Bullet-back prevention device for photovoltaic module IV test

Abstract

The utility model relates to the technical field of photovoltaic module detection, in particular to an anti-rebound device for a photovoltaic module IV test. Comprising a bottom plate and a cover plate, the bottom plate is a square plate, an upward round pipe is arranged in the middle of the bottom plate and penetrates through the bottom plate, bolt holes are formed in the four corners of the bottom plate, the cover plate is of a disc structure formed by splicing eight fan-shaped cover plate assemblies of the same structure, and a through hole is formed in the center of the assembled cover plate. A downward arc-shaped step is arranged at the fan-shaped small end of each cover plate assembly, the arc-shaped steps of the eight cover plate assemblies form a round step, a through hole is formed in the middle of the round step, and the cover plate steps are downwards buckled at the upper end of the round pipe of the bottom plate. The two sides of the outer side face of the arc-shaped step of each cover plate assembly are each fixedly provided with a guide column, and two springs are fixed between the two guide columns. A spring fixing hole and a guide column hole which are used for fixing a spring of the cover plate assembly are formed in the inner side wall of the round pipe of the bottom plate, the spring fixing hole, the guide column hole, the spring and the guide column are located in the same plane, and the guide column can move in the guide column hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to the detection technical field of photovoltaic module, especially relate to a bulletproof back device for photovoltaic module IV test. BACKGROUND

[0002] In the production of crystalline silicon photovoltaic module, IV test is an important equipment for measuring the electrical performance of products. With the iteration of products, the performance of the equipment is continuously improved, and the adapter used for electrical performance test is gradually upgraded to a four-wire tool. The tool can realize robot automation operation, reducing the labor intensity and the number of workers. However, during use, when the robot pulls out the terminal connector, the terminal has a rebound phenomenon, causing interference between the terminal and the four-wire tool. When the robot takes away the four-wire tool, the product will be lifted, causing damage to the product or even scrapping.

[0003] The utility model provides a kind of solution, terminal anti-rebound device is installed at tool port, the device is automatically retracted after terminal is pulled out, closes tool port, prevents terminal rebound. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of bulletproof back device for photovoltaic module IV test, so as to effectively solve the problems raised in the background art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a kind of bulletproof back device for photovoltaic module IV test, including bottom plate and cover plate, the bottom plate is square plate, an upward circular tube is provided in the middle of bottom plate and penetrates through bottom plate, the bottom plate is provided with bolt hole in four corners, the cover plate is circular disc structure assembled by eight identical sector cover plate components, a through hole is formed in the center of assembled cover plate, the sector small end of each cover plate component is provided with downward arc step, the arc steps of eight cover plate components form a circular step, the circular step is a through hole, and the cover plate step is buckled on the upper end of the circular tube of the bottom plate.

[0006] Preferably, the outer side of the arc step of each cover plate component is fixed with a guide column on both sides, and a spring is fixed between the two guide columns.

[0007] Preferably, spring fixing hole and guide column hole for fixing the spring of cover plate component are provided on the inner wall of the circular tube of the bottom plate, the spring fixing hole and the guide column hole are in the same plane with the spring and the guide column, and the guide column can move in the guide column hole.

[0008] Preferably, when the cover plate and the bottom plate are assembled together, the outer end of the guide column is located in the guide column hole on the inner wall of the circular tube of the bottom plate, and the cover plate and the bottom plate are connected together.

[0009] Preferably, the arc-shaped steps of the eight cover plate assemblies form a circular step center with a through hole diameter smaller than the diameter of the tester terminal.

[0010] In use, the bottom plate is fixedly installed on the upper side of the equipment test terminal by the bolt, when the terminal of the tester is inserted into the circular hole in the center of the cover plate, the cover plate assembly moves outward, when the terminal is pulled out, the cover plate assembly restores to the original position under the action of the spring, the interference phenomenon between the terminal of the tester and the four-wire tooling can be prevented, when the robot takes away the four-wire tooling, if the product is lifted, the cover plate can also prevent the product from being damaged or even scrapped.

[0011] The utility model has the advantages that the interference phenomenon between the terminal of the tester and the four-wire tooling can be prevented, when the robot takes away the four-wire tooling, if the product is lifted, the cover plate can also prevent the product from being damaged or even scrapped. BRIEF DESCRIPTION OF DRAWINGS

[0012] ATTACHMENT Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0013] ATTACHMENT Figure 2 It is a three-dimensional structure schematic diagram of the utility model after removing three cover plate assemblies.

[0014] ATTACHMENT Figure 3 It is a three-dimensional structure schematic diagram of the cover plate assembly of the utility model.

[0015] ATTACHMENT Figure 1 In figure 3, bottom plate 1, bolt hole 2, cover plate assembly 3, test terminal 4, guide column 5, spring 6, guide column hole 7, spring fixing hole 8. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] ATTACHMENT Figure 1As shown in 3, a bulletproof return device for photovoltaic module IV test comprises a bottom plate and a cover plate, the bottom plate 1 is a square plate, an upward circular tube is arranged in the middle of the bottom plate 1 and penetrates the bottom plate 1, bolt holes 2 are arranged at four corners of the bottom plate, the cover plate is a disc structure assembled by eight fan-shaped cover plate components 3, a through hole is formed in the center of the assembled cover plate 1, a downward arc-shaped step is arranged at the small end of each cover plate component 3, the arc-shaped steps of the eight cover plate components 3 form a circular step, the through hole is in the middle of the circular step, and the step of the cover plate is buckled downward on the upper end of the circular tube of the bottom plate 1.

[0018] Preferably, two guide columns 5 are fixed on both sides of the outer side of the arc-shaped step of each cover plate component 3, and a spring 6 is fixed in the middle of the two guide columns, and the spring and the guide column are located in a same plane.

[0019] Preferably, spring fixing holes 8 and guide column holes 7 for fixing the springs of the cover plate components 3 are arranged on the inner side wall of the circular tube of the bottom plate 1, the spring fixing holes 8 and the guide column holes 7 are in the same plane as the springs 6 and the guide columns 5, and the guide columns 5 can move in the guide column holes 7.

[0020] Preferably, when the cover plate and the bottom plate 1 are assembled together, the outer ends of the guide columns are located in the guide column holes 7 on the inner side wall of the circular tube of the bottom plate 1, and the cover plate and the bottom plate are connected together.

[0021] Preferably, the diameter of the through hole in the center of the circular step formed by the arc-shaped steps of the eight cover plate components 3 is smaller than the diameter of the terminal of the tester.

[0022] In use, the bulletproof return device is fixed and installed on the upper side of the test terminal 4 of the equipment by bolts, when the terminal of the tester is inserted into the circular hole in the center of the cover plate, the cover plate components 3 move outward, when the terminal is pulled out, the cover plate components 3 return to the original position under the action of the springs, and the interference phenomenon between the terminal of the tester and the four-wire tooling can be prevented, and when the robot takes away the four-wire tooling, if the product is lifted, the cover plate can also prevent damage to the product and even scrap.

[0023] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A ballistic return device for photovoltaic module IV testing, characterized by: It includes the bottom plate and cover plate, the bottom plate is square plate, set up a upward circular tube in the middle of bottom plate, the bottom plate four corners are provided with bolt hole, the cover plate is by eight identical fan-shaped cover plate assembly assembled into disc structure, the center of assembled cover plate forms a through hole, the fan-shaped small end of each cover plate assembly is provided with downward arc step, the arc steps of eight cover plate assemblies form a circular step, the center of circular step is through hole, the cover plate step is downward buckled on the upper end of the circular tube of bottom plate.

2. The anti-bounce device for IV testing of photovoltaic modules according to claim 1, characterized in that: The outer side of the arc step of each cover plate assembly is fixed with a guide column, and a spring is fixed between the two guide columns.

3. The anti-bounce device for IV testing of photovoltaic modules according to claim 1, wherein: The inner side wall of the circular tube of the bottom plate is provided with spring fixing hole and guide column hole for fixing the spring of the cover plate assembly, and the spring fixing hole and the guide column hole are in the same plane with the spring and the guide column.

4. The anti-bounce device for IV testing of photovoltaic modules according to claim 1, wherein: When the cover plate and the bottom plate are assembled together, the outer end of the guide column is located in the guide column hole on the inner side wall of the circular tube of the bottom plate, and the cover plate and the bottom plate are connected together.

5. The anti-bounce device for IV testing of photovoltaic modules according to claim 1, wherein: The diameter of the through hole in the center of the circular step formed by the arc steps of the eight cover plate assemblies is smaller than the diameter of the terminal of the tester.

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