Handheld partial discharge tester

Abstract

The utility model provides a hand-held partial discharge tester, which relates to the technical field of partial discharge testers, and comprises a tester body and a sheath, the sheath comprises a shell, the tester body is placed in the shell, the left and right side surfaces of the shell are provided with track grooves, and the track grooves are arranged in the shell. Limiting grooves are formed in the left side face and the right side face of the shell, auxiliary plates are installed on the left side face and the right side face of the tester body, and a plurality of reset springs are installed on the side faces, away from each other, of the two auxiliary plates. According to the handheld partial discharge tester, the sheath and the tester body are arranged, the tester body is placed in the shell to protect the tester body, and the sheath is worn on the waist or the arm position through the wearing device, so that the tester body can be driven to move while both hands are liberated; the problem that a common handheld partial discharge detector in the prior art is inconvenient to carry about in a complex environment is solved.

Description

Technical Field

[0001] The utility model relates to a partial discharge tester, in particular to a handheld partial discharge tester, belonging to the technical field of partial discharge testers. Background Art

[0002] The partial discharge tester is a device used for partial discharge testing. It adopts advanced anti-interference components and unique gate display circuits, and has four high-frequency elliptical scans. It is suitable for type and factory tests of high-voltage products, new product development tests, and quantitative tests of partial discharge of motors, mutual inductors, cables, bushings, capacitors, transformers, lightning arresters, switches and other high-voltage electrical appliances. It can be used on-site by manufacturers, scientific research departments, and power departments.

[0003] Common partial discharge detectors are usually handheld instruments. However, operators face various different working scenarios when using handheld partial discharge detectors. Conventional handheld partial discharge testers are prone to falling during use due to the influence of the user himself and the external environment. When the detection environment is more complex, it is not conducive for users to climb, which poses a certain threat to the safety of the instrument and the user. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The purpose of the utility model is to provide a handheld partial discharge tester to solve the above problems, so as to solve the problem that the handheld partial discharge tester commonly used in the prior art is not convenient to carry around in complex environments.

[0006] (II) Technical solution

[0007] The utility model is implemented through the following technical scheme: a handheld partial discharge tester, comprising a tester body and a sheath, the sheath comprising a shell, the tester body is placed inside the shell, the left and right sides of the shell are provided with track grooves, the left and right sides of the shell are provided with limit grooves, the left and right sides of the tester body are provided with auxiliary plates, the sides of the two auxiliary plates away from each other are provided with a plurality of reset springs, the sides of the two auxiliary plates away from each other are provided with limit blocks, the other end of each reset spring is fixedly connected with the limit blocks close to each other, the back of the shell is provided with a connection groove, and a wearable device is placed at the connection groove position;

[0008] The wearable device includes a connecting block, the inner wall of the connecting block is fixedly connected to a support plate, the inner wall of the connecting block is slidably connected to a movable plate, the side surfaces of the two movable plates that are away from each other are fixedly connected to a clamping block, each of the clamping blocks penetrates the connecting block, a clamping slot is provided on the side of the connecting groove, each of the clamping blocks is clamped with the clamping slot, an opening is provided on the right side surface of the connecting block, two connecting plates are slidably connected to the right side surface of the connecting block, each of the connecting plates is fixedly connected to the movable plate that is close to each other, and straps are installed on the right sides of the two connecting plates.

[0009] Preferably, the side surfaces of the two auxiliary plates that are away from each other are fixedly connected with multiple telescopic rods, and the other end of each telescopic rod is fixedly connected to the limit block, which is beneficial to the stability of the telescopic rod, and further maintains the stability of the limit block, so that the limit block can move stably.

[0010] Preferably, two side surfaces of the two auxiliary plates that are away from each other are fixedly connected to two track blocks, each of the track blocks is slidably connected to its mutually adjacent track grooves, and side surfaces of the track blocks on the same side that are close to each other are fixedly connected to external protrusions, and the top and bottom ends of each limit block are fixedly connected to internal protrusions, and each internal protrusion is located between a return spring and the external protrusion, which is beneficial to the stability of the external and internal protrusions, so that the track block can limit the limit block through the external protrusion to prevent the limit block from popping out as a whole.

[0011] Preferably, the outer surface of each of the limit blocks is designed with a concave-convex design, which is conducive to the stability of the limit block and prevents the limit block from slipping out when being pressed and pushed.

[0012] Preferably, a plurality of auxiliary springs are fixedly connected to both left and right side surfaces of the support plate, and the other end of each auxiliary spring is fixedly connected to the movable plate adjacent thereto, which is beneficial to the stability of the movable plate and thus maintains the overall stability.

[0013] Preferably, an opening is provided on the left side of the shell, and a screen is installed on the tester body. The size of the opening is larger than the size of the screen, which is beneficial for the user to operate the tester body without taking out the tester body.

[0014] Preferably, the bottom surface of the housing is open, which is beneficial to the stability of the housing, so that the external device can be directly installed on the tester body without being taken out.

[0015] The utility model provides a handheld partial discharge tester, which has the following beneficial effects:

[0016] 1. The handheld partial discharge tester is provided with a protective cover and a tester body, and the tester body is placed inside the shell to protect the tester body. The protective cover is worn on the waist or arm by providing a wearing device, so that the tester body can be carried around while freeing both hands, thereby solving the problem that the common handheld partial discharge detectors in the prior art are inconvenient to carry around in complex environments.

[0017] 2. The handheld partial discharge tester is provided with a limit block. The limit block and the limit groove are engaged so that the tester body can be stably placed inside the shell. The limit block and the limit groove are released so that the tester body can be detached from the shell, which is convenient for the user to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of the sheath of the utility model;

[0019] Figure 2 This is a schematic diagram of the tester body of the utility model being extended;

[0020] Figure 3 This is a front view of the wearable device of the present utility model;

[0021] Figure 4 It is a cross-sectional view of the front view of the support plate of the utility model;

[0022] Figure 5 For the utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0023] Figure 6 For the utility model Figure 4 Enlarged schematic diagram of the structure at point B in the middle.

[0024] Description of Reference Numerals

[0025] 1. Tester body; 2. Sheath;

[0026] 201, housing; 202, auxiliary plate; 203, return spring; 204, limit block; 205, telescopic rod; 206, track block; 207, outer convex block; 208, inner convex block;

[0027] 3. Wearable device;

[0028] 301, connecting block; 302, supporting plate; 303, moving plate; 304, clamping block; 305, connecting plate; 306, binding belt; 307, auxiliary spring;

[0029] 4. Screen. DETAILED DESCRIPTION

[0030] The embodiment of the utility model provides a handheld partial discharge tester.

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , including a tester body 1 and a sheath 2, the sheath 2 including a shell 201, the tester body 1 is placed inside the shell 201, the left and right sides of the shell 201 are provided with track grooves, the left and right sides of the shell 201 are provided with limit grooves, the left and right sides of the tester body 1 are installed with auxiliary plates 202, a side of the two auxiliary plates 202 away from each other are installed with a plurality of reset springs 203, a side of the two auxiliary plates 202 away from each other is provided with a limit block 204, the other end of each reset spring 203 is fixedly connected to the limit block 204 close to it, a connecting groove is provided on the back of the shell 201, and a wearable device 3 is placed at the connecting groove.

[0032] The wearable device 3 includes a connecting block 301, the inner wall of which is fixedly connected to a support plate 302, the inner wall of which is slidably connected to a movable plate 303, two sides of the movable plates 303 that are away from each other are fixedly connected to a clamping block 304, each of the clamping blocks 304 penetrates the connecting block 301, a clamping slot is provided on the side of the connecting slot, each of the clamping blocks 304 is clamped with the clamping slot, an opening is provided on the right side of the connecting block 301, two connecting plates 305 are slidably connected to the right side of the connecting block 301, each of the connecting plates 305 is fixedly connected to the movable plates 303 that are close to each other, and straps 306 are installed on the right sides of the two connecting plates 305.

[0033] Please refer to Figure 1 , Figure 2 and Figure 5 The two auxiliary plates 202 are fixedly connected to a plurality of telescopic rods 205 on the side away from each other, and the other end of each telescopic rod 205 is fixedly connected to the limit block 204, which is beneficial to the stability of the telescopic rod 205, thereby maintaining the stability of the limit block 204, so that the limit block 204 can move stably, and the outer surface of each limit block 204 is designed with a concave and convex design, which is beneficial to the stability of the limit block 204 and prevents the limit block 204 from slipping out when being pressed and pushed.

[0034] Please refer to Figure 1 , Figure 2 and Figure 5The two auxiliary plates 202 are fixedly connected to two track blocks 206 on the side away from each other, each of the track blocks 206 is slidably connected to the track grooves close to each other, and the track blocks 206 on the same side are fixedly connected to the side close to each other with an outer protrusion 207, and the top and bottom ends of each limit block 204 are fixedly connected to an inner protrusion 208, and each inner protrusion 208 is located between the return spring 203 and the outer protrusion 207, which is beneficial to the stability of the outer protrusion 207 and the inner protrusion 208, so that the track block 206 can limit the limit block 204 through the outer protrusion 207 to prevent the limit block 204 from popping out as a whole.

[0035] Please refer to Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The left and right sides of the support plate 302 are fixedly connected with a plurality of auxiliary springs 307, and the other end of each auxiliary spring 307 is fixedly connected to the movable plate 303 close to it, which is beneficial to the stability of the movable plate 303 and thus maintains the overall stability. An opening is provided on the left side of the shell 201, and the tester body 1 is equipped with a screen 4. The size of the opening is larger than the size of the screen 4, which is beneficial for the user to operate the tester body 1 without taking out the tester body 1. The bottom surface of the shell 201 is open, which is beneficial to the stability of the shell 201, so that the tester body can be directly installed with external devices without being taken out.

[0036] When the utility model is in use: when it is necessary to carry the tester body outside for work, first place the tester body inside the shell 201. During the descending process of the tester body, the limit block 204 contacts the inner wall of the shell 201, and the shell 201 squeezes the limit block 204. The limit block 204 contracts and squeezes the reset spring 203. The tester body continues to descend and reaches the bottom end of the shell 201. At this time, the limit block 204 moves to the position of the limit groove. Under the elastic force of the reset spring 203, the limit block 204 is reset and engaged with the limit groove, thereby engaging the tester body inside the shell 201 to maintain the stability of the tester body.

[0037] Then, according to the desired wearing position, replace the wearable device 3 with straps 306 of different lengths, push the connecting plate 305, the movement of the connecting plate 305 drives the moving plate 303 to move, the movement of the moving plate 303 drives the card block 304 to move, the card block 304 moves and retracts back into the inside of the connecting block 301, then place the connecting block 301 at the connecting slot position, loosen the connecting plate 305, and the moving plate 303 is reset under the elastic force of the auxiliary spring 307. The movement of the moving plate 303 allows the card block 304 to be inserted into the inside of the card slot, and the card block 304 in the card slot is limited, thereby making the wearable device 3 stably connected to the housing 201, and then the tester body 1 can be moved while freeing both hands, thereby solving the problem that the common handheld partial discharge detector in the prior art is not convenient to carry around in complex environments.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A handheld partial discharge tester, comprising a tester body (1) and a sheath (2), characterized in that: The protective cover (2) comprises a shell (201), the tester body (1) is placed inside the shell (201), the left and right sides of the shell (201) are provided with track grooves, the left and right sides of the shell (201) are provided with limit grooves, the left and right sides of the tester body (1) are provided with auxiliary plates (202), the sides of the two auxiliary plates (202) away from each other are provided with a plurality of reset springs (203), the sides of the two auxiliary plates (202) away from each other are provided with limit blocks (204), the other end of each reset spring (203) is fixedly connected to the limit block (204) close to it, the back of the shell (201) is provided with a connection groove, and the wearable device (3) is placed at the connection groove position; The wearable device (3) comprises a connecting block (301), the inner wall of the connecting block (301) is fixedly connected with a support plate (302), the inner wall of the connecting block (301) is slidably connected with a movable plate (303), the side surfaces of the two movable plates (303) that are away from each other are fixedly connected with a clamping block (304), each of the clamping blocks (304) penetrates the connecting block (301), a clamping slot is provided on the side surface of the connecting slot, each of the clamping blocks (304) is clamped with the clamping slot, an opening is provided on the right side surface of the connecting block (301), two connecting plates (305) are slidably connected to the right side surface of the connecting block (301), each of the connecting plates (305) is fixedly connected with the movable plate (303) that is close to each other, and a binding strap (306) is installed on the right side surfaces of the two connecting plates (305).

2. A handheld partial discharge tester according to claim 1, characterized in that: A plurality of telescopic rods (205) are fixedly connected to the side surfaces of the two auxiliary plates (202) that are away from each other, and the other end of each telescopic rod (205) is fixedly connected to a limit block (204).

3. A handheld partial discharge tester according to claim 1, characterized in that: Two track blocks (206) are fixedly connected to the side surfaces of the two auxiliary plates (202) that are away from each other, and each of the track blocks (206) is slidably connected to the track grooves that are close to each other. The side surfaces of the track blocks (206) on the same side that are close to each other are fixedly connected to external protrusions (207), and the top and bottom ends of each of the limit blocks (204) are fixedly connected to internal protrusions (208), and each of the internal protrusions (208) is located between the return spring (203) and the external protrusion (207).

4. A handheld partial discharge tester according to claim 1, characterized in that: The outer surface of each of the limiting blocks (204) is designed to be concave and convex.

5. A handheld partial discharge tester according to claim 1, characterized in that: A plurality of auxiliary springs (307) are fixedly connected to both left and right side surfaces of the support plate (302), and the other end of each auxiliary spring (307) is fixedly connected to a movable plate (303) adjacent to it.

6. A handheld partial discharge tester according to claim 1, characterized in that: The left side of the housing (201) is provided with an opening, and the tester body (1) is provided with a screen (4), and the size of the opening is larger than the size of the screen (4).

7. A handheld partial discharge tester according to claim 1, characterized in that: The bottom surface of the housing (201) is open.

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