CN204007745U - Pitot bar integrated mass flow meter - Google Patents
Pitot bar integrated mass flow meter Download PDFInfo
- Publication number
- CN204007745U CN204007745U CN201420474683.XU CN201420474683U CN204007745U CN 204007745 U CN204007745 U CN 204007745U CN 201420474683 U CN201420474683 U CN 201420474683U CN 204007745 U CN204007745 U CN 204007745U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- base
- connecting pipe
- drainage tube
- pitot
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a kind of Pitot bar integrated mass flow meter, comprise Pitot bar sensor, differential pressure transmitter and flow integrator, described Pitot bar sensor has pressure head, connecting pipe and pipeline base is installed, described connecting pipe is installed base through pipeline, described connecting pipe and pipeline are installed between base and are formed with annulus, also comprise the densitometer of measuring fluid-mixing density, densitometric input end is installed base by stopple coupon and described pipeline and is connected, and its signal output part is connected with the signal input part of described flow integrator; Also comprise the drainage tube that can extend in pipeline, this drainage tube is installed base through described pipeline, on drainage tube, be connected with temperature transmitter and pressure unit, temperature transmitter and the signal output part of pressure unit and the signal input part of described flow integrator are connected.The utility model can Measurement accuracy pipeline in the mass rate of fluid-mixing.
Description
Technical field
The utility model relates to a kind of Pitot bar mass flowmeter of measuring channel inner fluid mass rate, especially relates to the Pitot bar integrated mass flow meter of fluid-mixing mass rate in a kind of measuring channel.
Background technology
In the Pitot bar mass flowmeter structure that measuring channel inner fluid mass rate adopts at present, mainly comprise bi toba flow sensor, differential pressure transmitter and flow integrator, bi toba flow sensor has connecting pipe and pressure head, connecting pipe comprises ram-air pipe and static tube, the top of pressure head has pitot hole and baroport, the hypomere of pressure head is cylindricality joint, described pitot hole is communicated with described ram-air pipe by total head passage, baroport is communicated with described static tube by static pressure passage, described ram-air pipe is connected with the input end of described differential pressure transmitter with static tube, the signal output part of differential pressure transmitter is connected with the signal input part of described flow integrator, the Pitot bar mass flowmeter of said structure is only applicable to only have in measuring channel the mass rate of a kind of fluid and the pipeline inner fluid of fluid when normal temperature and pressure state, the Pitot bar mass flowmeter of said structure in use, bi toba flow sensor vertically inserts in pipeline from the sidewall of pipeline, allow the central point line of pitot hole and baroport on the axis of pipeline, pitot hole is facing to the flow path direction that comes of fluid, baroport is facing to the flow path direction that goes of fluid, when fluid flows in pipeline, total head and the static pressure of the fluid flowing in output channel respectively at the total head interface of connecting pipe upper end and static pressure interface, total head and static pressure with the fluid that flowing in pipeline, by fluid mechanics principle, can calculate the flow of pipeline inner fluid, according to the density at normal temperatures and pressures of the fluid in pipeline, finally can in flow integrator, calculate the mass rate of pipeline inner fluid and show on integrating instrument again.But in pipeline, flow be multiple fluid-mixing and when non-normal temperature and pressure state the Pitot bar mass flowmeter of said structure cannot Measurement accuracy pipeline in the mass rate of fluid-mixing.
Utility model content
The technical problems to be solved in the utility model is to provide the Pitot bar integrated mass flow meter of the multiple fluid-mixing mass rate under a kind of non-normal temperature and pressure state of flowing through in can Measurement accuracy pipeline.
For solving the problems of the technologies described above, the utility model Pitot bar integrated mass flow meter, comprise Pitot bar sensor, differential pressure transmitter and flow integrator, described Pitot bar sensor has pressure head, connecting pipe and pipeline base is installed, described connecting pipe is installed base through pipeline, described connecting pipe and pipeline are installed between base and are formed with annulus, also comprise the densitometer of measuring fluid-mixing density, densitometric input end is installed base by stopple coupon and described pipeline and is connected, and its signal output part is connected with the signal input part of described flow integrator; Also comprise the drainage tube that can extend in pipeline, this drainage tube is installed base through described pipeline, on drainage tube, be connected with temperature transmitter and pressure unit, temperature transmitter and the signal output part of pressure unit and the signal input part of described flow integrator are connected.
Adopt the Pitot bar integrated mass flow meter of said structure, while installing and using, need first on duct wall, to offer circular mounting hole, the radial dimension of mounting hole is larger than the lateral dimension sum of connecting pipe and the drainage tube of bi toba flow sensor, by pipeline, base being installed is contained in bi toba flow sensor on pipeline, connecting pipe and drainage tube are extend in pipeline, owing to being formed with annulus between the described connecting pipe in the utility model and pipeline installation base, also comprise the densitometer of measuring fluid-mixing density, densitometric input end is installed base by stopple coupon and described pipeline and is connected, its signal output part is connected with the signal input part of described flow integrator, adopt the annulus that in above-mentioned technical characterictic pipeline, mixed flow cognition is installed between base by connecting pipe and pipeline to enter into stopple coupon, and then described densitometer can measure the density under the normal temperature and pressure of fluid-mixing in pipeline and measurement result is input to described flow integrator, again owing to also comprising the drainage tube that can extend in pipeline, this drainage tube is installed base through described pipeline, on drainage tube, be connected with temperature transmitter and pressure unit, the signal output part of temperature transmitter and pressure unit is connected with the signal input part of described flow integrator, after adopting above-mentioned technical characterictic, can measure the warm accurate temperature and pressure that collaborates body in pipeline, and be input to flow integrator measuring structure, the final flow in conjunction with fluid-mixing in pipeline, density under fluid-mixing normal temperature and pressure, and with the actual temperature in pipeline and pressure by way of compensation, can in flow integrator, calculate the mass rate of fluid-mixing in pipeline.In sum, the utility model Pitot bar integrated mass flow meter can Measurement accuracy pipeline in the mass rate of fluid-mixing.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the office sectional structure schematic diagram of the utility model Pitot bar integrated mass flow meter while being arranged on pipeline.
Fig. 2 is the I place structure for amplifying schematic diagram of Fig. 1.
Fig. 3 is the II place structure for amplifying schematic diagram of Fig. 1.
Embodiment
Referring to Fig. 1-Fig. 3, the utility model discloses a kind of Pitot bar integrated mass flow meter, office's sectional structure schematic diagram when Fig. 1 shows the utility model and is arranged on pipeline, while installing and using, need on pipeline, offer a circular port 20, the radial dimension of circular port 20 is larger than the lateral dimension sum of connecting pipe 5 and the drainage tube 8 of bi toba flow sensor, can guarantee that like this fluid-mixing in pipeline enters in pipeline installation base smoothly.Structure of the present utility model mainly comprises Pitot bar sensor 1, differential pressure transmitter 2 and flow integrator 3, described Pitot bar sensor 1 has pressure 4, connecting pipe 5 and pipeline base 6 is installed, described connecting pipe 5 is installed base 6 through pipeline, described connecting pipe 5 and pipeline are installed between base 6 and are formed with annulus 7, also comprise the densitometer 11 of measuring fluid-mixing density, the input end of densitometer 11 is installed base 6 by stopple coupon 12 and described pipeline and is connected, and its signal output part is connected with the signal input part of described flow integrator 3; Also comprise the drainage tube 8 that can extend in pipeline, this drainage tube 8 is installed base 6 through described pipeline, on drainage tube 8, be connected with temperature transmitter 9 and pressure unit 10, the signal output part of temperature transmitter 9 and pressure unit 10 is connected with the signal input part of described flow integrator 3.
Claims (1)
1. a Pitot clings to integrated mass flow meter, comprise Pitot bar sensor (1), differential pressure transmitter (2) and flow integrator (3), described Pitot bar sensor (1) has pressure head (4), connecting pipe (5) and pipeline are installed base (6), described connecting pipe (5) is installed base (6) through pipeline, it is characterized in that: described connecting pipe (5) and pipeline are installed between base (6) and be formed with annulus (7), also comprise the densitometer (11) of measuring fluid-mixing density, the input end of densitometer (11) is installed base (6) by stopple coupon (12) and described pipeline and is connected, its signal output part is connected with the signal input part of described flow integrator (3), also comprise the drainage tube (8) that can extend in pipeline, this drainage tube (8) is installed base (6) through described pipeline, on drainage tube (8), be connected with temperature transmitter (9) and pressure unit (10), the signal output part of temperature transmitter (9) and pressure unit (10) is connected with the signal input part of described flow integrator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474683.XU CN204007745U (en) | 2014-08-22 | 2014-08-22 | Pitot bar integrated mass flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474683.XU CN204007745U (en) | 2014-08-22 | 2014-08-22 | Pitot bar integrated mass flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204007745U true CN204007745U (en) | 2014-12-10 |
Family
ID=52047728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420474683.XU Withdrawn - After Issue CN204007745U (en) | 2014-08-22 | 2014-08-22 | Pitot bar integrated mass flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204007745U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165664A (en) * | 2014-08-22 | 2014-11-26 | 辽宁毕托巴科技有限公司 | Pitot integrated mass flowmeter |
| CN105091967A (en) * | 2015-08-13 | 2015-11-25 | 辽宁聚焦科技有限公司 | Method for measuring flow through pipeline or obstacle in pipeline |
| CN107976222A (en) * | 2016-10-21 | 2018-05-01 | 中石化洛阳工程有限公司 | A kind of Pitot tube integrated gas mass flow measurement methods |
| CN110631648A (en) * | 2019-11-14 | 2019-12-31 | 上海权宥环保科技有限公司 | Sensor combined Pitotbar flowmeter |
-
2014
- 2014-08-22 CN CN201420474683.XU patent/CN204007745U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165664A (en) * | 2014-08-22 | 2014-11-26 | 辽宁毕托巴科技有限公司 | Pitot integrated mass flowmeter |
| CN104165664B (en) * | 2014-08-22 | 2017-06-20 | 辽宁毕托巴科技有限公司 | Pitot bar integrated mass flow meter |
| CN105091967A (en) * | 2015-08-13 | 2015-11-25 | 辽宁聚焦科技有限公司 | Method for measuring flow through pipeline or obstacle in pipeline |
| CN105091967B (en) * | 2015-08-13 | 2018-11-23 | 辽宁聚焦科技有限公司 | A kind of flow-measuring method using barrier in pipeline itself or pipeline |
| CN107976222A (en) * | 2016-10-21 | 2018-05-01 | 中石化洛阳工程有限公司 | A kind of Pitot tube integrated gas mass flow measurement methods |
| CN110631648A (en) * | 2019-11-14 | 2019-12-31 | 上海权宥环保科技有限公司 | Sensor combined Pitotbar flowmeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204007745U (en) | Pitot bar integrated mass flow meter | |
| CN101382445B (en) | Double differential pressure throttle moisture measuring device | |
| CN104165664A (en) | Pitot integrated mass flowmeter | |
| WO2011109233A3 (en) | Flow restriction insert for differential pressure measurement | |
| NO20111656A1 (en) | Beta ratio changes for flow painting devices | |
| CN200979430Y (en) | A flow measurement device for two-phase and three-media of gas-water-oil | |
| CN203364888U (en) | Differential pressure type flow sensor and flowmeter | |
| CN1936506A (en) | Small section branch-flow measuring method for large-diameter gas flow and apparatus thereof | |
| CN201444058U (en) | Multivariable pitot flow sensor | |
| CN201034644Y (en) | Annular pressure sampling type V awl flow rate sensor | |
| CN104792374B (en) | A kind of antifreeze differential pressure flowmeter | |
| CN205002806U (en) | Two flanges are got and are pressed balanced type flowmeter | |
| CN204439142U (en) | Low flow velocity, high precision pitot tube differential pressure flow sensor pressure head | |
| CN110631648A (en) | Sensor combined Pitotbar flowmeter | |
| CN110672166A (en) | Multi-point measurement Pitotbar flowmeter | |
| CN204902900U (en) | High temperature pitot crust flow sensor | |
| CN105387894A (en) | Bitobar flowmeter | |
| CN203772325U (en) | Integral pore plate flowmeter | |
| CN203011438U (en) | Gas-liquid two-phase flow pitotbar flow meter | |
| CN204461504U (en) | A kind of antifreeze differential pressure flowmeter | |
| CN203011440U (en) | Pitotbar flow sensor for liquid with air and impurities | |
| CN210400479U (en) | Sensor combined Pitotbar flowmeter | |
| CN204142299U (en) | A kind of temperature and pressure compensation integral type differential pressure flowmeter | |
| CN201897489U (en) | Mass flowmeter for integrated V-shaped cone | |
| CN204043727U (en) | A kind of pitot tube block-proof type flow sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161227 Address after: 200030 Shanghai city Xuhui District North Caoxi Road No. 88 sheng'ai building room 1909 Patentee after: Pitotbar (Shanghai) Technology Co., Ltd. Address before: 112600 Tieling City, Liaoning province Tieling Economic Development Zone Branch of Liaoning Maoshan pitotbar Technology Co. Ltd. Patentee before: Liaoning Pitotbar Technologies Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170510 Address after: 112000 Tieling City, Liaoning province Tieling Economic Development Zone Branch of Liaoning Maoshan pitotbar Technology Co. Ltd. Patentee after: Liaoning Pitotbar Technologies Co., Ltd. Address before: 200030 Shanghai city Xuhui District North Caoxi Road No. 88 sheng'ai building room 1909 Patentee before: Pitotbar (Shanghai) Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20170620 |