CN210123966U

CN210123966U - Photovoltaic module's test fixture

Info

Publication number: CN210123966U
Application number: CN201921262119.0U
Authority: CN
Inventors: 孙哲; 崔金龙; 李醒; 王一帆; 程向南
Original assignee: Atlas Photovoltaic Power Luoyang Co Ltd; CSI Cells Co Ltd; CSI Solar Power Group Co Ltd
Current assignee: Artes Photovoltaic Power Luoyang Co ltd; Canadian Solar Inc; CSI Cells Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-03-03
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a photovoltaic module's test fixture, this test fixture are suitable for and install on photovoltaic module's terminal box, and test fixture includes two frock subassemblies, and every frock subassembly all includes joint spare, electrically conductive piece and fitting piece, and joint spare is suitable for the joint on the extraction line of terminal box, and electrically conductive piece is connected on joint spare, and the one end of fitting piece switches on with electrically conductive, and the other end of fitting piece switches on with the extraction line of terminal box. The test tool is simple in structure and can be suitable for photovoltaic modules of various models.

Description

Photovoltaic module's test fixture

Technical Field

The utility model relates to a photovoltaic technology equipment field especially relates to a photovoltaic module's test fixture.

Background

The photovoltaic module is generally manufactured by connecting a certain number of photovoltaic cells in series through solder strips or other methods, and then performing processes such as typesetting, stacking, laminating, final assembly and the like. After the device is fabricated, the device needs to be tested for its voltammetric characteristics, withstand voltage, Electroluminescence (EL), insulation resistance, and the like for the purpose of sorting, confirmation of performance requirements, and the like. In order to improve efficiency, test items in which the detection ratio is 100% are generally performed one by one on an industrial production line. When the assembly is tested, the positive and negative connectors of the assembly are connected with the testing equipment. In order to achieve the purposes of improving the testing efficiency, saving labor and reducing the abrasion of the connector of the component when the component is tested on the industrial production line, a testing tool is usually used for realizing the conduction connection between the anode and the cathode of the component and testing equipment respectively.

Most of the current test tools need to be fixed on the frame of the component when in use. Along with the development of the photovoltaic industry, the structure of the component frame is continuously optimized, more and more types of photovoltaic component frames are generated, and the frameless photovoltaic component is also generated. In addition, the volume and the weight of the test tools are large, so that the defects of high operation strength and high manufacturing cost are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic module's test fixture, this test fixture's simple structure can be applicable to the photovoltaic module of multiple model.

For realizing the technical effect, the utility model discloses a photovoltaic module's test fixture's technical scheme as follows:

the utility model provides a photovoltaic module's test fixture, test fixture is suitable for to be installed on photovoltaic module's the terminal box, test fixture includes two frock subassemblies, every the frock subassembly all includes: the clamping piece is suitable for being clamped on the junction box; the conductive piece is connected to the clamping piece; and one end of the fitting piece is communicated with the conductive piece, and the other end of the fitting piece is communicated with the outgoing line of the junction box.

In some embodiments, the clamping member is provided with a clamping groove, and the clamping groove is suitable for being clamped on the leading-out wire.

In some alternative embodiments, the width of the card slot gradually decreases in a direction toward the opening.

In some embodiments, the clip is an insulator.

In some embodiments, the mating member comprises: the connecting part is connected with the conductive piece; the connecting terminal is suitable for being in conduction connection with the outgoing line; and one end of the connecting wire is connected with the connecting terminal, and the other end of the connecting wire is in conduction connection with the conductive piece.

In some optional embodiments, a clamping groove is formed in the connecting portion, and one end of the conductive member is fitted in the clamping groove.

In some alternative embodiments, the connecting portion is connected to the conductive member by a connecting member, and one end of the connecting wire is wound around the connecting member.

In some alternative embodiments, the connecting portion is an insulator.

In some optional embodiments, the clamping member and the conductive member are integrally formed.

In some optional embodiments, the conductive member is a brass plate.

The utility model discloses a photovoltaic module's test fixture because this test fixture direct mount is on photovoltaic module's terminal box, simple structure, simple to operate, application scope is wider, can adapt to the photovoltaic module of multiple model.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a test fixture of a photovoltaic module according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another direction of the test fixture for photovoltaic modules according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the test fixture for photovoltaic modules according to another embodiment of the present invention.

Reference numerals:

1. a clamping piece; 11. a card slot; 2. a conductive member; 3. a mating member; 31. a connecting portion; 311. a clamping groove; 32. a connection terminal; 33. and connecting the wires.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes a specific structure of a test fixture for a photovoltaic module according to an embodiment of the present invention with reference to fig. 1 to 3.

The utility model discloses photovoltaic module's test fixture can be used for when photovoltaic module tests, with test equipment's metal probe and photovoltaic module's the lead-out wire intercommunication of terminal box to test photovoltaic module's performance. For the test requirements of the photovoltaic assemblies with frames of different models and the frameless photovoltaic assemblies, the test tool in the embodiment is suitable for being installed on a junction box of the photovoltaic assemblies, so that the connection between the test tool and the photovoltaic assemblies is not affected by the models of the frames.

Specifically, as shown in fig. 1-2, the test fixture includes a fixture assembly, the fixture assembly includes a clamping member 1, a conductive member 2 and a fitting member 3, the clamping member 1 is adapted to be clamped on a lead-out wire of the junction box, the conductive member 2 is connected to the clamping member 1, one end of the fitting member 3 is conducted with the conductive member 2, and the other end of the fitting member 3 is conducted with the lead-out wire of the junction box.

It should be noted here that, during photovoltaic module testing, both the positive pole and the negative pole of the junction box of the photovoltaic module need to be connected with the testing equipment in a conduction manner, and therefore, two tool assemblies can be used in cooperation.

It can be understood that, in the actual use process, two clamping pieces 1 are respectively clamped on two lead-out wires of the junction box, then two matching pieces 3 are respectively in conduction connection with the two lead-out wires, so that the two conductive pieces 2 are conducted with the lead-out wires of the junction box of the photovoltaic assembly, and then the test can be completed only by keeping the metal probes of the test equipment in butt joint with the conductive pieces 2. The utility model discloses a test fixture installs on the terminal box, compares the current technical scheme of installing at the photovoltaic module frame, the utility model discloses a test fixture structure is simpler, and it is more convenient to install. In addition, although the photovoltaic modules of different models have larger difference in size and structure, the structures of the junction boxes are approximately the same, the diameters of the outgoing lines of the junction boxes are basically the same, and the test tool of the embodiment is installed on the junction boxes of the photovoltaic modules, so that the test tool of the embodiment has wider application range and can be adapted to photovoltaic modules of more models.

In some optional embodiments, the conductive component 2 is formed as a conductive plate, and the conductive plate has a large area, which facilitates the connection between the conductive component 2 and the mating component 3, and also facilitates the matching between the metal probe of the testing device and the conductive component 2, thereby ensuring the conduction stability among the testing device, the conductive component 2, and the mating component 3 during the testing process.

In some optional embodiments, a groove matched with a metal probe of the testing equipment is formed on the conductive member 2, so as to further ensure the connection stability of the metal probe and the conductive member 2.

In some embodiments, the clip member 1 is provided with a clip groove 11, and the clip groove 11 is adapted to be clipped on the outgoing line. It can be understood that, the clamping groove 11 is adopted as the connecting structure of the clamping piece 1 and the outgoing line, which not only facilitates the fixing and the dismounting of the clamping piece 1, but also simplifies the structure of the clamping piece 1 and reduces the production cost.

In some alternative embodiments, the width of the card slot 11 gradually decreases in a direction toward the opening. From this, because the width of draw-in groove 11 reduces gradually towards open-ended direction, reduced the probability that the lead-out wire is deviate from in draw-in groove 11, guaranteed the connection stability of joint spare 1.

In some embodiments, the clip 1 is an insulator. The potential safety hazard that joint spare 1 electrified leads to of joint spare in can avoiding the test process on the one hand for the insulating part, and on the other hand joint spare 1 adopts the insulating material that has certain elasticity to make the lead-out wire joint that can conveniently make things convenient for the terminal box of photovoltaic module in draw-in groove 11, has made things convenient for the user to install test fixture.

It should be additionally noted that, the joint member 1 of the present invention may be made of insulating materials such as nylon, plastic, rubber, etc., and the material of the joint member 1 is not limited herein. Furthermore, in other embodiments of the present invention, the clip member 1 can be clipped on the leading-out wire by other structures such as a hook, and is not limited to the structure of the clip slot 11 of this embodiment.

In some embodiments, the conductive member 2 is connected to the clip member 1 by screws, rivets, or the like. The connection stability of the conductive piece 2 and the clamping piece 1 is guaranteed, and therefore the phenomenon that the conductive piece 2 shakes to cause test result deviation in the test process is avoided to a certain extent.

In some embodiments, the mating member 3 includes a connecting portion 31, the connecting portion 31 is connected to the conductive member 2, the connecting terminal 32 is adapted to be electrically connected to the outgoing line, and one end of the connecting line 33 is connected to the connecting terminal 32 and the other end is electrically connected to the conductive member 2. The both ends of electrically conductive piece 2 are connected between connecting portion 31 and joint spare 1, have guaranteed the stability of electrically conductive piece 2 betterly to the phenomenon that electrically conductive piece 2 takes place to rock and influences the test result in the test procedure has been avoided and has been taken place. And adopt connecting terminal 32 and lead-out wire conducting connection, convenience of customers will mate 3 and be connected to the lead-out wire to the installation of whole test fixture has been made things convenient for. In addition, the length of the connecting line 33 can be adjusted according to actual needs in actual use, so that the test tool can better meet the use needs.

In some alternative embodiments, the conductive member 2 and the connection line 33 are conductively connected by soldering. Therefore, the resistance of the contact point of the connecting wire 33 and the conductive piece 2 is reduced, the influence of the test tool on the test result is reduced, and the conductive piece 2 and the connecting wire 33 are convenient to connect and detach. Of course, in other embodiments of the present invention, the conductive member 2 and the connection line 33 may be connected by other connection methods, and are not limited to the soldering connection of the embodiment.

In some alternative embodiments, the connecting portion 31 is provided with a clamping groove 311, and one end of the conductive member 2 is fitted in the clamping groove 311. Therefore, the connection stability of the conductive piece 2 and the connecting part 31 is better ensured, and the phenomenon that the conductive piece 2 shakes in the test process is better avoided. Of course, in other embodiments of the present invention, the connecting portion 31 and the conductive member 2 may be connected by a connecting member such as a screw or a rivet, or may be connected by bonding or press-fitting, and is not limited to the connecting manner of the joint slot 311 joint of this embodiment.

In some alternative embodiments, the connection portion 31 is connected to the conductive member 2 by a connecting member, and one end of the connecting wire 33 is wound around the connecting member. It can be understood that, connecting the conductive device 2 to the connecting portion 31 through the connecting member can greatly improve the connection stability of the conductive device 2, thereby better avoiding the conductive device 2 from shaking during the test. In addition, one end of the connecting wire 33 is connected to the conductive device 2 after being wound on the mating member 3, which not only ensures the connection stability between the connecting wire 33 and the conductive device 2, but also avoids the phenomenon that the connecting wire 33 is easily separated from the conductive device 2 under the action of external force.

In some alternative embodiments, the connection portion 31 is an insulator. From this, it is electrified to have avoided connecting portion 31 among the test procedure better to the safety in utilization of test fixture has been promoted.

