CN218101737U

CN218101737U - Power-on test assembly and power-on test tool

Info

Publication number: CN218101737U
Application number: CN202221516278.0U
Authority: CN
Inventors: 魏荣章; 常战
Original assignee: Wuxi Yuanchuang Intelligent Photoelectric Technology Co ltd
Current assignee: Wuxi Yuanchuang Intelligent Photoelectric Technology Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-20
Anticipated expiration: 2032-06-17

Abstract

The utility model provides a circular telegram test assembly and circular telegram test fixture, include: a base having an assembly area, at least two conductors assembled to the assembly area, and a conductive head; the assembly area includes: the first mounting area is formed at the top of the base and used for mounting the conductor, and the second mounting area is formed at the side of the base and used for mounting the conductive head; and a plurality of conduction parts used for connecting the conductor and the conductive head are arranged between the first mounting area and the second mounting area. Through the application, the influence of resistance from the conductor can be reduced when the photovoltaic module is tested, so that the accuracy of the power detection of the power-on test module on the photovoltaic module is improved.

Description

Power-on test assembly and power-on test tool

Technical Field

The utility model relates to a photovoltaic detection technology field especially relates to a circular telegram test subassembly and circular telegram test fixture.

Background

In the production process of the photovoltaic module, in order to classify the efficiency of the photovoltaic module, an energization testing tool is required to perform an IV test on the photovoltaic module (i.e., test the I-V characteristics of the cells in the photovoltaic module) so as to detect a series of parameters such as open-circuit voltage, power and series resistance of the cells in the photovoltaic module.

In the power-on test tool in the prior art, four copper sheets are generally used by adopting a Kelvin test method, when in test, two sockets of a photovoltaic module are correspondingly inserted into two positive/negative plugs of the power-on test tool, and then the four copper sheets are closely contacted with four probes on a power tester, so that the influence of the contact resistance change between the probes and the four copper sheets on the test tool on the test power of the photovoltaic module is reduced.

However, the copper sheet of the electrification testing tool in the prior art is connected with the positive/negative electrode plug through the electric testing cable, so that the electrification testing tool is easily influenced by the resistance of the electric testing cable, and the accuracy of the electrification testing component in detecting the power of the photovoltaic component is reduced.

In view of the above, there is a need for an improved assembly for conducting a power-on test on a photovoltaic module in the prior art to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose an circular telegram test subassembly and circular telegram test fixture for solve among the prior art be used for carrying out the great deal of defect that the subassembly of circular telegram test exists to photovoltaic module, especially reduce the resistance influence that comes from the conductor when testing photovoltaic module in order to realize, thereby improve circular telegram test subassembly to the accuracy that photovoltaic module power detected.

In order to achieve the above object, the utility model provides an energization testing component, include: a base having an assembly area, at least two conductors assembled to the assembly area, and a conductive head;

the assembly area includes:

a first mounting area formed on the top of the base and used for mounting the conductor, and a second mounting area formed on the side of the base and used for mounting the conductive head;

and a plurality of conducting parts used for connecting the conductor and the conductive head are arranged between the first mounting area and the second mounting area.

As a further improvement of the present invention, the conductive part includes a conductive element at least partially embedded in the base;

the conductive element is constructed into a conductive sheet which is at least partially embedded in the first mounting area and the second mounting area and at least partially contacts the conductive body and the conductive head.

As a further improvement of the present invention, the conductive head comprises at least two isolated insertion pieces;

the inserting piece comprises a conductive base partially embedded in the base and a terminal protruding out of the base;

the conducting part comprises a conducting piece which sequentially penetrates through the conductor and the base and is electrically connected with the conducting base, and the conducting piece can be adjusted along the Z axis or abuts against the conducting base.

As a further improvement of the present invention, the conductive portion includes a plurality of through holes sequentially formed through the conductive body and the base and at least a portion of the through holes are formed through the conductive base and the conductive member along the Z-axis.

As a further improvement of the present invention, the assembly area includes a first installation area and a second installation area which are at least partially communicated, so that the electric conductor is electrically connected to the conductive head.

As a further improvement, the assembly area includes the card and holds the electric conductor supplies the gliding first installation area of electric conductor.

