Cable fault locator testing device and testing method

Abstract

The invention belongs to the technical field of simulation testing, and discloses a testing device and a testing method for a cable fault locator. The cable fault locator testing device comprises an experiment pool, partition plates, a moving assembly and a temperature assembly, the partition plates are detachably arranged in the experiment pool, the multiple partition plates are arranged in the experiment pool at intervals in the first direction, and the multiple partition plates sequentially divide the experiment pool into an activity area, a first filling area, a second filling area, a third filling area and a cable placement area in the first direction; the distance between the partition plates is adjustable; the moving assembly is arranged in the movable area and can drive the fault locator to move in the second direction, and the second direction is perpendicular to the first direction. The temperature assembly comprises a gas conveying pipe, the gas conveying pipe penetrates through the partition plate in the first direction from the end, close to the cable placement area, of the experiment pool and extends to the activity area, a plurality of exhaust holes are formed in the gas conveying pipe, and the gas conveying pipe can selectively convey gas of different temperatures into the experiment pool so as to change the temperature in the experiment pool; and the test efficiency, data accuracy and simplicity are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of simulation testing, and in particular to a cable fault locator testing device and a testing method. Background Art

[0002] The cable fault locator is a device specially used to detect and locate fault points in underground cables or wire networks. When a cable has a short circuit, open circuit, insulation damage or other types of faults, this instrument can help technicians quickly and accurately find the specific location of the fault for repair. The cable fault locator based on the synchronous analysis of acoustic waves and magnetic fields uses a specially structured acoustic vibration sensor module and low-noise dedicated devices for preamplification. Through the control, filtering, amplification, and collection of the acoustic and magnetic two-channel signals, the intensity information, location information, phase information, etc. of the acoustic and magnetic signals when the fault point is discharged are displayed in digital and graphical form, thereby greatly improving the sensitivity of the instrument's positioning and path detection.

[0003] The main structure of the cable fault locator includes a receiver and a probe. When a cable fault occurs, such as a short circuit or an open circuit, the test signal sent from one end of the cable will be reflected back to the transmitter at the fault point. The reflected signal is received and the time delay of the reflected signal is measured, and the distance between the fault point and the test end can be calculated. At present, cable fault locators need to undergo a series of rigorous tests before leaving the factory to ensure their performance and reliability.

[0004] In the prior art, when testing the accuracy of a cable fault locator, a faulty cable is generally pre-buried under the soil at a certain depth in a laboratory. After the cable fault locator is assembled, it is tested by continuously moving along the cable burying path. The cable fault locator can directly display the distance from the cable fault point to the fault locator after receiving data processing, and then calculate the distance between the cable fault point and the fault locator according to the formula based on the actual measured data. The test data of the cable fault locator is compared with the manually measured data to determine the test accuracy of the cable fault locator for the cable fault point.

[0005] This traditional test device also has the following defects: 1. During the entire test process, the test operation steps are many and cumbersome, which is not suitable for the test and use of large quantities of cable fault locators; 2. The test parameters of the cable fault locator are fixed and difficult to adjust; for example: during the test process, the faulty cable needs to be buried under the soil, and the depth of the soil layer is difficult to change, so only the test effect of the cable fault point at a single soil depth can be measured; 3. The test variables are single, and it is impossible to perform simulated measurements based on the actual situation of cable burial; for example: soil, gravel, and even groundwater may be buried above the cable, and the surrounding ambient temperature may also affect the cable test. Therefore, simply burying the cable in the soil for measurement will cause a certain deviation between the cable test data and the actual test data during use, thereby affecting the accuracy of the subsequent cable fault locator in locating the cable fault point. Summary of the invention

[0006] The purpose of the present invention is to provide a cable fault locator testing device and testing method to solve the problems of cumbersome testing steps and single testing parameters and test variables of the cable fault locator in the prior art, thereby improving the efficiency of the cable fault locator testing and improving the accuracy of the cable fault locator testing.

[0007] To achieve this object, the present invention adopts the following technical solutions:

[0008] On the one hand, a cable fault locator test device is provided, comprising:

[0009] Experimental pool;

[0010] A partition, wherein the partition is detachably arranged in the experimental pool, and a plurality of the partitions are arranged in the experimental pool along a first direction, and the plurality of the partitions sequentially divide the experimental pool into an activity area, a first filling area, a second filling area, a third filling area, and a cable placement area along the first direction, and the spacing between the partitions is adjustable;

[0011] A moving component, the moving component is arranged in the activity area and can drive the fault locator to move along a second direction, the second direction being perpendicular to the first direction;

[0012] A temperature component, wherein the temperature component comprises an air pipe, wherein the air pipe passes through the partition along the first direction and extends to the activity area from one end of the experimental pool close to the cable placement area, wherein a plurality of exhaust holes are arranged on the air pipe, and the air pipe can selectively transport gases of different temperatures into the experimental pool to change the temperature in the experimental pool.

