CN219145332U - Convenient photovoltaic module turnoff ware fixing device - Google Patents
Convenient photovoltaic module turnoff ware fixing device Download PDFInfo
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- CN219145332U CN219145332U CN202320103723.9U CN202320103723U CN219145332U CN 219145332 U CN219145332 U CN 219145332U CN 202320103723 U CN202320103723 U CN 202320103723U CN 219145332 U CN219145332 U CN 219145332U
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- photovoltaic module
- fixing device
- connecting plate
- module shutoff
- elastic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The application relates to the technical field of photovoltaic power generation equipment, in particular to a convenient photovoltaic module shutoff device fixing device. The device comprises a connecting plate, a top supporting part and an elastic fixing part; the connecting plate is provided with a connecting through hole for connecting the fixing device to the photovoltaic module shutoff device; the elastic fixing part consists of a semi-cylindrical connecting piece and an extension part, the bottom of the connecting plate is connected with the extension part through the semi-cylindrical connecting piece, and the extension part extends towards the top support part; the connecting plate is connected with the elastic fixing part to form an elastic accommodating cavity for clamping the battery plate bracket, and the fixing device is fixed on the battery plate bracket; the top supporting part is arranged on a plane which is similar to the plane of the connecting plate and is connected with the top of the connecting plate. The fixed installation between the fixing device and the shutoff device can be carried out in a factory for producing the shutoff device, so that the safety risk brought by field installation on a photovoltaic power station is effectively avoided, the installation efficiency is greatly improved, and the operation and maintenance cost is reduced.
Description
Technical Field
The application relates to the technical field of photovoltaic power generation equipment, in particular to a convenient photovoltaic module shutoff device fixing device.
Background
The photovoltaic grid-connected power generation technology is more and more concerned due to the reproducibility and cleanliness of the photovoltaic grid-connected power generation technology, and is also an important direction of energy development in the future. The main implementation form of the current photovoltaic grid-connected power generation technology comprises the step of constructing a solar grid-connected power generation system by utilizing the roof of an enterprise factory building, so as to realize self-sufficiency. The safety hazards such as arc and fire disaster caused by high direct current voltage formed by the photovoltaic array are generally provided with a shutoff device on the photovoltaic string, and the fault string can be timely turned off when an accident occurs, so that the voltage on the direct current cable can meet the safety requirements. At present, the mounting mode of the shutoff device is generally to fix the shutoff device on a support frame of a photovoltaic panel through screws, or to clamp the shutoff device on the frame of the photovoltaic panel through stainless steel metal bayonet fittings, so that the shutoff device can be connected with the photovoltaic module, and the shutoff operation of the shutoff device on the corresponding photovoltaic module under specific conditions is realized.
However, when the screw is adopted for installation and fixation, the shutoff device needs to be taken to the photovoltaic power station for field installation, on one hand, the field installation efficiency is low, and the installation cost is high; on the other hand, if the photovoltaic panel is stopped when the shutoff device is installed, the power generation efficiency is reduced, and if the photovoltaic panel is kept to normally operate when installed, an operator is in a high-pressure environment, and a certain safety risk is provided. In addition, when the turnoff device is fixedly installed through a simple screw, only the screw is arranged at a stress point between the turnoff device and the photovoltaic panel bracket, and the weight of the turnoff device is completely dropped on the screw; moreover, when the solar energy power station is used for a long time, the shutoff device can possibly rotate under the action of factors such as external wind power and the like due to the aging of the product shell, so that the connection section between the shutoff device and the photovoltaic panel is loose, and the normal operation of the power station is affected. If the shutoff device is fixed on the battery plate frame through the stainless steel metal buckle, the elasticity of the buckle is too large, the buckle is pried firstly, then the battery plate frame is assembled and is difficult to install, and in addition, the metal buckle is also grounded. Therefore, there is a need to design a convenient, safe and efficient fixture for mounting a shutoff to a photovoltaic panel.
