CN103245792B - Combined type equalizing pipe wind speed measuring element - Google Patents
Combined type equalizing pipe wind speed measuring element Download PDFInfo
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- CN103245792B CN103245792B CN201310115422.9A CN201310115422A CN103245792B CN 103245792 B CN103245792 B CN 103245792B CN 201310115422 A CN201310115422 A CN 201310115422A CN 103245792 B CN103245792 B CN 103245792B
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- pipe
- static pressure
- stopple coupon
- balance pipe
- dynamic
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- 230000003068 static effect Effects 0.000 claims abstract description 45
- 238000005070 sampling Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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Abstract
The invention discloses a combined type equalizing pipe wind speed measuring element and solves the technical problem that the wind pressure, wind speed and wind volume of a large-section air outlet are difficult to measure. The combined type equalizing pipe wind speed measuring element comprises a dynamic pressure equalizing pipe (1) and a static pressure equalizing pipe (3) which are arranged between a left bracket (7) and a right bracket (8) and are parallel to each other, wherein an L-shaped dynamic sampling pipe (2) is arranged on the dynamic pressure equalizing pipe (1); the port of the vertical sampling section pipe (10) of the L-shaped dynamic sampling pipe (2) faces the coming direction of a wind; four dynamic pressure small holes (18) are formed in the outer wall of the vertical sampling section pipe (10) at equal radian intervals; a half-square-shaped static pressure sampling pipe (4) is arranged on the static pressure equalizing pipe (3); four static pressure small holes (17) are formed in the wall of a vertical sampling section pipe (12) at equal radian intervals; and four to five L-shaped dynamic sampling pipes (2) are arranged on the dynamic pressure equalizing pipe (1) at equal intervals. The combined type equalizing pipe wind speed measuring element is particularly suitable for measuring the wind speeds under both average dynamic pressure and average static pressure among the cooling triangles of a direct air-cooling unit.
Description
Technical field
The present invention relates to a kind of measuring sensor that is applicable to the mobile gas blast of larger cross-section, wind speed, air quantity, particularly the measuring sensor of the blast to the outer top of the cooling triangle of direct air cooling system exhaust outlet, wind speed, air quantity.
Background technology
Blast, wind speed, air quantity are test parameters basic in aerodynamic system, to the mobile gas in heavy in section, obtain cross section flow comparatively accurately, must distribute and arrange a large amount of air velocity transducer and multichannel collecting system by certain grid, and adopt the method for point-to-point measurement because test period is long, simultaneity is poor, can not obtain satisfied test result.Particularly, for Direct Air-cooled Unit, the air output that accurately obtains cooling unit can be used for the cooling heat of computing system, and can make rational evaluation to the heat exchange property of air cooling heat radiator.Air cooling system air-out area is large, and only the draught area between two cooling triangles just reaches more than 100 square metres, and large-scale unit has tens cooling triangular units, and to air quantity, isoparametric measurement brings large area is very difficult.
Summary of the invention
The invention provides a kind of combined type balance pipe measuring wind speed element, solved blast, the wind speed of heavy in section air outlet, the technical matters of air measuring difficulty.
The present invention solves the problems of the technologies described above by the following technical programs:
A kind of combined type balance pipe measuring wind speed element, comprise left socle and right support, between left socle and right support, be provided with abreast dynamic pressure balance pipe and static pressure balance pipe, on dynamic pressure balance pipe, be provided with L shaped moving stopple coupon, the horizontal pressure transmission Duan Guanyu dynamic pressure balance pipe of L shaped moving stopple coupon is communicated with, the port of the vertical sampling section pipe of L shaped moving stopple coupon points to the direction of the wind comes from, the first-class radian of outer wall compartment of terrain at vertical sampling section pipe is provided with four dynamic pressure apertures, on static pressure balance pipe, be provided with half square shape static pressure stopple coupon, the vertical pressure transmission Duan Guanyu static pressure balance pipe of half square shape static pressure stopple coupon is communicated with, the horizontal pressure transmission section pipe of half square shape static pressure stopple coupon is to be arranged in parallel with the horizontal pressure transmission section pipe of L shaped moving stopple coupon, the vertical sampling section pipe of half square shape static pressure stopple coupon is to be arranged in parallel with the vertical sampling section pipe of L shaped moving stopple coupon, on the port of vertical sampling section pipe, be provided with semi-round ball shutoff, on the tube wall of vertical sampling section pipe, be uniformly-spaced provided with four static pressure apertures radian, on dynamic pressure balance pipe, be to be equally spaced provided with 4-5 L shaped moving stopple coupon, at upper 4-5 the half square shape static pressure stopple coupon of being equally spaced provided with.
