CN219476625U - Photovoltaic module EL power-on mechanism and power-on device - Google Patents

Abstract

The application relates to the field of photovoltaic modules, in particular to a photovoltaic module EL power-on mechanism and a power-on device, comprising: the probe is movably connected to the base and has a rotational degree of freedom relative to the base; and the elastic piece is deformable, and the elastic piece is abutted between the probe and the base and is in a compressed state. The technical problem of poor power-on of the photovoltaic module with the shape warping is solved, and the technical effect of reducing the situation of poor power-on of the photovoltaic module with the shape warping is achieved.

Description

Photovoltaic module EL power-on mechanism and power-on device

Technical Field

The application relates to the field of photovoltaic modules, in particular to a photovoltaic module EL power-on mechanism and a power-on device.

Background

The solar photovoltaic module automation production line complete equipment has higher technical content, integrates multiple subjects such as machinery, electronics, control and the like, and relates to a plurality of front edge technologies such as an automatic control technology, a precise transmission technology, visual detection, computer control, system integration and the like. The solar photovoltaic module automatic production line complete equipment has higher technical content, integrates multiple subjects of machinery, electronics, control and the like, and relates to a plurality of introduction technologies such as an automatic control technology, a precise transmission technology, visual detection, computer control, system integration and the like; meanwhile, the requirements of photovoltaic module manufacturers on the stability, reliability, precision degree and automation degree of the photovoltaic module automation production line are increasingly increased. With the increase of the component yield, the requirements and the efficiency of the quality detection of the photovoltaic component of related enterprises are also increased, and the requirements of the detection equipment of the photovoltaic component are increased. The photovoltaic module detection equipment detects the hidden defect of the module by means of electrifying and photographing (EL) of the photovoltaic module, so that an automatic power-on mechanism of the photovoltaic module is a core of EL detection.

In the prior art, a downward-pressing probe is generally arranged on a photovoltaic module powering device, the photovoltaic module is electrified through the probe, and along with the development of the photovoltaic module technology, the shape and the structure of the photovoltaic module are diversified, for example, the photovoltaic module with a warped shape is provided, the probe is pressed onto the surface of the warped photovoltaic module, and the pins of the photovoltaic module cannot be fully contacted with the probe, so that the photovoltaic module is powered poorly.

Therefore, the technical problems of the prior art are: the photovoltaic module with the warped shape is poor in power-on.

Disclosure of Invention

The application provides a photovoltaic module EL power-on mechanism and power-on device, has solved the photovoltaic module of shape warpage and has electrified bad technical problem, reaches the technical effect that reduces the photovoltaic module that appears shape warpage and electrifies bad condition.

The application provides an on photovoltaic module EL constructs, adopts following technical scheme:

an on-EL photovoltaic module mechanism comprising: the probe is movably connected to the base and has a rotational degree of freedom relative to the base; and the elastic piece is deformable, and the elastic piece is abutted between the probe and the base and is in a compressed state.

Preferably, the base is provided with a connecting cavity, and the probe is accommodated in the connecting cavity; wherein the connection lumen inner diameter is larger than the diameter of the probe such that the probe has an active space that rotates relative to the base.

Preferably, a first rotation limiting part is arranged in the connecting cavity, a second rotation limiting part is arranged on the probe, and the first rotation limiting part is matched with the second rotation limiting part.

Preferably, the cross sections of the connecting cavity and the probe are square.

Preferably, the method further comprises: the connecting part is rotationally connected to the base, and the probe is slidingly connected to the connecting part.

Preferably, the method further comprises: and the connecting part is connected to the base in a sliding way, and the probe is connected to the connecting part in a rotating way.

Preferably, the probe is provided with a first limiting part, the first limiting part is located at the top of the probe, and the first limiting part is abutted to the base under the action of the elastic piece.

Preferably, the elastic member is specifically a spring, and two ends of the spring respectively abut against the base and the probe.

The application provides a photovoltaic module EL power-on device adopts following technical scheme:

a photovoltaic module EL powered device comprising: the power-on mechanism is the power-on mechanism; the driving mechanism is connected to the power-on mechanism and used for driving the power-on mechanism to move.

Preferably, the upper motor mechanism is provided in plurality.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the probe is arranged on the power-on mechanism and is used for powering on the photovoltaic module, and through the rotation arrangement between the probe and the base, when the photovoltaic module with the warp shape is powered down and electrified, the probe can rotate based on the warp surface, so that the probe is beneficial to fully contacting with the photovoltaic module, and the contact effect of the pin and the probe is improved; the technical problem of poor power-on of the photovoltaic module with the shape warping is solved, and the technical effect of reducing the situation of poor power-on of the photovoltaic module with the shape warping is achieved.

2. The application power-on device be provided with multiunit power-on mechanism, can contact with the pin on a plurality of photovoltaic module simultaneously, improve the power-on detection efficiency of photovoltaic module.

Drawings

FIG. 1 is a schematic diagram of an upper motor mechanism described herein;

FIG. 2 is a cross-sectional view of the upper motor mechanism described herein;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is a schematic view of a power-on device described herein.

Reference numerals illustrate: 100. a power-on mechanism; 110. a base; 111. a connection part; 112. a connecting cavity; 120. a probe; 121. a vertical portion; 122. a horizontal portion; 130. an elastic member; 140. a first limit part; 200. a driving mechanism; 210. a second driving mechanism; 211. and (3) a cylinder.

Detailed Description

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The embodiment of the application provides a photovoltaic module EL power-on mechanism and power-on device, solves the technical problem of poor power-on of a photovoltaic module with shape warpage, and achieves the technical effect of reducing the situation of poor power-on of the photovoltaic module with shape warpage.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Various defects may occur in the cell string of the photovoltaic module during production or handling. Currently, the principles of electroluminescence are often used to detect these defects. Specifically, forward bias voltage is applied to the battery string, a large number of unbalanced carriers are injected into the battery string by the power supply, and electroluminescence continuously and compositely emits light by virtue of the large number of unbalanced carriers injected from the diffusion region to emit photons; the photons are captured by a CCD camera, an image is formed after the photons are processed by a computer, and the brightness of the EL image is proportional to the current density, so that a defective part can be a black or gray image, and further the defect cause can be judged. Wherein EL is an abbreviation for Electroluminescence, where the text means electroluminescence.

The photovoltaic module EL power-on mechanism comprises a base 110, a probe 120 and an elastic piece 130, wherein the base 110 is used as a mounting base of the probe 120; the probe 120 is used for being in contact with a pin of the photovoltaic module to power up; the elastic member 130 is used for resetting the probe 120 after the probe 120 is pressed down; the probe 120 is movably connected to the base 110, and the probe 120 can rotate relative to the base 110, so that the probe 120 is pressed down to act on the photovoltaic module, a certain angle of rotation can occur, the probe is suitable for the power-on of the warped photovoltaic module, the elastic piece 130 is arranged between the base 110 and the probe 120, the elastic piece 130 is in a compressed state, the elastic piece 130 is further compressed when the probe 120 is pressed down, and the elastic piece 130 is reset by elastic potential energy after the pressing force of the probe 120 is cancelled.

Base 110, as shown in fig. 1-3, base 110 is used as a mounting base for probes 120. The base 110 is directly or indirectly connected with the probe 120, and meanwhile, the base 110 can be connected with an external driving structure to drive the EL upper motor mechanism 100, and the base 110 adopts a flat plate type mounting plate; the base 110 is provided with a connecting part 111, the connecting part 111 is used for connecting the probe 120, in one embodiment, the connecting part 111 is provided with a connecting cavity 112 arranged in the vertical direction, the probe 120 is accommodated in the connecting cavity 112, and the inner diameter of the connecting cavity 112 is larger than the diameter of the probe 120, so that the probe 120 can vertically lift and lower and simultaneously has a movable space rotating relative to the base 110, namely, the probe 120 can rotate in the connecting cavity 112 at a certain angle, for example, the connecting cavity 112 and the probe 120 are in clearance fit; specifically, the connection portion 111 may be a guide sleeve connected to the base 110, and the guide sleeve is provided with a connection cavity 112 therein, and the probe 120 is inserted into the guide sleeve.

Further, a limiting component is arranged between the connecting cavity 112 and the probe 120, the limiting component is used for placing the probe 120 to rotate around the shaft, the limiting component comprises a first rotation limiting part and a second rotation limiting part, the first rotation limiting part is arranged in the connecting cavity 112, the second rotation limiting part is arranged on the probe 120, and when the probe 120 is positioned in the connecting cavity 112, the first rotation limiting part and the second rotation limiting part are in limiting fit, so that the probe 120 cannot rotate around the shaft or the trend of the rotation amplitude of the probe 120 around the shaft is reduced; in one embodiment, as shown in FIGS. 2 and 3, the cross-sections of the connecting lumen 112 and the probe 120 are square, such that the square configuration limits axial rotation of the probe 120, but the probe 120 is still capable of angular rotation due to the larger inner diameter of the connecting lumen 112 than the diameter of the probe 120.

In another embodiment, the base 110 is slidably connected with the connection portion 111, the sliding direction of the connection portion 111 is set in a vertical direction, and the connection portion 111 rotates to connect the probe 120, so that the probe 120 can be rotated while lifting along with the connection portion 111; optionally, the base 110 is rotatably connected with a connecting part 111, and the connecting part 111 is slidably connected with the probe 120, so that lifting and rotation of the probe 120 can be realized; the connection part 111 and/or the probe 120 can be connected in a sliding way through a sliding rail structure, and the connection part 111 and/or the probe 120 can be connected in a rotating way through a rotating shaft structure; it will be appreciated that corresponding stoppers may be provided on both sides of the probe 120 for limiting the rotational angle of the probe 120.

The probe 120, as shown in fig. 2, the probe 120 is used for contacting with a pin of the photovoltaic module to power up. The probe 120 is movably connected to the base 110 such that the probe 120 can be lifted and rotated. The probe 120 has a vertical portion 121 and a horizontal portion 122, the vertical portion 121 and the horizontal portion 122 are connected to form an inverted T-shape, the vertical portion 121 is used to be connected with the base 110, the horizontal portion 122 is used to be in contact with the photovoltaic module, and the vertical portion 121 is connected to the base 110.

In one embodiment, the probe 120 is inserted into the connecting cavity 112 of the connecting portion 111, a first limiting portion 140 is disposed at the top of the probe 120, the first limiting portion 140 abuts against the top of the connecting portion 111, so that the probe 120 can only rise but not descend relative to the connecting cavity 112, two ends of the elastic member 130 are connected or abut against the connecting portion 111 and the horizontal portion 122 of the probe 120, the elastic member 130 is in a compressed state, so that under the action of the elastic member 130, the first limiting portion 140 of the probe 120 abuts against the connecting portion 111, when the probe 120 is pressed by external driving, the elastic member 130 is compressed to rise the probe 120, and after the pressing driving action is cancelled, the elastic member 130 resets the probe 120; specifically, the elastic member 130 may be a spring, and the spring is sleeved on the probe 120, and two ends of the spring are abutted or connected to the connecting portion 111 and the horizontal portion 122 of the probe 120.

In another embodiment, the probe 120 is rotatably connected to the connecting portion 111, and the connecting portion 111 is slidably connected to the base 110, wherein a second limiting portion is disposed on the connecting portion 111 and is in interference fit with the base 110, such that the probe 120 can only rise but not fall relative to the base 110; specifically, the elastic member 130 is fixedly connected between the probe 120 and the base 110, and the elastic member 130 is in a compressed state, so that under the action of the elastic member 130, the second limiting portion of the connecting portion 111 abuts against the base 110, when the probe 120 is pressed down by external driving, the elastic member 130 is compressed and the probe 120 rises, and after the pressing driving action is cancelled, the elastic member 130 resets the probe 120; specifically, the elastic member 130 may be a spring, one end of which is fixedly connected to the horizontal portion 122 of the probe 120, and the other end of which is fixedly connected to the bottom of the base 110.

In other embodiments, the probe 120 is slidingly connected to the connecting portion 111, the connecting portion 111 is rotatably connected to the base 110, wherein a first limiting portion 140 is disposed at the top of the probe 120, the first limiting portion 140 abuts against the connecting portion 111, so that the probe 120 can only ascend but not descend relative to the base 110, two ends of the elastic member 130 are connected or abut against the connecting portion 111 and the horizontal portion 122 of the probe 120, the elastic member 130 is in a compressed state, so that under the action of the elastic member 130, the first limiting portion 140 of the probe 120 abuts against the connecting portion 111, when the probe 120 is pressed by external driving, the elastic member 130 is compressed to ascend the probe 120, and after the pressing driving action is cancelled, the elastic member 130 resets the probe 120; specifically, the elastic member 130 may be selected to be a spring, and both ends of the spring are abutted or connected to the connection part 111 and the horizontal part 122 of the probe 120.

The utility model provides a photovoltaic module EL power-on device for go up the electric defect detection to photovoltaic module, as shown in fig. 4, including last electric mechanism 100 and actuating mechanism 200, go up electric mechanism 100 and be used for connecting photovoltaic module and go up electric mechanism 100, actuating mechanism 200 is used for driving and goes up electric mechanism 100 and remove.

The upper motor mechanism 100, the upper motor mechanism 100 is used for connecting the photovoltaic module to power up. The upper motor mechanism 100 is the upper motor mechanism 100 described above.

And a driving mechanism 200, wherein the driving mechanism 200 is used for driving the upper motor mechanism 100 to move. The driving mechanism 200 comprises a first driving component and a second driving component, wherein the first driving component is used for driving the upper motor mechanism 100 to horizontally move, and the second driving component is used for driving the upper motor mechanism 100 to vertically lift; in one embodiment, the first driving component adopts a linear motor, the second driving component adopts a cylinder 211, the linear motor is horizontally arranged, the cylinder 211 is fixedly connected to a sliding table of the linear motor, the cylinder 211 is vertically arranged, the output rod of the cylinder 211 is fixedly connected to the base 110 of the power-on mechanism 100, so that the power-on mechanism 100 is integrally lowered, and the probe 120 is pressed down and is abutted to a pin of the photovoltaic component.

Further, the driving mechanism 200 may also be formed by a second driving assembly, the number of the upper electric mechanisms 100 may be plural, the plurality of upper electric mechanisms 100 are arranged horizontally, and the plurality of upper electric mechanisms 100 are connected to the cross bar through the second driving assembly.

Working principle/steps:

the power-on device is arranged above the photovoltaic module to be detected, the cylinder 211 drives the power-on mechanism 100 to descend, and the probe 120 descends and props against a pin of the photovoltaic module; when the power-on detection is performed on the warped photovoltaic module, the probe 120 tilts at a certain angle in the pressing down process of the probe 120 due to the warped surface of the photovoltaic module in the descending process, so that the contact effect of the probe 120 and the pins of the photovoltaic module is improved, and the power-on is completed; at this time, the elastic member 130 is compressed, so as to drive the upper electric mechanism 100 to rise, the probe 120 is separated from the photovoltaic module, and the probe 120 is reset under the action of the elastic member 130.

The technical effects are as follows:

1. the probe 120 is arranged on the upper motor mechanism 100 and is used for electrifying a photovoltaic module, and through the rotation arrangement between the probe 120 and the base 110, when the photovoltaic module with the warp shape is electrified downwards, the probe 120 can rotate based on the warp surface, so that the probe 120 is beneficial to fully contacting the photovoltaic module, and the contact effect of the pins and the probe 120 is improved; the technical problem of poor power-on of the photovoltaic module with the shape warping is solved, and the technical effect of reducing the situation of poor power-on of the photovoltaic module with the shape warping is achieved.

2. The power-on device is provided with multiunit power-on mechanism 100, can contact with the pin on a plurality of photovoltaic module simultaneously, improves the power-on detection efficiency of photovoltaic module.

While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims (10)

1. A photovoltaic module EL powered mechanism comprising:

a base (110),

a probe (120), the probe (120) being movably connected to the base (110), and the probe (120) having a degree of rotational freedom with respect to the base (110); and

and the elastic piece (130), the elastic piece (130) can be deformed, and the elastic piece (130) is abutted between the probe (120) and the base (110) and is in a compressed state.

2. The photovoltaic module EL power-up mechanism as claimed in claim 1, wherein the base (110) has a connection cavity (112), and the probe (120) is accommodated in the connection cavity (112); wherein the connection cavity (112) has an inner diameter larger than the diameter of the probe (120) such that the probe (120) has an active space rotating with respect to the base (110).

3. The photovoltaic module EL power-on mechanism according to claim 2, wherein a first rotation limiting portion is provided inside the connection cavity (112), a second rotation limiting portion is provided on the probe (120), and the first rotation limiting portion is matched with the second rotation limiting portion.

4. A photovoltaic module EL powered mechanism as claimed in claim 3, wherein the cross-sections of the connecting cavity (112) and the probe (120) are square.

5. The photovoltaic module EL powered mechanism of claim 1, further comprising:

and the connecting part (111), the connecting part (111) is rotationally connected to the base (110), and the connecting part (111) is slidingly connected with the probe (120).

6. The photovoltaic module EL powered mechanism of claim 1, further comprising:

and the connecting part (111), the connecting part (111) is connected to the base (110) in a sliding way, and the probe (120) is connected to the connecting part (111) in a rotating way.

7. The photovoltaic module EL power-on mechanism as claimed in any one of claims 1 to 4, wherein a first limiting portion (140) is disposed on the probe (120), the first limiting portion (140) is located at the top of the probe (120), and the first limiting portion (140) is abutted against the base (110) under the action of the elastic member (130).

8. The mechanism of claim 7, wherein the elastic member (130) is a spring, and two ends of the spring respectively abut against the base (110) and the probe (120).

9. A photovoltaic module EL powered device comprising:

-an upper electric mechanism (100), the upper electric mechanism (100) being an upper electric mechanism (100) as claimed in any one of claims 1-8;

and the driving mechanism (200) is connected to the upper electric mechanism (100) and is used for driving the upper electric mechanism (100) to move.

10. A photovoltaic module EL powered device according to claim 9, characterized in that the powered mechanism (100) is provided in plurality.