Disclosure of Invention
To above-mentioned technical problem, this application discloses a convenient photovoltaic module turn-off ware fixing device, through connecting plate fixed connection between light Fu Guanduan ware and the fixing device, then high-efficient installation on the panel support with it is quick through elastomeric element again, has improved the installation greatly and has been reduced the fortune dimension cost. Meanwhile, through the top supporting part arranged at the top of the connecting plate, the contact area between the fixing device and the battery plate bracket is further increased, the fixing effect is improved, and meanwhile, the fixing effect of the fixing device is effectively avoided through the fixing effect of the top supporting part perpendicular to the direction of the connecting plate, so that the reliability and the stability of the battery plate bracket are further improved.
Specifically, the convenient photovoltaic module shutoff device fixing device comprises a connecting plate, a top supporting part and an elastic fixing part; the connecting plate is provided with a connecting through hole for connecting the fixing device to the photovoltaic module shutoff device; the elastic fixing part consists of a semi-cylindrical connecting piece and an extension part, the bottom of the connecting plate is connected with the extension part through the semi-cylindrical connecting piece, and the extension part extends towards the top supporting part; the connecting plate is connected with the elastic fixing part to form an elastic accommodating cavity for clamping the battery plate bracket, and the fixing device is fixed on the battery plate bracket; the top supporting part is arranged on a plane similar to the plane where the connecting plate is arranged and is connected with the top of the connecting plate.
As a preferable technical scheme of the photovoltaic module shutoff device, the fixing device is connected with the photovoltaic module shutoff device in a fixed connection mode, and the fixed connection mode is fixedly connected by screws.
As a preferable technical scheme of the application, a groove is formed in one side, facing the elastic cavity, of the connecting through hole, and the size of the groove is larger than that of the connecting through hole.
As a preferable technical scheme of the application, the groove is a truncated cone-shaped groove, and the diameter of the bottom surface of the truncated cone-shaped groove is the same as the diameter of the connecting through hole.
As a preferable solution of the present application, the end of the extension Shen Bu in the direction of the top support portion is bent toward the end of the elastic cavity to form a bent end.
As a preferable technical scheme of the application, a concave hole is formed in the extension portion at a position corresponding to the connecting through hole in the connecting plate, and the size of the concave hole is not smaller than that of the groove.
As a preferable technical scheme of the application, the concave hole on the extension part is arranged at the bending end of the extension part.
As a preferable technical solution of the present application, the top supporting portion is composed of a supporting plate facing the direction of the elastic cavity and a positioning plate facing the opposite direction of the elastic cavity.
As a preferable technical scheme of the application, a chamfer inclined plane is formed on one side of the supporting plate, which faces the elastic accommodating cavity.
As a preferable technical scheme of the application, the photovoltaic module shutoff device fixing device is made of polyphenyl ether material.
Compared with the prior art, the technical scheme provided by the application has the following beneficial effects:
firstly, when the fixing device of the photovoltaic module shutoff device is fixedly installed, the fixing device can be fixed on the photovoltaic module shutoff device in a screw mode and the like, so that the fixing device and the photovoltaic module shutoff device are integrated, and then the fixing device is fixedly installed on a bracket of a battery plate through an elastic fixing part on the fixing device. The fixed installation between the fixing device and the photovoltaic module shutoff device can be carried out in a factory for producing the photovoltaic module shutoff device, and safety risks caused by field installation on a photovoltaic power station are effectively avoided. Meanwhile, the installation operation can be performed in a factory in a mechanical automation mode, so that the installation efficiency is greatly improved, and the operation and maintenance cost is reduced.
Secondly, be provided with the connection through-hole on fixing device's the connecting plate, the corresponding position of photovoltaic module shutoff ware also can be provided with corresponding connecting hole, in order to can effectively aim at connecting through-hole and connecting hole, be provided with the locating plate at the top of connecting plate, help for fixing device location. When the photovoltaic module shutoff device is installed, the positioning plate is propped against the side edge of the photovoltaic module shutoff device, and the connecting through holes and the connecting holes can be aligned quickly by transversely moving the fixing device, so that the installation speed is increased. And through setting up the recess in one side of connecting through-hole orientation elasticity appearance chamber, hide the protrusion head of screw in this recess, make the elasticity appearance chamber one side panel after adopting screw fixing device avoid appearing protruding and unevenness to effectively avoid inserting fixing device to insert the friction and the damage that bring because of protruding.
In addition, the elastic accommodating cavity formed by connecting the connecting plate with the elastic fixing part is inserted into the battery plate bracket, so that the fixing device and the battery plate bracket are fixed together, and the on-site installation operation is completed quickly and efficiently. Meanwhile, be provided with the backup pad at the top of connecting plate, can hang the fixing device after will shutting down the ware fixed on the panel support through the screw, when making between fixing device and the panel support through the screw fixation, can also increase the contact surface between the backup pad, when further improving fixed effect, can also be used for supporting the weight of fixing device and shutting down the ware, improve fixing device's stability. In addition, through the backup pad and the locating plate that are the type vertical state with the connecting plate, can also further avoid fixing device to take place rotatory scheduling problem as the axle with the screw.
Moreover, the support plate of the present application forms a chamfer slope (i.e., a chamfer slope is provided at a side contacting the panel bracket) toward the direction of the elastic cavity. In the process of installing the shutoff device and the fixing device on the battery plate bracket, the elastic cavity is slowly inserted into the frame of the battery plate bracket by utilizing the elasticity of the elastic cavity, the chamfer inclined plane that sets up this moment can show reduction sliding friction, just can install fixing device on the frame of panel support under the less circumstances of warp of assurance elasticity appearance chamber, further improves operating efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a convenient fixing device for a photovoltaic module shutoff device.
Fig. 2 is a schematic side structural view of a convenient photovoltaic module shutoff fixture of the present application.
Fig. 3 is a schematic view of a use state of a convenient photovoltaic module shutoff fixture of the present application.
Fig. 4 is a schematic view of a use state of a convenient photovoltaic module shutoff fixture of the present application.
Fig. 5 is a schematic view of an installation state of a convenient photovoltaic module shutoff fixture of the present application.
The device comprises a 01-battery plate bracket, a 02-photovoltaic module shutoff device, a 03-fixing device, a 1-locating plate, a 11-top support, a 12-elastic fixing part, a 2-connecting plate, a 3-semi-cylindrical connecting plate, a 31-elastic cavity, a 4-extension part, a 5-bending end, a 6-supporting plate, a 61-chamfer inclined plane, a 7-connecting through hole, a 71-groove and an 8-concave hole.
Detailed Description
The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.
In the following description, directional or positional relationships such as the terms "inner", "outer", "top", "bottom", "vertical", "right", "left", etc., are presented for convenience in describing the embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
In the following description, terms such as "vertical", "horizontal", "quasi-vertical", "substantially vertical", etc. are presented to indicate positional relationships, connection relationships, and orientation relationships between planes or components, and are merely for convenience in understanding and simplifying the description of the embodiments, and are not meant to require that a mathematically strict sense of vertical, horizontal, etc. be required, and are therefore not to be construed as corresponding limitations of the present application.
Referring to fig. 1 to 5, the application discloses a convenient fixing device for a photovoltaic module shutoff device, which comprises a connecting plate 2, a top supporting part 11 and an elastic fixing part 12; the connecting plate 2 is provided with a connecting through hole 7 for connecting the fixing device 03 to the photovoltaic module shutoff 02; the elastic fixing part 12 consists of a semi-cylindrical connecting piece 3 and an extension part 4, the bottom of the connecting plate 2 is connected with the extension part 4 through the semi-cylindrical connecting piece 3, and the extension part 4 extends towards the direction of the top supporting part 11; the connecting plate 2 is connected with the elastic fixing part 12 to form an elastic accommodating cavity 31 for clamping the battery plate bracket 01 and fixing the fixing device 03 on the battery plate bracket 01; the top support 11 is arranged on a plane approximately perpendicular to the connection plate 2 and is connected to the top of the connection plate 2. The top support 11, the elastic fixing portion 12 and the connecting plate 2 may be integrally formed, or may be formed, assembled, or the like by other methods known to those skilled in the art.
In this application, the connection mode that fixing device 03 connects photovoltaic module shutoff ware 02 is fixed connection, fixed connection adopts screw fixed connection. The fixed connection described in this application is to connect the fixing device 03 and the photovoltaic module shutoff 02 together, which may be hinged, bonded, screwed, bolted, etc. The fixed connection can be a tight fixed connection which cannot slide, rotate and displace between the fixing device 03 and the photovoltaic module shutoff device 02, or can be connected in a mode of rotating by taking a certain point or line as an axis.
In this application, referring to fig. 5, when the fixing device of the photovoltaic module shutoff device is fixedly installed, the fixing device 03 can be fixed on the photovoltaic module shutoff device 02 by means of screws, so that the fixing device and the photovoltaic module shutoff device become a whole, and then the fixing device is fixedly installed on the bracket 01 of the battery plate through the elastic fixing part 12 on the fixing device, so that the on-site fixed installation operation time of the power station is effectively reduced, and the safety risk possibly occurring in the installation process of the power station is reduced.
In this application, the elastic cavity 31 is mainly used to lock the panel support plate and hold it in the elastic cavity, and the term "locking" does not mean that a bayonet or a bayonet-like assembly is necessary for connection. Furthermore, the top support 11 and the connection plate 2 lie in a plane that is quasi-vertical, wherein the term "quasi-vertical" means that the plane in which the two faces lie is vertical, or this is a substantially vertical state, which does not mean that it is only vertical at 90 degrees, but also includes the case of an inclined intersecting plane at an angle, etc.
In this application, a groove 71 is disposed on a side of the connection through hole 7 facing the elastic cavity 31, and a size of the groove 71 is larger than a size of the connection through hole 7. Since the back surface (the surface facing the direction of the positioning plate) of the connecting plate 2 in the fixing device 03 is in contact with the photovoltaic module shutoff device 02 when the fixing device 03 and the photovoltaic module shutoff device 02 are fixed together, the screw penetrates through the connecting through hole 7 to connect the fixing device 03 to the photovoltaic module shutoff device 02, the screw head is exposed on one side of the elastic accommodating cavity 31, and when the fixing device 03 is inserted into the frame of the panel bracket 01, the exposed screw head can increase the friction force between the fixing device 03 and the panel bracket 01 and even resist the frame of the panel bracket 01 to block the insertion. By providing the recess 71 at the side of the connecting through hole 7 facing the elastic cavity 31, the screw head can be skillfully hidden, thereby avoiding friction and damage caused by the protrusion when the fixing device 03 is inserted into the panel bracket 01. The groove 71 is a truncated cone-shaped groove, and the diameter of the bottom surface of the truncated cone-shaped groove is the same as the diameter of the connecting through hole 7. The dimensions of the connecting through-hole 7 and the recess 71 described in this application may be determined according to factors such as the size and shape of the screw diameter actually used.
In this application, one end of the extension portion 4 in the direction of the top support portion 11 is bent toward one end of the elastic cavity 31 to form a bent end 5. During the process of inserting the fixing device 03 into the frame of the panel bracket 01, one end of the extending portion 4 in the direction of the top supporting portion 11 directly abuts against the frame of the panel bracket 01 in the vertical direction (e.g., the inner wall/right side of the panel bracket in fig. 3), and as the fixing device is inserted, the elastic fixing portion 12 elastically deforms, the contact angle between the two gradually increases from the substantially vertical state, and finally the contact surface becomes the same horizontal plane. Therefore, when the extension part 4 is pushed against the panel bracket 01, the bent end increases the contact angle between the extension part 4 and the panel bracket 01, and reduces the sliding friction force during insertion, so that the frame of the panel bracket 01 can be inserted into the elastic cavity 31 more quickly, thereby improving the installation efficiency.
