CN107255592B - Photovoltaic module junction box testing device - Google Patents
Photovoltaic module junction box testing device Download PDFInfo
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- CN107255592B CN107255592B CN201710660079.4A CN201710660079A CN107255592B CN 107255592 B CN107255592 B CN 107255592B CN 201710660079 A CN201710660079 A CN 201710660079A CN 107255592 B CN107255592 B CN 107255592B
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- stay wire
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- 238000012360 testing method Methods 0.000 title claims abstract description 96
- 238000009864 tensile test Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 description 9
- 230000006978 adaptation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Photovoltaic Devices (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a photovoltaic module junction box testing device, which belongs to the field of photovoltaic modules, and comprises at least one tensile testing unit, wherein the tensile testing unit comprises a first bracket, a first guide wheel, a second guide wheel, a first counterweight body and a first pull wire, and the tensile testing unit comprises a first support, a first guide wheel, a second guide wheel, a first counterweight body and a first pull wire, wherein the first support is arranged on the first support, and the first guide wheel is arranged on the first support: one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire is connected with the photovoltaic module junction box or connected with an outgoing line of the photovoltaic module junction box after sequentially bypassing the first guide wheel and the second guide wheel. The invention can conveniently test the bonding firmness of the junction box of the photovoltaic module and the tensile strength of the outgoing line, and has simple structure and convenient use.
Description
Technical Field
The invention relates to the field of photovoltaic modules, in particular to a photovoltaic module junction box testing device.
Background
The photovoltaic module junction box is a connector between a solar cell matrix formed by the solar cell modules and the solar charging control device. Is a comprehensive design of a cross-domain combining the design of electric gas collection, mechanical design and material science.
In actual use, the terminal box is fixed through silica gel bonding, and in IEC 61215 standard, there is clear regulation to photovoltaic module terminal box and terminal box outgoing terminal's intensity, in order to guarantee terminal box quality, need test the terminal box, including the intensity of test terminal box lead-out wire to and bonding firmness etc. of terminal box.
Chinese patent document CN206208652U discloses a terminal box testing device, the testing method of which is: the junction box is stuck on the backboard, the backboard is sucked by the vacuum generator, and the tensile strength of the outgoing line of the junction box and the bonding firmness of the junction box are tested by using weights. The test object of the device is an unused junction box, and for an already installed junction box, it is not possible to test it according to the method of the patent, since it is already fixed.
Disclosure of Invention
In order to solve the technical problems, the invention provides the photovoltaic module junction box testing device which can conveniently test the bonding firmness of the photovoltaic module junction box and the tensile strength of the outgoing line, and has the advantages of simple structure and convenient use.
The technical scheme provided by the invention is as follows:
the utility model provides a photovoltaic module terminal box testing arrangement, includes at least one tensile test unit, tensile test unit includes first support, first leading wheel, second leading wheel, first counterweight body and first acting as go-between, wherein:
one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire is connected with the photovoltaic module junction box or connected with an outgoing line of the photovoltaic module junction box after sequentially bypassing the first guide wheel and the second guide wheel.
Further, the first guide wheel is arranged at the upper end of the first support, the second guide wheel is arranged at the lower end of the first support, one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire sequentially bypasses the first guide wheel and the second guide wheel and then is connected with the side face of the photovoltaic module junction box or is connected with the outgoing line of the side face of the photovoltaic module junction box.
Further, the first support includes vertical support and horizontal cantilever beam, first leading wheel sets up the upper end of vertical support, the second leading wheel sets up the end of horizontal cantilever beam, the one end of first stay wire with first counter weight body coupling, the other end is walked around in proper order behind first leading wheel and the second leading wheel, be connected with the top surface of photovoltaic module terminal box.
Further, the first support includes vertical support and horizontal cantilever beam, first leading wheel setting is in the upper end of vertical support, the second leading wheel setting is in the end of horizontal cantilever beam, the lower extreme of vertical support is provided with the third leading wheel, wherein:
one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire is connected with the top surface of the junction box of the photovoltaic module after sequentially bypassing the first guide wheel and the second guide wheel;
or, one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire is connected with the side face of the photovoltaic module junction box or the outgoing line of the side face of the photovoltaic module junction box after bypassing the first guide wheel and the third guide wheel in sequence.
Further, the photovoltaic module junction box testing device further comprises a junction box adapting frame, the junction box adapting frame comprises a Chinese character 'ri' shaped frame, at least two of four frames of the Chinese character 'ri' shaped frame are provided with ring head jackscrews, and the middle cross beam of the Chinese character 'ri' shaped frame is provided with ring head jackscrews.
Further, the photovoltaic module terminal box testing arrangement still includes at least one torsion test unit, torsion test unit includes second support, fourth leading wheel, fifth leading wheel, second counterweight body, second act as go-between and torsion spool, wherein:
the fourth guide wheel is arranged at the upper end of the second support, the torsion shaft is arranged at the lower end of the second support, the fifth guide wheel is arranged on the torsion shaft, one end of the second stay wire is connected with the second counterweight body, the other end of the second stay wire bypasses the fourth guide wheel and is fixed after being wound by a certain number of turns of the fifth guide wheel, and the torsion shaft is used for being connected with an outgoing line of the junction box of the photovoltaic module.
Further, the torsion testing unit further comprises an angle disc and an angle pointer, wherein the angle disc is fixed at the lower end of the second bracket, and the angle pointer is arranged on the torsion shaft.
Further, a first cylinder is arranged on the first support, the first cylinder is connected and controls the first counterweight body, a second cylinder is arranged on the second support, the second cylinder is connected and controls the second counterweight body, and the first cylinder and the second cylinder are connected with an air source through an air path.
Further, photovoltaic module terminal box testing arrangement still includes the test frame, the test frame includes test frame body and test frame dead lever, the lower extreme of first support is provided with first installation bayonet socket, first installation bayonet socket department is provided with first screw down, the lower extreme of second support is provided with the second installation bayonet socket, second installation bayonet socket department is provided with the second screw down.
Further, a first counterweight body guardrail is arranged on the first support, the first counterweight body is arranged in the first counterweight body guardrail, a second counterweight body guardrail is arranged on the second support, and the second counterweight body is arranged in the second counterweight body guardrail.
The invention has the following beneficial effects:
the invention is used for testing the bonding firmness of the photovoltaic module junction box and the tensile strength of the outgoing line, and can be suitable for junction boxes which are installed and used and junction boxes which are not installed and used. The test is performed by a tensile testing unit, wherein: the first support is used for installing and supporting other various parts, and first leading wheel and second leading wheel are used for changing the direction of first acting as go-between, and first counter weight body is used for providing the pulling force for testing. During testing, the length of the pull wire is adjusted, so that the pull wire is slightly tensioned in an initial position, the first counterweight body is released, and the pull force is connected with the photovoltaic module junction box or with the outgoing line of the photovoltaic module junction box after the direction of the pull force is changed along the first pull wire through the first guide wheel and the second guide wheel. When being connected with the photovoltaic module terminal box, can be connected with each side of photovoltaic module terminal box, also can be connected with the top surface of photovoltaic module terminal box for the bonding firmness in each direction of test terminal box. And the test device is used for testing the tensile strength of the outgoing line when being connected with the outgoing line of the photovoltaic module junction box.
In conclusion, the photovoltaic module junction box can conveniently test the bonding firmness of the photovoltaic module junction box and the tensile strength of the outgoing line, and is simple in structure and convenient to use.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a photovoltaic module junction box testing apparatus;
FIG. 2 is a schematic diagram of one embodiment of a tensile testing unit;
FIG. 3 is a schematic diagram of another embodiment of a tensile testing unit;
FIG. 4 is a schematic diagram of yet another embodiment of a tensile testing unit;
FIG. 5 is a schematic view of a junction box adapter block;
FIG. 6 is a schematic diagram of another embodiment of a photovoltaic module junction box testing apparatus;
fig. 7 is a schematic diagram of a torsion testing unit.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The invention provides a photovoltaic module junction box testing device, as shown in fig. 1-5, comprising at least one tensile testing unit 1, wherein the tensile testing unit 1 comprises a first bracket 101, a first guide wheel 102, a second guide wheel 103, a first counterweight body 105 and a first pull wire 106, wherein:
one end of the first stay wire 106 is connected with the first counterweight 105, and the other end of the first stay wire is connected with the photovoltaic module junction box 5 or is connected with an outgoing line of the photovoltaic module junction box 5 after bypassing the first guide wheel 102 and the second guide wheel 103 in sequence.
The invention is used for testing the bonding firmness of the photovoltaic module junction box and the tensile strength of the outgoing line, and can be suitable for junction boxes which are installed and used and junction boxes which are not installed and used. The test is performed by a tensile testing unit, wherein: the first support is used for installing and supporting other various parts, and first leading wheel and second leading wheel are used for changing the direction of first acting as go-between, and first counter weight body is used for providing the pulling force for testing. During testing, the length of the pull wire is adjusted, so that the pull wire is slightly tensioned in an initial position, the first counterweight body is released, and the pull force is connected with the photovoltaic module junction box or with the outgoing line of the photovoltaic module junction box after the direction of the pull force is changed along the first pull wire through the first guide wheel and the second guide wheel. When being connected with the photovoltaic module terminal box, can be connected with each side of photovoltaic module terminal box, also can be connected with the top surface of photovoltaic module terminal box for the bonding firmness in each direction of test terminal box. And the test device is used for testing the tensile strength of the outgoing line when being connected with the outgoing line of the photovoltaic module junction box.
In conclusion, the photovoltaic module junction box can conveniently test the bonding firmness of the photovoltaic module junction box and the tensile strength of the outgoing line, and is simple in structure and convenient to use.
The tension testing unit changes the direction of the tension of the first counterweight body along the first pull line through the first guide wheel and the second guide wheel, and is used for tension testing in all directions, so long as the tension testing unit can realize a structure for changing the tension direction, and the installation positions of the first guide wheel and the second guide wheel are not limited. The following is a preferred description of several embodiments:
embodiment one:
as shown in fig. 2, the first guide wheel 102 is disposed at the upper end of the first bracket 101, the second guide wheel 103 is disposed at the lower end of the first bracket 101, one end of the first stay wire 106 is connected with the first counterweight 105, and the other end of the first stay wire is connected with the side of the photovoltaic module junction box or with the outgoing line of the side of the photovoltaic module junction box after bypassing the first guide wheel 102 and the second guide wheel 103 in sequence. The embodiment can test the bonding strength of the photovoltaic module junction box in the side direction and the tensile strength of the outgoing line positioned on the side.
Embodiment two:
as shown in fig. 3, the first bracket 101 includes a vertical bracket 107 and a transverse cantilever beam 108, the first guide wheel 102 is disposed at the upper end of the vertical bracket 107, the second guide wheel 103 is disposed at the end of the transverse cantilever beam 108, one end of the first stay wire 106 is connected with the first counterweight 105, and the other end sequentially bypasses the first guide wheel 102 and the second guide wheel 103 and then is connected with the top surface of the junction box of the photovoltaic module. The embodiment can test the bonding strength of the photovoltaic module junction box in the top surface direction.
Embodiment III:
as shown in fig. 4, the first bracket 101 includes a vertical bracket 107 and a transverse cantilever beam 108, the first guide wheel 102 is disposed at an upper end of the vertical bracket 107, the second guide wheel 103 is disposed at a distal end of the transverse cantilever beam 108, and a lower end of the vertical bracket 107 is provided with a third guide wheel 109, wherein:
one end of a first stay wire 106 is connected with the first counterweight body 105, and the other end of the first stay wire is connected with the top surface of the junction box of the photovoltaic module after bypassing the first guide wheel 102 and the second guide wheel 103 in sequence;
or, one end of the first stay wire 106 is connected to the first counterweight 105, and the other end of the first stay wire is connected to the side of the photovoltaic module junction box or to the outgoing line on the side of the photovoltaic module junction box after bypassing the first guide wheel 102 and the third guide wheel 109 in order.
