CN201508280U - Solar heat collector thermal performance detecting device - Google Patents
Solar heat collector thermal performance detecting device Download PDFInfo
- Publication number
- CN201508280U CN201508280U CN2009202035705U CN200920203570U CN201508280U CN 201508280 U CN201508280 U CN 201508280U CN 2009202035705 U CN2009202035705 U CN 2009202035705U CN 200920203570 U CN200920203570 U CN 200920203570U CN 201508280 U CN201508280 U CN 201508280U
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- China
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- heat collector
- solar heat
- detecting device
- electric heater
- thermal performance
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- Expired - Fee Related
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Abstract
A solar heat collector thermal performance detecting device comprises a refrigerator and a circulating pump which are connected through a pipeline. The solar heat collector thermal performance detecting device is characterized in that two or three electric heaters are arranged on a pipeline between the refrigerator and the inlet of the circulating pump, a temperature measuring element is respectively arranged in front of each electric heater, the signal output end of the temperature measuring element is connected with the input end of a PID regulator, and the relative output end of the PID regulator is respectively connected with the control end of a corresponding electric heater. The solar heat collector thermal performance detecting device has the advantages of omitting a water tank of a traditional open-circuit test device, lowering manufacture cost, and greatly reducing occupied area, the electric heater is controlled through the PID regulator according to the temperature measuring element, and the device has fast temperature ascending and descending speed, short test time, high work efficiency, lower water consumption, low detection cost and excellent system stability.
Description
Technical field
The utility model is particularly related to a kind of heat performance of solar heat collector pick-up unit.
Background technology
Solar thermal collector is the crucial photo-thermal converting member in the solar water heating system, and is most important to its thermal behavior index test, requires heat collector temperature in degree of stability to be ± 0.1 ℃ among the GB GB/T4271 for this reason.At present the heat collector thermal behavior is detected the static short/open circuit test sets that use more, it is to be connected with heat collector by pipeline and formed a circulation path by refrigeration machine, at least two water tanks, ebullators, the problem that this device exists is: 1, manufacturing cost is higher, equipment volume is huge, floor area is also big, the installation work complexity; 2, because the water tank volume is big, therefore need warm-up time long, the whole test cycle is also longer; 3, can cause water resource waste in the test process, increase the detection cost greatly.
Summary of the invention
The purpose of this utility model is to provide a kind of low cost of manufacture, floor area little, and heating and cooling are fast, the test duration is short, the heat performance of solar heat collector pick-up unit that water consumption is few, system stability is good.
The utility model is achieved in that it comprises refrigeration machine and ebullator, connect by pipeline therebetween, its special character is: be provided with two or three electric heaters on the pipeline between refrigeration machine and the pump entry, front at each electric heater is respectively equipped with temperature element, the signal output part of described temperature element is connected with the input end of PID regulator, and the corresponding output end of described PID regulator connects with corresponding electric heater control end respectively.
Above-mentioned heat performance of solar heat collector pick-up unit is provided with shunt valve in the refrigeration machine front, and described refrigeration machine is connected on the branch road of shunt valve.
The utility model has the advantages that: removed the water tank of traditional short/open circuit test set, reduced manufacturing cost, and reduced floor area greatly; Constitute temperature control circuit by temperature element, PID regulator and electric heater, make that this pick-up unit warming and cooling rate is fast, the test duration short, high efficiency; Water consumption is few, the detection cost is low, and system stability is good.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure: ebullator 1, pipeline 2, heat collector 3, shunt valve 4, refrigeration machine 5, temperature element 6, PID regulator 7, electric heater 8.
Embodiment
As shown in the figure, the utility model has a refrigeration machine 5 and ebullator 1, refrigeration machine 5 is connected by pipeline 2 with ebullator 1, on the pipeline 2 that connects between refrigeration machine 5 and the ebullator 1, be provided with two or three electric heaters 8 successively, present embodiment is an example with three electric heaters 8, on the pipeline 2 that is positioned at each electric heater 8 front, be respectively equipped with temperature element 6, the signal output part of temperature element 6 is connected with the input end of PID regulator 7, and three groups of control output ends of PID regulator 7 are connected with three electric heaters 8 respectively.This pick-up unit also is provided with shunt valve 4, and shunt valve 4 is told two branch roads, and described refrigeration machine 5 is installed in wherein on the branch road, the rear end parallel connection of two branch roads.
During work, water delivering orifice and the water inlet with heat collector 3 is connected to form a closed loop with refrigeration machine 5 and ebullator 1 by connecting line respectively earlier, with pipeline 2 system's fills with water, starts ebullator 1 and circulates.Require the temperature of heat collector 3 water inlets in 10 ℃～90 ℃ scopes, to set arbitrarily during test, and degree of stability is ± 0.1 ℃, is not less than 30 minutes stabilization time.Water temperature after heat collector 3 is heated probably can raise 5 ℃, flow to refrigeration machine 5 through shunt valve 4 parts then, another part directly flow through and with the refrigeration after water mix, mixed water temperature is hanged down 2 ℃ than the water temperature of heat collector 3 water inlets, temperature control electric heater 8 work of measuring according to temperature element 6 successively again by PID regulator 7, guarantee that finally the water temperature that flows to heat collector 3 water inlets reaches setting value, and be stabilized in 0.1 ℃ of scope.
Claims (2)
1. heat performance of solar heat collector pick-up unit, comprise refrigeration machine and ebullator, connect by pipeline therebetween, it is characterized in that: on the pipeline between refrigeration machine and the pump entry, be provided with two or three electric heaters, front at each electric heater is respectively equipped with temperature element, the signal output part of described temperature element is connected with the input end of PID regulator, and the corresponding output end of described PID regulator connects with corresponding electric heater control end respectively.
2. heat performance of solar heat collector pick-up unit according to claim 1 is characterized in that: be provided with shunt valve in the refrigeration machine front, described refrigeration machine is connected on the branch road of shunt valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202035705U CN201508280U (en) | 2009-09-21 | 2009-09-21 | Solar heat collector thermal performance detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202035705U CN201508280U (en) | 2009-09-21 | 2009-09-21 | Solar heat collector thermal performance detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508280U true CN201508280U (en) | 2010-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202035705U Expired - Fee Related CN201508280U (en) | 2009-09-21 | 2009-09-21 | Solar heat collector thermal performance detecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201508280U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494811A (en) * | 2011-12-26 | 2012-06-13 | 上海海事大学 | Apparatus for accurately testing heat loss in solar adsorption cooling tube under high temperature condition |
| CN102865997A (en) * | 2012-09-04 | 2013-01-09 | 湖北工业大学 | Vehicle-mounted test system for solar thermal collector |
| CN103115749A (en) * | 2013-01-30 | 2013-05-22 | 华北电力大学 | Dynamic testing device and dynamic testing method for thermal performances of groove-type solar collector |
| CN103134661A (en) * | 2013-03-18 | 2013-06-05 | 昆明理工大学 | Performance detection device of solar heat collection panel and application method thereof |
| CN103884530A (en) * | 2014-04-03 | 2014-06-25 | 安徽中家智锐科技有限公司 | Solar thermal collector testing system based on natural light manual simulation system |
| CN107703182A (en) * | 2017-08-25 | 2018-02-16 | 中国科学院电工研究所 | The optical efficiency measurement apparatus and its method of testing of groove type solar thermal-collecting tube |
| CN109163918A (en) * | 2018-08-22 | 2019-01-08 | 深圳天祥质量技术服务有限公司 | Solar water heating system thermal performance test equipment and its operating method |
-
2009
- 2009-09-21 CN CN2009202035705U patent/CN201508280U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494811A (en) * | 2011-12-26 | 2012-06-13 | 上海海事大学 | Apparatus for accurately testing heat loss in solar adsorption cooling tube under high temperature condition |
| CN102865997A (en) * | 2012-09-04 | 2013-01-09 | 湖北工业大学 | Vehicle-mounted test system for solar thermal collector |
| CN103115749A (en) * | 2013-01-30 | 2013-05-22 | 华北电力大学 | Dynamic testing device and dynamic testing method for thermal performances of groove-type solar collector |
| CN103115749B (en) * | 2013-01-30 | 2015-07-15 | 华北电力大学 | Dynamic testing device and dynamic testing method for thermal performances of groove-type solar collector |
| CN103134661A (en) * | 2013-03-18 | 2013-06-05 | 昆明理工大学 | Performance detection device of solar heat collection panel and application method thereof |
| CN103134661B (en) * | 2013-03-18 | 2015-12-02 | 昆明理工大学 | A kind of solar heat-collection plate device for detecting performance and application thereof |
| CN103884530A (en) * | 2014-04-03 | 2014-06-25 | 安徽中家智锐科技有限公司 | Solar thermal collector testing system based on natural light manual simulation system |
| CN107703182A (en) * | 2017-08-25 | 2018-02-16 | 中国科学院电工研究所 | The optical efficiency measurement apparatus and its method of testing of groove type solar thermal-collecting tube |
| CN109163918A (en) * | 2018-08-22 | 2019-01-08 | 深圳天祥质量技术服务有限公司 | Solar water heating system thermal performance test equipment and its operating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20120921 |