In some alternative embodiments, the clamping member 1 and the conductive member 2 are integrally formed. Therefore, the number of parts of the test tool can be reduced, the structure of the test tool is simplified, and the production cost of the test tool is reduced.

In some alternative embodiments, the conductive member 2 is a brass plate. The conductivity of brass is better, and wearability and corrosion resistance are better, and electrically conductive 2 adopts brass to make under the prerequisite of having guaranteed electrically conductive property of electrically conductive 2, has prolonged the practical life of electrically conductive 2 to a certain extent. Of course, in other embodiments of the present invention, the conductive member 2 may be made of other conductive materials, and is not limited to brass.

Example (b):

the following describes a test fixture for a photovoltaic module according to an embodiment of the present invention with reference to fig. 1 to 3.

As shown in fig. 1-3, the utility model discloses photovoltaic module's test fixture is suitable for and installs on photovoltaic module's terminal box, and test fixture includes two frock subassemblies, and every frock subassembly all includes joint spare 1, electrically conductive 2 and fitting piece 3, is equipped with draw-in groove 11 on the joint spare 1, and draw-in groove 11 is suitable for the joint on the outgoing line. The width of the clamping groove 11 is 6.5mm, and the depth is 10 mm. The conductive piece 2 is formed as a brass plate of 90mm × 35mm × 1mm, and one end of the conductive piece 2 is connected to the engaging piece 1 by a screw and the other end is connected to the mating piece 3 by a screw. The fitting member 3 includes a connecting portion 31, a connecting terminal 32 and a connecting wire 33, the connecting portion 31 is provided with a clamping groove 311, one end of the conductive member 2 is clamped in the clamping groove 311, the connecting terminal 32 is suitable for being conductively connected with a leading-out wire, one end of the connecting wire 33 is connected with the connecting terminal 32, and the other end of the connecting wire 33 is conductively connected with the conductive member 2 through soldering.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a photovoltaic module's test fixture, its characterized in that, test fixture is suitable for to be installed on photovoltaic module's the terminal box, test fixture includes the frock subassembly, the frock subassembly all includes:

the clamping piece (1) is suitable for being clamped on the lead-out wire of the junction box;

the conductive piece (2), the said conductive piece (2) is connected to said joint part (1);

and one end of the fitting piece (3) is communicated with the conductive piece (2), and the other end of the fitting piece (3) is communicated with the outgoing line of the junction box.

2. The photovoltaic module testing tool according to claim 1, wherein a clamping groove (11) is formed in the clamping member (1), and the clamping groove (11) is suitable for being clamped on the lead-out wire.

3. The test fixture of a photovoltaic module according to claim 2, characterized in that the width of the clamping groove (11) is gradually reduced in a direction towards the opening.

4. The photovoltaic module testing tool according to claim 1, wherein the clamping member (1) is an insulating member.

5. The photovoltaic module testing tool according to claim 1, wherein the fitting piece (3) comprises:

the connecting part (31), the connecting part (31) is used for clamping the conductive piece (2);

a connection terminal (32), the connection terminal (32) being adapted to be conductively connected to the lead-out wire;

and one end of the connecting wire (33) is connected with the connecting terminal (32), and the other end of the connecting wire (33) is in conduction connection with the conductive piece (2).

6. The photovoltaic module testing tool according to claim 5, wherein a clamping groove (311) is formed in the connecting portion (31), and one end of the conductive member (2) is fitted in the clamping groove (311).

7. The photovoltaic module testing tool according to claim 5, wherein the connecting portion (31) is connected with the conductive member (2) through a connecting member, and one end of the connecting wire (33) is wound on the connecting member.

8. The photovoltaic module testing tool according to claim 5, wherein the connecting portion (31) is an insulating member.

9. The photovoltaic module testing tool according to claim 1, wherein the clamping member (1) and the conductive member (2) are integrally formed.

10. The photovoltaic module testing tool according to any one of claims 1-9, wherein the conductive member (2) is a brass plate.