One end at static pressure balance pipe is linked and is connected to the first three-way connection by spiral shell, is linked and is connected to the second three-way connection by another spiral shell in one end of dynamic pressure balance pipe.
The diameter of L shaped moving stopple coupon is 1:5-1:4 with the diameter ratio of dynamic pressure balance pipe; The length of horizontal pressure transmission section pipe is equal in length with vertical sampling section pipe, the length sum of the length vertical sampling section pipe of horizontal pressure transmission section pipe be L shaped moving stopple coupon diameter 10-15 doubly.
Applied range of the present invention, reliable working performance, cost performance is high, is specially adapted to average dynamic and static pressure between the cooling triangle of Direct Air-cooled Unit, wind speed test and ventilation calculating.
brief description of the drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of L shaped moving stopple coupon 2 of the present invention;
Fig. 3 is the structural representation of half square shape static pressure stopple coupon 4 of the present invention.
Embodiment
A kind of combined type balance pipe measuring wind speed element, comprise left socle 7 and right support 8, between left socle 7 and right support 8, be provided with abreast dynamic pressure balance pipe 1 and static pressure balance pipe 3, on dynamic pressure balance pipe 1, be provided with L shaped moving stopple coupon 2, the horizontal pressure transmission section pipe 9 of L shaped moving stopple coupon 2 is communicated with dynamic pressure balance pipe 1, the port of the vertical sampling section pipe 10 of L shaped moving stopple coupon 2 points to the direction of the wind comes from, the first-class radian of outer wall compartment of terrain at vertical sampling section pipe 10 is provided with four dynamic pressure apertures 18, on static pressure balance pipe 3, be provided with half square shape static pressure stopple coupon 4, the vertical pressure transmission section pipe 13 of half square shape static pressure stopple coupon 4 is communicated with static pressure balance pipe 3, the horizontal pressure transmission section pipe 11 of half square shape static pressure stopple coupon 4 is to be arranged in parallel with the horizontal pressure transmission section pipe 9 of L shaped moving stopple coupon 2, the vertical sampling section pipe 12 of half square shape static pressure stopple coupon 4 is to be arranged in parallel with the vertical sampling section pipe 10 of L shaped moving stopple coupon 2, on the port of vertical sampling section pipe 12, be provided with semi-round ball shutoff 16, on the tube wall of vertical sampling section pipe 12, be uniformly-spaced provided with four static pressure apertures 17 radian, on dynamic pressure balance pipe 1, be to be equally spaced provided with 4-5 L shaped moving stopple coupon 2, at upper 4-5 the half square shape static pressure stopple coupon 4 of being equally spaced provided with.
One end at static pressure balance pipe 3 is connected with the first three-way connection 5 by spiral shell button 14, is connected with the second three-way connection 6 in one end of dynamic pressure balance pipe 1 by another spiral shell button 15.
The diameter of L shaped moving stopple coupon 2 is 1:5-1:4 with the diameter ratio of dynamic pressure balance pipe 1; The length of horizontal pressure transmission section pipe 9 is equal in length with vertical sampling section pipe 10, the length sum of the length vertical sampling section pipe 10 of horizontal pressure transmission section pipe 9 be L shaped moving stopple coupon 2 diameter 10-15 doubly.
Stopple coupon of the present invention adopts and is evenly arranged on balance pipe, general number of sampling measures 5-10, form multiple spot and all press measurement, same dynamic pressure stopple coupon and static pressure stopple coupon are having the dislocation of 2-3 millimeter along its length, the space length of the end of dynamic pressure stopple coupon and static pressure stopple coupon is controlled between 3-5 millimeter, avoid the mutual interference of dynamic and static pressure stopple coupon hypotelorism phase, cross sampled point far away and departed from far away.
The present invention adopts balance pipe measuring method, can obtain the average dynamic and static pressure of measuring in length, and then calculate mean wind speed, air quantity.When practical application, can utilize multiple-pass joint to connect several measuring sensors the air-out mean parameter of a certain section is measured, also the measuring point air-out mean parameter that carries out a uniform section that distributes that reticulates capable of being combined is measured.Applied range of the present invention, reliable working performance, cost performance is high, is specially adapted to average dynamic and static pressure between the cooling triangle of Direct Air-cooled Unit, wind speed test and ventilation calculating.
Claims (2)
1. a combined type balance pipe measuring wind speed element, comprise left socle (7) and right support (8), between left socle (7) and right support (8), be provided with abreast dynamic pressure balance pipe (1) and static pressure balance pipe (3), it is characterized in that, on dynamic pressure balance pipe (1), be provided with L shaped moving stopple coupon (2), the horizontal pressure transmission section pipe (9) of L shaped moving stopple coupon (2) is communicated with dynamic pressure balance pipe (1), the port of the vertical sampling section pipe (10) of L shaped moving stopple coupon (2) points to the direction of the wind comes from, the first-class radian of outer wall compartment of terrain at vertical sampling section pipe (10) is provided with four dynamic pressure apertures (18), on static pressure balance pipe (3), be provided with half square shape static pressure stopple coupon (4), the vertical pressure transmission section pipe (13) of half square shape static pressure stopple coupon (4) is communicated with static pressure balance pipe (3), the horizontal pressure transmission section pipe (11) of half square shape static pressure stopple coupon (4) is to be arranged in parallel with the horizontal pressure transmission section pipe (9) of L shaped moving stopple coupon (2), the vertical sampling section pipe (12) of half square shape static pressure stopple coupon (4) is to be arranged in parallel with the vertical sampling section pipe (10) of L shaped moving stopple coupon (2), on the port of the vertical sampling section pipe (12) of half square shape static pressure stopple coupon (4), be provided with semi-round ball shutoff (16), on the tube wall of the vertical sampling section pipe (12) of half square shape static pressure stopple coupon (4), be uniformly-spaced provided with four static pressure apertures (17) radian, on dynamic pressure balance pipe (1), be to be equally spaced provided with 4-5 L shaped moving stopple coupon (2), on static pressure balance pipe (3), be equally spaced provided with 4-5 half square shape static pressure stopple coupon (4).
2. a kind of combined type balance pipe measuring wind speed element according to claim 1, it is characterized in that, one end at static pressure balance pipe (3) is connected with the first three-way connection (5) by spiral shell button (14), is connected with the second three-way connection (6) in one end of dynamic pressure balance pipe (1) by another spiral shell button (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310115422.9A CN103245792B (en) | 2013-04-06 | 2013-04-06 | Combined type equalizing pipe wind speed measuring element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310115422.9A CN103245792B (en) | 2013-04-06 | 2013-04-06 | Combined type equalizing pipe wind speed measuring element |
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| Publication Number | Publication Date |
|---|---|
| CN103245792A CN103245792A (en) | 2013-08-14 |
| CN103245792B true CN103245792B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310115422.9A Active CN103245792B (en) | 2013-04-06 | 2013-04-06 | Combined type equalizing pipe wind speed measuring element |
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| CN (1) | CN103245792B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222945A (en) * | 2015-09-07 | 2016-01-06 | 苏州莱测检测科技有限公司 | A kind of pipe interior segmentation wind pressure detection device |
| CN106225855B (en) * | 2016-07-14 | 2020-04-24 | 南京师范大学 | Combined flute-shaped pipe wind speed detection device |
| CN110131082B (en) * | 2019-05-22 | 2020-08-25 | 上汽通用汽车有限公司 | Method and system for detecting water inflow of engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680031B (en) * | 2011-05-31 | 2014-05-21 | 邯郸市康创电气有限公司 | Method for measuring fan delivery by static pressure difference |
| CN102495232A (en) * | 2011-12-19 | 2012-06-13 | 上海理工大学 | Portable air speed measuring apparatus of pipeline |
| CN102519703B (en) * | 2011-12-20 | 2014-12-10 | 上海显隆通风设备有限公司 | Air terminal air volume balance detection analog device and analog detecting method thereof |
| CN203224506U (en) * | 2013-04-06 | 2013-10-02 | 国家电网公司 | A combined-type wind speed measuring element using pressure balance pipes |
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