Withstand voltage tester for power supply

Abstract

The utility model relates to the field of testers, and discloses a withstand voltage tester for a power supply, which comprises an outer shell, an air supply pipe is fixedly connected in the outer shell, a fan is fixedly connected on the inner wall of the air supply pipe, a filter cover is in threaded connection on the outer wall of the air supply pipe, a dust collection plate is slidably connected in the outer shell, and a dust collection cover is fixedly connected on the inner wall of the dust collection plate. The outer wall of the dust collection plate is fixedly connected with a son buckle, the interior of the outer shell is fixedly connected with a mother buckle, the son buckle and the mother buckle are assembled in a clamped mode, the top of the outer shell is slidably connected with a sliding rod, and a buffer spring is arranged in the sliding rod. According to the tester, the problems that a traditional tester is difficult to efficiently dissipate heat and buffer external force, and the performance and the service life of the tester are affected are solved, and the effects of efficiently dissipating heat, improving the use performance of the tester, buffering the external force, preventing the tester from being damaged and prolonging the service life of the tester are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tester especially relates to be used for power supply's withstand voltage tester. BACKGROUND

[0002] The power supply is a kind of device for providing stable power for electronic equipment, it can convert the input AC into the required DC, ensure the normal work of electronic equipment. In the process of using power supply, in order to guarantee its stability and safety, it needs to use withstand voltage tester to detect. Withstand voltage tester is a kind of professional testing equipment, can effectively withstand voltage test to power supply, to prevent it from causing failure or damage because of unstable voltage. Therefore, withstand voltage tester plays a vital role in the process of using power supply

[0003] The conventional power supply withstand voltage tester, when using, first needs to connect the test point of power supply with the output end of tester, then sets the voltage value of tester to predetermined test voltage. Next, open tester, and ensure that power supply works stably under test voltage by adjusting test time. In the test process, observe whether breakdown or damage phenomenon appears to power supply.

[0004] The above power supply withstand voltage tester, in the process of running, electronic component will carry out current exchange after being powered on, will generate certain heat, is difficult to carry out efficient heat dissipation and lead to the temperature rise in tester interior, influence its performance and life, and it is difficult to buffer external force also can cause certain influence to tester, shorten the service life of tester. UTILITY MODEL CONTENTS

[0005] In order to make up for the above insufficient, the utility model provides a withstand voltage tester for power supply, to improve the problem that conventional tester is difficult to efficiently dissipate heat and buffer external force, lead to the temperature of tester interior being too high, influence its performance and life.

[0006] To achieve the above object, the utility model provides the following technical scheme: a withstand voltage tester for power supply, including shell body, the inside fixed connection of shell body has the air supply pipe, the inner wall fixed connection of air supply pipe has the fan, the outer wall screw thread connection of air supply pipe has filter cover, the inside sliding connection of shell body has dust collecting plate, the outer wall fixed connection of dust collecting plate has the sub buckle, the inside fixed connection of shell body has the female buckle, the sub buckle is assembled with female buckle and is connected, the top sliding connection of shell body has slide rod, the inside of slide rod is provided with buffer spring, one end of buffer spring is fixedly connected with support plate, the top fixed connection of slide rod has top plate, the inside of shell body is equipped with exhaust hole, the inside of shell body is provided with opening and closing assembly.

[0007] Further, the opening and closing assembly comprises a baffle, an outer wall of the baffle is slidingly connected to an inner wall of the outer shell body, and a hinge is fixedly connected to an outer wall of the baffle.

[0008] Further, an inner portion of the outer shell body is fixedly connected with a support, and an upper surface of the support is provided with a detection head.

[0009] Further, an inner portion of the outer shell body is rotatably connected with a wire roller, an outer wall of the wire roller is provided with a wire harness, and the wire harness is connected to the detection head.

[0010] Further, an inner portion of the wire roller is fixedly connected with a fixing rod, both ends of the fixing rod are rotatably connected with a base, and an outer wall of the base is fixedly connected to an inner portion of the outer shell body.

[0011] Further, an inner portion of the base is slidingly connected with a push rod, one side of an outer wall of the push rod is slidingly connected to an inner portion of the outer shell body, and the other side of the outer wall of the push rod is sleeved with a telescopic spring.

[0012] Further, one end of the telescopic spring is fixedly connected with a clamping plate, and the other end of the telescopic spring is fixedly connected to an inner portion of the base.

[0013] Further, one side of an outer wall of the fixing rod is sleeved with a torsion spring, one end of the torsion spring is fixedly connected to an inner portion of the wire roller, and the other end of the torsion spring is fixedly connected to an inner portion of the base.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, first, the fan is started to cooperate with the air supply pipe to suck external air into the tester, then the filter cover, the sub-buckle, the female buckle, the ventilation hole and the dust collecting plate are used to filter the air, then the top plate, the sliding rod, the buffer spring and the supporting plate are used to buffer the external force, thereby solving the problems of the traditional tester, such as difficult heat dissipation and buffering of the external force, affecting the performance and service life, achieving efficient heat dissipation to improve the use performance of the tester, buffering the external force, preventing the tester from being damaged and prolonging the service life.

[0016] 2. In the utility model, first, the baffle cooperates with the hinge to conveniently open and close, then the push rod is pulled to drive the clamping plate to move and cooperate with the telescopic spring to fix and release the wire roller, then the detection head is taken out to drive the wire harness to move, thereby driving the wire roller to rotate, and then the torsion spring is reversed and rotated, the wire harness is wound, the wire harness is wound, the wire harness is automatically wound after the test is completed, no extra space is occupied, external damage is avoided, and the service life of the wire harness is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective view of a withstand voltage tester for a power supply according to the present application is shown in the figure;

[0018] Figure 2 A top plate structure schematic view of a withstand voltage tester for a power supply according to the present application is shown in the figure;

[0019] Figure 3 A shell structure schematic view of a withstand voltage tester for a power supply according to the present application is shown in the figure;

[0020] Figure 4 A Figure 3 A close-up view of A;

[0021] Figure 5 A detection head structure schematic view of a withstand voltage tester for a power supply according to the present application is shown in the figure;

[0022] Figure 6 A base structure schematic view of a withstand voltage tester for a power supply according to the present application is shown in the figure;

[0023] Figure 7 A wire roller structure schematic view of a withstand voltage tester for a power supply according to the present application is shown in the figure.

[0024] Legend:

[0025] 1, shell; 2, air supply pipe; 3, fan; 4, filter cover; 5, dust collection plate; 6, male buckle; 7, female buckle; 8, slide bar; 9, buffer spring; 10, support plate; 11, top plate; 12, air outlet hole; 13, baffle; 14, hinge; 15, detection head; 16, support; 17, wire roller; 18, wire harness; 19, fixed rod; 20, base; 21, clamping plate; 22, extension spring; 23, push rod; 24, torsion spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Reference Figure 2 - Figure 4The utility model provides a kind of embodiment for power supply's withstand voltage tester, including shell body 1, the inside fixed connection of shell body 1 has air supply pipe 2, the inner wall fixed connection of air supply pipe 2 has fan 3, the outer wall of air supply pipe 2 is threadedly connected with filter cover 4, the inside sliding connection of shell body 1 has dust collection plate 5, the outer wall fixed connection of dust collection plate 5 has sub buckle 6, the inside fixed connection of shell body 1 has female buckle 7, sub buckle 6 is engaged with female buckle 7 assembly, the top sliding connection of shell body 1 has slide 8, the inside of slide 8 is provided with buffer spring 9, one end fixed connection of buffer spring 9 has support plate 10, the top fixed connection of slide 8 has top plate 11, the inside of shell body 1 is equipped with exhaust hole 12, the inside of shell body 1 is provided with open-close component;

[0028] Specifically, first start fan 3, absorb external air, air is guided into the inside of shell body 1 by air supply pipe 2, in this process, air will first pass through filter cover 4, filter cover 4 is closely connected with air supply pipe 2 by the thread on its outer wall, so that filter cover 4 can be easily removed for cleaning or replacement, to ensure the durability of its filtering effect, next will pass through dust collection plate 5, dust collection plate 5 further captures and filters dust and impurities in air, when dust collection plate 5 accumulates a certain dust, can be pulled by dust collection plate 5, so that the sub buckle 6 on it slides out from the inner wall of female buckle 7, so that dust collection plate 5 is easily removed for cleaning, not only facilitate maintenance, but also can effectively prolong the service life of shell body 1, after two filtering, air is finally discharged through exhaust hole 12, realizes the heat dissipation effect of the inside of shell body 1, in addition, the top of shell body 1 is also provided with top plate 11, blocks the heavy object or water flow falling from above, when heavy object or water flow hits top plate 11, slide 8 will slide on the top of shell body 1, in this process, buffer spring 9 will contract between slide 8 and support plate 10, thereby effectively buffering the impact of external force, not only protects shell body 1 from being damaged, but also further enhances the overall stability and service life of the tester.

[0029] Refer to Figure 1 - Figure 3 Open-close component includes baffle 13, the outer wall sliding connection of baffle 13 is in the inner wall of shell body 1, the outer wall fixed connection of baffle 13 has hinge 14, the outer wall fixed connection of hinge 14 is in the outer wall of shell body 1, the inside fixed connection of shell body 1 has support 16, the upper surface of support 16 is provided with detection head 15;

[0030] Specifically, through the rotation of baffle 13 in open-close component cooperation hinge 14, so that shell body 1 can be opened cooperation support 16 to detection head 15 is taken and placed.

[0031] Refer to Figure 5 - Figure 7The inner part of the outer shell body 1 is rotationally connected with a wire roller 17, the outer wall of the wire roller 17 is provided with a wire harness 18, the wire harness 18 is connected with the detection head 15, the inner part of the wire roller 17 is fixedly connected with a fixed rod 19, the two ends of the fixed rod 19 are rotationally connected with a base 20, the outer wall of the base 20 is fixedly connected in the inner part of the outer shell body 1, the inner part of the base 20 is slidably connected with a push rod 23, one side of the outer wall of the push rod 23 is slidably connected in the inner part of the outer shell body 1, the other side of the outer wall of the push rod 23 is sleeved with a telescopic spring 22, one end of the telescopic spring 22 is fixedly connected with a clamping plate 21, the other end of the telescopic spring 22 is fixedly connected in the inner part of the base 20, one side of the outer wall of the fixed rod 19 is sleeved with a torsion spring 24, one end of the torsion spring 24 is fixedly connected in the inner part of the wire roller 17, the other end of the torsion spring 24 is fixedly connected in the inner part of the base 20;

[0032] Specifically, first pull the push rod 23, which will drive the clamping plate 21 to slide in the inner part of the base 20, with the movement of the clamping plate 21, the telescopic spring 22 begins to contract, when the clamping plate 21 is no longer clamped with one end of the fixed rod 19, the detection head 15 can be easily taken out from the fixed position, after taking out the detection head 15, the wire harness 18 connected therewith can be pulled for detection, the movement of the wire harness 18 will drive the wire roller 17 to rotate between the two bases 20, in this process, the torsion spring 24 begins to reverse, storing potential energy, after moving the detection head 15 to the specified position, the push rod 23 can be released, at this time the telescopic spring 22 begins to rebound, pushing the clamping plate 21 to the inner part of the fixed rod 19, so as to realize the fixation of the fixed rod 19, not only facilitates the detection operation, but also ensures the stability in the detection process, after the detection is completed, the push rod 23 is pulled again, in this process, the torsion spring 24 which stores potential energy begins to release energy, driving the wire roller 17 to rotate back, with the rotation back of the wire roller 17, the wire harness 18 is rewound on the outer wall of the wire roller 17, realizing the neat arrangement of the data line.

[0033] Working principle: when the voltage tester with power supply needs to be used, first start the fan 3 to absorb the external air through the air supply pipe 2 and discharge it into the inner part of the outer shell body 1, in this process, first filter the air by the filter cover 4, because the threads on the outer wall of the air supply pipe 2 match the filter cover 4, so the filter cover 4 can be easily taken down for cleaning or replacement, then when the air passes through the air supply pipe 2, the dust collecting plate 5 in the inner part of the outer shell body 1 will further filter the air, then by pulling the dust collecting plate 5, the sub buckle 6 slides out of the inner wall of the female buckle 7, so that the dust collecting plate 5 can be taken out for cleaning, finally, through the exhaust hole 12, the effect of heat dissipation is realized, then when the weight or water flow falls on the top of the outer shell body 1, it is blocked by the top plate 11, at the same time, it will drive the sliding rod 8 to slide on the top of the outer shell body 1, at this time, the buffer spring 9 will contract between the sliding rod 8 and the supporting plate 10, so as to buffer the external force, achieving the effect of protecting the outer shell body 1 and increasing the service life of the tester.

[0034] In addition, the baffle 13 can be easily opened by the hinge 14, then pull the push rod 23, so that the clamping plate 21 slides in the inside of the base 20, and the retractable spring 22 is retracted, at this time the clamping plate 21 is no longer clamped with one end of the fixed rod 19, then the detection head 15 can be taken out to pull the wire harness 18 for detection, through the movement of the wire harness 18, so that the wire roller 17 rotates between the two bases 20, and the torsion spring 24 is reversed, when the detection head 15 moves to the specified position, release the push rod 23, at this time the clamping plate 21 is pushed into the inside of the fixed rod 19 by the rebound of the retractable spring 22, the fixed rod 19 is fixed, so as to facilitate detection, after the detection is completed, pull the push rod 23 again, at this time the torsion spring 24 is no longer stressed to reverse, so that the wire harness 18 is rewound on the outer wall of the wire roller 17, the effect of data line arrangement is realized.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A voltage withstand tester for power supplies comprising an outer housing (1), characterised in that: The inner part of the outer shell (1) is fixedly connected with a air supply pipe (2), the inner wall of the air supply pipe (2) is fixedly connected with a fan (3), the outer wall of the air supply pipe (2) is threadedly connected with a filter cover (4), the inner part of the outer shell (1) is slidably connected with a dust collecting plate (5), the outer wall of the dust collecting plate (5) is fixedly connected with a sub buckle (6), the inner part of the outer shell (1) is fixedly connected with a female buckle (7), the sub buckle (6) is connected with the female buckle (7), the top of the outer shell (1) is slidably connected with a slide rod (8), the inner part of the slide rod (8) is provided with a buffer spring (9), one end of the buffer spring (9) is fixedly connected with a supporting plate (10), the top of the slide rod (8) is fixedly connected with a top plate (11), the inner part of the outer shell (1) is provided with an opening and closing assembly.

2. The withstanding voltage tester for power supply according to claim 1, characterized in that: The opening and closing assembly comprises a baffle (13), the outer wall of the baffle (13) is slidably connected with the inner wall of the outer shell (1), the outer wall of the baffle (13) is fixedly connected with a hinge (14), the outer wall of the hinge (14) is fixedly connected with the outer wall of the outer shell (1).

3. The voltage withstanding tester for power supply according to claim 1, wherein: The inner part of the outer shell (1) is fixedly connected with a support (16), the upper surface of the support (16) is provided with a detection head (15).

4. The withstanding voltage tester for power supply according to claim 3, characterized in that: The inner part of the outer shell (1) is rotatably connected with a wire roller (17), the outer wall of the wire roller (17) is provided with a wire harness (18), the wire harness (18) is connected with the detection head (15).

5. The voltage withstanding tester for power supply according to claim 4, wherein: The inner part of the wire roller (17) is fixedly connected with a fixed rod (19), both ends of the fixed rod (19) are rotatably connected with a base (20), the outer wall of the base (20) is fixedly connected with the inner part of the outer shell (1).

6. The voltage withstanding tester for power supply according to claim 5, wherein: The inner part of the base (20) is slidably connected with a push rod (23), one side of the outer wall of the push rod (23) is slidably connected with the inner part of the outer shell (1), the other side of the outer wall of the push rod (23) is sleeved with a telescopic spring (22).

7. The voltage withstanding tester for power supply according to claim 6, wherein: One end of the telescopic spring (22) is fixedly connected with a clamping plate (21), the other end of the telescopic spring (22) is fixedly connected with the inner part of the base (20).

8. The voltage withstanding tester for power supply according to claim 5, wherein: One side of the outer wall of the fixed rod (19) is sleeved with a torsion spring (24), one end of the torsion spring (24) is fixedly connected with the inner part of the wire roller (17), the other end of the torsion spring (24) is fixedly connected with the inner part of the base (20).

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