CN219304793U - Junction box for photovoltaic power generation - Google Patents

Junction box for photovoltaic power generation Download PDF

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Publication number
CN219304793U
CN219304793U CN202320817764.4U CN202320817764U CN219304793U CN 219304793 U CN219304793 U CN 219304793U CN 202320817764 U CN202320817764 U CN 202320817764U CN 219304793 U CN219304793 U CN 219304793U
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China
Prior art keywords
junction box
heat
heat dissipation
power generation
photovoltaic power
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CN202320817764.4U
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Chinese (zh)
Inventor
荣垂川
曲晓军
方苡舟
孟歆媛
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Huaneng Weihai Power Generation Co Ltd
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Huaneng Weihai Power Generation Co Ltd
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    • 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

Abstract

The utility model provides a junction box for photovoltaic power generation, which relates to the technical field of junction boxes and comprises a junction box body, wherein one side of the junction box body is provided with a backboard, a backboard surface heat dissipation mechanism is arranged on one side of the junction box body and comprises a heat absorption plate and heat dissipation fins, a cavity is formed in the heat absorption plate, the heat absorption plate is fixedly connected with one side of the backboard, which faces the inside of the junction box body, the heat dissipation fins are fixedly connected with one side of the backboard, which is far away from the inside of the junction box body, a heat dissipation pipe is inserted in the heat dissipation fins, one end of the top of the heat dissipation pipe is fixedly provided with a communicating pipe, the other end of the communicating pipe is communicated with the heat absorption plate, one end of the bottom of the heat dissipation pipe is fixedly provided with a micro circulating pump, the other end of the micro circulating pump is communicated with the heat absorption plate, and heat conduction liquid is filled in the heat absorption plate and the heat dissipation pipe. The utility model can effectively cool the junction box and has higher practical value.

Description

Junction box for photovoltaic power generation
Technical Field
The utility model belongs to the technical field of junction boxes, and particularly relates to a junction box for photovoltaic power generation.
Background
Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. The solar energy power generation system mainly comprises three parts of a solar panel (assembly), a controller and an inverter, wherein the main parts are composed of electronic components. The solar cells are packaged and protected after being connected in series to form a large-area solar cell module, and then the solar cell module is matched with components such as a power controller to form a photovoltaic power generation device, a junction box is one of the indispensable settings of photovoltaic power generation, the junction box is a switching construction line, marks the branch line, provides a convenient interface device for wiring and line checking, and in some cases, products which are special and are regularly installed, such as a short-circuit isolator and the like, can be installed in the junction box for convenient construction and debugging.
The Chinese patent with the publication number of CN 218450031U discloses a distributed photovoltaic power generation junction box, which comprises a junction box main body, a junction bin is arranged in the junction box main body, a water cooling pipe is fixedly arranged in the junction bin, a water storage tank is fixedly arranged at the upper end of the junction box main body, a water passing column is fixedly arranged in the water storage tank, a water passing hole is formed in the water passing column, the water passing hole is communicated with the water cooling pipe, an electronic valve is fixedly arranged in the water passing hole, a temperature sensor is fixedly arranged on the inner wall of the junction bin, and a water collecting structure is fixedly arranged at the upper end of the water storage tank;
according to the technical scheme, when raining, rainwater can be collected through the trapezoid collecting box and then filtered through the filter screen, the rainwater is conveyed to the water storage box to be stored, when the temperature sensor senses that the temperature in the wiring bin reaches the set temperature, the temperature sensor can transmit signals to the control module, then the control module controls the electronic valve to be opened, water in the water storage box can enter the water cooling pipe through the water passing hole, then water cooling is conducted in the wiring bin, the heat dissipation speed of the power receiving box is improved, the trapezoid collecting box is utilized to collect the rainwater, the power receiving box can dissipate heat through the rainwater, and the utilization of the rainwater is improved.
But this scheme can consume the rainwater of storing when dispelling the heat, and photovoltaic power generation can select the less sunny area setting that occupies than high of rainwater generally, and the device is in rainwater after consumption finishes with motor drive fan rotation to cool water pipe in the air supply heat dissipation, and the radiating effect is limited, inconvenient to use.
Accordingly, the present utility model has been made in view of the above circumstances, and an object of the present utility model is to provide a junction box for photovoltaic power generation which has a more practical value.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a junction box for photovoltaic power generation.
The utility model discloses a junction box for photovoltaic power generation, which is characterized by comprising the following specific technical means:
the utility model provides a junction box for photovoltaic power generation, includes the junction box, the junction box includes the junction box body, junction box body one side is equipped with the backplate, backplate surface heat dissipation mechanism, heat dissipation mechanism includes absorber plate and heat radiation fin, the inside cavity that is equipped with of absorber plate, absorber plate and backplate are towards the inside one side fixed connection of junction box body, just heat radiation fin keeps away from the inside one side fixed connection of junction box body with the backplate, the inside interlude of heat radiation fin is equipped with the cooling tube, cooling tube top one end fixed mounting has communicating pipe, just communicating pipe other end and absorber plate intercommunication, cooling tube bottom one end fixed mounting has the micro-circulation pump, just the micro-circulation pump other end and absorber plate intercommunication, absorber plate and cooling tube intussuseption are filled with the heat conduction liquid.
Adopt the beneficial effect of above-mentioned further scheme, through the setting of backplate, be convenient for fixed mounting heat dissipation mechanism, be equipped with the cavity through the absorber plate is inside, be convenient for inside packing heat conduction liquid, make the absorber plate absorb the inside heat transfer of junction box body to the heat conduction liquid, the heat conduction liquid flows to the cooling tube from communicating pipe again and dispels the heat cooling, through the setting of communicating pipe, be convenient for with cooling tube and absorber plate intercommunication, through the setting of micro circulating pump, be convenient for drive the heat conduction liquid circulation flow of cooling tube and absorber plate inside, play radiating effect with higher speed, it has the heat conduction liquid to fill through absorber plate and cooling tube inside, be convenient for utilize the heat absorption efficiency of heat conduction liquid and the quick efficient butt joint line box body of mobility to dispel the heat.
Furthermore, the radiating fins are made of red copper, and are longitudinally arranged at equal intervals.
The heat dissipation device has the beneficial effects that the heat dissipation fins are made of red copper, and are longitudinally arranged at equal intervals, so that heat dissipation of heat conduction liquid in the heat dissipation tube is accelerated.
Further, the radiating pipe is of an S-shaped structure.
The heat-conducting liquid cooling device has the beneficial effects that the heat-conducting pipe is of an S-shaped structure, so that the flowing stroke of the heat-conducting liquid in the heat-conducting pipe is conveniently increased, and the heat-conducting liquid is cooled more fully.
Further, a telescopic pipe is arranged in the middle of the top end of the radiating pipe.
The heat-conducting liquid heat-dissipating tube has the beneficial effects that the telescopic tube is arranged in the middle of the top end of the heat-dissipating tube, so that heat expansion and cold contraction of the heat-conducting liquid are prevented from damaging the heat-dissipating tube and the heat-absorbing plate, and the service life is prolonged.
Further, a liquid folding plate is arranged inside the heat absorbing plate.
The heat-conducting liquid heat-absorbing plate has the beneficial effects that the liquid-folding plate is arranged inside the heat-absorbing plate, so that the flowing stroke of the heat-conducting liquid in the heat-absorbing plate is conveniently prolonged, and the heat absorption of the heat-conducting liquid is more sufficient.
Further, the top of the junction box body is provided with a rain shelter.
The beneficial effect of adopting above-mentioned further scheme is, is equipped with the canopy through junction box body top, is convenient for shelter from sun and rainwater for the device.
Furthermore, a deflector is arranged at one end, facing the radiating fins, of the bottom of the rain shelter.
The heat radiation device has the beneficial effects that the guide plate is arranged at one end, facing the radiating fins, of the bottom of the rain shelter, so that heat emitted by the radiating fins is conveniently guided to the outside, and the top of the heating junction box body is prevented from being covered by the rain shelter in the heat rising process of the heat emitted by the radiating fins.
Compared with the prior art, the utility model has the following beneficial effects:
1. the junction box for photovoltaic power generation is convenient for fixedly installing the heat dissipation mechanism through the arrangement of the back plate, the cavity is formed in the heat absorption plate, the heat conduction liquid is convenient to fill in, the heat absorption plate absorbs heat in the junction box body and transfers to the heat conduction liquid, the heat conduction liquid flows to the heat dissipation pipe from the communicating pipe for heat dissipation and cooling, the heat dissipation pipe is convenient to communicate with the heat absorption plate through the arrangement of the communicating pipe, the heat conduction liquid in the heat dissipation pipe and the heat absorption plate is convenient to drive to circularly flow through the arrangement of the micro circulating pump, the heat dissipation accelerating effect is achieved, the heat conduction liquid is filled in the heat absorption plate and the heat dissipation pipe, and the heat absorption efficiency and the fluidity of the heat conduction liquid are convenient to utilize to rapidly and efficiently dissipate heat to the junction box body;
2. according to the junction box for photovoltaic power generation, the radiating fins are made of red copper, are longitudinally arranged at equal intervals, so that heat dissipation of heat conduction liquid in the radiating tube is facilitated to be accelerated, and the radiating tube is of an S-shaped structure, so that the flowing stroke of the heat conduction liquid in the radiating tube is facilitated to be increased, and the heat conduction liquid is cooled more fully; the utility model can effectively cool the junction box and has higher practical value.
Drawings
Fig. 1 is a first perspective view of a junction box for photovoltaic power generation of the present utility model;
fig. 2 is a second perspective view of a junction box for photovoltaic power generation according to the present utility model;
FIG. 3 is a partial perspective view of the heat dissipating mechanism of the present utility model;
figure 4 is a cut-away view of the absorber plate of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
101. a junction box; 10101. a junction box body; 10102. rain shelter; 10103. a deflector; 10104. a back plate; 102. a heat dissipation mechanism; 10201. a heat radiation fin; 10202. a heat radiating pipe; 10203. a communicating pipe; 10204. a micro circulation pump; 10205. a heat absorbing plate; 10206. and a liquid folding plate.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Examples:
as shown in fig. 1 to 4:
the utility model provides a junction box for photovoltaic power generation, which comprises a junction box 101, wherein the junction box 101 comprises a junction box body 10101, one side of the junction box body 10101 is provided with a backboard 10104, a heat dissipation mechanism 102 is convenient to fixedly install through the arrangement of the backboard 10104, the surface of the backboard 10104 is provided with a heat dissipation mechanism 102, the heat dissipation mechanism 102 comprises a heat absorption plate 10205 and a heat dissipation fin 10201, a cavity is arranged in the heat absorption plate 10205, the cavity is internally provided with a heat absorption plate 10205, so that the heat absorption plate 10205 absorbs heat in the junction box body 10101 to be transferred to the heat conduction liquid, the heat conduction liquid flows from a communicating pipe 10203 to a radiating pipe 10202 for heat dissipation and cooling, the heat absorption plate 10205 and the backboard 10104 are fixedly connected to one side facing the inside of the junction box body 10101, the heat dissipation fin 10201 and one side of the backboard 10104 far away from the inside of the junction box body 10101 are fixedly connected, the heat dissipation device comprises a heat dissipation fin 10201, a heat dissipation plate 10205, a heat dissipation tube 10202, a communicating tube 10203, a heat absorption plate 10205, a micro circulating pump 10204 and a heat absorption plate 10205, wherein the heat dissipation tube 10202 is inserted into the heat dissipation fin 10201, one end of the top of the heat dissipation tube 10202 is fixedly provided with the communicating tube 10203, the other end of the communicating tube 10203 is communicated with the heat absorption plate 10205, the heat absorption plate 10205 and the heat dissipation tube 10202 are filled with heat conduction liquid through the communicating tube 10203, the heat absorption efficiency and the fluidity of the heat conduction liquid are convenient to utilize, and the heat dissipation is fast and efficient to realize by the arrangement of the micro circulating pump 10204.
