CN201429509Y - Solar thermal collector test system - Google Patents
Solar thermal collector test system Download PDFInfo
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- CN201429509Y CN201429509Y CN2009200270664U CN200920027066U CN201429509Y CN 201429509 Y CN201429509 Y CN 201429509Y CN 2009200270664 U CN2009200270664 U CN 2009200270664U CN 200920027066 U CN200920027066 U CN 200920027066U CN 201429509 Y CN201429509 Y CN 201429509Y
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- thermal collector
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Abstract
The utility model discloses a solar thermal collector test system. The utility model adopts a closed circulation system to solve the problem that the test temperature of the prior test system is low,and moreover, since the utility model adopts multi-directional data acquisition and control, test parameters can be easily controlled and acquired.
Description
(1) technical field
The utility model relates to a kind of solar thermal collector test macro, belong to a kind of solar thermal collector solar collecting performance detection technique field, said solar thermal collector test macro comprises the data acquisition system (DAS) that is used for the circulatory mediator round-robin circulation system and is used to detect the circulatory mediator parameter.
(2) background technology
The national standard of China's solar thermal collector was in issuing and implementation in 1998, and the detection of solar thermal collector is successively just really carried out after Wuhan and the establishment of Beijing National solar water heater quality supervision and test center along with 2003～2005 comprehensively, but testing level still has certain distance apart from the high-caliber testing agency in the world such as Switzerland SPF, German ITW.
The present situation that China's sun power detects is: though owing to start late, the starting point of China's sun power detection level is higher, and is subjected to the support energetically of international funds, technology, and detectability has covered the main field of present solar thermal utilization substantially.Yet solar water heater advanced person's detection method is just carried out in China, can not satisfy the demand of test marketing; Inspection center's tachnical storage a little less than, lack each level technician of a large amount of process professional technique trainings, need the training of personnel energetically; Substantially also it is professional not carry out comparison between International Laboratory, and the comparison between domestic laboratory is also less, and the testing level between domestic laboratory is uneven, needs further to improve; Detect with solar water heater such as European Union and to carry out international preferably moment of cooperation seldom, the mechanism of exchanging visit and channel be yet foundation.
In the heat collector context of detection, all by the open system design, in order to obtain the circulatory mediator of regime flow, its circulation line is provided with constant pressure water tank to the heat collector detection system of two national sun power inspection centers, the structure more complicated.And because the solar thermal collector test macro is circulatory mediator with water, depress at a normal atmosphere, the boiling point of water is 100 ℃, has also just determined the device probe temperature to be up to 100 ℃.Beijing inspection center was undergoing technological transformation to system afterwards, make test macro that certain bearing capacity arranged, but open system self can't pressure-bearing characteristics, make its highest probe temperature can only reach 105 ℃, obviously be difficult to satisfy the fast development of present heat collector research, particularly the development of the medium-temperature collectors of progressively using to industrial circle.
Though at present China is subjected to the support of international funds and technology at the sun power detection range, core technology is still grasped by developed country, and is in non-free class state, and the principle of its detection system and concrete structure still can't be known at present.Just at present, the concrete technical scheme of the existing solar thermal collector test macro of China is not open yet, just partly discloses its principle.
(3) summary of the invention
Therefore, the purpose of this utility model is to provide a kind of solar thermal collector test macro of bearing operation, with the power of test of acquisition heat collector to middle high temperature section, and is easy to control and obtains test parameter.
The utility model solar thermal collector test macro is by the following technical solutions:
A kind of solar thermal collector test macro of this utility model, it comprises the circulation system and data acquisition system (DAS), and the control system that is complementary, the described circulation system comprises by heat interchanger interconnected heating circulation system and cooling cycle system, wherein heating circulation system and heat collector to be tested constitute closed circulation system, on its circulation line, be provided with heating arrangement, systemic circulation pump, flowmeter and tensimeter, and be provided with the temperature sensor that is used to gather water temperature at the liquid inlet and outlet of exchanger heat end liquid outlet, heating arrangement liquid outlet and heat collector at least; Described cooling cycle system comprises the electric T-shaped valve that is provided with on water thereon or the water return pipeline, and its another interface is connected on the relative duct size; Described data acquisition system (DAS) is used to gather the temperature data of said temperature sensor, and the surrounding environment parameter; Described control system is mainly used in the state of the described heating arrangement of control and the aperture of described electric T-shaped valve, to obtain stable solar thermal collector feed liquor temperature.
The test of high-temp solar heat collector in being mainly used in according to the technical solution of the utility model certainly, also can be used for the test of low-temperature space solar thermal collector, wherein in the probe temperature of high-temp solar heat collector can reach 120 ℃.Because the related heating circulation system of this programme is closed system, have bearing capacity, and according to measuring and calculating, the highlyest under its bearing capacity can carry out the test of 130 ℃ of solar thermal collectors, thereby, opened up domestic new space in this field.In order to obtain stable heat collector feed tube feed liquor temperature, this programme adopts heating circulation system and cooling cycle system to pass through the mode of heat interchanger temperature adjustment, the adjustment with control system of obtaining by temperature parameter, form closed-loop control, its departure is at ± 0.1 ℃, the control accuracy height, and then, make the test structure of solar thermal collector of test more representative.
Above-mentioned solar thermal collector test macro, it further comprises and is connected in described data acquisition system (DAS) being used to gather the pyranometer of solar radiation data, and the scattered radiation table.
On described heating circulation system pipeline, be provided with buffer tank.
Described heating circulation system pipeline is provided with expansion tank.
Described heating circulation system pipeline is provided with liquid-filling valve, vent valve and unloader.
Described cooling cycle system comprises cold water storage cistern and refrigeration machine that this cold water storage cistern medium is freezed and the refrigeration cycle pump that power is provided for the refrigeration major cycle.
It further comprises the automatic tracking solar frame that is used to carry heat collector to be tested, and being provided with the sensor of following the tracks of the sun at this automatic tracking solar frame upper surface, control system is by the information of obtaining this sensor and then the turntable operation of controlling automatic tracking solar frame.
(4) description of drawings
Below in conjunction with Figure of description the technical solution of the utility model is further elaborated, makes those skilled in the art better understand the utility model, wherein:
Fig. 1 is the structural representation of the utility model solar thermal collector test macro embodiment.
Fig. 2 is the structural representation of solar energy automatic tracking frame.
Among the figure: 1, feed tube, 2, the heat collector inlet temperature sensor, 3, heat collector, 4, anemoscope, 5, environment temperature sensor, 6, pyranometer, 7, the scattered radiation table, 8, the heat collector outlet temperature sensor, 9, go out flow container, 10, liquid-filling valve, 11, data acquisition system (DAS), 12, cold water storage cistern, 13, refrigeration machine, 14, the refrigeration cycle pump, 15, electric T-shaped valve, 16, heat interchanger, 17, the heat exchange temperature sensor, 18, the systemic circulation pump, 19, heating arrangement, 20, control system, 21, the heating-up temperature sensor, 22, buffer tank, 23, flowmeter, 24, expansion tank, 25, vent valve, 26, tensimeter, 27, follow the tracks of sun-sensor, 28, support, 29, turntable, 30, from the motion tracking solar frame.
(5) embodiment
Below the technical solution of the utility model is made exemplary illustration:
With reference to Figure of description 1 and 2, solar thermal collector test macro according to technical solutions of the utility model, it comprises the circulation system and data acquisition system (DAS) 11, and the control system 20 that is complementary, it is characterized in that: the described circulation system comprises by heat interchanger 17 interconnected heating circulation system and cooling cycle system, wherein heating circulation system and heat collector to be tested 3 constitute closed circulation system, on its circulation line, be provided with heating arrangement 19, systemic circulation pump 18, flowmeter 23 and tensimeter 26, and at least at exchanger heat end liquid outlet, advancing of heating arrangement liquid outlet and heat collector, liquid outlet is provided with the temperature sensor that is used to gather water temperature; Described cooling cycle system comprises the electric T-shaped valve 15 that is provided with on water thereon or the water return pipeline, and its another interface is connected on the relative duct size; Described data acquisition system (DAS) is used to gather the temperature data of said temperature sensor, and the surrounding environment parameter; Described control system is mainly used in the state of the described heating arrangement of control and the aperture of described electric T-shaped valve, to obtain stable solar thermal collector feed liquor temperature.