[0013] As an optional technical solution for the cable fault locator test device, the temperature component also includes a transfer box, a three-way ball valve, a heater and a refrigerator. The gas pipe is connected to the transfer box, and the three-way ball valve is respectively connected to the transfer box, the heater and the refrigerator. The transfer box is configured to be selectively connected to the heater or the refrigerator to transport gases of different temperatures into the experimental pool.

[0014] As an optional technical solution for the cable fault locator test device, all the partitions are correspondingly provided with first through holes, the gas pipe can pass through the first through holes, and seals are provided between the partitions and the gas pipes as well as between the partitions and the experimental pool.

[0015] As an optional technical solution for a cable fault locator testing device, the moving component includes a first screw, a first slider, a first driving member and a mounting plate. The first screw is arranged in the active area along the second direction. The first slider is threadedly sleeved on the first screw. The mounting plate is fixed to the first slider for carrying the fault locator. The first driving member can drive the first screw to rotate, thereby driving the first slider to move along the second direction.

[0016] As an optional technical solution for the cable fault locator testing device, the movable component also includes a positioning groove and a sleeve. The positioning groove is arranged on the mounting plate for fixing the receiver of the fault locator. The sleeve is arranged on a side of the mounting plate close to the active area for fixing the probe of the fault locator.

[0017] As an optional technical solution for the cable fault locator test device, the moving component further includes a displacement sensor, which is arranged on the mounting plate to detect the moving distance of the fault locator.

[0018] As an optional technical solution for the cable fault locator test device, the cable fault locator test device also includes a control terminal, which is arranged at one end of the experimental pool close to the activity area, and the control terminal is communicatively connected to the displacement sensor.

[0019] As an optional technical solution for the cable fault locator test device, the cable fault locator test device further includes a sealing component, the sealing component includes a sealing plate, and the sealing plate can move along the second direction to seal the experimental pool.

[0020] As an optional technical solution for the cable fault locator test device, the sealing assembly also includes a second screw, a second slider and a second driving member. There are two second screws, which are arranged on both sides of the experimental pool along the first direction. The second screw is arranged on the side wall of the experimental pool along the second direction. The second slider is fixed to both sides of the sealing plate along the first direction and is threadedly sleeved on the second screw. The second driving member can drive any of the second screws to rotate, thereby driving the second slider to move along the second direction.

[0021] On the other hand, a cable fault locator testing method is provided, which uses the above-mentioned cable fault locator testing device and includes the following steps:

[0022] S1. Inject different types of media into the first filling area, the second filling area, and the third filling area, place the faulty cable in the cable placement area along the second direction, and fix the fault locator to the mobile component;

[0023] S2. Regulating the temperature in the experimental pool to a preset temperature through the gas pipe;

[0024] S3, driving the moving component to drive the fault locator to move along the second direction, and then discharge the fault cable, so that the fault locator obtains the measured distance between the fault point of the fault cable;

[0025] S4. Calculate the actual distance between the fault locator and the fault point of the faulty cable:

[0026] S5. Compare the measured distance with the actual distance.

[0027] Beneficial effects of the present invention:

[0028] The present invention provides a cable fault locator test device and a test method, wherein the cable fault locator test device comprises an experimental pool, a partition, a movable component and a temperature component, wherein the partition is detachably arranged in the experimental pool, and a plurality of partitions are arranged at intervals along a first direction in the experimental pool, wherein the plurality of partitions divide the experimental pool into an active area, a first filling area, a second filling area, a third filling area and a cable placement area in sequence along the first direction, and the spacing between the partitions is adjustable; the movable component is arranged in the active area and can drive the fault locator to move along a second direction, wherein the second direction is perpendicular to the first direction; the temperature component comprises an air pipe, wherein the air pipe penetrates the partition along the first direction from one end of the experimental pool close to the cable placement area and extends to the active area, wherein a plurality of exhaust holes are arranged on the air pipe, and the air pipe can selectively transport gases of different temperatures into the experimental pool to change the temperature in the experimental pool. Placing the faulty cable in the cable placement area eliminates the step of burying the faulty cable, making the test easier. The first filling area, the second filling area and the third filling area increase the diversity of the test media. The gas pipe adjusts the temperature of the experimental pool, improving the authenticity of the test environment. The spacing between the partitions is adjustable, making it convenient to change the thickness of different test media and improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0030] Figure 1 is an axonometric diagram of a cable fault locator test device provided by an embodiment of the present invention;

