CN211981834U - Photovoltaic module test fixture - Google Patents
Photovoltaic module test fixture Download PDFInfo
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- CN211981834U CN211981834U CN202020758984.0U CN202020758984U CN211981834U CN 211981834 U CN211981834 U CN 211981834U CN 202020758984 U CN202020758984 U CN 202020758984U CN 211981834 U CN211981834 U CN 211981834U
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- photovoltaic module
- thimble
- fixing
- module test
- fixing mechanism
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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
Abstract
The utility model relates to a photovoltaic module testing tool, which comprises a fixing mechanism, an ejector pin mechanism and a self-adapting mechanism movably connected with the fixing mechanism and the ejector pin mechanism; the self-adaptive mechanism is set as follows: the thimble mechanism can swing in a first direction vertical to the axis of the thimble mechanism when being subjected to external force, and reset after the external force disappears. Through the device, the self-adaptive capacity of the photovoltaic module testing tool can be improved, the contact head of the ejector pin mechanism is in good contact with the testing electrode, so that the contact resistance is reduced, and the accuracy and the stability of the photovoltaic module testing are improved.
Description
Technical Field
The utility model relates to a photovoltaic module test equipment technical field especially relates to a photovoltaic module test fixture.
Background
At present, the production of photovoltaic modules in the photovoltaic industry generally adopts automatic assembly line production, and in order to adapt to the automatic production of a production line, a test module is laid on the photovoltaic module IV efficiency test link to replace a traditional mode of manually inserting a junction box, namely, a tester is in butt contact with electrodes of the test module to form a loop so as to obtain the electrical parameters of the photovoltaic module. However, the existing automatic assembly line can generate slight floating of the photovoltaic module in the process of conveying the photovoltaic module, the probe cannot be in full contact with the testing electrode in the testing process, the probe cannot be automatically adjusted to be in contact with the testing electrode, and the probe and the testing electrode are poor in electrical connection, so that the contact resistance of the photovoltaic module is increased, and the accuracy and the stability of electrical parameters of the photovoltaic module are finally influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can adjust the photovoltaic module test fixture of contact and improvement test accuracy, stability between test probe and the test module.
In order to realize the purpose of the utility model, the utility model provides a technical scheme as follows:
a photovoltaic module testing tool comprises a fixing mechanism, an ejector pin mechanism and a self-adaptive mechanism movably connected with the fixing mechanism and the ejector pin mechanism; the self-adaptive mechanism is set as follows: the thimble mechanism can swing in a first direction vertical to the axis of the thimble mechanism when being subjected to external force, and reset after the external force disappears.
Further, the self-adaptive mechanism comprises a pivoting mechanism and an elastic piece, wherein the pivoting mechanism is connected with the fixing mechanism and the ejector pin mechanism, and the elastic piece is arranged between the fixing mechanism and the ejector pin mechanism.
Furthermore, the pivoting mechanism comprises a fixed seat arranged on the fixing mechanism, a shaft hole arranged on the ejector pin mechanism and a rotating shaft which penetrates through the shaft hole and is fixed with the fixed seat.
Furthermore, the elastic part is a first spring axially fixed at the tail end of the thimble mechanism adjacent to the fixing mechanism, and the other end of the first spring is fixed on the fixing mechanism or the fixing seat.
Furthermore, an opening is formed in the fixing mechanism in the axial direction of the ejector pin mechanism, the fixing seat is provided with a base plate fixed on one side of the fixing mechanism, which deviates from the ejector pin mechanism, and a pair of side plates which extend through the opening from the base plate to one side of the ejector pin mechanism, the first spring penetrates through the opening and is fixed on the base plate, one end of the adjacent fixing mechanism of the ejector pin mechanism is located between the pair of side plates, and the rotating shaft is fixed on the side plates.
Furthermore, the thimble mechanism is provided with a probe body and a sleeve which is sleeved on the probe body and is electrically connected with the outside of the probe body.
Further, one end, far away from the fixing mechanism, of the sleeve is provided with a contact head, and the diameter of the contact head is larger than that of the probe body.
Further, the surface of the contact head is arranged in an uneven mode.
Further, photovoltaic module test fixture still includes the data acquisition line with thimble mechanism electric connection, the data acquisition line is connected the position of the adjacent contact head of sleeve.
