CN204439269U - A kind of T-shaped pitot tube - Google Patents
A kind of T-shaped pitot tube Download PDFInfo
- Publication number
- CN204439269U CN204439269U CN201520171174.4U CN201520171174U CN204439269U CN 204439269 U CN204439269 U CN 204439269U CN 201520171174 U CN201520171174 U CN 201520171174U CN 204439269 U CN204439269 U CN 204439269U
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- tube
- pitot
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- transverse tube
- transverse
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Abstract
The utility model discloses a kind of T-shaped pitot tube, comprise a transverse tube and a vertical tube, vertical tube is connected to the central lower of transverse tube, the two ends of transverse tube are pressure head, pressure head is trapezoidal shape, the two ends of transverse tube are respectively equipped with the pitot hole along transverse tube length direction, the both sides sidewall of transverse tube is respectively equipped with several baroports vertical with pitot hole, pitot hole does not communicate with baroport, the outlet of static pressure conduit to vertical tube is drawn from baroport, the outlet of stagnation pressure conduit to vertical tube is drawn from pitot hole end, the end of vertical tube is fixed with closure fange, aligning handle is fixed with at the sidewall of vertical tube.Two ends are equipped with pressure head, the technical matters that the existing pitot tube of good solution exists, Monitoring Data is comprehensive, and monitoring result precision is improved further, by installing particular accessories and Displaying Meter additional, can negative pressure, the malleation real time data of precise monitoring colliery cross section transverse industrial pipeline.
Description
Technical field
The utility model relates to a kind of piezometry and mining safety monitoring equipment of gas, particularly relates to the measuring equipment of the distinguished and admirable total head of the normal ventilating air to colliery cross section transverse industrial pipeline, inverted ventilation, static pressure and dynamic pressure.
Background technology
According to mine quality standardization and safe coefficient assessment requirement, main fan in mine should install monitoring system, comprise monitoring instrument instrument such as installing malleation meter, depressimeter and total head meter, in order to monitor the working order of chief ventilators and motor, ensure the needs of Safety of Coal Mine Production.At present, malleation meter, depressimeter and total head meter that coal mine is installed all are provided as L-type pitot tube, S type pitot tube, and to meet the Real-Time Monitoring requirement of malleation meter, depressimeter and total head meter simultaneously, the L-type pitot tube that existing system is equipped with at least needs two or more use that combines, pilot process needs manual change's test interface, the function of system on-line monitoring cannot be realized, troublesome poeration, inefficiency, duplication of labour intensity is large, frequent installation, causes a certain amount of pitot tube to waste.Separately, the S type pitot tube that existing system is equipped with, it is comparatively large that it measures static pressure deviation, and data precision cannot meet the standard-required surveying static pressure.
For these reasons, be necessary to design a kind of T-shaped pitot tube, make it efficient, accurately for the real-time measurement of the distinguished and admirable total head of the normal ventilating air of colliery cross section transverse industrial pipeline, inverted ventilation, static pressure and dynamic pressure.
Utility model content
In order to solve Problems existing in the monitorings such as existing colliery cross section transverse industrial pipeline malleation, negative pressure and total head, the utility model proposes a kind of T-shaped pitot tube, this device can be used for measuring the normal ventilating air of colliery cross section transverse industrial pipeline, inverted ventilation distinguished and admirable total head, static pressure and dynamic pressure data.The utility model has the features such as simple to operate, easy to use, one-step installation, cost are low, the technical matters that the existing pitot tube of good solution exists, and online monitoring data precision is improved further, by installing particular accessories and Displaying Meter additional, can negative pressure, the malleation real time data of precise monitoring colliery cross section transverse industrial pipeline.
The technical solution of the utility model comprises:
A kind of T-shaped pitot tube, comprise a transverse tube and a vertical tube, described vertical tube is connected to the central lower of described transverse tube, the two ends of described transverse tube are pressure head, described pressure head is trapezoidal shape, the two ends of described transverse tube are respectively equipped with the pitot hole along described transverse tube length direction, the both sides sidewall of described transverse tube is respectively equipped with several baroports vertical with pitot hole, described pitot hole does not communicate with described baroport, the outlet of static pressure conduit to described vertical tube is drawn from described baroport, the outlet of stagnation pressure conduit to described vertical tube is drawn from described pitot hole end, the end of described vertical tube is fixed with closure fange, aligning handle is fixed with at the sidewall of described vertical tube.
Further, aiming at handle is be fixed on cylindrical steel rod outside described vertical tube, bottom.
