Lightning arrester detection system

Abstract

The invention relates to the technical field of lightning arrester detection, in particular to a lightning arrester detection system, which comprises a cabinet body, a plurality of discharge detection systems, a detection loop system and a sliding seat assembly, the plurality of discharge detection systems are arranged in the cabinet body; the discharge detection system comprises a lifting rod mounting plate, a discharge rod and a lifting assembly; the lifting assembly is arranged on the inner wall of the cabinet body, one end of the lifting rod mounting plate is arranged with the lifting assembly, the other end of the lifting rod mounting plate is arranged with the discharge rod, and the discharge rod is in contact with one end of a lightning arrester; the detection loop line system comprises a chain track, a vertical motor and supporting legs. According to the invention, multiple items of the lightning arrester can be detected under the condition that two modes of direct current / alternating current, namely parameters are manually set or the model of the lightning arrester is marked, and whether the lightning arrester is qualified or not is judged.

Description

Technical Field

[0001] The present invention relates to the technical field of arrester detection, and specifically to an arrester detection system. Background Art

[0002] AC / DC withstand voltage test is the most effective and direct method for identifying the insulation strength of power equipment and is an important part of preventive tests. During the operation of power equipment, the insulation is gradually deteriorated under the action of electric field, temperature, and mechanical vibration for a long time, including overall deterioration and partial deterioration, forming defects. In addition, since the AC / DC withstand voltage test voltage is generally higher than the operating voltage, after the test, the equipment has a large safety margin. Therefore, the AC / DC withstand voltage test is an important means to ensure the safe operation of power equipment.

[0003] However, so far, the AC / DC withstand voltage test is manually performed on the object to be tested, and its efficiency and safety cannot be guaranteed. Summary of the Invention

[0004] In view of the defects of the prior art, the present invention provides an arrester detection system, which can detect multiple items of an arrester in two modes of DC / AC by setting parameters manually or indicating the arrester model, and determine whether the arrester is qualified.

[0005] To achieve the above object, the technical solution provided by the present invention is an arrester detection system, including a cabinet body, a plurality of discharge detection systems, a detection loop system, and a slide seat assembly; the plurality of discharge detection systems are arranged inside the cabinet body; the discharge detection system includes a lifting rod mounting plate, a discharge rod, and a lifting assembly; the lifting assembly is arranged on the inner wall of the cabinet body, one end of the lifting rod mounting plate is arranged with the lifting assembly, the other end is arranged with the discharge rod, and the discharge rod is in contact with one end of the arrester; the detection loop system includes a chain track, a vertical motor, and legs; a part of the chain track is placed inside the cabinet body, and another part is placed outside the cabinet body and is supported by at least two legs; the vertical motor is arranged with the chain track, and the vertical motor is used to drive the chain track; and a slide seat assembly, arranged on the chain track, and the slide seat assembly is in contact with the other end of the arrester.

[0006] Further, the lifting assembly includes a lifting motor, an upper baffle, a bottom plate, a lower baffle, a bearing seat, a lead screw, a coupling, a left slide rail, a right slide rail, and a lifting slider; one end of the bottom plate is provided with an upper baffle, and the other end is provided with a lower baffle; the left slide rail and the right slide rail are provided on the side of the bottom plate away from the cabinet body; one side of the lifting slider is slidably connected to the left slide rail, and the other side is slidably connected to the right slide rail; one end of the lead screw passes through the bearing seat and is arranged with the coupling, and the other end of the lead screw passes through the lifting slider and is arranged with the lower baffle; the coupling passes through the upper baffle and is arranged with the lifting motor.

[0007] Further, the discharge rod includes a discharge insulating rod, a discharge block, and a discharge disk; one end of the discharge block is arranged with the discharge insulating rod, and the other end is arranged with the discharge disk; the discharge disk is in contact with one end of the lightning arrester.

[0008] Further, the discharge disk is a small discharge disk or a large discharge disk; the large discharge disk is used for detecting AC discharge, and the small discharge disk is used for detecting DC discharge.

[0009] Further, one end of the lifting rod mounting plate is arranged with the lifting slider, and the other end is arranged with the discharge insulating rod.

