CN201600236U - High-temperature baking test device for all-glass evacuated solar collector tubes - Google Patents
High-temperature baking test device for all-glass evacuated solar collector tubes Download PDFInfo
- Publication number
- CN201600236U CN201600236U CN200920272928XU CN200920272928U CN201600236U CN 201600236 U CN201600236 U CN 201600236U CN 200920272928X U CN200920272928X U CN 200920272928XU CN 200920272928 U CN200920272928 U CN 200920272928U CN 201600236 U CN201600236 U CN 201600236U
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- collecting tube
- pipe
- solar collector
- tube
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Abstract
The utility model discloses a high-temperature baking test device for all-glass evacuated solar collector tubes. The test device comprises a solar collector inner tube and a solar collector outer tube, a heat insulating cap is arranged at the mouth of the solar collector outer tube, an aluminum tube is arranged in the solar collector inner tube, one end of the aluminum tube is inserted to the bottom of the solar collector inner tube while the other end extends to the mouth of the solar collector inner tube, a heating rod is arranged in the aluminum tube, one end of the heating rod is inserted to the bottom of the aluminum tube while the other end extends to the mouth of the solar collector inner tube, the heating rod is connected with a digital power meter via a conducting wire, the digital power meter is connected with a computer and a solid-state relay respectively, the aluminum tube is provided with a high-precision temperature measurement element, the high-precision temperature measurement element clings to the inner wall of the solar collector inner tube and is connected with a temperature controller via a conducting wire, and the temperature controller is connected with the computer and the solid-state relay respectively. The solar collector tube is uniform in heating and high in temperature measurement precision, and can analyze changes of heat loss along with heating time, thereby analyzing and judging vacuum performances and service lives of all-glass evacuated solar collector tubes.
Description
Technical field
The utility model belongs to the solar energy heat collection pipe technical field, is specifically related to a kind of complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation.
Background technology
Introduced a kind of thermal-collecting tube high-temperature baking device producing method among the GB GB/T 17049-2005 " complete glass vacuum sun thermal-collecting tube ", place the electrically heated rod that length is not less than thermal-collecting tube length 90% in the vacuum solar collector tubes, put into thermal-collecting tube behind the heating rod overcoat aluminium wing, aluminium wing two bag asbestos cloth directly contacts with thermal-collecting tube to avoid the aluminium wing, the thermal-arrest mouth of pipe is done insulation with glass fibre, K type thermopair is placed the thermal-collecting tube middle part, and be close to glass wall.
The instrument that does not also have the thermal-collecting tube high-temperature baking in the market.According to this method, the aluminium wing can not contact fully with collector tube inner wall, and it is inhomogeneous to cause thermal-collecting tube to be heated.K type thermocouple measuring temperature precision is lower.Do not have heating-up temperature and heating power data acquisition system (DAS), can't analytic set heat pipe heat waste with the situation of change of heat time heating time.
Summary of the invention
The utility model is in order to solve the deficiencies in the prior art, provides that a kind of thermal-collecting tube is heated evenly, the temperature measurement accuracy height, and can analytic set heat pipe heat waste with the complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation of the situation of change of heat time heating time.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation, comprise pipe and thermal-collecting tube outer tube in the thermal-collecting tube, the described thermal-collecting tube outer tube mouth of pipe is provided with hot top, be provided with aluminum pipe in the pipe in the described thermal-collecting tube, described aluminum pipe one end inserts pipe bottom in the thermal-collecting tube, the other end extends to the pipe mouth of pipe in the thermal-collecting tube, be provided with heating rod in the described aluminum pipe, described heating rod one end inserts the aluminum pipe bottom, the other end extends to the pipe mouth of pipe in the thermal-collecting tube, described heating rod connects digital power meter by lead, described digital power meter connects computing machine and solid-state relay respectively, described aluminum pipe is provided with the high precision measuring temperature element, and described high precision measuring temperature element and thermal-collecting tube inner tube wall fit; Described high precision measuring temperature element connects temperature controller by lead, and described temperature controller connects described computing machine and described solid-state relay respectively.
Described hot top is made up of the shell and the inner alumina silicate heat-insulation layer of filling of corrosion resistant plate welding, and the opening diameter of described alumina silicate heat-insulation layer is identical with the external diameter of thermal-collecting tube outer tube openend.
The external diameter of described aluminum pipe is than the little 1-2mm of internal diameter of pipe in the thermal-collecting tube.
The internal diameter of described aluminum pipe is than the big 0.6-1.0mm of external diameter of heating rod.
Described aluminum pipe is provided with groove, and described platinum resistance is arranged in the groove.
Described high precision measuring temperature element is a platinum resistance.
