CN2637989Y - Negative pressure evaporative plate solar heat collector - Google Patents
Negative pressure evaporative plate solar heat collector Download PDFInfo
- Publication number
- CN2637989Y CN2637989Y CNU032769636U CN03276963U CN2637989Y CN 2637989 Y CN2637989 Y CN 2637989Y CN U032769636 U CNU032769636 U CN U032769636U CN 03276963 U CN03276963 U CN 03276963U CN 2637989 Y CN2637989 Y CN 2637989Y
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- China
- Prior art keywords
- heat
- heat collector
- negative pressure
- fluid
- solar energy
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- 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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- 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 discloses a minus-pressure vaporizing plane solar-power heat-collecting device, comprising a heat-collecting device and a heat-exchanger. The main body of the heat collector is a heat-collecting board with a closed thin-plate cavity formed by a wave board, and a low boiling-point medium is arranged in the cavity of the heat-collecting board. A steam-vent and a liquid return pipe are arranged on the top of the cavity, and the liquid return pipe is extended into the liquid. The heat-exchanger is arranged on a position which is higher than that of the heat collecting device, and the steam-vent and the liquid return pipe of the heat collecting device are respectively closely communicated through pipelines with the hot-flow inlet and the cold-flow outlet of the heat-exchanger, and a vacuum-absorbing vent is arranged on the pipeline. Owing to the adoption of the plane structure with a wave cavity, the lighting area is largely enhanced and the minus-pressure and vaporizing structure can avoid a hot-returning happening when the temperature of the heat collecting device is low, and the light-heat conversion efficiency is largely raised.
Description
Technical field
The utility model relates to a kind of solar energy heat collector, particularly a kind of negative pressure evaporation formula plate type solar heat collector.
Background technology
Existing flat type solar heat collector because the light inlet window open area is limited, can only receive the light that is radiated window area of the sun merely, and density is lower, luminous energy fully can not be compiled, and improves the daylighting effect of unit are.How in light inlet window open area one regularly for this reason,, strengthen the area of plane skylight and fast transform light energy is become heat energy, be the key that improves the flat-plate solar heat collector thermal efficiency.There is following deficiency in existing flat-plate solar heat collector: 1, use copper pipe string sheet as heat-collecting plate core, though its daylighting area is not little in theory, but after the string sheet forms, the entire area that is not every can both absorb sunlight, only the end face towards 1 millimeter of every thickness deficiency of the sun can absorb sunlight, and collecting efficiency is not high.2, use flat water tank as heat-collecting plate core, daylighting area also only equals the area of daylighting window, and its efficient is lower, belongs to simple and easy solar thermal collector.3, use vacuum tube as heat-collecting plate core, because vacuum tube cost of manufacture height rises the solar thermal collector integrated cost.The problem that above-mentioned various heat collector exists has influenced the thermal efficiency and the large tracts of land of flat type solar heat collector in various degree and has popularized use.
The content of utility model
For improving the photo-thermal conversion efficiency of flat type solar heat collector, overcome flat above-mentioned shortcoming of pulling the formula solar thermal collector, the purpose of this utility model is to provide a kind of negative pressure evaporation formula flat solar energy heat collector.It has ultra-thin, simple in structure, photo-thermal conversion efficiency advantages of higher.
Negative pressure evaporation formula flat solar energy heat collector of the present utility model comprises heat collector and heat exchanger.Wherein the main body of this heat collector is the airtight sheet-type cavity thermal-arrest plate that is made of corrugated plating, in this thermal-arrest plate cavity the low-boiling point liquid working media is housed, and the top of cavity is provided with steam outlet pipe and liquid back pipe, and liquid back pipe stretches into the inside of liquid; This heat exchanger is arranged on the position that is higher than heat collector, and heat collector steam outlet pipe and liquid back pipe are communicated with by pipeline is airtight with the hot fluid import and the cold fluid outlet of heat exchanger respectively, and on this pipeline vacuum orifice are set.
This above-mentioned heat collector also is provided with framework, light-passing board, heat-insulation layer and moist-proof board, and this framework is fixed on the sheet-type cavity between light-passing board and the heat-insulation layer, and described moist-proof board is arranged on the heat-insulation layer outside.On this framework suspension arrangement is set.
This above-mentioned heat exchanger comprises fluid reservoir, heat radiation fluid circuit and water lines, and contain fluid medium in the fluid reservoir is equipped with fin on the heat radiation fluid circuit with on the water lines.The tank skin of this fluid reservoir is provided with heat-insulation layer.
One end of the heat radiation fluid circuit of this heat exchanger is communicated with the steam outlet pipe of heat collector as the hot fluid import, and outlet is communicated with the heat collector liquid back pipe other end as hot fluid; One end of water lines is communicated to running water as water inlet, and other end connection shower nozzle etc. uses drainage facility as delivery port.
The ripple of described this corrugated plating is a transverse wave, and the shape of ripple can be semicircular arc and triangle linear.
The utility model is owing to adopt corrugated plating cavity thermal-arrest plate, and horizontal insertion waves shape is adopted on thermal-arrest plate surface, and daylighting area improves greatly.Owing to adopt the project organization of negative pressure evaporation formula, make in the heat collector liquid-working-medium can very fast evaporation under negative pressure, taking heat is absorbed by liquid in the fluid reservoir to heat exchanger, flow back in the heat collector again after the gas of liquid-working-medium evaporation is condensed in heat exchanger, cyclic process improves heat exchange efficiency between heat collector and heat exchanger.Because the liquid-working-medium in the thermal-arrest plate adopts the lower liquid of evaporating temperature, the thermal-arrest plate can be worked under the lower environment of temperature, is unlikely to freezing.Than using the metal vacuum thermal-collecting tube as conductive features, can simplified structure design and saving great amount of cost.And whole heat collector weight can alleviate greatly.
Description of drawings
Fig. 1 is the external structure schematic diagram of the dull and stereotyped negative pressure evaporation formula of the utility model heat collector;
Fig. 2 is the side sectional view (the A-A cutaway view of Fig. 1) of the dull and stereotyped negative pressure evaporation formula of the utility model heat collector;
Fig. 3 is the front section view (the B-B cutaway view of Fig. 1) of the dull and stereotyped negative pressure evaporation formula of the utility model heat collector;
Fig. 4 is a fluid reservoir cross-sectional schematic of the present utility model.
The specific embodiment
For achieving the above object, the technical scheme below the utility model adopts: it is that the heat collector that constitutes of the sheet-type cavity thermal-arrest plate of horizontal insertion waves shape and the coupled high-order liquid storage pot type copper pipe sheet string type heat exchanger that is placed on constitute that dull and stereotyped negative pressure evaporation formula solar energy heat collector comprises by the surface.
As Fig. 1, Fig. 2, shown in Figure 3, this heat collector front is provided with double-deck light-passing board 1, and the back is provided with moist-proof board 9, and heat-insulation layer 8 is positioned at the inboard and support thermal-arrest plate of moist-proof board 9, prevents that heat scatters and disappears.Framework 2 is connected and fixed above-mentioned parts and thermal-arrest plate together, and the both sides of framework 2 are provided with installing plate 3, and installing plate 3 is provided with and installs and fixes hole 4, is used for hanging installing and fixing this heat collector.
The thermal-arrest plate is the airtight cavity of sheet-type, and 7, two corrugated platings 7 of lateral wave card that its surface is semicircle cambered surface are connected to form cavity, and the lower liquid-working-medium of boiling point 10 is housed in the cavity, use alcohol herein.The top of cavity is provided with steam outlet pipe 5, is used to draw the working media steam of evaporation, also is provided with liquid back pipe 6 in addition in the cavity, and this liquid back pipe stretches into the inside of liquid 10, is used to introduce the liquid-working-medium 10 of condensation after the heat exchange.Appropriate location on steam outlet pipe 5 upper pipelines is provided with and vacuumizes opening 13 (see figure 4)s simultaneously.
As shown in Figure 4, be the cross-sectional view of heat exchanger of the present utility model.Its main body is one to be arranged on the fluid reservoir of the position that is higher than heat collector, liquid 26 is housed in this fluid reservoir, and is provided with copper pipe string sheet 17 in this fluid reservoir.The venthole 5 of heat collector thermal-arrest plate cavity is connected to the hot fluid import 11 of copper pipe string sheet 17, and condensation liquid return hole 12 is connected with the liquid back pipe 6 of heat collector thermal-arrest plate cavity.In hot fluid import 11, be provided with simultaneously and vacuumize opening 13, be used for and extract out with copper pipe string sheet 17 interior air in the heat collector cavity.
Establish one group of copper pipe string sheet 23 in the fluid reservoir in addition, the inlet 24 of this group copper pipe string sheet 23 is connected with indoor running water, and liquid outlet 25 is connected with hot water with indoor bathing shower nozzle or life.
This fluid reservoir is made of heat-insulation layer 16 between interior bucket 15, outer bucket 14 and the inside and outside bucket.In the middle of the bottom between the inside and outside bucket bracing ring 28 is set, the bottom outside of bucket 16 is provided with base 29 outside.The movable loam cake 30 of insulation is set at the top of fluid reservoir, and the movable loam cake 30 of this insulation is by fastening bolt 22 and rubber blanket 27 airtight being fixed on the fluid reservoir.On the movable loam cake 30 of insulation, escape pipe 18 is housed, automatic blow off valve valve air relief 19 is used for regularly discharging the gas in the fluid reservoir, to guarantee the fluid reservoir security of operation.And on this escape pipe 18, fluid infusion switch 20 is set, fluid infusion funnel 21 so that in fluid reservoir liquid make-up.
Above-mentioned of the present utility model dull and stereotyped negative pressure evaporation formula solar energy heat collector in use, by the installing hole on the installing plate 34 heat collector is installed in outdoor suitable position, the one side that makes light-passing board 1 is towards the sun, then heat exchanger is installed in the indoor of the position that is higher than heat collector, and heat collector and heat exchanger is interconnected by pipeline.In the heat collector cavity, pour into liquid-working-medium 10 (being alcohol) here by vacuum orifice, again the air in cavity and the copper pipe string sheet 17 is extracted out.Then, install heat exchanger, running water is connected to water inlet pipe 24, the water setting is connected to outlet pipe 25.The corrugated plating 7 of heat collector absorbs sunshine and converts heat energy to, liquid 10 in the heating cavity, the steam that liquid 10 evaporations produce is introduced the copper pipe string sheet 17 of heat exchanger by steam outlet pipe 5, liquid 26 in the heating fluid reservoir, steam is condensed into liquid-working-medium simultaneously, send back to by liquid back pipe 6 in the corrugated plating cavity of heat collector, form working cycles.At this moment the temperature of the liquid in the fluid reservoir can constantly raise, and heat just is stored in the liquid 26 in the fluid reservoir.When opening running water water inlet 24 and during with drainage facility delivery port 25, running water absorbs the heat of liquid 26 during by copper pipe string sheet 23 and the rising temperature just has hot water and flows out.
This dull and stereotyped negative pressure steaming device formula solar energy heat collector, thermal-arrest plate adopt the laterally cavity of insertion waves shape of surface, and daylighting area can reach the twice of daylighting window, has improved the daylighting effect greatly.Adopt the project organization of vacuum evaporator formula to have following advantage: 1, liquid-working-medium can very fast evaporation under negative pressure in the thermal-arrest plate cavity, taking heat is absorbed by liquid in the fluid reservoir to heat exchanger, after being condensed in heat exchanger, the gas of liquid-working-medium evaporation flows back to again in the thermal-arrest plate cavity, cyclic process is between heat collector and the heat exchanger, not with fluid reservoir in liquid take place directly to contact, can prevent that liquid is back in the thermal-arrest plate in the fluid reservoir, avoid the heat leakage when the temperature of thermal-arrest plate cavity is lower than the fluid reservoir temperature; 2, the liquid-working-medium in the thermal-arrest plate cavity adopts the lower liquid of evaporating temperature, and the thermal-arrest plate can be worked under the lower environment of temperature, is unlikely to freezing; 3, than using the metal vacuum heat pipe as conductive features, not only can the simplified structure design save great amount of cost, and whole heat collector weight can alleviate greatly, can be contained in building, roof, also can be mounted on balcony protects to block and pulls, fluid reservoir can be placed in the balcony, does not take the space of toilet.Another group copper pipe sheet string type cold-water heat exchanger that is provided with in the fluid reservoir can make cold water enter heat exchange in the fluid reservoir liquid by tap water pressure, is not subjected to distance, effect of altitude, without pump circulation pressurization.
Claims (8)
1. negative pressure evaporation formula flat solar energy heat collector, comprise heat collector and heat exchanger, it is characterized in that: the main body of this heat collector is the airtight sheet-type cavity that is made of corrugated plating, the low-boiling point liquid working media is housed in this cavity, the top of this cavity is provided with steam outlet pipe and liquid back pipe, and liquid back pipe stretches into the inside of liquid; This heat exchanger is arranged on the position that is higher than heat collector, and heat collector steam outlet pipe and liquid back pipe are communicated with by airtight with the hot fluid import and the cold fluid outlet of heat exchanger respectively, and on this pipeline vacuum orifice are set.
2. negative pressure evaporation formula flat solar energy heat collector according to claim 1, it is characterized in that: this heat collector also is provided with framework, light-passing board, heat-insulation layer and moist-proof board, this framework is fixed on the sheet-type cavity between light-passing board and the heat-insulation layer, and described moist-proof board is arranged on the heat-insulation layer outside.
3. negative pressure evaporation formula flat solar energy heat collector according to claim 2 is characterized in that: on this framework suspension arrangement is set.
4. negative pressure evaporation formula flat solar energy heat collector according to claim 1, it is characterized in that: this heat exchanger comprises fluid reservoir, be provided with heat radiation fluid circuit and water lines in this fluid reservoir, contain fluid medium in the fluid reservoir is equipped with fin on the heat radiation fluid circuit with on the water lines.
5. negative pressure evaporation formula flat solar energy heat collector according to claim 4, it is characterized in that: the tank skin of this fluid reservoir is provided with heat-insulation layer.
6. negative pressure evaporation formula flat solar energy heat collector according to claim 4, it is characterized in that: an end of the heat radiation fluid circuit of this heat exchanger is communicated with the steam outlet pipe of heat collector as the hot fluid import, and outlet is communicated with the heat collector liquid back pipe other end as hot fluid; One end of water lines is communicated to running water as water inlet, and other end connection shower nozzle etc. uses drainage facility as delivery port.
7. negative pressure evaporation formula flat solar energy heat collector according to claim 4 is characterized in that: this fluid reservoir is provided with automatic blow off valve valve air relief, fluid infusion funnel and fluid infusion switch.
8. negative pressure evaporation formula flat solar energy heat collector according to claim 1, it is characterized in that: the ripple of this corrugated plating is a transverse wave, the shape of ripple be semicircular arc and triangle linear one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032769636U CN2637989Y (en) | 2003-07-17 | 2003-07-17 | Negative pressure evaporative plate solar heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032769636U CN2637989Y (en) | 2003-07-17 | 2003-07-17 | Negative pressure evaporative plate solar heat collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2637989Y true CN2637989Y (en) | 2004-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032769636U Expired - Fee Related CN2637989Y (en) | 2003-07-17 | 2003-07-17 | Negative pressure evaporative plate solar heat collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN2637989Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338479A (en) * | 2010-07-27 | 2012-02-01 | 深圳蓝景太阳能有限公司 | Negative-pressure type flat-plate solar collector |
| CN103011319A (en) * | 2008-04-24 | 2013-04-03 | 第一绿色园林私人公司 | Solar stills |
| CN104613451A (en) * | 2013-11-05 | 2015-05-13 | 余华阳 | Solar energy and fuel combined type steam boiler |
| CN104728818A (en) * | 2013-12-22 | 2015-06-24 | 余华阳 | Solar electric steam boiler |
-
2003
- 2003-07-17 CN CNU032769636U patent/CN2637989Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011319A (en) * | 2008-04-24 | 2013-04-03 | 第一绿色园林私人公司 | Solar stills |
| CN103011319B (en) * | 2008-04-24 | 2014-11-05 | 第一绿色园林私人公司 | Solar stills |
| CN102338479A (en) * | 2010-07-27 | 2012-02-01 | 深圳蓝景太阳能有限公司 | Negative-pressure type flat-plate solar collector |
| CN104613451A (en) * | 2013-11-05 | 2015-05-13 | 余华阳 | Solar energy and fuel combined type steam boiler |
| CN104728818A (en) * | 2013-12-22 | 2015-06-24 | 余华阳 | Solar electric steam boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |