CN103398733B - Anti-blocking pressure-leading probe of wind speed and wind direction detection device - Google Patents
Anti-blocking pressure-leading probe of wind speed and wind direction detection device Download PDFInfo
- Publication number
- CN103398733B CN103398733B CN201310359091.3A CN201310359091A CN103398733B CN 103398733 B CN103398733 B CN 103398733B CN 201310359091 A CN201310359091 A CN 201310359091A CN 103398733 B CN103398733 B CN 103398733B
- Authority
- CN
- China
- Prior art keywords
- pressure guiding
- guiding pipe
- sampling
- cushion chamber
- diversion trench
- 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.)
- Active
Links
- 239000000523 sample Substances 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 title abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 35
- 210000002445 nipple Anatomy 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses an anti-blocking pressure guiding probe of a wind speed and wind direction detection device, which comprises two pressure guiding pipes for sampling, wherein a flow passage of the pressure guiding pipes is provided with a flow guide groove; the two pressure leading pipe structures are the same, so that bidirectional measurement can be realized during use, the device is flexible and convenient, the structure is simple, the processing and the assembly are easy, and the use cost is saved.
Description
Technical field
The present invention relates to a kind of safe auxiliary device being applicable to underground coal mine, particularly the anti-blocking impulse probe of a kind of wind speed, wind direction pick-up unit.
Background technology
Mine ventilation is continuously sent to down-hole ground air exactly, continuously down-hole vitiated air is discharged outside well simultaneously.Mine ventilation is the basis of Safety of Coal Mine Production, it not only has to the conveying of Ge Yongfeng place, down-hole fresh distinguished and admirable, ensure the critical function that underground operators is breathed, meanwhile, also there is the functions such as the cooling between dilution, eliminating mine gas and dust and operation area.Rational ventilation suppresses coal nature and the important means of fire development, if but the unreasonable or miscarriage of ventilating system layout, by cause methane accumulation and spontaneous fire exactly and cause gas, main cause that fire failure expands further.Therefore the aeration technology and the level monitoring that improve mine are the bases ensureing mine normal production and safety case, and wind speed, wind transducer are the Main Means of wind speed size and wind direction situation under monitor well, for ensureing that Safety of Coal Mine Production provides strong technical guarantee.The air velocity transducer of prior art adopts ultrasound wave vortex street principle mostly, and measurement means is comparatively single, and equipment use comparatively retrains, underaction, and can not realize Bidirectional wind speed, wind direction measurement, and probe long-term work is subject to dust influence of moisture, affects measuring accuracy; The rear sensor having occurred differential pressure type measuring principle, such as shrinks tubular type air velocity transducer, still can not realize Bidirectional wind speed, wind direction Measurement accuracy.
Therefore, need the anti-blocking impulse probe of a kind of wind speed, wind direction pick-up unit, be applicable to the impulse of the extremely severe occasion measuring wind of the conditions such as colliery and wind direction, probe has the effect of good condensate water-proof and dust blocking impulse passage, to ensure that pick-up unit has higher measuring accuracy and stability, structure is simple, and process and assemble is easy, saves use cost.
Summary of the invention
In view of this, the invention provides the anti-blocking impulse probe of a kind of wind speed, wind direction pick-up unit, be applicable to the impulse of the extremely severe occasion measuring wind of the conditions such as colliery and wind direction, probe has the effect of good condensate water-proof and dust blocking impulse passage, to ensure that pick-up unit has higher measuring accuracy and stability, structure is simple, and process and assemble is easy, saves use cost.
The anti-blocking impulse probe of wind speed of the present invention, wind direction pick-up unit, comprise two pressure guiding pipes for sampling, pressure guiding pipe runner is provided with diversion trench.
Further, described diversion trench is axially arranged along pressure guiding pipe;
Further, described diversion trench runs through tube wall along pressure guiding pipe radial direction;
Further, also comprise sampling bolster, this sampling bolster comprises two the sampling cushion chambers be separated to form in cushion chamber shell and buffering chamber enclosure; Two pressure guiding pipe correspondences are communicated in two gas outlets by two sampling cushion chambers;
Further, be symmetrical arranged between two pressure guiding pipes, the air inlet that diversion trench is positioned at pressure guiding pipe is open-ended;
Further, described pressure guiding pipe adopts pitot tube structure, opposing bending between the end of two pressure guiding pipes;
Further, radially opposing setting between the diversion trench of two pressure guiding pipes;
Further, two pressure guiding pipes are fixedly connected with or are integrally formed in same pressure guiding pipe flange, and this pressure guiding pipe flange is connected to cushion chamber shell with the form detachable-type sealed of end cap;
Further, one of them sampling cushion chamber is directly formed by cushion chamber shell, and another sampling cushion chamber is formed by the pipe nipple inner chamber being positioned at cushion chamber shell, and this pipe nipple is sealed by pressure guiding pipe flange with extraneous and be axially pressed in cushion chamber shell along it.