As a further improvement of the present invention, the insertion sheet is the same as the number of the electric conductors to establish at least two electric signal paths.

As a further improvement of the utility model, an insulator is arranged between the two inserting pieces, so that the insulator can isolate the adjacent inserting pieces.

As a further improvement of the present invention, the terminal enclosure is formed as a hollow cylinder or a solid cylinder.

Based on the same invention thought, the utility model also discloses a circular telegram test fixture, include:

the main pipe body is inserted into the secondary pipe body of the main pipe body along the length direction of the main pipe body, and the main pipe body and/or the secondary pipe body are/is coated with a light absorption layer;

a power-on test assembly as disclosed in any one of the preceding inventions movably mounted to the secondary tube body and arranged in pairs.

Compared with the prior art, the beneficial effects of the utility model are that:

install electric conductor and conductive head to first installation region and second installation region respectively, through conducting part electric connection electric conductor and conductive head for conductive head and electric conductor and conducting part can establish the signal of telecommunication route that is used for transmitting photovoltaic module detection data, can reduce the contact resistance between electric conductor and the conductive head through this signal of telecommunication route direct transmission signal of telecommunication, reduce the influence to photovoltaic module power detection data, thereby improve the accuracy of circular telegram test subassembly to photovoltaic module power detection.

Drawings

FIG. 1 is an exploded view of the power-on test assembly of the present invention;

FIG. 2 is a perspective view of the power-on test assembly;

FIG. 3 is a front view of the power-on test assembly;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a perspective view of the base and the first mounting area;

fig. 6 is a perspective view of another power-on test assembly of the present invention;

fig. 7 is a top view of the power-on test tool including the power-on test assembly of the present invention.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

It should be understood that in the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present disclosure.

In particular, in the embodiment of the present invention, the term "longitudinal section" refers to a sectional view formed by cutting each component along an angle parallel to a paper surface in a vertical direction in fig. 4, unless otherwise specified.

The energization testing component 20 disclosed in this embodiment is used for implementing power testing on a photovoltaic module by using the energization testing tool 10 disclosed in the following embodiments, and can improve accuracy of power detection on the photovoltaic module. The conductive body 23 and the conductive head 24 are electrically connected through the conductive part 25, so that an electrical signal path for transmitting detection data of the photovoltaic module (not shown) can be established between the conductive head 24 and the conductive body 24, and an electrical signal can be directly transmitted between the conductive body 23 and the conductive head 24 through the conductive part 25, thereby preventing contact resistance change generated between the conductive body 23 and the conductive head 24 from influencing power detection of the photovoltaic module (not shown), and further improving accuracy of power detection of the photovoltaic module (not shown).

The base 21 in this embodiment is used for supporting the conductor 23 and the contact 24, and can perform the function of isolating and insulating the conductor 23 and the contact 24. The conductive portion 25 in this embodiment is used to connect the conductive body 23 and the conductive head 24 and can conduct and/or fix the conductive body 23 and the conductive head 24.

The specific implementation of the power-on test assembly and the power-on test tool disclosed in the present application is described in detail below.

Please refer to fig. 1 to 6, which illustrate an embodiment of a power-on test assembly.

As shown in fig. 1 to 4, a base 21 having a mounting region 22, at least two conductive bodies 23 mounted to the mounting region 22, and a conductive head 24; the mounting region 22 includes: a first mounting region 221 formed at the top of the base 21 for mounting the conductive body 23, and a second mounting region 222 formed at the side of the base 21 for mounting the conductive head 24; between the first mounting region 221 and the second mounting region 222, a plurality of conductive portions 25 for connecting the conductive body 23 and the conductive head 24 are disposed.

Firstly, the conductive head 24 is installed in the second installation region 222 formed on the side of the base 21, and then the conductive body 23 is installed in the first installation region 221 formed on the top of the base 21, because the first installation region 221 and the second installation region 222 are located at different positions of the base 21, the conductive body 23 and the conductive head 24 are isolated from each other, so that the base 21 can insulate the conductive body 23 and the conductive head 24.

Next, a socket (not shown) of a photovoltaic module (not shown) to be tested is plugged into the conductive head 24, and a probe (not shown) of a power tester (not shown) is contacted with the conductive body 23 on the top of the base 21 to form an electrical connection.

