CN102052939B - Novel turbine volumetric flowmeter with high precision - Google Patents
Novel turbine volumetric flowmeter with high precision Download PDFInfo
- Publication number
- CN102052939B CN102052939B CN2009102122445A CN200910212244A CN102052939B CN 102052939 B CN102052939 B CN 102052939B CN 2009102122445 A CN2009102122445 A CN 2009102122445A CN 200910212244 A CN200910212244 A CN 200910212244A CN 102052939 B CN102052939 B CN 102052939B
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- turbine
- high precision
- rotor body
- volumeter
- flowmeter
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 206010069747 Burkholderia mallei infection Diseases 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a novel turbine volumetric flowmeter with high precision, comprising a shell, lock nuts, two guide cylinders, a sensor, bearings, a turbine rotor body, a magnet steel, a large lead deep groove and a large helical turbine piece. The shell is H-shaped, and the two guide cylinders are connected with the shell by the lock nuts. One end of each guide cylinder is connected with the lock nuts, and the other end of each guide cylinder is connected with the bearings. The sensor is arranged at the middle part of the shell, and the bearings are arranged at the two ends of the large lead deep groove. The turbine rotor body is arranged at the outside of the large lead deep groove, the magnet steel is arranged on the turbine rotor body, and the large helical turbine piece is arranged in the large lead deep groove. Compared with the prior art, the flowmeter provided by the invention integrates the advantages of the velocity type flowmeter and the advantages of volumetric flowmeter, has the characteristics of simple structure, less pressure loss, high sensitivity, low cost, good stability, high precision, less purity requirement for media, and no requirement for the front and rear straight pipes of the flowmeter in the installation process, and can measure the instantaneous flow and the accumulated flow.
Description
Technical field
The present invention relates to a kind of flowmeter, especially relate to a kind of novel high-precision turbine volumeter.
Background technology
Flow instrument is to be used to measure the instrument that flows through the total amount (but also claiming integrated flux) of cross-section of pipeline in liquid (or gas) in the closed conduct flows through cross-section of pipeline in the unit interval amount (claim not only instantaneous delivery) and certain period.
Flow instrument divides two big types in principle both at home and abroad at present: one type is called the speed mode instrument; Count the typical case with turbine flow; A rotor is often arranged in this instrument, promote the rotor rotation when fluid flows through instrument, obtain the rotor gyro frequency through sensor; This frequency is directly proportional with the speed that fluid flows through cross-section of pipeline, obtains the instantaneous delivery that fluid flows in pipeline thus.This meter sensitivity is high, and the pressure loss is little, and is simple in structure, with low cost.But because the rotor of itself, therefore bearing arrangement has relatively high expectations to the degree of purity of medium, promptly can not contain a bit impurity in the medium, otherwise rotor will be stuck.This instrument can only be applied to water, and milk and finished product wet goods medium can not be applied to a large amount of media that contain impurity (such as former wet goods) that use on the commercial production.Long-term in addition use can make rotor, bearing wear, and instrument coefficient changes, the instrument poor stability.The velocity distribution of this instrument convection cell on cross-section of pipeline is very responsive; Therefore in order to guarantee measurement verification and the actual consistance of using; Often require the instrument front and back that the straight length of certain-length is arranged, this brings very big trouble for installation, design in actual the use.
Claim the positive displacement instrument for second type, with rotz flowmeter, oval gear flowmeter is representative, in this instrument measurement chamber is arranged; After flow is filled measurement chamber, through the cavity rotation, the chamber inner fluid is flowed to downstream, so measure the flow total amount that the measurement chamber number of revolutions can obtain to flow to through instrument downstream; Therefore the positive displacement instrument measurement is integrated flux, and this metering instrument precision is higher, good stability; Lower to the requirement of medium degree of purity, but complex structure, and cost is quite high; The pressure loss is big, and sensitivity is lower, and instrument structure is huge.
Summary of the invention
The object of the invention is exactly the novel high-precision turbine volumeter that a kind of simple in structure, highly sensitive, good stability is provided in order to overcome the defective that above-mentioned prior art exists.
The object of the invention can be realized through following technical scheme:
A kind of novel high-precision turbine volumeter is characterized in that, this flowmeter comprises housing, set nut, guide shell, sensor, bearing, turbine rotor body, magnet steel, big helical pitch deep trouth and king bolt turbine wheel; Described housing is " H " type; Described set nut is connected guide shell on the housing, and described guide shell has two, and this guide shell one end connects set nut; Other end connection bearing; Described sensor is located at the housing middle part, and described bearing is located at the two ends of big helical pitch deep trouth, and described turbine rotor body is located at the outside of big helical pitch deep trouth; Described magnet steel is located on the turbine rotor body, and it is inner that described king bolt turbine wheel is located at big helical pitch deep trouth.
The end face of described novel high-precision turbine volumeter is the turbine shape.
The straight length requirement of the unmatched back of described novel high-precision turbine volumeter.
Described king bolt turbine wheel adopts the rotary power of the blade of turbine form as the turbine rotor body.
Compared with prior art, the present invention has the advantage of speed mode instrument and positive displacement instrument simultaneously concurrently, has abandoned the shortcoming of two types of instrument simultaneously, and its advantage is following:
(1) simple in structure, highly sensitive, with low cost;
There is not the straight length requirement of instrument front and back when (2) installing;
(3) pressure loss is little;
(4) require low to the medium degree of purity;
(5) high precision;
(6) can measure instantaneous delivery;
(7) can measure integrated flux;
(8) all can only unidirectionally measure with respect to speed mode, positive displacement instrument, the present invention can carry out bidirectional measurement.
Description of drawings
Fig. 1 is a structural representation of the present invention.
1 is that housing, 2 is that set nut, 3 is that guide shell, 4 is that sensor, 5 is that bearing, 6 is that turbine rotor body, 7 is that magnet steel, 8 is that big helical pitch deep trouth, 9 is the king bolt turbine wheel among the figure.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment
A kind of novel high-precision turbine volumeter, its structure is as shown in Figure 1, and this flowmeter comprises housing 1, set nut 2, guide shell 3, sensor 4, bearing 5, turbine rotor body 6, magnet steel 7, big helical pitch deep trouth 8 and king bolt turbine wheel 9; The end face of this novel high-precision turbine volumeter is the requirement of turbine shape and unmatched when mounted back straight length; Housing 1 is " H " type, and set nut 2 is connected guide shell 3 on the housing 1, and guide shell 3 has two; These guide shell 3 one ends connect set nut 2; Other end connection bearing 5, sensor 4 is located at the middle part of housing 1, and bearing 5 is located at the two ends of big helical pitch deep trouth 8; Turbine rotor body 6 is located at the outside of big helical pitch deep trouth 8; Magnet steel 7 is located on the turbine rotor body 6, and king bolt turbine wheel 9 is located at the inside of big helical pitch deep trouth 8, and king bolt turbine wheel 9 adopts the rotary power of the blade of turbine form as turbine rotor body 6.This novel high-precision turbine volumeter has following technical essential:
(1) adopt the blade face of turbine form to make the rotor rotary power;
(2) end face is the turbine form, improves meter sensitivity and reduces the pressure loss again;
(3) big helical pitch deep trouth describes that the chamber makes instrument have the volumeter characteristic, has guaranteed the instrument reliability, and the instrument installation requirement is reduced, straight length requirement before and after the no instrument;
(4) reduce wastage through the cylindrical outer diameters size and with the machining control of inner walls gap value, improve precision;
(5) adopt rotor diameter and round buss sealed rectangular groove to constitute the metered volume that two volumes equate;
(6) special bearing arrangement makes it wear-resisting, guarantees the long-time stability of instrument and is difficult for obstruction, alleviates the requirement of measuring media degree of purity.
Principle of work of the present invention is following:
After liquid is full of pipeline inflow instrument; The guide shell 3 that is fixed in the housing 1 through the nut 2 that is locked flows; Make the flow end face of RAT form more stably, drive bearing 5 rotations, make 6 rotations of turbine rotor body; Flow turns clockwise for 8 li at big helical pitch deep trouth through king bolt turbine wheel 9 forced fluid flow, discharges through other end guide shell.
When big helical pitch deep trouth is cavity volume 8 rotations; Magnet steel 7 on the turbine rotor body 6 makes sensor 4 send pulse; The at interval interior pulse sum of umber of pulse that record unit time inner sensor 4 sends and certain hour can be obtained instantaneous delivery and integrated flux that fluid flows in pipeline.
Claims (4)
1. a high precision turbine volumeter is characterized in that, this flowmeter comprises housing, set nut, guide shell, sensor, bearing, turbine rotor body, magnet steel, big helical pitch deep trouth and king bolt turbine wheel; Described housing is " H " type; Described set nut is connected guide shell on the housing, and described guide shell has two, and this guide shell one end connects set nut; Other end connection bearing; Described sensor is located at the housing middle part, and described bearing is located at the two ends of big helical pitch deep trouth, and described turbine rotor body is located at the outside of big helical pitch deep trouth; Described magnet steel is located on the turbine rotor body, and it is inner that described king bolt turbine wheel is located at big helical pitch deep trouth.
2. a kind of high precision turbine volumeter according to claim 1 is characterized in that the end face of described high precision turbine volumeter is the turbine shape.
3. a kind of high precision turbine volumeter according to claim 1 is characterized in that, the straight length requirement of the unmatched back of described high precision turbine volumeter.
4. a kind of high precision turbine volumeter according to claim 1 is characterized in that, described king bolt turbine wheel adopts the rotary power of the blade of turbine form as the turbine rotor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102122445A CN102052939B (en) | 2009-11-07 | 2009-11-07 | Novel turbine volumetric flowmeter with high precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102122445A CN102052939B (en) | 2009-11-07 | 2009-11-07 | Novel turbine volumetric flowmeter with high precision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102052939A CN102052939A (en) | 2011-05-11 |
| CN102052939B true CN102052939B (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102122445A Expired - Fee Related CN102052939B (en) | 2009-11-07 | 2009-11-07 | Novel turbine volumetric flowmeter with high precision |
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| Country | Link |
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| CN (1) | CN102052939B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052769A (en) * | 2015-04-16 | 2016-10-26 | 康明亮 | Turbine mass flowmeter |
| CN114235077A (en) * | 2021-12-20 | 2022-03-25 | 浙江磐博科技有限公司 | Bidirectional flow meter counter capable of counting respectively |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2867302Y (en) * | 2006-02-27 | 2007-02-07 | 洛阳市睿源自动化科技有限公司 | Volumetric turbine flowmeter |
| CN201527283U (en) * | 2009-11-07 | 2010-07-14 | 上海方龙流量校验设备制造有限公司 | Novel high accuracy turbine volumetric type flowmeter |
-
2009
- 2009-11-07 CN CN2009102122445A patent/CN102052939B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2867302Y (en) * | 2006-02-27 | 2007-02-07 | 洛阳市睿源自动化科技有限公司 | Volumetric turbine flowmeter |
| CN201527283U (en) * | 2009-11-07 | 2010-07-14 | 上海方龙流量校验设备制造有限公司 | Novel high accuracy turbine volumetric type flowmeter |
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| Publication number | Publication date |
|---|---|
| CN102052939A (en) | 2011-05-11 |
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Granted publication date: 20121031 |
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