CN201795813U - Device for testing thermal performance of solar air heat collector - Google Patents
Device for testing thermal performance of solar air heat collector Download PDFInfo
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- CN201795813U CN201795813U CN2010205076803U CN201020507680U CN201795813U CN 201795813 U CN201795813 U CN 201795813U CN 2010205076803 U CN2010205076803 U CN 2010205076803U CN 201020507680 U CN201020507680 U CN 201020507680U CN 201795813 U CN201795813 U CN 201795813U
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- heat collector
- air heat
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Abstract
The utility model belongs to the technical field of performance tests of a solar air heat collector, in particular relates to a device for testing thermal performance of a solar air heat collector. The device comprises a first switching valve, a pressure transmitter and a second switching valve which are sequentially serially connected through pipelines. An inlet pressure testing tube and an outlet pressure testing tube are respectively connected with the air inlet and the air outlet at two ends of the solar air heat collector, the inlet pressure testing tube and the outlet pressure testing tube both have a straight tube part, the straight tube parts have the same inner diameter, an inlet pressure testing hole is formed at the straight tube part of the inlet pressure testing tube, the first switching valve is connected with the inlet pressure testing hole through a pipeline, an outlet pressure testing hole is arranged at the straight tube part of the outlet pressure testing tube, the second switching valve is connected with the outlet pressure testing hole through a pipeline, and the diameter of the inlet pressure testing hole and the outlet pressure testing hole is 2 mm to 6 mm or 1/10 of the inner diameter of the straight tube part. The device for testing the thermal performance of the solar air heat collector meets national standards, has accurate measurement, and is simple for operation.
Description
Technical field
The utility model relates to the technical field of performance test of solar energy air heat collector, especially a kind of solar energy air heat collector thermal behavior test unit.
Background technology
Maturation gradually along with solar utilization technique, solar water heating system has obtained large-scale promotion application in China, thereby solar energy air heat collector also begins to apply in China, except heating and the air-conditioning that is used for dwelling house, also in aspect widespread uses such as crops dryings, aspect the preheating ventilation of public buildings such as factory, school wide application space is being arranged also at present.The thermal performance test method of solar energy air heat collector does not also have corresponding national standards to unify to determine at present.
The utility model content
The technical problems to be solved in the utility model is: for convenience of the thermal performance test of solar energy air heat collector, the utility model provides a kind of solar energy air heat collector thermal behavior test unit.Because the pressure drop at solar energy air heat collector two ends is important parameters of Solar Energy Heat Utilization System design, so the utility model solar energy air heat collector thermal behavior test unit is mainly used in the pressure drop of testing the solar energy air heat collector two ends.The utility model is not suitable for heat reservoir and heat collector is the heat storage type solar energy air heat collector of one, also is not suitable for no transparent cover plate and follows the tracks of the solar energy air heat collector that focuses on.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of solar energy air heat collector thermal behavior test unit, comprise first transfer valve of pipeline serial connection successively, pressure unit, second transfer valve, the air intake at the two ends of solar energy air heat collector and air out are connected to inlet piezometric tube and outlet piezometric tube respectively, the inlet piezometric tube has the identical straight-tube portion of internal diameter with the outlet piezometric tube, the straight-tube portion of inlet piezometric tube offers the inlet pressure tap, first transfer valve is connected with inlet pressure tap pipeline, the straight-tube portion of outlet piezometric tube offers the outlet pressure tap, second transfer valve is connected with outlet pressure tap pipeline, and the inlet pressure tap is the internal diameter of 2mm～6mm or 1/10 straight-tube portion with the diameter of outlet pressure tap.
Also be connected to thermometer and flowmeter respectively on inlet piezometric tube and the outlet piezometric tube.
For the accuracy that guarantees to measure, the distance of the distance of inlet pressure tap and air intake, outlet pressure tap and air out is at least the length of 1/2 L, the internal diameter of L 〉=4* straight-tube portion, straight-tube portion is at least the length of 1 L, the internal diameter of L 〉=4* straight-tube portion.
The beneficial effects of the utility model are, the utility model solar energy air heat collector thermal behavior test unit adopts national standard, and are simple to operate, measure accurately.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
1. first transfer valves among the figure, 2. pressure unit, 3. second transfer valve, 4. solar energy air heat collector, 5. inlet pressure tap, 6. outlet pressure tap, 7. thermometer, 8. flowmeter.
Embodiment
In conjunction with the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Of the present utility model a kind of solar energy air heat collector pressure breakdown proving installation as shown in Figure 1, because the pressure drop at solar energy air heat collector two ends is important parameters of Solar Energy Heat Utilization System design, so the utility model is mainly used in the pressure drop at test solar energy air heat collector two ends, comprise first transfer valve 1 of pipeline serial connection successively, pressure unit 2, second transfer valve 3, the air intake at the two ends of solar energy air heat collector 4 and air out are connected to inlet piezometric tube and outlet piezometric tube respectively, the inlet piezometric tube has the identical straight-tube portion of internal diameter with the outlet piezometric tube, the straight-tube portion of inlet piezometric tube offers inlet pressure tap 5, first transfer valve is connected with inlet pressure tap 5 pipelines, the straight-tube portion of outlet piezometric tube offers outlet pressure tap 6, second transfer valve is connected with outlet pressure tap 6 pipelines, and inlet pressure tap 5 is the internal diameter of 2mm～6mm or 1/10 straight-tube portion with the diameter of outlet pressure tap 6.
Also be connected to thermometer 7 and flowmeter 8 respectively on inlet piezometric tube and the outlet piezometric tube.
For the accuracy that guarantees to measure, the distance of the distance of inlet pressure tap 5 and air intake, outlet pressure tap 6 and air out is at least the length of 1/2 L, the internal diameter of L 〉=4* straight-tube portion, straight-tube portion is at least the length of 1 L, the internal diameter of L 〉=4* straight-tube portion.
During test, air enters from the inlet piezometric tube, and shows Current Temperatures by thermometer 7, through first transfer valve 1, pressure unit 2, second transfer valve 3, flows out from the outlet piezometric tube, and shows present flow rate by the flowmeter 8 of outlet piezometric tube.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the instructions, must determine its technical scope according to the claim scope.
Claims (5)
1. solar energy air heat collector thermal behavior test unit, it is characterized in that: comprise first transfer valve (1) of pipeline serial connection successively, pressure unit (2), second transfer valve (3), the air intake at the two ends of solar energy air heat collector (4) and air out are connected to inlet piezometric tube and outlet piezometric tube respectively, described inlet piezometric tube has the identical straight-tube portion of internal diameter with the outlet piezometric tube, the straight-tube portion of inlet piezometric tube offers inlet pressure tap (5), described first transfer valve is connected with inlet pressure tap (5) pipeline, the straight-tube portion of outlet piezometric tube offers outlet pressure tap (6), described second transfer valve is connected with outlet pressure tap (6) pipeline, and described inlet pressure tap (5) is the internal diameter of 2mm～6mm or 1/10 straight-tube portion with the diameter of outlet pressure tap (6).
2. solar energy air heat collector thermal behavior test unit as claimed in claim 1 is characterized in that: also be connected to thermometer (7) and flowmeter (8) respectively on described inlet piezometric tube and the outlet piezometric tube.
3. solar energy air heat collector thermal behavior test unit as claimed in claim 1 or 2, it is characterized in that: described straight-tube portion is at least the length of 1 L, the internal diameter of L 〉=4* straight-tube portion.
4. solar energy air heat collector thermal behavior test unit as claimed in claim 1 or 2, it is characterized in that: the distance of the distance of described inlet pressure tap (5) and air intake, outlet pressure tap (6) and air out is at least the length of 1/2 L, the internal diameter of L 〉=4* straight-tube portion.
5. solar energy air heat collector thermal behavior test unit as claimed in claim 4, it is characterized in that: described straight-tube portion is at least the length of 1 L, the internal diameter of L 〉=4* straight-tube portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205076803U CN201795813U (en) | 2010-08-27 | 2010-08-27 | Device for testing thermal performance of solar air heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205076803U CN201795813U (en) | 2010-08-27 | 2010-08-27 | Device for testing thermal performance of solar air heat collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795813U true CN201795813U (en) | 2011-04-13 |
Family
ID=43850719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205076803U Expired - Fee Related CN201795813U (en) | 2010-08-27 | 2010-08-27 | Device for testing thermal performance of solar air heat collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390786A (en) * | 2014-12-04 | 2015-03-04 | 南京航空航天大学 | Test stand for measuring flow coefficient of small hole under rotation condition |
-
2010
- 2010-08-27 CN CN2010205076803U patent/CN201795813U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390786A (en) * | 2014-12-04 | 2015-03-04 | 南京航空航天大学 | Test stand for measuring flow coefficient of small hole under rotation condition |
| CN104390786B (en) * | 2014-12-04 | 2017-05-03 | 南京航空航天大学 | Test stand for measuring flow coefficient of small hole under rotation condition |
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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: 20110413 Termination date: 20120827 |