Insulation protection equipment for electrical test

Abstract

The utility model discloses an insulation protection device for electrical testing, which comprises a casing, a voltage withstanding tester is mounted in the casing, a test board is slidably connected above the casing, a driving structure for driving the test board to move back and forth is mounted in the casing, and one side of the casing is provided with a test cavity for the test board to enter; according to the utility model, the lifting type front protection plate, the side protection plate and the insulation seat are arranged to carry out insulation protection on the to-be-tested product, when the product is broken down, test personnel can be protected, and the movable test board is arranged to enable the product to enter the test board to be tested, so that the test is safer; and the rapid heat dissipation structure can rapidly cool the test cavity after the test of one product is completed, so that the temperature is reduced to be the same as the external temperature of the equipment, when the next product is tested, the influence on the test result can be reduced, and the comparison of the withstand voltage test of two groups of products is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical testing equipment, in particular to an insulation protection device for electrical testing. Background Art

[0002] Electrical testing includes electrical strength testing, also known as withstand voltage testing, which is the most basic and important test item in the field of electrical safety. It mainly tests the insulation performance of electrical protection and isolation in electrical products. Electronic and electrical safety testing is committed to helping customers eliminate potential safety hazards in the product design stage, and conduct qualification tests on potential risks such as electric shock, hazardous energy, mechanical and thermal hazards, and fire of products to avoid greater losses.

[0003] During the voltage withstand test, both the voltage withstand time and the test temperature will affect the test results of the product. When performing voltage withstand insulation protection, some devices usually move the product to a relatively closed insulating space through a mobile platform. Although this method can provide insulation protection, the high temperature generated after the product is broken down cannot be dissipated quickly, which may affect the test accuracy of the next product.

[0004] In Chinese patent CN116047213B, an electrical equipment testing device is disclosed, which belongs to the field of electrical equipment testing technology, and includes a carrier and a protective cover located on the carrier. Several test stations are set up for electrical testing of different electrical equipment, and each test station corresponds to a set of conductive couplers and docking devices to improve wiring efficiency. A transport frame, a Torsen differential drive mechanism, an outer running wheel and an inner running wheel for transporting electrical equipment are set up, which can withstand the transportation of heavy electrical equipment, improve the accuracy of wiring alignment, and further improve the test efficiency. A protective cover for test protection is set up, which can test and protect the electrical equipment in each station to avoid the spread of damage when an accident occurs.

[0005] The test equipment is protected by a protective cover. Although it can provide insulation protection, the high temperature generated after the product is broken down cannot be dissipated quickly, which may affect the test accuracy of the next product. Utility Model Content

[0006] The utility model aims to provide an insulation protection device for electrical testing, so as to solve the problem mentioned in the background technology that the high temperature generated after the product is broken down cannot be quickly dissipated from the protective cover, which may affect the test accuracy of the next product.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulation protection device for electrical testing, comprising a casing, a withstand voltage test machine is installed in the casing, a test bench is slidably connected to the top of the casing, a driving structure for driving the test bench to move forward and backward is installed in the casing, a test cavity for the test bench to enter is opened on one side of the casing, a rapid heat dissipation structure is arranged in the test cavity, and a lifting front protection plate is installed on one side of the test cavity;

[0008] The rapid heat dissipation structure includes an inner cavity temperature sensor and an external temperature sensor, wherein the inner cavity temperature sensor is fixed in the test cavity, and the external temperature sensor is fixed on the top of the casing. A fan is fixed on one side of the casing, and a side protective plate is provided on the other side of the casing.

[0009] Preferably, the side protection plate includes a side plate and a rotary motor, a ventilation slot is opened on one side of the housing, the side plate is rotatably connected in the ventilation slot, and the output end of the rotary motor is fixedly connected to the rotating shaft of the side plate.

[0010] Preferably, the lifting front protection plate includes a plate body and an electric push rod, the plate body is longitudinally slidably connected to one side of the casing, a fixing plate is fixed to one side of the plate body, a makeshift groove for the fixing plate to pass through is opened on one side of the casing, the electric push rod is installed at the top of the inner cavity of the casing, and the telescopic end of the electric push rod is fixedly connected to the fixing plate.

[0011] Preferably, the test bench comprises a moving table and an insulating seat, the insulating seat is fixed on the top of the moving table by screws, limiting plates for limiting the test piece are arranged around the moving table, and a positioning hole for plugging the test piece into the upper surface of the moving table is provided.

[0012] Preferably, the driving structure includes a driving motor, which is fixed to one side of the casing by screws, a screw rod is rotatably connected inside the casing, an output end of the driving motor is fixedly connected to the screw rod by a rotating shaft, and the screw rod passes through the moving platform and is threadedly connected to the moving platform.

[0013] Preferably, the driving structure further comprises a guide rail, two guide rails are provided, the guide rails are fixedly connected to the casing via screws, and the moving platform is slidably connected to the guide rails.