In this application, the support plate 6 is formed with a chamfer 61 on a side facing the elastic cavity 31 (i.e., on a right side of the support plate as shown in fig. 3). In the process of inserting the fixing device 03 into the frame of the panel bracket 01, the edge of the supporting plate 6 is directly propped against the frame of the panel bracket 01 in the horizontal direction, and the supporting plate 6 faces one side (i.e. the right side as shown in fig. 2) of the elastic accommodating cavity 31 to form a chamfer inclined surface 61, so that the friction force between the supporting plate 6 and the panel bracket 01 can be effectively reduced, and the fixing device 03 can be better and faster installed on the panel bracket 01 under the condition of ensuring that the elastic accommodating cavity 31 is less deformed.
In this application, the position on the extension part 4 corresponding to the connection through hole 7 on the connection board is provided with a concave hole 8, and the size of the concave hole 8 is not smaller than the size of the groove 71. In order to better fix the fixing device 03 to the photovoltaic module shutoff 02, the connecting through-hole 7 is provided in the central position of the connecting plate 2. Meanwhile, in order to ensure that the elastic fixing portion 12 can generate enough elasticity, the battery plate bracket is successfully inserted into the elastic accommodating cavity 31 of the fixing device 03, and the radian of the semi-cylindrical connecting plate 3 and the length of the extending portion 4 cannot be too small, so that the position of the connecting through hole 7 is in the elastic accommodating cavity 31, and a screw is blocked by the extending portion 4 or the operation of the connecting through hole 7 is influenced when being driven into the connecting through hole 7. By providing the concave holes 8 of a size corresponding to the dimensions of the grooves 71 at the positions corresponding to the connecting through holes 7 on the extension portion, the operation efficiency can be effectively improved. In this application, the concave hole 8 of the extension portion 4 may be provided at the bending end 5 of the extension portion 4, or may be provided at a position below the bending end 5. In order to further reduce the contact area between the bent end 5 and the panel holder 01 when the fixing device 03 is mounted to the panel holder 01 and thus reduce friction, it is preferable to provide a recess hole 8 on the bent end 5.
In this application, the top support 11 is composed of a support plate 6 facing the direction of the elastic cavity 31 and a positioning plate 1 facing the opposite direction of the elastic cavity 31, and the positioning plate 1 contacts with the photovoltaic module shutoff device 02 during fixing. The connecting plate 2 of the fixing device 03 is provided with a connecting through hole 7, and the corresponding position of the photovoltaic module shutoff device 02 is also provided with a corresponding connecting hole. Referring to fig. 5, when in installation, the positioning plate 1 is propped against the top surface of the photovoltaic module shutoff device 02, and the fixing device 03 can be moved transversely to quickly align the connecting through hole 7 with the connecting hole on the photovoltaic module shutoff device 02, so that the installation speed is increased.
In the application, the material of the photovoltaic module shutoff device fixing device is polyphenyl ether material (PPO). Since the fixing device 03 in the present application needs to bear a certain weight, it is generally at least enough to bear the weight of the photovoltaic module shutoff device, so that the photovoltaic module shutoff device 02 is fixedly mounted on the panel bracket 01. At the same time, enough elastic deformation is ensured to be enough to install the device, and the device is not broken in the installation process. In addition, the fixing device is generally used outdoors, so that certain ageing resistance, dimensional stability, mechanical strength and other performances are guaranteed, and the enough service life is guaranteed. Therefore, the material of the fixing device is specially limited in this application. The applicant has found through experiments that conventional polyolefin materials, such as PE, PP, etc., and PET, PC, etc., cannot ensure sufficient elasticity and strength, and cannot fully meet corresponding use requirements. Experiments show that the PPO material can exert better effect.
