CN109799362A - A kind of Flow speed measurer - Google Patents
A kind of Flow speed measurer Download PDFInfo
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- CN109799362A CN109799362A CN201910085774.1A CN201910085774A CN109799362A CN 109799362 A CN109799362 A CN 109799362A CN 201910085774 A CN201910085774 A CN 201910085774A CN 109799362 A CN109799362 A CN 109799362A
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- end cylinder
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- shell
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Abstract
The present invention relates to a kind of Flow speed measurers, belong to water conservancy detection technique field.The diameter of the front end cylinder is greater than rear end cylinder, the tail portion of the rear end cylinder is provided with the empennage of multiple trapezoidal structures, first pressure sensor and temperature sensor are provided in the left sensor detection mouth, it is provided with first pressure sensor and temperature sensor in the intermediate sensor detection mouth, is provided with second pressure sensor in the right sensor detection mouth.Usefulness of the present invention is: detector detects pressure and temperature data, data collector is transferred to by data line, the detection shell of different-diameter is set, can taking human as change water velocity, and cavity transparent back and forth can be effectively prevented the barriers occlusion detector such as weeds；Multiple pressure sensors are set in specific position, can be measured that the minor change of hydraulic pressure value, these minor changes can be converted to by flow velocity according to bernoulli principle calculating.Structure of the invention is novel, easy to operate.
Description
Technical field
The present invention relates to a kind of Flow speed measurers, belong to water conservancy detection technique field.
Background technique
Velocity of flow flow instrument is a kind of instrument for measuring flow rate of liquid, and the use scope of Flow speed measurer is relatively broad,
The flow measurement of open channel flow velocity is carried out in field for departments such as factories and miness, environmental monitoring station, farmland discharging-irrigating, surveys for the purpose of locating hydrogeological resources.
Currently, flow rate detection is based on turbine rotary test principle, office in known status of the water area detection quasi-instrument on the market
It is sex-limited too big, it is not capable of measuring microflow rate, and turbine mechanism easily generates stuck failure when encountering the sundries such as water plant, causes instrument
Device damage, and it is inconvenient to use.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of new structural Flow speed measurer is provided, to solve in industry
Problems faced.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions: a kind of Flow speed measurer, packet
Include detector and data collector, the detector is provided with detection shell, and the detection shell is different by two diameters and not
Concentric front end cylinder and rear end cylinder is formed by connecting, and the diameter of the front end cylinder is greater than rear end cylinder, the rear end cylinder
Tail portion be provided with the empennages of multiple trapezoidal structures, the top of the front end cylinder and rear end cylinder is set gradually from left to right
Have left sensor detection mouth, intermediate sensor detection mouth and a right sensor detection mouth, left sensor detection mouth, in
Between sensor detection mouth and the right sensor detection mouth extend through the inside of the front end cylinder and rear end cylinder, the left side
It is provided with first pressure sensor and the first temperature sensor in sensor detection mouth, is arranged in the intermediate sensor detection mouth
There are second pressure sensor and second temperature sensor, is provided with third pressure sensor in the right sensor detection mouth.
Preferably, the data collector is provided with acquisition shell, it is provided with liquid crystal display on the acquisition shell,
It is additionally provided with regulation button on the acquisition shell, is additionally provided with multiple data output input mouths in the acquisition shell.
Preferably, being additionally provided with charging port and acquisition shell switch on the acquisition shell.
Preferably, dividing on the left sensor detection mouth, intermediate sensor detection mouth and the right sensor detection mouth
It is not provided with buoyancy circle.
Preferably, the quantity of the empennage is at least three.
Preferably, the detector is connected together with data collector by data line.
Preferably, the data line includes data transmission line and sensor power supply line.
Compared with prior art, usefulness of the present invention is: detector detects pressure and temperature data, passes through data
Line is transferred to data collector, and data collector is analyzed received data, shown；The detection shell of different-diameter is set
Body, can taking human as change water velocity, and cavity design structure transparent back and forth can be effectively prevented the obstacles such as weeds
Object occlusion detector；Multiple pressure sensors are set in specific position, can be measured that the minor change of hydraulic pressure value, data acquisition
Device receives the temperature data of the variation of these slight pressures and temperature sensor, can be small by these according to bernoulli principle calculating
Variation is converted to flow velocity.
Detailed description of the invention:
The following further describes the present invention with reference to the drawings.
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the main view of detector.
Fig. 3 is the right view of detector.
Fig. 4 is A-A cross-sectional view.
Fig. 5 is the main view of data collector.
Fig. 6 is the left view of data collector.
Fig. 7 is the schematic diagram of signal acquisition magnification circuit plate.
Fig. 8 is data processing schematic diagram of the invention.