Furthermore, the photovoltaic module testing tool further comprises a driving mechanism, and the driving mechanism and the ejector pin mechanism are respectively arranged on two sides of the fixing mechanism; the driving mechanism is provided with a driving plate, a guide rod vertically connected to one side, facing the driving plate, of the fixing mechanism and a second spring arranged between the driving plate and the fixing mechanism, and a through hole matched with the guide rod is formed in the driving plate, so that the driving plate can move towards or away from the fixing mechanism along the guide rod.
The utility model has the advantages that: the utility model discloses photovoltaic module test fixture, through setting up the self-adaptation mechanism of swing joint fixed establishment and thimble mechanism; the self-adaptive mechanism specifically comprises: the thimble mechanism can swing in a first direction vertical to the axis of the thimble mechanism when being subjected to external force, and reset after the external force disappears. Through above-mentioned device, can improve photovoltaic module test fixture's self-adaptation ability. When the component drives the photovoltaic component with the position of the test module slightly deviated or different frame widths are replaced, the ejector pin mechanism can automatically adjust the contact state between the ejector pin mechanism and the test electrode through swinging in the first direction, so that the contact head of the ejector pin mechanism and the test electrode are in good contact, the contact resistance is reduced, the accuracy and the stability of the photovoltaic component test are improved, and the structure is simple and easy to operate.
Drawings
Fig. 1 is the utility model discloses photovoltaic module test fixture's structural schematic.
Fig. 2 is an exploded view of the components of the photovoltaic module testing tool of fig. 1.
Fig. 3 is the utility model discloses during test photovoltaic module frock test with test module cooperation schematic diagram.
Figure 4 is adopting the utility model discloses contact resistance contrast map that photovoltaic module test fixture and former test fixture surveyed.
The test device comprises a fixing mechanism 100, a hole 110, a self-adaptive mechanism 200, a pivoting mechanism 210, a fixed seat 211, a base plate 2111, a side plate 2112, a rotating shaft 212, an elastic part 220, an ejector pin mechanism 300, a probe body 310, a shaft hole 311, a sleeve 320, a contact 321, a data acquisition line 400, a driving mechanism 500, a driving plate 510, a through hole 511, a guide rod 520, a stopping part 521, a second spring 530, a reinforcing part 540, a test module 600 and a test electrode 610.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
In the various drawings of the present invention, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration, and thus, are used only to illustrate the basic structure of the subject matter of the present invention.
The utility model provides a photovoltaic module test fixture, as shown in fig. 1 to 3, photovoltaic module test fixture includes fixed establishment 100, thimble mechanism 300, swing joint fixed establishment 100 and thimble mechanism 300's self-adaptation mechanism 200. The adaptive mechanism 200 is arranged to: when receiving an external force, the ejector pin mechanism 300 can swing in a first direction perpendicular to the axis thereof, and reset after the external force disappears. The utility model provides a from being suitable for mechanism 200 can automatically regulated thimble mechanism 300 satisfies the demand of thimble mechanism 300 good contact in the adaptability of test process.
Specifically, the fixing mechanism 100 is a rectangular plate made of an insulating material, and mainly plays a role in fixing the adaptive mechanism 200. The ejector pin mechanism 300 and the adaptive mechanism 200 are arranged on the fixing mechanism 100 at intervals in pairs.
In the process of testing the efficiency of the photovoltaic module, the thimble mechanism 300 is in contact with the test module 600 on the photovoltaic module, two test electrodes 610 are arranged on the test module 600, and the thimble mechanism 300 is in butt contact with the test electrodes 610. Specifically, the thimble mechanism 300 has a probe body 310 and a sleeve 320 sleeved outside the probe body 310, and one end of the sleeve 320 far away from the fixing mechanism 100 is in direct contact with the test electrode 610. Wherein, in the utility model discloses, sleeve 320's setting is convenient during other test procedures can be used in a flexible way to photovoltaic module test fixture, for example, if remove sleeve 320 can use this frock in photovoltaic module electroluminescence or insulating withstand voltage test process, realize photovoltaic module test fixture's multifunctionality.
Further, the sleeve 320 has a contact 321 at an end away from the fixing mechanism 100, the diameter of the contact 321 is larger than that of the probe body 310, and the larger area of the contact 321 can effectively increase the stability between the thimble mechanism 300 and the test electrode 610, thereby reducing the contact resistance of the photovoltaic module.
