CN104467660A - Special heat exchanger for solar cell panel - Google Patents

Special heat exchanger for solar cell panel Download PDF

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Publication number
CN104467660A
CN104467660A CN201410749993.2A CN201410749993A CN104467660A CN 104467660 A CN104467660 A CN 104467660A CN 201410749993 A CN201410749993 A CN 201410749993A CN 104467660 A CN104467660 A CN 104467660A
Authority
CN
China
Prior art keywords
runner
plate
heat
working medium
solar panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410749993.2A
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Chinese (zh)
Inventor
于晓杰
杜忠略
李斌
崔亚军
韩双
王丹
赵东
赵也
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING FAR EAST HEAT EXCHANGE EQUIPMENT MANUFACTURING Co Ltd
Original Assignee
LIAONING FAR EAST HEAT EXCHANGE EQUIPMENT MANUFACTURING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LIAONING FAR EAST HEAT EXCHANGE EQUIPMENT MANUFACTURING Co Ltd filed Critical LIAONING FAR EAST HEAT EXCHANGE EQUIPMENT MANUFACTURING Co Ltd
Priority to CN201410749993.2A priority Critical patent/CN104467660A/en
Publication of CN104467660A publication Critical patent/CN104467660A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • 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 invention discloses a special heat exchanger for a solar cell panel. The special heat exchanger comprises an absorber plate bonded to the back of the solar cell panel and a runner plate corresponding to the absorber plate in shape and size. The absorber plate and the runner plate are welded in an enclosed mode along the edges of the absorber plate and the runner plate. A sealed heat exchanging working medium cavity is formed between the absorber plate and the runner plate. The middle of the absorber plate and the middle of the runner plate are provided with a plurality of parallel laser welding lines enabling the absorber plate and the runner plate to be connected in a linear mode. The heat exchanging working medium cavity is partitioned to be a continuous turning-back type heat exchanging runner. One end of the heat exchanging runner is provided with a heat exchanging working medium inlet, and the other end of the runner is provided with a heat exchanging working medium outlet. The heat exchange working medium inlet and the heat exchanging working medium outlet are formed in the runner plate. The heat exchanging working medium inlet and the heat exchanging working medium outlet are provided with quick connectors perpendicular to the surface of the absorber plate. By means of the special heat exchanger for the solar cell panel, the working temperature of the solar cell panel can be controlled so as to make the cell panel be always in the best working temperature state, the cell panel is even in temperature distribution, and the cell panel is long in service life.