[0010] Further, there are two discharge detection systems, one is a DC discharge detection system, and the other is an AC discharge detection system.

[0011] Further, a 50Kv transformer and a zinc oxide detector are arranged inside the cabinet body.

[0012] Further, a DC high-voltage grounding system is arranged inside the cabinet body. The DC high-voltage grounding system includes a DC high-voltage generator, a moving assembly, a needle mounting rod, a needle mounting block, a cylinder, a connecting mounting plate, and a striker; the DC high-voltage generator is arranged in the cabinet body; one end of the moving assembly is arranged with one of the connecting mounting plates, and the other end is arranged with the other connecting mounting plate; the sides of the two connecting mounting plates away from the moving assembly are arranged with the cabinet body; one end of the needle mounting rod is arranged with the needle mounting block, and the other end is arranged with the striker; the needle mounting rod is arranged with the moving assembly through the needle mounting block; the cylinder is used to drive the needle mounting rod to move along the moving assembly, driving the striker to contact the DC high-voltage generator.

[0013] Further, the moving assembly includes a moving slider and a moving bracket. The moving bracket is provided with a moving slide rail, and the moving slider is arranged on the moving bracket and moves along the moving slide rail; the needle mounting block is arranged with the moving slider.

[0014] Furthermore, the sliding seat assembly includes a lightning arrester insulating seat, a sleeve, a track slider, pulleys, and a spring; the sleeve is provided on the lightning arrester insulating seat; one end of the track slider is provided with the lightning arrester insulating seat, and the other end is provided with pulleys, and there are at least four pulleys; the spring is arranged with the lightning arrester insulating seat through the sleeve; the lightning arrester is located on the sleeve and contacts the spring; two of the four pulleys are in a group and are respectively arranged on both sides of the chain track; a plurality of the sliding seat assemblies are arranged on the chain track, and one sliding seat assembly is a test station.

[0015] Advantages of the present invention: This application can detect multiple items of the lightning arrester in two modes of artificially setting parameters or indicating the lightning arrester model, and determine whether the lightning arrester is qualified. When performing multiple detections on the lightning arrester, only need to place the lightning arrester to be detected at the test station and start it with one key. The lightning arrester is transported to the corresponding test station along the conveyor line to complete the corresponding item test, collect test data, and determine whether it is qualified until all the set detection items are completed. The whole process does not require repeated wiring, reducing the labor intensity and improving the detection efficiency. After all the detection items are completed, the lightning arrester will be transported to the blanking station along the conveyor line, and the lightning arrester can be taken out. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the present invention Figure 1 ; Figure 2 is a schematic structural diagram of the present invention Figure 2 ; Figure 3 is a schematic structural diagram of the present invention Figure 3 ; Figure 4 is a schematic structural diagram of the DC discharge detection system of the present invention; Figure 5 is a schematic structural diagram of the AC discharge detection system of the present invention; Figure 6 is a schematic structural diagram of the lifting assembly of the present invention; Figure 7 is a schematic structural diagram of the discharge rod of the present invention; Figure 8 is a schematic structural diagram of the detection loop system of the present invention; Figure 9 is a top view of the detection loop system of the present invention; Figure 10 is a schematic structural diagram of the sliding assembly of the present invention; Figure 11 is a front view of the sliding assembly of the present invention; Figure 12 is a side view of the sliding assembly of the present invention; Figure 13 Top view of the sliding component of the present invention; Figure 14 is Figure 11 B-B cross-sectional view of; Figure 15 Schematic structural view of the profile double-positioning structure of the present invention; Figure 16 Schematic structural view of the moving component of the present invention; Figure 17 Schematic structural view of the DC high-voltage grounding system of the present invention; Figure 18 Schematic structural view of the moving component of the present invention; In the figure: 100, cabinet body, 200, discharge detection system, 210, lifting rod mounting plate, 220, discharge rod, 221, discharge insulating rod, 222, discharge block, 223, discharge disc, 2231, small discharge disc, 2232, large discharge disc, 230, lifting component, 231, lifting motor, 232, upper baffle, 233, bottom plate, 234, lower baffle, 235, bearing seat, 236, lead screw, 237, coupling, 238, left slide rail, 239, right slide rail, 240, lifting slider, 300, detection loop system, 310, chain track, 320, vertical motor, 330, support leg, 400, slide seat component, 410, arrester insulating seat, 420, sleeve, 430, track slider, 440, pulley, 450, spring, 500, 50Kv transformer, 600, zinc oxide detector, 700, DC high-voltage grounding system, 710, DC high-voltage generator, 720, moving component, 721, moving slider, 722, moving bracket, 730, needle mounting rod, 740, needle mounting block, 760, connection mounting plate, 770, impact pin, 800, arrester, 900, profile double-positioning structure, 910, first cylinder bearing seat, 920, double swing arm optical axis, 930, second cylinder bearing seat, 940, first positioning short swing arm, 950, first follower, 960, third cylinder bearing seat, 970, cylinder connection component, 971, connection clamp rod, 972, cylinder connection double ear, 973, cylinder connection single ear, 974, thin cylinder, 975, positioning group fish-eye bearing, 980, second positioning short swing arm, 990, second follower. Specific embodiments