[0031] Figure 2 is a top view of a cable fault locator test device provided by an embodiment of the present invention;

[0032] Figure 3 It is a partial structural schematic diagram of a cable fault locator test device provided by an embodiment of the present invention;

[0033] Figure 4 The present invention provides a flow chart of a cable fault locator testing method.

[0034] In the figure:

[0035] 1. Fault locator; 2. Fault cable;

[0036] 10. Experimental pool; 11. First filling area; 12. Second filling area; 13. Third filling area; 14. Activity area; 15. Cable placement area;

[0037] 20. Partition;

[0038] 30. Moving assembly; 31. First screw rod; 32. First slider; 33. Mounting plate; 34. Displacement sensor; 35. Positioning groove; 36. Card sleeve;

[0039] 40. Temperature component; 41. Gas pipe; 411. Exhaust hole; 42. Transfer box; 43. Three-way ball valve;

[0040] 50. Control terminal;

[0041] 60. Sealing assembly; 61. Sealing plate; 62. Observation window; 63. Second screw rod; 64. Second slider; 65. Driving wheel; 66. Driven wheel; 67. Synchronous belt. DETAILED DESCRIPTION

[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0043] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present invention, the terms "comprises", "includes", "has" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0045] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0046] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0047] The test device in the prior art also has the following defects: 1. During the entire test process, the test operation steps are numerous and cumbersome, and it is not suitable for the test and use of large quantities of cable fault locators; 2. The test parameters of the cable fault locator are fixed and difficult to adjust; for example: during the test process, the faulty cable needs to be buried under the soil, and the depth of the soil layer is difficult to change, so only the test effect of the cable fault point at a single soil depth can be measured; 3. The test variables are single, and it is impossible to perform simulated measurements based on the actual situation of cable burial; for example: soil, gravel, and even groundwater may be buried above the cable, and the surrounding ambient temperature may also affect the cable test. Therefore, simply burying the cable in the soil for measurement will cause a certain deviation between the cable test data and the actual test data during use, thereby affecting the accuracy of the data of the subsequent cable fault locator in the positioning test of the cable fault point.

[0048] To solve the above problems, this embodiment provides a cable fault locator test device. Figure 1-Figure 3, including an experimental pool 10, a partition 20, a moving component 30 and a temperature component 40. The partition 20 is detachably arranged in the experimental pool 10, and multiple partitions are arranged in the experimental pool 10 along the first direction. The multiple partitions 20 divide the experimental pool 10 into an active area 14, a first filling area 11, a second filling area 12, a third filling area 13 and a cable placement area 15 in sequence along the first direction. The spacing between the partitions 20 is adjustable; the moving component 30 is arranged in the active area 14 and can drive the fault locator 1 to move along the second direction, and the second direction is perpendicular to the first direction; the temperature component 40 includes a gas pipe 41, the gas pipe 41 passes through the partition 20 from one end of the experimental pool 10 close to the cable placement area 15 along the first direction and extends to the active area 14, and a plurality of exhaust holes 411 are arranged on the gas pipe 41. The gas pipe 41 can selectively transport gases of different temperatures into the experimental pool 10 to change the temperature in the experimental pool 10. In this embodiment, the experimental pool 10 is rectangular as a whole, the first direction is the length direction of the experimental pool 10, and the second direction is the width direction of the experimental pool 10; the faulty cable 2 is placed in the cable placement area 15, and the step of burying the faulty cable 2 is omitted, making the test easier; the first filling area 11, the second filling area 12 and the third filling area 13 increase the diversity of the test medium, and the gas pipe 41 adjusts the temperature of the experimental pool 10, thereby improving the authenticity of the test environment; the spacing between the partitions 20 is adjustable, which is convenient for changing the thickness of different test media and improving the accuracy of the test.

[0049] Furthermore, the temperature component 40 also includes a transfer box 42, a three-way ball valve 43, a heater and a refrigerator, the gas pipe 41 is connected to the transfer box 42, the three-way ball valve 43 is respectively connected to the transfer box 42, the heater and the refrigerator, and the transfer box 42 is configured to be selectively connected to the heater or the refrigerator to transport gases of different temperatures into the experimental pool 10. Specifically, a plurality of gas pipes 41 are arranged at intervals along the second direction. In this embodiment, five gas pipes 41 are arranged, and the five gas pipes 41 are evenly spaced and all connected to the transfer box 42; a plurality of exhaust holes 411 are evenly spaced along the first direction on the gas pipe 41 to make the temperature changes of the first filling area 11, the second filling area 12, the third filling area 13 and the cable placement area 15 uniform.

[0050] Furthermore, the exhaust hole 411 is provided with a filter element. Specifically, the filter element is provided as a filter net or a filter membrane, which prevents medium such as mud or sand from entering the air pipe 41 through the exhaust hole 411 and causing the air pipe 41 to be blocked without affecting the exhaust of air through the exhaust hole 411.

[0051] Furthermore, a plurality of slide bars are arranged at intervals on the side wall and the bottom of the experimental pool 10, and slide grooves are arranged at both ends and the bottom of the partition 20. The partition 20 is fixed to the experimental pool 10 through the slide grooves, and the spacing between the partitions 20 is changed according to the fixation with different slide bars. In other implementations, slide rails can be arranged on both sides of the experimental pool 10, and sliders can be arranged on the partitions 20. The sliders cooperate with the slide rails to change the spacing between the partitions 20, and a stopper, such as a block, is arranged to fix the position of the partition 20.

[0052] Furthermore, first through holes are correspondingly provided on all the partitions 20, and the gas pipe 41 can pass through the first through holes, and seals are provided between the partitions 20 and the gas pipe 41, and between the partitions 20 and the experimental pool 10. Specifically, a sealing ring is provided between the gas pipe 41 and the partition 20, and a U-shaped sealing strip is provided between the partition 20 and the experimental pool 10, so that the active area 14, the first filling area 11, the second filling area 12, the third filling area 13 and the cable placement area 15 are independently sealed to prevent the test medium from scattering or flowing out.

[0053] Furthermore, the moving assembly 30 includes a first screw rod 31, a first slider 32, a first driving member and a mounting plate 33. The first screw rod 31 is arranged in the active area 14 along the second direction. The first slider 32 is threadedly sleeved on the first screw rod 31. The mounting plate 33 is fixed to the first slider 32 and is used to carry the fault locator 1. The first driving member can drive the first screw rod 31 to rotate, thereby driving the first slider 32 to move along the second direction. In this embodiment, the first driving member is configured as a rotating motor. In other embodiments, an electric slide rail can be used instead of the first screw rod 31. Using the first driving member to drive the fault locator 1 to move avoids manual movement and improves the convenience of testing the fault locator 1. Since the fault cable 2 is arranged along the second direction, driving the fault locator 1 to move along the second direction facilitates testing the fault cable 2.

[0054] Furthermore, the moving assembly 30 further includes a positioning groove 35 and a clamping sleeve 36. The positioning groove 35 is provided on the mounting plate 33 for fixing the receiver of the fault locator 1. The clamping sleeve 36 is provided on a side of the mounting plate 33 close to the active area 14 for fixing the probe of the fault locator 1. Specifically, the mounting plate 33 is provided as a square plate, and the positioning groove 35 is provided at the geometric center of the mounting plate 33. The positioning groove 35 limits the movement of the fault locator 1 through the side wall to position the fault locator 1.

[0055] Furthermore, the moving assembly 30 also includes a displacement sensor 34, which is arranged on the mounting plate 33 to detect the moving distance of the fault locator 1. Specifically, the cable fault locator test device also includes a control terminal 50, which is arranged at one end of the experimental pool 10 close to the activity area 14, and the control terminal 50 is communicatively connected with the displacement sensor 34. The displacement sensor 34 can test the distance moved by the fault locator 1 along the second direction, and transmit the value to the control terminal 50. The control terminal 50 has a built-in algorithm, which can calculate the actual distance between the fault locator 1 and the fault point of the faulty cable 2 through the distance moved by the fault locator 1 along the second direction, so as to judge the accuracy of the fault locator 1.

[0056] Furthermore, the cable fault locator test device further includes a sealing assembly 60, which includes a sealing plate 61, which can move along the second direction to seal the test pool 10. After the sealing plate 61 seals the test pool 10, air of different temperatures is introduced into the test pool 10 using the air pipe 41, and the sealing plate 61 plays a role in heat preservation for the test pool 10. In other embodiments, heat insulation cotton or heat insulation felt can be laid at the open end of the test pool 10 to achieve the same effect.