Further, the distance between baroport to described pressure head is greater than the 3-4 of described transverse tube diameter doubly.
Further, the distance between baroport to the vertical center line of described transverse tube is the diameter of 8-10 doubly described transverse tube.
Further, two sides of transverse tube all have the baroport described in 4-6 respectively.
Further, vertical tube, static pressure conduit and stagnation pressure conduit respectively with closure fange by being welded and fixed.
Further, stagnation pressure conduit is connected pressure instrumentataion with the end of static pressure conduit.
Aim at handle, for T-shaped pitot tube calibration and align.
The Advantageous Effects that the utility model brings:
A kind of T-shaped pitot tube, belongs to a kind of pressure measuring unit of gas, further belongs to the device in coal mine safety monitoring field.This device adopts T-type structure, two ends are respectively equipped with pressure head, described T-shaped pitot tube is when fixing, for measuring the normal ventilating air of colliery cross section transverse industrial pipeline, inverted ventilation distinguished and admirable total head, static pressure and dynamic pressure data, by installing particular accessories and Displaying Meter additional, can negative pressure, the malleation real time data of precise monitoring colliery cross section transverse industrial pipeline.
The beneficial outcomes that the utility model brings is: one-step installation, easy to operate, and testing efficiency is high; Test data is comprehensive, and precision is high; Structure is simple, low cost and other advantages, can be widely used in the normal ventilating air of colliery cross section transverse industrial pipeline that is a large amount of, frequent, that measure in real time, inverted ventilation distinguished and admirable total head, static pressure and dynamic pressure monitoring system, certain manpower and materials can be reduced, the test intensity of further liberation tester, reduce labour cost, by this device, the real-time measurement of colliery pipeline gas pressure and the safe on-line monitoring of main fan can be made to become possibility, to promotion mine quality standardization, information work, there is certain realistic meaning.
Accompanying drawing explanation
Below in conjunction with specific embodiment, clear complete explanation is further done to the utility model:
Accompanying drawing 1 is T-shaped pitot tube pressure measurement schematic diagram described in the utility model.
Accompanying drawing 2 is each ingredient structural representation of T-shaped pitot tube described in the utility model.
Accompanying drawing 3 be in the utility model accompanying drawing 2 A-A sentence under longitudinal sectional view.
Wherein: 1-pressure head, 2-transverse tube, 3-pitot hole, 4-baroport, 5-static pressure conduit, 6-stagnation pressure conduit, 7-vertical tube, 8-aims at handle, 9-closure fange.
Embodiment
The utility model proposes a kind of T-shaped pitot tube, in order to make the purpose of this utility model and advantage clearer, clear and definite, below with reference to specific embodiment, the utility model is further described.
With reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, a kind of T-shaped pitot tube, comprise a transverse tube 2 and a vertical tube 7, described vertical tube 7 is connected to the central lower of described transverse tube 2, the two ends of described transverse tube are pressure head, described pressure head is trapezoidal shape, the two ends of described transverse tube 2 are respectively equipped with the pitot hole 3 along described transverse tube length direction, the both sides sidewall of described transverse tube 2 is respectively equipped with several baroports vertical with described pitot hole 4, described pitot hole 3 does not communicate with described baroport 4, the outlet of static pressure conduit to described vertical tube 7 is drawn from described baroport 4, the outlet of stagnation pressure conduit to described vertical tube 7 is drawn from described pitot hole 3 end, the end of described vertical tube 7 is fixed with closure fange 9, be fixed with at the sidewall of described vertical tube 7 and aim at handle 8.
Further, handle 8 is aimed at for being fixed on cylindrical steel rod outside described vertical tube 7, bottom.
Further, the distance between baroport 4 to described pressure 1 is greater than the 3-4 of described transverse tube 2 diameter doubly.
Further, baroport 4 is the diameter of 8-10 doubly described transverse tube 2 to the distance between described transverse tube 2 vertically center line.
Further, two sides of transverse tube 2 all have the baroport 4 described in 4-6 respectively.
Further, vertical tube 7, static pressure conduit 5 and stagnation pressure conduit 6 and closure fange 9 described are respectively by being welded and fixed.
Further, stagnation pressure conduit 6 is connected pressure instrumentataion with the end of static pressure conduit 5.
Aim at handle 8, for described T-shaped pitot tube calibration and align.
The pressure instrumentataion used has differential pressure transmitter, flow integrator etc.
This T-shaped pitot tube, its pressure mode of operation is the same with existing pitot tube, energy Simultaneously test total head, static pressure, dynamic pressure, its special feature is that the two ends of described T-shaped pitot tube are equipped with pressure 1, can when T-shaped pitot tube be fixing, measure the distinguished and admirable total head of the normal ventilating air of colliery cross section transverse industrial pipeline, inverted ventilation, static pressure and dynamic pressure, by installing particular accessories and Displaying Meter additional, the negative pressure monitoring and the malleation that can be used for colliery cross section transverse industrial pipeline are monitored.
Utilize the concrete grammar of said apparatus pressure measurement as follows:
Said apparatus lie against cross section transverse industrial pipeline distinguished and admirable in, handle 8 is aimed in adjustment, make pitot hole 3 one just to wind direction, one back in wind direction, as shown in Figure 1, make baroport 4 perpendicular to wind direction, then with standing finish, closure fange 9 and external device are fixed, stagnation pressure conduit 6 is connected with other pressure tester such as U-tube by rubber hose with static pressure conduit 5, for measuring normal ventilating air and the distinguished and admirable total head of inverted ventilation, static pressure and dynamic pressure.
The above; be only the embodiment that the utility model patent is comparatively suitable for; but protection domain of the present utility model is not limited thereto, any various deformation making replacement, simple modification, request protection domain of the present utility model should be as the criterion with claims.
Claims (7)
1. a T-shaped pitot tube, it is characterized in that, comprise a transverse tube and a vertical tube, described vertical tube is connected to the central lower of described transverse tube, the two ends of described transverse tube are pressure head, described pressure head is trapezoidal shape, the two ends of described transverse tube are respectively equipped with the pitot hole along described transverse tube length direction, the both sides sidewall of described transverse tube is respectively equipped with several baroports vertical with described pitot hole, described pitot hole does not communicate with described baroport, the outlet of static pressure conduit to described vertical tube is drawn from described baroport, the outlet of stagnation pressure conduit to described vertical tube is drawn from described pitot hole end, the end of described vertical tube is fixed with closure fange, aligning handle is fixed with at the sidewall of described vertical tube.
2. T-shaped pitot tube as claimed in claim 1, is characterized in that, described aligning handle is be fixed on cylindrical steel rod outside described vertical tube, bottom.
3. T-shaped pitot tube as claimed in claim 1, is characterized in that, the distance from described baroport to described pressure head is greater than the 3-4 of described transverse tube diameter doubly.
4. the T-shaped pitot tube as described in claim 1 or 3, is characterized in that, the distance from described baroport to the vertical center line of described transverse tube is the diameter of 8-10 doubly described transverse tube.
5. the T-shaped pitot tube as described in claim 1 or 3, is characterized in that, two sides of described transverse tube all have the baroport described in 4-6 respectively.
6. the T-shaped pitot tube as described in as arbitrary in the claims 1-3, is characterized in that, described vertical tube, described static pressure conduit and described stagnation pressure conduit respectively with described closure fange by being welded and fixed.
7. the T-shaped pitot tube as described in as arbitrary in the claims 1-3, it is characterized in that, described stagnation pressure conduit is connected pressure instrumentataion with the end of described static pressure conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171174.4U CN204439269U (en) | 2015-03-25 | 2015-03-25 | A kind of T-shaped pitot tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171174.4U CN204439269U (en) | 2015-03-25 | 2015-03-25 | A kind of T-shaped pitot tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204439269U true CN204439269U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520171174.4U Expired - Fee Related CN204439269U (en) | 2015-03-25 | 2015-03-25 | A kind of T-shaped pitot tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204439269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370343A (en) * | 2016-09-07 | 2017-02-01 | 中南大学 | Blower fan feature multipoint pressure synchronous measurement test system |
| CN114829829A (en) * | 2019-12-17 | 2022-07-29 | 宝马股份公司 | Pressure vessel system and energy supply device |
-
2015
- 2015-03-25 CN CN201520171174.4U patent/CN204439269U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370343A (en) * | 2016-09-07 | 2017-02-01 | 中南大学 | Blower fan feature multipoint pressure synchronous measurement test system |
| CN106370343B (en) * | 2016-09-07 | 2019-04-30 | 中南大学 | Fan characteristic multipoint pressure synchro measure test macro |
| CN114829829A (en) * | 2019-12-17 | 2022-07-29 | 宝马股份公司 | Pressure vessel system and energy supply device |
| CN114829829B (en) * | 2019-12-17 | 2023-11-28 | 宝马股份公司 | Pressure vessel system and energy supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20190325 |