CN103398733A - Anti-blocking pressure guidance probe of wind speed and wind direction detection device - Google Patents
Anti-blocking pressure guidance probe of wind speed and wind direction detection device Download PDFInfo
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- CN103398733A CN103398733A CN2013103590913A CN201310359091A CN103398733A CN 103398733 A CN103398733 A CN 103398733A CN 2013103590913 A CN2013103590913 A CN 2013103590913A CN 201310359091 A CN201310359091 A CN 201310359091A CN 103398733 A CN103398733 A CN 103398733A
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- 239000000523 sample Substances 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 title abstract description 7
- 238000005070 sampling Methods 0.000 claims abstract description 33
- 210000002445 nipple Anatomy 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 11
- 238000005259 measurement Methods 0.000 abstract description 8
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- 230000000694 effects Effects 0.000 abstract description 6
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
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Abstract
The invention discloses an anti-blocking pressure guidance probe of a wind speed and wind direction detection device, which comprises two pressure guidance tubes used for sampling, wherein a diversion trench is formed in a flow passage of each pressure guidance tube. The structure that the diversion trenches are formed in the pressure guidance tubes is adopted, and condensate water is eliminated, so that complete surface tension is formed to enable condensate water to flow out along the diversion trenches; the anti-blocking pressure guidance probe has better effects of condensate water prevention and dust blocking prevention, and is suitable for severe occasions such as a coal mine for measurement of wind speed and wind direction. The structure is simple, and the resistance to influence of dust and vapor is strong, so that accuracy and stability of measurement of the wind speed and wind direction detection device can be guaranteed; the two pressure guidance tubes with identical structures are adopted, so that the anti-blocking pressure guidance probe can be used for bidirectional measurement, is flexible, convenient, simple in structure, and easy to machine and assemble, and saves the use cost.
Description
Technical field
The present invention relates to a kind of safe auxiliary device that is applicable under coal mine, particularly the anti-blocking impulse probe of a kind of wind speed, wind direction pick-up unit.
Background technology
Mine ventilation continuously is sent to down-hole to ground air exactly, continuously the down-hole vitiated air is discharged outside well simultaneously.Mine ventilation is the basis of Safety of Coal Mine Production, it not only has, and each carries fresh distinguished and admirable with the wind place to down-hole, ensure the critical function that underground operators is breathed, simultaneously, also have dilution, get rid of the functions such as cooling between mine gas and dust and operation area.Reasonably ventilating is the important means that suppresses coal nature and fire development, if but ventilating system is arranged unreasonable or miscarriage, with the main cause that causes exactly methane accumulation and spontaneous fire and cause gas, fire failure further to enlarge.Therefore the aeration technology and the level monitoring that improve mine are the bases that guarantees 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 guarantee work 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 uses comparatively constraint, underaction, and can not realize Bidirectional wind speed, wind direction measurement, the probe long-term work is subject to the dust influence of moisture, affects measuring accuracy; The rear sensor that the differential pressure type measuring principle occurs,, such as shrinking the tubular type air velocity transducer, still can not realize Bidirectional wind speed, wind direction Measurement accuracy.
Therefore, the anti-blocking impulse probe that needs a kind of wind speed, wind direction pick-up unit, be applicable to the extremely abominable occasion measuring wind of the conditions such as colliery and the impulse of wind direction, probe has condensate water-proof and dust preferably and stops up the effect of impulse passage, to guarantee that pick-up unit has higher measuring accuracy and stability, simple in structure, 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 extremely abominable occasion measuring wind of the conditions such as colliery and the impulse of wind direction, probe has condensate water-proof and dust preferably and stops up the effect of impulse passage, to guarantee that pick-up unit has higher measuring accuracy and stability, simple in structure, 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 that the pressure guiding pipe runner is provided with diversion trench for two pressure guiding pipes of sampling.
Further, described diversion trench axially arranges along pressure guiding pipe;
Further, described diversion trench radially runs through tube wall along pressure guiding pipe;
Further, also comprise the sampling bolster, this sampling bolster comprises in cushion chamber shell and buffering chamber enclosure two sampling cushion chambers that are separated to form; 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, it is open-ended that diversion trench is positioned at the air inlet of pressure guiding pipe;
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 in the cushion chamber shell with the form detachable-type sealed of end cap;
Further, one of them sampling cushion chamber is directly formed by the cushion chamber shell, and another sampling cushion chamber is formed by the pipe nipple inner chamber that is positioned at the cushion chamber shell, and this pipe nipple is sealed and along it, axially is pressed in the cushion chamber shell with extraneous by the pressure guiding pipe flange.
Beneficial effect of the present invention: the anti-blocking impulse probe of wind speed of the present invention, wind direction pick-up unit, adopt pressure guiding pipe to convince the structure of chute by patient analysis, eliminate condensate water and form complete surface tension, it is flowed out along diversion trench, have the effect that condensate water-proof and dust preferably stop up, be applicable to extremely abominable occasion measuring wind and the wind directions of condition such as colliery, due to the simplicity of structure, anti-dust steam capability of influence is strong, guaranteed measuring accuracy and the stability of wind speed, wind direction pick-up unit; Adopt two pressure guiding pipe structures identical, but bidirectional measurement during use, and flexible, simple in structure, process and assemble is easy, saves use cost.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
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 for two pressure guiding pipes of taking a sample (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 realize bidirectional sample, easy to use; During sampling, can set pressure guiding pipe I 6 and be the high pressure pressure guiding pipe, pressure guiding pipe II 7 is the low pressure pressure guiding pipe; Axially indication is the axial 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) axially arranges along pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7), is beneficial to 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) radially runs through tube wall along pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7); Easy to process, and further eliminate the surface tension of condensed fluid, and avoid dust to form and gather.
In the present embodiment, also comprise the sampling bolster, this sampling bolster comprises in cushion chamber shell and buffering chamber enclosure two the sampling cushion chambers (sampling cushion chamber I 3 and sampling cushion chamber II 4) that are separated to form; Two pressure guiding pipes (pressure guiding pipe I 6 and pressure guiding pipe II 7) are corresponding is 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 used for low pressure and high-pressure side gas are delivered to detection module, be the micro-pressure-difference element, be used for obtaining pressure reduction and finally obtain wind speed and wind direction parameter; Be provided with the sampling buffer unit, avoid pressure jump in sampling process, can suitably obtain cushioning the impact that the impulse medium causes, avoid condensate water and dust to directly act on pressure transducer, strengthen anti-dust steam capability of influence strong, guaranteed 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; It is open-ended that diversion trench (diversion trench 8 and diversion trench 9) is positioned at the air inlet of pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7); Be positioned at open-ended structure, the tampers such as condensate water are directly flowed out, avoid forming choked flow and stop up.
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 windward and detect, guarantee 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, the convenience of taking a sample while making two-way detection, diversion trench not only has the anti-blocking effect of water conservancy diversion, but also has the impulse effect, further guarantees the accuracy of measurement result.
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 in the cushion chamber shell with the form detachable-type sealed of end cap; The mode of sealing adopts the form of sealing gasket 11, and is simple in structure, 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 the cushion chamber shell, another sampling cushion chamber (sampling cushion chamber II 4) is formed by the pipe nipple inner chamber that is positioned at cushion chamber shell 5, and this pipe nipple is sealed and along it, axially is pressed in the cushion chamber shell with extraneous by pressure guiding pipe flange 10; Be that pressure guiding pipe flange 10 is connected in cushion chamber shell 5, pipe nipple is formed axle pressure, this axle pressure makes short circuit be fixed in cushion chamber shell 5 and compresses and extraneous sealing; This structure makes the cushion chamber I 3 of taking a sample consist of different parts with sampling cushion chamber II 3, and sealing is better relatively, not there will be the phenomenon of collaborating, and guarantees the accurate of result; As shown in the figure, two sections of short circuits form the shrinking neck type steps, and step is because pressure guiding pipe flange 10 pushes against the bolster inner walls, necking down respectively correspondence stretch out that bolster shell 5 is used for connecting pressure guiding pipe II 7 and by pipeline communication in three-way piece 9; Certainly, sampling cushion chamber I 3 directly is 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.
Explanation is finally, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. the anti-blocking impulse probe of a wind speed, wind direction pick-up unit, is characterized in that: comprise that the pressure guiding pipe runner is provided with diversion trench for two pressure guiding pipes of sampling.
2. the anti-blocking impulse of wind speed according to claim 1, wind direction pick-up unit is popped one's head in, and it is characterized in that: described diversion trench axially arranges along pressure guiding pipe.
3. the anti-blocking impulse of wind speed according to claim 2, wind direction pick-up unit is popped one's head in, and it is characterized in that: described diversion trench radially runs through tube wall along pressure guiding pipe.
4. the anti-blocking impulse of wind speed according to claim 3, wind direction pick-up unit is popped one's head in, and it is characterized in that: also comprise the sampling bolster, this sampling bolster comprises in cushion chamber shell and buffering chamber enclosure two sampling cushion chambers that are separated to form; Two pressure guiding pipe correspondences are communicated in two gas outlets by two sampling cushion chambers.
5. the anti-blocking impulse of wind speed according to claim 3, wind direction pick-up unit probe is characterized in that: be symmetrical arranged between two pressure guiding pipes, it is open-ended that diversion trench is positioned at the air inlet of pressure guiding pipe.
6. the anti-blocking impulse probe of wind speed according to claim 5, wind direction pick-up unit, is characterized in that: described pressure guiding pipe employing pitot tube structure, opposing bending between the end of two pressure guiding pipes.
7. the anti-blocking impulse probe of wind speed according to claim 6, wind direction pick-up unit, is characterized in that: radially opposing setting between the diversion trench of two pressure guiding pipes.
8. the anti-blocking impulse of wind speed according to claim 7, wind direction pick-up unit is popped one's head in, 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 in the cushion chamber shell with the form detachable-type sealed of end cap.
9. the anti-blocking impulse of wind speed according to claim 4, wind direction pick-up unit is popped one's head in, it is characterized in that: one of them sampling cushion chamber is directly formed by the cushion chamber shell, another sampling cushion chamber is formed by the pipe nipple inner chamber that is positioned at the cushion chamber shell, and this pipe nipple is sealed and along it, axially is pressed in the cushion chamber shell with extraneous by the pressure guiding pipe flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359091.3A CN103398733B (en) | 2013-08-16 | 2013-08-16 | The anti-blocking impulse probe of wind speed, wind direction pick-up unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310359091.3A CN103398733B (en) | 2013-08-16 | 2013-08-16 | The anti-blocking impulse probe of wind speed, wind direction pick-up unit |
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| CN103398733A true CN103398733A (en) | 2013-11-20 |
| CN103398733B CN103398733B (en) | 2016-01-13 |
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Cited By (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 |
| CN106370148A (en) * | 2016-08-29 | 2017-02-01 | 中煤科工集团重庆研究院有限公司 | Flexible air duct air supply state detection system and method based on acceleration sensor |
| CN108204836A (en) * | 2017-12-25 | 2018-06-26 | 宁波精致诚检测技术服务有限公司 | A kind of environmental monitoring case of Portable movable |
| CN110031048A (en) * | 2019-04-25 | 2019-07-19 | 淮安赛希尔自动化仪表有限公司 | A kind of differential pressure flowmeter differential pressure signal stable-pressure device |
| CN113866451A (en) * | 2021-12-06 | 2021-12-31 | 大同航源众诚动力科技有限公司 | Civil aircraft airspeed head self-separation protective sleeve |
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| 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 |
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2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3725087A1 (en) * | 1987-07-29 | 1989-02-09 | Sprenger Albin Kg | Dynamic pressure wind sensor (anemometer) for speed and direction |
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Cited By (8)
| 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 |
| CN106370148A (en) * | 2016-08-29 | 2017-02-01 | 中煤科工集团重庆研究院有限公司 | Flexible air duct air supply state detection system and method based on acceleration sensor |
| CN106370148B (en) * | 2016-08-29 | 2019-04-23 | 中煤科工集团重庆研究院有限公司 | Flexible air duct air feed condition detecting system and method are realized based on acceleration transducer |
| CN108204836A (en) * | 2017-12-25 | 2018-06-26 | 宁波精致诚检测技术服务有限公司 | A kind of environmental monitoring case of Portable movable |
| 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 |
| CN110031048A (en) * | 2019-04-25 | 2019-07-19 | 淮安赛希尔自动化仪表有限公司 | A kind of differential pressure flowmeter differential pressure signal stable-pressure device |
| 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 |
| CN113866451A (en) * | 2021-12-06 | 2021-12-31 | 大同航源众诚动力科技有限公司 | Civil aircraft airspeed head self-separation protective sleeve |
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| CN103398733B (en) | 2016-01-13 |
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