CN202818170U - Two-way photovoltaic thermal vacuum tube - Google Patents
Two-way photovoltaic thermal vacuum tube Download PDFInfo
- Publication number
- CN202818170U CN202818170U CN2012202722117U CN201220272211U CN202818170U CN 202818170 U CN202818170 U CN 202818170U CN 2012202722117 U CN2012202722117 U CN 2012202722117U CN 201220272211 U CN201220272211 U CN 201220272211U CN 202818170 U CN202818170 U CN 202818170U
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- heat
- tube
- vacuum tube
- bilateral
- accumulating pipe
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Abstract
The utility model provides a two-way photovoltaic thermal vacuum tube. The two-way photovoltaic thermal vacuum tube comprises a vacuum protection layer with a built-in heat collection tube; a heat absorbing tube clamped in the heat collection tube, wherein a thermal electric material for generating power by using the temperature difference of the heat collection tube and the heat absorbing tube is arranged between the heat collection tube and the heat absorbing tube. The two-way photovoltaic thermal vacuum tube can generate power and simultaneously collect the heat to supply the domestic hot water. The two-way photovoltaic thermal vacuum tube operates in a distributed type or concentrated type, and has features of simple structure and low cost. Because of high temperature working and low temperature operation, the breakage rate of one year is greatly reduced, and furthermore the operation cost and energy source are saved to some extent.
Description
Technical field
The utility model relates to a kind of vacuum tube, relates in particular to a kind of bilateral heat volt vacuum tube; Belong to high temperature power field among the solar energy CSP.
Background technology
Solar energy is widely clear energy sources of a kind of application prospect, has obtained increasing attention and development and use as the solar energy of clean energy resource.Whole world CSP installed capacity is near 1GW, building and planned project will reach 15GW.After the seventies oil crisis, CSP once by the west as Research Emphasis, 1985-1991 California, USA Mojave sets up in the desert slot type power station of 9 commercial operations, total installation of generating capacity 353.8MW, but make slow progress afterwards.The end of the year 08, the CSP only 436MW that installs in the whole world.After the financial crisis in 08 year, Spain has established the pressure rate for incorporation into the power network that reaches 25 years, and the U.S. particularly California new forms of energy policy obviously turns to photo-thermal, and the CSP industry is heavily intimately got up again.The accumulative total installation will just increase to 817MW in the end of the year 2009, and its Middle and North America accounts for 62.3%, and the U.S. and Spain account for 98%.Nowadays thermo-power station spreads all over the countries such as the U.S., Spain, Germany, France, the United Arab Emirates, India, Egypt, Morocco, Algeria, Australia.According to IEA statistics, global CSP installation amount is near 1GW at the beginning of 2010; Building and planning that engineering is expected to reach 15GW.By in August, 2010, the CSP capacity that has put into operation in the whole world is 891.65MW, wherein, and slot type accounting 94.57%, tower taking second place; According to incompletely statistics, the about 1.9GW of CSP installed capacity that puts into operation before and after 2012 in the expectation of building at present.
At present, solar heat power generation system is comprised of following four parts: light and heat collection subsystem, accumulation of heat subsystem, supplementary energy subsystem and steamer power generation sub-system; Whole electricity generation system relatively complexity and cost is higher, from present more popular forms of electricity generation slot type electricity generation system, the generating scale is difficult to miniaturization and can only can not does distributed as centralized generating, and the thermal-collecting tube long-term work is under hot conditions, thermal-collecting tube year, breakage rate was higher, virtually increased its operating cost.
The utility model content
The utility model purpose is to provide a kind of relative motion cost lower and entire system is simple in structure for the defective that prior art exists, and operational mode is hot operation, cold operation, breakage rate is relatively low, and the sealing-in mode is sealing by fusing or the press seal heat volt vacuum tube for the high temperature generating with low cost.
The utility model adopts following technical scheme for achieving the above object: a kind of bilateral heat volt vacuum tube comprises the vacuum protection layer that is built-in with heat accumulating pipe; Described heat accumulating pipe inner clip is equipped with endothermic tube, is provided with the thermoelectric material that utilizes described heat accumulating pipe and endothermic tube thermo-electric generation between described heat accumulating pipe and the described endothermic tube.
Described endothermic tube is connected with the thermoelectric material cold junction by ceramic copper-clad plate DBC, and described thermoelectric material hot junction is connected with described heat accumulating pipe by conducting strip, the insulating heat-conductive sheet that is provided with successively.
Preferably, described heat accumulating pipe adopts aluminium or copper or copper alloy or aluminium alloy or stainless steel or glass tube, and described heat accumulating pipe outer surface has been coated with the heat absorption rete.
Preferably, adopt the described endothermic tube two ends of metal tube to adopt sealing by fusing or hot pressing envelope to be connected with the vacuum protection layer.
Preferably, the endothermic tube in described vacuum protection layer is provided with bellows.
Preferably, described ceramic copper-clad plate DBC is formed by copper sheet, pottery, the welding of copper sheet composite plate.
Preferably, described thermoelectric material comprises P-type material and n type material, utilizes the temperature difference to produce electromotive force at cold and hot two ends.
Preferably, described conducting strip adopts copper or aluminium or low-resistance metal material.
Preferably, described insulating heat-conductive sheet adopts the insulation vacuum material of aluminium oxide ceramics or high thermal conductivity coefficient.
Preferably, described electrode adopts glass electrode or ceramic electrode.
The beneficial effects of the utility model: the upper high temperature photo-thermal power generation in present domestic and international market, mainly contain the generation modes such as slot type, tower, dish formula, relative cost is all higher and entire system is complicated, at present more popular its generating scale of forms of electricity generation slot type electricity generation system is difficult to miniaturization, can only can not do distributed as centralized generating, and the thermal-collecting tube long-term work is under hot conditions, thermal-collecting tube year breakage rate higher, virtually increased its operating cost.It is a kind of for generating that the utility model provides, heat volt vacuum tube that simultaneously can thermal-arrest supply domestic hot-water.It can distributed or centralized operation, and it is simple in structure, cost is lower, because of the characteristics of its hot operation cold operation, has determined that its year breakage rate reduces greatly, has saved operating cost and the energy to a certain extent.
Description of drawings
Fig. 1 is the front view of a kind of execution mode structural representation of the utility model bilateral heat volt vacuum tube;
Fig. 2 is the main pseudosection of the utility model Fig. 1;
Fig. 3 is the left pseudosection of the utility model Fig. 1;
Fig. 4 is the partial enlarged drawing of the K part of the utility model Fig. 2;
Among the figure, 1, the vacuum protection layer; 2, heat accumulating pipe; 3, endothermic tube; 4, ceramic copper-clad plate DBC; 5, thermoelectric material; 6, conducting strip; 7, insulating heat-conductive sheet; 8, electrode; 9, bellows.
Embodiment
Fig. 1 for a kind of interior condensing thermal volt vacuum tube, comprises the vacuum protection layer 1 that adopts light transmissive material to shown in Figure 4, and vacuum protection layer 1 is built-in with the heat accumulating pipe 2 that outer surface is coated with selective heat absorption rete, and described heat accumulating pipe 2 inner clips are equipped with endothermic tube 3.Described endothermic tube 3 outer walls are connected with described thermoelectric material 6 cold junctions by ceramic copper-clad plate DBC4, and described thermoelectric material 5 hot junctions are connected with conducting strip 6, and described conducting strip 6 is by insulating heat-conductive sheet 7 and heat accumulating pipe 2 crimping.Heat accumulating pipe 2 can adopt aluminium or copper or copper alloy or aluminium alloy or stainless steel or glass tube, and described heat accumulating pipe 2 outer surfaces have been coated with the heat absorption rete.
During work, heat accumulating pipe 2 absorbs and converges sunlight intensification and the endothermic tube 3 generation temperature difference, and the ceramic copper-clad plate DBC 4 that the conducting strip 6 that the insulating heat-conductive sheet 7 that the insulation vacuum material that the heat absorption rete that heat accumulating pipe 2 is coated with by outer surface absorbs heat and process adopts aluminium oxide ceramics or high thermal conductivity coefficient is successively made, employing copper or aluminium or low-resistance metal material are made, thermoelectric material 5 and employing copper sheet, aluminium oxide ceramics and the welding of copper sheet composite plate form reaches endothermic tube 3.Endothermic tube 3 heat absorptions provide the domestic hot-water for the user, and heat produces the temperature difference in thermoelectric material 5 cool and heat ends in transmittance process.Thermoelectric material comprises P-type material 5-1 and n type material 5-2, utilizes the temperature difference to produce electromotive force at cold and hot two ends, and thermoelectric material 5 is generated electricity in diabatic process.
Wherein, adopt the described endothermic tube two ends of metal tube to adopt sealing by fusing or hot pressing envelope to be connected with the vacuum protection layer.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. a bilateral heat volt vacuum tube comprises the vacuum protection layer (1) that is built-in with heat accumulating pipe (2); It is characterized in that described heat accumulating pipe (2) inner clip is equipped with endothermic tube (3), be provided with the thermoelectric material (5) that utilizes described heat accumulating pipe (2) and endothermic tube (3) thermo-electric generation between described heat accumulating pipe (2) and the described endothermic tube (3).
2. a kind of bilateral heat according to claim 1 lies prostrate vacuum tube, it is characterized in that, described endothermic tube (3) is by ceramic copper-clad plate DBC(4) be connected with thermoelectric material (5) cold junction, described thermoelectric material (5) hot junction is connected with described heat accumulating pipe (2) by conducting strip (6), the insulating heat-conductive sheet (7) that is provided with successively.
3. a kind of bilateral heat volt vacuum tube according to claim 1 and 2 is characterized in that described heat accumulating pipe (2) adopts aluminium or copper or copper alloy or aluminium alloy or stainless steel or glass tube, and described heat accumulating pipe (2) outer surface has been coated with the heat absorption rete.
4. a kind of bilateral heat volt vacuum tube according to claim 1 and 2 is characterized in that, adopts described endothermic tube (3) two ends of metal tube to adopt sealing by fusing or hot pressing envelope to be connected with vacuum protection layer (1).
5. a kind of bilateral heat volt vacuum tube according to claim 4 is characterized in that the endothermic tube (3) in described vacuum protection layer (1) is provided with bellows (9).
6. a kind of bilateral heat volt vacuum tube according to claim 2 is characterized in that described ceramic copper-clad plate DBC(4) formed by copper sheet, pottery, the welding of copper sheet composite plate.
7. a kind of bilateral heat volt vacuum tube according to claim 1 and 2 is characterized in that described thermoelectric material (5) comprises P-type material (5-1) and n type material (5-2), utilizes the temperature difference to produce electromotive force at its cold and hot two ends.
8. a kind of bilateral heat volt vacuum tube according to claim 2 is characterized in that described conducting strip (6) adopts low-resistance metal material.
9. a kind of bilateral heat volt vacuum tube according to claim 2 is characterized in that described insulating heat-conductive sheet (7) adopts the insulation vacuum material of aluminium oxide ceramics or high thermal conductivity coefficient.
10. a kind of bilateral heat volt vacuum tube according to claim 2 is characterized in that described electrode (8) adopts glass electrode or ceramic electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202722117U CN202818170U (en) | 2012-06-08 | 2012-06-08 | Two-way photovoltaic thermal vacuum tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202722117U CN202818170U (en) | 2012-06-08 | 2012-06-08 | Two-way photovoltaic thermal vacuum tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202818170U true CN202818170U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202722117U Expired - Fee Related CN202818170U (en) | 2012-06-08 | 2012-06-08 | Two-way photovoltaic thermal vacuum tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN202818170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721202A (en) * | 2012-06-08 | 2012-10-10 | 无锡旭能光热电能源有限公司 | Bi-pass thermovoltaic vacuum tube |
-
2012
- 2012-06-08 CN CN2012202722117U patent/CN202818170U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721202A (en) * | 2012-06-08 | 2012-10-10 | 无锡旭能光热电能源有限公司 | Bi-pass thermovoltaic vacuum tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150608 |
|
| EXPY | Termination of patent right or utility model |