CN110044427A - A kind of fluid flux measurement technology of multichannel flow linkage - Google Patents

A kind of fluid flux measurement technology of multichannel flow linkage Download PDF

Info

Publication number
CN110044427A
CN110044427A CN201910291886.2A CN201910291886A CN110044427A CN 110044427 A CN110044427 A CN 110044427A CN 201910291886 A CN201910291886 A CN 201910291886A CN 110044427 A CN110044427 A CN 110044427A
Authority
CN
China
Prior art keywords
fuse
precision
flow
fluid
throughput
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.)
Pending
Application number
CN201910291886.2A
Other languages
Chinese (zh)
Inventor
杨国庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910291886.2A priority Critical patent/CN110044427A/en
Publication of CN110044427A publication Critical patent/CN110044427A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

A kind of fluid flux measurement technology of multichannel flow linkage of the present invention is using at least one high flux fluid flow measurement channel of setting and at least one high-precision measurement of fluid flow channel, the displacement of at least one sensory package induction high-precision fuse is set and is by electric wire output and is not limited to switch or pulse signal, the cross-sectional area that high-throughput traffic channel is arranged is greater than the cross-sectional area in high-precision flow channel, being arranged makes the flow of high-throughput fuse movement be greater than the flow for acting high-precision fuse, fluid after being diverted through high flux fluid flow measurement channel and high-precision measurement of fluid flow channel after fluid inflow interface inflow shell by merging, by fluid outflow interface outflow, the technological deficiency of the high throughput low precision and high-precision small throughput in existing fluid flux measurement technology is effectively eliminated, especially up to each item stream The flow linkage for measuring channel, high-precision high-throughput purpose when measuring fluid flow.

Description

A kind of fluid flux measurement technology of multichannel flow linkage
Technical field
The present invention relates to a kind of fluid flux measurement technology, especially a kind of measurement of fluid flow of multichannel flow linkage Technology.
Technical background
Existing fluid flux measurement technology flows into interface by shell, fluid, fluid flows out interface, sensory package, fluid Channel, fuse and fuse reset components composition, usually only a fluid channel, fluid flowing are made jointly with fuse reset components It firmly acts fuse and generates displacement, displacement changes with the variation of flow, and inductive component incudes the displacement of fuse simultaneously Output exports for signal forms such as switch or pulses, in practical application, in order to improve the measurement accuracy of fluid flow, needs to subtract The cross-sectional area of small fluid channel keeps the movement of fuse sensitiveer, causes the maximum of fluid channel to reduce by flow, Huo Zhewei The maximum of fluid channel is improved by flow, the cross-sectional area in larger fluid channel is needed, causes the slow movement of fuse, deposit The technological deficiency of high-throughput low precision and high-precision small throughput in measurement fluid flow.
Summary of the invention
In order to overcome the technology of the low precision of high throughput and high-precision small throughput in existing fluid flux measurement technology to lack It falls into, the present invention provides a kind of fluid flux measurement technology of multichannel flow linkage, and at least one high flux fluid flow is arranged Measurement channel and at least one high-precision measurement of fluid flow channel, a setting at least sensory package incude high-precision fuse It is displaced and is by electric wire output and is not limited to switch or pulse signal, the cross-sectional area that high-throughput traffic channel is arranged is big Cross-sectional area in high-precision flow channel, setting make the flow of high-throughput fuse movement be greater than the stream for acting high-precision fuse Amount reaches the flow linkage of each fluid channel, measures high-throughput high-precision purpose when fluid flow.
The technical solution adopted by the present invention to solve the technical problems is: a kind of fluid flow survey of multichannel flow linkage Amount technology, including shell, fluid flow into interface, and fluid flows out interface, high-throughput traffic channel, high-throughput fuse, high-throughput core Sub- reset components, high-precision flow channel, high-precision fuse, high-precision fuse reset components and sensory package, setting high-precision The location and shape of traffic channel are set according to high-precision core structures form, and the location and shape of high-throughput traffic channel are arranged It is set according to high-throughput core structures form, high-throughput fuse is set and high-precision fuse can be and be not limited to piston, gear Plate, target formula or blade wheel structure form, are arranged high-throughput fuse reset components and high-precision fuse reset components can be and unlimited Then spring, the magnet combination of homopolar-repulsion or the structure type using gravity, shell connecting fluid flow into interface and fluid Interface is flowed out, high-throughput traffic channel and high-throughput fuse and high-throughput fuse reset components form high flux fluid stream in shell At least one high flux fluid flow measurement channel is arranged in measurement channel, and high-throughput fuse reset components are connect with shell, shell Internal high-precision flow channel and high-precision fuse and high-precision fuse reset components form high-precision measurement of fluid flow channel, At least one high-precision measurement of fluid flow channel is set, high-precision fuse reset components are connect with shell, the flow of fluid with The collective effect power of high-throughput fuse reset components acts high-throughput fuse and generates but to be not limited to straight line or swing offset, Displacement changes with the variation of flow, and the flow of fluid and the collective effect power of high-precision fuse reset components make high-precision Fuse acts and generates and be not limited to straight line or swing offset, and displacement changes with the variation of flow, and sensory package is solid It is scheduled on hull outside and is provided with the electric wire for signal output, a minimum sensory package is set for incuding high-precision fuse It is displaced and exports and be not limited to by electric wire switch or pulse signal, there can be more sensory package induction targets fuses Displacement exports more multi-form signal, and the cross-sectional area that high-throughput traffic channel is arranged is greater than the cross in high-precision flow channel Sectional area, allow high flux fluid flow measurement channel by maximum fluid flow it is logical greater than high-precision measurement of fluid flow Road can by maximum fluid flow, and for the action displacement of the variation high-precision fuse of flow than high-throughput fuse Action displacement is sensitiveer, and precision is higher, and setting makes the flow of high-throughput fuse movement be greater than the flow for acting high-precision fuse, The flow linkage for reaching each fluid channel measures high-throughput high-precision purpose when fluid flow.
A kind of fluid flux measurement technology of above-mentioned multichannel flow linkage, the fluid flow into interface by fluid After flowing into shell, divided fluid stream merges after passing through high flux fluid flow measurement channel and high-precision measurement of fluid flow channel, By fluid outflow interface outflow, setting makes the flow of high-throughput fuse movement be greater than the flow for acting high-precision fuse, works as stream Body flow it is static perhaps less than make high-precision fuse act flow high-precision fuse keep initial position be failure to actuate or not by Sensory package induction, high-throughput fuse keep initial position to be failure to actuate or do not incuded by sensory package, when fluid flow increases To more than make the flow of high-precision fuse movement and be less than the flow for making high-throughput fuse movement, high-precision fuse is acted and is generated And it is not limited to straight line or swing offset, displacement changes with the variation of flow and is incuded by sensory package, high-throughput Fuse keeps initial position to be failure to actuate or do not incuded by sensory package, keeps high-throughput fuse dynamic when flow continues to be enlarged to be greater than The displacement continuation of the flow of work, high-precision fuse changes and is incuded by sensory package, high-throughput core with the variation of flow Son, which is acted and generated, is but not limited to straight line or swing offset, and displacement changes with the variation of flow and by sensory package Induction makes the flow of high-throughput fuse movement when flow is decreased to be greater than the flow for acting high-precision fuse and being less than, high-precision The displacement continuation of degree fuse movement changes with the variation of flow and is incuded by sensory package, and high-throughput fuse returns to initially Position be failure to actuate perhaps not by sensory package incude when fluid flow be decreased to it is static or less than make high-precision fuse act Flow, high-precision fuse, which returns to initial position and perhaps do not incude high-throughput fuse by sensory package, keeps initial position or not Incuded by sensory package, sensory package incudes the displacement of high-throughput fuse and high-precision fuse and exports and be not limited to by electric wire It is switch or pulse signal, divided fluid stream merging, which reaches, surveys high flux fluid flow measurement channel and high-precision fluid flow The flow linkage for measuring channel measures high-throughput high-precision purpose when fluid flow.
A kind of fluid flux measurement technology of above-mentioned multichannel flow linkage, the high-throughput fuse and high-precision core Son can not use reset components using blade wheel structure and when generating lasting swing offset, make high-precision fuse using gravity Gravity is reset components when resetting with high-throughput fuse.
The beneficial effects of the present invention are: a kind of fluid flux measurement technology of multichannel flow linkage of the present invention is using setting At least one biography is arranged at least one high flux fluid flow measurement channel and at least one high-precision measurement of fluid flow channel The displacement of sense component induction high-precision fuse is simultaneously and is not limited to switch or pulse signal by electric wire output, and high pass is arranged The cross-sectional area for measuring traffic channel is greater than the cross-sectional area in high-precision flow channel, and setting keeps the flow of high-throughput fuse movement big In the flow for acting high-precision fuse, fluid is flowed into after interface flows into shell by fluid and is diverted through high flux fluid flow Merge behind Measurement channel and high-precision measurement of fluid flow channel, by fluid outflow interface outflow, has effectively eliminated existing stream The technological deficiency of high throughput low precision and high-precision small throughput in body flow measurement technology, especially up to each traffic channel Flow linkage, high-precision high-throughput purpose when measuring fluid flow.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is front view of the present invention and high-precision fuse is the schematic diagram of baffle arrangement;
Fig. 2 is the cross-sectional view along line A-A in Fig. 1;
Fig. 3 is the stereoscopic schematic diagram that shell and sensory package are set as transparent Fig. 1;
Fig. 4 is the schematic diagram that high-precision fuse of the present invention is baffle arrangement non-displacement and high-throughput fuse non-displacement;
Fig. 5 is that high-precision fuse of the present invention is the schematic diagram that baffle arrangement has displacement and high-throughput fuse non-displacement;
Fig. 6 is that high-precision fuse of the present invention is the schematic diagram that baffle arrangement has displacement and high-throughput fuse has displacement;
Fig. 7 is the schematic diagram that high-precision fuse of the present invention is blade wheel structure non-displacement and high-throughput fuse non-displacement;
Fig. 8 is that high-precision fuse of the present invention is the schematic diagram that blade wheel structure has displacement and high-throughput fuse non-displacement;
Fig. 9 is that high-precision fuse of the present invention is the schematic diagram that blade wheel structure has displacement and high-throughput fuse has displacement;
1. fluids flow into interface, 2. shells, 3. high-precision flow channels, 4. high-precision fuses, 5. high-precision fuses in figure Reset components, 6. fluid inlet and outlet connectors, 7. high-throughput fuse reset components, 8. high-throughput fuses, 9. high-throughput traffic channels, 10. sensory package, 11. electric wires, 12. sensory packages, 13. electric wires.
Specific embodiment
[embodiment 1]
A kind of fluid flux measurement technology of multichannel flow linkage includes that fluid flows into interface 1, shell 2, and high-precision flows Measure channel 3, high-precision fuse 4, high-precision fuse reset components 5, fluid outflow interface 6, high-throughput fuse reset components 7, height Flux fuse 8, high-throughput traffic channel 9, sensory package 10, electric wire 11, sensory package 12, electric wire 13,2 connecting fluid stream of shell Incoming interface 1 and fluid flow out interface 6, at least one high flux fluid flow measurement channel of setting and at least one high in shell 2 Precision measurement of fluid flow channel, a setting at least sensory package 12 incude the displacement of high-precision fuse 4 and pass through electric wire 13 Output is and is not limited to switch or pulse signal, and high-throughput traffic channel 9 and high-throughput fuse 8 and high-throughput core is arranged Sub- reset components 7 form high flux fluid flow measurement channel, and high-throughput fuse reset components 7 are fixed on shell 2, and setting is high Accuracy Flow channel 3 and high-precision fuse 4 and high-precision fuse reset components 5 form high-precision measurement of fluid flow channel, High-precision fuse reset components 5 are fixed on shell 2, and being arranged outside shell 2 has sensory package 10 and sensory package 12, sensing group Part 10 is provided with signal output electric wire 11, and sensory package 12 is provided with signal output electric wire 13, high-throughput traffic channel 9 is arranged Cross-sectional area be greater than high-precision flow channel 3 cross-sectional area, allow high flux fluid flow measurement channel by maximum Fluid flow be greater than high-precision measurement of fluid flow channel can by maximum fluid flow, and for the variation of flow height The action displacement of precision fuse 4 is sensitiveer than the action displacement of high-throughput fuse 8, and precision is higher, and setting keeps high-throughput fuse 8 dynamic The flow of work is greater than the flow for acting high-precision fuse 4, and reaching makes high flux fluid flow measurement channel and high-precision fluid The flow in flow measurement channel links, and measures high-throughput high-precision purpose when fluid flow.
[embodiment 2]
The location and shape that high-precision flow channel 3 is arranged are set according to 4 structure type of high-precision fuse, and setting is high-throughput The location and shape of traffic channel 9 are set according to high-throughput 8 structure type of fuse, the high-precision flow channel 3 as shown in Fig. 4, Fig. 7 Also different according to 4 structure type different set position of high-precision fuse, high-throughput fuse 8 and high-precision fuse 4 can be and not It is limited to be piston, baffle, target formula or blade wheel structure form, high-throughput fuse reset components 7 and high-precision fuse reset components 5 It can be and be not limited to spring, the magnet combination of homopolar-repulsion or the structure type using gravity.As shown in Figure 1, Figure 2, Fig. 3, High throughput fuse shown in Fig. 4, Fig. 5, Fig. 68 is baffle arrangement and is provided with high-throughput fuse reset components 7, and high-precision fuse 4 is Baffle arrangement and be provided with high-precision fuse reset components 5, the high-precision fuse 4 as shown in Fig. 7, Fig. 8, Fig. 9 be blade wheel structure and It is not provided with reset components.The flow and 5 collective effect power of high-precision fuse reset components of fluid as shown in Figure 5, Figure 6 make baffle The high-precision fuse 4 of structure type acts and generates straight-line displacement, and the flow of fluid as shown in Figure 8, Figure 9 makes blade wheel structure form High-precision fuse 4 act and generate lasting swing offset, the flow of the fluid as shown in Fig. 6, Fig. 9 and high-throughput fuse reset portion 7 collective effect power of part makes the high-throughput fuse 8 of baffle arrangement form act and generate straight-line displacement, and sensory package 10 is fixed on shell On body 2 and it is provided with the electric wire 11 for signal output, sensory package 12 is fixed on shell 2 and is provided with and exports for signal Electric wire 13, setting sensory package 12 is used to incude the displacement of high-precision fuse 4 and exports and be not limited to out by electric wire 13 It closes or pulse signal, setting sensory package 10 is used to incude the displacement of high-throughput fuse 8 and is exported and unlimited by electric wire 11 Then switch or pulse signal.
[embodiment 3]
Fluid is flowed into after interface 1 flows into shell 2 by fluid, divided fluid stream by high flux fluid flow measurement channel and High-precision measurement of fluid flow merges behind channel, is flowed out by fluid outflow interface 6, when fluid flow is static as shown in Fig. 4, Fig. 7 Or less than the flow for acting high-precision fuse 4, high-precision fuse 4 keeps initial position to be failure to actuate or not by sensory package 12 Induction, high-throughput fuse 8 keep initial position to be failure to actuate or do not incuded by sensory package 10, work as fluid as shown in Figure 5, Figure 8 Flow is greater than the flow for acting high-precision fuse 4 and is less than the flow for acting high-throughput fuse 8, and high-precision fuse 4 acts And displacement is generated, displacement changes with the variation of flow and is incuded by sensory package 12, and high-throughput fuse 8 keeps initial bit It sets and is failure to actuate or is not incuded by sensory package 10, when flow is greater than the stream for acting high-throughput fuse 8 as shown in Fig. 6, Fig. 9 The displacement continuation of amount, high-precision fuse 4 changes and is incuded by sensory package 12, high-throughput fuse 8 with the variation of flow Displacement is acted and generates, displacement changes with the variation of flow and incuded by sensory package 10, as shown in Figure 5, Figure 8 when stream Amount is decreased to be greater than the flow for acting high-precision fuse 4 and is less than the flow that high-throughput fuse 8 acts, high-precision fuse 4 Displacement continuation changes with the variation of flow and is incuded by sensory package 12, and it is motionless that high-throughput fuse 8 returns to initial position Make or do not incuded by sensory package 10, as shown in Fig. 4, Fig. 7 when fluid flow be decreased to it is static or less than making high-precision fuse 4 The flow of movement, high-precision fuse 4 return to initial position or are not incuded by sensory package 12, and high-throughput fuse 8 keeps initial Position is not incuded by sensory package 10, sensory package 10 incude the displacement of high-throughput fuse 8 and exported by electric wire 11 and It is not limited to switch or pulse signal, sensory package 12 incudes the displacement of high-precision fuse 4 and exports and not by electric wire 13 It is limited to be switch or pulse signal, divided fluid stream merging, which reaches, makes high flux fluid flow measurement channel and high-precision fluid stream The flow in measurement channel links, and measures high-throughput high-precision purpose when fluid flow.

Claims (4)

1. a kind of fluid flux measurement technology of multichannel flow linkage, including shell (2) connecting fluid flow into interface (1) and flow Body flows out interface (6), high-throughput traffic channel (9), high-throughput fuse (8), high-throughput fuse reset components (7), and high-precision flows It measures channel (3), high-precision fuse (4), high-precision fuse reset components (5), sensory package (10) is arranged live wire (11) and exports Live wire (13) output signal is arranged in signal, sensory package (12), it is characterised in that: at least one high pass is arranged in shell (2) Measure measurement of fluid flow channel and at least one high-precision measurement of fluid flow channel, setting at least sensory package (12) sense It answers the displacement of high-precision fuse (4) and is by electric wire (13) output and is not limited to switch or pulse signal, high pass is set It measures traffic channel (9) and high-throughput fuse (8) and high-throughput fuse reset components (7) composition high flux fluid flow measurement is logical Road, setting high-precision flow channel (3) and high-precision fuse (4) and high-precision fuse reset components (5) form high-precision fluid Flow measurement channel, after fluid enters shell (2) by fluid inflow interface (1), divided fluid stream is surveyed by high flux fluid flow Merge behind amount channel and high-precision measurement of fluid flow channel, by fluid outflow interface (6) outflow, high-throughput traffic channel is set (8) cross-sectional area is greater than the cross-sectional area of high-precision flow channel (3), passes through high flux fluid flow measurement channel Maximum fluid flow be greater than high-precision measurement of fluid flow channel can by maximum fluid flow, and for flow The action displacement precision sensitiveer than the action displacement of high-throughput fuse (8) for changing high-precision fuse (3) is higher, and setting makes high pass The flow of amount fuse (8) movement is greater than the flow for acting high-precision fuse (4), reaches the flow linkage of each fluid channel, Measure high-throughput high-precision purpose when fluid flow.
2. a kind of fluid flux measurement technology of multichannel flow linkage according to claim 1, which is characterized in that setting The location and shape in high-precision flow channel (3) are set according to high-precision fuse (4) structure type, and high-throughput traffic channel is arranged (9) location and shape are set according to high-throughput fuse (8) structure type, and high-throughput fuse (8) and high-precision fuse (4) can be with It is and is not limited to piston, baffle, target formula or blade wheel structure form, the flow of fluid and high-throughput fuse reset components (7) Collective effect power makes high-throughput fuse (8) movement and generates but to be not limited to straight line or swing offset, and displacement is with flow Variation and change, the flow of fluid and the collective effect power of high-precision fuse reset components (5) act high-precision fuse (4) And generate and be not limited to straight line or swing offset, displacement changes with the variation of flow.
3. a kind of fluid flux measurement technology of multichannel flow linkage according to claim 1, which is characterized in that setting High-throughput fuse reset components (7) and high-precision fuse reset components (5) can be and are not limited to the magnetic of spring, homopolar-repulsion Iron combination or the structure type using gravity, high-throughput fuse (8) and high-precision fuse (4) are held using blade wheel structure and generation Reset components can not be used when continuous swing offset, when making high-precision fuse (4) and high-throughput fuse (8) reset using gravity Gravity is reset components.
4. a kind of fluid flux measurement technology of multichannel flow linkage according to claim 1, which is characterized in that setting The displacement of at least one sensory package (12) induction high-precision fuse (4) is simultaneously and is not limited to switch by electric wire (13) output Or pulse signal, can have the displacement of more sensory packages (10) induction targets fuse and by electric wire (11) output be and It is not limited to switch or pulse signal.
CN201910291886.2A 2019-04-08 2019-04-08 A kind of fluid flux measurement technology of multichannel flow linkage Pending CN110044427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910291886.2A CN110044427A (en) 2019-04-08 2019-04-08 A kind of fluid flux measurement technology of multichannel flow linkage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910291886.2A CN110044427A (en) 2019-04-08 2019-04-08 A kind of fluid flux measurement technology of multichannel flow linkage

