CN207688441U - Wind column rectifying device of wind condition test equipment - Google Patents

Wind column rectifying device of wind condition test equipment Download PDF

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Publication number
CN207688441U
CN207688441U CN201721613017.XU CN201721613017U CN207688441U CN 207688441 U CN207688441 U CN 207688441U CN 201721613017 U CN201721613017 U CN 201721613017U CN 207688441 U CN207688441 U CN 207688441U
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CN
China
Prior art keywords
wind
baffle liner
pipeline
test equipment
interior
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201721613017.XU
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Chinese (zh)
Inventor
高文学
于乘麟
王立权
蒲诚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Sure Automation Control Equipment Manufacturing Co ltd
North China Municipal Engineering Design and Research Institute Co Ltd
Original Assignee
Tianjin Sure Automation Control Equipment Manufacturing Co ltd
North China Municipal Engineering Design and Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Sure Automation Control Equipment Manufacturing Co ltd, North China Municipal Engineering Design and Research Institute Co Ltd filed Critical Tianjin Sure Automation Control Equipment Manufacturing Co ltd
Priority to CN201721613017.XU priority Critical patent/CN207688441U/en
Application granted granted Critical
Publication of CN207688441U publication Critical patent/CN207688441U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a windy state test equipment wind post fairing, include: pipeline fan and pipeline, the air intake department of pipeline is equipped with outer water conservancy diversion circle, and the macrostoma end of outer water conservancy diversion circle is connected with pipeline fan, and the osculum end of outer water conservancy diversion circle is connected with the macrostoma end of interior water conservancy diversion circle, and outer water conservancy diversion circle is equipped with the clearance with interior water conservancy diversion circle junction, is equipped with central fairing and rectification straight tube from interior to exterior in the pipeline in proper order, and the osculum end of interior water conservancy diversion circle is connected with the one end of rectification straight tube, and a tip part of central fairing is located in the osculum end of interior water conservancy. The utility model can lead the wind speed of each point of the cross section of the produced wind post which is 900cm away from the air outlet to be uniform, the error is less than +/-10 percent, and the requirement of the test method specified by the standard is met; the structure is compact, the power requirement on the used pipeline fan is several times less than that of the existing similar equipment, a large amount of power resources are saved, and meanwhile, the noise of a laboratory is reduced.

Description

One kind having wind condition test equipment wind column fairing
Technical field
The utility model is related to a kind of gas heaters and gas-heating water heater wind condition test equipment, especially relate to And a kind of gas heater and gas-heating water heater have the wind column fairing installed in wind condition test equipment.
Background technology
GB25034《Gas-heating water heater》Middle requirement must do under windy condition the detection of gas-heating water heater Operation test;Experimental condition requires testing equipment that can generate " a cylinder of the about long a diameter of 60cm of 90cm/ in the front end of wind Shape ".And wind speed can reach 12.5m/s, precision ± 10%;Also require it is distinguished and admirable should be parallel, no residual rotation.
To meet the above experimental condition, existing testing equipment is all mounted with huge air-flow at the air outlet of wind turbine The air-flow rectification length of pipe section of rectification pipeline section, some detection devices is more than 5.5 meters.Because test method must be in plane in regulation 0 °, 45 °, 90 ° of angle and standing to angle is done experiment for 0 °+30 °, -30 ° respectively, and detected heating stove must right angle setting use, i.e., When doing the experiment of different angle, it is necessary to huge detection device, and so huge rectification pipeline section are installed in tall and big room, The maximum wind velocity at its wind column section center or even is several times as much as edge wind speed also much larger than the wind speed at wind column section edge.Therefore exist Some domestic national testing agencies, are all not carried out the detection for doing wind state to gas-heating water heater according to standard.
Invention content
In order to solve the above technical problems, the utility model, which provides one kind, wind condition test equipment wind column fairing, symbol Test method requirement as defined in standardization.
To achieve the goals above, the technical solution of the utility model is:
One kind having wind condition test equipment wind column fairing, including:Pipeline fan and pipeline, the air inlet of the pipeline Place is equipped with outer baffle liner, and the big opening end of the outer baffle liner connect with the pipeline fan, the osculum end of the outer baffle liner and The big opening end of interior baffle liner connects, and the outer baffle liner is equipped with gap with the interior baffle liner junction, and the pipeline is interior by interior To center flow regulating barrels and rectification straight tube is equipped with successively outside, the osculum end of the interior baffle liner and one end of the rectification straight tube connect It connects, the one end of the center flow regulating barrels is divided into the osculum end of the interior baffle liner.
Preferably, one end that the center flow regulating barrels are communicated with the interior baffle liner is tapered end face.
Preferably, the tapered end face is set in the osculum end of the interior baffle liner completely.
Preferably, aperture is equipped at the center of the tapered end face.
Preferably, injection fiaring cone is equipped at the air outlet of the pipeline.
Preferably, the outer baffle liner is connect with the interior baffle liner by gap holder, makes the outer baffle liner and institute Stating interior baffle liner junction, there are gaps.
Preferably, the center flow regulating barrels are connect with the rectification straight tube by small rack.
Preferably, the rectification straight tube is connect with the pipeline by big holder.
Preferably, the inner wall of the pipe is equipped with quieter material.
The utility model has the advantages and positive effects of:
1, the utility model is by being arranged gap and aperture, and allowing airflow into pipeline, to be divided into outer shroud low velocity wind column, center low Fast wind column and cyclic annular high speed winds column, since there are outer shroud low velocity wind column and center low speed wind on the outside of cyclic annular high speed winds column and inside Column makes the generation for reducing vortex when high speed flow forward, expansion drastically will not occur;
2, the utility model exit is equipped with injection fiaring cone, and air-flow at air outlet is made to be flowed to central axial direction, into One step has fettered expanding outwardly for wind column;
3, the above collective effect can make the wind speed that the wind column of generation leaves section each point at air outlet 900cm uniform Unanimously, error is less than ± 10%, complies with standard defined test method requirement;
4, wind column fairing provided by the utility model is compact-sized, the small several times of the existing same category of device of volume ratio, one As laboratory can install and use;
5, wind column fairing provided by the utility model is less than the power requirement of the pipeline fan used existing similar The several times of equipment save a large amount of electric power resource, while also just reducing the noise in laboratory.
Description of the drawings
Fig. 1 shows the structural schematic diagrams of one embodiment of the utility model
In figure:
1, pipeline fan 2, outer baffle liner 3, interior baffle liner
4, injection fiaring cone 5, air outlet 6, rectification straight tube
7, pipeline 8, center flow regulating barrels 9, gap
10, aperture
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, under Face is made a kind of specific implementation mode of the utility model in conjunction with attached drawing and being illustrated, and described embodiment is that this practicality is new Type a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present embodiment provides one kind wind condition test equipment wind column fairing, includes as shown in Figure 1:Pipeline fan 1 With pipeline 7,7 air inlet of pipeline is equipped with outer baffle liner 2, and the big opening end of outer baffle liner is connect with pipeline fan, outer baffle liner Osculum end is connect with the big opening end of interior baffle liner 3, and outer baffle liner is equipped with gap 9 with interior baffle liner junction, is made into pipeline Air-flow sub-fraction enters the annulus between pipeline and rectification straight tube by gap, since gap is smaller, so generate Outer shroud wind column speed is relatively low;It is equipped with center flow regulating barrels 8 and rectification straight tube 6, the osculum of interior baffle liner in pipeline successively from the inside to the outside End is connect with one end of rectification straight tube, and most of air-flow into pipeline is made directly to enter rectification straight tube at a high speed;Center flow regulating barrels The one end communicated with interior baffle liner is tapered end face, and tapered end face is set in the osculum end of interior baffle liner completely, tapered end face Aperture 10 is equipped at center, since center rectifying tube is located in rectification straight tube, it is whole that fraction air-flow can enter center by aperture Flow cartridge, since orifice size is smaller, so wind speed is smaller, so the central air post speed generated is relatively low;At the air outlet 5 of pipeline Equipped with injection fiaring cone 4, is conducive to exit wind column to center flow, reduces wind column and expand outwardly.Outer baffle liner and interior water conservancy diversion Circle is connected by gap holder, and making outer baffle liner, there are gaps with interior baffle liner junction.Center flow regulating barrels are logical with rectification straight tube Cross small rack connection.Rectification straight tube is connect with pipeline by big holder.Gap holder, small rack and/or big holder are U-shaped or Z Shape, general holder are welded on outer barrel, and inner cylinder is fixed with bolt and nut and holder, structure as defined in every realization connection, It is not limited only to rack form.
By adjusting the gap between outer baffle liner 2 and interior baffle liner 3, can adjust into pipeline 7 and center flow regulating barrels 8 Between annulus air volume;By the diameter for changing the aperture of 8 end face of center flow regulating barrels, thus it is possible to vary enter center The air force of flow regulating barrels 8 makes to reach test requirements document in the wind speed for reaching each point at the section of air outlet predetermined distance The concrete numerical value of wind speed, and section each point wind speed uniformity, gap 9 and aperture 10 can require specific according to different tests Design.To be further reduced noise, quieter material is equipped in inner wall of the pipe.
When experiment, pipeline fan provides the air quantity of enough wind pressure to pipeline, and the air velocity that pipeline fan 1 sprays is very high, The wind column of pipeline exit is easy to expand outwardly since circulation area becomes larger suddenly if being directly entered pipeline, and wind column dies down, The utility model can effectively solve the problems, such as this, in use, after high-speed flow flows through outer baffle liner and interior baffle liner guiding, one is small Fraction enters the annulus between pipeline and rectification straight tube by the gap between outer baffle liner and interior baffle liner, is formed One outer shroud low velocity wind column;In addition sub-fraction air-flow enters from the aperture of center flow regulating barrels end face in the flow regulating barrels of center, is formed One center low speed wind column;Most of air-flow enters the annulus between rectification straight tube and center flow regulating barrels, forms a height Fast ring-type wind column.This wind column is when leaving the outlet of rectification straight tube, since there is Tongfang in the outside of high-speed annular wind column and inside To the air-flow of flowing, not generating vortex, high-speed annular wind column caused by negative pressure substantially, urgency will not occur in quick flow forward Acute expansion, and wind speed at entire wind column section can be made to tend to be uniform partly to spreading outside to inside.Wind column is when leaving air outlet Because the effect of the injection fiaring cone outside air outlet generates the effect to the jet flow of central axial direction, further beam Expanding outwardly for cyclic annular wind column is tied up.The annular wind column quickly flowed is in flow process, by smoothly inwardly or outwardly expanding , reach apart from air outlet 900cm apart from when, basically formed a solid round wind column, and in this section Place, from the axle center of wind column to the edge of wind column, the wind speed of each point is substantially uniform consistent, and error is less than ± 10%.
Pipeline fan power used in the utility model is reduced to 4.5 kilowatts by original tens kilowatts, saves a large amount of Electric power resource.
The utility model allows airflow into pipeline and is divided into outer shroud low velocity wind column, center low speed by the way that gap and aperture is arranged Wind column and cyclic annular high speed winds column, since there are outer shroud low velocity wind column and center low speed wind column on the outside of cyclic annular high speed winds column and inside, Make the generation for reducing vortex when high speed flow forward, expansion drastically will not occur;It is whole that the utility model exit is equipped with injection Flow cone makes air-flow at air outlet be flowed to central axial direction, has further fettered expanding outwardly for wind column;The above common work With, the wind speed uniformity for the section each point that the wind column of generation leaves at air outlet 900cm, error can be made to be less than ± 10%, Test method requirement as defined in complying with standard;Wind column fairing provided by the utility model is compact-sized, and volume ratio is existing same The small several times of class equipment can be installed and used in general laboratory;Wind column fairing provided by the utility model is to using Pipeline fan power requirement be less than existing same category of device several times, save a large amount of electric power resource, while also just reducing The noise in laboratory.
In the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, and for the ordinary skill in the art, can understand above-mentioned term with concrete condition Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplified description for ease of description, specific side must be had by not indicating or implying the indicated device Position, therefore should not be understood as limiting the present invention.
Embodiment described above, only specific embodiment of the present utility model, to illustrate the technology of the utility model Scheme, rather than its limitations, the scope of protection of the utility model are not limited thereto, although with reference to the foregoing embodiments to this practicality It is novel to be described in detail, it will be understood by those of ordinary skill in the art that:Any technology people for being familiar with the art Member within the technical scope disclosed by the utility model, can still modify to the technical solution recorded in previous embodiment Or variation or equivalent replacement of some of the technical features can be readily occurred in;And these modifications, variation or replacement, The spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution should all cover at this Within the protection domain of utility model.Therefore, the scope of protection of the utility model is answered described is with scope of the claims It is accurate.

Claims (9)

1. one kind having wind condition test equipment wind column fairing, including:Pipeline fan and pipeline, the air inlet of the pipeline Equipped with outer baffle liner, the big opening end of the outer baffle liner is connect with the pipeline fan, the osculum end of the outer baffle liner with it is interior The big opening end of baffle liner connects, and the outer baffle liner and the interior baffle liner junction are equipped with gap, in the pipeline by it is interior extremely It is equipped with center flow regulating barrels and rectification straight tube successively outside, the osculum end of the interior baffle liner is connect with one end of the rectification straight tube, The one end of the center flow regulating barrels is divided into the osculum end of the interior baffle liner.
2. according to claim 1 have wind condition test equipment wind column fairing, it is characterised in that:The center rectification One end that cylinder is communicated with the interior baffle liner is tapered end face.
3. according to claim 2 have wind condition test equipment wind column fairing, it is characterised in that:The tapered end face It is set in the osculum end of the interior baffle liner completely.
4. according to claim 3 have wind condition test equipment wind column fairing, it is characterised in that:The tapered end face Center at be equipped with aperture.
5. according to claim 4 have wind condition test equipment wind column fairing, it is characterised in that:The pipeline goes out Injection fiaring cone is equipped at air port.
6. according to any one of claims 1 to 4 have wind condition test equipment wind column fairing, it is characterised in that:Institute It states outer baffle liner to connect by gap holder with the interior baffle liner, the outer baffle liner is made to be stayed with the interior baffle liner junction There is gap.
7. according to claim 6 have wind condition test equipment wind column fairing, it is characterised in that:The center rectification Cylinder is connect with the rectification straight tube by small rack.
8. according to claim 7 have wind condition test equipment wind column fairing, it is characterised in that:The rectification straight tube It is connect by big holder with the pipeline.
9. according to claim 1 have wind condition test equipment wind column fairing, it is characterised in that:The inner wall of the pipe Equipped with quieter material.
CN201721613017.XU 2017-11-28 2017-11-28 Wind column rectifying device of wind condition test equipment Withdrawn - After Issue CN207688441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721613017.XU CN207688441U (en) 2017-11-28 2017-11-28 Wind column rectifying device of wind condition test equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721613017.XU CN207688441U (en) 2017-11-28 2017-11-28 Wind column rectifying device of wind condition test equipment

Publications (1)

Publication Number Publication Date
CN207688441U true CN207688441U (en) 2018-08-03

Family

ID=62999428

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721613017.XU Withdrawn - After Issue CN207688441U (en) 2017-11-28 2017-11-28 Wind column rectifying device of wind condition test equipment

Country Status (1)

Country Link
CN (1) CN207688441U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108106014A (en) * 2017-11-28 2018-06-01 天津市迅尔自控设备制造有限公司 Wind column rectifying device of wind condition test equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108106014A (en) * 2017-11-28 2018-06-01 天津市迅尔自控设备制造有限公司 Wind column rectifying device of wind condition test equipment
CN108106014B (en) * 2017-11-28 2024-03-01 天津思睿德自动化科技有限公司 Wind column rectifying device of wind state test equipment

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AV01 Patent right actively abandoned
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Granted publication date: 20180803

Effective date of abandoning: 20240301

AV01 Patent right actively abandoned

Granted publication date: 20180803

Effective date of abandoning: 20240301