In the third embodiment, the bonding strength of the photovoltaic module junction box in the side and top directions and the tensile strength of the lead wires positioned on the side can be tested by combining the first embodiment with the second embodiment.
For simple to operate, as shown in fig. 5, photovoltaic module terminal box testing arrangement still includes terminal box adaptation frame 2, and the terminal box adaptation frame includes the frame of a Chinese character ' ri ' shape, is provided with the first jackscrew 203 of ring on at least two in four frames 201 of frame of a Chinese character ' ri ' shape, and the first jackscrew quantity of ring on four frames sets up according to actual conditions, if there is not the barrier around the terminal box, can all set up on every edge for there is the barrier around the terminal box for can't set up the first jackscrew of ring on a certain edge, can not set up, but the first jackscrew quantity of ring must guarantee to press from both sides tight terminal box. The middle cross beam 202 of the Chinese character 'ri' shaped frame is provided with a ring head jackscrew 203. During testing, the junction box adaptation frame 2 is sleeved on the photovoltaic module junction box 5, and the ring head jackscrews 203 on the frame and the middle cross beam are screwed down, so that the junction box adaptation frame 2 clamps the photovoltaic module junction box 5. The loop head at the top of the loop head jackscrew 203 is used to facilitate tightening of the loop head jackscrew 203 and also to attach the first pull wire 106.
As an improvement of the present invention, as shown in fig. 6 to 7, the photovoltaic module junction box testing apparatus further includes at least one torsion testing unit 3, the torsion testing unit 3 including a second bracket 301, a fourth guide wheel 302, a fifth guide wheel 303, a second weight body 305, a second pull wire 306, and a torsion shaft 307, wherein:
the fourth leading wheel 302 is disposed at the upper end of the second bracket 301, the torsion shaft 307 is disposed at the lower end of the second bracket 301, the fifth leading wheel 303 is disposed on the torsion shaft 307, one end of the second stay 306 is connected with the second counterweight body 305, the other end bypasses the fourth leading wheel 302 and is fixed after being wound around the fifth leading wheel 303 for a certain number of turns, and the torsion shaft 307 is used for being connected with an outgoing line of the photovoltaic module junction box.
The invention is also used for testing the torsional strength of the outgoing line of the junction box of the photovoltaic module, and can be suitable for junction boxes which are installed and used and not installed and used. The test is performed by a torsion test unit, wherein: the second support is used for installing and supporting other various parts, the fourth leading wheel is used for changing the direction of first acting as go-between, and the fifth leading wheel is used for changing pulling force into torsion, and the second counter weight body is used for providing the pulling force for testing, and the torsion spool is used for connecting the lead-out wire. During testing, the torsion shaft and the outgoing line are fixed by the pressing plate, the length of the pull wire is adjusted, the pull wire is slightly tensioned in the initial position, the second counterweight body is released, the pull force is enabled to change direction along the second pull wire through the fourth guide wheel and then wound on the fifth guide wheel, the pull force is changed into torsion force, the torsion shaft is driven to twist, the torsion shaft is connected with the outgoing line, and the torsion strength of the outgoing line is tested.
In order to quantitatively test the torsional strength of the lead wire, the torsion testing unit 3 further includes an angle plate 308 and an angle pointer 309, the angle plate 308 is fixed to the lower end of the second holder 301, and the angle pointer 309 is disposed on the torsion shaft 307. In the test, the angle pointer is adjusted to point to the 0 point of the angle disc, and the 0 point can be set according to the requirement, and can be the center of the angle disc or the beginning or ending of the angle disc. The angle disc is fixed, the angle pointer twists under the drive of the torsion shaft, and the torsion strength can be quantitatively tested through the deflection angle of the angle pointer.