In this application, when the fixing device 03 is used, a fixing device 03 can be used for installing a photovoltaic module shutoff device 02, and the fixing device 03 can be fixed at the central position of the photovoltaic module shutoff device 02 through the connecting through hole 7 and then installed on the panel bracket 01. For the installation of one photovoltaic module shutoff device 02, two fixing devices 03 can be adopted, as shown in fig. 4, the two fixing devices 03 are respectively fixed on the left edge and the right edge of the photovoltaic module shutoff device 02 through connecting through holes 7, and then the two fixing devices are installed on a battery board bracket 01. The specific choice and mounting of the fixture may be determined and adjusted based on factors such as the size, weight, etc. of the photovoltaic module shutoff 02.
The foregoing is merely exemplary embodiments of the present disclosure and is not intended to limit the scope of the present disclosure. That is, equivalent changes and modifications are contemplated by the teachings of this disclosure, which fall within the scope of the present disclosure. Embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a scope and spirit of the disclosure being indicated by the claims.
Claims (10)
1. The convenient fixing device for the photovoltaic module shutoff device is characterized by comprising a connecting plate, a top supporting part and an elastic fixing part; the connecting plate is provided with a connecting through hole for connecting the fixing device to the photovoltaic module shutoff device; the elastic fixing part consists of a semi-cylindrical connecting piece and an extension part, the bottom of the connecting plate is connected with the extension part through the semi-cylindrical connecting piece, and the extension part extends towards the top supporting part; the connecting plate is connected with the elastic fixing part to form an elastic accommodating cavity for clamping the battery plate bracket, and the fixing device is fixed on the battery plate bracket; the top supporting part is arranged on a plane similar to the plane where the connecting plate is arranged and is connected with the top of the connecting plate.
2. The photovoltaic module shutoff device fixing device according to claim 1, wherein the fixing device is connected to the photovoltaic module shutoff device in a fixed connection mode, and the fixed connection is fixedly connected by a screw.
3. The photovoltaic module shutoff fixture of claim 1, wherein a side of the connection through hole facing the elastic cavity is provided with a groove, and a size of the groove is larger than a size of the connection through hole.
4. A photovoltaic module shutoff fixture according to claim 3, wherein the recess is a truncated cone-shaped recess having a bottom surface having the same diameter as the connecting through hole.
5. A photovoltaic module shutoff fixture according to claim 3, wherein an end of the extension Shen Bu in the direction of the top support is bent toward an end of the flexible cavity to form a bent end.
6. The photovoltaic module shutoff fixture of claim 5, wherein the extension is provided with a recess in a position corresponding to the connection through hole in the connection board, and the size of the recess is not smaller than the size of the recess.
7. The photovoltaic module shutoff fixture of claim 5, wherein the recess in the extension is provided at a bent end of the extension.
8. The photovoltaic module shutoff fixture of claim 1, wherein the top support is comprised of a support plate oriented in the direction of the flexible chamber and a positioning plate oriented in the opposite direction of the flexible chamber.
9. The photovoltaic module shutoff fixture of claim 8, wherein a side of the support plate facing the flexible chamber is formed with a chamfer bevel.
10. The photovoltaic module shutoff device fixing device according to any one of claims 1 to 9, wherein the photovoltaic module shutoff device fixing device is made of polyphenylene oxide material.
Priority Applications (1)
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CN202320103723.9U CN219145332U (en) | 2023-02-03 | 2023-02-03 | Convenient photovoltaic module turnoff ware fixing device |
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CN202320103723.9U CN219145332U (en) | 2023-02-03 | 2023-02-03 | Convenient photovoltaic module turnoff ware fixing device |
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CN219145332U true CN219145332U (en) | 2023-06-06 |
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CN202320103723.9U Active CN219145332U (en) | 2023-02-03 | 2023-02-03 | Convenient photovoltaic module turnoff ware fixing device |
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2023
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