CN114866023A - Photovoltaic junction box - Google Patents

Photovoltaic junction box Download PDF

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Publication number
CN114866023A
CN114866023A CN202210649114.3A CN202210649114A CN114866023A CN 114866023 A CN114866023 A CN 114866023A CN 202210649114 A CN202210649114 A CN 202210649114A CN 114866023 A CN114866023 A CN 114866023A
Authority
CN
China
Prior art keywords
side wall
box body
pipe
fixedly arranged
air pressure
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.)
Withdrawn
Application number
CN202210649114.3A
Other languages
Chinese (zh)
Inventor
梅津维
赵孟然
叶子骏
谭唯一
周伯行
蔡翌臣
李姣
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.)
Ningbo Mengyang New Energy Co ltd
Original Assignee
Ningbo Mengyang New Energy 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.)
Filing date
Publication date
Application filed by Ningbo Mengyang New Energy Co ltd filed Critical Ningbo Mengyang New Energy Co ltd
Priority to CN202210649114.3A priority Critical patent/CN114866023A/en
Publication of CN114866023A publication Critical patent/CN114866023A/en
Withdrawn legal-status Critical Current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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  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a photovoltaic junction box, which comprises a box body, wherein a rotating shaft is fixedly arranged on the side wall of the box body, an upper cover is movably arranged on the outer side wall of the rotating shaft, the upper cover can rotate on the outer side wall of the rotating shaft, connecting blocks are arranged on the edges of the outer side walls of the upper cover and the box body, the connecting blocks are used for being fixedly sealed under stress, a connecting groove is formed in one side of the upper cover, which is far away from the rotating shaft, and a wiring element is fixedly arranged on the inner side wall of the box body; according to the invention, through the matching use between the temperature trigger device and the air inlet device, the internal temperature changes to drive the external air to be sucked inwards, and the external dust machine impurities are blocked through the air inlet box, so that the external air cools the inside, and the effect of filling cold air can be achieved while the phenomenon that the inside is aged due to the fact that the inside enters the external impurities is avoided, so that the cooling effect is better, and the equipment use performance is better.

