CN102539108A - Energy-saving wind tunnel for enthalpy potential method experiment device - Google Patents
Energy-saving wind tunnel for enthalpy potential method experiment device Download PDFInfo
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- CN102539108A CN102539108A CN2012100025071A CN201210002507A CN102539108A CN 102539108 A CN102539108 A CN 102539108A CN 2012100025071 A CN2012100025071 A CN 2012100025071A CN 201210002507 A CN201210002507 A CN 201210002507A CN 102539108 A CN102539108 A CN 102539108A
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Abstract
The invention belongs to the field of an enthalpy potential method comprehensive test device and particularly relates to an energy-saving wind tunnel for an enthalpy potential method experiment device. The energy-saving wind tunnel comprises a sealed box body, wherein one side of the box body is provided with an interface connected with a wind supply opening of an air conditioner to be tested, one side of the box body far away from the interface is provided with a wind discharge opening, a flow mixer, a temperature and humidity sampling device, a spray nozzle mechanism and an auxiliary fan are sequentially arranged in the box body from the interface side to the wind discharge opening side along the air flow advancing method, a flow equalizing plate and an energy-saving heat exchanger are also arranged in the box body, the energy-saving heat exchanger is connected in series or parallel onto a water outlet pipeline of the cooling water side of the air conditioner to be tested, and in addition, the flow equalizing plate and the energy-saving heat exchanger are respectively and transversely arranged in the air flow advancing direction. The energy-saving wind tunnel has the advantages that the energy-saving heat exchanger is arranged in the wind tunnel, cooling water generated by the air conditioner to be tested is supplied to the energy-saving heat exchanger, and in addition, the cooling water and cold air in the wind tunnel carry out heat exchange, so the heating quantity required to be fed into a test chamber, i.e. the box body is reduced, and the energy-saving effect is obvious.
Description
Technical field
The invention belongs to enthalpy potential method comprehensive test device field, be specifically related to a kind of energy-conservation wind-tunnel that is used for the enthalpy potential method test unit.
Background technology
Wind-tunnel is the core component of enthalpy potential method test unit, is used for accurately measuring the parameter such as air circulation, air-out wet and dry bulb temperature of tested air conditioner.Wind-tunnel comprises the casing of a sealing, and an end of casing is provided with the interface that links to each other with the air outlet of tested air conditioner, and opposite side is provided with exhaust outlet, is provided with parts such as mixed flow device, humiture sampler, nozzle mechanism and accessory fan in the casing.During test; Be connected with the interface of wind-tunnel according to the air outlet of standard-required, and the air-out static pressure be adjusted to setting, data such as pressure reduction, leaving air temp before and after the recording nozzles through accessory fan with tested air conditioner; And combine the area of nozzle, can calculate the air circulation of tested air conditioner.
When units such as test water cold mould air conditioner, combined type air conditioner, the refrigerating capacity that tested air conditioner produces is released in the casing, in order to keep the temperature stabilization of casing; Just need heat casing; Therefore the refrigerating capacity that is produced with the tested air conditioner of balance needs to consume more electric energy, especially when the refrigerating capacity of tested air conditioner is big; Often cause factory's electric capacity deficiency and trip phenomenon takes place, the dilatation of perhaps having to carry out in order to satisfy test request.
Summary of the invention
The purpose of this invention is to provide a kind of energy-conservation wind-tunnel that is used for the enthalpy potential method test unit; This energy-conservation wind-tunnel has made full use of the heat that tested air conditioner produces; Through energy-saving heat exchanger the wind-tunnel casing is heated, thereby greatly reduced the electrically heated input of wind-tunnel, reached purpose of energy saving.
