CN203704986U - High-precision inserting type multi-dimensional sensing flowmeter - Google Patents
High-precision inserting type multi-dimensional sensing flowmeter Download PDFInfo
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- CN203704986U CN203704986U CN201420069471.3U CN201420069471U CN203704986U CN 203704986 U CN203704986 U CN 203704986U CN 201420069471 U CN201420069471 U CN 201420069471U CN 203704986 U CN203704986 U CN 203704986U
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- sensing probe
- dimensional sensing
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Abstract
The utility model discloses a high-precision inserting type multi-dimensional sensing flowmeter. A multi-dimensional sensing probe (1) is connected with an integrating instrument (3) through a differential pressure transmitter (2) to integrally form the high-precision inserting type multi-dimensional sensing flowmeter. The multi-dimensional sensing probe (1) comprises a shell (4) which is in a bullet cross section shape, and a high-pressure cavity (5) and a low-pressure cavity (6) are independently arranged in the shell (4). A plurality of pairs of high pressure taps (7) which are arrayed according to a log-linear method are formed in the shell wall of the front end of the high-pressure cavity (5), and a plurality of pairs of low pressure taps (8) which are arrayed according to the log-linear method are formed in the shell walls on the two sides of the low-pressure cavity (6). According to the high-precision inserting type multi-dimensional sensing flowmeter, the probe in the bullet cross section shape is used, the sets of pressure taps are used for measuring the flow velocity profiles of fluid in pipelines throughout the diameters of all the pipelines through multi-dimensional sensing, the average flow velocity of the fluid is truly reflected, and meanwhile the defect that a uniform-velocity pipe flowmeter only with one pressure tap can be plugged easily is overcome.
Description
Technical field
The utility model relates to flowmeter, is specifically related to a kind of high precision plug-in type multidimensional sensing flow meter.
Background technology
As everyone knows, common differential flowmeter is all that single-point samples certain representative value and replaces mean value, but in practical application, the field conditions such as pipeline, environment are complicated and changeable, and replacing mean flow rate with the mean value of any is accurately impossible.
Summary of the invention
The purpose of this utility model is: a kind of high precision plug-in type multidimensional sensing flow meter is provided, adopt bullet cross section shape probe, by the fluid velocity profile of organizing pressure port more and record by multidimensional sensing fluid in pipeline, spread all over whole pipe diameters, truly reflect the mean flow rate of fluid, avoid only adopting the susceptible to plugging drawback of mean velocity tube flowmeter of a pressure port simultaneously.
Technical solution of the present utility model is: this flowmeter is made up of multidimensional sensing probe, differential pressure transmitter and integrating instrument, the top of multidimensional sensing probe connects differential pressure transmitter, differential pressure transmitter connects integrating instrument, and entirety forms high precision plug-in type multidimensional sensing flow meter; It is characterized in that: described multidimensional sensing probe comprises the housing of bullet cross section shape, in housing, set up independently high pressure chest and low pressure chamber separately, on the front end shell wall of high pressure chest, press the multipair high pressure pressure port that log-linear measurement is arranged, on the both sides housing wall of low pressure chamber, press the multipair low pressure pressure port that log-linear measurement is arranged; Multidimensional sensing probe inserts in pipeline, forms high static pressure district at probe front end, forms low-pressure area in probe both sides, forms accumulation of impurities district in probe rear end.
Wherein, the housing wall of the high pressure chest of multidimensional sensing probe adopts roughening processing, and the housing wall of the low pressure chamber to multidimensional sensing probe adopts smoothing processing, the silt groove of setting up defences between uneven surface and shiny surface on housing wall.
The utlity model has following advantage: 1, multidimensional sensing probe adopts the housing of bullet cross section shape, on housing, arrange multipair pressure port by log-linear measurement, form multi-dimensional force sensing by multipair pressure port, the full flow of three dimensions Fx, Fy, Fz, the information of all one's effort can be detected; 2, in multidimensional sensing probe housing, set up independently high pressure chest and low pressure chamber separately, signal seepage is avoided in two-chamber design, improves multidimensional sensing probe structural strength, keeps long-term high precision; 3, multidimensional sensing probe inserts in pipeline, form high static pressure district at probe front end, form low-pressure area in probe both sides, form accumulation of impurities district in probe rear end, make the high pressure pressure port can be not blocked, low pressure pressure port probe dual-side between fluid and probe separation point away from the eddy current region of fluctuating, fluid is tiltedly plunderred and the out-of-date low pressure pressure port of having protected can not be plunderred from detecting head surface, the impact of avoiding low pressure pressure port fluctuateed by accumulation of impurities district eddy current; 4, the housing wall of the high pressure chest of multidimensional sensing probe adopts roughening processing, the housing wall of the low pressure chamber to multidimensional sensing probe adopts smoothing processing, the silt groove of setting up defences between uneven surface and shiny surface on housing wall, can reduce fluid draw power, the measuring accuracy while improving low flow velocity; 5, multidimensional sensing probe adopts the housing of bullet cross section shape, can produce accurate pressure distribution, fixing point of flow separation, generate stable differential pressure signal, pipeline crushing is reduced greatly, in flow measurement, kept high precision, high strength and wide range ratio, measuring accuracy is ± 0.5%, and range ratio is greater than 20:1.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the multidimensional sensing probe schematic diagram of Fig. 1.
Fig. 3 is the multidimensional sensing probe measuring state schematic diagram of Fig. 2.
In figure: 1 multidimensional sensing probe, 2 differential pressure transmitters, 3 integrating instruments, 4 housings, 5 high pressure chests, 6 low pressure chamber, 7 high pressure pressure ports, 8 low pressure pressure ports, 9 anti-silting grooves, 10 high static pressure districts, 11 low-pressure areas, 12 accumulation of impurities districts.
Embodiment
As Figure 1-3, this flowmeter is made up of multidimensional sensing probe 1, differential pressure transmitter 2 and integrating instrument 3, and the top of multidimensional sensing probe 1 connects differential pressure transmitter 2, and differential pressure transmitter 2 connects integrating instrument 3, and entirety forms high precision plug-in type multidimensional sensing flow meter; It is characterized in that: described multidimensional sensing probe 1 comprises the housing 4 of bullet cross section shape, in housing 4, set up independently high pressure chest 5 and low pressure chamber 6 separately, on the front end shell wall of high pressure chest 5, press the multipair high pressure pressure port 7 that log-linear measurement is arranged, on the both sides housing wall of low pressure chamber 6, press the multipair low pressure pressure port 8 that log-linear measurement is arranged; Multidimensional sensing probe inserts in pipeline, forms high static pressure district 10 at probe front end, forms low-pressure area 11 in probe both sides, forms accumulation of impurities district 12 in probe rear end.
Wherein, the housing wall of the high pressure chest 5 of multidimensional sensing probe adopts roughening processing, and the housing wall of the low pressure chamber 6 to multidimensional sensing probe adopts smoothing processing, the silt groove 9 of setting up defences between uneven surface and shiny surface on housing wall.
Claims (2)
1. high precision plug-in type multidimensional sensing flow meter, this flowmeter is made up of multidimensional sensing probe (1), differential pressure transmitter (2) and integrating instrument (3), the top of multidimensional sensing probe (1) connects differential pressure transmitter (2), differential pressure transmitter (2) connects integrating instrument (3), and entirety forms high precision plug-in type multidimensional sensing flow meter; It is characterized in that: described multidimensional sensing probe (1) comprises the housing (4) of bullet cross section shape, in housing (4), set up independently high pressure chest (5) and low pressure chamber (6) separately, on the front end shell wall of high pressure chest (5), press the multipair high pressure pressure port (7) that log-linear measurement is arranged, on the both sides housing wall of low pressure chamber (6), press the multipair low pressure pressure port (8) that log-linear measurement is arranged; Multidimensional sensing probe inserts in pipeline, forms high static pressure district (10) at probe front end, forms low-pressure area (11) in probe both sides, forms accumulation of impurities district (12) in probe rear end.
2. high precision plug-in type multidimensional sensing flow meter according to claim 1, it is characterized in that: the housing wall of the high pressure chest (5) of multidimensional sensing probe adopts roughening processing, the housing wall of the low pressure chamber (6) to multidimensional sensing probe adopts smoothing processing, the silt groove (9) of setting up defences between uneven surface and shiny surface on housing wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069471.3U CN203704986U (en) | 2014-02-18 | 2014-02-18 | High-precision inserting type multi-dimensional sensing flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069471.3U CN203704986U (en) | 2014-02-18 | 2014-02-18 | High-precision inserting type multi-dimensional sensing flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203704986U true CN203704986U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420069471.3U Expired - Fee Related CN203704986U (en) | 2014-02-18 | 2014-02-18 | High-precision inserting type multi-dimensional sensing flowmeter |
Country Status (1)
| Country | Link |
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| CN (1) | CN203704986U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546603A (en) * | 2015-09-17 | 2016-05-04 | 宁波方太厨具有限公司 | Range hood and wind speed and wind pressure sensor for range hood |
| CN105841756A (en) * | 2016-03-21 | 2016-08-10 | 上海晓秋自动化工程有限公司 | Pressure difference flow detection head and application thereof |
| CN111157060A (en) * | 2020-01-07 | 2020-05-15 | 常州大学 | Pipeline flow meter, measuring system and measuring method |
| CN113324601A (en) * | 2021-04-23 | 2021-08-31 | 中国北方车辆研究所 | Vehicle-mounted embedded liquid flowmeter |
| CN114199325A (en) * | 2020-09-17 | 2022-03-18 | 北京强度环境研究所 | Angle self-adaptive uniform-velocity tube flowmeter |
-
2014
- 2014-02-18 CN CN201420069471.3U patent/CN203704986U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546603A (en) * | 2015-09-17 | 2016-05-04 | 宁波方太厨具有限公司 | Range hood and wind speed and wind pressure sensor for range hood |
| CN105546603B (en) * | 2015-09-17 | 2018-08-07 | 宁波方太厨具有限公司 | Wind speed and pressure sensor and range hood for range hood |
| CN105841756A (en) * | 2016-03-21 | 2016-08-10 | 上海晓秋自动化工程有限公司 | Pressure difference flow detection head and application thereof |
| CN111157060A (en) * | 2020-01-07 | 2020-05-15 | 常州大学 | Pipeline flow meter, measuring system and measuring method |
| CN111157060B (en) * | 2020-01-07 | 2022-02-11 | 常州大学 | Pipeline flow meter, measuring system and measuring method |
| CN114199325A (en) * | 2020-09-17 | 2022-03-18 | 北京强度环境研究所 | Angle self-adaptive uniform-velocity tube flowmeter |
| CN113324601A (en) * | 2021-04-23 | 2021-08-31 | 中国北方车辆研究所 | Vehicle-mounted embedded liquid flowmeter |
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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: 20140709 Termination date: 20210218 |