CN219287461U

CN219287461U - Photovoltaic junction box

Info

Publication number: CN219287461U
Application number: CN202223394593.3U
Authority: CN
Inventors: 郝月珍
Original assignee: Shanxi Century Dahua Photoelectric Technology Co ltd
Current assignee: Shanxi Century Dahua Photoelectric Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-30
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to the technical field of power equipment and discloses a photovoltaic junction box, which comprises a box body, wherein the middle part of the top end of the box body is fixedly connected with a top fixing piece, the top of the box body is fixedly connected with top bolt pipes at two sides of the top fixing piece, the inner side of the top bolt pipe is fixedly connected with a first bolt, the middle part of the bottom end of the box body is fixedly connected with a bottom fixing piece, the bottom of the box body is fixedly connected with bottom bolt pipes at two sides of the bottom fixing piece, the inner side of the bottom bolt pipe is fixedly connected with a second bolt, the side surface of the box body is provided with a first connector which is fixedly connected with a second connector, and the middle part of the side surface of the inner cavity of the box body is fixedly connected with a fixing device; the heat of the diode is more quickly transmitted to the box cover through the heat radiation plate, and the side surface of the box cover is fixedly connected with a plurality of heat radiation fins, so that the contact area with an external air domain is increased, the heat generated in the box cover is timely transmitted to an external environment, and the heat radiation efficiency is improved.

Description

Photovoltaic junction box

Technical Field

The utility model relates to the technical field of power equipment, in particular to a photovoltaic junction box.

Background

The photovoltaic junction box is a joint between the solar battery and the solar control unit, and the series high-power diode enables the circuit to be conducted unidirectionally and is responsible for outputting electric energy sent by the module, so that the protection module is normally used.

However, the diode can emit a large amount of heat during operation, traditional photovoltaic terminal box generally improves the heat dispersion of diode through the self-cooling or the silica gel filling of diode, makes the casing of heat transmission to terminal box faster dispel the heat, and terminal box cable probably contacts with packing sealant, leads to cable and packing sealant bonding, is unfavorable for subsequent maintenance, and heat dissipation mode's inefficiency moreover, and the diode can be inefficacy because of the high temperature, and secondly, current terminal box exposes in the humid environment can influence sensor signal to lead to numerical inaccuracy or damage internal parts.

There is therefore a need for a photovoltaic junction box that addresses the above-described problems.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a photovoltaic junction box to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a photovoltaic terminal box, includes the box body, the middle part fixedly connected with top stationary blade on box body top, the top of box body is located top stationary blade both sides fixedly connected with top bolt pipe, the inboard fixedly connected with first bolt of top bolt pipe, the middle part fixedly connected with bottom stationary blade of box body bottom, the bottom of box body is located the both sides fixedly connected with bottom bolt pipe of bottom stationary blade, the inboard fixedly connected with second bolt of bottom bolt pipe.

Further, a first connector is fixedly connected to the side face of the box body, and a second connector is fixedly connected to the other side of the box body.

Further, a fixing device is fixedly connected to the middle of the side face of the inner cavity of the box body, and a diode is fixedly connected to the fixing device.

Further, the side face of the box body is fixedly connected with a sealing waterproof sheet through a first bolt and a second bolt, the top of the sealing waterproof sheet is fixedly connected with a top bolt ring, the inner side of the top bolt ring is fixedly connected with a first bolt, the bottom of the sealing waterproof sheet is fixedly connected with a bottom bolt ring, and the inner side of the bottom bolt ring is fixedly connected with a second bolt; the box cover and the box body are clamped and sealed by the first bolt and the second bolt, so that the tightness of the device is improved, and the waterproof property of the device is improved.

Further, one side of sealing waterproof piece far away from the box body is fixedly connected with the lid through first bolt and second bolt, the top fixedly connected with top mounting of lid, the inboard fixedly connected with first bolt of top mounting, the bottom fixedly connected with bottom mounting of lid, the inboard fixedly connected with second bolt of bottom mounting.

Further, the inner side of the box cover is fixedly connected with a heat dissipation plate, and one side of the box cover, which is far away from the sealing waterproof sheet, is fixedly connected with a plurality of heat dissipation fins.

Further, the heat dissipation plate is made of copper-aluminum alloy, and the heat dissipation fins are made of copper-aluminum alloy; the heat of the diode is more quickly transmitted to the box cover through the heat radiation plate, and the side surface of the box cover is fixedly connected with a plurality of heat radiation fins, so that the contact area with an external air domain is increased, the heat generated in the box cover is timely transmitted to an external environment, and the heat radiation efficiency is improved.

The utility model has the technical effects and advantages that:

1. according to the utility model, the heat dissipation plate and the heat dissipation fins are arranged, so that the heat of the diode can be transmitted to the box cover more quickly through the heat dissipation plate, and the plurality of heat dissipation fins are fixedly connected to the side face of the box cover, so that the contact area with an external air domain is increased, the heat generated in the box cover is transmitted to an external environment in time, and the heat dissipation efficiency is improved.

2. The sealing waterproof sheet is arranged, so that the box cover and the box body clamp the sealing waterproof sheet through the first bolt and the second bolt, the sealing performance of the device is improved, and the waterproof performance of the device is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an exploded view of the overall structure of the present utility model.

Fig. 3 is a schematic view of the internal structure of the case of the present utility model.

Fig. 4 is a schematic structural view of the sealing waterproof sheet of the present utility model.

Fig. 5 is a schematic diagram of the structure of the box cover of the present utility model.

The reference numerals are: 1. a case body; 101. a top fixing piece; 102. a bottom fixing piece; 103. a top bolt tube; 104. a first bolt; 105. a bottom bolt tube; 106. a second bolt; 2. a first connector; 3. a second connector; 4. a diode; 401. a fixing device; 5. sealing waterproof sheets; 501. a top bolt circle; 502. a bottom bolt ring; 6. a heat dissipation plate; 7. a box cover; 701. a top mount; 702. a bottom fixing member; 703. and heat dissipation fins.

Detailed Description

The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the configuration of each structure described in the following embodiments is merely illustrative, and the photovoltaic junction box according to the present utility model is not limited to the configuration described in the following embodiments, but all other embodiments obtained by a person skilled in the art without making any creative effort are within the scope of protection of the present utility model.

Referring to fig. 1-3, the utility model provides a photovoltaic junction box, which comprises a box body 1, wherein the middle part of the top end of the box body 1 is fixedly connected with a top fixing piece 101, the top of the box body 1 is positioned at two sides of the top fixing piece 101 and is fixedly connected with a top bolt pipe 103, the inner side of the top bolt pipe 103 is fixedly connected with a first bolt 104, the middle part of the bottom end of the box body 1 is fixedly connected with a bottom fixing piece 102, the bottom of the box body 1 is positioned at two sides of the bottom fixing piece 102 and is fixedly connected with a bottom bolt pipe 105, and the inner side of the bottom bolt pipe 105 is fixedly connected with a second bolt 106.

Referring to fig. 1-3, the utility model provides a photovoltaic junction box, which further comprises a box body 1, wherein a first connector 2 is fixedly connected to the side surface of the box body 1, and a second connector 3 is fixedly connected to the other side of the box body 1.

Referring to fig. 1-3, the utility model provides a photovoltaic junction box, which further comprises a box body 1, wherein a fixing device 401 is fixedly connected to the middle of the side surface of an inner cavity of the box body 1, and a diode 4 is fixedly connected to the fixing device 401.

Referring to fig. 1-4, the utility model provides a photovoltaic junction box, further comprising a box body 1, wherein the side surface of the box body 1 is fixedly connected with a sealing waterproof sheet 5 through a first bolt 104 and a second bolt 106, the top of the sealing waterproof sheet 5 is fixedly connected with a top bolt ring 501, the inner side of the top bolt ring 501 is fixedly connected with the first bolt 104, the bottom of the sealing waterproof sheet 5 is fixedly connected with a bottom bolt ring 502, and the inner side of the bottom bolt ring 502 is fixedly connected with the second bolt 106; the box cover 7 and the box body 1 are clamped and sealed by the first bolt 104 and the second bolt 106 to seal the waterproof sheet 5, so that the tightness of the device is improved, and the waterproof property of the device is improved.

Referring to fig. 1-5, the utility model provides a photovoltaic junction box, further comprising a sealing waterproof sheet 5, wherein one side of the sealing waterproof sheet 5 far away from the box body 1 is fixedly connected with a box cover 7 through a first bolt 104 and a second bolt 106, the top of the box cover 7 is fixedly connected with a top fixing piece 701, the inner side of the top fixing piece 701 is fixedly connected with the first bolt 104, the bottom of the box cover 7 is fixedly connected with a bottom fixing piece 702, and the inner side of the bottom fixing piece 702 is fixedly connected with the second bolt 106.

Referring to fig. 1-5, the utility model provides a photovoltaic junction box, which further comprises a box cover 7, wherein the inner side of the box cover 7 is fixedly connected with a heat dissipation plate 6, and one side of the box cover 7 far away from a sealing waterproof sheet 5 is fixedly connected with a plurality of heat dissipation fins 703.