In addition, in the case where the surface of the contact 321 is smooth, point contact is easily formed when contacting the test electrode 610, resulting in an increase in contact resistance. As a preferred embodiment of the present invention, the surface of the contact 321 is uneven (not shown), the rough surface of the contact 321 can form multi-point contact, which is beneficial to the contact between the contact 321 and the test electrode 610, and further increases the contact area between the thimble mechanism 300 and the test electrode 610, thereby reducing the contact resistance. Preferably, the surface of the contact 321 is provided with tire threads, but the surface of the contact can be provided with other shapes of rough surfaces.
If the photovoltaic module carries the test module 600 slightly out of position, the contact connection between the test electrode 610 and the ejector pin mechanism 300 is affected. The utility model discloses a set up adaptive mechanism 200, can make thimble mechanism 300 produces the swing on the first direction of perpendicular its axis, thimble mechanism 300 adjusts the state of thimble mechanism 300 and test electrode 610 contact through the swing, makes to produce good contact between the two to reduce contact resistance. When the test is finished, the thimble mechanism 300 leaves the test electrode 610, and when the thimble mechanism 300 is no longer subjected to the abutting force of the test electrode 610, the adaptive mechanism 200 drives the thimble mechanism 300 to return to the original position.
As a preferred embodiment of the present invention, the adaptive mechanism 200 includes a pivot mechanism 210 connecting the fixing mechanism 100 and the thimble mechanism 300, and an elastic member 220 disposed between the fixing mechanism 100 and the thimble mechanism 300, when the thimble mechanism 300 receives the abutting force of the test electrode 610, the pivot mechanism 210 can achieve the purpose of swinging the thimble mechanism in the first direction, and accordingly, after the abutting force disappears, the elastic member 220 in the adaptive mechanism enables the thimble mechanism to reset.
The pivot mechanism 210 includes a fixing seat 211 disposed on the fixing mechanism 100, a shaft hole 311 disposed on the thimble mechanism 300, and a rotating shaft 212 passing through the shaft hole 311 and fixed to the fixing seat 211. That is, the pivot mechanism 210 fixes the ejector pin mechanism 300 on the fixing seat 211 through the rotating shaft 212, and provides a fixed base point for the swinging of the ejector pin mechanism 300, so that the ejector pin mechanism 300 swings around the rotating shaft 212.
Specifically, the axial hole 311 is disposed at one end of the probe body adjacent to the fixing mechanism 100, i.e., away from the contact 320.
The fixing seat 211 is a component connecting the adaptive mechanism 200 and the fixing mechanism 100, and preferably, the fixing seat 211 may be directly fixed to the fixing mechanism 100 by using a bolt, and of course, may also be integrally disposed on the fixing mechanism 100. As a preferred embodiment of the present invention, the fixing mechanism 100 is provided with an opening 110 along the axial direction of the thimble mechanism 300, and the fixing seat 211 has a pair of side plates 2112 fixed on the base plate 2111 of the fixing mechanism 100 deviating from one side of the thimble mechanism 300 and extending through the opening 110 from the base plate 2111 toward one side of the thimble mechanism 300. One end of the thimble mechanism 300 adjacent to the fixing mechanism 100 is located between the pair of side plates 2112, that is, the shaft hole 311 is disposed between the pair of side plates 2112, and accordingly, the rotating shaft 212 passes through the shaft hole 311 to fix the thimble mechanism 300 on the side plates 2112, and is preferably configured as a bolt.
In this embodiment, the elastic element 220 is a spring, which is referred to as a first spring, one end of the first spring is connected to the thimble mechanism through the shaft hole 311, and the other end of the first spring is fixed to the fixing mechanism 100 or the fixing base 211. In this embodiment, the first spring is fixed to the base plate 2111 through the opening; the purpose of storing and releasing elastic potential energy is reached easily as the part that utilizes elasticity to come work to first spring, the utility model discloses a spring that the elastic coefficient is great is as first spring, in order to guarantee first spring can bear through the butt power that thimble mechanism 300 transmitted comes.
It is understood that the adaptive mechanism 200 may also be a torsion spring (not shown). Specifically, one torsion arm of the torsion spring is fixedly connected to the fixing seat 211 or the fixing mechanism 100, the other torsion arm is fixedly connected to the thimble mechanism 300, and the rotating shaft 212 penetrates through the spring portion of the torsion spring to fix the torsion spring to the fixing seat 211 or the fixing mechanism 100. When the thimble mechanism 300 is subjected to the abutting force of the test electrode 610, the torsion arm connected to the thimble mechanism 300 drives other parts of the torsion spring to generate elastic deformation, so that the thimble mechanism 300 swings, the thimble mechanism 300 leaves the test electrode 610, the abutting force disappears, and the torsion spring releases elastic potential energy and drives the thimble mechanism 300 to reset.