Publications (1)

Publication Number Publication Date
CN110044427A true CN110044427A (en) 2019-07-23

Family

ID=67276874

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910291886.2A Pending CN110044427A (en) 2019-04-08 2019-04-08 A kind of fluid flux measurement technology of multichannel flow linkage

Country Status (1)

Country Link
CN (1) CN110044427A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101287939A (en) * 2005-06-14 2008-10-15 约西·达纳 Fluid flow controller
CN102661762A (en) * 2012-05-15 2012-09-12 江苏正本净化节水科技实业有限公司 Flow sensor
CN203489922U (en) * 2013-10-21 2014-03-19 浙江富马仪表有限公司 Gas turbine flowmeter
CN205655871U (en) * 2016-04-06 2016-10-19 深圳市泉源仪表设备制造有限公司 Binary channels turbine flowmeter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101287939A (en) * 2005-06-14 2008-10-15 约西·达纳 Fluid flow controller
CN102661762A (en) * 2012-05-15 2012-09-12 江苏正本净化节水科技实业有限公司 Flow sensor
CN203489922U (en) * 2013-10-21 2014-03-19 浙江富马仪表有限公司 Gas turbine flowmeter
CN205655871U (en) * 2016-04-06 2016-10-19 深圳市泉源仪表设备制造有限公司 Binary channels turbine flowmeter

Similar Documents

Publication Publication Date Title
CN104215286B (en) flowmeter
SE500754C2 (en) Flowmeter
CN110044427A (en) A kind of fluid flux measurement technology of multichannel flow linkage
CN110044426A (en) A kind of flow sensor of multichannel flow linkage
CN103968898A (en) Float flow meter with LED light pillar display
CN103148901B (en) Method for making multiple adjacent magnetic induction flowmeter work
CN101398318A (en) Momentum type effusion meter based on magnetic thrust and flow measurement method
CN105816194A (en) Detector signal readout channel multiplexing method
CN201723213U (en) Weighing type gas-liquid two-phase flowmeter
CN103061739A (en) Tipping bucket flowmeter
CN202885872U (en) Gate flow measuring device
CN103823936B (en) Method for determining isochrone
CN103049785A (en) Multi-sensor counting device and counting method
CN201935707U (en) Differential pressure type natural gas flow metering device with constant value pore plate
GB1467574A (en) Measuring volumetric flow rate
CN201615910U (en) Double-rod tidal flow velocity measuring device
CN205898263U (en) Wide -range weighing sensor
JP7286185B2 (en) OIL LIQUID MEASUREMENT DEVICE, PRODUCTION METHOD OF MICROFLUID CHIP, AND DATA PROCESSING METHOD
CN208704848U (en) Bivariate measurement sensor and its system
CN1527029A (en) Fluidic flowmeter
CN206959930U (en) Flow sensing component with HDR
CN206862419U (en) A kind of improved vortex-shedding meter
CN105182001B (en) A kind of acceleration transducer
GB1300623A (en) Flow meter
CN208383214U (en) A kind of water meter with signal transmitter

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190723

RJ01 Rejection of invention patent application after publication