Charging gun waterproof test jig

Abstract

The utility model provides a charging gun waterproof test jig, which comprises a waterproof box, a mounting plate, a pressing ring, a cable gland assembly and an air pipe assembly, the waterproof box is of a hollow structure with an inner cavity inside, the mounting plate is fixedly connected with the top of the waterproof box, the pressing ring is arranged on the mounting plate, and the cable gland assembly is arranged on the air pipe assembly. The waterproof box is arranged on the mounting plate and used for locking the mounting plate and the waterproof box, a mounting hole is formed in the middle of the mounting plate, at least part of the cable gland assembly penetrates through the mounting hole to be fixed, and the cable gland assembly is used for clamping a cable on test equipment; air pipe mounting holes are formed in the periphery of the mounting plate, and the air pipe assembly is fixed to the waterproof box through the air pipe mounting holes. The waterproof test jig for the charging pile is reasonable in structure, convenient to operate and excellent in sealing performance, overcomes the defects of a traditional test jig in the aspects of sealing performance, installation and disassembly, and enables the test to be more efficient and reliable through optimization design.

Description

TECHNICAL FIELD

[0001] The utility model relates to test jig technical field, especially a kind of charging gun waterproof test jig. BACKGROUND

[0002] With the increasing prosperity of electric vehicle market, related accessories also usher in tremendous development opportunity. Among them, electric vehicle charging gun seat as one of key components, its performance and design are concerned. Especially in waterproof aspect, since charging gun seat is often exposed to outdoor environment, therefore, it must have excellent waterproof ability. Especially direct current charging gun, when product acceptance verification and factory inspection, the reliability of product needs to be tested, especially waterproof function.

[0003] Waterproof test jig is widely used in the field of electronic equipment, automobile parts, household appliances and other need to carry out waterproof performance test. With the development of technology, these devices have higher and higher requirements for waterproof performance, so a test jig is needed to accurately and reliably evaluate the waterproof performance. Traditional charging gun waterproof test jig has problems such as poor sealing, complex installation, low test precision, etc., which cannot meet the high requirements of modern industry on waterproof performance test.

[0004] Therefore, it is necessary to improve the prior art. UTILITY MODEL CONTENTS

[0005] In the prior art, traditional charging gun waterproof test jig has problems such as poor sealing, complex installation, low test precision, etc., which cannot meet the high requirements of modern industry on waterproof performance test, therefore, the utility model provides a charging gun waterproof test jig to solve the above problems.

[0006] The utility model provides a charging gun waterproof test jig, which comprises a waterproof box, a mounting plate, a pressing ring, a Luer component and a gas pipe component, the waterproof box is a hollow structure with an inner cavity inside, the mounting plate is connected and fixed with the top of the waterproof box, the pressing ring is arranged on the mounting plate and is used for locking the mounting plate and the waterproof box, a mounting hole is arranged in the middle of the mounting plate, the Luer component is at least partially fixed through the mounting hole, and the Luer component is used for clamping cable on test equipment, a gas pipe mounting hole is arranged around the mounting plate, and the gas pipe component is fixed with the waterproof box through the gas pipe mounting hole.

[0007] In one implementation mode, extension parts are arranged on both sides of the bottom of the waterproof box, and a reserved hole is arranged on the extension part, the reserved hole is used for external connection to take out tools.

[0008] In one implementation mode, the waterproof box further comprises a waterproof ring groove, and the waterproof ring groove is arranged at the connection between the waterproof box and the mounting plate.

[0009] In an implementation manner, the charging gun waterproof test jig further comprises a jig sealing ring, which is arranged in the waterproof ring groove.

[0010] In an implementation manner, the mounting plate further comprises a first threaded hole, the pressing ring is provided with a second threaded hole, and the Luer assembly further comprises a nut, which is sequentially installed and fixed through the second threaded hole and the first threaded hole.

[0011] In an implementation manner, the Luer assembly further comprises a waterproof ring and a cable, the cable penetrates through the nut and the waterproof ring, and the waterproof ring is arranged on the side of the nut close to the mounting hole.

[0012] In an implementation manner, the waterproof box and the corresponding position of the mounting plate are further provided with screw holes, and the pressing ring is provided with a screw, which is sequentially connected with the mounting plate and the waterproof box through the screw holes.

[0013] In an implementation manner, the air pipe assembly comprises an air pipe joint, an air pipe and a blind plug, the air pipe joint is fixed on the air pipe mounting hole, and the air pipe and the blind plug are fixedly connected with the air pipe joint in different use states.

[0014] Beneficial effects: the technical scheme provides a charging column waterproof test jig which is reasonable in structure, convenient to operate and excellent in sealing performance, solves the problems of the traditional test jig in sealing performance, installation and disassembly, optimizes the design to make the test more efficient and reliable, and meets the needs of modern industry for high-standard waterproof performance test. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall structure schematic diagram of the charging gun waterproof test jig provided by the utility model;

[0016] Figure 2 is Figure 1 the exploded structure schematic diagram of the charging gun waterproof test jig shown in the figure;

[0017] Figure 3 is Figure 1 the partial exploded structure schematic diagram of the charging gun waterproof test jig shown in the figure;

[0018] Figure 4 is Figure 1 the overall structure schematic diagram of the waterproof box shown in the figure.

[0019] In the figure, each reference number represents:

[0020] 1, waterproof box; 11, extension; 101, reserved hole; 102, screw hole; 103, waterproof ring groove; 104, flange; 105, inner cavity; 2, mounting plate; 201, mounting hole; 202, first threaded hole; 203, trachea mounting hole; 3, pressing ring; 301, second threaded hole; 302, screw; 4, luer assembly; 401, nut; 402, waterproof ring; 403, cable; 5, trachea assembly; 501, trachea joint; 502, trachea; 503, blind plug; 6, jig sealing ring.

[0021] The realization, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0022] It should be understood that the specific embodiments described herein are merely intended to explain the utility model, and are not intended to limit the utility model.

[0023] Those skilled in the art can understand that, unless specifically stated, the singular forms "a", "an", "said" and "the" used herein also include the plural forms. It should be further understood that the phrase "comprising" used in the specification of the utility model means that the features, integers, steps, operations, elements, units, modules and / or components exist, but does not exclude the existence or addition of one or more other features, integers, steps, operations, elements, units, modules, components and / or their combinations. It should be understood that when we say that an element is "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or there can be an intermediate element. In addition, "connected" or "coupled" used herein can include wireless connection or wireless coupling. The phrase "and / or" used herein includes all or any unit and all combinations of the associated listed items.

[0024] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as that generally understood by those skilled in the art to which the utility model belongs. It should also be understood that terms such as those defined in general dictionaries should be understood as having meanings consistent with those in the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as such.

[0025] Combined with reference Figures 1-4 , Figure 1 is the overall structure schematic diagram of the charging gun waterproof test jig provided by the utility model, Figure 2 is Figure 1 the exploded structure schematic diagram of the charging gun waterproof test jig shown in the figure, Figure 3 is Figure 1Partial exploded structural schematic view of the charging gun waterproof test jig shown, Figure 4 is Figure 1 Whole structural schematic view of the waterproof box shown.

[0026] The charging gun waterproof test jig is used for waterproof testing of the charging gun, and specifically, is used for waterproof testing of the cable led out from the tail of the charging gun.

[0027] The utility model provides a kind of charging gun waterproof test jig, it includes waterproof box 1, mounting plate 2, pressing ring 3, gran head component 4 and air pipe component 5, the waterproof box 1 is hollow structure with inner chamber 105 being arranged in inside, the mounting plate 2 is connected and fixed with the top of the waterproof box 1, the pressing ring 3 is set on the mounting plate 2, and it is used for locking the mounting plate 2 and the waterproof box 1, mounting hole 201 is set in the mounting plate 2, the gran head component 4 at least partially passes through the mounting hole 201 and is fixed, and the gran head component 4 is used to clamp the cable 403 on the direct current charging gun to be measured;Air pipe mounting hole 203 is provided around the mounting plate 2, and the air pipe component 5 is fixed with the waterproof box 1 by the air pipe mounting hole 203.The tail end of the charging gun to be detected is inserted into the waterproof box 1 by the mounting plate 2, pressing ring 3 and gran head component 4, and then the waterproof performance of the tail end of the charging gun is detected by the air pipe component 5, and the waterproof performance of the charging gun to be detected is rapidly detected by filling air pressure from the air pipe of the air pipe component 5, inflating, pressure maintaining and evaluating leakage amount.

[0028] Specifically, extension 11 is provided on the two sides of the bottom of the waterproof box 1, a reserved hole 101 is provided on the extension 11, and the reserved hole 101 is used for external connection and extraction tool. Before the waterproof box 1 is put into water, the long rope is tied on the reserved hole 101, and then the assembled component is put into water, the long rope is placed outside the water pool (box) for testing, and the long rope is convenient to take out after 0.5h of testing. The charging gun waterproof test jig is more easily taken out by using the long rope to pull.

[0029] Specifically, the waterproof box 1 further includes a waterproof ring groove 103, and the waterproof ring groove 103 is arranged at the connection between the waterproof box 1 and the mounting plate 2. The charging gun waterproof test jig further includes a jig sealing ring 6, and the jig sealing ring 6 is placed in the waterproof ring groove 103. By arranging the waterproof ring groove 103 and the jig sealing ring 6, and adding these sealing components at the connection between the waterproof box 1 and the mounting plate 2, the high sealing property of the whole charging gun waterproof test jig is ensured, and water is prevented from entering the inside during testing, so as to affect the testing result.

[0030] Further, the mounting plate 2 further comprises a first threaded hole 202, the compression ring 3 is provided with a second threaded hole 301, the Luer assembly 4 further comprises a nut 401, the nut 401 is sequentially installed and fixed through the second threaded hole 301 and the first threaded hole 202. The design of the mounting plate 2, the compression ring 3, the Luer assembly 4 and the air pipe assembly 5 makes the installation and disassembly of the whole device more convenient. Through the setting of the threaded hole and the nut 401, the fixing and disassembly can be easily carried out, and the use efficiency of the charging gun waterproof test jig is improved. Preferably, the shape of the mounting plate 2 is the structure of the rear end of the charging gun for testing.

[0031] Specifically, the Luer assembly 4 further comprises a waterproof ring 402 and a cable 403, the cable 403 penetrates the nut 401 and the waterproof ring 402, and the waterproof ring 402 is arranged on the side of the nut 401 close to the mounting hole 201. By setting the Luer assembly 4, it can adapt to different specifications and types of cables, and the universality and adaptability of the charging gun waterproof test jig are improved.

[0032] Specifically, the corresponding positions of the waterproof box 1 and the mounting plate 2 are further provided with screw holes 102, the compression ring 3 is provided with a screw 302, and the screw 302 is connected with the mounting plate 2 and the waterproof box 1 in sequence through the screw holes 102. Through the design of the screw hole 102 and the screw 302, the waterproof box 1 and the mounting plate 2 can be stably fixed together, so that the whole device will not be loose or displaced during the test process, and the accuracy and stability of the test are improved.

[0033] Further, the air pipe assembly 5 comprises an air pipe joint 501, an air pipe 502 and a blind plug 503, the air pipe joint 501 is fixed on the air pipe mounting hole 203, and the air pipe 502 and the blind plug 503 are connected and fixed with the air pipe joint 501 in different use states. The design of the air pipe assembly 5 makes it convenient to connect and disassemble the air pipe in different use states, and increases the flexibility and convenience of the test.

[0034] The Luer assembly 4 is a set of clamping parts sleeved on the charging cable, and the charging gun waterproof test jig is used for testing the protection requirement of the Luer assembly installed on the charging gun box body, so that after the Luer assembly 4 is tightened through the nut 401, the waterproof ring 402 is fully compressed, and the protection function is ensured to meet the requirements. The general protection function of the charging gun is IP54~IP55, and the Luer assembly provided by the utility model can meet the protection level of IP55 and IP67.

[0035] Test method: the said nozzle assembly 4 is passed through the mounting hole 201, wherein the mounting hole 201 is defined in size according to the size of the nozzle, and it is recommended that the charging gun is processed according to the opening size, then the nut 401 is tightened, so that the nozzle assembly 4 is tightly connected with the mounting plate 2, and at the same time, it is ensured that the waterproof ring 402 is effectively compressed to meet the compression requirement. Specifically, one end of the non-finished product cable 403 is sealed with sealant or rubber hot shrink tube to ensure that there is no air leakage; in the finished state, the IP67 water immersion test can be performed without sealing, and the air tightness test can also be performed without sealing, because the connection between the gun head and the cable at the other end of the cable is designed according to IP67, but the parameter setting needs to be fully evaluated after the amount of inflation and the amount of leakage are evaluated. After the nozzle assembly is installed, the mounting plate 2 with the pre-installed air pipe joint 501 and the inserted air pipe 502 is locked on the waterproof box 1.

[0036] The locking method is as follows: the jig sealing ring 6 is placed in the waterproof ring groove 103, the mounting plate 2 is placed on the jig on which the jig sealing ring 6 has been placed, and then the pressing ring 3 is pressed against the mounting plate 2, and the screw 302 is passed through the second threaded hole 301 and the first threaded hole 202 and locked on the threaded hole 102.

[0037] Test method after installation:

[0038] The first kind:

[0039] IPX4~IPX5 test: the air pipe 502 is pulled out, the air pipe joint 501 is plugged with the blind plug 503, and the installed charging gun waterproof test jig and assembly are placed on the test table according to the test method and judgment method of GB4208.

[0040] The second kind:

[0041] Air tightness test IPX7: the gas is introduced through the air pipe 502, the pressure is maintained, and then the leakage is detected to evaluate whether the product is qualified or not;

[0042] The third kind:

[0043] Test IPX7 by immersion method: the blind plug 503 needs to be plugged on the air pipe joint 501, and then the installed assembly is immersed in one meter deep water. Before being put into water, a long rope is tied to the reserved hole 101 at both ends, and then the installed assembly is put into water, the long rope is placed outside the test water tank (box), which is convenient for taking out after 0.5h of testing, and the long rope is used for traction, which is easier to take out the product, and after testing, the judgment method of IPX7 is used for judgment.

[0044] The utility model discloses a gran head assembly 4 is clamped on the fixture for waterproof test, this test designs several modes, can be used for IPX7, IPX6, IPX5 etc.

[0045] Among them, IP level is the protection level of foreign matter invasion for the shell of electrical equipment, mainly measures the dustproof and waterproof ability of electrical equipment, and the level means that it can completely prevent dust invasion, and still keep good working condition under the condition of temporary immersion.

[0046] In general, the technical scheme provides a kind of structure reasonable, it is convenient to operate, and the sealing performance of the charging column waterproof test jig is excellent, the deficiency of traditional test jig in sealing, installation and disassembly is solved, still by optimization design makes test more efficient and reliable, meet the demand of modern industry to high standard waterproof performance test.

[0047] The above only for the preferred embodiment of the utility model, and not therefore limit the patent range of the utility model, all equivalent structures or equivalent process transformations using the contents of the utility model specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A water-proof test jig for a charging gun, characterized by, The waterproof box is a hollow structure with an inner cavity, the mounting plate is connected and fixed with the top of the waterproof box, the pressing ring is arranged on the mounting plate and is used for locking the mounting plate and the waterproof box, a mounting hole is arranged in the middle of the mounting plate, the Luer assembly at least partially penetrates through the mounting hole and is fixed, and the Luer assembly is used for clamping a cable on a test device; a gas pipe mounting hole is arranged around the mounting plate, and the gas pipe assembly is fixed with the waterproof box through the gas pipe mounting hole.

2. The water test fixture for a charging gun according to claim 1, wherein Extension parts are arranged on both sides of the bottom of the waterproof box, and a reserved hole is arranged on the extension part, which is used for externally connecting and taking out a tool.

3. The water test fixture for a charging gun of claim 1, wherein, The waterproof box further comprises a waterproof ring groove arranged at the connection between the waterproof box and the mounting plate.

4. The water test fixture for a charging gun according to claim 3, wherein The waterproof test tool for the charging gun further comprises a tool sealing ring placed in the waterproof ring groove.

5. The water test fixture for a charging gun of claim 1, wherein, The mounting plate further comprises a first threaded through hole, the pressing ring comprises a second threaded through hole, the Luer assembly further comprises a nut, and the nut is sequentially installed and fixed through the second threaded through hole and the first threaded through hole.

6. The water test fixture for a charging gun according to claim 5, wherein The Luer assembly further comprises a waterproof ring and a cable, the cable penetrates through the nut and the waterproof ring, and the waterproof ring is arranged on the side of the nut close to the mounting hole.

7. The water test fixture for a charging gun of claim 1, wherein, Corresponding positions of the waterproof box and the mounting plate further comprise screw holes, and the pressing ring comprises a screw, which is sequentially connected with the mounting plate and the waterproof box through the screw holes.

8. The water test fixture for a charging gun of claim 1, wherein, The gas pipe assembly comprises a gas pipe joint, a gas pipe and a blind plug, the gas pipe joint is fixed on the gas pipe mounting hole, and the gas pipe and the blind plug are connected and fixed with the gas pipe joint in different use states.

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