CN2498546Y - Flat solar heat collector and heat collecting plate - Google Patents
Flat solar heat collector and heat collecting plate Download PDFInfo
- Publication number
- CN2498546Y CN2498546Y CN01233379U CN01233379U CN2498546Y CN 2498546 Y CN2498546 Y CN 2498546Y CN 01233379 U CN01233379 U CN 01233379U CN 01233379 U CN01233379 U CN 01233379U CN 2498546 Y CN2498546 Y CN 2498546Y
- Authority
- CN
- China
- Prior art keywords
- heat collector
- absorber plate
- collector
- plate
- heat
- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model relates to a solar heat collector of a flat plate type and a heat collecting plate. Because of adopting the heat collecting plate having a function of supporting a cover plate of the heat collector, the structure of the existing heat collector can realize vacuum seal, the heat dissipation loss is effectively suppressed, and the heat collecting efficiency is enhanced. For avoiding influencing the supporting effect by that the larger elastic deformation is generated when the heat collecting plate is used for supporting the cover plate, the heat collecting plate is supported and strengthened by other components of the heat collector, so the supporting function of the heat collecting plate is stable. The heat collecting plate is in a geometric cylinder structure which is bigger than the surface area, and can likewise enhance the using performance of the heat collector in a non-vacuum heat collector of a flat plate type.
Description
The utility model relates to a kind of photothermal conversion device of collecting solar energy, promptly a kind of flat solar heat collector and the absorber plate that is installed in this heat collector.
At present in the solar low-temperature heat utilization, most popular device is the flat solar heat collector in the solar water heater system, this heat collector comprises a rectangle frame, a packaged absorber plate in frame, and the glass cover-plate and the backboard that are fixed on the frame upper and lower side.Wherein, absorber plate is a core component of realizing the photo-thermal conversion, by shape identical bullion sheet and the metal comb that is fixed on this sheet metal, and the upper and lower conduit composition that is communicated with comb.When solar radiation was heated the sheet metal on the absorber plate through cover-plate glass, sheet metal was passed to comb to heat, with the heating of the water in the pipe, and then standby to heat storage water tank through collector pipe and outer circulating tube delivery.Absorber plate also can dispel the heat with convection current and the radiation mode environment space that temperature is lower towards periphery when comb conducts heat.Stop this radiation loss, heat collector must have good insulation and sealing property, but existing flat-plate collector is too simple because of structure, and sealing is poor, does not still possess this performance requirement, collecting efficiency less than 60%.Poor because of sealing structure, also make the threat that flat-plate collector freezed and can't under temperature arctic weather condition, work, this also is the main cause that flat-plate collector should not use at north of china in winter.Make vacuum structure if will have flat-plate collector now, eliminate the reason that causes heat loss, both can increase substantially collecting efficiency, improve the serviceability of heat collector.The problem that exists is at present, and after heat collector inside was vacuumized, the pressure reduction in ambient atmosphere and heat collector inner vacuum space can make glass cover-plate produce stress and breakage.How to solve the damaging problem of glass cover-plate, be that can existing flat-plate collector realize vacuum, thereby improve the crux problem of serviceability.Patent document CN87206219U has proposed different solutions to this problem respectively with CN92212171.0.When the weak point of these schemes was to solve the cover-plate glass damaging problem, the improvement of its structure had influenced the main performance of heat collector, and structural design is also complicated.
The problems referred to above that the utility model exists at prior art provide a kind of absorber plate that can play a supporting role to collector cover plate, and its purpose is that the support function by this absorber plate solves plate type evacuated heat collector and takes out true back shroud glass because of the pressure reduction damaging problem.
Another purpose of the present utility model, provide a kind of flat-plate collector that above-mentioned absorber plate is housed, comprising plate type evacuated heat collector, this heat collector is on the one hand owing to the effect of absorber plate has improved structural strength and serviceability, other assemblies of heat collector play support and guarantee effect to the function of absorber plate again on the other hand, and the heat collector overall performance further improves.
The purpose of this utility model is achieved in that provides a kind of absorber plate of being made up of the identical compound parabolic cylinder of shape.The sheet metal that at first will constitute absorber plate is pressed into the parabolic cylinder shape, and every cylinder all is center line with the comb, and bilateral symmetry and worn-out mouth are up.To be positioned at again on the comb position of parabolic cylinder bottom and move, and make the cylinder bottom change shape, be divided into two little parabolic cylinderes that connect combs and symmetry.Be communicated with collector pipe by comb then and weld, the equidistant arrangement of each parabolic cylinder is fixed together, " people " the font structure that makes the lateral surface of each adjacent parabolic cylinder be abutted against to become mutually, and structural top will be fitted fixing.Like this, the absorber plate of forming by parabolic cylinder and manufacture and finish.When this absorber plate and other associated components are supporting be assembled into heat collector after, " people " font structural top on the absorber plate contacts with collector cover plate, the bottom contacts with the heat collector backboard, forms the architectural feature of backboard under the upper top cover plate, realizes the support function of absorber plate to collector cover plate thus.For avoiding backboard when bearing pressure, to produce the support force that strain influences absorber plate, a carriage is installed below backboard, this carriage and heat collector frame are fixed, and play the firm effect to backboard, thereby have guaranteed the validity of absorber plate for the cover plate support function.The absorber plate that is made of parabolic cylinder is when collecting solar radiation, make full use of parabolic concentrator and catoptrical characteristic, adapt to the variation of sun projectional angle to greatest extent, and between each parabolic cylinder, carry out heat conduction and heat radiation between each cylinder and the comb, thereby increased the total absorption of absorber plate, improved collecting efficiency for the solar radiation heat.
Owing to adopt above scheme, the support function that the utility model absorber plate is had is solved collector cover plate glass because of the damaged problem of pressure reduction under vacuum state, the absorber plate structure adopts many parabolic cylinder combining forms, and specific area increases, and solar collecting performance improves.Obviously, this programme is used for antivacuum heat collector, has the solar collecting performance of improvement equally, improves the effect of structural strength.
The utility model is described in further detail below in conjunction with drawings and Examples, wherein:
Fig. 1 is the structural representation of the parabolic cylinder absorber plate that provides of the utility model;
Fig. 2 is the plate type evacuated heat collector cross sectional representation that adopts the utility model absorber plate;
Fig. 3 is the structural representation of folding face type absorber plate;
Among the figure: 1 parabolic cylinder, 2 combs, 3 collector pipes, 4 dottle pins, 5 frames
6 cover plates, 7 backboards, 8 carriages
In embodiment illustrated in fig. 1, constitute the parabolic cylinder 1 of absorber plate, comb 2 and collector pipe 3 all adopt the higher and better rigidity metal material of thermal conductivity factor to manufacture.The bullion sheet of having determined size is suppressed a half slot along center line, the metal comb 2 that a diameter is equaled the half slot width is put into groove again, cover a bullion sheet that has same half slot above, two strip metal sheet pressure weldings are one up and down then, and metal comb 2 is fixed in the groove.For saving material, last slice width can be tried one's best littler, gets final product can cover metal comb 2.The bimetallic strip that the centre is had metal comb 2 will be pressed into 1 shape of compound parabolic cylinder shown in the accompanying drawing 1 again, can suppress ripple shallow slot (not shown) simultaneously on this cylinder, to increase the structural strength of cylinder.Owing to adopt isotype compacting, the size and dimension that constitutes each bar parabolic cylinder 1 of absorber plate equates to have good interchangeability during assembling.
According to Fig. 1 embodiment, comb 2 is communicated with collector pipe 3 and seal welding, each parabolic cylinder 1 is connected as a single entity, then the top of each parabolic cylinder 1 adjacent lateral surface is abutted against mutually the binding face of about 1 centimeter width, and fix with rivet or spot welding, absorber plate is promptly assembled and is finished.For the absorber plate that is assembled into is adhered to specification, the spacing that the quantity of parabolic cylinder 1 and comb 2 are communicated with collector pipe 3 is determined, be guaranteed can both be overlapped to form in proper order between each parabolic cylinder " people " font structure.General heat collector width in the time of 0.8 meter-1.0 meters, available 6-8 bar parabolic cylinder 1 adjacent overlap joint, and the strut angle of " people " font structure that is overlapped to form is advisable with 60 ° between 45 °-75 °.
In embodiment illustrated in fig. 2, the heat collector size will guarantee that really absorber plate can 6 times backboards 7 of upper top cover plate, the design size of other assemblies of heat collector is that supporting benchmark is determined with absorber plate also, thereby guarantee the support function of absorber plate, wherein the width of frame 5 is wanted absorber plate two lateral surface tops are contacted with frame 5 medial surfaces, preferably contacts with cover plate 6 simultaneously.By shown in Figure 2, a shell-like dottle pin of making of heat-barrier material is installed on the binding face at parabolic cylinder 1 top, thereby avoid the parabolic cylinder 1 on the absorber plate, produce heat loss through conduction when directly contacting, also make absorber plate have elasticity simultaneously for the support of cover plate with cover-plate glass.
Carriage 8 among Fig. 2 embodiment is metal frames (clearly not illustrating among the figure) that equate with backboard 7 areas, is made up of many fixing metal flat bars of intersection, and the metal flat bar all erects and puts connection, supports mutually.Carriage 8 integral body are bumped in the frame below the backboard 7, and periphery and scuncheon applying, and with Screw or rivet two frames are fixed.
Fig. 3 shows another embodiment.In this embodiment, how much cylinders that constitute absorber plate are compound folding face shape, consider that from supporting this feature of cover plate function how much cylinders that constitute absorber plate both can be curved surface shaped, also can be folding face shapes, can also be the multiple geometric surface forms that combines.But compare with compound parabolic cylinder 1, there is gap in other how much cylinders on effect that supports cover plate 6 and collection thermal radiation function.These problems, the utility model is considered when preferred embodiment.Therefore, all distortion relevant with such scheme or improvement design should be considered as belonging to protection domain of the present utility model.
Claims (8)
1, a kind of absorber plate that is used for flat solar heat collector, described absorber plate comprises identical bullion sheet of shape and the metal comb 2 that is fixed on this sheet metal, each sheet metal is communicated with fixedly with each comb 2 by two strip metal collector pipes 3 and becomes one, it is characterized in that the sheet metal that constitutes absorber plate becomes cylindrical shape how much, and each how much adjacent cylinder edge part is fitted and connected mutually.
2, absorber plate according to claim 1 is characterized in that described how much cylinders can be irregular upwards worn-out mouthful compound parabolic cylinders, and this cylinder bottom shape is divided into two continuous symmetrical little parabolic cylinderes because of moving on comb 2 positions.
3, absorber plate according to claim 1 and 2 is characterized in that each adjacent cylindrical connection and is arranged as identical " people " font structure of shape.
4, absorber plate according to claim 1 is characterized in that nonmetal dottle pin 4 is equipped with at the applying position, edge of each adjacent cylindrical.
5, a kind of flat solar heat collector, described heat collector is made up of flat box-like frame 5 of rectangle and the glass cover-plate 6 and the backboard 7 that are separately fixed at frame 5 upper and lower sides, one metal frame 8 that is used for supporting back board 7 is arranged below the backboard 7, it is characterized in that being equipped with in this heat collector frame 5 the described absorber plate of claim 1, each the how much cylinder top that constitutes this absorber plate contact with collector cover plate 6, and the bottom contacts with heat collector backboard 7.
6, heat collector according to claim 5 is characterized in that constituting between each the how much cylinder edge part of absorber plate and the collector cover plate 6 nonmetal dottle pin 4 is arranged.
7, heat collector according to claim 5 is characterized in that carriages 8 below the backboard 7 intersect fixing metal flat bars by many and form, and each flat is erected and put connection.
8, heat collector according to claim 5 is characterized in that backboard 7 following carriage 8 peripheral medial surfaces with heat collector frame 5 lower edges post and fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01233379U CN2498546Y (en) | 2001-08-15 | 2001-08-15 | Flat solar heat collector and heat collecting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01233379U CN2498546Y (en) | 2001-08-15 | 2001-08-15 | Flat solar heat collector and heat collecting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2498546Y true CN2498546Y (en) | 2002-07-03 |
Family
ID=33647232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01233379U Expired - Fee Related CN2498546Y (en) | 2001-08-15 | 2001-08-15 | Flat solar heat collector and heat collecting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2498546Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012019548A1 (en) * | 2010-08-12 | 2012-02-16 | Wang Dun | Solar thermal collector apparatus and curtain wall provided with the same |
| CN104266370A (en) * | 2014-10-07 | 2015-01-07 | 伟视幕墙（上海）有限公司 | Flat plate collector vacuumized under control of photovoltaic panels |
-
2001
- 2001-08-15 CN CN01233379U patent/CN2498546Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012019548A1 (en) * | 2010-08-12 | 2012-02-16 | Wang Dun | Solar thermal collector apparatus and curtain wall provided with the same |
| CN104266370A (en) * | 2014-10-07 | 2015-01-07 | 伟视幕墙（上海）有限公司 | Flat plate collector vacuumized under control of photovoltaic panels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020703 Termination date: 20100815 |