Description

Photovoltaic junction box
Technical Field
The invention relates to the technical field of junction boxes, in particular to a photovoltaic junction box.
Background
The connecting device between the solar cell array formed by the solar cell modules and the solar charging control device is mainly used for connecting and protecting the solar photovoltaic modules, connecting the electric power generated by the solar cells with an external circuit and conducting the current generated by the photovoltaic modules.
The photovoltaic junction box can generate high temperature in the using process, the interior of the existing photovoltaic junction box is not polluted by external dust and impurities due to the fact that the existing photovoltaic junction box needs to be guaranteed, and therefore the existing photovoltaic junction box is cooled only through materials, the cooling efficiency is not good, the internal hot air cannot be taken out, external cold air enters the photovoltaic junction box, air circulation heat dissipation is conducted, internal elements are enabled to be aged more easily at high temperature and are damaged easily, and therefore the photovoltaic junction box is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a photovoltaic junction box.
In order to achieve the purpose, the invention adopts the following technical scheme:
a photovoltaic junction box, comprising:
the box body is fixedly provided with a rotating shaft on the side wall of the box body, an upper cover is movably arranged on the outer side wall of the rotating shaft and can rotate on the outer side wall of the rotating shaft, connecting blocks are arranged on the edges of the outer side walls of the upper cover and the box body and are used for force-bearing fixed sealing, a connecting groove is formed in one side, away from the rotating shaft, of the upper cover, a wiring element is fixedly arranged on the inner side wall of the box body, an output head of the wiring element extends to the side wall of the box body, and the inner side wall of the connecting groove is matched with the side wall of the output head of the wiring element;
the temperature trigger device is arranged inside the box body and is used for driving the device to operate through temperature change;
the air inlet device is arranged inside the box body and is used for air inlet inside the device;
the air pressure releasing device is arranged on one side, close to the rotating shaft, of the box body and is used for releasing internal air.
Preferably, the temperature trigger device comprises a change pipe fixedly arranged at the bottom in the box body, a sliding groove is formed in one side, close to the wiring element, of the change pipe, a zooming air bag is fixedly arranged at the center of the change pipe, carbon dioxide gas is filled in the zooming air bag, sliding blocks are fixedly arranged on two sides of the zooming air bag, the sliding blocks can slide on the inner side wall of the change pipe, an extrusion block is fixedly arranged on the side wall, close to the sliding groove, of the sliding groove, and the extrusion block penetrates through the sliding groove.
Preferably, air inlet unit is including fixed setting up air inlet box on the box body lateral wall, air inlet box is located the outside position of box body and is provided with the bar groove, the fixed atmospheric pressure pipe that is provided with on the inside wall of box body, the activity is provided with the stripper plate on the inside wall of atmospheric pressure pipe, the stripper plate can slide on the inside wall of atmospheric pressure pipe, the fixed push rod that is provided with on the lateral wall of stripper plate, the push rod runs through the lateral wall of atmospheric pressure pipe, the push rod is kept away from one side of atmospheric pressure pipe is fixed and is provided with the pin, the pin is kept away from one side of push rod is fixed and is provided with the actuating lever, the cover is equipped with the answer spring on the lateral wall of push rod, the atmospheric pressure pipe is kept away from one side of pin is provided with the spray-suction device.
Preferably, the spraying and sucking device comprises a one-way air inlet pipe fixedly arranged on the side wall of the air pressure pipe, one side, far away from the air pressure pipe, of the one-way air inlet pipe extends to the inside of the air inlet box, one side, far away from the one-way air inlet pipe, of the air pressure pipe is fixedly provided with a one-way air outlet pipe, and the one-way air outlet pipe is right opposite to the side wall of the wiring element.
Preferably, the atmospheric pressure release is including fixed the setting the box body is kept away from the release pipe of atmospheric pressure pipe one side, the activity is provided with the release board on the inside wall of release pipe, the release board can slide on the inside wall of release pipe, the release mouth has been seted up on the lateral wall of release pipe, the fixed release spring that is provided with on the inside wall of release pipe, the other end of release spring with the lateral wall of release board offsets tightly.
Preferably, one side of the return spring, which is close to the stop lever, abuts against the side wall of the stop lever, and one side of the return spring, which is far away from the stop lever, abuts against the side wall of the pneumatic tube.
Preferably, the extrusion block can slide in the sliding groove along with the sliding block, and one side of the extrusion block, which is far away from the sliding groove, is a triangle with two inclined sides.
Preferably, the plurality of arrays of the driving rod are arranged on the side wall of the stop lever, and the side wall of the driving rod is abutted against the side wall of the extrusion block.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the matching use between the temperature trigger device and the air inlet device, the internal temperature changes to drive the external air to be sucked inwards, and the external dust machine impurities are blocked through the air inlet box, so that the external air cools the inside, and the effect of filling cold air can be achieved while the phenomenon that the inside is aged due to the fact that the inside enters the external impurities is avoided, so that the cooling effect is better, and the equipment use performance is better.
2. According to the invention, through the arrangement of the air pressure release device, when the internal temperature of the box body rises, the internal gas molecular gap is expanded, the expansion and expansion of the scaling air bag further occupy the internal space, and the external air is sucked, so that the internal pressure is obviously expanded, at the moment, the release plate is pushed open by the air pressure, so that the internal gas is discharged from the release port, the one-way air outlet pipe and the release pipe are arranged at two sides in the box body, so that the stable internal and external air exchange can be carried out after the internal temperature rises, the external dust and impurities can not enter, the better heat dissipation effect is achieved, and the stable service life of the equipment is further ensured.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic junction box according to the present invention;
fig. 2 is a schematic back structure diagram of a photovoltaic junction box according to the present invention;
fig. 3 is a structural cross-sectional view of a photovoltaic junction box according to the present invention;
FIG. 4 is an enlarged view of a photovoltaic junction box A according to the present invention;
fig. 5 is an enlarged view of a structure of a photovoltaic junction box B according to the present invention;
fig. 6 is an enlarged view of a structure of a photovoltaic junction box C according to the present invention.
In the figure: 1. a box body; 2. a rotating shaft; 3. an upper cover; 4. connecting blocks; 5. a wiring member; 6. connecting grooves; 7. an air intake box; 8. a change tube; 9. a contracting and expanding air bag; 10. a slider; 11. a sliding groove; 12. extruding the block; 13. a pneumatic tube; 14. a unidirectional air outlet pipe; 15. a one-way air inlet pipe; 16. a pressing plate; 17. a drive rod; 18. a push rod; 19. a stop lever; 20. a return spring; 21. a release tube; 22. a release plate; 23. a release port; 24. the spring is released.
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.
Referring to fig. 1-6, a photovoltaic junction box includes:
the box body 1, the fixed pivot 2 that is provided with on the lateral wall of the box body 1, the activity is provided with the upper cover 3 on the lateral wall of the pivot 2, the upper cover 3 can rotate on the lateral wall of the pivot 2, the lateral wall edge of upper cover 3 and box body 1 has connecting blocks 4, the connecting block 4 is used for the fixed seal of atress, the upper cover 3 has a spread groove 6 away from one side of the pivot 2, the fixed junction element 5 that is provided with on the inside wall of the box body 1, the junction element 5 output head extends to the lateral wall of the box body 1, the inside wall of the spread groove 6 is adaptive to lateral wall of the junction element 5 output head;
the temperature trigger device is arranged inside the box body 1 and is used for driving the device to operate through temperature change;
the temperature trigger device comprises a change pipe 8 fixedly arranged at the bottom in the box body 1, one side of the change pipe 8 close to the wiring element 5 is provided with a sliding groove 11, the center position of the change pipe 8 is fixedly provided with a zooming air bag 9, carbon dioxide gas is filled in the zooming air bag 9, two sides of the zooming air bag 9 are fixedly provided with sliding blocks 10, the sliding blocks 10 can slide on the inner side wall of the change pipe 8, the side wall of the sliding block 10 close to the sliding groove 11 is fixedly provided with an extrusion block 12, the extrusion block 12 penetrates through the sliding groove 11, the extrusion block 12 can slide in the sliding groove 11 along with the sliding block 10, and one side of the extrusion block 12 away from the sliding groove 11 is in a triangular arrangement with two inclined sides;
when the internal temperature rises, the carbon dioxide gas gap inside the zooming air bag 9 is expanded, so that the zooming air bag 9 is enlarged and extends towards two sides along the inner side wall of the change pipe 8, the sliding blocks 10 are pushed towards two sides, the sliding blocks 10 move towards two sides of the change pipe 8, and when the sliding blocks 10 move, the extrusion blocks 12 fixedly connected with the sliding blocks are moved towards two sides;
the air inlet device is arranged inside the box body 1 and is used for air inlet inside the device;
the air inlet device comprises an air inlet box 7 fixedly arranged on the side wall of the box body 1, a strip-shaped groove is formed in the position, located outside the box body 1, of the air inlet box 7, an air pressure pipe 13 is fixedly arranged on the inner side wall of the box body 1, an extrusion plate 16 is movably arranged on the inner side wall of the air pressure pipe 13, the extrusion plate 16 can slide on the inner side wall of the air pressure pipe 13, a push rod 18 is fixedly arranged on the side wall of the extrusion plate 16, the push rod 18 penetrates through the side wall of the air pressure pipe 13, a stop rod 19 is fixedly arranged on one side, far away from the air pressure pipe 13, of the push rod 18, a drive rod 17 is fixedly arranged on one side, far away from the push rod 18, of the stop rod 19, a plurality of arrays of the drive rods 17 are arranged on the side wall of the stop rod 19, the side wall of the drive rod 17 is abutted against the side wall of the extrusion block 12, a return spring 20 is sleeved on the side wall of the push rod 18, one side, close to the stop rod 19, of the return spring 20 is abutted against the side wall of the stop rod 19;
the squeezing block 12 pushes the driving rod 17 towards two sides in the moving process, and due to the inclination of the side wall of the squeezing block 12, the driving rod 17 is pushed by the squeezing block 12 to move towards one side far away from the squeezing block 12, when the squeezing block 12 pushes the driving rod 17 to reach the top of the driving rod, the squeezing block 12 releases the squeezing action on the driving rod, so that the driving rod 17 moves towards one side close to the squeezing block 12 together with the stop rod 19 under the action of the elastic force of the return spring 20 until the next driving rod 17 is contacted and is squeezed again, and when the temperature rises, the pressing block 12 moves and the return spring 20 is matched to enable the stop rod 19 to reciprocate;
