Leakage loss insulation tester

Abstract

The utility model discloses a leakage loss insulation tester, and belongs to the field of leakage loss testing. The leakage loss insulation tester comprises a housing, the front end of the housing is provided with a detection end, the housing is square, eight diagonal positions of the housing are respectively provided with an air flow cavity, and the air flow cavities penetrate through the housing and extend into the housing. The leakage current tester solves the problems that in the actual use process of an existing leakage current tester, heat in equipment is discharged through an air outlet in the upper end, the use of the equipment is affected by the fixed position of a heat discharge port, and a user needs to pay attention to whether an article placed on the surface of the equipment blocks heat discharge of the heat discharge port or not all the time; according to the utility model, the fan blades arranged at the eight corners of the outer part of the housing are started to drive the air to flow, so that the air flow cavity is prevented from being blocked to influence the heat dissipation and leakage loss detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of leakage loss test, specifically to a leakage loss insulation tester. BACKGROUND

[0002] The leakage loss insulation tester is a kind of instrument for measuring the leakage loss of insulating material in electrical equipment and circuit, and the leakage loss is caused by moisture, impurities and bubbles in insulating material, these factors can cause current leakage in insulating material, thereby generating energy loss, the leakage loss insulation tester can measure these energy losses, thereby evaluating the quality and performance of insulating material, and this tester is very important in power system and electrical equipment maintenance, because good insulation is the key to ensure the normal operation of equipment and system;

[0003] The Chinese patent with publication number CN220171136U discloses a leakage current tester with bump protection function, which comprises a bracket arranged at the bottom end of the leakage current tester main body, a through slot opened on both sides of the bracket, and a rotating block arranged in the through slot, and the rotating block is fixedly connected with the leakage current tester main body on one side.

[0004] The leakage current tester of the above-mentioned patent can better face the staff and make the staff better use the leakage current tester main body by adjusting and rotating the angle of the leakage current tester main body through the adjusting structure, so as to reduce the working difficulty of the staff caused by long-time bending, bowing or looking up, and improve the convenience of use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a leakage loss insulation tester, which is started by the fan leaves arranged at the eight corner positions outside the shell to drive air flow, so as to avoid the blockage of air flow cavity affecting heat dissipation and leakage loss detection, and solve the problems proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a leakage loss insulation tester, comprising a shell, a detection end is arranged at the front end of the shell, the shell is square, air flow cavities are arranged at the eight diagonal positions of the shell, and the air flow cavities penetrate through the shell and extend to the inside of the shell, and dustproof nets made of plastic are arranged outside the eight air flow cavities.

[0007] Preferably, the eight said dustproof nets are externally provided with wrapping sheets, and three supporting frames are circumferentially arranged between each of the wrapping sheets and the corner positions of the shell, and the wrapping sheets are welded and fixed to the outside of the shell through the supporting frames.

[0008] Preferably, the interiors of the eight said air flow cavities are provided with flaps, the flaps at the four corner positions of the front end of the shell are used for discharging internal heat, and the flaps at the four corner positions of the rear end of the shell are used for inhaling external air into the shell.

[0009] Preferably, the exteriors of the wrapping sheets at the four corner positions of the lower end of the shell are provided with second anti-skid pads, and the exteriors of the second anti-skid pads are adhesively fixed to the exteriors of the corresponding wrapping sheets.

[0010] Preferably, the upper end of the exterior of the shell is provided with a holding handle, the holding handle is rotationally connected to the two sides of the outer wall of the shell through connecting shafts, and the exterior of one of the connecting shafts is provided with an annular sliding rail extending into the interior of the shell.

[0011] Preferably, the upper and lower ends of the interior of the annular sliding rail are provided with reserved grooves penetrating through the annular sliding rail and extending into the interior of the shell, the exterior of one of the reserved grooves is provided with a reserved groove, and the exterior of the reserved groove is provided with an extension block.

