CN112350661A - High current module photovoltaic terminal box - Google Patents

High current module photovoltaic terminal box Download PDF

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Publication number
CN112350661A
CN112350661A CN202011267724.4A CN202011267724A CN112350661A CN 112350661 A CN112350661 A CN 112350661A CN 202011267724 A CN202011267724 A CN 202011267724A CN 112350661 A CN112350661 A CN 112350661A
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CN
China
Prior art keywords
box
terminal box
junction box
connector body
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011267724.4A
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Chinese (zh)
Inventor
梅有明
陈建华
陈永兵
刘寿华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Langri New Energy Technology Co ltd
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Yangzhou Langri New Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Yangzhou Langri New Energy Technology Co ltd filed Critical Yangzhou Langri New Energy Technology Co ltd
Priority to CN202011267724.4A priority Critical patent/CN112350661A/en
Publication of CN112350661A publication Critical patent/CN112350661A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • H02S40/345Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes with cooling means associated with the electrical connection means, e.g. cooling means associated with or applied to the junction box
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Photovoltaic Devices (AREA)

Abstract

The invention belongs to the technical field of photovoltaic junction boxes, and particularly relates to a high-current module photovoltaic junction box which comprises a negative junction box, a positive junction box and a middle junction box, wherein the negative junction box and the positive junction box are respectively composed of a box body, a box cover, a bottom plate, a module diode, a connector body, a cable and a line pressing block, the middle junction box is composed of a box body, a box cover, a bottom plate and a module diode, the module diode is provided with a copper sheet, the module diode is riveted with the cable through the copper sheet, a contact pin plug bush is arranged in the connector body, and a nut is connected with the connector body. The invention reduces the pressure drop of the product by using the module diode, thereby improving the practical efficiency of the product, improving the application range of the photovoltaic junction box by matching with the heat conduction silica gel to quickly conduct heat, and having stronger practicability.

Description

High current module photovoltaic terminal box
Technical Field
The invention relates to the technical field of photovoltaic junction boxes, in particular to a high-current module photovoltaic junction box.
Background
Under the condition of continuous development of the photovoltaic power generation industry, the mass production of the 182 and 210 components is promoted, the size of a silicon wafer is continuously enlarged, and the current of the components is increased; in order to save the cost of auxiliary materials and land, the popularization of the efficient assembly is a market trend; in the next decade, solar photovoltaic power generation will increase by over 10% in world power supply; the photovoltaic junction box is used as an indispensable part in a photovoltaic power generation system, the high-power assembly is continuously popularized, the requirement on the high-current resistance of the junction box is higher and higher, and key parts of the junction box, such as diodes, plastic materials, current-carrying materials and the like, need to be re-selected or designed to meet the high-current requirement.
At present, the photovoltaic terminal box among the prior art is inconvenient to bear the user demand of heavy current subassembly, and the photovoltaic terminal box among the prior art assists the quantity of material great simultaneously, increases the manufacturing cost of photovoltaic terminal box, and the photovoltaic terminal box among the prior art is manual assembly, and is inefficient, and the uniformity of product is not good.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-current module photovoltaic junction box, which solves the problems that the junction box in the prior art is inconvenient to bear the use requirement of a high-current assembly, high in production cost and inconvenient to automatically assemble.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high current module photovoltaic terminal box, includes negative terminal box, anodal terminal box and middle junction box, negative terminal box and anodal terminal box are by box body, lid, bottom plate, module diode, connector body, cable and line ball block group one-tenth, middle terminal box comprises box body, lid, bottom plate and module diode, be equipped with the copper sheet on the module diode, the module diode passes through the copper sheet and rivets with the cable, be equipped with the contact pin plug bush in the connector body, connector body external screw thread connection has the nut, the cable is earlier through the contact pin plug bush riveting in with the connector body, and rethread nut screws up, fix the riveting with the cable through ultrasonic wave welded mode between line ball block and the box body, the lid passes through the mode and box body fixed connection of buckle.
As a preferred technical solution of the present invention, the connector body on the negative terminal box is a negative connector, and the connector body on the positive terminal box is a positive connector.
As a preferred technical scheme of the invention, the module diode further comprises a chip, a jumper wire and a plastic package material.
As a preferred technical solution of the present invention, the shape of the box body is a pen-shaped design.
As a preferred technical scheme of the invention, the bottom plate is made of nylon, and the bottom of the bottom plate is perforated and hollowed.
As a preferable technical scheme of the invention, all auxiliary materials in the negative terminal box, the positive terminal box and the middle terminal box are assembled mechanically.
(III) advantageous effects
Compared with the prior art, the invention provides a high-current module photovoltaic junction box, which has the following beneficial effects:
1. this high current module photovoltaic terminal box reduces the product pressure drop through using the module diode to improve the practical efficiency of production, the cooperation uses the quick heat conduction of heat conduction silica gel, improves the application range of photovoltaic terminal box, and the practicality of photovoltaic terminal box is stronger.
2. This high current module photovoltaic terminal box through box body, lid and bottom plate, effectively saves the quantity of terminal box auxiliary material, reduces the terminal box bulk material cost, can replace manual operation production by automated assembly production, reduces the cost of labor, improves the product uniformity, and improves the production efficiency of photovoltaic terminal box.
Drawings
FIG. 1 is a schematic view of a negative terminal box according to the present invention;
FIG. 2 is a schematic structural view of the positive terminal box of the present invention;
fig. 3 is a schematic view of the structure of the indirect junction box of the present invention.
In the figure: 1. a negative terminal box; 2. a positive terminal box; 3. an intermediate junction box; 4. a box body; 5. a box cover; 6. a base plate; 7. a module diode; 8. a connector body; 9. a cable; 10. a line pressing block; 11. a copper sheet; 12. inserting a pin and inserting a sleeve; 13. a nut; 14. a positive electrode connector; 15. a negative connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a high-current module photovoltaic junction box comprises a negative junction box 1, a positive junction box 2 and a middle junction box 3, wherein the negative junction box 1 and the positive junction box 2 are respectively composed of a box body 4, a box cover 5, a bottom plate 6 and a module diode 7, the connector comprises a connector body 8, a cable 9 and a wire pressing block 10, wherein the middle junction box 3 comprises a box body 4, a box cover 5, a bottom plate 6 and a module diode 7, a copper sheet 11 is arranged on the module diode 7, the module diode 7 is riveted with the cable 9 through the copper sheet 11, a contact pin plug bush 12 is arranged in the connector body 8, a nut 13 is connected to the outer thread of the connector body 8, the cable 9 is riveted with the contact pin plug bush 12 in the connector body 8 firstly and then screwed up through the nut 13, the wire pressing block 10 is fixedly riveted with the cable 9 through ultrasonic welding with the box body 4, and the box cover 5 is fixedly connected with the box body 4 through a buckle.
In this embodiment, box body 4 and lid 5 conveniently assemble, can carry out the automatic equipment, reduce the cost of labor, improve the efficiency of production, bottom plate 6 can improve the bearing current of photovoltaic terminal box, the use is connected to connector body 8 convenience with photovoltaic terminal box, contact pin plug bush 12 conveniently connects, can make photovoltaic terminal box normal use, nut 13 conveniently fixes, make things convenient for the installer to operate, improve installer's work efficiency, lid 5 is through the mode and 4 fixed connection of box body of buckle, conveniently assemble on the one hand, on the other hand can conveniently assemble the dismantlement, the cost is lower.
Specifically, the connector 8 on the negative terminal box 1 is a negative connector 15, and the connector 8 on the positive terminal box 2 is a positive connector 14.
In this embodiment, the negative connector 15 facilitates the connection of the connecting member with the negative terminal box 1, and the positive connector 14 facilitates the connection of the connecting member with the positive terminal box 2.
Specifically, the module diode 7 further includes a chip, a jumper wire, and a plastic package material.
In this embodiment, the module diode 7 further includes a chip, a jumper wire and a plastic package material, so that the module diode 7 can be ensured to normally work, and the practicability is high.
In particular, the shape of the case 4 is a pen-shaped design.
In this embodiment, box body 4 is the design of stroke-shaped, can reduce terminal box width size, avoids the terminal box to the sheltering from of subassembly battery piece to improve subassembly efficiency, also save 5% -8% material cost simultaneously.
Specifically, the bottom plate 6 is made of nylon, and the bottom of the bottom plate 6 is hollowed out by using holes.
In the embodiment, the bottom plate 6 can enhance the flowability and coverage rate of the sealant for filling, effectively enhance the heat conduction and emission of the junction box during working, and improve the bearing current of the product.
Specifically, the assembly among all auxiliary materials in the negative terminal box 1, the positive terminal box 2 and the middle terminal box 3 is mechanically installed.
In this embodiment, conveniently carry out automatic equipment, improve the efficiency of production, reduce the cost of labor, improve the uniformity of product.
The working principle and the using process of the invention are as follows: box body 4 is the width that can effectively reduce the terminal box for the design of form of a stroke or a combination of strokes, avoids blockking of subassembly battery piece, improves the efficiency of equipment subassembly, reduces the use amount of material, reduction in production cost, and bottom plate 6 can carry out effectual giving off with the heat, improves the bearing current of product, conveniently carries out automatic equipment, improves the uniformity of product.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a high current module photovoltaic terminal box, includes negative terminal box (1), anodal terminal box (2) and middle junction box (3), its characterized in that: the negative terminal box (1) and the positive terminal box (2) are both composed of a box body (4), a box cover (5), a bottom plate (6), a module diode (7), a connector body (8), a cable (9) and a line pressing block (10), the middle terminal box (3) is composed of the box body (4), the box cover (5), the bottom plate (6) and the module diode (7), a copper sheet (11) is arranged on the module diode (7), the module diode (7) is riveted with the cable (9) through the copper sheet (11), a pin plug bush (12) is arranged in the connector body (8), a nut (13) is connected with the connector body (8) through external threads, the cable (9) is riveted with the pin plug bush (12) in the connector body (8) firstly and then screwed up through the nut (13), and the cable (9) is fixedly riveted between the line pressing block (10) and the box body (4) through an ultrasonic fusion mode, the box cover (5) is fixedly connected with the box body (4) in a buckling mode.
2. A high current modular photovoltaic junction box according to claim 1, wherein: the connector body (8) on the negative terminal box (1) is a negative connector (15), and the connector body (8) on the positive terminal box (2) is a positive connector (14).
3. A high current modular photovoltaic junction box according to claim 1, wherein: the module diode (7) further comprises a chip, a jumper wire and a plastic package material.
4. A high current modular photovoltaic junction box according to claim 1, wherein: the shape of the box body (4) is designed in a pen shape.
5. A high current modular photovoltaic junction box according to claim 1, wherein: the bottom plate (6) is made of nylon, and the bottom of the bottom plate (6) is perforated in a hollow mode.
6. A high current modular photovoltaic junction box according to claim 1, wherein: and all auxiliary materials in the negative terminal box (1), the positive terminal box (2) and the middle terminal box (3) are mechanically mounted.
CN202011267724.4A 2020-11-13 2020-11-13 High current module photovoltaic terminal box Pending CN112350661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011267724.4A CN112350661A (en) 2020-11-13 2020-11-13 High current module photovoltaic terminal box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011267724.4A CN112350661A (en) 2020-11-13 2020-11-13 High current module photovoltaic terminal box

Publications (1)

Publication Number Publication Date
CN112350661A true CN112350661A (en) 2021-02-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115037243A (en) * 2022-08-09 2022-09-09 南通市乐能电力有限公司 Photovoltaic module junction box and photovoltaic module

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206850718U (en) * 2017-05-15 2018-01-05 苏州快可光伏电子股份有限公司 A kind of double glass generating electricity on two sides photovoltaic component terminal boxes
CN110086423A (en) * 2019-06-04 2019-08-02 苏州快可光伏电子股份有限公司 Terminal box is used in a kind of power generation of large power high efficiency photovoltaic module
CN210273962U (en) * 2019-07-01 2020-04-07 苏州谐通光伏科技股份有限公司 Split type junction box for double-glass assembly
CN111245363A (en) * 2020-04-02 2020-06-05 苏州快可光伏电子股份有限公司 Photovoltaic module junction box with excellent heat dissipation performance and electrical performance
CN211089587U (en) * 2019-12-31 2020-07-24 江苏晖朗电子科技股份有限公司 Modular split type junction box
CN213906621U (en) * 2020-11-13 2021-08-06 扬州朗日新能源科技有限公司 High current module photovoltaic terminal box

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206850718U (en) * 2017-05-15 2018-01-05 苏州快可光伏电子股份有限公司 A kind of double glass generating electricity on two sides photovoltaic component terminal boxes
CN110086423A (en) * 2019-06-04 2019-08-02 苏州快可光伏电子股份有限公司 Terminal box is used in a kind of power generation of large power high efficiency photovoltaic module
CN210273962U (en) * 2019-07-01 2020-04-07 苏州谐通光伏科技股份有限公司 Split type junction box for double-glass assembly
CN211089587U (en) * 2019-12-31 2020-07-24 江苏晖朗电子科技股份有限公司 Modular split type junction box
CN111245363A (en) * 2020-04-02 2020-06-05 苏州快可光伏电子股份有限公司 Photovoltaic module junction box with excellent heat dissipation performance and electrical performance
CN213906621U (en) * 2020-11-13 2021-08-06 扬州朗日新能源科技有限公司 High current module photovoltaic terminal box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115037243A (en) * 2022-08-09 2022-09-09 南通市乐能电力有限公司 Photovoltaic module junction box and photovoltaic module
CN115037243B (en) * 2022-08-09 2022-12-02 南通市乐能电力有限公司 Photovoltaic module junction box and photovoltaic module

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