Finally, the conductive head 24 and the conductive body 23 are connected through the conductive part 25, so that the conductive head 24, the conductive part 25 and the conductive body 23 are electrically connected, two mutually independent electrical signal paths for transmitting detection data of the photovoltaic module (not shown) can be established between the two conductive heads 24 and the two conductive bodies 23, and the contact resistance between the conductive bodies 23 and the conductive heads 24 can be reduced by directly transmitting electrical signals through the two established electrical signal paths, so that the influence on the power detection data of the photovoltaic module (not shown) is reduced, and the accuracy of the power detection of the photovoltaic module (not shown) by the energization testing component 20 is improved.

As shown in fig. 3 to 5, the conducting part 25 includes a conducting member 251 at least partially embedded in the base 21; the conductive element 251 is configured with conductive tabs 2511 at least partially embedded in the first mounting region 221 and the second mounting region 222 and at least partially contacting the conductive body 23 and the conductive head 24. A conductor 251a as shown in fig. 4 is embedded in the base 21 between the first mounting region 221 and the second mounting region 222. The conductive piece 2511 may be at least partially embedded in the first mounting region 221 and the second mounting region 222, or may be completely embedded in the first mounting region 221 and the second mounting region 222, as long as the contact conductor 23 and the conductive head 24 can be electrically connected.

The conductive piece 2511 electrically connected with the conductive body 23 and the conductive head 24 is constructed by the conductive piece 251a, so that the conductive body 23, the conductive piece 251a and the conductive body 23 can establish an electrical signal path for transmitting detection data of the photovoltaic module (not shown), and then the electrical signal is directly transmitted through the electrical signal path, so that the contact resistance between the conductive body 23 and the conductive head 24 can be reduced, the influence on the power detection of the photovoltaic module (not shown) is reduced, and the accuracy of the power detection of the power-on test module 20 on the photovoltaic module (not shown) is improved.

As shown in fig. 1, 2 and 5, the mounting region 22 includes a first mounting region 221 and a second mounting region 222 at least partially connected to each other for electrically connecting the conductive body 23 and the conductive head 24. It should be noted that the first mounting region 221 and the second mounting region 222 may be at least partially communicated, may form a plurality of partially communicated regions, and may even be completely communicated, as long as the conductive body 23 and the conductive head 24 respectively mounted on the first mounting region 221 and the second mounting region 222 can be directly contacted and form at least one contact surface (not shown).

Through at least one contact surface (not shown) formed by the conductor 23 and the contact head 24 which are respectively installed in the first installation area 221 and the second installation area 222, the conductor 23 and the contact head 24 which are in direct contact can be electrically connected, so that the conductor 23 and the conductor 251 can directly establish an electrical signal path for transmitting detection data of a photovoltaic assembly (not shown), and the direct transmission of the electrical signal through the electrical signal path can reduce the contact resistance between the conductor 23 and the contact head 24, so as to reduce the influence on the power detection data of the photovoltaic assembly (not shown), and improve the accuracy of the power detection of the photovoltaic assembly (not shown) by the energization testing assembly 20.

As shown in fig. 1 to 5, the mounting area 22 includes a first mounting area 221 that holds the electrical conductor 23 and allows the electrical conductor 23 to slide. The first mounting region 221 may be configured as a dovetail groove shape, or may be configured as a mounting groove having a longitudinal cross-sectional shape of any polygonal shape, as long as the conductor 23 can be mounted by sliding and holding the conductor 23. By sliding the conductor 23 into the first installation area 221, the first installation area 221 can clamp and hold the conductor 23 to realize installation, so that the conductor 23 is prevented from falling off from the base 21, and the transmission stability of the conductor 23 and the conductive head 24 and/or the conductor 251 in transmitting detection data of a photovoltaic module (not shown) is improved.

As shown in fig. 1-3, the conductive head 24 includes at least two spaced-

apart tabs

24a,24b; the

tabs

24a,24b comprise a conductive base 241 partially embedded in the base 21, and terminals 242 protruding out of the base 21; the conducting part 25 includes a conducting element 251 sequentially penetrating the conductor 23 and the base 21 and electrically connecting the conducting base 241, and the conducting element 251 is adjustable along the Z-axis or abuts against the conducting base 241. The conductive base 241 is embedded in the second mounting region 222 of the base 21. It should be noted that the conductive element 251 shown in fig. 2 can be a conductive screw (e.g., a bolt) adjustable along the Z-axis in fig. 1, or a conductive pin (e.g., a pin) penetrating the conductive body 23 and the base 21, as long as the functions of fixing the conductive body 23 on the base 21 and holding the conductive base 241 and fixing the conductive base 241 in the base 21 can be achieved.

The conductive element 251 sequentially penetrates through the conductive body 23 and the base 21 and is in contact with the conductive base 241 to form electrical connection, so that the conductive element 251, the conductive body 23 and the conductive base 241 can establish an electrical signal path for transmitting detection data of a photovoltaic module (not shown), contact resistance between the conductive body 23 and the conductive head 24 is reduced, influence on power detection of the photovoltaic module (not shown) is reduced, and accuracy of the power detection of the photovoltaic module (not shown) by the power-on test module 20 is improved.

As shown in fig. 1 to 4, the conducting portion 25 includes a conducting element 251 that sequentially penetrates through the conducting body 23 and the base 21 and at least partially penetrates through the conducting base 241 and is adjustable along the Z-axis. When the conductive member 251 is configured as a bolt, the conductive member 251 may or may not have conductivity, and a tip (not shown) of the conductive member 251 may partially penetrate through the conductive base 241 or may completely penetrate through the conductive base 241, as long as the function of fixing the conductive base 241 in the base 21 is achieved.

When the conductive element 251 is conductive, the conductive element 251 sequentially penetrates through the conductive body 23 and the base 21 and at least partially penetrates through the conductive base 241 to form an electrical connection, so that the conductive element 251, the conductive body 23 and the conductive base 241 can establish an electrical signal path for transmitting detection data of a photovoltaic module (not shown).

When the conducting element 251 has no conductivity, the conducting element 251 sequentially penetrates through the conductor 23 and the base 21 and at least partially penetrates through the conducting base 241, so that the conducting element 251 can only realize the function of fixing the conductor 23 and the conducting base 241 on the base 21, and at this time, the conductor 23 and the conducting head 24 need to satisfy the condition of at least one contact surface (not shown) formed by direct contact, or satisfy the condition that the conducting sheet 2511 constructed by the conducting element 251a contacts the conductor 23 and the conducting head 24 to form electrical connection, so that the conductor 23 and the conducting head 24 and/or the conducting element 251a can establish an electrical signal path for transmitting detection data of a photovoltaic module (not shown).

As shown in fig. 1-4, the

blades

24a,24b are the same number as the electrical conductors 23 to establish at least two electrical signal paths. The electrical conductors 23, which are arranged in two, can establish two electrical signal paths for transmitting detection data of the photovoltaic module (not shown) with the

blades

24a and 24b, respectively, when the electrical conductors 23 are electrically connected with the

blades

24a and 24b by the conductive portions 25 or the electrical conductors 23 are electrically connected with the

blades

24a and 24b by the first and second mounting

regions

221 and 222 which are at least partially in communication.

Specifically, as shown in fig. 1 and 3, an insulator 26 is disposed between two

tabs

24a,24b to separate adjacent tabs 24a from tabs 24b by insulator 26. The insulating isolation is realized on the adjacent insert 24a and the insert 24b through the insulator 26, so that the two aforementioned electrical signal paths for transmitting the detection data of the photovoltaic module (not shown) can be independent from each other, so as to prevent the two electrical signal paths from interfering with each other when transmitting the electrical signal of the detection data of the photovoltaic module (not shown), thereby improving the accuracy of the power detection of the photovoltaic module (not shown) by the power-on test module 20.

As shown in fig. 1 and 2, the terminals 242 are enclosed to form a hollow cylinder or a solid cylinder. It should be noted that the hollow column or the solid column enclosed by the terminal 242 may be selected according to the kind of the socket (not shown) of the photovoltaic module (not shown), as long as the plug connection with the socket (not shown) of the photovoltaic module (not shown) can be achieved.

Based on the technical scheme of the power-on test assembly disclosed by the foregoing embodiment, the embodiment also discloses a power-on test tool.