As a preferred embodiment of the present invention, the photovoltaic module testing tool further includes a data collecting line 400 electrically connected to the thimble mechanism 300, for reducing the influence of the resistance of the thimble mechanism 300 itself on the testing result, the data collecting line 400 is connected to the position of the adjacent contact 321 of the sleeve 320, the number of the data collecting line 400 is reduced as much as possible with the distance of the thimble mechanism 300, thereby improving the accuracy of the testing result.
As a preferred embodiment of the present invention, the photovoltaic module testing tool further includes a driving mechanism 500, the driving mechanism 500 and the thimble mechanism 300 are respectively fixed to be disposed at two sides of the fixing mechanism.
Specifically, the driving mechanism 500 has a driving plate 510, a guide rod 520 vertically connected to a side of the fixing mechanism 100 facing the driving plate 510, and a second spring 530 disposed between the driving plate 510 and the fixing mechanism 100.
The driving plate 510 is provided with a through hole 511 which is engaged with the guide rod 520 so that the driving plate 510 can move toward or away from the fixing mechanism 100 along the guide rod 520. The driving mechanism 500 mainly pushes the driving plate 510 to move along the guiding rod 520 by an air cylinder (not shown), and further pushes the thimble mechanism 300 to move by the second spring 530, so as to abut against the test electrode 610, thereby performing power detection on the photovoltaic module. The guide rod 520 is provided with a stopper 521 adjacent to the end of the driving plate 510 to prevent the driving plate 510 from being separated from the guide rod 520 when moving along the guide rod 520.
Further, the second spring 530 is sleeved on the outside of the guiding rod 520 and is limited between the driving mechanism 500 and the fixing mechanism 100. The main functions of the second spring 530 are: on one hand, the second spring 530 is used to relieve the impact force on the fixing mechanism 100 when the driving mechanism 500 is pushed by the cylinder, and on the other hand, the second spring 530 transmits the driving force on the driving mechanism 500 to the fixing mechanism 100, so as to drive the thimble mechanism 300 to contact with the test electrode 610, thereby completing the whole test process.
The driving mechanism 500 further includes a reinforcing member 540 fixed to the driving plate 510, and the guide rods 520 are connected to the fixing plate 100 through the reinforcing member 540. When the driving plate 510 is reset, the stopping portion 521 directly abuts against the reinforcing member 540, so that the stopping portion 521 is prevented from wearing the driving plate 510.
Specifically, when an air cylinder drives the photovoltaic module testing tool, the driving plate 510 moves along the guide rod 520 toward the fixing plate 100, and simultaneously presses the second spring 530, so that the second spring 530 is elastically deformed, the second spring 530 transmits a part of force to the thimble mechanism 300 through the fixing mechanism 100, so as to urge the thimble mechanism 300 to be in abutting contact with the testing electrode 610, and when the thimble mechanism 300 is subjected to abutting force from the testing electrode 610 in the opposite direction, the thimble mechanism 300 swings under the adjustment of the adaptive mechanism 200, so as to adjust the contact head 321 of the thimble mechanism 300 to be in a front contact state with the testing electrode 610, increase the contact effect between the thimble mechanism 300 and the testing electrode 610, and reduce the contact resistance.
Figure 4 is adopting the utility model discloses the contrast picture of the contact resistance value that same photovoltaic module of photovoltaic module test fixture and former test fixture test obtained, the result that obtains in the picture is the result that 10 times obtained of random test. As can be seen from figure 4, adopt the utility model discloses a contact resistance average value that technical scheme surveyed is 5.244m omega lower than former test fixture average value, and contact resistance value is more stable moreover.
To sum up, the photovoltaic module testing tool of the present invention comprises a fixing mechanism 100, an ejector pin mechanism 300, and an adaptive mechanism 200 movably connecting the fixing mechanism 100 and the ejector pin mechanism 300; the adaptive mechanism 200 is arranged to: when receiving an external force, the ejector pin mechanism 300 can swing in a first direction perpendicular to the axis thereof, and reset after the external force disappears. Through the device, can improve photovoltaic module test fixture's self-adaptation ability, when the subassembly drives the test module position and slightly deviates or when changing the subassembly of different frame widths, thimble mechanism 300 can the automatically regulated and test the state of contact between the electrode 610, make thimble mechanism 300 the contact 321 with produce good contact between the test electrode 610 to reduce contact resistance, and then promote photovoltaic module test's accuracy and stability.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a photovoltaic module test fixture which characterized in that: comprises a fixing mechanism, an ejector pin mechanism and a self-adaptive mechanism movably connected with the fixing mechanism and the ejector pin mechanism; the self-adaptive mechanism is set as follows: the thimble mechanism can swing in a first direction vertical to the axis of the thimble mechanism when being subjected to external force, and reset after the external force disappears.
2. The photovoltaic module test fixture of claim 1, wherein: the self-adaptive mechanism comprises a pivoting mechanism and an elastic piece, wherein the pivoting mechanism is connected with the fixing mechanism and the ejector pin mechanism, and the elastic piece is arranged between the fixing mechanism and the ejector pin mechanism.
3. The photovoltaic module test fixture of claim 2, wherein: the pivoting mechanism comprises a fixed seat arranged on the fixing mechanism, a shaft hole arranged on the thimble mechanism and a rotating shaft which penetrates through the shaft hole and is fixed with the fixed seat.
4. The photovoltaic module test fixture of claim 3, wherein: the elastic piece is a first spring which is axially fixed at the tail end of the thimble mechanism adjacent to the fixing mechanism, and the other end of the first spring is fixed on the fixing mechanism or the fixing seat.
5. The photovoltaic module test tool of claim 4, wherein: the fixing mechanism is provided with an opening along the axial direction of the thimble mechanism, the fixing seat is provided with a base plate fixed on one side of the fixing mechanism, which deviates from the thimble mechanism, and a pair of side plates which extend through the opening from the base plate to one side of the thimble mechanism, the first spring penetrates through the opening and is fixed on the base plate, one end of the adjacent fixing mechanism of the thimble mechanism is positioned between the pair of side plates, and the rotating shaft is fixed on the side plates.
6. The photovoltaic module test fixture of claim 1, wherein: the thimble mechanism is provided with a probe body and a sleeve which is sleeved on the probe body and is electrically connected with the outside of the probe body.
7. The photovoltaic module test tool of claim 6, wherein: the one end that fixed establishment was kept away from to the sleeve is equipped with the contact, the contact diameter is greater than probe body diameter sets up.
8. The photovoltaic module test fixture of claim 7, wherein: the surface of the contact head is arranged in a rugged way.
9. The photovoltaic module test tool of any one of claims 6 to 8, wherein: the photovoltaic module test tool further comprises a data acquisition line electrically connected with the ejector pin mechanism, and the data acquisition line is connected to the position of the adjacent contact head of the sleeve.
10. The photovoltaic module test fixture of claim 9, wherein: the photovoltaic module testing tool further comprises a driving mechanism, and the driving mechanism and the ejector pin mechanism are respectively arranged on two sides of the fixing mechanism; the driving mechanism is provided with a driving plate, a guide rod vertically connected to one side, facing the driving plate, of the fixing mechanism and a second spring arranged between the driving plate and the fixing mechanism, and a through hole matched with the guide rod is formed in the driving plate, so that the driving plate can move towards or away from the fixing mechanism along the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758984.0U CN211981834U (en) | 2020-05-09 | 2020-05-09 | Photovoltaic module test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758984.0U CN211981834U (en) | 2020-05-09 | 2020-05-09 | Photovoltaic module test fixture |
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| Publication Number | Publication Date |
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| CN211981834U true CN211981834U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020758984.0U Active CN211981834U (en) | 2020-05-09 | 2020-05-09 | Photovoltaic module test fixture |
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| CN (1) | CN211981834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865704A (en) * | 2021-01-18 | 2021-05-28 | 江西兰丰科技有限公司 | Connector lug for testing photovoltaic module |
-
2020
- 2020-05-09 CN CN202020758984.0U patent/CN211981834U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865704A (en) * | 2021-01-18 | 2021-05-28 | 江西兰丰科技有限公司 | Connector lug for testing photovoltaic module |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210301 Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: CSI Cells Co.,Ltd. Patentee after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 348, Lushan Road, high tech Zone, Suzhou City, Jiangsu Province, 215010 Patentee before: SUZHOU CANADIANSOLAR ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |