CN203024997U - Energy efficiency evaluation system of solar water heater - Google Patents
Energy efficiency evaluation system of solar water heater Download PDFInfo
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- CN203024997U CN203024997U CN 201320022310 CN201320022310U CN203024997U CN 203024997 U CN203024997 U CN 203024997U CN 201320022310 CN201320022310 CN 201320022310 CN 201320022310 U CN201320022310 U CN 201320022310U CN 203024997 U CN203024997 U CN 203024997U
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- water
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- heater
- temperature sensor
- electric heater
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Abstract
The utility model discloses an energy efficiency evaluation system of a solar water heater. The energy efficiency evaluation system is capable of saving space, saving cost, and realizing the constant temperature control precision consistent with national standard. The system comprises an electric heater, a water heater, a tee valve, a cold water tank and a refrigerator, a four-way regulating valve, and a water mixing pump, the tee valve is communicated with the four-way regulating valve, the refrigerator is a compressor with constant power, the electric heater is connected with a PID regulator, an outfall is arranged at the connecting end of the electric heater and the water mixing pump, the pipelines connected with the electric heater, the water mixing pump and the outfall are respectively provided with a backflow-resisting electromagnetic valve and a water mixing electromagnetic valve, the connecting pipeline between the four-way regulating valve and the water mixing pump is provided with a filler, the filler is provided with a flow meter and a filling electromagnetic valve, a temperature sensor I is arranged on the pipeline at the outfall of the water heater, and a temperature sensor II and a temperature sensor III are respectively arranged on the pipeline between the water mixing pump and the four-way regulating valve.
Description
Technical field
The utility model relates to a kind of solar water heater efficiency evaluation system of evaluating the thermal behavior index of solar water heater.
Background technology
Along with the widespread use of people to the domestic solar water heater, also more and more higher to the requirement of the thermal behavior index of solar water heater, country has released the thermal performance test standard for this reason, determines the height of the thermal efficiency of solar water heater according to test value.Therefore, the testing apparatus of solar water heater also there has been the requirement of higher standard.Existing testing apparatus adopts extensive refrigeration unit to prepare cold water stream usually, complementary with the mixed water of the flow of hot water of electric heater preparation again, realize thermostatic control, but extensive refrigeration unit makes whole test macro exist to take up room greatly, there is the high problem of testing cost, in fact be difficult to carry out, thereby cause solar water heater off quality.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of conserve space, saving cost, realizes meeting the solar water heater efficiency evaluation system of national standard thermostatic control precision.
Technical solution of the present utility model is:
this solar water heater efficiency evaluation system, comprise the electric heater that utilizes pipeline to be in turn connected to form the loop, water heater with water outlet of water heater mouth and water heater filling pipe end, T-valve, cold water tank, the four-way variable valve, multifunctional pump, the refrigeration machine that is connected with cold water tank, be communicated with between T-valve and four-way variable valve, its special character is: described refrigeration machine is the compressor of power invariability, described electric heater is connected with the PID regulator and is controlled by the PID regulator, link at electric heater and multifunctional pump is provided with freeing port, be provided with drain solenoid valve on freeing port, at electric heater, be respectively equipped with anti-backflow solenoid valve and mixed water solenoid valve on multifunctional pump and pipeline that freeing port is connected, be provided with the filler on the connecting line between four-way variable valve and multifunctional pump, and be provided with flowmeter and upper water solenoid valve on the filler, be provided with the temperature sensor I on the pipeline of water outlet of water heater mouth, be respectively equipped with temperature sensor II and temperature sensor III on the connecting line between multifunctional pump and four-way variable valve, described temperature sensor II is connected with the PID regulator, described temperature sensor I is connected with test instrumentation when using with the temperature sensor III.
The beneficial effects of the utility model are:
1, use the compressor of firm power that the water in cold water tank is reduced to stationary temperature.Air after refrigeration is flowed in cold water tank, for flowing water cooling in cold water tank, by the circulation of multifunctional pump, water is lowered the temperature uniformly, so just can realize the constant cooling of refrigerating plant.Adopt compressor not only to save the space but also reduced cost as refrigeration machine compared to refrigeration unit, can satisfy the requirements of domestic solar water heater's test experiments.
2, electric heater regulates to control the heat that adds of water heater by PID, then exports how many best mixing temperatures (the mixed water of cold water and hot water is complementary) to reach cold water and hot water of cold water by four-way variable valve manual adjustments.Because cold water temperature is constant, can regulate the size that cold water stream be sneaked into flow of hot water by the four-way variable valve is manual, judge by contrast entrance and outlet temperature be whether consistent whether cold water flows mixed volume suitable by test instrumentation.Add like this process of manual adjustments can make PID control constant temperature easier, realize that constant temperature is quicker.Refrigeration and heating effect simultaneously, the stirring by multifunctional pump is controlled in setting range the temperature of whole circulation, and precision can reach ± and 0.1 ℃, meet the entrance predetermined temperature precision of national standard in ± 1 ℃ of scope, guarantee the reliable of evaluating result.
Description of drawings
Fig. 1 is structural representation of the present utility model;
In figure: filler 1, flowmeter 2, upper water solenoid valve 3, temperature sensor II 4, temperature sensor III 5, four-way variable valve 6, cold water tank 7, refrigeration machine 8, T-valve 9, water heater filler 1001, water outlet of water heater mouth 1002, temperature sensor I 11, electric heater 12, PID regulator 13, anti-backflow solenoid valve 14, mixed water solenoid valve 15, multifunctional pump 16, drain solenoid valve 17, freeing port 18, temperature sensor IV 19.
Embodiment
this solar water heater efficiency evaluation system, comprise the electric heater 12 that utilizes pipeline to be in turn connected to form the loop, water heater 10 with water outlet of water heater mouth 1002 and water heater filler 1001, T-valve 9, cold water tank 7, four-way variable valve 6, multifunctional pump 16, freeing port 18, the refrigeration machine 8 that is connected with cold water tank 7, be communicated with between T-valve 9 and four-way variable valve 6, described refrigeration machine 8 is the compressor of power invariability, described electric heater 12 is connected with PID regulator 13 and by its control, freeing port 18 is located at the link of electric heater 12 and multifunctional pump 16, be provided with drain solenoid valve 17 on freeing port 18, at electric heater 12, be respectively equipped with anti-backflow solenoid valve 14 and mixed water solenoid valve 15 on multifunctional pump 16 and pipeline that freeing port 18 is connected, the other filler 1 that is equipped with on the pipeline that connects four-way variable valve 6 and multifunctional pump 16, be provided with flowmeter 2 and upper water solenoid valve 3 on filler 1, be respectively equipped with temperature sensor I 11 and temperature sensor IV 19 on the pipeline of water outlet of water heater mouth 1002 and water heater 10, be provided with temperature sensor II 4 and temperature sensor III 5 on the pipeline that connects between multifunctional pump 16 and four-way variable valve 6, described temperature sensor II 4 is connected with PID regulator 13, described temperature sensor I 11, temperature sensor III 5 is connected with test instrumentation when using with temperature sensor IV 19.
When adding water, open water solenoid valve 3, close drain solenoid valve 17, fill it up with rear pass and close water solenoid valve 3, add the water process and be: filler 1, four-way variable valve 6, cold water tank 7, T-valve 9, electric heater 10, well heater 12, multifunctional pump 15, four-way variable valve 6.
During draining, open drain solenoid valve 17, drainage procedure: electric heater 12, water heater 10, T-valve 9, cold water tank 7, four-way variable valve 6, multifunctional pump 16, freeing port 18.
The constant temperature circulating control procedure of this solar water heater test macro:
Claims (1)
1. solar water heater efficiency evaluation system, comprise the electric heater that utilizes pipeline to be in turn connected to form the loop, water heater with water outlet of water heater mouth and water heater filling pipe end, T-valve, cold water tank, the four-way variable valve, multifunctional pump, the refrigeration machine that is connected with cold water tank, be communicated with between T-valve and four-way variable valve, it is characterized in that: described refrigeration machine is the compressor of power invariability, described electric heater is connected with the PID regulator and is controlled by the PID regulator, link at electric heater and multifunctional pump is provided with freeing port, be provided with drain solenoid valve on freeing port, at electric heater, be respectively equipped with anti-backflow solenoid valve and mixed water solenoid valve on multifunctional pump and pipeline that freeing port is connected, be provided with the filler on the connecting line between four-way variable valve and multifunctional pump, and be provided with flowmeter and upper water solenoid valve on the filler, be provided with the temperature sensor I on the pipeline of water outlet of water heater mouth, be respectively equipped with temperature sensor II and temperature sensor III on the connecting line between multifunctional pump and four-way variable valve, described temperature sensor II is connected with the PID regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022310 CN203024997U (en) | 2013-01-16 | 2013-01-16 | Energy efficiency evaluation system of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022310 CN203024997U (en) | 2013-01-16 | 2013-01-16 | Energy efficiency evaluation system of solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024997U true CN203024997U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320022310 Expired - Fee Related CN203024997U (en) | 2013-01-16 | 2013-01-16 | Energy efficiency evaluation system of solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203024997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940092A (en) * | 2017-03-24 | 2017-07-11 | 广州安博检测有限公司 | A kind of solar thermal collector thermal efficiency open loop water system |
| CN107860141A (en) * | 2017-09-22 | 2018-03-30 | 同济大学 | Solar energy composite heat power supply systems constant exports energy efficiency test system |
-
2013
- 2013-01-16 CN CN 201320022310 patent/CN203024997U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940092A (en) * | 2017-03-24 | 2017-07-11 | 广州安博检测有限公司 | A kind of solar thermal collector thermal efficiency open loop water system |
| CN106940092B (en) * | 2017-03-24 | 2019-04-09 | 广州安博检测有限公司 | A kind of solar thermal collector thermal efficiency open loop water system |
| CN107860141A (en) * | 2017-09-22 | 2018-03-30 | 同济大学 | Solar energy composite heat power supply systems constant exports energy efficiency test system |
| CN107860141B (en) * | 2017-09-22 | 2020-03-24 | 同济大学 | Testing method of constant output energy efficiency testing system of solar composite heat source system |
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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: 20130626 Termination date: 20140116 |