[0057] Furthermore, an observation window 62 is provided on the sealing plate 61, and the observation window 62 extends along the second direction and corresponds to the moving path of the fault locator 1. The observation window 62 facilitates observation of the specific distance between the fault point of the faulty cable 2 measured by the fault locator 1, and facilitates the operator to compare the actual distance to determine whether the fault locator 1 is qualified.

[0058] Furthermore, the sealing assembly 60 also includes a second screw 63, a second slider 64 and a second driving member. There are two second screws 63, which are arranged on both sides of the experimental pool 10 along the first direction. The second screw 63 is arranged on the side wall of the experimental pool 10 along the second direction. The second slider 64 is fixed to both sides of the sealing plate 61 along the first direction and is threadedly sleeved on the second screw 63. The second driving member can drive any second screw 63 to rotate, thereby driving the second slider 64 to move along the second direction. Using the second driving member to drive the sealing plate 61 to close is convenient for saving manpower. Specifically, both the first driving member and the second driving member can be set as a rotating motor.

[0059] Furthermore, the second driving member is arranged outside the experimental pool 10. Since there is interference between the setting positions of the second driving member and the second screw 63, the sealing assembly 60 also includes a driving wheel 65, a driven wheel 66 and a synchronous belt 67. The second driving member is connected to the driving wheel 65, and the driving wheel 65 is connected to the driven wheel 66 through the synchronous belt 67. The driven wheel 66 is connected to the second screw 63, so that the second driving member drives the second screw 63 to rotate.

[0060] This embodiment also provides a cable fault locator testing method, which is applied to the above-mentioned cable fault locator testing device, see Figure 4 , including the following steps:

[0061] S1, inject different types of media into the first filling area 11, the second filling area 12 and the third filling area 13, place the faulty cable 2 in the cable placement area 15 along the second direction, and fix the fault locator 1 to the mobile component 30;

[0062] S2, adjusting the temperature in the experimental pool 10 to a preset temperature through the gas pipe 41;

[0063] S3, driving the moving component 30 to drive the fault locator 1 to move along the second direction, and then discharge the fault cable 2, so that the fault locator 1 obtains the measured distance between the fault point of the fault cable 2;

[0064] S4. Calculate the actual distance between the fault locator 1 and the fault point of the faulty cable 2:

[0065] S5. Compare the measured distance with the actual distance.

[0066] Specifically, the measured distance between the fault locator 1 and the fault point of the faulty cable 2 is A, and the actual distance between the fault locator 1 and the fault point of the faulty cable 2 is B;

[0067] Among them, B 2 =(LX) 2 +H 2 ;

[0068] Specifically, L is a constant, which is the relative straight-line distance between the initial position of the fault locator 1 in the second direction and the position of the fault point in the second direction; X is a variable value, which is the relative straight-line distance between the initial position of the fault locator 1 in the second direction and the position of the fault locator 1 after it moves in the second direction, that is, the distance measured by the displacement sensor 34; H is the distance between the fault locator 1 and the fault point in the first direction.

[0069] After calculating the actual distance B between the fault locator 1 and the fault point of the faulty cable 2, A and B are compared to calculate the difference between A and B. If the difference between the two is within the phase difference threshold T, the fault locator 1 is qualified, otherwise it is unqualified.

[0070] Through the cable fault locator test device and test method, the soil layer, gravel layer and groundwater layer originally distributed from top to bottom are converted to be distributed from left to right, so that the thickness of each area can be adjusted more conveniently according to needs, reducing the difficulty of changing the test parameters (the thickness of the soil layer, gravel layer and groundwater layer). At the same time, the test medium can be changed in multiple directions to test the fault locator 1, providing more comprehensive test data.

[0071] The tester can directly compare the measured distance displayed by the fault locator 1 with the actual distance displayed by the control terminal 50, so as to directly determine whether the error of the fault locator 1 exceeds the phase difference threshold T, and determine whether the cable fault locator is qualified in turn. This method is simple and fast and is suitable for testing large quantities of fault locators 1.

[0072] The cable fault locator test device can also adjust the temperature environment in the test pool 10, so as to test whether the fault locator 1 can operate stably and maintain measurement accuracy under extremely harsh conditions, thereby improving the measurement accuracy of the fault locator 1.

