Partial discharge locator with protection function

Abstract

The utility model discloses a partial discharge positioning appearance with protection function, including test positioning appearance main part and its outside protection subassembly and locking mechanism. Protection subassembly is by the protection half shell of symmetrical setting and is equipped with the buffer pad and multistage spring buffer system in the inside, and the impact force dispersion is realized through the sliding groove structure of special design, and locking mechanism adopts the eccentric link mechanism of rotary handle drive, and cooperation sealing ring forms negative pressure adsorption fixed. The positioning appearance passes through the slidable protection half shell and multistage buffer structure effective absorption impact energy, and the anti -impact performance is improved significantly, and simultaneously adopts rotary negative pressure adsorption fixed mode, realizes quick dismounting and reliable fixed, avoids equipment accidental drop. The utility model has excellent protection performance and convenient fixed function, especially suitable for the test scene of needing frequently moving and preventing impact.

Description

Technical Field

[0001] This utility model relates to the technical field of partial discharge locators, specifically a partial discharge locator with protective functions. Background Technology

[0002] The partial discharge tester employs advanced anti-interference components and a unique gate display circuit, and features four high-frequency elliptical scans. It is suitable for type and factory testing of high-voltage products, new product development testing, and quantitative testing of partial discharge in motors, transformers, cables, bushings, capacitors, transformers, surge arresters, switches, and other high-voltage electrical appliances. It can be used in manufacturing plants, research institutions, and power departments for on-site applications. Currently, existing partial discharge testers lack adequate protection during use, making them susceptible to damage from accidental drops. Publication number CN218383126U discloses a partial discharge tester with a protective structure, including a partial discharge tester body and a protective structure. A support member is fixed to the bottom of the partial discharge tester body. The protective structure includes two first horizontal blocks, two second horizontal blocks, a connecting rod, a limiting member, and a protective baffle. The two first horizontal blocks are engaged with the upper and lower corners on one side of the partial discharge tester body via slots. The two ends of the connecting rod are respectively threaded with a first threaded rod and a second threaded rod. A first connecting block is fixed to the end of both the first and second threaded rods. The protective baffle is engaged with the top surface of the first and second horizontal blocks. This design facilitates external protection, reducing damage from contact or drops and improving protection. However, this patent still has the following problems in practical use: The aforementioned device can only buffer vertical impacts, but it cannot effectively buffer lateral or oblique impacts. However, based on actual usage experience, the weight of the positioning device is not uniform, and it often flips over when dropped, with lateral impact being the norm. Therefore, the buffering function of the aforementioned device is relatively weak. Furthermore, conventional rectangular positioning devices are usually placed on laboratory tabletops, and with the wiring attached, the device is prone to shifting or falling due to the pulling of the wiring.

[0003] A partial discharge locator with protective functions is proposed to solve the problems mentioned above. Utility Model Content

[0004] The purpose of this invention is to provide a partial discharge locator with a protective function to solve the problem that the aforementioned devices in the background art can only buffer vertical impacts, but cannot effectively buffer lateral or oblique impacts. According to actual usage experience, the weight of the locator is not uniform, and it often flips when dropped, with lateral impact being the norm. Therefore, the buffering function of the aforementioned devices is weak. In addition, conventional rectangular locators are generally placed on laboratory tabletops, and with wiring attached, the device is prone to shifting or falling due to the pulling of the wiring.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a partial discharge locator with a protection function, comprising a test locator body, wherein the test locator body includes a device housing; The main body of the test positioning instrument is provided with a protective component. The protective component includes a protective half shell symmetrically sleeved on the outside of the test positioning instrument body and a protrusion fixed to the middle of the top and bottom surfaces of the equipment shell. A first spring is symmetrically fixed to both sides of the protrusion. Horizontal grooves are symmetrically opened on the top and bottom surfaces of the equipment shell. A buffer pad is fixedly connected to the inner wall of the protective half shell. Heat dissipation grooves are opened on the protective half shell and the buffer pad. A second spring is fixedly connected to the back side of the protective half shell. A longitudinal groove is opened on the inner top surface of the protective half shell. The protective half-shell has a locking mechanism symmetrically arranged on its outer side, and a slider is symmetrically slidably connected inside the transverse groove. A guide strip is fixedly connected to the top of the slider.

[0006] Preferably, the locking mechanism includes an extension shell, which is fixedly connected to the protective half shell. A riser is fixedly connected to the middle of the extension shell. An inner cavity is opened inside the riser. A pair of connecting rods are slidably connected to the top of the riser. A round block is rotatably connected to the top of the connecting rods. A groove is opened at the top of the riser. A lifting plate is fixedly connected to the bottom of the connecting rods. A sealing ring is fixedly connected to the outer side of the lifting plate.

[0007] Preferably, a handle is fixedly connected to the outer side of the circular block, and the connecting rod is eccentrically connected to the circular block.

[0008] Preferably, a rubber gasket is fixedly connected to the bottom end of the riser, and the sealing ring is in contact with the inner wall of the inner cavity.

[0009] Preferably, the circular block fits into the groove.

[0010] Preferably, the first spring is fixedly connected to the cut surface of the protective half-shell, and the second spring is fixedly connected to the back of the equipment housing.

[0011] Preferably, the transverse groove is slidably connected to the guide strip, and the slider is slidably connected to the longitudinal groove.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This partial discharge locator with protective function effectively absorbs impact energy and disperses force through a multi-level buffer structure and a sliding protective half-shell design, significantly improving the impact resistance of the equipment; the locking mechanism adopts a rotary negative pressure adsorption fixing method, realizing quick disassembly and reliable fixing, and preventing the equipment from accidentally falling. The specific details are as follows: 1. The symmetrically arranged protective half-shells form a comprehensive protective structure. The internal buffer pads and the first and second springs constitute a multi-stage buffer system, which can effectively absorb impact energy from all directions. The special cross-groove design of the transverse and longitudinal grooves, combined with the sliding connection of the slider and guide strip, allows the protective half-shells to move in multiple directions when subjected to impact, thereby better dispersing the impact force.

[0013] 2. The equipment can be quickly fixed and disassembled by simply rotating the handle. The eccentrically connected circular block and connecting rod convert rotational motion into linear motion, which, together with the sealing ring, creates negative pressure adsorption, utilizing atmospheric pressure to achieve a firm fixation, avoiding the cumbersome operation of traditional bolt fixing methods. The rubber gasket ring provides both excellent sealing and protection for the contact surface. This locking method is not only easy to operate but also reliable, effectively preventing the equipment from shifting or falling due to wire pulling or accidental contact. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the front structure of this utility model; Figure 2 A schematic diagram of the structure protecting the half-shell; Figure 3 This is a schematic diagram of the top surface structure of the equipment housing; Figure 4 This is a schematic diagram of the installation structure of the locking mechanism; Figure 5 This is a cross-sectional structural diagram of the riser in the locked state.

[0015] In the diagram: 1. Test positioning instrument body; 101. Equipment shell; 2. Protective components; 201. Protective half shell; 202. Raised strip; 203. First spring; 204. Horizontal groove; 205. Buffer pad; 206. Longitudinal groove; 207. Second spring; 208. Slider; 209. Guide strip; 210. Heat dissipation groove; 3. Locking mechanism; 301. Extension shell; 302. Riser; 303. Inner cavity; 304. Connecting rod; 305. Groove; 306. Round block; 307. Handle; 308. Lifting plate; 3081. Sealing ring; 309. Rubber gasket ring. Detailed Implementation

[0016] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1-5 The present invention provides a technical solution: a partial discharge locator with a protection function, including a test locator body 1, the test locator body 1 including a device housing 101; The test positioning instrument body 1 is externally equipped with a protective component 2. The protective component 2 includes a protective half-shell 201 symmetrically fitted around the test positioning instrument body 1 and a protrusion 202 fixed to the middle of the top and bottom surfaces of the equipment housing 101. A first spring 203 is symmetrically fixedly connected to both sides of the protrusion 202. Horizontal grooves 204 are symmetrically opened on the top and bottom surfaces of the equipment housing 101. A buffer pad 205 is fixedly connected to the inner wall of the protective half-shell 201. Heat dissipation grooves 210 are opened on the protective half-shell 201 and the buffer pad 205. A second spring 207 is fixedly connected to the back side of the protective half-shell 201. A longitudinal groove 206 is opened on the inner top surface of the protective half-shell 201. A wire hole 211 can be opened on the back of the protective half-shell 201 as needed to adapt to the wire connection when the test positioning instrument body 1 is used. When the test positioning instrument body 1 is accidentally dropped or bumped during transportation, the protective half-shell 201 can protect the test positioning instrument body 1.

[0018] Among them, the outer side of the protective half shell 201 is symmetrically provided with locking mechanism 3, the inside of the transverse groove 204 is symmetrically slidably connected with slider 208, and the top of slider 208 is fixedly connected with guide strip 209.

[0019] The locking mechanism 3 includes an extension shell 301, which is fixedly connected to the protective half-shell 201. A riser 302 is fixedly connected to the middle of the extension shell 301. An inner cavity 303 is opened inside the riser 302. A pair of connecting rods 304 are slidably connected to the top of the riser 302. A round block 306 is rotatably connected to the top of the connecting rods 304. A groove 305 is opened at the top of the riser 302. A lifting plate 308 is fixedly connected to the bottom of the connecting rods 304. A sealing ring 3081 is fixedly connected to the outside of the lifting plate 308. After the test positioning instrument body 1 is placed on the table, it is shaken. The handle 307 causes the circular block 306 to rotate against the top surface of the riser 302. Due to the connection shaft between the connecting rod 304 and the circular block 306 and the limitation that the connecting rod 304 can only move radially, the circular block 306 will pry up the connecting rod 304, causing it to drive the lifting plate 308 to move upward within the riser 302. With the cooperation of the sealing ring 3081, a low-pressure cavity is formed between the lifting plate 308 and the rubber gasket ring 309. Ultimately, the main body 1 of the test positioning instrument can be fixed to the table without bolts under atmospheric pressure, avoiding the situation of traditional direct placement and use, and the pulling of the wires, which may cause it to fall off the table.

[0020] A handle 307 is fixedly connected to the outer side of the circular block 306, and the connecting rod 304 is eccentrically connected to the circular block 306; the connection point between the center of the circular block 306 and the connecting rod 304 is offset.

[0021] A rubber gasket 309 is fixedly connected to the bottom end of the riser 302, and the sealing ring 3081 is in contact with the inner wall of the inner cavity 303.

[0022] The circular block 306 is fitted into the groove 305; the circumferential contour of the circular block 306 is adapted to the shape of the groove 305.

[0023] The first spring 203 is fixedly connected to the cross-section of the protective half-shell 201, and the second spring 207 is fixedly connected to the back of the equipment housing 101; the transverse groove 204 is slidably connected to the guide strip 209, and the slider 208 is slidably connected to the longitudinal groove 206; the interlaced but different longitudinal grooves 206 and transverse grooves 204 enable the two protective half-shells 201 to protect the test positioning instrument body 1 when it receives any external impact, and to be buffered by the first spring 203, the second spring 207 and the buffer pad 205.

[0024] Working principle: Before using this partial discharge locator with protective functions, it is necessary to check the overall condition of the device to ensure it can operate normally. Figure 1 - Figure 5As shown, during use, the device is first fixed to a flat surface such as a desktop by the locking mechanism 3. By rotating the handle 307, the circular block 306 is rotated, and the connecting rod 304 is raised and lowered by the eccentric connection structure, forming a negative pressure adsorption fixation. The protection component 2 provides protection for the device when it is subjected to impact through the protective half shell 201 and the buffer structures 203, 205, and 207.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A partial discharge locator with protection function, comprising a test locator body (1), wherein the test locator body (1) includes a device housing (101). Its features are, Also includes: The test positioning instrument body (1) is provided with a protective component (2) on its exterior. The protective component (2) includes a protective half shell (201) symmetrically sleeved on the exterior of the test positioning instrument body (1) and a protrusion (202) fixed to the middle of the top and bottom surfaces of the equipment shell (101). A first spring (203) is symmetrically fixedly connected to both sides of the protrusion (202). A horizontal groove (204) is symmetrically opened on the top and bottom surfaces of the equipment shell (101). A buffer pad (205) is fixedly connected to the inner wall of the protective half shell (201). A heat dissipation groove (210) is opened on the protective half shell (201) and the buffer pad (205). A second spring (207) is fixedly connected to the back side of the protective half shell (201). A longitudinal groove (206) is opened on the inner top surface of the protective half shell (201). Among them, the outer side of the protective half shell (201) is symmetrically provided with a locking mechanism (3), the inside of the transverse groove (204) is symmetrically slidably connected with a slider (208), and the top of the slider (208) is fixedly connected with a guide strip (209).

2. A partial discharge locator with protective function according to claim 1, characterized in that: The locking mechanism (3) includes an extension shell (301), which is fixedly connected to a protective half shell (201). A riser (302) is fixedly connected to the middle of the extension shell (301). An inner cavity (303) is opened inside the riser (302). A pair of connecting rods (304) are slidably connected to the top of the riser (302). A round block (306) is rotatably connected to the top of the connecting rod (304). A groove (305) is opened at the top of the riser (302). A lifting plate (308) is fixedly connected to the bottom of the connecting rod (304). A sealing ring (3081) is fixedly connected to the outside of the lifting plate (308).

3. A partial discharge locator with protective function according to claim 2, characterized in that: A handle (307) is fixedly connected to the outside of the circular block (306), and the connecting rod (304) is eccentrically connected to the circular block (306).

4. A partial discharge locator with protective function according to claim 2, characterized in that: A rubber gasket (309) is fixedly connected to the bottom end of the riser (302), and the sealing ring (3081) is in contact with the inner wall of the inner cavity (303).

5. A partial discharge locator with protective function according to claim 2, characterized in that: The circular block (306) fits into the groove (305).

6. A partial discharge locator with protective function according to claim 1, characterized in that: The first spring (203) is fixedly connected to the cut surface of the protective half shell (201), and the second spring (207) is fixedly connected to the back of the equipment housing (101).

7. A partial discharge locator with protective function according to claim 1, characterized in that: The transverse groove (204) is slidably connected to the guide strip (209), and the slider (208) is slidably connected to the longitudinal groove (206).

Images