CN113340537A - Leakproofness detection mechanism for photovoltaic terminal box - Google Patents
Leakproofness detection mechanism for photovoltaic terminal box Download PDFInfo
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- CN113340537A CN113340537A CN202110454269.7A CN202110454269A CN113340537A CN 113340537 A CN113340537 A CN 113340537A CN 202110454269 A CN202110454269 A CN 202110454269A CN 113340537 A CN113340537 A CN 113340537A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 109
- 238000001514 detection method Methods 0.000 title claims abstract description 74
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 210000003437 trachea Anatomy 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005056 compaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000007723 transport mechanism Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000126 substance Substances 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a sealing detection mechanism for a photovoltaic junction box, wherein a workbench is provided with a feeding mechanism, a support, an axial moving mechanism, a clamping mechanism, a laser sensor, a material distribution area and a detection platform; detect the platform upper surface and be equipped with elastic backing plate, it is equipped with detection briquetting and layering to detect the platform, Y axial moving mechanism establishes detect in the platform, detect the briquetting with the layering is all established Y axial moving mechanism is last, the outer end side of detecting the briquetting is equipped with even board, be equipped with the connecting rod on even the board just the connecting rod is connected the layering, one be equipped with on the detection briquetting and detect the nose bar and detect the trachea, detect the nose bar with it all has cup jointed detection gasbag and rubber ring on the detection trachea to detect, the tip of detecting the nose bar is equipped with baroceptor. The invention improves the detection speed by automatic feeding, and simultaneously, the detection pressing block and the pressing strip on the detection table ensure the compaction of the junction box, thereby being beneficial to detection.
Description
Technical Field
The invention relates to the technical field of sealing performance detection equipment, in particular to a sealing performance detection mechanism for a photovoltaic junction box.
Background
Leak testing, as the name implies, refers to testing the leak of a sample for leak. The application field is wide. The method is suitable for detecting the sealing performance of packaging bags, boxes, bottles, cans and the like in the industries of military industry, food, medical instruments, chemical industry, automobiles, electronic components, storage and the like. It is also possible to test products which have sealing requirements themselves. Among them, the water intrusion method, the dry air method and the trace gas method are most commonly used.
The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and a solar charging control device, and mainly used for connecting and protecting the solar cell modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.
In the prior art, due to the connection property of the photovoltaic module, the sealing property of the photovoltaic module is very concerned. At present, many manufacturers adopt a water invasion method to detect the tightness, but the water invasion method is troublesome to operate and is not beneficial to batch detection. In order to solve the problem, the dry air method is very convenient for detection.
A dry air method: the difference between the internal pressure and the external pressure of the tested sample is controlled by vacuumizing or air pressurization, and if leakage exists, the difference between the internal pressure and the external pressure is reduced. The tightness can be detected by detecting a change in air pressure. The detection medium is dry air, is non-toxic and harmless, does not damage the detected product, and simultaneously has clean and tidy detection environment.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a sealing detection mechanism for a photovoltaic junction box.
The sealing detection mechanism for the photovoltaic junction box is characterized by comprising a workbench, wherein the workbench is provided with a feeding mechanism, a support, an axial moving mechanism, a clamping mechanism, a laser sensor, a distribution area and a detection table;
the axial moving mechanism is provided with an X axial moving mechanism, a Y axial moving mechanism and a Z axial moving mechanism, the X axial moving mechanism is arranged on the bracket, the X axial moving mechanism is provided with a translation fixing plate, the Z axial moving mechanism is arranged on the translation fixing plate, and the clamping mechanism is arranged on the Z axial moving mechanism;
detect the platform upper surface and be equipped with elastic backing plate, it is equipped with detection briquetting and layering to detect the platform, Y axial moving mechanism establishes detect in the platform, detect the briquetting with the layering is all established Y axial moving mechanism is last, the outer end side of detecting the briquetting is equipped with even board, be equipped with the connecting rod on even the board just the connecting rod is connected the layering, one be equipped with on the detection briquetting and detect the nose bar and detect the trachea, detect the nose bar with it all has cup jointed detection gasbag and rubber ring on the detection trachea to detect, the tip of detecting the nose bar is equipped with baroceptor.
Preferably, fixture is equipped with and presss from both sides tight seat, press from both sides tight seat and be the U type piece, the curb plate of U type piece is embedded to have canceling release mechanical system, canceling release mechanical system connects and presss from both sides tight piece, it is T type piece to press from both sides tight piece, press from both sides the horizontal pole connection of tight piece and press from both sides tight gasbag.
Preferably, the feeding mechanism is formed by combining a roll shaft and a conveyor belt, the conveyor belt is sleeved on the roll shaft, limiting convex strips are arranged on the surface of the conveyor belt, and the junction box main body is embedded between the adjacent limiting convex strips.
Preferably, a connecting hole is formed in the side face of the junction box body, and the opening direction of the connecting hole is in the Y-axis direction.
Preferably, the support is provided with two sets of X axial moving mechanisms, a sliding groove is formed in a cross rod of the support, a threaded rod is arranged in the sliding groove, and the end portion of the cross rod of the support is provided with a translation motor.
Preferably, the end part of the translational fixing plate is provided with a convex block, the convex block is embedded in the sliding groove of the cross rod, and the convex block is sleeved on the threaded rod.
Preferably, the clamping block is an L-shaped block, the vertical plate of the clamping block is an n-shaped block or a U-shaped block, the vertical rod of the vertical plate and the Y-shaped axial moving mechanism are arranged, and the vertical rod of the vertical plate is embedded in the test chute.
Preferably, the layering is U type piece, the montant of layering inlays in compressing tightly the spout, the horizontal pole bottom of layering is equipped with the cambered surface.
Preferably, one combination of the Y-axis moving mechanism adopts a motor, a gear, a chain and a threaded rod, the threaded rod is provided with symmetrical threads, and the threaded rod is provided with a limiting block which is matched with the testing chute and a pressing chute.
Preferably, the other combination of the Y-axis moving mechanism is an air cylinder and a pneumatic telescopic rod, and the air cylinder is provided with the pneumatic telescopic rods symmetrically.
The invention has the beneficial effects that:
the junction box main body is clamped through the clamping mechanism, and the clamping block of the clamping mechanism is used for clamping and adjusting the junction box main body at the same time, so that the junction box main body is controlled at the central position, and detection on the detection table is facilitated;
the junction box main body is fixed on the detection table through the combination of the elastic base plate, the detection pressing block and the pressing strip, so that the connection of the junction box main body is ensured, and the problem of poor sealing caused by the infirm installation of the junction box is avoided;
the convex strips arranged on the conveyor belts of the laser sensor and the feeding mechanism are matched to start and stop the feeding mechanism, so that the detection efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a third schematic view of the present invention;
FIG. 4 is a top view of the table of the present invention;
FIG. 5 is a schematic view of a clamping mechanism according to the present invention;
FIG. 6 is an enlarged view of circle A in FIG. 4;
FIG. 7 is an enlarged view of circle B in FIG. 6;
FIG. 8 is an enlarged view of circle C in FIG. 6;
labeled as: 1-workbench, 2-feeding mechanism, 3-bracket, 4-junction box main body, 5-X axial moving mechanism, 6-translation plate, 7-Z axial moving mechanism, 8-detection platform, 9-clamping mechanism, 10-material distribution area, 11-laser sensor, 12-Y axial moving mechanism, 13-clamping seat, 14-clamping block, 15-resetting mechanism, 16-clamping air bag, 17-test sliding groove, 18-pressing sliding groove, 19-detection pressing block, 20-connecting plate, 21-pressing strip, 22-connecting rod, 23-connecting hole, 24-detection convex rod, 25-rubber ring, 26-detection air bag, 27-air pressure sensor, 28-detection air pipe, 29-electromagnetic valve and 30-elastic cushion plate.
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.
According to the drawings of fig. 1 to 8, a workbench 1 of a tightness detection mechanism for a photovoltaic junction box is provided, wherein the workbench 1 is provided with a feeding mechanism 2, a support 3, an axial moving mechanism, a clamping mechanism 9, a laser sensor 11, a material distribution area 10 and a detection platform 8;
the axial moving mechanism is provided with an X axial moving mechanism 5, a Y axial moving mechanism 12 and a Z axial moving mechanism 7, the X axial moving mechanism 5 is arranged on the bracket 3, the X axial moving mechanism 5 is provided with a translation fixing plate 6, the Z axial moving mechanism 7 is arranged on the translation fixing plate 6, and the clamping mechanism 9 is arranged on the Z axial moving mechanism 7;
detect platform 8 upper surface and be equipped with elastic backing plate 30, it is equipped with detection briquetting 19 and layering 21 to detect platform 8, Y axial moving mechanism 12 is established in detecting platform 8, it all establishes on Y axial moving mechanism 12 to detect briquetting 19 and layering 21, the outer end side of detecting briquetting 19 is equipped with even board 20, be equipped with connecting rod 22 and connecting rod 22 on even board 20 and connect layering 21, be equipped with on one detection briquetting 19 and detect nose bar 24 and detection trachea 28, it has all cup jointed detection gasbag 26 and rubber ring 25 to detect on nose bar 24 and the detection trachea 28, the tip that detects nose bar 24 is equipped with baroceptor 27, be equipped with solenoid valve 29 on the detection trachea 28.
The clamping mechanism 9 is provided with a clamping seat 13, the clamping seat 13 is a U-shaped block, a reset mechanism 15 is embedded in a side plate of the U-shaped block, the reset mechanism 15 is connected with a clamping block 14, the clamping block 14 is a T-shaped block, and a cross bar of the clamping block 14 is connected with a clamping air bag 16.
The detection pressing block 19 is an L-shaped block, a vertical plate of the detection pressing block 19 is an n-shaped block or a U-shaped block, a vertical rod of the vertical plate is embedded in the test sliding groove 17 together with the Y-shaped axial moving mechanism 12. The pressing strip 21 is a U-shaped block, a vertical rod of the pressing strip 21 is embedded in the pressing sliding groove 18, and a cambered surface is arranged at the bottom of a transverse rod of the pressing strip 21.
Example 1;
the junction box main body 4 is placed on a conveying belt of the feeding mechanism 2, the junction box main body 4 is placed between the limiting convex strips, and the feeding mechanism 2 is started to drive the junction box main body 4 to move forwards through the conveying belt.
Until the limit convex strip blocks the laser sensor 11, the feeding mechanism 2 stops. The Z-axis moving mechanism 7 is started to drive the clamping mechanism 9 to descend, the clamping seat 13 of the clamping mechanism 9 presses the junction box main body 4, the clamping air bag 16 in the clamping seat 13 is inflated, the clamping air bag 16 moves the clamping block 14 along the resetting mechanism, and the clamping block 14 clamps the junction box main body 4.
The Z-axis moving mechanism 7 is started and drives the junction box main body 4 to return to the initial state through the clamping mechanism 9. The X-axis moving mechanism 5 is started to drive the translation plate 6 to move along the sliding groove of the bracket, namely to move along the X-axis. The clamping mechanism 9 reaches the position right above the detection table 8, the clamping air bag 16 is deflated, and the reset mechanism 15 is unfolded to drive the clamping block to reset.
The Z-axis moving mechanism 7 is started to be completely contracted, then the Y-axis moving mechanism 12 is started, the detection pressing block 19 and the pressing strip 21 move oppositely, and meanwhile, the connecting plate 20 arranged on the detection pressing block 19 is connected through the connecting rod 22, so that the stability of the pressing strip 21 is ensured. Until detecting briquetting 19 and compressing tightly terminal box main part 4, layering 21 compresses tightly terminal box main part 4 downwards through the cambered surface of horizontal pole bottom simultaneously, and terminal box main part 4 compresses tightly with elastic backing plate 30, can adapt to the terminal box main part 4 that the installation side has the through-hole, improves the accuracy that the leakproofness detected.
Meanwhile, the detection convex rod 24 and the detection air tube 28 are embedded in the connecting hole 23 of the junction box main body 4, the detection air bag 26 on the detection convex rod 24 and the detection air bag 26 on the detection air tube 28 are inflated, and the detection air bag 26 and the rubber ring 25 block the wiring hole 2 of the junction box main body 4. The electromagnetic valve 29 controls the detection air pipe to inflate the inside of the junction box main body 4, and after the electromagnetic valve 29 is closed, the air pressure in the junction box main body 4 is recorded through the air pressure sensor 27.
After a period of time, the detection value of the air pressure sensor 27 is read again, and the data difference between the two times is qualified within a certain range.
The Z-axis moving mechanism 7 is started and drives the junction box main body 4 to the material distribution area 10 through the clamping mechanism 9. The operator separates the qualified junction box main body 4 from the unqualified junction box main body 4 according to the detection result displayed by the display on the bracket 3.
Example 2;
divide material district 10 to be equipped with feed mechanism, divide the material structure to be equipped with X axial transport mechanism and Y axial transport mechanism, X axial transport mechanism is equipped with the roller, the roller surface is equipped with the ring pad of high coefficient of friction, Y axial transport mechanism establishes between adjacent roller, Y axial transport mechanism is equipped with Y axial conveyer belt, Y axial transport mechanism establishes on the lifter plate, the lifter plate bottom is equipped with the lift of elevating system control Y axial transport mechanism, the branch material of terminal box main part 4 of being convenient for.
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 (10)
1. The sealing detection mechanism for the photovoltaic junction box is characterized by comprising a workbench, wherein the workbench is provided with a feeding mechanism, a support, an axial moving mechanism, a clamping mechanism, a laser sensor, a distribution area and a detection table;
the axial moving mechanism is provided with an X axial moving mechanism, a Y axial moving mechanism and a Z axial moving mechanism, the X axial moving mechanism is arranged on the bracket, the X axial moving mechanism is provided with a translation fixing plate, the Z axial moving mechanism is arranged on the translation fixing plate, and the clamping mechanism is arranged on the Z axial moving mechanism;
detect the platform upper surface and be equipped with elastic backing plate, it is equipped with detection briquetting and layering to detect the platform, Y axial moving mechanism establishes detect in the platform, detect the briquetting with the layering is all established Y axial moving mechanism is last, the outer end side of detecting the briquetting is equipped with even board, be equipped with the connecting rod on even the board just the connecting rod is connected the layering, one be equipped with on the detection briquetting and detect the nose bar and detect the trachea, detect the nose bar with it all has cup jointed detection gasbag and rubber ring on the detection trachea to detect, the tip of detecting the nose bar is equipped with baroceptor.
2. The tightness detection mechanism of claim 1, wherein the clamping mechanism is provided with a clamping seat, the clamping seat is a U-shaped block, a reset mechanism is embedded in a side plate of the U-shaped block, the reset mechanism is connected with a clamping block, the clamping block is a T-shaped block, and a cross bar of the clamping block is connected with a clamping air bag.
3. The tightness detection mechanism for the photovoltaic junction box according to claim 1, wherein the feeding mechanism is a combination of a roller and a conveyor belt, the conveyor belt is sleeved on the roller, a limiting convex strip is arranged on the surface of the conveyor belt, and the junction box body is embedded between the adjacent limiting convex strips.
4. The mechanism of claim 3, wherein a connecting hole is formed in a side surface of the junction box body, and an opening direction of the connecting hole is in a Y-axis direction.
5. The tightness detection mechanism of claim 1, wherein the bracket is provided with two sets of the X-axis moving mechanisms, a sliding groove is formed in a cross bar of the bracket, a threaded rod is arranged in the sliding groove, and a translation motor is arranged at an end of the cross bar of the bracket.
6. The tightness detection mechanism of claim 5, wherein a protrusion is disposed at an end of the translational fixing plate, the protrusion is embedded in the sliding groove of the cross bar, and the protrusion is sleeved on the threaded rod.
7. The tightness detection mechanism of claim 1, wherein the detection pressing block is an L-shaped block, a vertical plate of the detection pressing block is an n-shaped block or a U-shaped block, a vertical rod of the vertical plate and the Y-axis moving mechanism are provided, and the vertical rod of the vertical plate is embedded in the test sliding groove.
8. The tightness detection mechanism of claim 1, wherein the pressing strip is a U-shaped block, a vertical rod of the pressing strip is embedded in the pressing sliding groove, and an arc surface is arranged at the bottom of a cross rod of the pressing strip.
9. The tightness detection mechanism of claim 1, wherein the Y-axis moving mechanism is a combination of a motor, a gear, a chain and a threaded rod, the threaded rod is provided with symmetrical threads, and the threaded rod is provided with a limiting block matching the test chute and the pressing chute.
10. The tightness detection mechanism of claim 1, wherein another combination of the Y-axis moving mechanism is a cylinder and a pneumatic telescopic rod, and the cylinder is provided with the pneumatic telescopic rods symmetrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454269.7A CN113340537A (en) | 2021-04-26 | 2021-04-26 | Leakproofness detection mechanism for photovoltaic terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454269.7A CN113340537A (en) | 2021-04-26 | 2021-04-26 | Leakproofness detection mechanism for photovoltaic terminal box |
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| CN113340537A true CN113340537A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110454269.7A Pending CN113340537A (en) | 2021-04-26 | 2021-04-26 | Leakproofness detection mechanism for photovoltaic terminal box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115155949A (en) * | 2022-05-11 | 2022-10-11 | 江苏海天微电子股份有限公司 | Intelligent production and detection system of photovoltaic junction box |
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Application publication date: 20210903 |