CN219611720U

CN219611720U - Photovoltaic junction box with general single-double line installation

Info

Publication number: CN219611720U
Application number: CN202320778207.6U
Authority: CN
Inventors: 谷清
Original assignee: Ningbo Lihui Photovoltaic Technology Co ltd
Current assignee: Ningbo Lihui Photovoltaic Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-29
Anticipated expiration: 2033-04-11

Abstract

The utility model relates to the technical field of photovoltaic junction boxes, and discloses a photovoltaic junction box with a general single-double wire installation function, which comprises a box body, wherein a wiring hole is formed in one side of the box body, a top plate is detachably connected to the top of the box body through bolts, a photovoltaic junction box body is arranged in the box body, a protection mechanism is arranged in the box body, and an anti-shaking mechanism is arranged at the bottom of the box body. This photovoltaic terminal box of general distribution list double-line installation through setting up protection machanism, improves the anti of this shell and falls the ability, is convenient for protect this casing not to receive the damage when falling down, leads to the air duct to give vent to anger through setting up gasbag atress deformation for the grip block is fixed to the centre gripping to photovoltaic terminal box body, and casing and photovoltaic terminal box main part collision when preventing that this casing from falling down prevent to damage photovoltaic terminal box main part internals, casing and photovoltaic terminal box main part collision when preventing that this casing from falling down prevent to damage photovoltaic terminal box main part internals.

Description

Photovoltaic junction box with general single-double line installation

Technical Field

The utility model relates to the technical field of photovoltaic junction boxes, in particular to a photovoltaic junction box with a universal single-double-wire installation function.

Background

Along with the increasing popularity of photovoltaic power generation, a photovoltaic junction box is used as a connecting device between a solar cell matrix formed by solar cell modules and a solar charging control device, and is mainly used for connecting and protecting the solar cell modules, connecting the power generated by the solar cells with an external circuit, conducting the current generated by the photovoltaic modules, and placing a common photovoltaic junction box in a protective shell.

The Chinese patent with the search publication number of CN204334469U discloses a photovoltaic junction box, which comprises a box body and a box cover, wherein a square hole is formed in the bottom of the box body, two wiring terminals which are penetrated by power supply wires and provided with through holes are arranged on the outer wall of one side of the box body, a plurality of conductive sheets are arranged in the box body, the box cover comprises a box cover body and an installation part, a clamping plate is arranged on one side of the installation part, a first clamping block is arranged on the inner side of the clamping plate, a boss is arranged on one side of the box body, and a clamping hole for clamping the clamping plate is formed in the boss; two second clamping blocks are arranged at the bottom of one side, far away from the clamping plate, of the mounting part, and clamping grooves for the second clamping blocks to clamp in are formed in the inner wall, far away from the clamping plate, of the box body. The advantages are that: the box body and the box cover are convenient to assemble and disassemble, and the photovoltaic junction box is convenient to repair.

But this photovoltaic terminal box's protective housing anti fall nature is relatively poor, and the inconvenient protection casing is not damaged when falling down, and the casing is collided with the photovoltaic terminal box main part when inconvenient preventing that this casing from falling down, damages photovoltaic terminal box main part internals.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a photovoltaic junction box with a general single-double wire installation. The anti-falling performance of the shell can be improved, the shell is protected from being damaged when falling, the shell can be prevented from being collided with the photovoltaic junction box main body when falling, and the internal parts of the photovoltaic junction box main body are prevented from being damaged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lead to photovoltaic terminal box of joining in marriage single double wire installation, includes the box, the wiring hole has been seted up to one side of box, the top of box is connected with the roof through the bolt can be dismantled, be provided with photovoltaic terminal box body in the box, be provided with protection machanism in the box, the bottom of box is provided with anti-shake mechanism, protection machanism is including the connecting plate, connecting plate sliding connection is in the both sides of box inner chamber, the first spliced pole of bottom fixedly connected with of box inner chamber, the both sides sliding connection of first spliced pole inner chamber has first slider, the top fixedly connected with second spliced pole of first slider, the second spliced pole runs through the top of first spliced pole, and with first spliced pole sliding connection, the top of second spliced pole and the bottom fixed connection of connecting plate, the through-hole has been seted up on the first slider, the fixed cover is equipped with the spring on the first spliced pole, the one end fixed connection of spring is in the bottom of connecting plate, the bottom of other end fixed connection at the box inner chamber, the bottom of bottom fixedly connected with first spliced pole inner chamber, the top of first spliced pole fixedly connected with second spliced pole and the top of the gasbag.

Preferably, the anti-shaking mechanism comprises a piston cylinder, the piston cylinder is fixedly connected to two sides of the inner cavity of the box body, second sliding blocks are slidably connected to two sides of the inner cavity of the piston cylinder, air holes are formed in one side, close to the photovoltaic junction box body, of the piston cylinder, connecting rods are fixedly connected to one side of the second sliding blocks, the connecting rods penetrate through the air holes, air ducts are arranged between the air bags and the piston cylinder in a communicating mode, one end, away from the piston cylinder, of the connecting rods is fixedly connected with a clamping plate, and the bottoms of the clamping plates are slidably connected with the tops of the connecting plates.

Preferably, the number of the wiring holes is two.

The arrangement enables the photovoltaic junction box to simultaneously meet the requirement of the single core wire or the double core wires sleeved with each other in the access shell, and the application range of the photovoltaic junction box is widened.

Preferably, the two sides of the box body are provided with heat dissipation holes.

This arrangement improves the heat dissipation of the device.

Preferably, the bottom of the box body is fixedly connected with a balancing weight.

When setting up like this and making the device drop, can guarantee bottom and ground contact, guarantee that protective structure can function.

Preferably, the size of the ventilation holes is larger than the cross-sectional area of the connecting rod.

This arrangement ensures that the atmospheric pressure in the piston cylinder is constant.

Compared with the prior art, the utility model provides the photovoltaic junction box with the general single-double wire installation, which has the following beneficial effects:

1. this photovoltaic terminal box of general single double-line installation through setting up protection machanism, improves the anti of this shell and falls the nature, is convenient for protect this casing to fall and receives the damage when falling down, is convenient for improve the thermal diffusivity of this casing through setting up cooling machanism, can dismantle through the bolt through the top that sets up the box and be connected with the top for the device uses comparatively convenient.

2. This lead to photovoltaic terminal box of single double-line installation of joining in marriage leads to the air duct to give vent to anger through gasbag atress deformation, because air duct and piston cylinder intercommunication set up for the piston cylinder blows the second slider and is close to photovoltaic terminal box body, makes and second slider fixed connection connecting rod be close to each other, makes and connecting rod fixed connection's grip block be close to each other, makes the grip block carry out the centre gripping with photovoltaic terminal box body fixedly, prevents that this casing from dropping the time casing collides with photovoltaic terminal box main part, prevents to damage photovoltaic terminal box main part internals.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a cross-sectional view of a first connector post of the present utility model;

fig. 4 is an enlarged view of the present utility model a.

In the figure: 1. a case; 2. a wiring hole; 3. a top plate; 4. a photovoltaic junction box body; 5. a protective mechanism; 501. a connecting plate; 502. a first connection post; 503. a first slider; 504. a second connection post; 505. a through hole; 506. a spring; 507. an air bag; 6. an anti-shake mechanism; 601. a piston cylinder; 602. a second slider; 603. ventilation holes; 604. a connecting rod; 605. an air duct; 606. a clamping plate; 7. a heat radiation hole; 8. and (5) balancing weights.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples

As shown in fig. 1 to 4, the utility model provides a photovoltaic junction box with a general single-double wire installation, which comprises a box body 1, wherein the two sides of the box body 1 are provided with radiating holes 7, so that the radiating performance of the device is improved, the bottom of the box body 1 is fixedly connected with a balancing weight 8, so that the bottom can be ensured to be contacted with the ground when the device falls down, a protection structure can be ensured to work, one side of the box body 1 is provided with wiring holes 2, the number of the wiring holes 2 is two, the photovoltaic junction box can simultaneously meet the requirement of the inside of an access shell of a single-core wire or a mutual-sleeved double-core wire by arranging the two wiring holes 2, the application range of the photovoltaic junction box is improved, the two sides of the box body 1 are provided with radiating holes 7, so that the radiating performance of the device is improved, the top of the box body 1 is detachably connected with a top plate 3 through bolts, the box body 4 is arranged in the box body 1, the protection mechanism 5 is arranged in the box body 1, the bottom of the box body 1 is provided with the anti-shaking mechanism 6, the protection mechanism 5 comprises a connecting plate 501, the connecting plate 501 is slidably connected to two sides of the inner cavity of the box body 1, the bottom of the inner cavity of the box body 1 is fixedly connected with a first connecting column 502, two sides of the inner cavity of the first connecting column 502 are slidably connected with a first sliding block 503, the top of the first sliding block 503 is fixedly connected with a second connecting column 504, the second connecting column 504 penetrates through the top of the first connecting column 502 and is slidably connected with the first connecting column 502, the top of the second connecting column 504 is fixedly connected with the bottom of the connecting plate 501, a through hole 505 is formed in the first sliding block 503, damping oil is arranged in the inner cavity of the first connecting column 502, one end of the spring 506 is fixedly connected to the bottom of the connecting plate 501, the other end of the spring 506 is fixedly connected to the bottom of the inner cavity of the box body 1, the bottom of the inner cavity of the box body 1 is fixedly connected with an air bag 507, and the top of the air bag 507 is contacted with the bottom of the connecting plate 501.

In this embodiment, through setting up wiring hole 2 quantity and be two, set up like this and make this photovoltaic terminal box can satisfy the access casing of single heart yearn or each other cover double core line simultaneously inside, promote the application range of this photovoltaic terminal box, set up the louvre 7 through setting up the both sides of box 1, set up the thermal diffusivity that promotes the device like this, through setting up the bottom fixedly connected with balancing weight 8 of box 1, set up like this and make the device drop down time, can guarantee bottom and ground contact, guarantee that protective structure can function.

Examples

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the anti-shaking mechanism 6 comprises a piston cylinder 601, the piston cylinder 601 is fixedly connected to two sides of the inner cavity of the box body 1, two sides of the inner cavity of the piston cylinder 601 are slidably connected with a second sliding block 602, an air vent 603 is formed in one side, close to the photovoltaic junction box body 4, of the piston cylinder 601, the size of the air vent 603 is larger than the cross-sectional area of a connecting rod 604, the air pressure in the piston cylinder 601 can be guaranteed to be constant through the arrangement, a connecting rod 604 is fixedly connected to one side of the second sliding block 602, the connecting rod 604 penetrates through the air vent 603, an air duct 605 is communicated between an air bag 507 and the piston cylinder 601, one end, away from the piston cylinder 601, of the connecting rod 604 is fixedly connected with a clamping plate 606, and the bottom of the clamping plate 606 is slidably connected with the top of the connecting plate 501.

In this embodiment, by setting the size of the ventilation holes 603 to be larger than the cross-sectional area of the connection rod 604, this setting can ensure that the atmospheric pressure in the piston cylinder 601 is constant.

The working principle of the photovoltaic junction box with the universal single-double wire installation is specifically described below.

When the device falls down, as shown in fig. 1-4, as the bottom of the box body 1 is provided with the balancing weight 8, the device ensures that the bottom is contacted with the ground, then the box body 1 is impacted to transmit the impact force to the first connecting column 502 and the second connecting column 504, a buffer layer is formed by the spring 506 and the air bag 507, the impact force is buffered, the air bag 507 is stressed and deformed to cause the air duct 605 to give off air, and the air duct 605 and the piston cylinder 601 are communicated, so that the piston cylinder 601 blows the second sliding block 602 to be close to the photovoltaic junction box body 4, the connecting rod 604 is fixedly connected with the second sliding block 602 to be close to each other, and the clamping plate 606 fixedly connected with the connecting rod 604 is mutually close to each other, so that the clamping plate 606 clamps and fixes the photovoltaic junction box body 4.

Claims

1. The utility model provides a photovoltaic terminal box of general distribution list double-line installation, includes box (1), its characterized in that: the utility model discloses a damping device, including box (1), connecting plate (501), first spliced pole (502) are connected with roof (3) through the bolt can be dismantled at one side of box (1), be provided with photovoltaic terminal box body (4) in box (1), be provided with protection machanism (5) in box (1), the bottom of box (1) is provided with anti-shake mechanism (6), protection machanism (5) are including connecting plate (501), connecting plate (501) sliding connection is in the both sides of box (1) inner chamber, the bottom fixedly connected with first spliced pole (502) of box (1) inner chamber, the both sides sliding connection of first spliced pole (502) inner chamber has first slider (503), the top fixedly connected with second spliced pole (504) of first slider (503), second spliced pole (504) run through the top of first spliced pole (502), the bottom fixed connection of top and connecting plate (501) of second spliced pole (504), first spliced pole (506) are equipped with spring sleeve (506) in the bottom fixedly connected with first spliced pole (506), the other end is fixedly connected to the bottom of the inner cavity of the box body (1), an air bag (507) is fixedly connected to the bottom of the inner cavity of the box body (1), and the top of the air bag (507) is contacted with the bottom of the connecting plate (501).

2. A universal single and twin wire mounted photovoltaic junction box as claimed in claim 1, wherein: the anti-shaking mechanism (6) comprises a piston cylinder (601), the piston cylinder (601) is fixedly connected to two sides of an inner cavity of the box body (1), second sliding blocks (602) are slidably connected to two sides of the inner cavity of the piston cylinder (601), ventilation holes (603) are formed in one side, close to the photovoltaic junction box body (4), of the piston cylinder (601), connecting rods (604) are fixedly connected to one side of each second sliding block (602), the connecting rods (604) penetrate through the ventilation holes (603), air guide pipes (605) are arranged between the air bags (507) and the piston cylinder (601) in a communicating mode, clamping plates (606) are fixedly connected to one ends, far away from the piston cylinder (601), of the connecting rods (604), and bottoms of the clamping plates (606) are slidably connected with tops of the connecting plates (501).

3. A universal single and twin wire mounted photovoltaic junction box as claimed in claim 1, wherein: the number of the wiring holes (2) is two.

4. A universal single and twin wire mounted photovoltaic junction box as claimed in claim 1, wherein: and heat dissipation holes (7) are formed in two sides of the box body (1).

5. A universal single and twin wire mounted photovoltaic junction box as claimed in claim 1, wherein: the bottom of the box body (1) is fixedly connected with a balancing weight (8).

6. A universal single and twin wire mounted photovoltaic junction box as claimed in claim 2, wherein: the size of the ventilation holes (603) is larger than the cross-sectional area of the connecting rod (604).