[0012] Preferably, the end of the extension block towards the holding handle is provided with a supporting block, the interior of the supporting block is slidably clamped to the exterior of the extension block, and a reset spring is arranged between the extension block and the holding handle for resetting.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. In the heat dissipation process, the eight corner positions of the square shell are provided with air flow cavities, four of which are air outlets and the other four are air inlets, the air flow cavities at the inclined positions are supported and wrapped by the wrapping sheets, heat is discharged through the inclined positions, air flow is realized, different objects covered on the surface can be coped with, efficient heat dissipation can be realized without being affected by the covered objects, and the heat dissipation efficiency and effect are improved.

[0015] 2. In the actual use and transportation process, the eight corner positions of the square shell are recessed through the air flow cavities, the impact resistance of the corners is improved, on the other hand, the wrapping sheets are supported and wrapped by the three circumferentially distributed supporting frames, the air flow and wrapping at the heat dissipation positions are realized through the wrapping sheets, and the impact resistance of the eight corner positions of the shell is improved.

[0016] 3、The utility model discloses a whole equipment can be supported by four wrapping pieces of the shell downward when placing and carrying, and the anti -skid efficiency is provided by the second anti -skid pad outside the wrapping piece simultaneously, on the other hand, the position and orientation can be adjusted after the holding handle is limited through the annular sliding rail and the reserved recess, the holding handle can be conveniently carried by the user after being oriented to the upper end, and the holding handle can be conveniently lifted to the placing position of the shell after being rotated to the lower end, and the first anti -skid pad on the surface of the holding handle can also avoid slipping when holding and contacting the placing position. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall external structure perspective drawing of the utility model;

[0018] Figure 2 It is the air flow cavity internal structure section view of the utility model;

[0019] Figure 3 It is the Figure 2 Local enlarged view of A area in it;

[0020] Figure 4 It is the shell internal structure section view of the utility model;

[0021] Figure 5 It is the Figure 4 Local enlarged view of B area in it.

[0022] In the drawing: 1, shell, 2, connecting shaft, 3, holding handle, 4, first anti -skid pad, 5, detection end, 6, annular sliding rail, 7, reserved recess, 8, wrapping piece, 9, support frame, 10, second anti -skid pad, 11, dust screen, 12, fan blade, 13, support block, 14, transverse sliding rail, 15, extension block, 16, limiting block, 17, reset spring, 18, air flow cavity. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] In order to solve the problem that the heat in the device can be discharged through the upper exhaust port in the process of using the leakage current tester in the prior art, the fixed position of the exhaust port can affect the use of the device, and the user needs to pay attention to whether the objects placed on the surface of the device block the heat discharge of the exhaust port, which affects the use efficiency and heat dissipation efficiency of the device, the technical scheme is provided in the embodiment.

[0025] A leakage loss insulation tester, comprising a shell 1, the front end of the shell 1 is provided with a detection end 5, as shown, the user contacts the detection position by hand holding the detection end 5, and the current is introduced into the detection equipment inside the shell 1, so as to realize the detection of leakage and leakage loss; Figure 1

[0026] In this embodiment, the shell 1 is square, and air flow cavities 18 are arranged at eight diagonal positions of the shell 1, and the air flow cavities 18 penetrate through the shell 1 and extend to the inside of the shell 1, as shown in Figure 2 and Figure 3 Through the eight air flow cavities 18 at the diagonal positions, efficient heat dissipation and air flow can be realized, and the outer sides of the eight air flow cavities 18 are provided with dustproof nets 11 made of plastic, the dustproof nets 11 are fixed on the surface of the shell 1 by bolts, and the erection of the dustproof nets 11 can prevent foreign matters outside from entering the inside of the device when the air flows;

