阅读说明：本技术 一种太阳能电池封装通风装置 (Solar cell encapsulation ventilation unit ) 是由 唐超 于 2021-10-27 设计创作，主要内容包括：本发明公开了一种太阳能电池封装通风装置,属于太阳能电池技术领域,包括电池主体,所述电池主体一端设置有导热机构,导热机构用于将电池主体一端的热量导向电池主体的另一端,电池主体另一端设置有散热通风机构,散热通风机构包括有热感式通风组件与单向通风组件。与现有技术相比,本发明的有益效果是：本发明的结构简单、使用方便,通过导热机构将电池主体被照射一端的热量导向电池主体的背部,并通过散热通风机构对导热机构进行通风散热,散热通风机构在温度不高的情况下通过自然的空气流动对导热机构进行散热,散热通风机构受热封闭时,单向通风组件通过导热机构导入的热量加快散热通风机构内空气流动的效率,提升散热通风机构的散热效果。(The invention discloses a solar cell packaging ventilation device, which belongs to the technical field of solar cells and comprises a cell main body, wherein one end of the cell main body is provided with a heat conduction mechanism, the heat conduction mechanism is used for guiding heat at one end of the cell main body to the other end of the cell main body, the other end of the cell main body is provided with a heat dissipation ventilation mechanism, and the heat dissipation ventilation mechanism comprises a thermal inductance type ventilation assembly and a one-way ventilation assembly. Compared with the prior art, the invention has the beneficial effects that: the battery main body is simple in structure and convenient to use, heat at the irradiated end of the battery main body is guided to the back of the battery main body through the heat conduction mechanism, the heat conduction mechanism is ventilated and radiated through the heat radiation and ventilation mechanism, the heat radiation and ventilation mechanism radiates heat through natural air flow under the condition of low temperature, when the heat radiation and ventilation mechanism is sealed by heat, the one-way ventilation assembly accelerates the air flow efficiency in the heat radiation and ventilation mechanism through the heat guided by the heat conduction mechanism, and the heat radiation effect of the heat radiation and ventilation mechanism is improved.)

1. The utility model provides a solar cell encapsulation ventilation unit, includes the battery main part, its characterized in that, battery main part one end is provided with heat conduction mechanism, and heat conduction mechanism is used for leading the heat of battery main part one end to the other end of battery main part, and the battery main part other end is provided with heat dissipation ventilation mechanism, and heat dissipation ventilation mechanism is used for dispelling the heat to heat conduction mechanism, and heat dissipation ventilation mechanism is including hot sensing formula ventilation assembly and one-way ventilation subassembly, and hot sensing formula ventilation assembly is used for adjusting self radiating state according to the temperature, hot sensing formula ventilation assembly is including sealing the frame, and sealing the frame setting is on the battery main part, and the sealing frame inboard is provided with a plurality of temperature sensing telescopic links, and the temperature sensing telescopic link sets up on heat conduction mechanism, and the heat conduction mechanism one end is kept away from to the temperature sensing telescopic link is provided with the closing plate, and one-way ventilation subassembly is used for cooperating heat conduction mechanism extraction air and ventilates the heat dissipation.

2. The solar cell package ventilation device of claim 1, wherein the heat conducting mechanism comprises a heat conducting net, the heat conducting net is disposed at one end of the cell body, a plurality of heat conducting fins are disposed on the side surface of the heat conducting net, a heat conducting plate is disposed at one end of the heat conducting fins, the end of the heat conducting fins, which is far away from the heat conducting net, the heat conducting plate is fixedly connected with the cell body, and a plurality of heat dissipation fins are disposed at one end of the heat conducting plate, which is far away from the cell body.

3. The solar cell package ventilation device of claim 2, wherein the heat sink has a corrugated cross-section and a plurality of through holes are formed in the heat sink.

4. The solar cell packaging ventilation device of claim 1, wherein the temperature-sensing telescopic rod comprises a heat collecting seat, the heat collecting seat is arranged on the heat conducting mechanism, a hydraulic cylinder is arranged on the heat collecting seat far away from the heat conducting mechanism, the heat collecting seat is communicated with the hydraulic cylinder through a guide pipe, the hydraulic cylinder and the heat collecting seat are filled with liquid, a piston is arranged in the hydraulic cylinder, a rod is arranged at one end of the piston, and the rod is connected with the hydraulic cylinder in a sliding and sealing manner.

5. The solar cell package ventilation device of claim 1, wherein a sealing strip is disposed at one end of the sealing plate close to the sealing frame, the sealing strip is engaged with the sealing frame, an air inlet is disposed at one end of the sealing plate, and an air outlet is disposed at the other end of the sealing plate.

6. The solar cell packaging ventilation device according to claim 1, wherein the unidirectional ventilation assembly comprises a partition plate, a plurality of partition plates which are arranged in a staggered manner are arranged at one end of the cell main body close to the closed frame, one end of each partition plate is connected with the closed frame, an elastic diaphragm assembly is arranged at the other end of each partition plate, and the elastic diaphragm assembly is used for allowing air to pass through in a unidirectional manner.

7. The solar cell package ventilation device according to claim 6, wherein the elastic membrane assembly comprises a rubber membrane, the rubber membrane is fixedly connected to one end of the partition plate and the sealing frame, the stopper is arranged at one end of the rubber membrane and arranged on the cell body, the cross section of the stopper is triangular, and a plurality of air guide holes are formed at one end of the stopper.

Technical Field

The invention relates to the technical field of solar cells, in particular to a solar cell packaging ventilation device.

Background

The solar cell is a device for directly converting light energy into electric energy, the main power generation part of the solar cell is a cell slice, the cell slice is packaged with EVA (hot melt adhesive) through toughened glass and a back plate, and then the cell slice is packaged through an aluminum frame to form the solar cell with certain strength.

When the solar cell is used, a large amount of illumination needs to be received, part of light energy is converted into electric energy to be conveyed out, the other part of light energy is converted into heat energy, the temperature of the solar cell is increased, the tolerance of the crystalline silicon solar cell to the temperature increase is poor, the output power is reduced by 0.45% when the temperature is increased by 1K (Kelvin), and the temperature of the surface of the solar cell is inevitably increased when the solar cell is subjected to normal illumination power generation.

Among the prior art, the mode of ventilating and radiating solar cells is to erect a heat radiating device on the front side of the solar cells, the fan through the heat radiating device radiates the heat of the solar surface, and meanwhile, the thermoelectric generation module is arranged on the back side of the solar cells, the electricity generated by the thermoelectric generation module is used for providing energy for the heat radiating device, but the electric energy generated by the thermoelectric generation module generates electricity according to the temperature difference, but the current generated by the thermoelectric generation module is smaller, the heat radiating effect of the solar cells is poorer by using the thermoelectric generation module, and the cost is higher. To this end, a solar cell package ventilation device has been proposed by those skilled in the art to solve the problems set forth in the background above.

Disclosure of Invention

The present invention is directed to a solar cell package ventilation device, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a solar cell encapsulation ventilation unit, battery pack one end is provided with heat conduction mechanism, and heat conduction mechanism is used for the other end with the heat direction battery pack of battery pack one end, and the battery pack other end is provided with heat dissipation ventilation mechanism, and heat dissipation ventilation mechanism is used for dispelling the heat to heat conduction mechanism, and heat dissipation ventilation mechanism is including hot sensing formula ventilation assembly and one-way ventilation subassembly, and hot sensing formula ventilation assembly is used for adjusting self radiating state according to the temperature, and one-way ventilation subassembly is used for cooperating heat conduction mechanism extraction air and ventilates the heat dissipation.

As a further scheme of the invention: the heat conduction mechanism comprises a heat conduction net, the heat conduction net is arranged at one end of the battery main body, a plurality of heat conduction fins are arranged on the side face of the heat conduction net, one ends, far away from the heat conduction net, of the heat conduction fins are provided with heat conduction plates, the heat conduction plates are fixedly connected with the battery main body, and one ends, far away from the battery main body, of the heat conduction plates are provided with a plurality of radiating fins.

As a still further scheme of the invention: the cross section of the radiating fin is corrugated, and a plurality of through holes are formed in the radiating fin.

As a still further scheme of the invention: the thermal inductance type ventilation assembly comprises a sealed frame, the sealed frame is arranged on the battery main body, a plurality of temperature sensing telescopic rods are arranged on the inner side of the sealed frame, the temperature sensing telescopic rods are arranged on the heat conduction mechanism, and a sealing plate is arranged at one end, far away from the heat conduction mechanism, of each temperature sensing telescopic rod.

As a still further scheme of the invention: the temperature sensing telescopic link comprises a heat collection seat, the heat collection seat is arranged on the heat conduction mechanism, a hydraulic cylinder is arranged on the heat collection seat far away from the heat conduction mechanism, the heat collection seat passes through a guide pipe and the hydraulic cylinder, liquid is filled in the hydraulic cylinder and the heat collection seat, a piston is arranged in the hydraulic cylinder, a rod piece is arranged at one end of the piston, and the rod piece is connected with the hydraulic cylinder in a sliding and sealing mode.

As a still further scheme of the invention: the sealing plate is provided with the sealing strip near sealing frame one end, and the sealing strip agrees with sealing frame, and the air inlet has been seted up to closing plate one end, and the gas outlet has been seted up to the closing plate other end.

As a still further scheme of the invention: the one-way ventilation assembly comprises a partition plate, one end of the battery body, close to the closed frame, is provided with a plurality of partition plates which are arranged in a staggered mode, one end of each partition plate is connected with the closed frame, the other end of each partition plate is provided with an elastic diaphragm assembly, and the elastic diaphragm assemblies are used for blocking air flow on one side and allowing air on the other side to pass through.

As a still further scheme of the invention: the elastic diaphragm assembly comprises a rubber diaphragm, the rubber diaphragm is fixedly connected to one end of the partition plate and the closed frame respectively, a stop block is arranged at one end of the rubber diaphragm and arranged on the battery main body, the cross section of the stop block is triangular, and a plurality of air guide holes are formed in one end of the stop block.

Compared with the prior art, the invention has the beneficial effects that: the heat of the irradiated end of the battery main body is guided to the back of the battery main body through the heat conduction mechanism, the heat conduction mechanism is ventilated and radiated through the heat radiation and ventilation mechanism, the heat radiation and ventilation mechanism radiates heat through natural air flow under the condition that the temperature of the battery main body is low, when the temperature of the battery main body rises to a certain degree, the heat radiation and ventilation mechanism is heated and sealed, the unidirectional ventilation assembly accelerates the air flow efficiency in the heat radiation and ventilation mechanism through the heat guided by the heat conduction mechanism, and the heat radiation effect of the heat radiation and ventilation mechanism is improved.

Drawings

FIG. 1 is a schematic view of a solar cell package ventilation device;

FIG. 2 is a schematic structural view of a heat conducting mesh in a solar cell packaging ventilation device;

FIG. 3 is a schematic structural view of a unidirectional vent assembly in a solar cell package vent;

FIG. 4 is a schematic structural view of a temperature sensing telescopic rod in a solar cell packaging ventilation device;

FIG. 5 is a schematic diagram of the structure of an elastic diaphragm assembly in a solar cell packaging ventilation device;

FIG. 6 is a schematic view of a heat sink in a solar cell package ventilation assembly;

in the figure: 1-battery body, 2-heat conduction mechanism, 21-heat conduction net, 22-heat conduction sheet, 23-heat conduction plate, 24-heat dissipation sheet, 25-through hole, 3-heat dissipation ventilation mechanism, 4-heat-sensitive ventilation component, 41-closed frame, 42-temperature-sensitive telescopic rod, 421-heat collection seat, 422-hydraulic cylinder, 423-guide pipe, 424-piston, 425-rod, 43-sealing plate, 431-sealing strip, 432-air inlet, 433-air outlet, 5-unidirectional ventilation component, 51-partition plate, 52-elastic diaphragm component, 521-rubber diaphragm, 522-block and 523-air guide hole.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

With reference to fig. 1, 2, 3, 4, and 5, an embodiment of the present invention provides a solar cell package ventilation device, which includes, in combination with the illustration: battery body 1, 1 one end of battery body is provided with heat conduction mechanism 2, and heat conduction mechanism 2 is used for the other end with the heat direction battery body 1 of 1 one end of battery body, and the 1 other end of battery body is provided with heat dissipation ventilation mechanism 3, and heat dissipation ventilation mechanism 3 is used for dispelling the heat to heat conduction mechanism 2, and heat dissipation ventilation mechanism 3 is including hot sensing formula ventilation assembly 4 and one-way ventilation subassembly 5, and hot sensing formula ventilation assembly 4 is used for adjusting self radiating state according to the temperature, hot sensing formula ventilation assembly 4 includes and seals frame 41, and seal frame 41 sets up on battery body 1, and seal frame 41 inboard is provided with a plurality of temperature sensing telescopic links 42, and temperature sensing telescopic link 42 sets up on heat conduction mechanism 2, and temperature sensing telescopic link 42 keeps away from heat conduction mechanism 2 one end and is provided with closing plate 43. Drive the closing plate 43 through temperature sensing telescopic link 42 and remove, temperature sensing telescopic link 42 is heated the back and is contracted, drives closing plate 43 and removes to sealing frame 41, and sealing frame 41 forms a relative confined cavity with closing plate 43, and the one-way ventilation subassembly 5 of being convenient for exerts the effect, and one-way ventilation subassembly 5 is used for cooperating heat conduction mechanism 2 extraction air to ventilate the heat dissipation. The heat of the irradiated end of the battery body 1 is guided to the back of the battery body 1 through the heat conduction mechanism 2, and the heat conduction mechanism 2 is ventilated and radiated through the heat radiation ventilation mechanism 3, under the condition that the temperature of the battery body 1 is lower, the heat radiation ventilation mechanism 3 is opened, the heat radiation ventilation mechanism 3 radiates the heat through natural air flow under the condition that the temperature is not high, when the temperature of the battery body 1 rises to a certain degree, the natural air flow cannot meet the ventilation and heat radiation requirements of the heat radiation ventilation mechanism 3, at the moment, the heat radiation ventilation mechanism 3 is heated and sealed, the one-way ventilation assembly 5 realizes the effect of pushing the one-way flow of the internal air under the action of the heat guided by the heat conduction mechanism 2, the efficiency of the air flow in the heat radiation ventilation mechanism 3 is improved, and the ventilation and heat radiation effects of the heat radiation ventilation mechanism 3 are improved.

Referring to fig. 1, 2, 3, and 6, in an embodiment of the present invention, the heat conducting mechanism 2 includes a heat conducting net 21, the heat conducting net 21 is disposed at one end of the battery main body 1, a plurality of heat conducting fins 22 are disposed on a side surface of the heat conducting net 21, a heat conducting plate 23 is disposed at an end of the heat conducting fins 22 away from the heat conducting net 21, the heat conducting plate 23 is fixedly connected to the battery main body 1, and a plurality of heat dissipation fins 24 are disposed at an end of the heat conducting plate 23 away from the battery main body 1. The heat conduction plate 22 is guided by the heat conduction net 21 to the heat of one end of the battery body 1 facing to the sunlight, the heat conduction net 21 is arranged at the gap between each semiconductor battery piece, the heat conduction plate 22 guides the heat of the front side of the battery body 1 to the heat conduction plate 23, the heat conduction plate 23 guides the heat to the heat radiation fins 24, the ventilation and heat radiation effect of the heat conduction plate 23 is accelerated by the heat radiation fins 24, the heat conduction mechanism 2 can also adopt a loop filled with heat conduction liquid to conduct heat, the surface of the battery body 1 is provided with an ultra-small-aperture heat absorption pipe network, the heat absorption pipe network guides the heat conduction plate 23 on the battery body 1 through the main pipe, a heat radiation pipe network is arranged in the heat conduction plate 23, and the heat of one end of the battery body 1 is guided to the other end through the heat conduction liquid.

Referring to fig. 1 and 6, in an embodiment of the present invention, the cross section of the heat sink 24 is corrugated, and the heat sink 24 is provided with a plurality of through holes 25. The surface area of the fin 24 is increased by the corrugation, and the resistance of the air passing through the fin 24 is reduced by the plurality of through holes 25.

With reference to fig. 1, 3, and 4, in an embodiment of the present invention, the temperature sensing telescopic rod 42 includes a heat collecting seat 421, the heat collecting seat 421 is disposed on the heat conducting mechanism 2, a hydraulic cylinder 422 is disposed on the heat collecting seat 421 away from the heat conducting mechanism 2, the heat collecting seat 421 is connected to the hydraulic cylinder 422 through a conduit 423, liquid is filled in the hydraulic cylinder 422 and the heat collecting seat 421, a piston 424 is disposed in the hydraulic cylinder 422, a rod 425 is disposed at one end of the piston 424, and the rod 425 is connected to the hydraulic cylinder 422 in a sliding and sealing manner. The liquid is heated through the heat collection seat 421, the liquid is introduced into the hydraulic cylinder 422 at one end of the piston 424 close to the rod 425 through the conduit 423, the liquid pushes the piston 424 to the heat collection seat 421, and the piston 424 drives the rod 425 and the sealing plate 43 to move towards the sealing frame 41 until the sealing plate 43 abuts against the sealing frame 41.

Referring to fig. 1, in an embodiment of the present invention, a sealing strip 431 is disposed at one end of the sealing plate 43 close to the sealing frame 41, the sealing strip 431 is engaged with the sealing frame 41, an air inlet 432 is disposed at one end of the sealing plate 43, and an air outlet 433 is disposed at the other end of the sealing plate 43. The air inlet 432 is provided with a dust screen, the air outlet 433 is provided with a waterproof shell, certain air tightness is kept through the sealing strips 431, dust and sundries are prevented from entering through the dust screen at the air inlet 432, and rainwater is prevented from falling into the air outlet 433 through the waterproof shell at the air outlet 433.

Referring to fig. 1, 3 and 5, in an embodiment of the present invention, the unidirectional ventilation assembly 5 includes a partition plate 51, a plurality of partition plates 51 are disposed at one end of the battery body 1 close to the sealing frame 41, the partition plates 51 are arranged in a staggered manner, one end of each partition plate 51 is connected to the sealing frame 41, the other end of each partition plate 51 is provided with an elastic membrane assembly 52, and the elastic membrane assembly 52 is used for blocking air flow at one side and allowing air at the other side to pass through. The cavity formed by the closed frame 41 and the sealing plate 43 is divided into a plurality of cavities which are communicated in a staggered mode through the partition plate 51, a sealing gasket is arranged at one end, close to the sealing plate 43, of the partition plate 51, air tightness of each cavity is kept through the sealing gasket, each cavity is divided through the elastic diaphragm assembly 52, the elastic diaphragm assembly 52 can allow air to flow in a single direction, flow of the air in each cavity is promoted, and the one-way ventilation assembly 5 can also adopt a one-way valve to replace the elastic diaphragm assembly 52.

Referring to fig. 1, 3 and 5, in an embodiment of the present invention, the elastic diaphragm assembly 52 includes a rubber diaphragm 521, the rubber diaphragm 521 is fixedly connected to one end of the partition plate 51 and the sealing frame 41, a stopper 522 is disposed at one end of the rubber diaphragm 521, the stopper 522 is disposed on the battery main body 1, the cross-section of the stopper 522 is triangular, and a plurality of air vents 523 are disposed at one end of the stopper 522. The rubber diaphragms 521 on two sides play a role in sealing the chamber and blocking air, the rubber diaphragms 521 on two sides play a role in supporting the stopper 522, and the air guide holes 523 are arranged to allow air to pass through the stopper 522.

The working principle of the invention is that firstly, when the solar cell generates electricity normally, the temperature of the solar cell rises due to the action of illumination radiation, the heat conducting net 21 on the surface of the cell main body 1 guides the heat on the surface of the solar cell to the heat conducting sheet 22, the heat conducting sheet 22 guides the heat to the heat conducting plate 23, the heat conducting plate 23 guides the heat to the heat radiating sheet 24, the heat radiating effect of the solar cell is increased through the heat exchange between the heat radiating sheet 24 and the air, when the temperature of the solar cell rises to a certain degree, the heat conducting mechanism 2 can not meet the heat radiation of the solar cell, in the process, the heat conducting plate 23 heats the liquid in the heat collecting seat 421 of the temperature sensing telescopic rod 42, after the liquid is heated and expanded, the liquid is guided to one side of the piston 424 close to the rod piece 425 through the conduit 423, the piston 424 is pushed to one side of the heat collecting seat 421 by the liquid, the rod piece 425 also moves to one end of the heat collecting seat 421 along with the piston 424, the rod 425 drives the sealing plate 43 to move towards the sealing frame 41, the sealing plate 43 is connected with the sealing frame 41 in a sealing manner through the sealing strip 431, at this time, the heat generated by the radiating fins 24 is absorbed by the air in each chamber separated by the partition plate 51 and the elastic diaphragm assembly 52, after the air in one chamber is heated and expanded, due to the action of the elastic diaphragm assembly 52, when the rubber diaphragm 521 is attached to the stopper 522, the air in one chamber cannot be introduced into the previous chamber through the air guide hole 523, but can push away the rubber diaphragm 521 of the next chamber through the air guide hole 523, so as to be introduced into the next chamber, and so on, after the air in each chamber absorbs the heat, the air is introduced into the next chamber to form intermittent air flow capable of taking away the heat of the solar cell, no extra energy is needed, the solar cell can be ventilated and radiated, and the temperature of the solar cell is not too high, the power generation efficiency of the solar cell is affected.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.