[0017] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention will be provided in conjunction with the accompanying drawings. Many specific details are set forth in the following description to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0018] As Figure 1-16 shown, in one embodiment of the present invention, a lightning arrester detection system includes a cabinet 100, a plurality of discharge detection systems, a detection loop system 300, and a slide assembly 400; the plurality of discharge detection systems 200 are disposed inside the cabinet 100; the discharge detection system 200 includes a lifting rod mounting plate 210, a discharge rod 220, and a lifting assembly 230; the lifting assembly 230 is disposed on the inner wall of the cabinet 100, one end of the lifting rod mounting plate 210 is disposed with the lifting assembly 230, and the other end is disposed with the discharge rod 220, and the discharge rod 220 is in contact with one end of the lightning arrester 800; the detection loop system 300 includes a chain track 310, a vertical motor 320, and legs 330; a part of the chain track 310 is placed inside the cabinet 100, and the other part is placed outside the cabinet 100 and is supported by at least two legs 330; the vertical motor 320 is disposed with the chain track 310, and the vertical motor 320 is used to drive the chain track 310; and the slide assembly 400 is disposed on the chain track 310, and the slide assembly 400 is in contact with the other end of the lightning arrester 800.

[0019] It should be noted that the detection loop system moves the lightning arrester 800 to the discharge detection system area for detection and then moves it to the loading position after completion.

[0020] In one embodiment, the detection loop system is provided with a profile double-positioning structure 900. The profile double-positioning structure 900 is used to position the test station (slider assembly 400) to ensure contact with the discharge disk 223. The double-positioning structure is arranged on the chain track 310 close to the discharge detection system. The profile double-positioning structure 900 includes a first cylinder bearing block 910, a double swing arm optical axis 920, a second cylinder bearing block 930, a first positioning short swing arm 940, a first follower 950, a third cylinder bearing block 960, a cylinder connection assembly 970, a second positioning short swing arm 980 and a second follower 990. One end of the double swing arm optical axis 920 is arranged with the first cylinder bearing block 910, and the other end is arranged with the second cylinder bearing block 930. The first positioning short swing arm 940 is arranged on the double swing arm optical axis 920 close to the first cylinder bearing block 910. The second positioning short swing arm 980 is arranged on the double swing arm optical axis 920 close to the second cylinder bearing block 930. The first positioning short swing arm 940 is provided with a first follower 950. The second positioning short swing arm 980 is provided with a second follower 990. The third cylinder bearing block 960 passes through the double swing arm optical axis 920 and is arranged between the first positioning short swing arm 940 and the second positioning short swing arm 980. The cylinder connection assembly 970 passes through the double swing arm optical axis 920 and is arranged between the third cylinder bearing block 960 and the second positioning short swing arm 980.

[0021] Further, the cylinder connection assembly 970 includes a connection clamp rod 971, a cylinder connection double ear 972, a cylinder connection single ear 973, a thin cylinder 974 and a positioning group spherical bearing 975. One end of the connection clamp rod 971 is arranged with the double swing arm optical axis 920, and the other end is arranged with the positioning group spherical bearing 975. One end of the thin cylinder 974 is arranged with the positioning group spherical bearing 975, and the other end is arranged with the cylinder connection double ear 972. The cylinder connection single ear 973 is hingedly connected with the cylinder connection double ear 972.

[0022] In one embodiment, the lifting assembly 230 includes a lifting motor 231, an upper baffle 232, a bottom plate 233, a lower baffle 234, a bearing block 235, a lead screw 236, a coupling 237, a left slide rail 238, a right slide rail 239 and a lifting slider 240. One end of the bottom plate 233 is provided with the upper baffle 232, and the other end is provided with the lower baffle 234. The left slide rail 238 and the right slide rail 239 are arranged on the side of the bottom plate 233 away from the cabinet body 100. One side of the lifting slider 240 is slidably connected with the left slide rail 238, and the other side is slidably connected with the right slide rail 239. One end of the lead screw 236 passes through the bearing block 235 and is arranged with the coupling 237, and the other end of the lead screw 236 passes through the lifting slider 240 and is arranged with the lower baffle 234. The coupling 237 passes through the upper baffle 232 and is arranged with the lifting motor 231.

[0023] In one embodiment, the discharge rod 220 includes a discharge insulating rod 221, a discharge block 222, and a discharge disk 223; one end of the discharge block 222 is arranged with the discharge insulating rod 221, and the other end is arranged with the discharge disk 223; the discharge disk 223 is in contact with one end of the lightning arrester 800; a spring 450 is arranged in the discharge disk 223, and the upper end of the lightning arrester 800 is in soft contact with the end of the high-voltage wire through the spring 450.

[0024] In one embodiment, the discharge disk 223 is a small discharge disk 2231 or a large discharge disk 2232; the large discharge disk 2232 is used for detecting AC discharge, and the small discharge disk 2231 is used for detecting DC discharge.

[0025] Further, one end of the rod lifting mounting plate 210 is arranged with the lifting slider 240, and the other end is arranged with the discharge insulating rod 221.

[0026] In one embodiment, there are two discharge detection systems, one is a DC discharge detection system, and the other is an AC discharge detection system.

[0027] In one embodiment, a 50Kv transformer 500 and a zinc oxide detector 600 are arranged inside the cabinet 100; the 50Kv transformer 500 is used to provide the voltage required for the test environment; the zinc oxide detector 600 is used to monitor the electrical parameters of the lightning arrester 800.

[0028] In one embodiment, a DC high-voltage grounding system 700 is arranged inside the cabinet 100. The DC high-voltage grounding system 700 includes a DC high-voltage generator 710, a moving component 720, a needle mounting rod 730, a needle mounting block 740, a cylinder, a connecting mounting plate 760, and a striker 770; the DC high-voltage generator 710 is arranged in the cabinet 100; one end of the moving component 720 is arranged with one connecting mounting plate 760, and the other end is arranged with another connecting mounting plate 760; the sides of the two connecting mounting plates 760 away from the moving component 720 are arranged with the cabinet 100; one end of the needle mounting rod 730 is arranged with the needle mounting block 740, and the other end is arranged with the striker 770; the needle mounting rod 730 is arranged with the moving component 720 through the needle mounting block 740; the cylinder is used to drive the needle mounting rod 730 to move along the moving component 720, driving the striker 770 to contact the DC high-voltage generator 710.

[0029] Further, the moving component 720 includes a moving slider 721 and a moving bracket 722. The moving bracket 722 is provided with a moving slide rail, and the moving slider 721 is arranged on the moving bracket 722 and moves along the moving slide rail; the needle mounting block 740 is arranged corresponding to the moving slider 721; two cylinders are respectively arranged at both ends of the moving bracket 722, enabling the slider to be in two usage states, one at the starting end (far from the DC high-voltage generator 710) and the other at the ending end (in contact with the DC high-voltage generator 710).

[0030] It should be noted that the DC high-voltage grounding system can be compatible with the external dimensions of all DC high-voltage generators on the current market with a voltage of 35 kV and below; it can improve the link of repeated wiring in the test, greatly improving the test efficiency; it can ensure the potential safety hazards of the test personnel. Through computer control, there is no longer a need for manual discharge in person; it can improve the human factor link and enhance the reliability and safety of full discharge; it realizes the automatic connection and disconnection of the high-voltage circuit, avoiding the safety hazards of manual operation of the high-voltage circuit, and belongs to a brand-new safety design.

[0031] Based on the above technical solution, the DC high-voltage grounding system is used for the test voltage source to generate DC high voltage. After the test is completed, the voltage generating column needs to be discharged; the tail end of the impact pin is connected to one end of a wire, and the other end of the wire is grounded.

[0032] In one embodiment, the sliding seat assembly 400 includes an arrester 800 insulation seat 410, a sleeve 420, an orbital slider 430, pulleys 440, and a spring 450; the arrester 800 insulation seat 410 is provided with a sleeve 420. One end of the orbital slider 430 is provided with the arrester 800 insulation seat 410, and the other end is provided with pulleys 440, with at least four pulleys 440; the spring 450 is arranged corresponding to the arrester 800 insulation seat 410 through the sleeve 420; the arrester 800 is located on the sleeve 420, and the lower metal of the arrester 800 is in contact with the spring 450 to achieve metal grounding; two of the four pulleys 440 are in a group and are respectively arranged on both sides of the chain track 310. Preferably, the sleeve 420 leads out a wire. One end of the wire is arranged corresponding to the spring 450, and the other end is connected to a metal clip, and the metal clip is in contact with the lower metal of the arrester 800.

[0033] It should be noted that the execution standards of this system are as follows: GB11032-2020 "AC Non-Clearance Metal Oxide Arrester"; DL / T474.5-2018 "Implementation Guide for On-Site Insulation Tests - Part 5 Arrester Tests"; GB50054-2011 "Code for Design of Low-Voltage Distribution"; GB50052-2009 "Code for Design of Power Supply and Distribution Systems"; GB50055-2011 Code for Design of Distribution of General Electrical Equipment GB50217-2018 Code for Design of Electric Cables in Electric Power Engineering GB50058-2014 Code for Design of Electrical Installations in Explosive and Fire Hazardous Areas HG / T 20511-2014 Regulations for Design of Signal Alarm and Safety Interlock Systems GB / T 4208 —2017 Classification of Degrees of Protection Provided by Enclosures GB50150-2016 Standard for Electrical Equipment Handover Tests of Electrical Installation Engineering GB / T 191-2008 Graphical Marks for Packaging, Handling and Storage

[0034] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0035] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the present invention, unless otherwise clearly specified and defined, the first feature being “on” or “under” the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being “above”, “over” and “on top of” the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being “under”, “beneath” and “underneath” the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature. It should be noted that when an element is referred to as being “fixed to” or “disposed on” another element, it may be directly on the other element or there may also be an intermediate element. When an element is considered to be “connected to” another element, it may be directly connected to the other element or there may be an intermediate element present at the same time. The terms “vertical”, “horizontal”, “upper”, “lower”, “left”, “right” and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.