Referring to fig. 6 and 7, in the present embodiment, the energization testing jig 10 includes: a primary pipe body 11, a secondary pipe body 12 inserted into the primary pipe body 11 along a length direction of the primary pipe body 11, the primary pipe body 11 and/or the secondary pipe body 12 being coated with a light absorbing layer 13 (not shown); a power-on test assembly 20 as disclosed in the above embodiments movably mounted to the secondary pipe 12 and arranged in pairs. Illustratively, the light absorbing layer 13 may be formed by integrally spraying black paint on the primary tube 11 and/or the secondary tube 12, so as to reduce specular reflection and diffuse reflection of light from the power testing tool 10, reduce the influence of external illumination when detecting the photovoltaic module (not shown), and reduce interference caused when performing a power test on the photovoltaic module, so as to ensure the accuracy of a test result of the photovoltaic module. Thereby ensuring the accuracy of the power detection of the photovoltaic assembly (not shown) by the power-on test tool 10.

It should be noted that the energization testing component 20 may be installed on the secondary pipe 12 through a bolt, or may be clamped on the secondary pipe 12, as long as it can be installed and fixed on the secondary pipe 12. And the power-on test component 20 can be adjusted on the secondary pipe 12 in a sliding manner, so that the installation positions of the power-on test component 20 and the power-on test component 20' on the secondary pipe 12 can be adjusted flexibly according to requirements. In practical use, firstly, the energization testing component 20 and the energization testing component 20' are respectively installed on the secondary pipe bodies 12 at two ends of the main pipe body 11, and meanwhile, the positions of the secondary pipe bodies 12 in the main pipe body 11 can be adjusted according to requirements so as to adjust the length of the energization testing tool 10.

Next, when the conductive head 24 in the energization testing component 20 is a negative electrode and the conductive head 24' in the energization testing component 20' is a positive electrode, a socket (not shown) of the photovoltaic component (not shown) is respectively connected with the conductive head 24 and the conductive head 24' in an inserting manner, and then a probe (not shown) of the power tester (not shown) is contacted with the conductive body 23 in the energization testing component 20 to form an electrical connection.

Finally, four electrical signal paths which are used for transmitting detection data of the photovoltaic assembly (not shown) and do not interfere with each other can be established by the energization testing assembly 20 and the energization testing assembly 20', so that a kelvin test method can be adopted in the power detection process of the photovoltaic assembly (not shown), and meanwhile, the influence on the power detection data of the photovoltaic assembly (not shown) is reduced by reducing the contact resistance between the electric conductor 23 and the electric conductor head 24, and the accuracy of the energization testing tool 10 on the power detection of the photovoltaic assembly (not shown) is improved.

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.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A power-on test assembly, comprising:

a base having an assembly area, at least two conductors assembled to the assembly area, and a conductive head;

the assembly area includes:

a first mounting region formed on the top of the base and used for mounting the conductor, and a second mounting region formed on the side of the base and used for mounting the conductor;

2. The power testing assembly of claim 1, wherein the conductive portion comprises a conductive piece at least partially embedded in the base;

3. A power-on test assembly as claimed in claim 1, wherein the conductive head comprises at least two isolated blades;

4. The electrical testing assembly of claim 3, wherein the conductive portion comprises a conductive element that extends through the electrical conductor and the base in sequence and at least partially through the conductive base and is adjustable along the Z-axis.

5. The power-on test assembly of claim 1, wherein the mounting area includes a first mounting area and a second mounting area in at least partial communication for electrically connecting the electrical conductors to the electrical contacts.

6. The power-on test assembly of claim 5, wherein the mounting area includes a first mounting area that retains the electrical conductors and allows the electrical conductors to slide.

7. The power-on test assembly of claim 3, wherein the number of blades and conductors is the same to establish at least two electrical signal paths.

8. A power-on test assembly according to claim 7, wherein an insulator is provided between two blades to isolate adjacent blades by the insulator.

9. The power-on test assembly of claim 7, wherein the terminals are enclosed to form a hollow cylinder or a solid cylinder.

10. The utility model provides an circular telegram test fixture which characterized in that includes:

a power-on test assembly according to any one of claims 1 to 9 movably mounted to the secondary tubular body and arranged in pairs.