For the detection of surrounding environment, mainly comprise the detection of wind speed, environment temperature, intensity of solar radiation.
Therefore, it further comprises and is connected in described data acquisition system (DAS) being used to gather the pyranometer 6 of solar radiation data, and scattered radiation table 7, to obtain the radiation intensity of sunshine, is used to calculate the collecting efficiency of heat collector.
Because of the systemic circulation pump work has fluctuation,, on described heating circulation system pipeline, be provided with buffer tank 22 in order to obtain more stable liquid stream.
In addition, in order to make the circulatory mediator pressure level-off, described heating circulation system pipeline is provided with expansion tank 24.
Described heating circulation system pipeline is provided with liquid-filling valve 10, vent valve 25 and unloader, and liquid-filling valve and vent valve are the annexes of closed circulation system indispensability certainly, to be used for getting rid of the gas of this system.Unloader then is used for the pressure off-load of system pressure when too high, such as along with the rising of collector efficiency probe temperature, the temperature of medium raises, and causes its expanded by heating, and system pressure increases, and in order to make system safety operation, needs unloader work.
Described cooling cycle system comprises cold water storage cistern 12 and refrigeration machine 13 that this cold water storage cistern medium is freezed and the refrigeration cycle pump 14 that power is provided for the refrigeration major cycle.Cold water storage cistern mainly is the energy storage capacity of raising system.In this programme, heating arrangement is positioned at the subordinate of heat interchanger, and refrigeration system is at first cooled off the water that heat collector heated.
In order to obtain stable solar radiation intensity, it further comprises the automatic tracking solar frame 30 that is used to carry heat collector to be tested, and being provided with the sensor 27 of following the tracks of the sun at this automatic tracking solar frame upper surface, control system is by the information of obtaining this sensor and then turntable 29 operations of controlling automatic tracking solar frame.Solar tracking system is comparative maturity at present, is applied in widely on solar cell windsurfing and the solar cell matrix.
In this programme, the method for the above-mentioned solar thermal collector test system and test of a kind of foundation thermal performance of collectors, it may further comprise the steps:
A),, prevent that the gas existence from influencing system pressure until gas emptying with this circulation system to the water of described heating circulation system filling after purification or high temperature heating;
B) start cooling cycle system and heating circulation system, control described electric T-shaped valve and adjust heat collector feed liquor temperature to design temperature, and adjustment heating circulation system rate-of flow is stabilized in the flow value of standard-required, electric T-shaped valve can be controlled the intervention amount of refrigeration system in the heat interchanger part easily, thereby controls said design temperature easily;
C) open data acquisition system (DAS) and carry out reference record, mainly comprise heat collector out temperature, flow, environment temperature, ambient wind velocity, solar irradiance, in order to the usefulness of analysis;
D) after reaching the test duration of standard-required, regulate the test that design temperature carries out next operating mode once more, all finish up to 4 operating modes of standard-required.
In order to obtain solar thermal collector performance parameter accurately, described heat collector feed liquor temperature error need be controlled at ± and 0.1 ℃.
Medium temperature after the heating of described heating circulation system is higher than 0.5 ℃ of medium temperature after the cooling cycle system refrigeration, and temperature range is little, is convenient to the Control Circulation medium temperature.
Claims (7)
1. solar thermal collector test macro, it comprises the circulation system and data acquisition system (DAS) (11), and the control system that is complementary (20), it is characterized in that: the described circulation system comprises by heat interchanger (17) interconnected heating circulation system and cooling cycle system, wherein heating circulation system and heat collector to be tested (3) constitute closed circulation system, on its circulation line, be provided with heating arrangement (19), systemic circulation pump (18), flowmeter (23) and tensimeter (26), and at least at exchanger heat end liquid outlet, advancing of heating arrangement liquid outlet and heat collector, liquid outlet is provided with the temperature sensor that is used to gather water temperature; Described cooling cycle system comprises the electric T-shaped valve (15) that is provided with on water thereon or the water return pipeline, and its another interface is connected on the relative duct size; Described data acquisition system (DAS) is used to gather the temperature data of said temperature sensor, and the surrounding environment parameter; Described control system is mainly used in the state of the described heating arrangement of control and the aperture of described electric T-shaped valve, to obtain stable solar thermal collector feed liquor temperature.
2. solar thermal collector test macro according to claim 1 is characterized in that: it further comprises and is connected in the pyranometer (6) of described data acquisition system (DAS) to be used to gather the solar radiation data, and scattered radiation table (7).
3. solar thermal collector test macro according to claim 1 is characterized in that: be provided with buffer tank (22) on described heating circulation system pipeline.
4. solar thermal collector test macro according to claim 3 is characterized in that: described heating circulation system pipeline is provided with expansion tank (24).
5. solar thermal collector test macro according to claim 4 is characterized in that: described heating circulation system pipeline is provided with liquid-filling valve (10), vent valve (25) and unloader.
6. solar thermal collector test macro according to claim 1 is characterized in that: described cooling cycle system comprises cold water storage cistern (12) and refrigeration machine (13) that this cold water storage cistern medium is freezed and the refrigeration cycle pump (14) that power is provided for the refrigeration major cycle.
7. according to the described solar thermal collector test macro of one of claim 1 to 6, it is characterized in that: it further comprises the automatic tracking solar frame (30) that is used to carry heat collector to be tested, and being provided with the sensor (27) of following the tracks of the sun at this automatic tracking solar frame upper surface, control system is by the information of obtaining this sensor and then turntable (29) operation of controlling automatic tracking solar frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200270664U CN201429509Y (en) | 2009-06-19 | 2009-06-19 | Solar thermal collector test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009200270664U CN201429509Y (en) | 2009-06-19 | 2009-06-19 | Solar thermal collector test system |
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| CN201429509Y true CN201429509Y (en) | 2010-03-24 |
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| CN2009200270664U Expired - Lifetime CN201429509Y (en) | 2009-06-19 | 2009-06-19 | Solar thermal collector test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587025B (en) * | 2009-06-19 | 2010-12-29 | 山东力诺瑞特新能源有限公司 | Test system and test method for solar heat collector |
| CN102589844A (en) * | 2012-02-06 | 2012-07-18 | 北京工业大学 | Thermal performance measurement system of solar thermal collector and method |
| CN107656302A (en) * | 2017-09-26 | 2018-02-02 | 河海大学常州校区 | A kind of groove type solar concentrating collector intensity of solar radiation measurement apparatus |
-
2009
- 2009-06-19 CN CN2009200270664U patent/CN201429509Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587025B (en) * | 2009-06-19 | 2010-12-29 | 山东力诺瑞特新能源有限公司 | Test system and test method for solar heat collector |
| CN102589844A (en) * | 2012-02-06 | 2012-07-18 | 北京工业大学 | Thermal performance measurement system of solar thermal collector and method |
| CN102589844B (en) * | 2012-02-06 | 2014-12-03 | 北京工业大学 | Thermal performance measurement system of solar thermal collector and method |
| CN107656302A (en) * | 2017-09-26 | 2018-02-02 | 河海大学常州校区 | A kind of groove type solar concentrating collector intensity of solar radiation measurement apparatus |
| CN107656302B (en) * | 2017-09-26 | 2019-12-03 | 河海大学常州校区 | A kind of groove type solar concentrating collector intensity of solar radiation measuring device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100324 Effective date of abandoning: 20090619 |