[0014] Preferably, the pressure resistance testing machine comprises a hydraulic cylinder and a testing machine body with a testing head, the hydraulic cylinder is fixed on the top of the casing, and the testing machine body is fixed on the telescopic end of the hydraulic cylinder.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides insulation protection for the product to be tested by arranging a lifting type front protection plate, a side protection plate and an insulating seat, and can protect the tester when the product breaks down. By arranging a movable test table, the product can be tested in the test table, and the test is safer. The rapid heat dissipation structure can quickly cool the test cavity after the test of one product is completed, so that the temperature drops to the same as the external temperature of the equipment. When the next product is tested, the influence on the test result can be reduced, and it is convenient to compare the withstand voltage tests of two groups of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axonometric drawing of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the rapid heat dissipation structure of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the lifting front protection plate of the utility model;

[0020] Figure 4 It is a schematic diagram of the position of the yield groove of the utility model.

[0021] In the figure: 1. casing; 2. withstand voltage test machine; 3. test bench; 4. drive structure; 5. test cavity; 6. rapid heat dissipation structure; 7. lifting front protection plate; 601. inner cavity temperature sensor; 602. external temperature sensor; 603. fan; 604. side protection plate; 6041. side plate; 6042. rotating motor; 605. ventilation slot; 701. plate body; 702. electric push rod; 703. fixed plate; 704. make way slot; 301. moving table; 302. insulating seat; 303. limit plate; 304. positioning hole; 401. drive motor; 402. screw rod; 403. guide rail; 201. hydraulic cylinder; 202. test machine body. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides a technical solution: an insulation protection device for electrical testing, comprising a casing 1, a withstand voltage test machine 2 is installed in the casing 1, a test bench 3 is slidably connected to the top of the casing 1, a driving structure 4 for driving the test bench 3 to move forward and backward is installed in the casing 1, a test cavity 5 for the test bench 3 to enter is opened on one side of the casing 1, a rapid heat dissipation structure 6 is arranged in the test cavity 5, and a lifting front protection plate 7 is installed on one side of the test cavity 5;

[0024] By providing a lifting front protection plate 7, when the test bench 3 enters the test cavity 5, the test cavity 5 can be shielded, and when the product to be tested breaks down, the test personnel can be protected, thereby improving the safety of the test.

[0025] The rapid heat dissipation structure 6 includes an inner cavity temperature sensor 601 and an external temperature sensor 602, wherein the inner cavity temperature sensor 601 is fixed in the test cavity 5, and the external temperature sensor 602 is fixed on the top of the casing 1. A fan 603 is fixed on one side of the casing 1, and a side protective plate 604 is provided on the other side of the casing 1.

[0026] By providing the inner cavity temperature sensor 601 and the outer temperature sensor 602 , when the temperatures of the two are the same or close to each other, it indicates that the heat accumulated in the test cavity 5 has been dissipated, and the withstand voltage test can be performed on the next group.

[0027] The side protection plate 604 includes a side plate 6041 and a rotary motor 6042 . A ventilation slot 605 is opened on one side of the housing 1 . The side plate 6041 is rotatably connected in the ventilation slot 605 . The output end of the rotary motor 6042 is fixedly connected to the rotating shaft of the side plate 6041 .

[0028] After the rotating motor 6042 is started, the side plate 6041 rotates to realize automatic opening and closing of the ventilation slot 605, which is convenient for protection and ventilation.

[0029] The lifting front protection plate 7 includes a plate body 701 and an electric push rod 702. The plate body 701 is longitudinally slidably connected to one side of the casing 1. A fixing plate 703 is fixed to one side of the plate body 701. A clearance groove 704 for the fixing plate 703 to pass through is opened on one side of the casing 1. The electric push rod 702 is installed at the top of the inner cavity of the casing 1, and the telescopic end of the electric push rod 702 is fixedly connected to the fixing plate 703.

[0030] After the electric push rod 702 is started, the electric push rod 702 pushes the fixing plate 703 to make the plate body 701 descend, thereby shielding the entrance of the test chamber 5 .

[0031] The test bench 3 includes a moving platform 301 and an insulating seat 302. The insulating seat 302 is fixed on the top of the moving platform 301 by screws. The moving platform 301 is provided with limiting plates 303 around it to limit the test piece. The upper surface of the moving platform 301 is provided with positioning holes 304 for the test piece to be plugged in.

[0032] The insulating seat 302 is made of a rubber or plastic insulating plate to prevent the product to be tested from conducting electricity to the housing 1 and the moving platform 301 .

[0033] The driving structure 4 includes a driving motor 401, which is fixed to one side of the housing 1 by screws. A screw rod 402 is rotatably connected inside the housing 1. The output end of the driving motor 401 is fixedly connected to the screw rod 402 via a rotating shaft. The screw rod 402 passes through the moving platform 301 and is threadedly connected to the moving platform 301.

[0034] After the driving motor 401 is started, the lead screw 402 rotates, and under the limit of the guide rail 403, the movable platform 301 can move forward and backward.

[0035] The driving structure 4 further includes a guide rail 403 . Two guide rails 403 are provided. The guide rails 403 are fixedly connected to the housing 1 by screws, and the moving platform 301 is slidably connected to the guide rails 403 .

[0036] The pressure test machine 2 includes a hydraulic cylinder 201 and a test machine body 202 with a test head, wherein the hydraulic cylinder 201 is fixed to the top of the housing 1, and the test machine body 202 is fixed to the telescopic end of the hydraulic cylinder 201. After the hydraulic cylinder 201 is started, the test machine body 202 with the test head can insert the test head into the interface of the product to be tested to perform a pressure test.

[0037] When in use, place the product to be tested on the insulating seat 302, press hard to insert the bottom of the product into the positioning hole 304, start the drive motor 401, and the screw 402 rotates. Under the limit of the guide rail 403, the movable platform 301 moves into the test cavity 5, and the electric push rod 702 is started. The electric push rod 702 pushes the fixed plate 703 to lower the plate body 701 to block the entrance of the test cavity 5. The hydraulic cylinder 201 is started, and the test machine body 202 with the test head can insert the test head into the interface of the product to be tested to perform a pressure test.

[0038] After the test is completed, the side panel 6041 is rotated by rotating the motor 6042, and the fan 603 is started to ventilate the test cavity 5. By comparing the inner cavity temperature sensor 601 and the external temperature sensor 602, when the temperatures of the two are the same or similar, it means that the heat accumulated in the test cavity 5 has been dissipated, and the next group can be subjected to a pressure test.

[0039] Compared with traditional testing equipment, the external protective structure of this electrical testing equipment will not affect the product testing temperature, and the comparison results of the voltage resistance test of two groups of products are more accurate.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An insulation protection device for electrical testing, Features: The invention comprises a casing (1), wherein a withstand voltage test machine (2) is installed in the casing (1), a test bench (3) is slidably connected to the top of the casing (1), a driving structure (4) for driving the test bench (3) to move forward and backward is installed in the casing (1), a test cavity (5) for the test bench (3) to enter is opened on one side of the casing (1), a rapid heat dissipation structure (6) is arranged in the test cavity (5), and a lifting front protection plate (7) is installed on one side of the test cavity (5); The rapid heat dissipation structure (6) comprises an inner cavity temperature sensor (601) and an outer temperature sensor (602), wherein the inner cavity temperature sensor (601) is fixed in the test cavity (5), and the outer temperature sensor (602) is fixed on the top of the casing (1), a fan (603) is fixed on one side of the casing (1), and a side protection plate (604) is provided on the other side of the casing (1).

2. An insulation protection device for electrical testing according to claim 1, Features: The side protection plate (604) comprises a side plate (6041) and a rotary motor (6042); a ventilation slot (605) is provided on one side of the housing (1); the side plate (6041) is rotatably connected in the ventilation slot (605); and the output end of the rotary motor (6042) is fixedly connected to the rotating shaft of the side plate (6041).

3. An insulation protection device for electrical testing according to claim 2, Features: The lifting front protection plate (7) comprises a plate body (701) and an electric push rod (702); the plate body (701) is longitudinally slidably connected to one side of the casing (1); a fixing plate (703) is fixed to one side of the plate body (701); a clearance groove (704) for the fixing plate (703) to pass through is provided on one side of the casing (1); the electric push rod (702) is mounted on the top of the inner cavity of the casing (1); and the telescopic end of the electric push rod (702) is fixedly connected to the fixing plate (703).

4. An insulation protection device for electrical testing according to claim 3, Features: The test bench (3) comprises a movable platform (301) and an insulating seat (302); the insulating seat (302) is fixed on the upper side of the movable platform (301) by means of screws; limiting plates (303) for limiting the position of the test piece are arranged around the movable platform (301); and a positioning hole (304) for plugging the test piece is provided on the upper surface of the movable platform (301).

5. An insulation protection device for electrical testing according to claim 4, Features: The driving structure (4) comprises a driving motor (401), the driving motor (401) being fixed to one side of the housing (1) by means of screws, a screw rod (402) being rotatably connected inside the housing (1), an output end of the driving motor (401) being fixedly connected to the screw rod (402) by means of a rotating shaft, and the screw rod (402) passing through the moving platform (301) and being threadedly connected to the moving platform (301).

6. An insulation protection device for electrical testing according to claim 5, Features: The driving structure (4) further comprises a guide rail (403), two guide rails (403) are provided, the guide rails (403) are fixedly connected to the housing (1) via screws, and the moving platform (301) is slidably connected to the guide rails (403).

7. An insulation protection device for electrical testing according to claim 1, Features: The pressure-resistant testing machine (2) comprises a hydraulic cylinder (201) and a testing machine body (202) with a testing head, wherein the hydraulic cylinder (201) is fixed on the top of the casing (1), and the testing machine body (202) is fixed on the telescopic end of the hydraulic cylinder (201).

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