Compared with prior art, the utility model can be tested many thermal-collecting tubes at every turn simultaneously, and test quantity is big, can satisfy the demand of bulge test; Temperature adopts PID control, and control accuracy can reach ± and 1 ℃; Aluminum pipe integral body is heated evenly, and has guaranteed being heated evenly property of thermal-collecting tube; Can dynamically recording thermal-collecting tube heat waste with the variation of heat time heating time, data acquisition system (DAS) is writing time, temperature and power data on computers, by analysis to data, determine the thermal-collecting tube heat waste with the variation relation of heat time heating time, thus the vacuum performance of analysis and judgement all-glass vacuum thermal-collecting tube and its serviceable life.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1. hot top; 2. heating rod; 3. platinum resistance; 4. aluminum pipe; 5. thermal-collecting tube outer tube; 6. manage in the thermal-collecting tube; 7. temperature controller; 8. solid-state relay; 9. digital power meter; 10. computing machine.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation, comprise pipe 6 and thermal-collecting tube outer tube 5 in the thermal-collecting tube, thermal-collecting tube outer tube 5 mouths of pipe are provided with hot top 1, be provided with aluminum pipe 4 in the pipe 6 in the thermal-collecting tube, aluminum pipe 4 one ends insert pipe 6 bottoms in the thermal-collecting tube, the other end extends to pipe 6 mouths of pipe in the thermal-collecting tube, be provided with heating rod 2 in the aluminum pipe 4, heating rod 2 one ends insert aluminum pipe 4 bottoms, the other end extends to pipe 6 mouths of pipe in the thermal-collecting tube, heating rod 2 connects digital power meter 9 by lead, digital power meter 9 connects computing machine 10 and solid-state relay 8 respectively, and aluminum pipe 4 is provided with the high precision measuring temperature element, the preferred platinum resistance 3 of high precision measuring temperature element, platinum resistance 3 places in the groove of aluminum pipe 4 outer walls, platinum resistance 3 and thermal-collecting tube inner tube wall are fitted tightly, and platinum resistance 3 connects temperature controller 7 by lead, and temperature controller 7 connects computing machine 10 and solid-state relay 8 respectively.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (6)
1. complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation, comprise pipe and thermal-collecting tube outer tube in the thermal-collecting tube, it is characterized in that, the described thermal-collecting tube outer tube mouth of pipe is provided with hot top, be provided with aluminum pipe in the pipe in the described thermal-collecting tube, described aluminum pipe one end inserts pipe bottom in the thermal-collecting tube, the other end extends to the pipe mouth of pipe in the thermal-collecting tube, be provided with heating rod in the described aluminum pipe, described heating rod one end inserts the aluminum pipe bottom, the other end extends to the pipe mouth of pipe in the thermal-collecting tube, described heating rod connects digital power meter by lead, described digital power meter connects computing machine and solid-state relay respectively, and described aluminum pipe is provided with the high precision measuring temperature element, and described high precision measuring temperature element and thermal-collecting tube inner tube wall fit; Described high precision measuring temperature element connects temperature controller by lead, and described temperature controller connects described computing machine and described solid-state relay respectively.
2. complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation according to claim 1, it is characterized in that, described hot top is made up of the shell and the inner alumina silicate heat-insulation layer of filling of corrosion resistant plate welding, and the opening diameter of described alumina silicate heat-insulation layer is identical with the external diameter of thermal-collecting tube outer tube openend.
3. complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation according to claim 2 is characterized in that, the external diameter of described aluminum pipe is than the little 1-2mm of internal diameter of pipe in the thermal-collecting tube.
4. according to each described complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation of claim 1 to 3, it is characterized in that the internal diameter of described aluminum pipe is than the big 0.6-1.0mm of external diameter of heating rod.
5. complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation according to claim 4 is characterized in that described high precision measuring temperature element is a platinum resistance.
6. complete glass vacuum sun thermal-collecting tube high-temperature baking proving installation according to claim 5 is characterized in that described aluminum pipe is provided with groove, and described platinum resistance is arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920272928XU CN201600236U (en) | 2009-11-27 | 2009-11-27 | High-temperature baking test device for all-glass evacuated solar collector tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920272928XU CN201600236U (en) | 2009-11-27 | 2009-11-27 | High-temperature baking test device for all-glass evacuated solar collector tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201600236U true CN201600236U (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920272928XU Expired - Fee Related CN201600236U (en) | 2009-11-27 | 2009-11-27 | High-temperature baking test device for all-glass evacuated solar collector tubes |
Country Status (1)
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| CN (1) | CN201600236U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494871A (en) * | 2011-12-08 | 2012-06-13 | 山东力诺新材料有限公司 | Method for testing ageing of vacuum high-temperature solar collector tube |
| CN102967625A (en) * | 2012-11-22 | 2013-03-13 | 山东力诺新材料有限公司 | Heat waste detection system and method for high temperature vacuum solar heat collection pipe heating through electrifying inner tube |
| CN103353465A (en) * | 2012-11-30 | 2013-10-16 | 上海裕达实业公司 | Testing device for isothermality of heat pipe |
| CN104267058A (en) * | 2014-10-14 | 2015-01-07 | 浙江省太阳能产品质量检验中心 | Testing device for all-glass evacuated solar collector tubes |
| CN105806883B (en) * | 2014-12-30 | 2018-11-20 | 北京有色金属研究总院 | A kind of heating in vacuum formula slot type high-temperature heat-collection pipe heat waste test macro and method |
-
2009
- 2009-11-27 CN CN200920272928XU patent/CN201600236U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494871A (en) * | 2011-12-08 | 2012-06-13 | 山东力诺新材料有限公司 | Method for testing ageing of vacuum high-temperature solar collector tube |
| CN102967625A (en) * | 2012-11-22 | 2013-03-13 | 山东力诺新材料有限公司 | Heat waste detection system and method for high temperature vacuum solar heat collection pipe heating through electrifying inner tube |
| CN103353465A (en) * | 2012-11-30 | 2013-10-16 | 上海裕达实业公司 | Testing device for isothermality of heat pipe |
| CN104267058A (en) * | 2014-10-14 | 2015-01-07 | 浙江省太阳能产品质量检验中心 | Testing device for all-glass evacuated solar collector tubes |
| CN105806883B (en) * | 2014-12-30 | 2018-11-20 | 北京有色金属研究总院 | A kind of heating in vacuum formula slot type high-temperature heat-collection pipe heat waste test macro and method |
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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: 20101006 Termination date: 20141127 |
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| EXPY | Termination of patent right or utility model |