CN203547723U - Air speed and air direction pressure guide probe - Google Patents
Air speed and air direction pressure guide probe Download PDFInfo
- Publication number
- CN203547723U CN203547723U CN201320504598.9U CN201320504598U CN203547723U CN 203547723 U CN203547723 U CN 203547723U CN 201320504598 U CN201320504598 U CN 201320504598U CN 203547723 U CN203547723 U CN 203547723U
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- pressure guiding
- sampling
- guiding pipe
- wind speed
- wind direction
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Abstract
The utility model discloses an air speed and air direction pressure guide probe which comprises a pressure guide part and a sampling buffer part, wherein the pressure guide part is used for sampling, and the sampling buffer part is communicated with the pressure guide part and used for buffering. By the aid of a sampling buffering structure, sudden change of pressure is avoided in the sampling process, impact caused by buffering pressure guide media can be properly obtained, and condensation water and dust cannot directly act to a pressure sensor. The air speed and air direction pressure guide probe is simple in structure and high in dust and moisture resistance, and measuring accuracy and stability of an air speed and air direction device are ensured.
Description
Technical field
The utility model relates to a kind of safe ancillary service being applicable under coal mine, particularly a kind of wind speed, wind direction impulse probe.
Background technology
Mine ventilation is continuously sent to down-hole ground air exactly, continuously down-hole foul atmosphere 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 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 ventilation system is arranged unreasonable or miscarriage, by the main cause that causes exactly methane accumulation and spontaneous fire and cause gas, fire incident further to expand.Therefore the aeration technology and the level monitoring that improve mine are the bases that guarantees mine normal production and safe condition, 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 ultrasonic wave vortex street principle mostly, measurement means is comparatively single, equipment is used comparatively constraint, underaction, and can not realize Bidirectional wind speed, wind direction measurement, probe long-term work is subject to dust influence of moisture, and impulse passage is shorter, do not there is pooling feature, be easy to stop up and cut pressure instability, affect certainty of measurement; The rear sensor that occurs differential pressure type measuring principle, such as shrinking tubular type air velocity transducer, still can not realize Bidirectional wind speed, wind direction Measurement accuracy.
Therefore, need a kind of wind speed, wind direction impulse probe, be applicable to the extremely severe occasion measuring wind of the conditions such as colliery and the impulse of wind direction, probe has the effect of good anti-clogging impulse passage, impulse is slowly accurate, to guarantee that checkout gear has higher certainty of measurement and stability, simple in structure, process and assemble is easy, saves use cost.
Utility model content
In view of this, the utility model provides a kind of wind speed, wind direction impulse probe, be applicable to the extremely severe occasion measuring wind of the conditions such as colliery and the impulse of wind direction, probe has the effect of good anti-clogging impulse passage, impulse is slowly accurate, to guarantee that checkout gear has higher certainty of measurement and stability, simple in structure, process and assemble is easy, saves use cost.
Wind speed of the present utility model, wind direction impulse probe, comprise the impulse part for sampling and be communicated with the sampling bolster for cushioning with impulse part.
Further, described impulse part is two pressure guiding pipes, and pressure guiding pipe runner is provided with guiding gutter;
Further, the guiding gutter of described pressure guiding pipe arranges vertically;
Further, between two pressure guiding pipes, be symmetrical arranged, it is open-ended that guiding gutter is positioned at the air inlet of pressure guiding pipe;
Further, described guiding gutter radially runs through tube wall along pressure guiding pipe;
Further, described sampling bolster comprises two sampling cushion chambers that are separated to form in cushion chamber shell and buffering chamber enclosure, and two sampling cushion chambers are respectively equipped with gas outlet; Two pressure guiding pipe correspondences are communicated in two gas outlets by two sampling cushion chambers;
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 guiding gutter 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 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 that is positioned at cushion chamber shell, and this pipe nipple is sealed and is axially pressed in cushion chamber shell along it with extraneous by pressure guiding pipe flange.
The beneficial effects of the utility model: wind speed of the present utility model, wind direction impulse probe, adopt the structure of sampling buffering, in sampling process, avoid pressure jump, can suitably obtain cushioning the impact that impulse medium causes, avoid condensed water and dust to directly act on pressure sensor, and due to the simplicity of structure, anti-dust steam capability of influence is strong, guaranteed certainty of measurement and the stability of wind speed, wind direction checkout gear.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is the lateral view of Fig. 1.
The specific embodiment
Fig. 1 is the utility model structural representation, the lateral view that Fig. 2 is Fig. 1; As shown in the figure: wind speed of the present utility model, wind direction impulse probe, comprise the impulse part for sampling and be communicated with the sampling bolster for cushioning with impulse part; Impulse part can be impulse mouth, pressure guiding pipe etc., and sampling bolster can be cavity structure or longer pipeline configuration.
In the present embodiment, described impulse part is two pressure guiding pipes (shown in figure, pressure guiding pipe I 6 and pressure guiding pipe II 7), and pressure guiding pipe runner is provided with guiding gutter (guiding gutter 8 and guiding gutter 9); Eliminate condensed water and form complete surface tension, it is flowed out along guiding gutter, there is the effect that good condensate water-proof and dust stop up, be applicable to the conditions such as colliery extremely severe occasion measuring wind and wind direction; Adopt two pressure guiding pipe structures identical, can bidirectional measurement during use, flexible, simple in structure, process and assemble is easy, saves use cost.
In the present embodiment, the guiding gutter (guiding gutter 8 and guiding gutter 9) of described pressure guiding pipe (pressure guiding pipe I 6 and pressure guiding pipe II 7) arranges vertically; Adopt two pressure guiding pipe structures, can realize bidirectional sample, 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; What axially indication was pressure guiding pipe is axial, and namely air-flow is along the runner direction of pressure guiding pipe.
In the present embodiment, described guiding gutter (guiding gutter 8 and guiding gutter 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 condensate liquid, and avoid dust to form and gather.
In the present embodiment, sampling bolster comprises two the sampling cushion chambers (sampling cushion chamber I 3 and sampling cushion chamber II 4) that are separated to form in cushion chamber shell and buffering chamber enclosure; 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 for being delivered to detection module by low pressure and high-pressure side gas, be micro-pressure-difference element, for obtaining pressure reduction and finally obtaining wind speed and wind direction parameter; Be provided with sampling buffer unit, can cushion and form steady sampling to air pressure, guarantee the accuracy of final result.
In the present embodiment, between two pressure guiding pipes (pressure guiding pipe I 6 and pressure guiding pipe II 7), be symmetrical arranged, 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 guiding gutter (guiding gutter 8 and guiding gutter 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, can make the obstructions such as condensed water directly flow 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 guiding gutter (guiding gutter 8 and guiding gutter 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 sampling while making two-way detection, guiding gutter not only has the anti-blocking effect of water conservancy diversion, but also has 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 cushion chamber shell with the form detachable-type sealed of end cap; The mode of sealing adopts the form of sealing mat 11, 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 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 is axially pressed in cushion chamber shell along it 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 to axial compression, this axial compression makes short circuit be fixed on cushion chamber shell 5 and compresses and extraneous sealing; This structure makes to sample cushion chamber I 3 and sampling cushion chamber II 3 consists of different parts, and sealing is better relatively, there will not be the phenomenon of collaborating, and guarantees the accurate of result; As shown in the figure, two sections of short circuits form shrinking neck type steps, and step is because pressure guiding pipe flange 10 pushes against bolster inner walls, 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.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. a wind speed, wind direction impulse are popped one's head in, and it is characterized in that: comprise the impulse part for sampling and be communicated with the sampling bolster for cushioning with impulse part; Described impulse part is two pressure guiding pipes, and pressure guiding pipe runner is provided with guiding gutter.
2. wind speed according to claim 1, wind direction impulse probe, is characterized in that: the guiding gutter of described pressure guiding pipe arranges vertically.
3. wind speed according to claim 2, wind direction impulse probe, is characterized in that: between two pressure guiding pipes, be symmetrical arranged, it is open-ended that guiding gutter is positioned at the air inlet of pressure guiding pipe.
4. wind speed according to claim 3, wind direction impulse probe, is characterized in that: described guiding gutter radially runs through tube wall along pressure guiding pipe.
5. wind speed according to claim 4, wind direction impulse probe, is characterized in that: described sampling bolster comprises two sampling cushion chambers that are separated to form in cushion chamber shell and buffering chamber enclosure, and two sampling cushion chambers are respectively equipped with gas outlet; Two pressure guiding pipe correspondences are communicated in two gas outlets by two sampling cushion chambers.
6. wind speed according to claim 5, wind direction impulse probe, is characterized in that: described pressure guiding pipe adopts Pitot tube structure, opposing bending between the end of two pressure guiding pipes.
7. wind speed according to claim 6, wind direction impulse probe, is characterized in that: radially opposing setting between the guiding gutter of two pressure guiding pipes.
8. wind speed according to claim 7, wind direction impulse probe, 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 cushion chamber shell with the form detachable-type sealed of end cap.
9. wind speed according to claim 8, wind direction impulse are popped one's head in, 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 that is positioned at cushion chamber shell, and this pipe nipple is sealed and is axially pressed in cushion chamber shell along it with extraneous by pressure guiding pipe flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504598.9U CN203547723U (en) | 2013-08-16 | 2013-08-16 | Air speed and air direction pressure guide probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504598.9U CN203547723U (en) | 2013-08-16 | 2013-08-16 | Air speed and air direction pressure guide probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547723U true CN203547723U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320504598.9U Expired - Lifetime CN203547723U (en) | 2013-08-16 | 2013-08-16 | Air speed and air direction pressure guide probe |
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| Country | Link |
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| CN (1) | CN203547723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000741A (en) * | 2018-06-06 | 2018-12-14 | 胡国勇 | Voltage data acquisition device and method are prevented and treated for FSS engineering fire |
| CN115932187A (en) * | 2023-03-13 | 2023-04-07 | 北京中育种猪有限责任公司 | Plant humidity detection device based on humidity sensor |
-
2013
- 2013-08-16 CN CN201320504598.9U patent/CN203547723U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000741A (en) * | 2018-06-06 | 2018-12-14 | 胡国勇 | Voltage data acquisition device and method are prevented and treated for FSS engineering fire |
| CN115932187A (en) * | 2023-03-13 | 2023-04-07 | 北京中育种猪有限责任公司 | Plant humidity detection device based on humidity sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
|
| CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CHONGQING RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Address before: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 6 Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |