CN103674124A - Gear type flow direction flow transmitter - Google Patents
Gear type flow direction flow transmitter Download PDFInfo
- Publication number
- CN103674124A CN103674124A CN201210323393.0A CN201210323393A CN103674124A CN 103674124 A CN103674124 A CN 103674124A CN 201210323393 A CN201210323393 A CN 201210323393A CN 103674124 A CN103674124 A CN 103674124A
- Authority
- CN
- China
- Prior art keywords
- flow
- outside shell
- stretch out
- axles
- axle
- 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
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a flow instrument which can measure flow and the flow direction as well. A gear type flow direction flow transmitter comprises at least one rotating speed and rotating direction measuring device and a gear pump structure. A shaft of at least one of two gears which form a gear pump extends out of a shell, seal exists between the shaft extending out of the shell and the shell, due to the seal, the shaft can freely rotate, liquid can not leak out of the shell, and the shaft extending out of the shell is coaxially and synchronously connected with an element to be measured by the rotating speed and rotating direction measuring device. The shaft extending out of the shell is coaxially and fixedly connected with the rotating speed and rotating direction measuring device containing a speed measurement encoder. The gear type flow direction flow transmitter is particularly suitable for the situations where liquid flows in and out and suitable for manufacturing a new generation of automated instruments.
Description
Technical field
The present invention relates to a kind of instrument and meter for automation, especially flow measurement instrument.
Background technology
At present, it is several that known flow measurement instrument mainly contains thermal diffusion type, ultrasonic type, differential pressure type target formula etc., take target-type flow measuring method as example, its principle is: in flow conduit, install one over against the target assembly of fluid, at target assembly, receive that the impact of tube fluid faces upward the formula deflection of bowing, be exactly flow signal, deflection angle is larger, and flow is just larger.Other is as flowmeters such as thermal diffusion, ultrasound waves, although principle is different, has a common shortcoming, cannot measure exactly the mobile direction of fluid.The present invention proposes exactly and addresses this problem.
Summary of the invention
Although different in order to overcome known flow instrument principle, there is a common shortcoming, cannot measure exactly the deficiency of the mobile direction of fluid, the invention provides a kind of gear type and flow to flow transmitter.
The technical solution adopted for the present invention to solve the technical problems is: comprise at least one rotating speed, turn to measurement mechanism and one group of gear pump structure, the shaft extension of at least one gear of two gears of composition gear-type pump goes out outside shell, stretch out between axle outside shell and housing and have sealing, described sealing reaches it both can to allow axle freely rotate, do not allow again shell-side fluid spill, stretch out axle outside shell with rotating speed, turn to the detected element coaxial synchronous of measurement mechanism to be connected.
Described rotating speed, to turn to measurement mechanism be the speed measuring coder with direction signal, the described axle head coaxial synchronous stretching out outside shell connects a speed measuring coder with direction signal, during measurement, the flow direction that represents detected fluid with the turn signal of speed measuring coder, represents the flow of detected fluid with the tach signal of speed measuring coder.
Or: described in stretch out that axle outside shell is vertical connects a disk, near the outer of disk, have a circle vertical through hole, each through hole be centered close to the concentric circumference in described axle center of stretching out the axle outside shell on, the center of each vertical through hole equates with the spacing at the center of adjacent vertical through hole, comprise two photoelectric sensors, light source and attached electric assembly thereof, the measuring sonde of photoelectric sensor is installed perpendicular to disk, light source is also perpendicular to disk installation and over against near a circle vertical through hole of opening the outer of disk, sent light is seen through on the sensitive element of measuring sonde that vertical through hole is irradiated to photoelectric sensor, the interval of the sensitive element of the measuring sonde of two photoelectric sensors is just in time the spacing at the center of adjacent two vertical through hole, during measurement, the priority that light signal detected with two photoelectric sensors represents the flow direction of detected fluid, the flow of the frequency representation detected fluid of light signal with two photoelectric sensors, detected.