The heat dissipation fins 10201 are made of red copper, the heat dissipation fins 10201 are longitudinally arranged at equal intervals, the heat dissipation fins 10201 are made of red copper, and the heat dissipation fins 10201 are longitudinally arranged at equal intervals, so that heat dissipation of heat conduction liquid in the heat dissipation tube 10202 is facilitated.
Wherein, the radiating tube 10202 is of an S-shaped structure, and the radiating tube 10202 is of an S-shaped structure, so that the flowing stroke of the heat conduction liquid in the radiating tube 10202 is conveniently increased, and the heat conduction liquid is cooled more fully.
Wherein, the middle part of the top end of the radiating tube 10202 is provided with a telescopic tube 10207, and the middle part of the top end of the radiating tube 10202 is provided with the telescopic tube 10207, so that the heat expansion and cold contraction of the heat conduction liquid are prevented from damaging the radiating tube 10202 and the heat absorbing plate 10205, and the service life is prolonged.
Wherein, the inside of the heat absorption plate 10205 is provided with a liquid folding plate 10206, and the inside of the heat absorption plate 10205 is provided with the liquid folding plate 10206, so that the travel of the heat conduction liquid flowing in the heat absorption plate 10205 is conveniently prolonged, and the heat absorption of the heat conduction liquid is more sufficient.
Wherein, the junction box body 10101 top is equipped with the canopy 10102, is equipped with the canopy 10102 through junction box body 10101 top, is convenient for shelter from sun and rainwater for the device.
Wherein, the bottom of the rain shelter 10102 is provided with a guide plate 10103 towards one end of the radiating fins 10201, and the guide plate 10103 is arranged towards one end of the radiating fins 10201 through the bottom of the rain shelter 10102, so that the heat emitted by the radiating fins 10201 can be conveniently guided to the outside, and the top of the heating junction box body 10101 is prevented from being covered by the rain shelter 10102 in the heat rising process emitted by the radiating fins 10201.
Specific use and action of the embodiment:
when the product is used, firstly, whether the connection part of the device is fastened is detected, the device is placed at a designated position after the device is ensured to be intact, when heat dissipation is needed, the micro circulating pump 10204 works to drive circulating liquid to circulate inside the radiating pipe 10202 and the heat absorbing plate 10205, heat conducting liquid receives the folded liquid plate 10206 in the heat absorbing plate 10205 to block the repeated baffling from the bottom to flow upwards, heat in the junction box body 10101 is fully absorbed in the upward flowing process and then flows into the radiating pipe 10202 through the communicating pipe 10203, the heat conducting liquid in the radiating pipe 10202 emits the heat carried out from the interior of the junction box body 10101 under the matching action of the radiating fins 10201, and the cooled heat conducting liquid is pumped into the heat absorbing plate 10205 through the micro circulating pump 10204 to conduct circulation heat dissipation.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. The utility model provides a junction box for photovoltaic power generation which characterized in that: including junction box (101), junction box (101) include junction box body (10101), junction box body (10101) one side is equipped with backplate (10104), backplate (10104) surface heat dissipation mechanism (102), heat dissipation mechanism (102) are including absorber plate (10205) and radiator fin (10201), absorber plate (10205) inside is equipped with the cavity, absorber plate (10205) and backplate (10104) are towards one side fixed connection of junction box body (10101) inside, just radiator fin (10201) and backplate (10104) keep away from one side fixed connection of junction box body (10101) inside, radiator fin (10201) inside interlude is equipped with cooling tube (10202), cooling tube (10202) top one end fixed mounting has communicating pipe (10203), just communicating pipe (10203) other end and absorber plate (10205) intercommunication, cooling tube (10202) bottom one end fixed mounting has miniature circulating pump (10204), just miniature circulating pump (10204) other end and absorber plate (10205) intercommunication, cooling tube (10202) inside heat dissipation tube (10202) is equipped with heat dissipation tube (10202).
2. A junction box for photovoltaic power generation according to claim 1, wherein: the radiating fins (10201) are made of red copper, and the radiating fins (10201) are longitudinally arranged at equal intervals.
3. A junction box for photovoltaic power generation according to claim 1, wherein: the radiating pipe (10202) is of an S-shaped structure.
4. A junction box for photovoltaic power generation according to claim 3, wherein: and a telescopic pipe (10207) is arranged in the middle of the top end of the radiating pipe (10202).
5. A junction box for photovoltaic power generation according to claim 1, wherein: the inside of the heat absorbing plate (10205) is provided with a liquid folding plate (10206).
6. A junction box for photovoltaic power generation according to claim 1, wherein: the top of the junction box body (10101) is provided with a rain shelter (10102).
7. A junction box for photovoltaic power generation according to claim 6, wherein: the bottom of the rain shelter (10102) towards one end of the radiating fins (10201) is provided with a guide plate (10103).
CN202320817764.4U 2023-04-13 2023-04-13 Junction box for photovoltaic power generation Active CN219304793U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320817764.4U CN219304793U (en) 2023-04-13 2023-04-13 Junction box for photovoltaic power generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320817764.4U CN219304793U (en) 2023-04-13 2023-04-13 Junction box for photovoltaic power generation

Publications (1)

Publication Number Publication Date
CN219304793U true CN219304793U (en) 2023-07-04

Family

ID=86986725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320817764.4U Active CN219304793U (en) 2023-04-13 2023-04-13 Junction box for photovoltaic power generation

Country Status (1)

Country Link
CN (1) CN219304793U (en)

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