[0027] In this embodiment, the outer sides of the eight dustproof nets 11 are provided with wrapping sheets 8, and three supporting frames 9 are arranged around each of the eight wrapping sheets 8 and the corner positions of the shell 1, and the wrapping sheets 8 are welded and fixed to the outer side of the shell 1 through the supporting frames 9, as shown in Figure 2 and Figure 3 The connection of the supporting frames 9 and the wrapping of the wrapping sheets 8 can wrap and protect the air flow positions, improve the impact resistance, and avoid damage to the positions of the dustproof nets 11 caused by impact force;

[0028] In this embodiment, the inner sides of the eight air flow cavities 18 are provided with fan blades 12, as shown in Figure 3 and Figure 4 The rotating direction of the fan blades 12 can realize the suction of the external air into the inside of the shell 1, and the rotating direction of the fan blades 12 can also realize the discharge of the internal heat outside the device, the fan blades 12 at the four corner positions of the front end of the shell 1 are used to discharge the internal heat, and the fan blades 12 at the four corner positions of the rear end of the shell 1 are used to suck the external gas into the inside of the shell 1;

[0029] In this embodiment, the outer sides of the wrapping sheets 8 at the four corner positions of the lower end of the shell 1 are provided with second anti-skid pads 10, as shown in 2 and Figure 4 The outer side of the second anti-skid pad 10 is fixed by adhesive bonding with the outer side of the corresponding wrapping sheet 8, and the four wrapping sheets 8 used for contacting the placement position can avoid the device from falling and improve the anti-skid ability with the aid of the second anti-skid pad 10;

[0030] In this embodiment, the upper end of the outer side of the shell 1 is provided with a holding handle 3, and the holding handle 3 is rotationally connected with the two sides of the outer wall of the shell 1 through a connecting shaft 2, as shown in Figure 3 and Figure 4 ​As shown, an annular sliding rail 6 is provided around the outside of one of the connecting shafts 2, and the annular sliding rail 6 extends into the inside of the outer shell 1. The upper and lower ends of the annular sliding rail 6 are provided with reserved grooves 7. The reserved grooves 7 pass through the annular sliding rail 6 and extend into the inside of the outer shell 1. The orientation and position of the grip handle 3 can be fixed by the reserved track and the reserved position of the reserved annular sliding rail 6 and the reserved groove 7. A reserved groove 7 is provided on the outside of one of the reserved grooves 7. An extension block 15 is provided on the outside of the reserved groove 7. When the grip handle 3 is rotated to adjust its position, it will drive the extension block 15 to move along the annular sliding rail 6. When it moves into the reserved groove 7, it will cause the extension block 15 to be recessed into the inside, and the recess will fix the position of the grip handle 3.

[0031] In this embodiment, a support block 13 is provided at the end of the extension block 15 facing the grip handle 3. The interior of the support block 13 is connected to the exterior sliding groove of the extension block 15. A reset spring 17 for resetting is provided between the extension block 15 and the grip handle 3. Figure 5 As shown, the elasticity of the return spring 17 can actively push the extension block 15, so that the extension block 15 continuously fits the annular sliding rail 6 or the reserved groove 7. The elasticity of the return spring 17 can temporarily fix the orientation and position adjustment of the grip handle 3.

[0032] In this embodiment, as Figure 5 As shown, the extension block 15 is provided with limiting blocks 16 at both the upper and lower ends. The two limiting blocks 16 are provided with transverse sliding rails 14 on their outer sides. The transverse sliding rails 14 are recessed into the inner wall of the support block 13. When the extension block 15 is slid and adjusted by the reset spring 17, the transverse sliding rails 14 limit the limiting blocks 16 to prevent the extension block 15 from slipping continuously. The outer side of the transverse sliding rails 14 is connected to the outer sliding groove of the limiting blocks 16. The limitation by the transverse sliding rails 14 can improve the stability of the extension block 15 during use.

[0033] In this embodiment, a first anti-slip pad 4 is provided on the outside of the grip handle 3, such as... Figure 1 and Figure 2 As shown, the first anti-slip pad 4 and the grip handle 3 are glued together. The connection of the first anti-slip pad 4 helps the user to carry the device and also makes it easier for the user to use the grip handle 3 as a support for anti-slip.

[0034] Working principle: when using the device and conducting product leakage loss test, hold two detection ends 5, contact the detection ends 5 with both sides of the detection position, transmit current to the detection equipment inside the shell 1, thereby realize leakage and leakage loss detection, when the heat generated inside the shell 1 needs to be dissipated during detection, the shell 1 starts the fan blades 12 at the four corners of the front end inside, the fan blades 12 discharge the heat inside to the outside of the shell 1 through the air flow cavity 18, the shell 1 starts the fan blades 12 at the four corners of the rear end inside, the fan blades 12 extract external gas through the air flow cavity 18, thereby complete heat discharge, when transporting the equipment and adjusting the orientation of the holding handle 3, the holding handle 3 can rotate outside the shell 1 with the connecting shaft 2 as the center, when rotating, the connecting shaft 2 will drive the supporting block 13 to rotate, the supporting block 13 will drive the extension block 15 to slide in the annular sliding rail 6 after being limited by the transverse sliding rail 14, after sliding to both ends inside the annular sliding rail 6, the resilience of the reset spring 17 can push the extension block 15, so that the extension block 15 is recessed inside the reserved groove 7, through the recess of the reserved groove 7 and the pushing of the reset spring 17, the rotating orientation of the holding handle 3 can be temporarily fixed.

[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A leakage current loss insulation tester, comprising a housing (1), wherein a detection end (5) is provided at the front end of the housing (1), characterized in that, The outer shell (1) is square, and air flow cavities (18) are provided at the eight opposite corners of the outer shell (1). The air flow cavities (18) penetrate the outer shell (1) and extend into the interior of the outer shell (1). The outer surfaces of the eight air flow cavities (18) are provided with dustproof nets (11) made of plastic.

2. The leakage current loss insulation tester according to claim 1, characterized in that: Each of the eight dustproof nets (11) is provided with a wrapping sheet (8) on its exterior. Each of the eight wrapping sheets (8) is surrounded by three support frames (9) at the corner of the outer shell (1). The wrapping sheets (8) are welded to the exterior of the outer shell (1) through the support frames (9).

3. The leakage current loss insulation tester according to claim 1, characterized in that: Each of the eight airflow chambers (18) is equipped with a fan blade (12). The fan blades (12) at the four corners of the front end of the outer shell (1) are used to exhaust internal heat, and the fan blades (12) at the four corners of the rear end of the outer shell (1) are used to draw external gas into the interior of the outer shell (1).

4. The leakage current loss insulation tester according to claim 1, characterized in that: The outer side of the wrapping sheet (8) at the four corners of the lower end of the outer shell (1) is provided with a second anti-slip pad (10), and the outer side of the second anti-slip pad (10) is bonded and fixed to the outer side of the corresponding wrapping sheet (8) by adhesive.

5. The leakage current loss insulation tester according to claim 1, characterized in that: A grip handle (3) is provided at the upper end of the outer shell (1). The grip handle (3) is rotatably connected to both sides of the outer wall of the outer shell (1) via a connecting shaft (2). An annular sliding rail (6) is provided around the outer side of one of the connecting shafts (2), and the annular sliding rail (6) extends into the interior of the outer shell (1).

6. The leakage current loss insulation tester according to claim 5, characterized in that: The annular sliding rail (6) has reserved grooves (7) at both the upper and lower ends. The reserved grooves (7) penetrate the annular sliding rail (6) and extend into the interior of the outer shell (1). One of the reserved grooves (7) has a reserved groove (7) on its outside. An extension block (15) is provided on the outside of the reserved groove (7).

7. The leakage current loss insulation tester according to claim 6, characterized in that: The extension block (15) has a support block (13) at one end facing the grip handle (3). The interior of the support block (13) is connected to the exterior sliding groove of the extension block (15). A reset spring (17) for resetting is provided between the extension block (15) and the grip handle (3).

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