Or: described in stretch out that axle outside shell is vertical connects a fluted disc, each tooth be centered close to the concentric circumference in described axle center of stretching out the axle outside shell on, each Chi center equates with the spacing at adjacent Chi center, comprise two eddy current sensors, and attached electric assembly, the measuring sonde of eddy current sensor is installed perpendicular to fluted disc outer tangent line, the interval of the sensitive element of the measuring sonde of two eddy current sensors is just in time the spacing at adjacent Liang Gechi center, during measurement, the priority that eddy current signal detected with two eddy current sensors represents the flow direction of detected fluid, the flow of the frequency representation detected fluid of eddy current signal with two eddy current sensors, detected.
The integrator of flow signal access that sensor generates, calculates net flow by integrator.
Or: the flow signal that sensor generates accesses respectively two integrators, and one of them integrator calculates and flows into flow, and another integrator calculates and flows out flow.
Have two axles that stretch out outside shell, described two axles stretch out through hermetically-sealed construction from homonymy one end of each gear of two gears respectively.
Or: have two axles that stretch out outside shell, described two axles stretch out through hermetically-sealed construction from heteropleural one end of each gear of two gears respectively.
Or: have three axles that stretch out outside shell, wherein two axles of described three axles stretch out through hermetically-sealed construction from one of them gear two ends of two gears respectively, and the another one axle of described three axles stretches out through hermetically-sealed construction from one end of another one gear.
Or: have four axles that stretch out outside shell, described four axles stretch out through hermetically-sealed construction from each gear two ends of two gears respectively.
Its principle of work is: utilize a gear pump structure, the shaft extension of one of 2 gears of a composition gear-type pump gear goes out outside shell, stretch out between axle outside shell and housing and have sealing, it is reached both can allow axle freely rotate, do not allow again shell-side fluid spill, like this, the rotating speed that stretches out the axle outside shell just with the volume flow range direct ratio of shell-side fluid, the axle head stretching out outside shell connects a speed measuring coder with direction signal, the axle stretching out outside shell is coaxially fixedly connected with speed measuring coder, just can record rotating speed and the sense of rotation of axle, thereby final acquisition flows to and flow signal.
The invention has the beneficial effects as follows: both can measurement of discharge, again can flow measurement to, the occasion that flows to outflow for fluid is particularly suitable for; By contrast, prior art can only measuring flow, and can not measure the flow direction, and the occasion that flows to outflow for fluid has just been not suitable for.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic diagram of embodiment mono-.
1.1 gear pump structures in figure, 2. stretch out the axle outside shell, and 3. sealing, 4. with the speed measuring coder of direction signal.
Embodiment
In the embodiment mono-shown in Fig. 1, utilize a long 150mm, wide 200mm, the gear pump structure of high 100mm (1), the shaft extension of one of 2 gears of a composition gear-type pump gear goes out outside shell, stretch out between axle (2) outside shell and housing and have sealing (3), it is reached both can allow axle freely rotate, do not allow again shell-side fluid spill, like this, the rotating speed that stretches out the axle outside shell just with the volume flow range direct ratio of shell-side fluid, the axle head stretching out outside shell connects a speed measuring coder with direction signal (4), the axle stretching out outside shell is coaxially fixedly connected with speed measuring coder, just can record rotating speed and the sense of rotation of axle, thereby final acquisition flows to and flow signal.
In embodiment bis-, the described diameter 10mm that stretches out the axle outside shell, the vertical irony disk that connects the thick 5mm of a diameter 200mm, 10mm place, outer apart from disk has 20 vertical through hole of a circle, each through hole be centered close to the concentric circumference in described axle center of stretching out the axle outside shell on, the center of each vertical through hole equates with the spacing at the center of adjacent vertical through hole, comprise two photoelectric sensors, light source and attached electric assembly thereof, the measuring sonde of photoelectric sensor is installed perpendicular to disk, light source is also perpendicular to disk installation and over against near a circle vertical through hole of opening the outer of disk, sent light is seen through on the sensitive element of measuring sonde that vertical through hole is irradiated to photoelectric sensor, the interval of the sensitive element of the measuring sonde of two photoelectric sensors is just in time the spacing at the center of adjacent two vertical through hole, during measurement, the priority that light signal detected with two photoelectric sensors represents the flow direction of detected fluid, the flow of the frequency representation detected fluid of light signal with two photoelectric sensors, detected.
In embodiment tri-, the electronic integrator of flow signal access that encoder detector generates, calculates net flow by this electronic integrator.
In embodiment tetra-, there are three axles that stretch out outside shell, the diameter of axle is 5mm, and wherein two axles of described three axles stretch out through hermetically-sealed construction from one of them gear two ends of two gears respectively, and the another one axle of described three axles stretches out through hermetically-sealed construction from one end of another one gear.
Claims (10)
1. an instrument and meter for automation, it is characterized in that: comprise at least one rotating speed, turn to measurement mechanism and one group of gear pump structure, the shaft extension of at least one gear of two gears of composition gear-type pump goes out outside shell, stretch out between axle outside shell and housing and have sealing, described sealing reaches it both can to allow axle freely rotate, do not allow again shell-side fluid spill, stretch out axle outside shell with rotating speed, turn to the detected element coaxial synchronous of measurement mechanism to be connected.
2. instrument and meter for automation according to claim 1, it is characterized in that: described rotating speed, to turn to measurement mechanism be the speed measuring coder with direction signal, the described axle head coaxial synchronous stretching out outside shell connects a speed measuring coder with direction signal, during measurement, the flow direction that represents detected fluid with the turn signal of speed measuring coder, represents the flow of detected fluid with the tach signal of speed measuring coder.
3. instrument and meter for automation according to claim 1, it is characterized in that: described in stretch out that axle outside shell is vertical connects a disk, near the outer of disk, have a circle vertical through hole, each through hole be centered close to the concentric circumference in described axle center of stretching out the axle outside shell on, the center of each vertical through hole equates with the spacing at the center of adjacent vertical through hole
Comprise two photoelectric sensors, light source and attached electric assembly thereof, the measuring sonde of photoelectric sensor is installed perpendicular to disk, light source is also perpendicular to disk installation and over against near a circle vertical through hole of opening the outer of disk, sent light is seen through on the sensitive element of measuring sonde that vertical through hole is irradiated to photoelectric sensor, the interval of the sensitive element of the measuring sonde of two photoelectric sensors is just in time the spacing at the center of adjacent two vertical through hole
During measurement, the priority that light signal detected with two photoelectric sensors represents the flow direction of detected fluid, the flow of the frequency representation detected fluid of light signal detected with two photoelectric sensors.
4. instrument and meter for automation according to claim 1, it is characterized in that: described in stretch out that axle outside shell is vertical connects a fluted disc, each tooth be centered close to the concentric circumference in described axle center of stretching out the axle outside shell on, each Chi center equates with the spacing at adjacent Chi center
Comprise two eddy current sensors and attached electric assembly thereof, the measuring sonde of eddy current sensor is installed perpendicular to fluted disc outer tangent line, and the interval of the sensitive element of the measuring sonde of two eddy current sensors is just in time the spacing at adjacent Liang Gechi center,
During measurement, the priority that eddy current signal detected with two eddy current sensors represents the flow direction of detected fluid, the flow of the frequency representation detected fluid of eddy current signal detected with two eddy current sensors.
5. instrument and meter for automation according to claim 1, is characterized in that: the integrator of flow signal access that sensor generates, calculates net flow by integrator.
6. instrument and meter for automation according to claim 1, is characterized in that: the flow signal that sensor generates accesses respectively two integrators, and one of them integrator calculates and flows into flow, and another integrator calculates and flows out flow.
7. instrument and meter for automation according to claim 1, is characterized in that: have two axles that stretch out outside shell, described two axles stretch out through hermetically-sealed construction from homonymy one end of each gear of two gears respectively.
8. instrument and meter for automation according to claim 1, is characterized in that: have two axles that stretch out outside shell, described two axles stretch out through hermetically-sealed construction from heteropleural one end of each gear of two gears respectively.
9. instrument and meter for automation according to claim 1, it is characterized in that: have three axles that stretch out outside shell, wherein two axles of described three axles stretch out through hermetically-sealed construction from one of them gear two ends of two gears respectively, and the another one axle of described three axles stretches out through hermetically-sealed construction from one end of another one gear.
10. instrument and meter for automation according to claim 1, is characterized in that: have four axles that stretch out outside shell, described four axles stretch out through hermetically-sealed construction from each gear two ends of two gears respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210323393.0A CN103674124A (en) | 2012-09-04 | 2012-09-04 | Gear type flow direction flow transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210323393.0A CN103674124A (en) | 2012-09-04 | 2012-09-04 | Gear type flow direction flow transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103674124A true CN103674124A (en) | 2014-03-26 |
Family
ID=50312387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210323393.0A Pending CN103674124A (en) | 2012-09-04 | 2012-09-04 | Gear type flow direction flow transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103674124A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215284A (en) * | 2014-10-09 | 2014-12-17 | 许天罡 | Detection method and detection system for flow rate of brush air pump |
| CN106468573A (en) * | 2016-08-31 | 2017-03-01 | 广州市兴世电子有限公司 | A kind of glue amount detecting device of hot melt adhesive machine and its method of work |
| CN107084768A (en) * | 2017-05-15 | 2017-08-22 | 济南大学 | A kind of method for improving oval gear flowmeter measuring accuracy |
| CN107192847A (en) * | 2017-07-05 | 2017-09-22 | 合肥工业大学 | A kind of detection means for being used to measure that fluid is flowed in runner |
-
2012
- 2012-09-04 CN CN201210323393.0A patent/CN103674124A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215284A (en) * | 2014-10-09 | 2014-12-17 | 许天罡 | Detection method and detection system for flow rate of brush air pump |
| CN106468573A (en) * | 2016-08-31 | 2017-03-01 | 广州市兴世电子有限公司 | A kind of glue amount detecting device of hot melt adhesive machine and its method of work |
| CN106468573B (en) * | 2016-08-31 | 2020-05-12 | 广州市兴世电子有限公司 | Glue amount detection device of hot melt glue machine and working method thereof |
| CN107084768A (en) * | 2017-05-15 | 2017-08-22 | 济南大学 | A kind of method for improving oval gear flowmeter measuring accuracy |
| CN107192847A (en) * | 2017-07-05 | 2017-09-22 | 合肥工业大学 | A kind of detection means for being used to measure that fluid is flowed in runner |
| CN107192847B (en) * | 2017-07-05 | 2023-03-17 | 合肥工业大学 | Detection device for measuring flow direction of fluid in flow channel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204532331U (en) | Turbine measurement mechanism | |
| CN103674124A (en) | Gear type flow direction flow transmitter | |
| CN203657892U (en) | Non-contact type pulley liquid level sensor | |
| CN104459187A (en) | Device and method for measuring rotating speed of large rotating equipment | |
| CN103591994A (en) | High-accuracy flow measuring device not affected by environmental factors | |
| AU2013308378B2 (en) | Flow meter with acoustic array | |
| CN102680032A (en) | Magnetic displacement float flowmeter | |
| CN101349581B (en) | Insert type flow measuring device based on MEMS sensor | |
| CN110763294B (en) | Double-capacitance two-phase flow parameter measuring instrument and measuring method | |
| CN207556596U (en) | A kind of turbine consumption sensor | |
| CN201262559Y (en) | Plug-in flow measuring device based on MEMS sensor | |
| CN207741822U (en) | A kind of gas turbine meter | |
| CN102620775A (en) | Middle through hole movable throttling element flow meter capable of preventing blockage | |
| CN106837933B (en) | A kind of quick accurate detecting method and device of internal leakage of hydraulic valve amount | |
| CN203587156U (en) | High-precision flow rate measuring device without being affected by environmental factor | |
| CN104280076A (en) | High-precision large-diameter vortex flowmeter | |
| CN204286513U (en) | Differential elbowmeter | |
| CN104568021A (en) | Three-screw-rod flow meter | |
| CN208171348U (en) | A kind of thermal vortex-shedding meter | |
| CN207894466U (en) | A kind of high precision positive gear meter | |
| CN101349296A (en) | Hydraulic system power measuring device based on MEMS reducing pipe flow sensor | |
| CN110044425A (en) | A kind of run-in index turbine flow transducer | |
| CN202710115U (en) | Magnetic displacement float flowmeter | |
| KR20050081004A (en) | Device for measuring instantaneous flux in water gauge | |
| CN201421341Y (en) | Pressure-compensated composite flow transmitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |