CN114112209A - Photovoltaic module junction box testing device and testing method thereof - Google Patents
Photovoltaic module junction box testing device and testing method thereof Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 122
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000011056 performance test Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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Abstract
The invention belongs to the technical field of junction box testing, and particularly relates to a photovoltaic module junction box testing device which comprises a supporting table, wherein the top of the supporting table is connected with a testing box, a first connecting pipe and a second connecting pipe are sequentially arranged on one side of the testing box from front to back, the first connecting pipe and the second connecting pipe are respectively communicated with the inside of the testing box, the back of the supporting table is connected with a first rotating rod, and the surface of the first rotating rod is rotatably connected with an L-shaped supporting plate. The invention drives the junction box positioned in the fixing assembly to enter the test box for cold water or hot water test through the electric push rod, can test under the condition of different water temperatures, can improve the test accuracy of the junction box, and replaces the problem of long-time fatigue under the condition that the junction box is manually pressed to be soaked in the cold water state in the test box or the problem of inconvenient waterproof test under the hot water state through positioning the junction box in the fixing assembly.
Description
Technical Field
The invention relates to the technical field of junction box testing, in particular to a photovoltaic module junction box testing device and a testing method thereof.
Background
In the field of photovoltaic power generation, the junction box mainly plays a role in connecting and protecting a photovoltaic module and transmitting current generated by the photovoltaic module. Conventional photovoltaic module junction boxes are all provided with cables. Most photovoltaic module is in transportation, handling, because sealing performance is not good for steam or other vapor that contain corrosive substance enter the inside of photovoltaic module terminal box along the gap of terminal box and cable junction extremely easily, thereby cause the corruption to interior component and even lead to the electric leakage. The infiltration of this kind of steam brings potential danger to the overall performance and the safety of photovoltaic module in the product use, therefore the terminal box when producing, need test the waterproof performance of terminal box.
When the existing junction box is used for a waterproof test, firstly, an end cover of the junction box is opened and a dry paper towel is put in the end cover, then the end cover is sealed, the junction box is put in a test box filled with cold water in a manual mode to be soaked for a period of time, then the junction box is taken out of the test box, the end cover in the test box is opened, the condition that the paper towel in the junction box is soaked is observed, and the waterproof performance of the junction box is judged, the mode can cause certain fatigue when the junction box is pressed in the test box for a long time, the tested water temperature condition is too single, so the test accuracy of the junction box is reduced, although a certain test device is used for performing the waterproof test on the junction box, the junction box is basically positioned in a fixed assembly, then the junction box is tested in a water spraying mode, the mode occupies too much space, and wastes much water resources, and limited in practicality. Therefore, the invention provides a photovoltaic module junction box testing device and a testing method thereof.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a photovoltaic module junction box testing device and a testing method thereof, and solves the problem that the existing junction box is manually pressed to be soaked in cold water in a testing box for a long time and is inconvenient to carry out waterproof testing in a hot water state.
(II) technical scheme
The invention specifically adopts the following technical scheme for realizing the purpose:
a photovoltaic module junction box testing device comprises a supporting table, a testing box is connected to the top of the supporting table, a first connecting pipe and a second connecting pipe are sequentially arranged on one side of the test box from front to back, the first connecting pipe and the second connecting pipe are respectively communicated with the inside of the test box, the back of the supporting platform is connected with a first rotating rod, the surface of the first rotating rod is rotatably connected with an L-shaped supporting plate, the L-shaped supporting plate is contacted with one surface of the supporting platform opposite to the L-shaped supporting plate, the L-shaped supporting plate can do circular linear motion along the back surface of the supporting platform through the first rotating rod, the bottom of the L-shaped supporting plate is provided with a limiting component which is arranged on the surface of the supporting platform, an electric push rod is installed at the top of the L-shaped supporting plate, the output end of the electric push rod is connected with a fixing component used for clamping the junction box, and the fixing component is located right above the top of the testing box.
Furthermore, the first connecting pipe and the second connecting pipe are respectively installed on one side of the test box, are consistent in height, same in shape and size, and are used for respectively conveying externally-connected cold water or externally-connected hot water to the inside of the test box.
Further, the limiting assembly comprises a second rotating rod, the surface of the second rotating rod is connected between the top of the supporting table and the inner top wall through a bearing, the top end of the second rotating rod is connected with a second circular handle, external threads are arranged on the surface of the second rotating rod, the second rotating rod is connected with a movable plate through external threads and threads, the movable plate is located below the inner top wall of the supporting table, the inner wall of the supporting table is provided with a communicated movable track, the inner wall of the movable track is connected with the surface of the movable plate in a sliding mode, and one side, extending to the movable track, of the movable plate is connected with a U-shaped clamping seat.
Furthermore, the bottoms of the U-shaped clamping seat and the L-shaped supporting plate correspond to each other, one face, opposite to the supporting table, of the U-shaped clamping seat is attached to each other, and the inner wall of the U-shaped clamping seat is clamped with the bottom of the L-shaped supporting plate in a clamped mode.
Further, fixed subassembly includes the concave template, the opening direction of concave template is vertical downwards, the inside wall threaded connection of concave template has the lead screw of two symmetries, the lead screw extends to the one end of concave template inside wall and is connected with circular grip block, the lead screw extends to the one end of concave template surface and is connected with first circular handle.
Further, the top of test box is established to the shape of opening form and test box for the square, the bottom intercommunication of test box has drain pipe and drain pipe to extend to a supporting bench's interior roof below, the surface mounting of drain pipe has the solenoid valve, one side of a supporting bench is equipped with the spacing groove of intercommunication.
The invention also provides a testing method of the photovoltaic module junction box testing device, which comprises the following steps:
step A, firstly opening an end cover of the junction box, placing a dry paper towel in the junction box, then sealing the end cover again, when the junction box is tested, the L-shaped support plate is in a vertical state, and the fixing component below the bottom wall in the L-shaped support plate is positioned right above the test box, so that the junction box can be placed between the inner side walls of the concave plates, and when two circular clamping plates which are correspondingly connected with one ends of the two lead screws respectively approach to each other through rotating the two lead screws, the two circular clamping plates clamp the two sides of the junction box mutually, so that the junction box can be positioned between the inner side walls of the concave plates;
step B, when the junction box is tested in a cold water state, the external cold water is conveyed into the test box through the first connecting pipe, when the water in the test box rises to two thirds of the water in the test box, the cold water is stopped from being input, finally, the junction box positioned in the fixing assembly is driven by the electric push rod to do vertical downward linear motion, the junction box enters the cold water in the test box and is soaked for a period of time, then the electric push rod drives the junction box positioned in the fixing assembly to do vertical upward linear motion, so that the junction box is positioned right above the test box, and the end cover of the junction box is not limited, so that the end cover of the junction box can be directly opened, dry tissues in the junction box are observed to be wetted by the water, and the waterproof performance of the junction box in the cold water state is judged;
and step C, when the junction box is tested in a hot water state, discharging the hot water in the test box through a drain pipe, connecting the hot water outside through a second connecting pipe, conveying the hot water to the inside of the test box, wherein the water level is also two thirds of the water level in the test box, and then testing according to the operation in the step B to judge the waterproof performance of the junction box in the hot water state.
(III) advantageous effects
Compared with the prior art, the invention provides a photovoltaic module junction box testing device and a testing method thereof, and the photovoltaic module junction box testing device has the following beneficial effects:
1. according to the invention, the junction box positioned in the fixing assembly is driven by the electric push rod to enter the test box for cold water or hot water test, the test can be carried out under the condition of different water temperatures, the test accuracy of the junction box can be improved, and the problem that the waterproof test is inconvenient to carry out under the condition that the junction box is manually pressed and soaked in cold water in the test box for a long time or under the condition of hot water is replaced by the positioning of the junction box in the fixing assembly.
2. According to the invention, the L-shaped support plate drives the fixing component to be horizontally folded on the back surface of the support table under the rotation of the first rotating rod, so that the occupied space above the top of the support table is reduced, and the practicability is wider compared with the existing test device with large occupied space.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of a connection structure of a supporting platform and a limiting assembly according to the present invention;
FIG. 4 is a top cross-sectional view of the test chamber of the present invention;
FIG. 5 is a view showing the connection between the fixing member and the electric push rod according to the present invention.
In the figure: 1. a support table; 2. a test box; 3. a first connecting pipe; 4. a second connecting pipe; 5. a first rotating lever; 6. an L-shaped support plate; 7. a limiting component; 701. a second rotating rod; 702. a second circular handle; 703. an external thread; 704. moving the plate; 705. a moving track; 706. a U-shaped card seat; 8. an electric push rod; 9. a fixing assembly; 901. a concave plate; 902. a screw rod; 903. a circular clamping plate; 904. a second circular handle; 10. a drain pipe; 11. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 and 2, a photovoltaic module junction box testing device according to an embodiment of the present invention includes a supporting table 1, a testing box 2 is connected to the top of the supporting table 1, a first connecting pipe 3 and a second connecting pipe 4 are sequentially disposed on one side of the testing box 2 from front to back, the first connecting pipe 3 and the second connecting pipe 4 are respectively communicated with the inside of the testing box 2, a first rotating rod 5 is connected to the back of the supporting table 1, an L-shaped supporting plate 6 is rotatably connected to the surface of the first rotating rod 5, one surface of the L-shaped supporting plate 6 opposite to the supporting table 1 is in contact with each other, the L-shaped supporting plate 6 can make a circular linear motion along the back of the supporting table 1 through the first rotating rod 5, a limiting assembly 7 is disposed at the bottom of the L-shaped supporting plate 6, the limiting assembly 7 is disposed on the surface of the supporting table 1, an electric push rod 8 is mounted at the top of the L-shaped supporting plate 6, an output end of the electric push rod 8 is connected to a fixing assembly 9 for clamping, the fixing component 9 is positioned right above the top of the test box 2, the L-shaped support plate 6 is rotated on the surface of the first rotating rod 5, the purpose is to enable the L-shaped support plate 6 to be capable of doing horizontal 90-degree circular linear motion along the back surface of the support table 1 when the device is not used, the L-shaped support plate 6 can be folded and connected with the back surface of the support table 1, the fixing component 9 at the moment is positioned on the right side of the support table 1 and can extend into the inner part of the limit groove 11 under the pushing of the electric push rod 8, the diameter of the inner wall of the limit groove 11 is designed according to the shape and size of the fixing component 9, and therefore the L-shaped support plate 6 can be stably positioned and connected with the back surface of the support table 1.
As shown in fig. 2, in some embodiments, the first connecting pipe 3 and the second connecting pipe 4 are respectively installed at one side of the test box 2 at the same height and have the same shape and size, the first connecting pipe 3 and the second connecting pipe 4 are used for respectively conveying externally connected cold water or externally connected hot water to the inside of the test box 2, and the first connecting pipe 3 and the second connecting pipe 4 are respectively communicated with the inside of the test box 2, so that the first connecting pipe 3 can input external cold water into the inside of the test box 2 or the second connecting pipe 4 can input external hot water into the inside of the test box 2, which facilitates the junction box to respectively perform waterproof performance tests in a cold water state or a hot water state.
As shown in fig. 3 and 4, in some embodiments, the limiting assembly 7 includes a second rotating rod 701, a surface of the second rotating rod 701 is connected between the top and the inner top wall of the supporting table 1 through a bearing, a second circular handle 702 is connected to a top end of the second rotating rod 701, an external thread 703 is provided on a surface of the second rotating rod 701, the second rotating rod 701 is connected to a moving plate 704 through the external thread 703, the moving plate 704 is located below the inner top wall of the supporting table 1, a moving track 705 is provided on an inner wall of the supporting table 1, an inner wall of the moving track 705 is slidably connected to a surface of the moving plate 704, a U-shaped clamping seat 706 is connected to a side of the moving plate 704 extending to the moving track 705, when the U-shaped clamping seat 706 is attached to the back surface of the supporting table 1 to perform linear motion vertically upward or vertically downward, only the second rotating rod 701 needs to be rotated, and because the external thread 703 provided on the surface of the second rotating rod 701 is connected to an internal thread of the moving plate 704, therefore, when the second rotating rod 701 rotates, according to the rotating direction of the second rotating rod 701, the moving plate 704 is limited by the inner wall of the moving track 705, the moving plate 704 moves vertically upwards or vertically downwards at the external threads 703 arranged on the surface of the second rotating rod 701, so that the U-shaped clamping seat 706 can be adjusted up and down, when the inner wall of the U-shaped clamping seat 706 contacts with the bottom of the L-shaped supporting plate 6, the L-shaped supporting plate 6 is in a vertically upwards state at the moment, when the inner wall of the U-shaped clamping seat 706 does not contact with the bottom of the L-shaped supporting plate 6, the L-shaped supporting plate 6 is in a horizontally and vertically state at the moment, and the fixing component 9 is located in the limiting groove 11, so that the L-shaped supporting plate 6 can be stably placed horizontally.
As shown in fig. 4, in some embodiments, the U-shaped clamping seat 706 corresponds to the bottom of the L-shaped supporting plate 6, the opposite surfaces of the U-shaped clamping seat 706 and the supporting platform 1 are attached to each other, the inner wall of the U-shaped clamping seat 706 is clamped to the bottom of the L-shaped supporting plate 6, wherein the U-shaped clamping seat 706 is designed according to the shape of the bottom of the L-shaped supporting plate 6 and can also be changed according to the shape of the bottom of the L-shaped supporting plate 6, when the inner wall of the U-shaped clamping seat 706 contacts with the bottom of the L-shaped supporting plate 6, the U-shaped clamping seat 706 can prevent the L-shaped supporting plate 6 from rotating through the first rotating rod 5, so as to support and limit the L-shaped supporting plate 6 to a certain extent.
As shown in fig. 5, in some embodiments, the fixing assembly 9 includes a concave plate 901, an opening direction of the concave plate 901 is vertical and downward, two symmetrical lead screws 902 are connected to an inner side wall of the concave plate 901 through threads, one end of each lead screw 902 extending to the inner side wall of the concave plate 901 is connected with a circular clamping plate 903, one end of each lead screw 902 extending to the outer surface of the concave plate 901 is connected with a first circular handle 904, when the junction box is tested, the fixing assembly 9 can be used for fixing the junction box, the junction box drives the two corresponding circular clamping plates 903 to clamp two sides of the concave plate 901 through rotation of the two lead screws 902, so that the junction box can be positioned between the inner side walls of the concave plate 901, when the junction box is tested in a hot water state, the junction box positioned in the fixing assembly 9 only needs to be pushed by the electric push rod 8 to enter hot water filled inside the test box 2 for testing, the purpose is to avoid the problem of the terminal box being manually pressed in the hot water inside the test box 2.
As shown in fig. 2 and 3, in some embodiments, the top of the testing box 2 is open and the testing box 2 is square, the bottom of the testing box 2 is connected with a drain pipe 10, the drain pipe 10 extends to the lower part of the inner top wall of the supporting platform 1, a solenoid valve is mounted on the surface of the drain pipe 10, one side of the supporting platform 1 is provided with a connected limiting groove 11, wherein the L-shaped supporting plate 6 is horizontally arranged according to the length of the back surface of the supporting platform 1, in order to enable the L-shaped supporting plate 6 to be horizontally arranged on the back surface of the supporting platform 1 when the fixing component 9 does not need to clamp the splice box, and the limiting groove 11 can enable the fixing component 9 below the inner top wall of the L-shaped supporting plate 6 to be pushed by the electric push rod 8 when the L-shaped supporting plate 6 is horizontally vertical, so that the fixing component 9 can be located in the limiting groove 11, can guarantee the stability that L type backup pad 6 level was placed, such design mainly reduces the occupation space of brace table 1 top.
The invention also provides a testing method of the photovoltaic module junction box testing device, which comprises the following steps:
step A, firstly, opening an end cover of the junction box, placing a dry paper towel in the junction box, then sealing the end cover again, when the junction box is tested, the L-shaped support plate 6 is in a vertical state, and the fixing component 9 below the bottom wall of the L-shaped support plate 6 is positioned right above the test box 2, so that the junction box can be placed between the inner side walls of the concave plate 901, and by rotating the two lead screws 902, when two circular clamping plates 903 which are correspondingly connected with one ends of the two lead screws 902 respectively approach to each other, the two circular clamping plates 903 clamp the two sides of the junction box mutually, so that the junction box can be positioned between the inner side walls of the concave plate 901;
step B, when the junction box is tested in a cold water state, the cold water connected with the outside through the first connecting pipe 3 is conveyed to the inside of the test box 2, when the water in the test box 2 rises to two thirds of the water in the test box 2, the input of cold water is stopped, and finally, the junction box positioned in the fixing component 9 is driven by the electric push rod 8 to do vertical and downward linear motion and enter the cold water in the test box 2 to be soaked for a period of time, then the electric push rod 8 drives the junction box positioned in the fixing component 9 to do vertical and upward linear motion, so that the junction box is positioned right above the test box 2, because the end cover of the junction box has no limit, therefore, the end cover of the junction box can be directly opened, whether dry tissues in the junction box are wetted by water or not is observed, and the waterproof performance of the junction box in a cold water state is further judged;
and step C, when the junction box is tested in a hot water state, discharging the hot water in the test box 2 through the drain pipe 10, then connecting the hot water outside through the second connecting pipe 4, conveying the hot water to the inside of the test box 2, wherein the water level is also two thirds of the water level in the test box 2, and then testing according to the operation in the step B to judge the waterproof performance of the junction box in the hot water state.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a photovoltaic module terminal box testing arrangement, includes brace table (1), its characterized in that: the top of the supporting table (1) is connected with a testing box (2), one side of the testing box (2) is sequentially provided with a first connecting pipe (3) and a second connecting pipe (4) from front to back, the first connecting pipe (3) and the second connecting pipe (4) are respectively communicated with the inside of the testing box (2), the back of the supporting table (1) is connected with a first rotating rod (5), the surface of the first rotating rod (5) is rotatably connected with an L-shaped supporting plate (6), the L-shaped supporting plate (6) is in mutual contact with the opposite side of the supporting table (1), the L-shaped supporting plate (6) can pass through the first rotating rod (5) to do circular linear motion along the back of the supporting table (1), the bottom of the L-shaped supporting plate (6) is provided with a limiting component (7), the limiting component (7) is arranged on the surface of the supporting table (1), and an electric push rod (8) is installed at the top of the L-shaped supporting plate (6), the output end of the electric push rod (8) is connected with a fixing component (9) used for clamping the junction box, and the fixing component (9) is located right above the top of the test box (2).
2. The photovoltaic module junction box testing device of claim 1, wherein: the height of the first connecting pipe (3) and the height of the second connecting pipe (4) which are respectively arranged on one side of the test box (2) are consistent, the shapes and the sizes of the first connecting pipe and the second connecting pipe are the same, and the first connecting pipe (3) and the second connecting pipe (4) are used for respectively conveying cold water which is externally connected or hot water which is externally connected to the inside of the test box (2).
3. The photovoltaic module junction box testing device of claim 1, wherein: the limiting assembly (7) comprises a second rotating rod (701), the surface of the second rotating rod (701) is connected between the top of the supporting table (1) and the inner top wall through a bearing, the top end of the second rotating rod (701) is connected with a second circular handle (702), external threads (703) are arranged on the surface of the second rotating rod (701), the second rotating rod (701) is connected with a moving plate (704) through the external threads (703) in a threaded mode, the moving plate (704) is located below the inner top wall of the supporting table (1), a communicated moving track (705) is arranged on the inner wall of the supporting table (1), the inner wall of the moving track (705) is connected with the surface of the moving plate (704) in a sliding mode, and one side, extending to the moving track (705), of the moving plate (704) is connected with a U-shaped clamping seat (706).
4. The photovoltaic module junction box testing device of claim 3, wherein: the bottom of the U-shaped clamping seat (706) corresponds to the bottom of the L-shaped supporting plate (6), one face, opposite to the supporting table (1), of the U-shaped clamping seat (706) is attached to the other face, and the inner wall of the U-shaped clamping seat (706) is clamped with the bottom of the L-shaped supporting plate (6) in a clamping mode.
5. The photovoltaic module junction box testing device of claim 1, wherein: the fixing assembly (9) comprises a concave plate (901), the opening direction of the concave plate (901) is vertical and downward, two symmetrical screw rods (902) are connected to the inner side wall of the concave plate (901) in a threaded mode, one end, extending to the inner side wall of the concave plate (901), of each screw rod (902) is connected with a circular clamping plate (903), and one end, extending to the outer surface of the concave plate (901), of each screw rod (902) is connected with a first circular handle (904).
6. The photovoltaic module junction box testing device of claim 1, wherein: the top of test box (2) is established to the shape of opening form and test box (2) for the square, the bottom intercommunication of test box (2) has drain pipe (10) and drain pipe (10) to extend to the interior roof below of brace table (1), the surface mounting of drain pipe (10) has the solenoid valve, one side of brace table (1) is equipped with spacing groove (11) of intercommunication.
7. The testing method of the photovoltaic module junction box testing device as claimed in any one of claims 1 to 6, wherein: the method comprises the following steps:
step A, firstly opening an end cover of the junction box, placing a dry paper towel in the junction box, then sealing the end cover again, when the junction box is tested, the L-shaped support plate (6) is in a vertical state, and the fixing component (9) below the bottom wall in the L-shaped support plate (6) is positioned right above the test box (2), so that the junction box can be placed between the inner side walls of the concave plates (901), and when two circular clamping plates (903) which are correspondingly connected with one ends of the two lead screws (902) are respectively close to each other through rotating the two lead screws (902), the two circular clamping plates (903) clamp the two sides of the junction box mutually, so that the junction box can be positioned between the inner side walls of the concave plates (901);
step B, when the junction box is tested in a cold water state, the external cold water is conveyed into the test box (2) through the first connecting pipe (3), when the water in the test box (2) rises to two thirds of the water in the test box (2), the cold water is stopped from being input, finally, the junction box positioned in the fixing component (9) is driven by the electric push rod (8) to do vertical downward linear motion, the junction box enters the cold water in the test box (2) to be soaked for a period of time, then the electric push rod (8) drives the junction box positioned in the fixing component (9) to do vertical upward linear motion, so that the junction box is positioned right above the test box (2), because the end cover of the junction box is not limited, the end cover of the junction box can be directly opened, and the dry tissue in the junction box is observed to be wetted by the water, further judging the waterproof performance of the junction box in a cold water state;
and step C, when the junction box is tested in a hot water state, discharging the hot water in the test box (2) through the drain pipe (10) completely, then connecting the hot water outside through the second connecting pipe (4) and conveying the hot water to the inside of the test box (2), wherein the water level is two thirds of the water level in the test box (2), and then testing according to the operation in the step B to judge the waterproof performance of the junction box in the hot water state.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312632Y (en) * | 2008-12-04 | 2009-09-23 | 好孩子儿童用品有限公司 | Table |
| CN206002257U (en) * | 2016-07-29 | 2017-03-08 | 山东衡远新能源科技有限公司 | A kind of battery bag waterproof test case |
| CN210206043U (en) * | 2019-06-04 | 2020-03-31 | 谢斌 | Sewage filtering device convenient for replacing filter plate |
| CN210346854U (en) * | 2019-09-02 | 2020-04-17 | 南京惠然测控技术有限公司 | Waterproof testing arrangement of electromagnetism water gauge |
| CN212674357U (en) * | 2020-08-20 | 2021-03-09 | 速特自动化(湖南)有限公司 | Electrical equipment overhauls testing arrangement |
| CN213180244U (en) * | 2020-11-06 | 2021-05-11 | 江苏技先机械科技有限公司 | Waterproof testing arrangement of ultrasonic water meter |
-
2021
- 2021-10-28 CN CN202111260886.XA patent/CN114112209A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312632Y (en) * | 2008-12-04 | 2009-09-23 | 好孩子儿童用品有限公司 | Table |
| CN206002257U (en) * | 2016-07-29 | 2017-03-08 | 山东衡远新能源科技有限公司 | A kind of battery bag waterproof test case |
| CN210206043U (en) * | 2019-06-04 | 2020-03-31 | 谢斌 | Sewage filtering device convenient for replacing filter plate |
| CN210346854U (en) * | 2019-09-02 | 2020-04-17 | 南京惠然测控技术有限公司 | Waterproof testing arrangement of electromagnetism water gauge |
| CN212674357U (en) * | 2020-08-20 | 2021-03-09 | 速特自动化(湖南)有限公司 | Electrical equipment overhauls testing arrangement |
| CN213180244U (en) * | 2020-11-06 | 2021-05-11 | 江苏技先机械科技有限公司 | Waterproof testing arrangement of ultrasonic water meter |
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