[0073] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A cable fault locator test device, characterized in that: include: Experimental pool (10); a partition (20), the partition (20) being detachably arranged in the experimental pool (10), and a plurality of the partitions (20) being arranged in the experimental pool (10) at intervals along a first direction, the plurality of partitions (20) dividing the experimental pool (10) into an activity area (14), a first filling area (11), a second filling area (12), a third filling area (13) and a cable placement area (15) in sequence along the first direction, and the spacing between the partitions (20) being adjustable; A moving component (30), the moving component (30) being arranged in the active area (14) and capable of driving the fault locator (1) to move along a second direction, the second direction being perpendicular to the first direction; A temperature component (40), the temperature component (40) comprising an air pipe (41), the air pipe (41) extending from one end of the experimental pool (10) close to the cable placement area (15) along the first direction through the partition (20) and extending to the activity area (14), the air pipe (41) being provided with a plurality of exhaust holes (411), the air pipe (41) being capable of selectively conveying gases of different temperatures into the experimental pool (10) to change the temperature in the experimental pool (10).

2. The cable fault locator test device according to claim 1, characterized in that: The temperature component (40) also includes a transfer box (42), a three-way ball valve (43), a heater and a refrigerator. The gas supply pipe (41) is connected to the transfer box (42), and the three-way ball valve (43) is respectively connected to the transfer box (42), the heater and the refrigerator. The transfer box (42) is configured to be selectively connected to the heater or the refrigerator to transport gases of different temperatures into the experimental pool (10).

3. The cable fault locator test device according to claim 1, characterized in that: All the partitions (20) are correspondingly provided with first through holes, and the gas pipe (41) can pass through the first through holes. Seals are provided between the partitions (20) and the gas pipe (41) and between the partitions (20) and the experimental pool (10).

4. The cable fault locator test device according to claim 1, characterized in that: The moving assembly (30) comprises a first screw rod (31), a first slider (32), a first driving member and a mounting plate (33); the first screw rod (31) is arranged in the active area (14) along the second direction; the first slider (32) is threadedly sleeved on the first screw rod (31); the mounting plate (33) is fixed to the first slider (32) and is used to carry the fault locator (1); the first driving member can drive the first screw rod (31) to rotate, thereby driving the first slider (32) to move along the second direction.

5. The cable fault locator test device according to claim 4, characterized in that: The moving assembly (30) further comprises a positioning groove (35) and a clamping sleeve (36); the positioning groove (35) is arranged on the mounting plate (33) and is used to fix the receiver of the fault locator (1); the clamping sleeve (36) is arranged on a side of the mounting plate (33) close to the active area (14) and is used to fix the probe of the fault locator (1).

6. The cable fault locator test device according to claim 4, characterized in that: The moving component (30) further comprises a displacement sensor (34), wherein the displacement sensor (34) is arranged on the mounting plate (33) to detect the moving distance of the fault locator (1).

7. The cable fault locator test device according to claim 6, characterized in that: The cable fault locator test device further comprises a control terminal (50), wherein the control terminal (50) is arranged at one end of the experimental pool (10) close to the activity area (14), and the control terminal (50) is communicatively connected to the displacement sensor (34).

8. The cable fault locator test device according to any one of claims 1 to 7, characterized in that: The cable fault locator test device further comprises a sealing assembly (60), wherein the sealing assembly (60) comprises a sealing plate (61), and the sealing plate (61) is movable along the second direction to seal the test pool (10).

9. The cable fault locator test device according to claim 8, characterized in that: The sealing assembly (60) further comprises a second screw (63), a second slider (64) and a second driving member. The second screw (63) is two and is disposed on both sides of the experimental pool (10) along the first direction. The second screw (63) is disposed on the side wall of the experimental pool (10) along the second direction. The second slider (64) is fixed to both sides of the sealing plate (61) along the first direction and is threadedly sleeved on the second screw (63). The second driving member can drive any of the second screws (63) to rotate, thereby driving the second slider (64) to move along the second direction.

10. A cable fault locator testing method, applied to the cable fault locator testing device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, injecting different types of media into the first filling area (11), the second filling area (12) and the third filling area (13), placing the faulty cable (2) in the cable placement area (15) along the second direction, and fixing the fault locator (1) to the moving component (30); S2, adjusting the temperature in the experimental pool (10) to a preset temperature through the gas delivery pipe (41); S3, driving the moving component (30) to drive the fault locator (1) to move along the second direction, and then discharge the fault cable (2), so that the fault locator (1) can obtain a measured distance from the fault point of the fault cable (2); S4. Calculate the actual distance between the fault locator (1) and the fault point of the faulty cable (2): S5. Compare the measured distance with the actual distance.

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