Further, a first cylinder 104 is arranged on the first bracket 1, the first cylinder 104 is connected with and controls the first counterweight body 105, a second cylinder 304 is arranged on the second bracket 3, the second cylinder 304 is connected with and controls the second counterweight body 305, and the first cylinder 104 and the second cylinder 304 are connected with an air source through an air path. The balance weight body is released through the air cylinder, so that uniform release can be realized, and the release speed can be conveniently adjusted. Before the experiment, the air channel is connected with an air source, and an air channel switch is opened, preferably a pressure regulating valve is used for stabilizing the pressure at 3-4kg/cm 2 . The cylinder action speed is related to the releasing speed of the counterweight body, the force application speed specified in the standard cannot be too high, and the cylinder speed can be adjusted by the throttle opening of the corresponding solenoid valve outlet in the control box.
For easy to assemble tensile test unit and torsion test unit, as shown in fig. 1 and 6, photovoltaic module terminal box testing arrangement still includes test frame 4, and test frame 4 includes test frame body 401 and test frame dead lever 402, and the test frame body is used for installing in the outside of terminal box to be used for installing tensile test unit and torsion test unit, the test frame dead lever is used for fixing the test frame body on photovoltaic module's frame. The lower extreme of first support 1 is provided with first installation bayonet socket 110, and first installation bayonet socket 110 department is provided with first screw down, and the lower extreme of second support 301 is provided with second installation bayonet socket 310, and second installation bayonet socket 310 department is provided with the second screw down.
When the tension test is carried out, the mounting bayonet of the tension test unit is clamped on the test frame, the tension test unit is moved or the test frame is moved, the center of the guide wheel at the tail end of the tension test unit is aligned with the head jackscrew of the ring (the guide wheel at the tail end is one guide wheel passing through the balance weight body at last after the tension wire starts), and the mounting bayonet is clamped by a tightening screw for subsequent test. The torsion test unit is used in a similar manner.
To ensure that the counterweight drops vertically and to protect the counterweight, the first bracket 101 is provided with a first counterweight guardrail 111, the first counterweight 105 is disposed in the first counterweight guardrail 111, the second bracket 301 is provided with a second counterweight guardrail 311, and the second counterweight 305 is disposed in the second counterweight guardrail 311.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (6)
1. The utility model provides a photovoltaic module terminal box testing arrangement, its characterized in that includes at least one tensile test unit, tensile test unit includes first support, first leading wheel, second leading wheel, first counterweight body and first acting as go-between, wherein:
one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire is connected with the photovoltaic module junction box or is connected with an outgoing line of the photovoltaic module junction box after sequentially bypassing the first guide wheel and the second guide wheel;
the photovoltaic module junction box testing device further comprises a junction box adapting frame, wherein the junction box adapting frame comprises a Chinese character 'ri' shaped frame, ring head jackscrews are arranged on at least two of four side frames of the Chinese character 'ri' shaped frame, and ring head jackscrews are arranged on a middle cross beam of the Chinese character 'ri' shaped frame;
the photovoltaic module junction box testing device further comprises at least one torsion testing unit, wherein the torsion testing unit comprises a second bracket, a fourth guide wheel, a fifth guide wheel, a second counterweight body, a second stay wire and a torsion shaft, and the torsion testing unit comprises a first support, a second guide wheel, a third guide wheel, a fourth guide wheel, a second counterweight body, a second stay wire and a torsion shaft, wherein:
the fourth guide wheel is arranged at the upper end of the second bracket, the torsion shaft is arranged at the lower end of the second bracket, the fifth guide wheel is arranged on the torsion shaft, one end of the second stay wire is connected with the second counterweight body, the other end of the second stay wire bypasses the fourth guide wheel and is fixed after being wound around the fifth guide wheel for a certain number of turns, and the torsion shaft is used for being connected with an outgoing line of the junction box of the photovoltaic module;
the torsion testing unit further comprises an angle disc and an angle pointer, wherein the angle disc is fixed at the lower end of the second bracket, and the angle pointer is arranged on the torsion shaft;
the first guide wheel is arranged at the upper end of the first support, the second guide wheel is arranged at the lower end of the first support, one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire sequentially bypasses the first guide wheel and the second guide wheel and then is connected with the side face of the photovoltaic module junction box or is connected with an outgoing line on the side face of the photovoltaic module junction box.
2. The photovoltaic module junction box testing device according to claim 1, wherein the first support comprises a vertical support and a transverse cantilever beam, the first guide wheel is arranged at the upper end of the vertical support, the second guide wheel is arranged at the tail end of the transverse cantilever beam, one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire is connected with the top surface of the photovoltaic module junction box after bypassing the first guide wheel and the second guide wheel in sequence.
3. The photovoltaic module junction box testing device of claim 1, wherein the first bracket comprises a vertical bracket and a transverse cantilever beam, the first guide wheel is arranged at the upper end of the vertical bracket, the second guide wheel is arranged at the tail end of the transverse cantilever beam, and the lower end of the vertical bracket is provided with a third guide wheel, wherein:
one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire is connected with the top surface of the junction box of the photovoltaic module after sequentially bypassing the first guide wheel and the second guide wheel;
or, one end of the first stay wire is connected with the first counterweight body, and the other end of the first stay wire is connected with the side face of the photovoltaic module junction box or the outgoing line of the side face of the photovoltaic module junction box after bypassing the first guide wheel and the third guide wheel in sequence.
4. The photovoltaic module junction box testing device according to claim 1, wherein a first cylinder is arranged on the first support, the first cylinder is connected with and controls the first counterweight body, a second cylinder is arranged on the second support, the second cylinder is connected with and controls the second counterweight body, and the first cylinder and the second cylinder are connected with an air source through an air path.
5. The photovoltaic module junction box testing device according to claim 1, further comprising a test frame, wherein the test frame comprises a test frame body and a test frame fixing rod, a first mounting bayonet is arranged at the lower end of the first bracket, a first tightening screw is arranged at the first mounting bayonet, a second mounting bayonet is arranged at the lower end of the second bracket, and a second tightening screw is arranged at the second mounting bayonet.
6. The photovoltaic module junction box testing device according to claim 1, wherein a first counterweight body guardrail is arranged on the first support, the first counterweight body is arranged in the first counterweight body guardrail, a second counterweight body guardrail is arranged on the second support, and the second counterweight body is arranged in the second counterweight body guardrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660079.4A CN107255592B (en) | 2017-08-04 | 2017-08-04 | Photovoltaic module junction box testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660079.4A CN107255592B (en) | 2017-08-04 | 2017-08-04 | Photovoltaic module junction box testing device |
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| Publication Number | Publication Date |
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| CN107255592A CN107255592A (en) | 2017-10-17 |
| CN107255592B true CN107255592B (en) | 2023-12-08 |
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| CN201710660079.4A Active CN107255592B (en) | 2017-08-04 | 2017-08-04 | Photovoltaic module junction box testing device |
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| CN112378612B (en) * | 2020-11-12 | 2023-03-31 | 中达安股份有限公司 | Installation method of photovoltaic module junction box |
| CN114002040B (en) * | 2021-11-26 | 2024-03-15 | 晶澳（邢台）太阳能有限公司 | Simulation assembly of photovoltaic assembly and manufacturing method of welding tension sample |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR200408958Y1 (en) * | 2005-11-25 | 2006-02-15 | 경신공업 주식회사 | a bottom jig of a tester |
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| US8690110B2 (en) * | 2009-05-25 | 2014-04-08 | Solaredge Technologies Ltd. | Bracket for connection of a junction box to photovoltaic panels |
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| KR200408958Y1 (en) * | 2005-11-25 | 2006-02-15 | 경신공업 주식회사 | a bottom jig of a tester |
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| CN107255592A (en) | 2017-10-17 |
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