Description

A kind of solar panel dedicated heat exchanger
Technical field
The present invention relates to a kind of heat transmission equipment, especially a kind of for the temperature controlled solar panel dedicated heat exchanger of solar panel.
Background technology
Solar power generation has the advantages such as clean, safe, pollution-free, by wide popularization and application.Solar panel is while being converted to electric energy by illumination, also can heat up because absorbing illumination, the optimum working temperature of solar panel is 25 DEG C to 55 DEG C, when the temperature of solar panel exceeds optimum temperature, photoelectric conversion rate will decline, when the temperature of solar panel is more than 70 DEG C, even cell panel component wear can be caused.Therefore, usually need to arrange cell panel cooling device at the back side of solar panel, while the working temperature keeping best to make solar panel, the medium (water) of cooling is heated to uniform temperature for domestic water by the superfluous heat that can make full use of solar power silicon plate.The heat transmission equipment of solar panel is not specifically designed in prior art, the employing of some solar panel applying units arranges cooling water pipe at panel backside and lowers the temperature to cell panel, but, because the contact area of cooling water pipe and solar panel is less, heat transfer effect is bad, therefore, easily causes cell panel temperature distributing disproportionation even, affect photoelectric conversion efficiency, Long-Time Service more easily causes cell panel to damage.CN 101764167 A discloses a kind of high-efficient solar photovoltaic cell heat dissipating device and cogeneration system, this system adopts flat-plate heat pipe to cover solar panel backboard, at the back side mounting panel pipe heat exchanger of flat-plate heat pipe, this high-efficient solar photovoltaic cell heat dissipating device also exists the even defect of the two ends temperature distributing disproportionation of heat pipe equally, and, this heat abstractor only can absorb heat from solar panel, and heat can not be provided for cell panel, therefore, when cell panel temperature is lower than (as north of china in winter) during optimum working temperature, can not regulating cell plate temperature in time, cell panel is made to be in optimum working temperature, affect the energy output of cell panel.
Summary of the invention
The technical problem that invention will solve is: provide a kind of solar panel dedicated heat exchanger, this solar panel dedicated heat exchanger can control the working temperature of solar panel in ground, cell panel is made to be in optimum working temperature state all the time, and cell panel uniformity of temperature profile, cell panel long service life.
The technical scheme that technical solution problem is taked: a kind of solar panel dedicated heat exchanger, comprise the absorber plate bonding with Solar panel backside and with absorber plate shape, the runner plate that size is corresponding, absorber plate welds along border seal with runner plate, sealing heat-exchange working medium chamber is formed between absorber plate and runner plate, absorber plate be provided with many in the middle part of runner plate and make absorber plate and the linear parallel laser bonding wire be connected of runner plate, heat-exchange working medium chamber is separated into a continuous Zigzag type heat exchange runner, heat-exchange working medium entrance is provided with in runner one end, heat-exchange working medium outlet is provided with at the runner other end, described heat-exchange working medium entrance and heat-exchange working medium outlet are arranged on runner plate, the snap joint vertical with absorber plate face is provided with heat-exchange working medium outlet at heat-exchange working medium entrance.
As improvement of the present invention: described absorber plate is plane absorber plate, runner plate is suppressed with along runner trend the flow path groove coordinating with absorber plate and form heat exchange runner.
As a further improvement on the present invention: at the bottom across pitch of flow path groove, heat-exchange working medium turbulence structure is set.
As preferably of the present invention: described rope flow structure is the cross section moving towards to suppress along flow path groove bottom flow path groove is rectangle, arc, triangle or trapezoidal flow-disturbing groove, and flow-disturbing cell wall is suppressed with flow-disturbing node.
Described rope flow structure is move towards multiple flow-disturbings projections of setting along flow path groove in the bottom of flow path groove, and the protruding corner of flow-disturbing welds with absorber plate.
Improve further again as of the present invention: on heat-exchange working medium entrance, heat-exchange working medium outlet and the runner plate of snap joint connecting portion, be provided with titanium alloy stiffening plate.
The cross section of described runner is flat trapezoidal, isosceles triangle or arc, and the ratio of width to height of runner is more than or equal to 10.
Improve as another kind of the present invention: be provided with heat-insulation layer at the runner plate back side.
As preferred plan of the present invention: absorber plate and runner plate are that 0.4-1.0mm corrosion resistant plate or titanium alloy sheet are made by thickness, the width 2-4mm of described laser bonding wire.
The runner of heat exchanger turn back end be provided with solar panel lead-in wire gap.
Beneficial effect: solar panel dedicated heat exchanger of the present invention, due to have employed described solar panel dedicated heat exchanger comprise the absorber plate bonding with Solar panel backside and with absorber plate shape, the runner plate that size is corresponding, absorber plate welds along border seal with runner plate, sealing heat-exchange working medium chamber is formed between absorber plate and runner plate, absorber plate be provided with many in the middle part of runner plate and make absorber plate and the linear parallel laser bonding wire be connected of runner plate, heat-exchange working medium chamber is separated into a continuous Zigzag type heat exchange runner, heat-exchange working medium entrance is provided with in runner one end, heat-exchange working medium outlet is provided with at the runner other end, described heat-exchange working medium entrance and heat-exchange working medium outlet are arranged on runner plate, the technical scheme of the snap joint vertical with absorber plate face is provided with heat-exchange working medium outlet at heat-exchange working medium entrance, with heat-conducting glue, solar panel and dedicated heat exchanger absorber plate of the present invention are bonded during work, by injecting heat-exchange working medium in runner, regulate flow and the temperature of heat-exchange working medium, when cell panel temperature is higher than optimum working temperature, circulated by heat-exchange working medium, heat is taken away by heat-exchange working medium, cell panel is cooled to preference temperature, when cell panel temperature is lower than optimum working temperature, circulate as cell panel additional heat by heat-exchange working medium, cell panel is heated to preference temperature, thus make cell panel remain optimum temperature, keep best photoelectric conversion rate, solar panel dedicated heat exchanger of the present invention and cell panel are that face contacts, effective heat exchange area is large, heat-exchange working medium in heat exchanger and cell panel heat exchange more fully evenly, the Temperature Distribution making solar panel also evenly, overcome the excessive drawback easily causing cell panel to damage of local temperature difference, extend the useful life of cell panel, because the runner mouth at heat exchanger is provided with snap joint, facilitate connection between heat exchanger and with the connecting of heat-exchange working medium loop control pipeline, be plane absorber plate owing to have employed described absorber plate, runner plate is suppressed with along runner trend the technical characteristic coordinating the flow path groove forming heat exchange runner with absorber plate, make solar panel and the complete contact heat-exchanging of heat exchanger absorber plate, contactless blind spot, therefore, the heat exchange effect of cell panel and heat exchanger is better, the Temperature Distribution of solar panel evenly, and the bonding of solar panel and heat exchanger absorber plate is more firm, the plane absorber plate be bonded together with solar panel can also supplement the intensity of cell panel, prevent cell panel stress deformation, damage, extend the useful life of cell panel further, owing to have employed the technical characteristic arranging heat-exchange working medium turbulence structure at the bottom across pitch of flow path groove, make heat-exchange working medium form turbulent flow in runner, heat transfer effect is better, be rectangle, arc, triangle or trapezoidal flow-disturbing groove because to have employed described rope flow structure be the cross section moving towards to suppress along flow path groove bottom flow path groove, flow-disturbing cell wall is suppressed with the technical characteristic of flow-disturbing node, the flow of heat-exchange working medium is added while reaching flow-disturbing effect, make heat exchanger to the temperature control better effects if of solar panel, and production is easier, cost is cheaper, be that the multiple flow-disturbings that move towards to arrange along flow path groove bottom flow path groove are protruding owing to have employed described rope flow structure, the technical characteristic of the protruding corner of flow-disturbing and absorber plate laser welding, flow-disturbing projection also can produce horizontal flow-disturbing effect while avoiding heat-exchange working medium to form laminar flow in runner, increase the shearing force of heat-exchange working medium, reduce heat-exchange working medium fouling in runner, heat transfer effect is better, in addition, this turbulence structure improves bearing capacity and the non-deformability of runner, also oxygen blast cyanidation can not be there is when making absorber plate and runner plate carry out heat exchange at a higher pressure, prevent from causing solar panel to come unstuck because of absorber plate and runner plate distortion or damaging, owing to have employed the technical characteristic being provided with titanium alloy stiffening plate on heat-exchange working medium entrance, heat-exchange working medium outlet and the runner plate of snap joint connecting portion, avoid pulling out/insertion pipe time cause absorber plate or runner plate local deformation and cause heat-conducting glue to come off, cell panel damages or snap joint and runner plate connecting portion rupture phenomenon occurs, and makes the cell panel work of employing solar panel of the present invention dedicated heat exchanger more stable, reliable, owing to have employed the technical characteristic being provided with heat-insulation layer at the runner plate back side, prevent the heat-exchange working medium thermal loss in runner on the one hand, the heat energy that the working medium flowed out from heat exchanger is carried is effectively used, on the other hand, when ambient temperature is too low, reduce the heat-exchange working medium thermal loss in runner, reduce the energy ezpenditure required for heating battery plate, owing to reasonably defining the material of absorber plate and runner plate, thickness, the width of laser bonding wire and the height of runner, make the manufacturing cost of solar panel dedicated heat exchanger of the present invention, heat transfer effect, useful life reaches best combination, useful life can reach more than 10 years, due to have employed the runner of heat exchanger turn back end be provided with solar panel lead-in wire gap technical characteristic, while facilitating solar panel wiring, avoid wiring construction increase flow passage resistance force of waterproof.
Accompanying drawing explanation
The front view of Fig. 1 to be cross section of fluid channel be flat trapezoidal solar panel dedicated heat exchanger structure;
The front view of Fig. 2 to be cross section of fluid channel be arc solar panel dedicated heat exchanger structure;
Fig. 3 be in Fig. 1 A to generalized section;
Fig. 4 be in Fig. 2 A to generalized section.
Embodiment
Below in conjunction with accompanying drawing, solar panel dedicated heat exchanger of the present invention is described in further detail.
As Fig. 1, shown in Fig. 2, solar panel dedicated heat exchanger of the present invention, comprise the absorber plate 1 bonding with Solar panel backside and with absorber plate shape, the runner plate 2 that size is corresponding, absorber plate and runner plate are corrosion resistant plate or the titanium alloy sheet of thickness 0.4 ~ 1.0mm, preferred thickness is the corrosion resistant plate of 0.5mm, absorber plate welds along border seal with runner plate, sealing heat-exchange working medium chamber is formed between absorber plate and runner plate, absorber plate be provided with many in the middle part of runner plate and make absorber plate and the linear parallel laser bonding wire 4 be connected of runner plate, heat-exchange working medium chamber is separated into a continuous Zigzag type heat exchange runner 3, the turn back ratio of length and width of flow path of runner is preferably 10-14, the height of runner is 5-15mm, be preferably 10mm, the width 2-4mm of described laser bonding wire, be preferably 3mm, heat-exchange working medium entrance is provided with in runner one end, heat-exchange working medium outlet is provided with at the runner other end, described heat-exchange working medium entrance and heat-exchange working medium outlet are arranged on runner plate, the snap joint 7 vertical with absorber plate face is provided with heat-exchange working medium outlet at heat-exchange working medium entrance, heat-exchange working medium entrance and heat-exchange working medium outlet with the runner plate of snap joint connecting portion are provided with titanium alloy stiffening plate 6, the runner of heat exchanger turn back end be provided with solar panel lead-in wire gap 8.Be provided with heat-insulation layer at the runner plate back side, in order to clear expression flow passage plate structure, in figure, heat insulation layer structure be not shown.
It is flat trapezoidal solar panel dedicated heat exchanger structure that Fig. 3 shows cross section of fluid channel.
It is arc solar panel dedicated heat exchanger structure that Fig. 4 shows cross section of fluid channel.
As shown in Figure 3, Figure 4, described absorber plate 1 is plane absorber plate, runner plate is suppressed with along runner trend the flow path groove coordinating with absorber plate and form heat-exchange working medium runner, cross section of fluid channel be also can adopt isosceles triangle or other there is the shape of a straight flange and a chimb, the ratio of width to height of runner is more than or equal to 10 and is advisable.
As shown in Figure 1 and Figure 2, heat-exchange working medium turbulence structure 5 is set at the bottom across pitch of flow path groove.
As shown in Figure 3, described rope flow structure is bottom flow path groove, move towards the flow-disturbing groove 51 of compacting along flow path groove, and flow-disturbing groove can be rectangle, arc, triangle or trapezoidal for cross section, and flow-disturbing cell wall is suppressed with flow-disturbing node.
As shown in Figure 4, described rope flow structure is move towards multiple flow-disturbing projections 52 of setting along flow path groove, the protruding corner of flow-disturbing and absorber plate laser welding.

Claims (10)

1. a solar panel dedicated heat exchanger, comprise the absorber plate bonding with Solar panel backside and with absorber plate shape, the runner plate that size is corresponding, absorber plate welds along border seal with runner plate, sealing heat-exchange working medium chamber is formed between absorber plate and runner plate, it is characterized in that: absorber plate be provided with many in the middle part of runner plate and make absorber plate and the linear parallel laser bonding wire be connected of runner plate, heat-exchange working medium chamber is separated into a continuous Zigzag type heat exchange runner, heat-exchange working medium entrance is provided with in runner one end, heat-exchange working medium outlet is provided with at the runner other end, described heat-exchange working medium entrance and heat-exchange working medium outlet are arranged on runner plate, the snap joint vertical with absorber plate face is provided with heat-exchange working medium outlet at heat-exchange working medium entrance.
2. solar panel dedicated heat exchanger according to claim 1, is characterized in that: described absorber plate is plane absorber plate, and runner plate is suppressed with along runner trend the flow path groove coordinating with absorber plate and form heat exchange runner.
3. solar panel dedicated heat exchanger according to claim 2, is characterized in that: arrange heat-exchange working medium turbulence structure at the bottom across pitch of flow path groove.
4. solar panel dedicated heat exchanger according to claim 3, it is characterized in that: described rope flow structure is the cross section moving towards to suppress along flow path groove bottom flow path groove is rectangle, arc, triangle or trapezoidal flow-disturbing groove, and flow-disturbing cell wall is suppressed with flow-disturbing node.
5. solar panel dedicated heat exchanger according to claim 3, is characterized in that: described rope flow structure is move towards multiple flow-disturbings projections of setting along flow path groove in the bottom of flow path groove, and the protruding corner of flow-disturbing welds with absorber plate.
6. the solar panel dedicated heat exchanger according to any one of claim 1 to 5, is characterized in that: on heat-exchange working medium entrance, heat-exchange working medium outlet and the runner plate of snap joint connecting portion, be provided with titanium alloy stiffening plate.
7. solar panel dedicated heat exchanger according to claim 6, is characterized in that: the cross section of described runner is flat trapezoidal, isosceles triangle or arc, and the ratio of width to height of runner is more than or equal to 10.
8. solar panel dedicated heat exchanger according to claim 7, is characterized in that: be provided with heat-insulation layer at the runner plate back side.
9. solar panel dedicated heat exchanger according to claim 6, is characterized in that: absorber plate and runner plate are that 0.4-1.0mm corrosion resistant plate or titanium alloy sheet are made by thickness, the width 2-4mm of described laser bonding wire.
10. solar panel dedicated heat exchanger according to claim 8, is characterized in that: the runner of heat exchanger turn back end be provided with solar panel lead-in wire gap.
CN201410749993.2A 2014-12-10 2014-12-10 Special heat exchanger for solar cell panel Pending CN104467660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410749993.2A CN104467660A (en) 2014-12-10 2014-12-10 Special heat exchanger for solar cell panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410749993.2A CN104467660A (en) 2014-12-10 2014-12-10 Special heat exchanger for solar cell panel

Publications (1)

Publication Number Publication Date
CN104467660A true CN104467660A (en) 2015-03-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106685345A (en) * 2016-12-28 2017-05-17 国网浙江省电力公司电力科学研究院 Photovoltaic heat collection plate of semicircle pipe flow channel
CN107270752A (en) * 2017-06-15 2017-10-20 上海久能机电制造有限公司 The contour machining procedure of panel radiator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200986924Y (en) * 2006-12-08 2007-12-05 广东长菱空调冷气机制造有限公司 Solar cell with refrigerating mechanism
CN101414644A (en) * 2008-12-04 2009-04-22 赵耀华 Radiating device for photovoltaic battery
CN201293495Y (en) * 2008-10-11 2009-08-19 广东美的电器股份有限公司 Canula type heat exchanger
CN101673774A (en) * 2008-09-11 2010-03-17 吴桂成 Temperature regulating device for solar cell system
CN101922811A (en) * 2010-07-28 2010-12-22 青岛理工大学 Cylindrical-array volume heat exchanger
JP2014501900A (en) * 2010-11-22 2014-01-23 ソレール ドゥジェ Hybrid solar panel
CN103759432A (en) * 2014-01-06 2014-04-30 南通星昀能源科技有限公司 Superthin superconducting-type heat absorbing plate core and flat-plate solar collector
CN204231292U (en) * 2014-12-10 2015-03-25 辽宁远东换热设备制造有限公司 A kind of solar panel dedicated heat exchanger

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200986924Y (en) * 2006-12-08 2007-12-05 广东长菱空调冷气机制造有限公司 Solar cell with refrigerating mechanism
CN101673774A (en) * 2008-09-11 2010-03-17 吴桂成 Temperature regulating device for solar cell system
CN201293495Y (en) * 2008-10-11 2009-08-19 广东美的电器股份有限公司 Canula type heat exchanger
CN101414644A (en) * 2008-12-04 2009-04-22 赵耀华 Radiating device for photovoltaic battery
CN101922811A (en) * 2010-07-28 2010-12-22 青岛理工大学 Cylindrical-array volume heat exchanger
JP2014501900A (en) * 2010-11-22 2014-01-23 ソレール ドゥジェ Hybrid solar panel
CN103759432A (en) * 2014-01-06 2014-04-30 南通星昀能源科技有限公司 Superthin superconducting-type heat absorbing plate core and flat-plate solar collector
CN204231292U (en) * 2014-12-10 2015-03-25 辽宁远东换热设备制造有限公司 A kind of solar panel dedicated heat exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106685345A (en) * 2016-12-28 2017-05-17 国网浙江省电力公司电力科学研究院 Photovoltaic heat collection plate of semicircle pipe flow channel
CN107270752A (en) * 2017-06-15 2017-10-20 上海久能机电制造有限公司 The contour machining procedure of panel radiator

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Application publication date: 20150325