Referring to fig. 1 and 2, the utility model provides a photovoltaic junction box, which further comprises a heat dissipation plate 6, wherein the heat dissipation plate 6 is made of copper-aluminum alloy, and the heat dissipation fins 703 are made of copper-aluminum alloy; the heat of the diode 4 is more quickly transmitted to the box cover 7 through the heat radiation plate 6, and the side surface of the box cover 7 is fixedly connected with a plurality of heat radiation fins 703, so that the contact area with an external air domain is increased, the heat generated in the interior is timely transmitted to the external environment, and the heat radiation efficiency is improved.

The working principle of the utility model is as follows: when the heat dissipation device is used, firstly, a cable is connected to the inside of the box body 1 through the first connector 2 and then fixed in the diode 4, then the other cable is connected to the inside of the box body 1 through the second connector 3 and then fixed in the diode 4, then the top bolt ring 501 and the bottom bolt ring 502 of the sealing waterproof sheet 5 are aligned with the top bolt pipe 103 and the bottom bolt pipe 105 of the box body 1, then the top fixing piece 701 and the bottom fixing piece 702 of the box body 7 are aligned with the top bolt pipe 103 and the bottom bolt pipe 105 of the box body 1, then the first bolt 104 passes through the top fixing piece 701 and the top bolt ring 501 and then is screwed in the top bolt pipe 103, then the second bolt 106 passes through the bottom fixing piece 702 and the bottom bolt ring 502 and then is screwed in the bottom bolt pipe 105, so that the box cover 7, the sealing waterproof sheet 5 and the box body 1 are fixedly connected, the sealing waterproof sheet 5 is made of waterproof materials, the purpose of increasing the sealing performance and the waterproof performance of the device is achieved, the heat dissipation plate 6 is fixedly connected to one side of the box cover 7, which is close to the box body 1, then the heat dissipation plate 6 passes through the first bolt 104 and then passes through the top fixing piece 701 and the top bolt ring 501, then is screwed in the top bolt pipe 103, then screwed in the top bolt pipe 103, and then the bottom bolt pipe 103 is screwed into the bottom bolt pipe 105, so that the heat is connected to the heat dissipation device is high-efficient and the heat dissipation device, and the heat is further passes through the heat dissipation device, and reaches the high temperature and reaches the heat dissipation device, and reaches the purpose.

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a photovoltaic terminal box, includes box body (1), its characterized in that: the middle part fixedly connected with top stationary blade (101) on box body (1) top, the top of box body (1) is located top stationary blade (101) both sides fixedly connected with top bolt pipe (103), the inboard fixedly connected with first bolt (104) of top bolt pipe (103), the middle part fixedly connected with bottom stationary blade (102) of box body (1) bottom, the bottom of box body (1) is located both sides fixedly connected with bottom bolt pipe (105) of bottom stationary blade (102), the inboard fixedly connected with second bolt (106) of bottom bolt pipe (105).

2. A photovoltaic junction box according to claim 1, characterized in that: the side of box body (1) has offered fixedly connected with first connector (2), the opposite side fixedly connected with second connector (3) of box body (1).

3. A photovoltaic junction box according to claim 1, characterized in that: the middle part of the inner cavity side surface of the box body (1) is fixedly connected with a fixing device (401), and the fixing device (401) is fixedly connected with a diode (4).

4. A photovoltaic junction box according to claim 1, characterized in that: the side of box body (1) is through first bolt (104) and second bolt (106) fixedly connected with sealing waterproof piece (5), the top fixedly connected with top bolt circle (501) of sealing waterproof piece (5), the inboard fixedly connected with first bolt (104) of top bolt circle (501), the bottom fixedly connected with bottom bolt circle (502) of sealing waterproof piece (5), the inboard fixedly connected with second bolt (106) of bottom bolt circle (502).

5. The photovoltaic junction box of claim 4, wherein: one side that box body (1) was kept away from to sealed waterproof piece (5) is through first bolt (104) and second bolt (106) fixedly connected with lid (7), the top fixedly connected with top mounting (701) of lid (7), the inboard fixedly connected with first bolt (104) of top mounting (701), the bottom fixedly connected with bottom mounting (702) of lid (7), the inboard fixedly connected with second bolt (106) of bottom mounting (702).

6. A photovoltaic junction box according to claim 5, characterized in that: the inner side of the box cover (7) is fixedly connected with a heat radiation plate (6), and one side of the box cover (7) away from the sealing waterproof sheet (5) is fixedly connected with a plurality of heat radiation fins (703).

7. The photovoltaic junction box of claim 6, wherein: the heat dissipation plate (6) is made of copper-aluminum alloy, and the heat dissipation fins (703) are made of copper-aluminum alloy.