tester body 1 is internally provided with a cavity 2, preferably arranged at the bottom of the cable fault tester body 1. A wire hole 11 is provided on one side of the cavity 2, the wire hole 11 is preferably a vertically arranged elongated hole, and the width of the elongated hole is preferably slightly wider than the wire width of the wire of the coil. The support 3 is arranged at the bottom of the cavity 2, the coil 4 is arranged on the surface of the support 3, and the driving device is used for driving the coil 4 to rotate. Specifically, the driving device is a motor 5, the coil 4 includes a wire bundle 43, a wire frame 41, and a wire frame shaft 42, the wire bundle 43 is wound on the wire frame 41, one end of the wire frame shaft 42 is fixed to the wire frame 41, and the other end is provided on the bracket 3 through a bearing block. The motor 5 is arranged at the bottom of the bracket 3. The rotating shaft of the motor 5 is provided with a first gear 6, the end part of the wire frame shaft 42 is provided with a second gear 7, the first gear 6 is meshed with the second gear 7, and one end of the wire coil 4 extends to the wire outlet hole 11. When the motor 5 is not started, one end of the bundle on the coil is pulled, and the wire holder 41 is released by the motor 5 along with the rotation of the wire holder shaft 42.

With continued reference to fig. 1 and 4, the sensing probe of the length measuring sensor 8 is located at the lower side of the wire hole 11 to sense the wire outgoing length, and the length measuring sensor 8, the first wireless communication module 18, the wire receiving button 10, the second display screen 15, the second clear button 13 and the second start button 12 are respectively connected with the upper computer 17. In this embodiment, the length measuring sensor 8 may be a length measuring sensor of the model MSE-V800, and the host computer 17 may preferably be a chip of the model DSP or STM32, but the embodiment is not limited thereto. When the intelligent automatic wire-outgoing device is used, the second switch button is pressed to start 9, the second start button 12 is pressed to start measurement, the wire-outgoing length is acquired by the length measuring sensor 8 and is sent to the upper computer 17, the upper computer 17 controls the second display screen 15 to display the wire-outgoing length in real time, and when the counting length of the second display screen 15 needs to be cleared, the counting of the wire-outgoing length can be reset and cleared by pressing the second clear button 13. When the wire take-up button 10 is pressed, the motor 5 rotates the wire holder shaft 42 through the gear, so that the wire of the wire bundle 43 is wound and accommodated on the wire holder 41 rapidly.

With continued reference to fig. 1, 3 and 4, the counting probe 14 includes a probe body 141 and a lower computer 20, a first display 145, a first clear button 144, a first start button 143, a first switch button 142, a battery 21 and a second wireless communication module 19 provided on the probe body 141. The probe body 141 is connected to one end of the coil 4, and the first display 145, the second wireless communication module 19, the first clear button 144, the first start button 143, and the battery 21 are connected to the lower computer 20, respectively. The lower computer 20 may preferably be any chip having a model number of DSP or STM32, but the present embodiment is not limited thereto. The first wireless communication module 18 and the second wireless communication module 19 are preferably GPRS communication modules, but the embodiment is not limited thereto. In this embodiment, the battery 21 is preferably detachably disposed on the probe body 141, and the battery 21 is connected to the lower computer 20, thereby facilitating replacement of the battery 21. When the wireless communication device is used, the first switch button 142 is pressed to start, and the lower computer 20 performs pairing communication with the upper computer 17 through the second wireless communication module 19 and the first wireless communication module 18. Then, the first start button 143 is pressed down, the lower computer 20 can signal the upper computer 17 through the first and second wireless communication modules, the upper computer 17 starts to control the length measuring sensor 8 to measure after receiving the signals, the measured length upper computer 17 signals the lower computer 20 through the first and second wireless communication modules, and the lower computer 20 displays through the first display screen 145, so that an operator pulling the coil can obtain the moving length position in real time.

When the operation is carried out, the high-voltage generator and the cable fault tester body are connected with the fault cable, high voltage is supplied to the fault cable through the high-voltage generator, and the cable fault tester body is operated to measure the fault point distance of the fault cable, and if the measured fault point distance is 99 meters. Then, the second switch button 9 at the cable fault tester body 1 is pressed to start the upper computer 17, then the first switch button 142 of the counting probe 14 is pressed, at this time, the first wireless communication module 18 and the second wireless communication module 19 are in wireless pairing connection, after the communication connection is completed, whether the first display screen 145 of the counting probe 14 is displayed as zero or not is observed, and if not, the first zero clearing button 144 can be pressed to clear the count. The first start button 143 of the counting probe 14 is then pressed to start the measurement count. When an operator pulls the counting probe 14 to pull the coil along the cable path, the length measuring sensor 8 sends the length of the pulled wire bundle to the upper computer 17 in real time, the upper computer 17 sends the measured length to the lower computer 20 through the first wireless communication module and the second wireless communication module, the lower computer 20 displays the measured length through the first display screen 145 of the counting probe 14, and the operator can acquire the length of the pulled wire bundle in real time. When the pulled wire reaches 90 meters along the cable path, the pulling of the coil can be stopped when the distance between the pulled wire and the cable fault point is reached, a certain error distance is reserved, and then the accurate cable fault point position can be obtained through the cooperation detection of the cable fault point-fixing instrument, the probe and the earphone.

With continued reference to fig. 1 and 3, this embodiment further introduces a connector 16 and an interface matched with the connector 16, specifically, the probe body 141 is provided with an interface, a first connection end of the connector 16 is connected with one end of the coil, the first connection end of the connector 16 can be inserted on the wire hole, and the first connection end is provided with a clamping block capable of propping against two sides of the wire hole. The second connection end of the connector 16 is detachably connected, such as plugged, to the interface. When an operator operates, the connector 16 is inserted into the connector to complete connection, and then the counting probe is pulled to pull the coil 4 for paying out.

In summary, in the fault cable short-distance fault detection, an operator can obtain the position of the fault cable through the counting probe. When moving close to the approximate location of the cable fault, then path detection of the cable fault and fault point detection may be performed. Therefore, the path detection time can be shortened, and the efficiency of fault cable test is improved.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. The utility model provides a cable fault testing arrangement, includes cable fault tester body, the cavity has been seted up to cable fault tester body inside, its characterized in that still includes: the device comprises an upper computer, a bracket, a coil, a driving device, a length measuring sensor, a first wireless communication module and a counting probe;

2. The cable fault testing device according to claim 1, wherein the coil comprises a bundle of wires, a wire frame and a wire frame shaft, the bundle of wires is wound on the wire frame, one end of the wire frame shaft is fixed on the wire frame, and the other end of the wire frame shaft is arranged on the bracket through a bearing seat.

3. The cable fault testing device of claim 2, wherein the drive device is a motor, the motor being disposed on the support.

4. A cable fault testing device according to claim 3, wherein the shaft of the motor is provided with a first gear, the end of the bobbin shaft is provided with a second gear, and the first gear is meshed with the second gear.

5. The cable fault testing device of claim 1, further comprising a first clear button, a first start button, and a first switch button, wherein the first clear button, the first start button, and the first switch button are respectively connected with the lower computer.

6. The cable fault testing device of claim 1, further comprising a battery detachably disposed on the probe body, the battery being connected to the lower computer.

7. The cable fault testing device of claim 1, further comprising a second clear button, a second start button, and a second switch button, wherein the second clear button, the second start button, and the second switch button are respectively connected with the host computer.

8. The cable fault testing device of claim 1, further comprising a take-up button, the take-up button being connected to the host computer.

9. The cable fault testing device of claim 1, further comprising a second display screen, wherein the second display screen is connected to the host computer.

10. The cable fault testing device according to claim 1, further comprising a connector, wherein the probe body is provided with an interface, a first connection end of the connector is connected with one end of the coil, the first connection end can be inserted into the coil hole, a second connection end of the connector is connected with the interface in a detachable manner, and the interface is connected with the lower computer.