CN205332596U - Solar energy tube - Google Patents
Solar energy tube Download PDFInfo
- Publication number
- CN205332596U CN205332596U CN201520996158.9U CN201520996158U CN205332596U CN 205332596 U CN205332596 U CN 205332596U CN 201520996158 U CN201520996158 U CN 201520996158U CN 205332596 U CN205332596 U CN 205332596U
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- vacuum cavity
- tube
- pipe
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- inner tube
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Abstract
The utility model discloses solar energy tube relates to the solar energy tube that can realize thermal -arrest and refrigeration function. Its purpose is in order to provide a simple structure, solar energy tube safe in utilization, with low costs. The utility model discloses solar energy tube includes the cover glass pipe of outside of tubes side including inner tube and the suit, and the inner tube top is provided with the condenser pipe, and the sealed ring seal mouth that forms of condenser pipe, inner tube and cover glass spigot end of pipe department forms outer vacuum cavity between the vacuum cavity in wherein forming, inner tube and cover glass pipe between condenser pipe and the inner tube, be fixed with the annular diaphragm of level setting on the interior vacuum cavity inner wall, the upper portion of vacuum cavity including annular diaphragm is fixed, the last choked flow pipe that installs of annular diaphragm, choked flow pipe's axis is parallel with the axis of inner tube, and interior vacuum cavity bottom is provided with working medium, and the coating of inner tube surface has selective absorbing coating, is provided with the support in the outer vacuum cavity, has placed the getter on the support.
Description
Technical field
This utility model relates to a kind of solar pipe, particularly relates to a kind of solar pipe being capable of thermal-arrest and refrigerating function。
Background technology
At present, complete glass vacuum sun thermal-collecting tube is mainly used in solar energy heating, and technology maturation is significantly high, is widely used in low-temperature solar energy heat utilization product aspect, forms the market scale of annual value of production nearly hundred billion。But adopt same solar pipe, make full use of solar energy, it is achieved the technology of thermal-arrest and refrigerating functions and product research are also little。
Publication number be CN1393668A Chinese utility model patent in propose a kind of solar pipe that can realize thermal-arrest and refrigeration, including absorption/heat collector and condensation/vaporization device, it is filled with adsorbent in absorption/heat collector, and in adsorbent, it is embedded with heat delivery line for carrying out heat exchange, arrive the purpose that cooling and heating carries out in same pipe。But there is same problem with common solar pipe in this kind of solar pipe: when cannot outwards heat exchange time, then constantly refluxing because of working medium and causing managing interior constant temperature raises and causes saturated vapour pressure excessive, it is easy to bombing。And its structure is excessively complicated, batch machining difficulty is big, compares with regular solar thermal-collecting tube, with high costs and cannot meet marketization demand。
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, uses safety, solar pipe that cost is low。
This utility model solar pipe, including interior pipe and be sleeved on the cover glass tube outside interior pipe, interior pipe is provided above condensing tube, condensing tube, the seam of interior pipe and cover glass tube seals and forms ring seal mouth, vacuum cavity in wherein being formed between condensing tube and interior pipe, outer vacuum cavity is formed between interior pipe and cover glass tube, interior vacuum cavity inwall is fixed with horizontally disposed toroidal membrane, described toroidal membrane is fixed on the top of interior vacuum cavity, toroidal membrane is provided with choke tube, the axis parallel of the axis of described choke tube and interior pipe, it is provided with working medium bottom interior vacuum cavity, inner tube outer surface is coated with coating for selective absorption, it is provided with support in outer vacuum cavity, support is placed with getter。
This utility model solar pipe, is provided with Heat Conduction Material inside wherein said interior pipe, described Heat Conduction Material selects heat-conducting glue, heat conductive pad or heat-conducting silicone grease。
This utility model solar pipe, is provided with CPC reflector in wherein said outer vacuum cavity。
The junction of this utility model solar pipe, wherein said toroidal membrane and interior vacuum cavity is positioned at above or below ring seal mouth, and the distance from ring seal mouth is not more than 400mm。
This utility model solar pipe, the range difference of wherein said choke tube upper and lower two ends distance toroidal membrane is not more than the 3/4 of choke tube length。
The volume ratio of this utility model solar pipe, the volume of wherein said working medium and interior vacuum cavity is 0.01～0.5:1。
This utility model solar pipe, wherein said working medium is mixed solution, such as lithium bromide-water mixed solution that mass ratio is 0.1:1.0～1.0:0.1, or is solidliquid mixture, such as the Zeolite-water mixture that mass ratio is 0.5:2～2:0.5。
This utility model solar pipe, wherein said coating for selective absorption adopts AL-N/AL coating or SS-ALN/cu coating。
This utility model solar pipe, the material of wherein said interior pipe and condensing tube is glass, such as high-boron-silicon glass, or metal material, such as copper or rustless steel。
This utility model solar pipe difference from prior art is in that this utility model solar pipe is by forming outer vacuum cavity between cover glass tube and interior pipe, by vacuum cavity in being formed between the condensing tube above interior pipe and interior pipe。The purpose that cooling and heating carries out in same pipe is realized by arranging toroidal membrane and choke tube in interior vacuum cavity。When shining upon in thermal-collecting tube on the coating for selective absorption of pipe, coating for selective absorption outside interior pipe converts solar energy into heat energy, and working medium is heated, aqueous vapor in working medium turns to steam, flow to condensing tube direction, entering condensing tube after choke tube, steam is met cold rear condensation in the condensing tube of solar pipe and is filled with water。Owing to toroidal membrane is horizontally disposed with and toroidal membrane surrounding and interior vacuum cavity inner wall sealing, the water of condensation will be stayed above toroidal membrane, can discharge substantial amounts of condensation heat during steam condensation simultaneously。This utility model solar pipe is in heat supplying process, water contained in working medium constantly evaporates, steam is constantly condensing above at toroidal membrane and stays above toroidal membrane, until water whole in working medium is all condensate in above toroidal membrane, the heat pipe style of work complete failure of solar pipe, in in this process, the constant temperature in pipe raises that not result in overpressure excessive and cause thermal-collecting tube damaged, fool proof during use。And existing conventional solar energy heat collection pipe, when cannot outwards heat exchange time, then constantly reflux because of working medium and cause that managing the rising of interior constant temperature causes saturated vapour pressure excessive, and being susceptible to bombing。Do not have the solar time when night, interior pipe is relatively low because of thermal capacitance, and to empty radiation heat loss is relatively big, temperature reduces。Now, the low characteristic then embodying cryogenic absorption steam containing device of working medium in interior pipe, make the steam vapour amount in pipe reduce, toroidal membrane and the condensed water retained above choke tube constantly evaporate, and are adsorbed containing device of working medium by low in interior pipe。Absorb substantial amounts of heat during the condensate evaporation retained in condensing tube, cause condensation segment temperature to reduce, it is achieved condensing tube refrigerating function。This utility model solar pipe have employed the simple designs of choke tube and toroidal membrane and achieves the purpose that cooling and heating carries out in same pipe, reduces production cost, also enhances the safety that solar pipe uses simultaneously。
Below in conjunction with accompanying drawing, solar pipe of the present utility model is described further。
Accompanying drawing explanation
Fig. 1 is the structural representation of solar pipe in this utility model embodiment 1；
Fig. 2 is the structural representation of solar pipe in this utility model embodiment 2；
Fig. 3 is the structural representation of solar pipe in this utility model embodiment 3。
Detailed description of the invention
As shown in Figure 1, this utility model solar pipe includes interior pipe 6 and is sleeved on the cover glass tube 7 outside interior pipe 6, interior pipe 6 is provided above condensing tube 3, the seam sealing by fusing of condensing tube 3, interior pipe 6 and cover glass tube 7 forms ring seal mouth, wherein interior pipe 6 and condensing tube 3 can be selected for glass, such as high-boron-silicon glass, or metal material, such as copper or rustless steel。Vacuum cavity 1 in being formed between condensing tube 3 and interior pipe 6, in interior vacuum cavity 1, pressure is less than 5.0x10-3Pa, forms outer vacuum cavity 2 between interior pipe 6 and cover glass tube 7。Interior vacuum cavity 1 inwall adopt sealing by fusing, bonding or mechanical connection manner are fixed with horizontally disposed toroidal membrane 5。Toroidal membrane 5 is fixed on the top of interior vacuum cavity 1, and the junction of toroidal membrane 5 and interior vacuum cavity 1 is positioned at above or below ring seal mouth, and the distance from ring seal mouth is not more than 400mm, it is simple to install。Being provided with the choke tube 4 that vertical direction is placed on toroidal membrane 5, the axis of choke tube 4 overlaps or parallel with the axis of interior pipe 6。The range difference of choke tube about 4 two ends distance toroidal membrane 5 is not more than the 3/4 of choke tube 4 length, the excessive easy stability affecting choke tube 4 installation of range difference, and then affects resistance flowing effect。The interior selective absorber coatings (not shown) of pipe 6 outer surface, coating for selective absorption selects AL-N/AL coating or SS-ALN/cu coating。Working medium 8 it is provided with, lithium bromide-water mixed solution that working medium 8 selects mass ratio to be 0.1:1.0～1.0:0.1, it is possible to select solidliquid mixture, such as the Zeolite-water mixture that mass ratio is 0.5:2～2:0.5 bottom interior pipe 6。The volume ratio of the volume of working medium 8 and interior vacuum cavity 1 is 0.01～0.5:1。Being provided with support 9 in outer vacuum cavity 2, support 9 is used for keeping interior pipe 6 to be in vertical direction all the time, and support 9 is also placed with getter 10。After equipment uses a period of time, the vacuum in outer vacuum cavity 2 will decline, and getter 10 can routinely adsorb the gas in outer vacuum cavity 2, it is ensured that the vacuum in outer vacuum cavity 2 is constant。
This utility model solar pipe thermal-arrest and cooling work method thereof are as follows: when on the coating for selective absorption shining upon interior pipe 6, coating for selective absorption converts solar energy into heat energy, and the working medium 8 in interior pipe 6 is heated, aqueous vapor in working medium 8 turns to steam, flow to condensing tube 3 direction, enter condensing tube 3 through choke tube 4, after running into the condensation segment of low temperature, be condensed into water, be deposited in the space above toroidal membrane 5。Release substantial amounts of condensation heat, it is achieved the heat collection function of solar pipe simultaneously。In time not having solar energy night, interior pipe 6 is relatively low because of thermal capacitance, and to empty radiation heat loss is relatively big, temperature reduces。At this moment, low containing device of working medium 8 in interior pipe 6, then embody the characteristic of the absorption steam of low temperature, make the steam vapour amount in pipe reduce, the condensed water retained above toroidal membrane 5 constantly evaporates, and is adsorbed containing device of working medium 8 by low in interior pipe 6。Absorb substantial amounts of heat during the condensate evaporation retained in condensing tube 3, cause temperature in condensing tube 3 to reduce, it is achieved condensing tube 3 refrigerating function。
The processing method of this utility model solar pipe, comprises the following steps:
1) toroidal membrane 5 and choke tube 4 are fixed together, and the plate face of toroidal membrane 5 is vertical with the axis of choke tube 4, and be carried out；
2), after being cleaned by interior pipe 6, outside interior pipe 6, a layer-selective absorber coatings is plated；
3) toroidal membrane 5 assembled and choke tube 4 are fixed on the inwall of interior pipe 6 or condensing tube 3, and toroidal membrane 5 horizontal positioned；
4) cover glass tube 7 is sleeved on outside interior pipe 6, and between cover glass tube 7 and interior pipe 6, places support 9 and getter 10, then by the seam sealing by fusing of cover glass tube 7, interior pipe 6 and condensing tube 3, form ring seal mouth；
5) by lower production well reserved bottom cover glass tube 7, the gas between cover glass tube 7 and interior pipe 6 is emptied, empty rear enclosed lower production well nonevaporable getter agent 10；
6) by the upper venthole that condensing tube 3 top is reserved, gas between condensing tube 3 and interior pipe 6 is emptied, and in the inside pipe 6 of choke tube 4, inject working medium 8 by upper venthole, finally close upper venthole。
Embodiment 2, as in figure 2 it is shown, the present embodiment difference from Example 1 is in that: be provided with Heat Conduction Material 11 inside interior pipe 6, Heat Conduction Material selects heat-conducting glue, heat conductive pad or heat-conducting silicone grease。
Embodiment 3, as it is shown on figure 3, the present embodiment difference from Example 1 is in that: be provided with CPC reflector 12 in outer vacuum cavity 2。
Embodiment described above is only that preferred implementation of the present utility model is described; not scope of the present utility model is defined; under the premise designing spirit without departing from this utility model; various deformation that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that this utility model claims are determined。
Claims (8)
1. a solar pipe, it is characterized in that: include interior pipe and be sleeved on the cover glass tube outside interior pipe, interior pipe is provided above condensing tube, condensing tube, the seam of interior pipe and cover glass tube seals and forms ring seal mouth, vacuum cavity in wherein being formed between condensing tube and interior pipe, outer vacuum cavity is formed between interior pipe and cover glass tube, interior vacuum cavity inwall is fixed with horizontally disposed toroidal membrane, described toroidal membrane is fixed on the top of interior vacuum cavity, toroidal membrane is provided with choke tube, the axis parallel of the axis of described choke tube and interior pipe, it is provided with working medium bottom interior vacuum cavity, inner tube outer surface is coated with coating for selective absorption, it is provided with support in outer vacuum cavity, support is placed with getter。
2. solar pipe according to claim 1, it is characterised in that: it is provided with Heat Conduction Material inside said inner tube。
3. solar pipe according to claim 1, it is characterised in that: it is provided with CPC reflector in described outer vacuum cavity。
4. solar pipe according to claim 1, it is characterised in that: the junction of described toroidal membrane and interior vacuum cavity is positioned at above or below ring seal mouth, and the distance from ring seal mouth is not more than 400mm。
5. solar pipe according to claim 1, it is characterised in that: the range difference of described choke tube upper and lower two ends distance toroidal membrane is not more than the 3/4 of choke tube length。
6. solar pipe according to claim 1, it is characterised in that: the volume ratio of the volume of described working medium and interior vacuum cavity is 0.01～0.5:1。
7. solar pipe according to claim 1, it is characterised in that: described coating for selective absorption adopts AL-N/AL coating or SS-ALN/cu coating。
8. solar pipe according to claim 1, it is characterised in that: the material of said inner tube and condensing tube is glass or metal material。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520996158.9U CN205332596U (en) | 2015-12-03 | 2015-12-03 | Solar energy tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520996158.9U CN205332596U (en) | 2015-12-03 | 2015-12-03 | Solar energy tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205332596U true CN205332596U (en) | 2016-06-22 |
Family
ID=56211146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520996158.9U Withdrawn - After Issue CN205332596U (en) | 2015-12-03 | 2015-12-03 | Solar energy tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205332596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352221A (en) * | 2015-12-03 | 2016-02-24 | 北京越洋高科节能技术有限公司 | Solar tube and machining method thereof |
-
2015
- 2015-12-03 CN CN201520996158.9U patent/CN205332596U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352221A (en) * | 2015-12-03 | 2016-02-24 | 北京越洋高科节能技术有限公司 | Solar tube and machining method thereof |
| CN105352221B (en) * | 2015-12-03 | 2019-03-22 | 北京越洋高科节能技术有限公司 | Solar pipe and its processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20190322 |