Beneficial effect of the present invention: the anti-blocking impulse probe of wind speed of the present invention, wind direction pick-up unit, pressure guiding pipe is adopted to convince the structure of chute by patient analysis, eliminate condensate water and form complete surface tension, it is made to flow out along diversion trench, there is the effect of good condensate water-proof and dust blocking, be applicable to the extremely severe occasion measuring wind of the conditions such as colliery and wind direction, due to the simplicity of structure, anti-dust steam capability of influence is strong, ensure that measuring accuracy and the stability of wind speed, wind direction pick-up unit; Adopt two pressure guiding pipe structures identical, can bidirectional measurement during use, flexibly and easily, structure is simple, and process and assemble is easy, saves use cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the side view of Fig. 1.
Embodiment
Fig. 1 is structural representation of the present invention, and Fig. 2 is the side view of Fig. 1; As shown in the figure: the anti-blocking impulse probe of wind speed of the present invention, wind direction pick-up unit, comprise two pressure guiding pipes for sampling (shown in figure, pressure guiding pipe I 6 and pressure guiding pipe II 7), described pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7) runner is provided with diversion trench (diversion trench 8 and diversion trench 9); Adopt two pressure guiding pipe structures, can bidirectional sample be realized, easy to use; During sampling, can set pressure guiding pipe I 6 for high pressure pressure guiding pipe, pressure guiding pipe II 7 is low pressure pressure guiding pipe; Axial indication is the axis of pressure guiding pipe, and namely air-flow is along the runner direction of pressure guiding pipe.
In the present embodiment, described diversion trench (diversion trench 8 and diversion trench 9) is axially arranged along pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7), is beneficial to and condensate water is drawn pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7).
In the present embodiment, described diversion trench (diversion trench 8 and diversion trench 9) runs through tube wall along pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7) radial direction; Easy to process, and eliminate the surface tension of condensed fluid further, and avoid dust formation to gather.
In the present embodiment, also comprise sampling bolster, this sampling bolster comprises two the sampling cushion chambers (sampling cushion chamber I 3 and sampling cushion chamber II 4) be separated to form in cushion chamber shell and buffering chamber enclosure; Two pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7) correspondences are communicated in two gas outlets (gas outlet 1 and gas outlet 2) by two sampling cushion chambers (sampling cushion chamber I 3 and sampling cushion chamber II 4), two gas outlets (gas outlet 1 and gas outlet 2) are for being delivered to detection module by low pressure and high side gas, i.e. micro-pressure-difference element, for obtaining pressure reduction and finally obtaining wind speed and wind direction parameter; Be provided with sampling buffer unit, pressure jump is avoided in sampling process, suitably can obtain the impact that buffering impulse medium causes, condensate water and dust is avoided to directly act on pressure transducer, strengthen anti-dust steam capability of influence strong, ensure that measuring accuracy and the stability of wind speed, wind direction pick-up unit.
In the present embodiment, be symmetrical arranged between two pressure guiding pipes (pressure guiding pipe I 6 and pressure guiding pipe II 7), be symmetrical arranged and be more conducive to two-way detection, be more conducive to two-way detection wind speed and direction; The air inlet that diversion trench (diversion trench 8 and diversion trench 9) is positioned at pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7) is open-ended; Be positioned at open-ended structure, the tampers such as condensate water can be made directly to flow out, avoid the formation of choked flow and block.
In the present embodiment, described pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7) adopts pitot tube structure, opposing bending between the end of two pressure guiding pipes (pressure guiding pipe I 6 and pressure guiding pipe II 7); Be beneficial to and detect windward, ensure the accuracy of sampling.
In the present embodiment, radially opposing setting between the diversion trench (diversion trench 8 and diversion trench 9) of two pressure guiding pipes (pressure guiding pipe I 6 and pressure guiding pipe II 7); Adopt the pressure guiding pipe of this structure, make the convenience sampled during two-way detection, diversion trench not only has the anti-blocking effect of water conservancy diversion, but also has impulse effect, ensures the accuracy of measurement result further.
In the present embodiment, two pressure guiding pipes (pressure guiding pipe I 6 and pressure guiding pipe II 7) are fixedly connected with or are integrally formed in same pressure guiding pipe flange 10, and the present embodiment adopts integrally formed, and this pressure guiding pipe flange is connected to cushion chamber shell with the form detachable-type sealed of end cap; The mode of sealing adopts the form of sealing gasket 11, and structure is simple, and sealing is reliable; This Demountable makes whole bolster globality strong, easy to maintenance.
In the present embodiment, one of them sampling cushion chamber (sampling cushion chamber I 3) is directly formed by cushion chamber shell, another sampling cushion chamber (sampling cushion chamber II 4) is formed by the pipe nipple inner chamber being positioned at cushion chamber shell 5, and this pipe nipple is sealed by pressure guiding pipe flange 10 with extraneous and be axially pressed in cushion chamber shell along it; Namely pressure guiding pipe flange 10 is connected to cushion chamber shell 5, forms axle pressure to pipe nipple, and this axle pressure makes short circuit be fixed on cushion chamber shell 5 and compress to seal with extraneous; This structure makes sampling cushion chamber I 3 and sampling cushion chamber II 3 be made up of different parts, and opposing seal is better, there will not be phenomenon of collaborating, and ensures the accurate of result; As shown in the figure, short circuit two sections forms shrinking neck type step, and step pushes against bolster inner walls due to pressure guiding pipe flange 10, necking down respectively correspondence stretch out bolster shell 5 for connect pressure guiding pipe II 7 and by pipeline communication in three-way piece 9; Certainly, sampling cushion chamber I 3 is directly communicated in pressure guiding pipe I 6 by pressure guiding pipe flange 10, and is positioned at gas outlet I 1 and is provided with joint.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (4)
1. the anti-blocking impulse probe of a wind speed, wind direction pick-up unit, it is characterized in that: comprise two pressure guiding pipes for sampling, pressure guiding pipe runner is provided with diversion trench, described diversion trench is axially arranged along pressure guiding pipe, described diversion trench runs through tube wall along pressure guiding pipe radial direction, be symmetrical arranged between two pressure guiding pipes, the air inlet that diversion trench is positioned at pressure guiding pipe is open-ended, radially opposing setting between the diversion trench of two pressure guiding pipes, also comprise sampling bolster, this sampling bolster comprises two the sampling cushion chambers be separated to form in cushion chamber shell and buffering chamber enclosure; Two pressure guiding pipe correspondences are communicated in two gas outlets by two sampling cushion chambers.
2. the anti-blocking impulse probe of wind speed according to claim 1, wind direction pick-up unit, is characterized in that: described pressure guiding pipe adopts pitot tube structure, opposing bending between the end of two pressure guiding pipes.
3. the anti-blocking impulse probe of wind speed according to claim 2, wind direction pick-up unit, it is characterized in that: two pressure guiding pipes are fixedly connected with or are integrally formed in same pressure guiding pipe flange, and this pressure guiding pipe flange is connected to cushion chamber shell with the form detachable-type sealed of end cap.
4. the anti-blocking impulse probe of wind speed according to claim 1, wind direction pick-up unit, it is characterized in that: one of them sampling cushion chamber is directly formed by cushion chamber shell, another sampling cushion chamber is formed by the pipe nipple inner chamber being positioned at cushion chamber shell, and this pipe nipple is sealed by pressure guiding pipe flange with extraneous and be axially pressed in cushion chamber shell along it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359091.3A CN103398733B (en) | 2013-08-16 | 2013-08-16 | Anti-blocking pressure-leading probe of wind speed and wind direction detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359091.3A CN103398733B (en) | 2013-08-16 | 2013-08-16 | Anti-blocking pressure-leading probe of wind speed and wind direction detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103398733A CN103398733A (en) | 2013-11-20 |
| CN103398733B true CN103398733B (en) | 2016-01-13 |
Family
ID=49562403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310359091.3A Active CN103398733B (en) | 2013-08-16 | 2013-08-16 | Anti-blocking pressure-leading probe of wind speed and wind direction detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103398733B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719707A (en) * | 2014-12-01 | 2016-06-29 | 上海核工程研究设计院 | Differential pressure measuring point layout structure in pressurized water reactor integral hydraulic simulation test |
| CN106370148B (en) * | 2016-08-29 | 2019-04-23 | 中煤科工集团重庆研究院有限公司 | System and method for realizing detection of air supply state of flexible air duct based on acceleration sensor |
| CN108204836B (en) * | 2017-12-25 | 2020-04-17 | 宁波精致诚检测技术服务有限公司 | Portable mobilizable environment monitoring case |
| CN110031048B (en) * | 2019-04-25 | 2021-05-18 | 淮安赛希尔自动化仪表有限公司 | Differential pressure signal voltage stabilizer of differential pressure flowmeter |
| CN113866451B (en) * | 2021-12-06 | 2022-02-18 | 大同航源众诚动力科技有限公司 | Civil aircraft airspeed head self-separation protective sleeve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3725087A1 (en) * | 1987-07-29 | 1989-02-09 | Sprenger Albin Kg | Dynamic pressure wind sensor (anemometer) for speed and direction |
| CN2399729Y (en) * | 1999-11-26 | 2000-10-04 | 中国科学院林业部兰州沙漠研究所 | Anti-sand wind speed profile pitot tube |
| CN2516944Y (en) * | 2001-12-25 | 2002-10-16 | 梁永 | Flow measuring device with Pitot tube |
| CN2757134Y (en) * | 2004-12-13 | 2006-02-08 | 阎玉祥 | Two-way pitot tube and its two-way flow speed sensor and train pipe through monitor |
| CN101551402A (en) * | 2009-03-20 | 2009-10-07 | 南京吉纳波环境测控有限公司 | Pitot tube used for fixing continuous and automatic monitoring system of pollution source fume |
| CN202075085U (en) * | 2011-05-23 | 2011-12-14 | 公安部上海消防研究所 | Bidirectional wind speed and total pressure measure apparatus |
-
2013
- 2013-08-16 CN CN201310359091.3A patent/CN103398733B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3725087A1 (en) * | 1987-07-29 | 1989-02-09 | Sprenger Albin Kg | Dynamic pressure wind sensor (anemometer) for speed and direction |
| CN2399729Y (en) * | 1999-11-26 | 2000-10-04 | 中国科学院林业部兰州沙漠研究所 | Anti-sand wind speed profile pitot tube |
| CN2516944Y (en) * | 2001-12-25 | 2002-10-16 | 梁永 | Flow measuring device with Pitot tube |
| CN2757134Y (en) * | 2004-12-13 | 2006-02-08 | 阎玉祥 | Two-way pitot tube and its two-way flow speed sensor and train pipe through monitor |
| CN101551402A (en) * | 2009-03-20 | 2009-10-07 | 南京吉纳波环境测控有限公司 | Pitot tube used for fixing continuous and automatic monitoring system of pollution source fume |
| CN202075085U (en) * | 2011-05-23 | 2011-12-14 | 公安部上海消防研究所 | Bidirectional wind speed and total pressure measure apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103398733A (en) | 2013-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103398733B (en) | Anti-blocking pressure-leading probe of wind speed and wind direction detection device | |
| CN104088669A (en) | Coal spontaneous combustion monitoring and early warning system for coal mine goaf | |
| CN109798151B (en) | Method for intelligently monitoring operation condition of gas extraction pipeline | |
| CN103032626B (en) | System and method for diagnosing fault of adjusting valve | |
| CN208187625U (en) | Anti-blocking device for pressure measurement suitable for wet flue gas pressure measurement | |
| CN205424434U (en) | Oil gas pipeline that can fix a position leaks alarm | |
| CN203547723U (en) | Air speed and air direction pressure guide probe | |
| CN201497527U (en) | Adaptively-mounted pressure-taking device for differential pressure type flowmeter | |
| CN103399171A (en) | Detecting device and method for bi-directionally measuring wind speed and wind direction | |
| CN205027722U (en) | Formula gas sampling monitoring devices is inhaled to pump | |
| CN201767010U (en) | Photoelectric signal detection device for pipeline at output terminal of cigarette filter rod transmitter | |
| CN209356528U (en) | A kind of miniaturization high temperature wind speed feeler lever | |
| CN203365459U (en) | Bidirectional wind speed and wind direction monitoring system | |
| CN106092220A (en) | Orifice flowmeter | |
| CN105927862A (en) | Method for acoustically monitoring blockage of gas extraction pipeline | |
| CN108593196A (en) | A kind of anti-blocking device for pressure measurement suitable for wet flue gas pressure measurement | |
| CN202599975U (en) | Portable dust-containing airflow air speed monitoring device | |
| CN204612858U (en) | Absorption tower demisting device differential pressure measuring installation | |
| CN209014064U (en) | A kind of flue gas measurement Special wear-resistant block-resistant type pitot tube flowmeter | |
| CN203489922U (en) | Gas turbine flowmeter | |
| CN207162136U (en) | A kind of underground pipeline detection means | |
| CN207763878U (en) | A kind of sampling line structure for measuring steam | |
| CN201503283U (en) | Gas blocking pressure measuring device of differential-pressure flow-meter | |
| CN104353331A (en) | Cooling and dehumidifying device for gas analyzer | |
| CN204556554U (en) | A kind of on-line water flushing device of pressurized air humidity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Department of City Road, Jiulongpo District, Chongqing city science and technology Erlang Metro 400039 No. 6 Applicant after: CCTEG CHONGQING RESEARCH INSTITUTE Co.,Ltd. Address before: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 6 Applicant before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |