CN204461777U - A kind of cooling air circulation system for heat exchanger performance test - Google Patents
A kind of cooling air circulation system for heat exchanger performance test Download PDFInfo
- Publication number
- CN204461777U CN204461777U CN201520016628.0U CN201520016628U CN204461777U CN 204461777 U CN204461777 U CN 204461777U CN 201520016628 U CN201520016628 U CN 201520016628U CN 204461777 U CN204461777 U CN 204461777U
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- circulation system
- heat exchanger
- cooling air
- performance test
- air circulation
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses a kind of cooling air circulation system for heat exchanger performance test, it comprises wind-tunnel, induced draft fan, mixing chamber, axial flow fan, recycle airduct and heating source, described wind-tunnel comprises inlet chamber, measures pipeline section and transitional pipe segment, and described induced draft fan adopts variable-frequency motor to drive; It connects mixing chamber by connecting tube, and described connecting tube is provided with exhaust duct, described exhaust duct is provided with air draft air-valve; Described mixing chamber is connected with new wind inlet pipe, described new wind inlet pipe is provided with new wind air-valve, and described mixing chamber connects axial flow fan; Described axial flow fan is connected with the recycle airduct hot blast of test being sent into room, laboratory.Not only structure is simple for above-mentioned cooling air circulation system, volume is little, easy to operate; And be provided with recirculation circuit, can realize in the winter time or carry out under condition that other temperature are lower the heat exchanger performance test of higher EAT, technical performance index is high.
Description
Technical field
The utility model relates to heat exchanger performance test technology, particularly relates to a kind of cooling air circulation system for heat exchanger performance test.
Background technology
Heat exchanger performance is test bed is the visual plant of heat exchanger product design and development and quality control, is also thermal-arrest work simultaneously, machinery, electrically, automatically controls and the electro-mechanical system of computer utility.Cooling air circulation system can meet the testing requirements of various air cooled heat exchanger heat transfer property, at present, and the shortcoming that existing cooling air circulation system ubiquity complex structure, floor area are large, operation is inconvenient and experimental technique performance index are not high.
Utility model content
The purpose of this utility model is to provide a kind of cooling air circulation system for heat exchanger performance test, and it has, and structure is simple, volume is little, the feature that easy to operate and technical performance index is high.To solve in prior art for the problems referred to above that the cooling air circulation system of heat exchanger performance test exists.
For reaching this object, the utility model by the following technical solutions:
For a cooling air circulation system for heat exchanger performance test, it comprises wind-tunnel, induced draft fan, mixing chamber, axial flow fan, recycle airduct and heating source, wherein,
Described wind-tunnel comprises inlet chamber, measures pipeline section and transitional pipe segment, the leading portion of described inlet chamber is provided with static pressure check point, rectification mixing arrangement, rear rake sampler and rear temperature sampling blower fan after workpiece, the back segment of described inlet chamber connects measures pipeline section, be provided with air flow rate detecting device in described measurement pipeline section, described measurement pipeline section connects induced draft fan by transitional pipe segment;
Described induced draft fan adopts variable-frequency motor to drive; It connects mixing chamber by connecting tube, and described connecting tube is provided with exhaust duct, described exhaust duct is provided with air draft air-valve;
Described mixing chamber is connected with new wind inlet pipe, described new wind inlet pipe is provided with new wind air-valve, and described mixing chamber connects axial flow fan;
Described axial flow fan is connected with the recycle airduct hot blast of test being sent into room, laboratory.
Especially, described cooling air circulation system also comprises the inlet flow device dolly for placing testpieces, described inlet flow device dolly is connected with the inlet chamber of wind-tunnel by disconnectable linkage section, and described inlet flow device dolly comprises vehicle frame, the bottom of described vehicle frame is provided with road wheel, and the top of described vehicle frame is provided with front static pressure check point, fairing, front rake sampler and front temperature sampling blower fan in the upstream of testpieces.
Especially, the leading portion of described induced draft fan is provided with low discharge butterfly valve, normally runs under low discharge to meet induced draft fan.
Especially, the end of described recycle airduct is provided with air-supply damping orifice plate, its by damping orifice plate to the air-supply of room, laboratory, even to meet the EAT of cooling air inlet temperature under change condition between environment temperature to 60 DEG C, ensure the performance test requirement of air cooler.
The beneficial effects of the utility model are, compared with prior art not only structure is simple, volume is little, easy to operate for the described cooling air circulation system for heat exchanger performance test; And be provided with recirculation circuit, can realize in the winter time or carry out under condition that other temperature are lower the heat exchanger performance test of higher EAT, technical performance index is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cooling air circulation system for heat exchanger performance test that the utility model embodiment 1 provides.
In figure:
1, inlet flow device dolly; 2, wind-tunnel; 3, induced draft fan; 4, mixing chamber; 5, axial flow fan; 6, recycle airduct; 7, air-supply damping orifice plate; 8, heating source; 9, linkage section; 10, vehicle frame; 11, road wheel; 12, fairing; 13, front rake sampler; 14, front temperature sampling blower fan; 15, inlet chamber; 16, pipeline section is measured; 17, transitional pipe segment; 18, rectification mixing arrangement; 19, rear rake sampler; 20, rear temperature sampling blower fan; 21, differential pressure transmitter group; 22, air flow rate detecting device; 23, connecting tube; 24, air draft air-valve; 25, low discharge butterfly valve; 26, new wind air-valve.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Refer to shown in Fig. 1, Fig. 1 is the structural representation of the cooling air circulation system for heat exchanger performance test that the utility model embodiment 1 provides.
In the present embodiment, a kind of cooling air circulation system for heat exchanger performance test comprises inlet flow device dolly 1, wind-tunnel 2, induced draft fan 3, mixing chamber 4, axial flow fan 5, recycle airduct 6, air-supply damping orifice plate 7 and heating source 8, described inlet flow device dolly 1 is for placing testpieces, it is connected with wind-tunnel 2, for model test by disconnectable linkage section 9.And described inlet flow device dolly 1 comprises vehicle frame 10, the bottom of described vehicle frame 10 is provided with road wheel 11, and the top of described vehicle frame 10 is provided with front static pressure check point in the upstream of testpieces, fairing 12, front rake sampler 13 and front temperature sampling blower fan 14, described wind-tunnel 2 comprises inlet chamber 15, measure pipeline section 16 and transitional pipe segment 17, the leading portion of described inlet chamber 15 is provided with static pressure check point after workpiece, rectification mixing arrangement 18, rear rake sampler 19 and rear temperature sampling blower fan 20, before described, rear static pressure check point detects pressure reduction by differential pressure transmitter group 21, the back segment of described inlet chamber 15 connects measures pipeline section 16, air flow rate detecting device 22 is provided with in described measurement pipeline section 16, described measurement pipeline section 16 connects induced draft fan 3 by transitional pipe segment 17.
Described induced draft fan 3 adopts variable-frequency motor to drive; It connects mixing chamber 4 by connecting tube 23, described connecting tube 4 is provided with exhaust duct, described exhaust duct is provided with air draft air-valve 24; And the leading portion of described induced draft fan 3 is provided with low discharge butterfly valve 25.
Described mixing chamber 4 is connected with new wind inlet pipe, described new wind inlet pipe is provided with new wind air-valve 26, and described mixing chamber 4 connects axial flow fan 5;
Described axial flow fan 5 is connected with the recycle airduct 6 hot blast of test being sent into room, laboratory, the end of described recycle airduct 6 is provided with air-supply damping orifice plate 7, it is blown to room, laboratory by air-supply damping orifice plate 7, even to meet the EAT of cooling air inlet temperature under change condition between environment temperature to 60 DEG C, ensure the performance test requirement of air cooler, can realize in the winter time or carry out the heat exchanger performance test of higher EAT under the lower condition of other temperature, technical performance index is high.
Described heating source 8 is for heating the air intake of the heat exchanger performance test requiring higher EAT.
The mean value that described temperature survey is drawn on rake sampler distribution cross section by sampling blower fan realizes.
Above embodiment has just set forth ultimate principle of the present utility model and characteristic; the utility model does not limit by above-mentioned example; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various change and change, and these changes and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1., for a cooling air circulation system for heat exchanger performance test, it comprises wind-tunnel, induced draft fan, mixing chamber, axial flow fan, recycle airduct and heating source, it is characterized in that,
Described wind-tunnel comprises inlet chamber, measures pipeline section and transitional pipe segment, the leading portion of described inlet chamber is provided with static pressure check point, rectification mixing arrangement, rear rake sampler and rear temperature sampling blower fan after workpiece, the back segment of described inlet chamber connects measures pipeline section, be provided with air flow rate detecting device in described measurement pipeline section, described measurement pipeline section connects induced draft fan by transitional pipe segment;
Described induced draft fan adopts variable-frequency motor to drive; It connects mixing chamber by connecting tube, and described connecting tube is provided with exhaust duct, described exhaust duct is provided with air draft air-valve;
Described mixing chamber is connected with new wind inlet pipe, described new wind inlet pipe is provided with new wind air-valve, and described mixing chamber connects axial flow fan;
Described axial flow fan is connected with the recycle airduct hot blast of test being sent into room, laboratory.
2. the cooling air circulation system for heat exchanger performance test according to claim 1, it is characterized in that, described cooling air circulation system also comprises the inlet flow device dolly for placing testpieces, described inlet flow device dolly is connected with the inlet chamber of wind-tunnel by disconnectable linkage section, and described inlet flow device dolly comprises vehicle frame, the bottom of described vehicle frame is provided with road wheel, and the top of described vehicle frame is provided with front static pressure check point, fairing, front rake sampler and front temperature sampling blower fan in the upstream of testpieces.
3. the cooling air circulation system for heat exchanger performance test according to claim 1 and 2, is characterized in that, the leading portion of described induced draft fan is provided with low discharge butterfly valve.
4. the cooling air circulation system for heat exchanger performance test according to claim 1 and 2, is characterized in that, the end of described recycle airduct is provided with air-supply damping orifice plate, and it is blown to room, laboratory by damping orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016628.0U CN204461777U (en) | 2015-01-09 | 2015-01-09 | A kind of cooling air circulation system for heat exchanger performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016628.0U CN204461777U (en) | 2015-01-09 | 2015-01-09 | A kind of cooling air circulation system for heat exchanger performance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204461777U true CN204461777U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520016628.0U Expired - Fee Related CN204461777U (en) | 2015-01-09 | 2015-01-09 | A kind of cooling air circulation system for heat exchanger performance test |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568489A (en) * | 2015-01-09 | 2015-04-29 | 无锡佳龙换热器股份有限公司 | Cooling air circulation system for performance test of heat exchanger |
| CN107505172A (en) * | 2017-08-21 | 2017-12-22 | 丁芸娉 | A kind of sampler for wind-warm syndrome test |
| CN109238624A (en) * | 2018-09-20 | 2019-01-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of mixing chamber for plasma wind tunnel |
-
2015
- 2015-01-09 CN CN201520016628.0U patent/CN204461777U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568489A (en) * | 2015-01-09 | 2015-04-29 | 无锡佳龙换热器股份有限公司 | Cooling air circulation system for performance test of heat exchanger |
| CN107505172A (en) * | 2017-08-21 | 2017-12-22 | 丁芸娉 | A kind of sampler for wind-warm syndrome test |
| CN109238624A (en) * | 2018-09-20 | 2019-01-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of mixing chamber for plasma wind tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160109 |