Anti-interference high-voltage insulation testing device

Abstract

The utility model discloses an anti -interference's high pressure insulation testing arrangement relates to the technical field of insulation test, the utility model discloses a box body, the inside embedding installation of box body has high pressure insulation tester body, the storage box and the insulation telescopic link, still be provided with detection line in the storage box, and the end of detection line is installed with detection head, and the outer end of detection head is fixedly installed with anti -interference piece, and the anti -interference piece includes the cylinder no.

Description

Technical Field

[0001] This utility model belongs to the field of insulation testing technology, and in particular relates to an anti-interference high-voltage insulation testing device. Background Technology

[0002] Insulation performance is one of the important standards for measuring the performance of electrical equipment. Before electrical equipment leaves the factory and is put into use, it needs to be tested for insulation performance to ensure that the electrical equipment has good insulation and avoid damage due to its inability to withstand high voltage. The current high voltage insulation testing device mainly consists of three parts: the high voltage tester body, the test line and the test terminal. In addition, a storage box is also equipped on the outside of the high voltage tester body to protect and store it.

[0003] Chinese patent application CN221959553U discloses a special equipment inspection device for power generation enterprises, comprising a housing and a cover. The housing houses an insulation resistance tester and a storage box for different specifications of test leads. The inner wall of the cover is equipped with a thermal imaging display screen, and the surface of the cover has a charging compartment containing an infrared thermal imaging lens. This special equipment inspection device for power generation enterprises, through the insulation resistance tester, enables high-voltage insulation testing of special equipment. The thermal imaging display screen and infrared thermal imaging lens detect the temperature distribution on the surface of the special equipment and generate thermal images using infrared imaging technology to detect hot spots in the electrical special equipment, thereby identifying potential insulation faults or overloads and improving the device's detection effectiveness. This allows for comprehensive insulation testing of special equipment.

[0004] The aforementioned special equipment inspection device for power generation enterprises includes an insulation resistance tester housed within its enclosure. The tester is equipped with a test lead and a test head. The test head can be attached to an insulating telescopic rod via a movable connector. The test head is then aligned with the electrical equipment via the telescopic rod for testing. However, the test head is exposed and needs to be directly connected to the electrical equipment during use. Because this insulation testing is high-voltage, it is subject to magnetic field disturbances and signal interference, which will affect the exposed test head. Furthermore, the telescopic rod has a movable connector at one end, fixed to the telescopic rod via a shaft, and a slot at the other end for attaching the test head or an infrared thermal imaging lens. However, the infrared thermal imaging lens and the test head have different apertures, making compatibility difficult. Therefore, we provide an anti-interference high-voltage insulation testing device to address these problems. Utility Model Content

[0005] The purpose of this utility model is to provide an anti-interference high-voltage insulation testing device. By installing an anti-interference component on the outer end of the detection head, interference from external magnetic fields and the detection process of the signal detection head can be avoided. The detection head or infrared thermal imaging lens can be fixed to the end of the insulating telescopic rod through the connecting column and connecting sleeve. It is applicable to detection heads and infrared thermal imaging lenses of different specifications, and solves the problems of the above-mentioned special equipment inspection device for power generation enterprises.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to an anti-interference high-voltage insulation testing device, comprising a housing, which is rotatably connected to a housing cover via a rotating shaft; the housing contains a high-voltage insulation tester body, a storage box, and an insulating telescopic rod; the storage box also contains a test line, with a test head installed at the end of the test line; an anti-interference component is fixedly installed at the outer end of the test head, the anti-interference component comprising a cylinder I located on the outer side of the test head, with a cylinder II slidably inserted into the outer end of cylinder I; cylinder I is also connected to cylinder II via a spring II; a connecting column is fixedly installed on the bottom side wall of the storage box, and a connecting sleeve is installed on the side wall of the test head; the connecting column includes a mounting column connected to the end of the insulating telescopic rod, and an elastic element is embedded in the side wall of the connecting column; the connecting sleeve includes a semi-circular clamp fixed to the outer wall of the test head, with both ends of the semi-circular clamp connected to an arc-shaped plate via a shaft and a fixed rod.

[0007] The present invention is further configured such that a storage slot and a fixing slot are sequentially provided on the side of the high voltage insulation tester body and on the box body, the storage box is snapped into the inside of the storage slot, the two ends of the fixing slot are fixedly installed with buckles, and the fixing slot is snapped into the two ends of the insulating telescopic rod through the buckles, and the end of the insulating telescopic rod is also provided with an installation hole, and the installation hole is used for the threaded connection of the mounting column.

[0008] The present invention is further configured such that a winding post and a fixing seat are fixedly installed on the bottom side wall of the storage box, the winding post is used for winding the detection line, the fixing seat is used for installing the connecting post, a terminal post is fixedly provided at the tail of the detection head, and the detection head is connected to the detection line through the terminal post, and a take-up box for storing the detection line is also installed on the inner walls of both ends of the storage box.

[0009] The present invention is further configured such that a groove is provided on the outer wall of the connecting column, and the groove is used for the installation of an elastic element. The elastic element includes a limiting plate that is slidably connected to the groove, and the limiting plate is connected to the groove by a spring.

[0010] The present invention is further configured such that the semicircular clamp is fixedly connected to the side wall of the detection head by bolts, and both ends of the semicircular clamp are provided with rotating grooves, and a shaft and a fixing rod are inserted into the rotating grooves at the upper and lower ends of the semicircular clamp.

[0011] The present invention is further configured such that the semicircular clamp is rotatably connected to one end of the arc-shaped plate via a shaft, and the semicircular clamp is fixedly connected to the other end of the arc-shaped plate via a fixing rod.

[0012] The present invention is further configured such that the anti-interference component includes a fixing ring fixed on the outer wall of the detection head, and the fixing ring is used for the fixed installation of cylinder one. Both cylinder one and cylinder two are hollow cylindrical structures, and anti-interference coils are also provided in the side walls of cylinder one and cylinder two.

[0013] The present invention is further configured such that a sliding groove is provided in the side wall of the first cylinder, and the first cylinder is slidably inserted into the second cylinder through the sliding groove. A second spring is also provided in the sliding groove, and a sealing ring is fixedly installed at the other end of the sliding groove.

[0014] This utility model has the following beneficial effects: This invention incorporates an anti-interference component, installed at the outer end of the detection head. The anti-interference component includes a fixing ring fixed to the outer ring of the detection head, a cylinder 1 fixedly mounted on the outer wall of the fixing ring, a cylinder 2 slidably inserted into the side wall of cylinder 1, a spring 2 placed within the side wall of cylinder 1, and an insulating ring fitted onto the outer wall of the end of cylinder 1. Both cylinder 1 and cylinder 2 are hollow cylindrical structures, and anti-interference coils are also provided in their side walls. During use, due to the presence of spring 2, it continuously pushes cylinder 2 towards the outside of cylinder 1 until cylinder 2 can no longer move and stops. When the detection head is aligned with the detection position of electrical equipment, cylinder 2 abuts against the outer periphery of the detection position of the electrical equipment through the insulating ring. At this time, spring 2 is compressed, meaning the combined length of cylinder 2 and cylinder 1 becomes smaller. Furthermore, because anti-interference coils are provided in the side walls of cylinder 1 and cylinder 2, interference from external magnetic fields and signals to the detection head inside cylinder 1 is prevented.

[0015] This invention features a connecting column, a connecting sleeve, and an insulating telescopic rod. The insulating telescopic rod has an installation hole at its end for mounting the connecting column. The connecting sleeve is mounted on the outer wall of the detection head or infrared thermal imaging lens. The connecting sleeve includes a semi-circular clamp fixed to the outer wall of the detection head or infrared thermal imaging lens. A shaft and a fixing rod are respectively inserted at both ends of the semi-circular clamp, and the semi-circular clamp is connected to an arc-shaped plate via the shaft and fixing rod. This allows the assembly of the semi-circular clamp and the arc-shaped plate to open and close by inserting and removing the fixing rod. Furthermore, the assembly of the semi-circular clamp and the arc-shaped plate is also used to snap onto the outer wall of the connecting column. The outer wall of the connecting column has a groove for housing and installing an elastic element. The elastic element includes a limiting plate that slides through the groove. The outer wall of the limiting plate is connected to the inner wall of the groove via a spring. In use, the semi-circular clamp is fixed to the outer wall of the detection head or infrared thermal imaging lens with bolts. Then, the mounting post on the connecting post is aligned with the mounting hole on the end of the insulating telescopic rod and rotated to lock into place. The fixing rod on the semi-circular clamp is then pulled out. At this point, the arc plate can be flipped outward under the drive of external force, exposing the groove between the semi-circular clamp and the arc plate. The groove is then aligned between the two elastic elements on the connecting post and inserted into it. The arc plate is then closed and the fixing rod is inserted to fix the connecting sleeve to the connecting post and to the end of the insulating telescopic rod. This achieves the effect of mounting the detection head or infrared thermal imaging lens at the end of the insulating telescopic post. Furthermore, due to the presence of the elastic elements, the connecting sleeve can also be fitted onto the connecting post by pressing the elastic elements. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of a high-voltage insulation testing device that is resistant to interference.

[0018] Figure 2 This is a structural diagram of the storage box.

[0019] Figure 3 This is a structural disassembly diagram of the storage box.

[0020] Figure 4 This is a structural disassembly diagram of the detection head, anti-interference component, and connecting sleeve.

[0021] Figure 5 This is a structural disassembly diagram of the connecting column.

[0022] Figure 6 This is a structural disassembly diagram of an insulated telescopic rod.

[0023] The attached diagram lists the components represented by each number as follows: 1-Box body, 2-Box cover, 201-Shaft, 3-High voltage insulation tester body, 4-Storage slot, 401-Storage box, 401a-Winding post, 401b-Fixing base, 402-Wire take-up box, 403-Detection wire, 404-Detection head, 404a-Terminal, 405-Connecting post, 405a-Post slot, 405b-Mounting post, 405c-Elastic element, 405a-1-Limiting plate, 405a-2-Spring 1, 406- Anti-interference components: 406a-fixing ring, 406b-cylinder one, 406b-1-slide groove, 406c-sealing ring, 406d-spring two, 406e-cylinder two, 406f-insulating ring, 407-connecting sleeve, 407a-semi-circular clamp, 407a-1-rotating groove, 407b-arc plate, 407c-shaft, 407d-fixing rod, 5-fixing groove, 501-buckle, 502-insulating telescopic rod, 502a-mounting hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1, please refer to Figure 1-4 This utility model is an anti-interference high-voltage insulation testing device, including a housing 1, a high-voltage insulation tester body 3, a detection head 404, and an anti-interference component 406. The anti-interference component 406 installed on the outer end of the detection head 404 can avoid interference from external magnetic fields and the detection process of the signal detection head 404.

[0026] Specifically, the rear part of the upper side wall of the housing 1 is connected to the housing cover 2 via a pivot 201. The housing 1 is also embedded with a high-voltage insulation tester body 3, and a storage slot 4 is provided on the side of the high-voltage insulation tester body 3. A storage box 401 is installed inside the storage slot 4. A cable take-up box 402 is fixedly installed on both sides inside the storage box 401, and a test line 403 is placed inside the cable take-up box 402. The end of the test line 403 is connected to the test head 404 via a terminal block 404a. An anti-interference component 406 is installed on the outside of the test head 404.

[0027] Furthermore, a winding post 401a is installed on the bottom side wall of the storage box 401. The winding post 401a is used for winding the detection line 403. The anti-interference component 406 includes a fixing ring 406a fixed on the outer wall of the tail of the detection head 404. A cylinder 406b is threadedly connected to the outer side wall of the fixing ring 406a. A groove 406b-1 for sliding insertion of a cylinder 406e is opened in the cylinder 406b. A spring 406d is also provided inside the groove 406b-1. A sealing ring 406c is fixedly provided at the other end of the groove 406b-1. An insulating ring 406f is sleeved on the outer side wall of the cylinder 406e.

[0028] The operation process of this embodiment is as follows: During use, due to the presence of spring 406d, it will continuously push cylinder 406e towards the outside of cylinder 406b until cylinder 406e can no longer move and stops. When the detection head 404 is connected to the detection position of the electrical equipment, cylinder 406e abuts against the outside of the detection position of the electrical equipment through insulating ring 406f. At this time, spring 406d is compressed, that is, the combined length of cylinder 406e and cylinder 406b becomes smaller. Since anti-interference coils are also provided in the side walls of cylinder 406b and cylinder 406e, external magnetic fields and signals are prevented from interfering with the detection of the detection head 404 in cylinder 406b.

[0029] Example 2, please refer to Figure 4-6 Based on Embodiment 1, a connecting post 405, a connecting sleeve 407, and an insulating telescopic rod 502 are also provided. The connecting post 405 and the connecting sleeve 407 can fix the detection head 404 or the infrared thermal imaging lens to the end of the insulating telescopic rod 5, and are applicable to detection heads 404 and infrared thermal imaging lenses of different specifications.

[0030] Specifically, a fixing seat 401b is installed on the bottom side wall of the storage box 401, and the fixing seat 401b is used for the fixed installation of the connecting column 405. The connecting column 405 includes a mounting column 405b fixed on the fixing seat 401b. A column groove 405a for the installation of the elastic element 405c is opened on the outer wall of the connecting column 405. A connecting sleeve 407 is also provided on the side wall of the detection head 404. A fixing groove 5 is also provided inside the box body 1 and on the side of the storage groove 4. The fixing groove 5 is engaged with both ends of the insulating telescopic rod 502 by a buckle 501.

[0031] Furthermore, the elastic element 405c includes a limiting plate 405a-1 that is slidably connected to the column groove 405a, and a spring 405a-2 is fixedly installed on the outer wall of the limiting plate 405a-1. The other end of the spring 405a-2 is fixedly connected to the inner wall of the column groove 405a. The connecting sleeve 407 includes a semi-circular clamp 407a that is fixed to the outer wall of the detection head 404 by bolts. Rotating grooves 407a-1 are opened at both ends of the semi-circular clamp 407a, and a shaft 407c and a fixing rod 407d are respectively inserted into the two rotating grooves 407a-1. The semi-circular clamp 407a is connected to both ends of the arc plate 407b through the shaft 407c and the fixing rod 407d. The outer wall of the shaft end of the insulating telescopic rod 502 is provided with a mounting hole 502a for threaded connection of the column 405b.

[0032] The operation process of this embodiment is as follows: In use, the semicircular clamp 407a is fixed to the outer wall of the detection head 404 or the infrared thermal imaging lens with bolts. Then, the mounting post 405b on the connecting post 405 is aligned with the mounting hole 502 on the end of the insulating telescopic rod 5, and rotated and locked into it. The fixing rod 407d on the semicircular clamp 407a is pulled out. At this time, the arc plate 407b can be flipped outward under the drive of external force, that is, the groove of the semicircular clamp 407a and the arc plate 407b is exposed. Then, the groove is aligned between the two elastic members 405c on the connecting post 405 and inserted into it. Then the arc plate is closed. By inserting plate 407b and fixing rod 407d, connecting sleeve 407 can be fixed to connecting post 405, and connected to end of insulating telescopic rod 5 by connecting post 405. This achieves the effect of mounting detection head 404 or infrared thermal imaging lens at end of insulating telescopic post 5. Due to the presence of elastic element 405c, pressing elastic element 405c can cause it to retract into post groove 405a. Then, the opening of the combination of semi-circular clamp 407a and arc plate 407b can be aligned with connecting post 405 and inserted into it. This is how connecting sleeve 407 is assembled onto connecting post 405.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-voltage insulation testing device with anti-interference capability, comprising a housing (1), wherein the housing (1) is rotatably connected to a housing cover (2) via a rotating shaft (201); characterized in that: The high-voltage insulation tester body (3), storage box (401), and insulation telescopic rod (502) are embedded inside the housing (1). The storage box (401) is also equipped with a detection line (403), and a detection head (404) is installed at the end of the detection line (403). An anti-interference component (406) is fixedly installed at the outer end of the detection head (404). The anti-interference component (406) includes a cylinder one (406b) disposed on the outside of the detection head (404), and a cylinder two (406e) is slidably inserted into the outer end of the cylinder one (406b). The cylinder one (406b) is also connected to the cylinder two by a spring two (406d). (406e) Connection, a connecting column (405) is fixedly installed on the bottom side wall of the storage box (401), and a connecting sleeve (407) is also installed on the side wall of the detection head (404). The connecting column (405) includes a mounting column (405b) connected to the end of the insulating telescopic rod (502). An elastic element (405c) is also embedded in the side wall of the connecting column (405). The connecting sleeve (407) includes a semi-circular clamp (407a) fixed on the outer wall of the detection head (404). The two ends of the semi-circular clamp (407a) are connected to the arc plate (407b) through the shaft (407c) and the fixing rod (407d).

2. The high-voltage insulation testing device for interference resistance according to claim 1, characterized in that, The high-voltage insulation tester body (3) has a storage slot (4) and a fixing slot (5) sequentially opened on the side and the box (1). The storage box (401) is snapped into the inside of the storage slot (4). The two ends of the fixing slot (5) are fixedly installed with buckles (501), and the fixing slot (5) is snapped into the two ends of the insulating telescopic rod (502) through the buckles (501). The end of the insulating telescopic rod (502) is also provided with a mounting hole (502a), and the mounting hole (502a) is used for the threaded connection of the mounting column (405b).

3. The high-voltage insulation testing device for interference resistance according to claim 1, characterized in that, The storage box (401) has a winding post (401a) and a fixing seat (401b) fixedly installed on the bottom side wall. The winding post (401a) is used for winding the detection line (403), and the fixing seat (401b) is used for installing the connecting post (405). The tail of the detection head (404) is fixedly provided with a terminal post (404a), and the detection head (404) is connected to the detection line (403) through the terminal post (404a). The storage box (401) also has a take-up box (402) for storing the detection line (403) installed on the inner walls of both ends.

4. The high-voltage insulation testing device for interference resistance according to claim 1, characterized in that, The outer wall of the connecting column (405) is provided with a column groove (405a), and the column groove (405a) is used for the installation of the elastic element (405c). The elastic element (405c) includes a limiting plate (405a-1) that is slidably connected to the column groove (405a), and the limiting plate (405a-1) is connected to the column groove (405a) by a spring (405a-2).

5. The high-voltage insulation testing device for interference resistance according to claim 1, characterized in that, The semicircular clamp (407a) is fixedly connected to the side wall of the detection head (404) by bolts. Both ends of the semicircular clamp (407a) are provided with rotating grooves (407a-1), and a shaft (407c) and a fixing rod (407d) are inserted in the rotating grooves (407a-1) at the upper and lower ends of the semicircular clamp (407a).

6. The high-voltage insulation testing device for interference resistance according to claim 5, characterized in that, The semicircular clamp (407a) is rotatably connected to one end of the arc plate (407b) via a shaft (407c), and the semicircular clamp (407a) is fixedly connected to the other end of the arc plate (407b) via a fixing rod (407d).

7. The high-voltage insulation testing device for interference resistance according to claim 1, characterized in that, The anti-interference component (406) includes a fixing ring (406a) fixed on the outer wall of the detection head (404), and the fixing ring (406a) is used for the fixed installation of cylinder one (406b). Cylinder one (406b) and cylinder two (406e) are both hollow cylindrical structures, and anti-interference coils are also provided in the side walls of cylinder one (406b) and cylinder two (406e).

8. The high-voltage insulation testing device for interference resistance according to claim 7, characterized in that, The side wall of cylinder one (406b) is provided with a sliding groove (406b-1), and cylinder one (406b) is slidably inserted into cylinder two (406e) through the sliding groove (406b-1). Spring two (406d) is also provided in the sliding groove (406b-1), and a sealing ring (406c) is fixedly installed at the other end of the sliding groove (406b-1).

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