Claims

1. Lightning arrester detection system, characterized in that: including cabinet body; a plurality of discharge detection systems, arranged inside the cabinet body; the discharge detection system includes a lifting rod mounting plate, a discharge rod and a lifting assembly; the lifting assembly is arranged on the inner wall of the cabinet body, one end of the lifting rod mounting plate is arranged with the lifting assembly, and the other end is arranged with the discharge rod, and the discharge rod is in contact with one end of the lightning arrester; a detection loop system, including a chain track, a vertical motor and legs; a part of the chain track is placed inside the cabinet body, and the other part is placed outside the cabinet body, and is supported by at least two legs; the vertical motor is arranged with the chain track, and the vertical motor is used to drive the chain track; and a sliding seat assembly, arranged on the chain track, and the sliding seat assembly is in contact with the other end of the lightning arrester; the detection loop system is provided with a profile double positioning structure, arranged on the chain track close to the discharge detection system, and the profile double positioning structure includes a first cylinder bearing seat, a double swing arm optical axis, a second cylinder bearing seat, a first positioning short swing arm, a first follower, a third cylinder bearing seat, a cylinder connection assembly, a second positioning short swing arm and a second follower; one end of the double swing arm optical axis is arranged with the first cylinder bearing seat, and the other end is arranged with the second cylinder bearing seat; the first positioning short swing arm is arranged on the double swing arm optical axis close to the first cylinder bearing seat; the second positioning short swing arm is arranged on the double swing arm optical axis close to the second cylinder bearing seat; the first positioning short swing arm is provided with a first follower; the second positioning short swing arm is provided with a second follower, and the third cylinder bearing seat passes through the double swing arm optical axis and is arranged between the first positioning short swing arm and the second positioning short swing arm; the cylinder connection assembly passes through the double swing arm optical axis and is arranged between the third cylinder bearing seat and the second positioning short swing arm; the cylinder connection group includes a connection clamp rod, a cylinder connection double ear, a cylinder connection single ear, a thin cylinder and a positioning group fish eye bearing; one end of the connection clamp rod is arranged with the double swing arm optical axis, and the other end is arranged with the positioning group fish eye bearing; one end of the thin cylinder is arranged with the positioning group fish eye bearing, and the other end is arranged with the cylinder connection double ear; the cylinder connection single ear is hinge-connected with the cylinder connection double ear; the lifting assembly includes a lifting motor, an upper baffle, a bottom plate, a lower baffle, a bearing seat, a lead screw, a coupling, a left slide rail, a right slide rail and a lifting slider; one end of the bottom plate is provided with an upper baffle, and the other end is provided with a lower baffle; the left slide rail and the right slide rail are arranged on the side of the bottom plate away from the cabinet body; one side of the lifting slider is slidably connected with the left slide rail, and the other side is slidably connected with the right slide rail; one end of the lead screw passes through the bearing seat and is arranged with the coupling, and the other end of the lead screw passes through the lifting slider and is arranged with the lower baffle; the coupling passes through the upper baffle and is arranged with the lifting motor; there are two discharge detection systems, one is a DC discharge detection system and the other is an AC discharge detection system; The sliding seat assembly includes a lightning arrester insulating seat, a sleeve, an orbital slider, pulleys, and a spring; the sleeve is provided on the lightning arrester insulating seat; one end of the orbital slider is provided with the lightning arrester insulating seat, and the other end is provided with pulleys, and there are at least four pulleys; the spring is arranged with the lightning arrester insulating seat through the sleeve; the lightning arrester is located on the sleeve and contacts the spring; two of the four pulleys are in a group and are respectively arranged on both sides of the chain track; A DC high-voltage grounding system is provided inside the cabinet, and the DC high-voltage grounding system includes a DC high-voltage generator, a moving assembly, a needle mounting rod, a needle mounting block, a cylinder, a connecting mounting plate, and a striker; the DC high-voltage generator is provided in the cabinet; one end of the moving assembly is arranged with one of the connecting mounting plates, and the other end is arranged with the other connecting mounting plate; the two connecting mounting plates are arranged with the cabinet on the side away from the moving assembly; one end of the needle mounting rod is arranged with the needle mounting block, and the other end is arranged with the striker; the needle mounting rod is arranged with the moving assembly through the needle mounting block; the cylinder is used to drive the needle mounting rod to move along the moving assembly, driving the striker to contact the DC high-voltage generator; The moving assembly includes a moving slider and a moving bracket, the moving bracket is provided with a moving slide rail, and the moving slider is arranged on the moving bracket and moves along the moving slide rail; the needle mounting block is arranged with the moving slider.

2. The lightning arrester detection system according to claim 1, characterized in that: The discharge rod includes a discharge insulating rod, a discharge block, and a discharge disc; one end of the discharge block is arranged with the discharge insulating rod, and the other end is arranged with the discharge disc; the discharge disc contacts one end of the lightning arrester.

3. The lightning arrester detection system according to claim 2, characterized in that: The discharge disc is a small discharge disc or a large discharge disc; the large discharge disc is used to detect AC discharge, and the small discharge disc is used to detect DC discharge.

4. The lightning arrester detection system according to claim 2, wherein: One end of the lifting rod mounting plate is arranged with the lifting slider, and the other end is arranged with the discharge insulating rod.

5. The lightning arrester detection system according to claim 1, wherein: A 50Kv transformer and a zinc oxide detector are provided inside the cabinet.

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