For realizing above-mentioned purpose; The present invention has adopted following technical scheme: a kind of energy-conservation wind-tunnel that is used for the enthalpy potential method test unit; The casing that comprises sealing; One side of said casing is provided with the interface that links to each other with the air outlet of tested air conditioner; Side away from interface of casing is provided with exhaust outlet, is disposed with mixed flow device, humiture sampler, nozzle mechanism and accessory fan from interface one side to exhaust outlet one side along the air-flow working direction in the said casing, also is provided with homogenizing plate and energy-saving heat exchanger in the said casing; Said energy-saving heat exchanger serial or parallel connection is on the outlet pipeline of tested air conditioner cooling water side, and homogenizing plate and energy-saving heat exchanger are all horizontal on the working direction of air-flow.
This energy-conservation wind-tunnel can also be able to further realization in the following manner:
Said energy-saving heat exchanger is a finned heat exchanger.
Said homogenizing plate is set to two, and one of them also is that first homogenizing plate is arranged between humiture sampler and the nozzle mechanism, and another also is that second homogenizing plate is arranged between nozzle mechanism and the accessory fan.
Said energy-saving heat exchanger is arranged between second homogenizing plate and the accessory fan.
Said energy-saving heat exchanger is connected in parallel on the outlet pipeline of tested air conditioner cooling water side, and the junction of the outlet pipeline of the water inlet pipe of energy-saving heat exchanger and tested air conditioner cooling water side is provided with flow control valve.
The present invention compares with prior art has following beneficial effect: the present invention is provided with finned heat exchanger in wind-tunnel; Finned heat exchanger is arrived in chilled(cooling) water supply (CWS) through equipment such as tested air conditioner or tested handpiece Water Chilling Units are produced; And make chilled water and the cold air in the wind-tunnel in the finned heat exchanger carry out heat exchange; Thereby greatly having reduced between test also is the heat that adds that needs input in the casing, and energy-saving effect is obvious.
Description of drawings
Fig. 1 is the structural representation of this energy-conservation wind-tunnel;
Fig. 2 is the principle of work synoptic diagram of this energy-conservation wind-tunnel.
The implication of mark is following among the figure:
10-casing 11-interface 20-mixed flow device 30-humiture sampler
40-nozzle mechanism 50-accessory fan 60A-first homogenizing plate
The 60B-second homogenizing plate 70-energy-saving heat exchanger 71-water inlet pipe
The tested air conditioner of 80-flow control valve 90-
The outlet pipeline 100-test room of the tested air conditioner cooling water side of 91-
Embodiment
Like Fig. 1, shown in 2; A kind of energy-conservation wind-tunnel that is used for the enthalpy potential method test unit; The casing 10 that comprises sealing; One side of said casing 10 is provided with the interface 11 that links to each other with the air outlet of tested air conditioner; Side away from interface 11 of casing 10 is provided with exhaust outlet, is disposed with mixed flow device 20, humiture sampler 30, nozzle mechanism 40 and accessory fan 50 from interface 11 1 sides to exhaust outlet one side along the air-flow working direction in the said casing 10, also is provided with homogenizing plate and energy-saving heat exchanger 70 in the said casing 10; Said energy-saving heat exchanger 70 serial or parallel connections are on the outlet pipeline of tested air conditioner cooling water side, and homogenizing plate and energy-saving heat exchanger 70 are all horizontal on the working direction of air-flow.
Preferably, said energy-saving heat exchanger 70 is a finned heat exchanger, and the heat exchange efficiency of finned heat exchanger is high, and heat exchanger efficiency is good.
Further; As shown in Figure 1; Said homogenizing plate is set to two, and one of them also is that the first homogenizing plate 60A is arranged between humiture sampler 30 and the nozzle mechanism 40, and another also is that the second homogenizing plate 60B is arranged between nozzle mechanism 40 and the accessory fan 50.
Homogenizing plate is used for the cold wind of casing 10 is carried out rectification, to guarantee precision of test result.
As shown in Figure 1, said energy-saving heat exchanger 70 is arranged between the second homogenizing plate 60B and the accessory fan 50.
As shown in Figure 2, said energy-saving heat exchanger 70 is connected in parallel on the outlet pipeline 91 of tested air conditioner cooling water side, and the junction of the outlet pipeline 91 of the water inlet pipe 71 of energy-saving heat exchanger 70 and tested air conditioner cooling water side is provided with flow control valve 80.
Further specify below in conjunction with Fig. 1,2 pairs of courses of work of the present invention.
As shown in Figure 2; With test water cold mould air conditioner is example; Tested air conditioner 90 all is arranged in the test room 100 with whole wind-tunnel; The air outlet of tested air conditioner 90 links to each other with the interface 11 of wind-tunnel casing 10, and the water lines of tested air conditioner 90 cooling water sides is stretched out in the outside in test room 100 and with constant temperature water tank and linked to each other.Energy-saving heat exchanger 70 in the wind-tunnel casing 10 is connected in parallel on the outlet pipeline 91 of tested air conditioner cooling water side, and the junction of the outlet pipeline 91 of the water inlet pipe 71 of energy-saving heat exchanger 70 and tested air conditioner cooling water side is provided with flow control valve 80.
In test process; Tested air conditioner 90 is seen cold wind through interface 11 off in casing 10; Energy-saving heat exchanger 70 then utilizes the heat that cooling water side produced of tested air conditioner 90 that casing 10 is heated; With the refrigerating capacity of the tested air conditioner 90 of balance, the temperature stabilization that makes test room 100 and casing 10 has reduced the input of test room 100 and casing 10 interior electric heater units a steady temperature; The chilled water of tested air conditioner 90 has obtained cooling simultaneously, has reduced the thermal load of constant temperature water tank, thereby has reduced the refrigerating capacity of water-cooled handpiece Water Chilling Units, has also reached purpose of energy saving.The present invention is when the big unit of test, and total energy-saving effect can reach about 30%.
Claims (5)
1. energy-conservation wind-tunnel that is used for the enthalpy potential method test unit; The casing (10) that comprises sealing; One side of said casing (10) is provided with the interface (11) that links to each other with the air outlet of tested air conditioner; Side away from interface (11) of casing (10) is provided with exhaust outlet; Be disposed with mixed flow device (20), humiture sampler (30), nozzle mechanism (40) and accessory fan (50) from interface (11) one side to exhaust outlets one side along the air-flow working direction in the said casing (10); It is characterized in that: also be provided with homogenizing plate and energy-saving heat exchanger (70) in the said casing (10), said energy-saving heat exchanger (70) serial or parallel connection is on the outlet pipeline of tested air conditioner cooling water side, and homogenizing plate and energy-saving heat exchanger (70) are all horizontal on the working direction of air-flow.
2. the energy-conservation wind-tunnel that is used for the enthalpy potential method test unit according to claim 1 is characterized in that: said energy-saving heat exchanger (70) is a finned heat exchanger.
3. the energy-conservation wind-tunnel that is used for the enthalpy potential method test unit according to claim 1; It is characterized in that: said homogenizing plate is set to two; One of them also is that first homogenizing plate (60A) is arranged between humiture sampler (30) and the nozzle mechanism (40), and another also is that second homogenizing plate (60B) is arranged between nozzle mechanism (40) and the accessory fan (50).
4. the energy-conservation wind-tunnel that is used for the enthalpy potential method test unit according to claim 3 is characterized in that: said energy-saving heat exchanger (70) is arranged between second homogenizing plate (60B) and the accessory fan (50).
5. according to each described energy-conservation wind-tunnel that is used for the enthalpy potential method test unit of claim 1～4; It is characterized in that: said energy-saving heat exchanger (70) is connected in parallel on the outlet pipeline of tested air conditioner cooling water side, and the junction of the outlet pipeline of the water inlet pipe of energy-saving heat exchanger (70) and tested air conditioner cooling water side is provided with flow control valve (80).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210002507.1A CN102539108B (en) | 2012-01-06 | 2012-01-06 | Energy-saving wind tunnel for enthalpy potential method experiment device |
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| CN201210002507.1A CN102539108B (en) | 2012-01-06 | 2012-01-06 | Energy-saving wind tunnel for enthalpy potential method experiment device |
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| CN102539108B CN102539108B (en) | 2014-07-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487083A (en) * | 2013-10-17 | 2014-01-01 | 国家电网公司 | Low-speed air box for artificial icing climatic laboratory |
| CN104089786A (en) * | 2014-04-22 | 2014-10-08 | 合肥通用机械研究院 | Radiation tail end performance test device based on control radiation plate |
| CN104155136A (en) * | 2014-08-21 | 2014-11-19 | 重庆大学 | Air cooler refrigerating capacity measuring apparatus |
| CN104596724A (en) * | 2015-01-09 | 2015-05-06 | 无锡佳龙换热器股份有限公司 | Wind tunnel test table for heat dissipation performance of heat exchanger |
| CN109445476A (en) * | 2018-10-10 | 2019-03-08 | 珠海格力电器股份有限公司 | Enthalpy difference laboratory nozzle automatic control method |
| CN115451609A (en) * | 2022-09-14 | 2022-12-09 | 合肥通用机械研究院有限公司 | Condensation heat recovery system and method during refrigeration evaluation of water chilling unit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487083A (en) * | 2013-10-17 | 2014-01-01 | 国家电网公司 | Low-speed air box for artificial icing climatic laboratory |
| CN103487083B (en) * | 2013-10-17 | 2015-08-19 | 国家电网公司 | Artificial icing climate cell low speed bellows |
| CN104089786A (en) * | 2014-04-22 | 2014-10-08 | 合肥通用机械研究院 | Radiation tail end performance test device based on control radiation plate |
| CN104089786B (en) * | 2014-04-22 | 2017-01-25 | 合肥通用机械研究院 | Radiation tail end performance test device based on control radiation plate |
| CN104155136A (en) * | 2014-08-21 | 2014-11-19 | 重庆大学 | Air cooler refrigerating capacity measuring apparatus |
| CN104596724A (en) * | 2015-01-09 | 2015-05-06 | 无锡佳龙换热器股份有限公司 | Wind tunnel test table for heat dissipation performance of heat exchanger |
| CN109445476A (en) * | 2018-10-10 | 2019-03-08 | 珠海格力电器股份有限公司 | Enthalpy difference laboratory nozzle automatic control method |
| CN115451609A (en) * | 2022-09-14 | 2022-12-09 | 合肥通用机械研究院有限公司 | Condensation heat recovery system and method during refrigeration evaluation of water chilling unit |
| CN115451609B (en) * | 2022-09-14 | 2023-09-22 | 合肥通用机械研究院有限公司 | Condensation heat recovery system and recovery method for refrigeration evaluation of water chilling unit |
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| CN102539108B (en) | 2014-07-23 |
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Address after: 230031 Hefei Changjiang Road, Shushan District, Anhui, No. 888 Patentee after: Hefei Universal Machinery Inst. Patentee after: Hefei General Machinery Product Inspect Institute Co., Ltd. Address before: 230031 Hefei Changjiang Road, Shushan District, Anhui, No. 888 Patentee before: Hefei Universal Machinery Inst. Patentee before: Hefei General Machinery & Electrical Products Inspection Institute |
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Address after: 230031 No. 888 Changjiang West Road, Shushan District, Anhui, Hefei Patentee after: HEFEI GENERAL MACHINERY RESEARCH INSTITUTE Co.,Ltd. Patentee after: Hefei General Electromechanical Products Testing Institute Co., Ltd Address before: 230031 No. 888 Changjiang West Road, Shushan District, Anhui, Hefei Patentee before: HEFEI GENERAL MACHINERY Research Institute Patentee before: Hefei General Electromechanical Products Testing Institute Co., Ltd |