CN202871808U - Insulating-glass thermoelectricity integration device - Google Patents

Abstract

The utility model relates to a thermoelectric integrated device for hollow glass, which comprises upper and lower glass plates, a silicon photovoltaic cell array assembly, a heat exchange plate, a heat collection tube and a support bracket. Non-metallic spacers with molecular sieves are arranged around the board, and the non-metallic spacers and the upper and lower glass plates are sealed with silicone sealant; the outside of the glass plate is covered with a frame with hanging edges, and the hanging edges of the frame are hooked On the rectangular frame surrounded by the support keel, the rectangular frame is fixed on the installation surface through the support bracket. The utility model not only utilizes heat energy, but also obtains electric energy, and reduces the temperature of the photovoltaic cell to ensure its normal power generation; in the case of limited building space at the present stage, its space utilization rate is greatly improved, and more Install this device to get electricity and heat at the same time.

Description

Hollow glass thermoelectric integration device

technical field

The utility model relates to a hollow glass thermoelectric integration device, which belongs to the technical field of solar energy thermoelectric integration. the

Background technique

Ordinary flat-panel solar photovoltaic modules composite layers are composed of glass, EVA, silicon cells, EVA, back sheet (TPT) and frame from top to bottom. The glass is usually ultra-clear high-transmittance tempered glass, which can It plays a protective role; while EVA glue is used to bond glass and silicon cells, and at the same time squeeze out the air between the glass and silicon cells to play a sealing role. The backsheet (TPT) on the back also seals and protects the silicon cell. The principle of power generation is that sunlight shines on the surface of the silicon cell through the surface glass and EVA. After the silicon cell absorbs sunlight, a small part is converted into electrical energy for power generation, and most of the sunlight is converted into heat energy and dissipated in the air. The efficiency of solar energy utilization is not high. the

Ordinary flat-panel solar water heaters are composed of glass, heat-absorbing plate core (with copper or aluminum tubes on the plate core), heat insulation layer, sealing ring, back plate and frame. Its working principle is that sunlight passes through the surface glass and irradiates the heat-absorbing plate core, heating the water in the plate core and copper or aluminum tubes, and then the hot water flows into the heat preservation water tank, and the cold water enters while the hot water exits, so Cycle work. This method is also not very efficient for the thermal utilization of solar energy. the

Utility model content

The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a thermoelectric integrated device for hollow glass, which can generate electricity and utilize the waste heat generated by photoelectric conversion, and at the same time will lay silicon photocells The light energy absorbed by the void and the surrounding white space is converted into heat energy. the

In order to solve the above technical problems, the utility model provides a thermoelectric integrated device for hollow glass, which includes a support bracket with a rectangular mounting frame, and a hollow solar module, a heat exchange plate, heat collecting tube and insulation layer; the hollow solar module includes upper and lower layers of glass plates, silicon photovoltaic cell array components, spacers and frames, the silicon photovoltaic cell array components are compounded on the upper surface of the lower glass plate, and the upper and lower layers of glass plates Spacer strips are arranged around them, and the spacer strips are sealed and connected with the upper and lower glass plates through sealant, and the frame is installed around the sealed upper and lower glass plates; The groove arranged in the longitudinal direction of the support bracket is embedded with a heat collecting tube, and the two ends of the heat collecting tube are connected to the heat collecting main pipe arranged transversely along the supporting bracket and lead to the outside of the supporting bracket; the heat exchange plate The lower part is provided with bayonet sockets for clamping connection with the heat collecting tubes, and the upper surface of the heat exchanger is flat and closely attached to the lower surface of the lower glass plate of the hollow solar module. the

The technical solution further defined by the utility model is: the aforementioned insulating glass thermoelectric integration device, the support bracket includes a support keel and a base, the support keel includes a longitudinal keel and a transverse keel, and the longitudinal keel and the transverse keel are both U Shaped groove structure, both sides of the longitudinal keel have symmetrical protrusions, and opening slots with the same shape as the cross-section of the transverse keel are arranged at intervals on the longitudinal keel, and the length of the transverse keel is the same as that of two adjacent The spacing of the longitudinal keels is equal, and both ends of the horizontal keel are provided with flanges, and the flanges at both ends of the horizontal keel are engaged with the opening slots on the longitudinal keel, thereby forming a rectangular installation for each solar cell module. Frame; the upper part of the base is provided with an open slot with the same shape as the section of the longitudinal keel, and a concave part matching the protrusion is provided in the open slot of the base, and the longitudinal keel is arranged along the The recessed part is plugged on the base; the four sides of the frame have hook structures, and the hollow solar modules are hung in the rectangular installation frame of the support keel through the hook structures. the

In the aforementioned insulating glass thermoelectric integration device, a rubber pad is provided between the outer sides of the upper and lower glass plates and the frame to reduce the heat conduction between the glass and the frame, and at the same time protect the glass. Reduce the impact of external force. the

In the aforementioned insulating glass thermoelectric integration device, a high-efficiency graphite heat-conducting layer is laid between the lower glass plate and the heat exchange plate, through which heat-conducting layer can not only absorb heat energy efficiently, but also transfer heat efficiently through energy conversion To the heat exchange plate, the heat exchanger is heated through the heat exchange plate. the

In the aforementioned insulating glass thermoelectric integration device, the spacing between the openings of the U-shaped grooves of the transverse keel in the support bracket is smaller than the opening distance of the U-shaped grooves of the longitudinal keel, and the U-shaped grooves of the longitudinal keel can play a role of diversion, and can quickly guide rainwater. At the same time, a "T"-shaped cover plate is provided at the opening of the U-shaped groove of the longitudinal keel to prevent debris from entering the U-shaped groove and affecting rainwater diversion. the

In the aforementioned hollow glass thermoelectric integration device, the hollow solar module is filled with an inert gas layer, and the air in the hollow glass is removed through the inert gas, so as to reduce the oxidation speed of the cells and increase the service life of the equipment. the

In the aforementioned hollow glass thermoelectric integration device, the grooves of the insulation layer are equidistantly arranged in parallel, and the heat collecting tubes are welded into an equidistant parallel structure by copper pipes, matching with the grooves of the insulation board, and the copper pipes The support bracket is laid longitudinally through the whole, so that it can be laid as a whole during installation, which reduces the installation process, improves the stability of the equipment, reduces the connection points of the pipelines, and reduces the failure rate of the heat exchanger. the

For the aforementioned hollow glass thermoelectric integration device, an inspection ladder is provided along the longitudinal direction of the support bracket and parallel to the upper surface of the hollow solar module, and rails are arranged horizontally along the upper and lower ends of the support bracket, and the inspection ladder passes through the pulley block. The parts are installed and moved on the track, and the maintenance ladder is adaptively adjusted according to the angle of sunlight, so as to ensure that the sunlight is not affected by the maintenance ladder. the

In the aforementioned hollow glass thermoelectric integration device, the lower part of the maintenance ladder is provided with a cleaning device that is attached to the upper surface of the hollow solar module, and the surface of the hollow glass layer can be cleaned during the horizontal movement of the maintenance ladder to improve the photoelectricity. conversion efficiency. the

Further, in the aforementioned insulating glass thermoelectric integration device, the non-metal spacer is a rectangular hollow tube structure, and two convex lines are arranged on the contact surface between the rectangular hollow tube and the upper and lower glass plates, and the The sealant is locked between the two protruding strips to prevent uneven coating of the sealant on the spacer, resulting in poor sealing, which affects the sealing effect and shortens the service life of the silicon photovoltaic cell; the non-metallic spacer faces the silicon photovoltaic cell One side of the array module is coated with white fluorine coating to reduce the heat loss caused by heat conduction, and at the same time, it can also protect the non-metallic spacers from aging after long-term exposure to the sun and improve the service life of the non-metallic spacers. the

The beneficial effects of the utility model are: the utility model can not only generate electricity, but also utilize the waste heat generated by photoelectric conversion, and simultaneously convert the light energy absorbed by the gap where the silicon photocell is laid and the surrounding blank space into heat energy. The technical key of this device is to conduct the thermal energy to the heat exchanger in a directional way, so as to maximize the collection, storage and utilization of light heat and waste heat. It not only utilizes heat energy, but also obtains electrical energy, and reduces the temperature of the photovoltaic cell to ensure its normal power generation. In the case of limited building space at this stage, its space utilization rate has been greatly improved, and more devices can be installed in a limited space, while obtaining electricity and heat. the

Description of drawings

Fig. 1 is the structural representation of the utility model. the

Fig. 2 is a schematic diagram of the longitudinal keel connection structure of the utility model. the

Fig. 3 is a schematic diagram of the horizontal keel connection structure of the utility model. the

Detailed ways

Example 1

A hollow glass thermoelectric integration device provided in this embodiment has a structure as shown in Figures 1 to 3, including a glass plate 3, a silicon photovoltaic cell array assembly 10, a heat exchange plate 2, a heat collection tube 1, a support keel 7 and a support bracket 8. The silicon photovoltaic cell array assembly 10 is laid in the upper and lower glass plates, and the upper and lower glass plates are surrounded by non-metallic spacers 5 with molecular sieves, and the non-metallic spacers 5 and the upper and lower glass plates are sealed with silicone Glue sealing, the hollow solar module is filled with an inert gas layer, and the side of the non-metallic spacer facing the silicon photovoltaic cell array component is coated with fluorocarbon coating to reduce heat loss caused by heat conduction, and at the same time protect the non-metallic spacer The bar is not easy to age after being exposed to the sun for a long time, and the service life of the non-metallic spacer bar is improved; the outer side of the upper and lower glass plates is covered with a frame 6 with hanging edges, and a rubber pad 4 is also provided between the frame and the glass plate 3, and the frame The hanging edge of 6 is hooked on the support bracket surrounded by the support keel 7, the U-shaped slot opening spacing of the transverse keel in the rectangular frame surrounded by the support keel 7 is smaller than the U-shaped slot opening spacing of the longitudinal keel, and the frame is fixed on the On the installation surface: the lower part of the hollow solar module is filled with an insulating layer 9, the upper surface of the insulating layer 9 is equally spaced and parallel with grooves, and the heat collecting tube 1 is arranged in the groove, and the lower part of the heat exchange plate 2 is provided with a bayonet to snap into the heat collecting tube 1 , the upper surface of the heat exchange plate 2 is in close contact with the high-efficiency graphite heat conduction layer on the lower surface of the lower glass plate.

The heat collecting tubes in this embodiment are welded by equidistant parallel copper tubes, and the copper tubes are laid throughout the whole according to the longitudinal length of the support bracket, so that they can be laid as a whole during installation, reducing the installation process, improving the stability of the equipment, and reducing the cost of replacement. Heater failure rate. In addition, there is an inspection ladder along the longitudinal direction of the frame and on the upper surface of the hollow solar module, and rails are arranged horizontally along the upper and lower ends of the support bracket. The cleaning device on the upper surface is used to clean the surface of the insulating glass. the

The upper layer of the glass plate 3 in this embodiment is 3.2mm ultra-clear tempered glass, and the light transmittance is as high as more than 90%. On the upper surface of the lower glass of the glass plate 3, the silicon photovoltaic cell array assembly 10 is composited with an EVA adhesive film, and the two layers The four sides of the glass are laminated with non-metallic spacers 5 and silicone sealant to form a hollow solar module. The hollow layer is filled with inert gas, and the spacer is filled with molecular sieves to absorb the remaining water vapor and air in the hollow layer and protect the silicon. The battery is not oxidized, and the surface of the silicon battery does not need any protection, which reduces the loss of a layer of light penetration and improves the power generation efficiency of the silicon battery. The arrangement of silicon cells can be 6×12, 6×6, 8×9, etc., and can be connected in series or in parallel. The arrangement can be designed according to the actual power generation application requirements, and the appropriate installed capacity can be selected. The lead wires of the silicon cells connected in series and parallel are connected to the junction box, and can be drawn out from the side of the insulation layer 9 . The rubber pad 4 is clamped on the four sides of the hollow glass solar group to seal and insulate, and then the frame 6 is clamped on the rubber pad to encapsulate the hollow solar module. the

Below the hollow solar module is the heat exchange plate 2, and there is a card slot under the heat exchange plate 2. The heat collecting tube 1 is stuck in the card slot of the heat exchange plate. It is fixed in the rectangular frame surrounded by the keel connection groove, and the stainless steel bracket is placed under the frame, so that all hollow glass solar modules can be kept fixed on the same plane, the overall appearance is elegant, and it is perfectly combined with the building roof. the