the side of the air pressure pipe 13 far away from the stop lever 19 is provided with an ejector;
the spraying and sucking device comprises a one-way air inlet pipe 15 fixedly arranged on the side wall of the air pressure pipe 13, one side of the one-way air inlet pipe 15, far away from the air pressure pipe 13, extends into the air inlet box 7, one side of the air pressure pipe 13, far away from the one-way air inlet pipe 15, is fixedly provided with a one-way air outlet pipe 14, and the one-way air outlet pipe 14 is over against the side wall of the wiring element 5;
when the stop lever 19 reciprocates, the push rod 18 reciprocates, when the push rod 18 moves towards the air pressure pipe 13, the extrusion plate 16 is pushed to move, gas in the air pressure pipe 13 is discharged into the box body 1 through the one-way air outlet pipe 14, when the push rod 18 moves towards a position far away from the air pressure pipe 13, the extrusion plate 16 synchronously moves, and then negative pressure is formed in the air pressure pipe 13, and air is sucked from the inside of the air inlet box 7 through the one-way air inlet pipe 15 for subsequent use;
through the matching use between the temperature trigger device and the air inlet device, the internal temperature changes to drive the internal suction of external air, and the air inlet box 7 is used for blocking external dust machine impurities, so that the external air cools the internal part, and the effect of filling cold air can be achieved while the internal part is prevented from entering external impurities to age the internal part, so that the cooling effect is better, and the equipment use performance is better;
the air pressure releasing device is arranged on one side of the box body 1 close to the rotating shaft 2 and is used for releasing internal air;
the air pressure release device comprises a release pipe 21 fixedly arranged on one side of the box body 1 far away from the air pressure pipe 13, a release plate 22 is movably arranged on the inner side wall of the release pipe 21, the release plate 22 can slide on the inner side wall of the release pipe 21, a release port 23 is formed in the side wall of the release pipe 21, a release spring 24 is fixedly arranged on the inner side wall of the release pipe 21, and the other end of the release spring 24 is abutted against the side wall of the release plate 22;
when the internal temperature is high, the internal air pressure will rise under the action of the temperature and the air intake, so that the air enters the interior of the release pipe 21, the release plate 22 is pressed, the release plate 22 compresses the release spring 24, the release plate 22 goes over the release port 23, the internal air flow is discharged, and when the internal air pressure is reduced, the release plate 22 will be immediately closed under the action of the elastic force of the release spring 24;
through the arrangement of the air pressure release device, when the internal temperature of the box body 1 rises, the internal gas molecular gap is expanded, the scaling air bag 9 expands and expands to further occupy the internal space, and the external air is sucked to obviously expand the internal pressure intensity, at the moment, the release plate 22 is pushed open by the air pressure to discharge the internal gas from the release port 23, the one-way air outlet pipe 14 and the release pipe 21 are arranged at two sides in the box body 1, so that the stable internal and external air exchange can be carried out after the internal temperature rises, the external dust and impurities cannot enter, the better heat dissipation effect is achieved, and the stable service life of the equipment is further ensured;
in the invention, when the temperature inside the zoom airbag 9 is increased, the carbon dioxide gas gap inside the zoom airbag 9 is expanded, the zoom airbag 9 is enlarged and extends to two sides along the inner side wall of the change tube 8, and then the sliding block 10 is pushed to two sides, so that the sliding block 10 moves to two sides of the change tube 8, when the sliding block 10 moves, the extrusion block 12 fixedly connected with the sliding block 12 moves to two sides, the extrusion block 12 pushes the driving rod 17 to two sides in the moving process, the driving rod 17 moves to one side far away from the extrusion block 12 under the extrusion of the extrusion block 12 due to the inclination of the side wall of the extrusion block 12, when the extrusion block 12 pushes the driving rod 17 to the top, the extrusion block 12 releases the extrusion effect on the extrusion block, so that the driving rod 17 moves to one side close to the extrusion block 12 together with the stop rod 19 under the elastic force of the return spring 20, until the next driving rod 17 is contacted, it is squeezed again, so that when the temperature rises, it is moved by the squeezing block 12 and, in cooperation with the return spring 20, the stop rod 19 is reciprocated;
when the stop lever 19 reciprocates, the push rod 18 reciprocates, when the push rod 18 moves towards the air pressure pipe 13, the extrusion plate 16 is pushed to move, gas in the air pressure pipe 13 is discharged into the box body 1 through the one-way air outlet pipe 14, when the push rod 18 moves towards a position far away from the air pressure pipe 13, the extrusion plate 16 synchronously moves, and then negative pressure is formed in the air pressure pipe 13, and air is sucked from the inside of the air inlet box 7 through the one-way air inlet pipe 15 for subsequent use;
when inside high temperature, inside atmospheric pressure will rise under the effect of temperature and air admission, and then make gaseous entering release the inside of pipe 21, the extrusion release board 22, release board 22 compression release spring 24, and then make release board 22 cross release mouth 23, with inside air current discharge, when inside atmospheric pressure reduces, release board 22 will close immediately under release spring 24's elasticity effect.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. A photovoltaic junction box, comprising:
the box body (1), a rotating shaft (2) is fixedly arranged on the side wall of the box body (1), an upper cover (3) is movably arranged on the outer side wall of the rotating shaft (2), the upper cover (3) can rotate on the outer side wall of the rotating shaft (2), connecting blocks (4) are arranged on the edges of the outer side walls of the upper cover (3) and the box body (1), the connecting blocks (4) are used for bearing and fixing sealing, a connecting groove (6) is formed in one side, away from the rotating shaft (2), of the upper cover (3), a wiring element (5) is fixedly arranged on the inner side wall of the box body (1), an output head of the wiring element (5) extends to the side wall of the box body (1), and the inner side wall of the connecting groove (6) is matched with the side wall of the output head of the wiring element (5);
the temperature trigger device is arranged inside the box body (1) and is used for driving the device to operate through temperature change;
the air inlet device is arranged inside the box body (1) and is used for air inlet inside the device;
the air pressure releasing device is arranged on one side, close to the rotating shaft (2), of the box body (1), and the air pressure releasing device is used for releasing internal air.
2. The photovoltaic junction box according to claim 1, wherein the temperature trigger device comprises a change tube (8) fixedly arranged at the bottom in the box body (1), a sliding groove (11) is formed in one side of the change tube (8) close to the wiring element (5), a zooming airbag (9) is fixedly arranged at the center of the change tube (8), carbon dioxide gas is filled in the zooming airbag (9), sliding blocks (10) are fixedly arranged on two sides of the zooming airbag (9), the sliding blocks (10) can slide on the inner side wall of the change tube (8), an extrusion block (12) is fixedly arranged on the side wall of the sliding block (10) close to the sliding groove (11), and the extrusion block (12) penetrates through the sliding groove (11).
3. The photovoltaic junction box according to claim 2, wherein the air inlet device comprises an air inlet box (7) fixedly arranged on the side wall of the box body (1), a strip-shaped groove is formed in the position, located outside the box body (1), of the air inlet box (7), an air pressure pipe (13) is fixedly arranged on the inner side wall of the box body (1), an extrusion plate (16) is movably arranged on the inner side wall of the air pressure pipe (13), the extrusion plate (16) can slide on the inner side wall of the air pressure pipe (13), a push rod (18) is fixedly arranged on the side wall of the extrusion plate (16), the push rod (18) penetrates through the side wall of the air pressure pipe (13), a stop rod (19) is fixedly arranged on one side, away from the air pressure pipe (13), of the stop rod (19), and a driving rod (17) is fixedly arranged on one side, away from the push rod (18), of the stop rod (19), a return spring (20) is sleeved on the side wall of the push rod (18), and a spraying and sucking device is arranged on one side, far away from the stop lever (19), of the air pressure pipe (13).
4. The photovoltaic junction box according to claim 3, wherein the spraying and sucking device comprises a one-way air inlet pipe (15) fixedly arranged on the side wall of the air pressure pipe (13), one side of the one-way air inlet pipe (15) far away from the air pressure pipe (13) extends into the air inlet box (7), one side of the air pressure pipe (13) far away from the one-way air inlet pipe (15) is fixedly provided with a one-way air outlet pipe (14), and the one-way air outlet pipe (14) is opposite to the side wall of the wiring element (5).
5. The photovoltaic junction box according to claim 4, wherein the air pressure releasing device comprises a releasing pipe (21) fixedly arranged on one side of the box body (1) far away from the air pressure pipe (13), a releasing plate (22) is movably arranged on the inner side wall of the releasing pipe (21), the releasing plate (22) can slide on the inner side wall of the releasing pipe (21), a releasing opening (23) is formed in the side wall of the releasing pipe (21), a releasing spring (24) is fixedly arranged on the inner side wall of the releasing pipe (21), and the other end of the releasing spring (24) is abutted against the side wall of the releasing plate (22).
6. A photovoltaic junction box according to claim 5, characterized in that the side of the return spring (20) close to the stop lever (19) abuts against the side wall of the stop lever (19), and the side of the return spring (20) far from the stop lever (19) abuts against the side wall of the gas tube (13).
7. A photovoltaic junction box according to claim 6, characterized in that the extrusion block (12) can slide inside the sliding groove (11) following the sliding block (10), and the side of the extrusion block (12) far away from the sliding groove (11) is arranged in a triangle with two inclined sides.
8. The photovoltaic junction box according to claim 7, characterized in that said driving rods (17) are arranged in a plurality of arrays on the side walls of said bars (19), said side walls of said driving rods (17) being in abutment with the side walls of said pressing blocks (12).
CN202210649114.3A 2022-06-09 2022-06-09 Photovoltaic junction box Withdrawn CN114866023A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210649114.3A CN114866023A (en) 2022-06-09 2022-06-09 Photovoltaic junction box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210649114.3A CN114866023A (en) 2022-06-09 2022-06-09 Photovoltaic junction box

Publications (1)

Publication Number Publication Date
CN114866023A true CN114866023A (en) 2022-08-05

Family

ID=82624429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210649114.3A Withdrawn CN114866023A (en) 2022-06-09 2022-06-09 Photovoltaic junction box

Country Status (1)

Country Link
CN (1) CN114866023A (en)

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Application publication date: 20220805