Considering the change of the incident angle of sunlight throughout the year and the thickness of the upper layer glass and the thickness of the hollow layer, according to calculations, a certain distance is left between the placement position of the silicon photovoltaic cell array assembly 10 on the lower glass plate and the frame, which can ensure Collect sunlight in the range of 140° to improve the power generation efficiency of silicon cells. A selective heat-absorbing coating is coated around the lower glass plate where the silicon photovoltaic cell array assembly 10 is not laid to increase the heat absorption rate of the heat exchange plate. the

In addition to the above embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the utility model. the

Claims (10)

1. the double glazing thermoelectric integrated device is characterized in that: comprise the supporting bracket with at least one rectangle installing frame, set gradually hollow solar components, heat exchanger plates, thermal-collecting tube and heat-insulation layer from top to bottom in the rectangle installing frame of described supporting bracket;

Described hollow solar components comprises up and down layer glass plate, silicon photocell array component, spacer bar and frame, described silicon photocell array component is compounded in the upper surface of lower floor's glass plate, arrangement interval bar around between the described up and down layer glass plate, and by fluid sealant described spacer bar and layer glass plate up and down are tightly connected, described frame be installed in good seal up and down layer glass plate around;

The upper surface of described heat-insulation layer is offered the groove of vertically arranging along described supporting bracket, is embedded with thermal-collecting tube at described groove, and described thermal-collecting tube two ends connect along the thermal-arrest house steward of described supporting bracket transverse arrangement of turbo and lead to outside the supporting bracket; Described heat exchanger plates bottom is provided with bayonet socket and described thermal-collecting tube clamping, and described heat exchanger upper surface is that lower floor's glass plate lower surface of plane and described hollow solar components is close to.

2. double glazing thermoelectric integrated device according to claim 1, it is characterized in that: described supporting bracket comprises support keel and base, described support keel comprises vertical keel and lateral keel, described vertical keel and lateral keel are the U-lag structure, the both sides of described vertical keel have symmetrical lug boss, and be interval with the shape opening draw-in groove identical with described lateral keel cross section at described vertical keel, described lateral keel length equates with the spacing of adjacent two vertical keel, described lateral keel two ends are equipped with flange, by the opening draw-in groove clamping on described lateral keel two ends flange and the described vertical keel, thereby consist of the rectangle installing frame that each installs solar module; Described base top is provided with shape and the identical open slot in described vertical keel cross section, is provided with the depressed part that mates with described lug boss in the open slot of described base, and described vertical keel are plugged on the described base along the depressed part of described open slot; Four limits of described frame all have hook structure, by described hook structure the hollow solar components are articulated in the rectangle installing frame of described support keel.

3. double glazing thermoelectric integrated device according to claim 1 is characterized in that: also be provided with rubber blanket between the described up and down layer glass plate outside and the described frame.

4. double glazing thermoelectric integrated device according to claim 1 is characterized in that: also be equipped with the high-efficient graphite heat-conducting layer between described lower floor glass plate and described heat exchanger plates.

5. double glazing thermoelectric integrated device according to claim 2 is characterized in that: the U-lag aperture pitch of lateral keel is less than vertical keel U-lag aperture pitch in the described supporting bracket.

6. double glazing thermoelectric integrated device according to claim 1 is characterized in that: be filled with layer of inert in the described hollow solar components.

7. double glazing thermoelectric integrated device according to claim 1, it is characterized in that: the groove equidistant parallel of described heat-insulation layer arranges, and described thermal-collecting tube is welded into the equidistant parallel structure by copper pipe, with the groove coupling of described warming plate, described copper pipe vertically runs through the whole laying of described supporting bracket.

8. double glazing thermoelectric integrated device according to claim 1, it is characterized in that: along described supporting bracket vertically and be parallel to described hollow solar components upper surface and be provided with the maintenance ladder, along the up and down two ends horizontally set track of described supporting bracket, described maintenance ladder is installed on the described track mobile by pulley assembly.

9. double glazing thermoelectric integrated device according to claim 8 is characterized in that: the terraced bottom of described maintenance is provided with the cleaning device of the described hollow solar components upper surface of fitting.

10. double glazing thermoelectric integrated device according to claim 1, it is characterized in that: described nonmetal spacer bar is the rectangle hollow tubular construction, described rectangle hollow pipe be equipped with two raised lines on the layer glass plate contact-making surface up and down; Described nonmetal spacer bar is coated with the adularescent fluorine coating towards a side of silicon photocell array component.

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