In figure: detector 1；Data collector 2；Acquire shell 201；Liquid crystal display 202；Regulation button 203；Data are defeated
Input port 204 out；Charging port 205；Acquire shell switch 206；Detect shell 3；Front end cylinder 301；Rear end cylinder 302；
Left sensor detects mouth 303；Intermediate sensor detects mouth 304；The right sensor detects mouth 305；First pressure sensor
306；First temperature sensor 307；Second pressure sensor 308；Second temperature sensor 309；Third pressure sensor 310；
Empennage 311；Buoyancy circle 4；Data line 5.
Specific embodiment:
With reference to the accompanying drawing and specific embodiment the present invention will be described in detail: a kind of flow velocity according to fig. 1 to fig. 6
Measuring instrument, including detector 1 and data collector 2, the detector 1 are provided with detection shell 3, and the detection shell 3 is by two
A diameter is different and the front end cylinder 301 and rear end cylinder 302 of decentraction are formed by connecting, and the diameter of the front end cylinder 301 is big
In rear end cylinder 302, the tail portion of the rear end cylinder 302 is provided with the empennage 311 of multiple trapezoidal structures, the rear end cylinder
302 and front end cylinder 301 top be disposed with from left to right left sensor detection mouth 303, intermediate sensor detection mouth
304 and the right sensor detect mouth 305, left sensor detection mouth 303, intermediate sensor detection mouth 304 and the right pass
Sensor detection mouth 305 extends through the inside of the front end cylinder 301 and rear end cylinder 302, and the left sensor detects mouth
First pressure sensor 306 and the first temperature sensor 307 are provided in 303, the intermediate sensor detects the inner setting of mouth 304
There are second pressure sensor 308 and second temperature sensor 309, is provided with third pressure in the right sensor detection mouth 305
Force snesor 310.
In order to see data in real time, further, the data collector 2 is provided with acquisition shell 201, the acquisition shell
It is provided with liquid crystal display 202 on body 201, regulation button 203, the acquisition shell are additionally provided on the acquisition shell 201
Multiple data output input mouths 204 are additionally provided in 201.
In order to facilitate charging and switching, further, it is additionally provided with charging port 205 on the acquisition shell 201 and adopts
Collect shell switch 206.
In order to make sensor in water upward, further, the left sensor detects mouth 303, middle detector
Buoyancy circle 4 is respectively arranged on device detection mouth 304 and the right sensor detection mouth 305.
In order to accurately control direction, further, the quantity of the empennage 311 is at least three.
In order to realize the transmission of data, further, the detector 1 and data collector 2 are connected to by data line 5
Together.
In order to realize the purpose of charging and data transmission, further, the data line 5 includes data transmission line and sensing
Device power supply line.
In use, detector 1 is thrown into waters when measuring unknown waters, each sensor and data collector 2 are connected
On power supply, pass through first pressure sensor 306, second pressure sensor 308 and third pressure sensor 310 and first
Temperature sensor 307 and second temperature sensor 309 detect water body pressure value and temperature value, these data can pass through data
In line 5 real-time transmission to data collector 2, when static and detector is horizontal in waters for detector 1, first pressure sensor
306 is equal with the pressure value that second pressure sensor 308 and third pressure sensor 310 detect, at this time data collector 2
It shows that flow velocity is zero, signal acquisition amplifying circuit is equipped with inside data collector 2, pressure value can be converted to depth value.
When there is flow velocity in waters, the empennage 311 of detector 1 can make the front end circle for detecting shell 3 according to mechanics design principle
Always in face of the direction of water flow, such water flow will enter cylinder 301 from front end cylinder 301, and flow out from rear end cylinder 302,
To make water flow by the inner cavity of detection shell 3, at this time according to working fluid pressure principle (bernoulli principle), the second of front end
Pressure sensor 308 is equal with the pressure value of third pressure sensor 310 and is less than 306 pressure of rear end first pressure sensor
Value, in conjunction with the size and temperature data of cavity before and after pre-set detector, data collector 2 can be calculated and be converted defeated
Flow speed value out, it is real-time according to pressure difference and temperature value that data collector 2 can integrate acquisition pressure, the water bodys situation such as temperature in real time
The flow velocity in transition detection waters.
When water speed is not zero, data line 5 will receive the pulling force parallel with flow velocity can judge water (flow) direction whereby.Buoyancy circle
4 design can be always maintained at one side of the detector 1 with pressure sensor upward and three pressure sensors is assisted to be in real time
Sustained height, second pressure sensor 308 is equal with the detectable signal number of third pressure sensor 310 at this time, data acquisition
Device 2 will automatically calculate the average value of 310 number of the intracorporal second pressure sensor 308 of ante-chamber and third pressure sensor, and tie
306 pressure value of pressure sensor and water temperature closed close to empennage calculate flow velocity.
If water body inner case excessively complexity leads to detection, shell 3 is not horizontal, second pressure sensor 308 and third pressure
The number that force snesor 310 detects is unequal, the tilt angle of detection shell 3 can be calculated in conjunction with bernoulli principle, in this way
Second pressure sensor 308 and third pressure sensing can be calculated according to detection shell 3 size combination Pythagorean theorem itself
The relative position of device 310 and first pressure sensor 306 in conjunction with bernoulli principle and then calculates flow speed value.
The setting of data collector 2 fourth gear is adjustable, can rotate regulation button 203 as needed, show different parameter values, adopt
Acquisition, amplification, conversion output circuit are set in collection shell 201, can be acquired every electric signal of sensor input in real time, be acquired shell
Storage unit is also set up inside 201, the acquisition data of record detection in real time simultaneously can import data to pc machine, in acquisition shell 201 also
It is provided with rechargable power supplies, it is ensured that collector 12 hours uninterrupted steady operations facilitate field work, and two pieces of outfit is spare
Battery is to prevent emergency case.
A charge port and a switch button and three data output input mouths 204, side is arranged in data collector 2
Just comparison data is inputted when data acquisition and collector are calibrated, three data input output ports 204 can acquire pressure,
The electrical signal datas such as temperature are extracted with data line 5 after acquisition and withdraw detector 1.
As shown in Figure 7 and Figure 8, Fig. 7 is the schematic diagram of signal acquisition magnification circuit plate, and Fig. 8 is data processing of the invention
Schematic diagram, further includes signal acquisition magnification circuit plate and single-chip microcontroller in data collector 2, the preferred 80C51 of the model of single-chip microcontroller, and
One temperature sensor 307, second temperature sensor 309 and first pressure sensor 306, second pressure sensor 308 and
Three pressure sensors 310 issue temperature signal 1, temperature signal 2, pressure signal 1, pressure signal 2, pressure signal 3 respectively, above-mentioned
These signals pass through generates five road voltage signal of U1, U2, U3, U4, U5 respectively after signal acquisition magnification circuit plate amplifies, and above-mentioned five
Road voltage signal is transmitted on single-chip microcontroller again, calculates corresponding flow velocity, depth, the data of pressure and temperature simultaneously by single-chip microcontroller
It is shown on liquid crystal display 202, thus realizes the purpose of the various status of the water area such as real-time measurement waters flow velocity.
It is emphasized that: the above is only presently preferred embodiments of the present invention, not make in any form to the present invention
Limitation, any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
All of which are still within the scope of the technical scheme of the invention.
Claims (7)
1. a kind of Flow speed measurer, it is characterised in that: including detector (1) and data collector (2), the detector (1) is set
It is equipped with detection shell (3), detection shell (3) is by two diameters differences and the front end cylinder (301) and rear end circle of decentraction
Cylinder (302) is formed by connecting, and the diameter of the front end cylinder (301) is greater than rear end cylinder (302), the rear end cylinder (302)
Tail portion is provided with the empennage (311) of multiple trapezoidal structures, the top of the rear end cylinder (302) and front end cylinder (301) from
Left-to-right is disposed with left sensor detection mouth (303), intermediate sensor detection mouth (304) and the right sensor detection mouth
(305), left sensor detection mouth (303), intermediate sensor detection mouth (304) and the right sensor detection mouth (305)
Extend through the inside of the front end cylinder (301) and rear end cylinder (302), mouth (303) are inner sets for the left sensor detection
It is equipped with first pressure sensor (306) and the first temperature sensor (307), mouth (304) are inner is arranged for the intermediate sensor detection
There are a second pressure sensor (308) and second temperature sensor (309), mouth (305) are inner is provided with for the right sensor detection
Third pressure sensor (310).
2. Flow speed measurer according to claim 1, it is characterised in that: the data collector structure (2), which is provided with, adopts
Collect shell (201), is provided with liquid crystal display (202) on the acquisition shell (201), is also set on the acquisition shell (201)
It is equipped with regulation button (203), multiple data output input mouths (204) is additionally provided in the acquisition shell (201).
3. Flow speed measurer according to claim 2, it is characterised in that: it is additionally provided with and fills on the acquisition shell (201)
Electric port (205) and acquisition shell switch (206).
4. Flow speed measurer according to claim 1, it is characterised in that: left sensor detection mouth (303), centre
Buoyancy circle (4) are respectively arranged in sensor detection mouth (304) and the right sensor detection mouth (305).
5. Flow speed measurer according to claim 1, it is characterised in that: the quantity of the empennage (311) is at least three.
6. Flow speed measurer according to claim 1, it is characterised in that: the detector (1) and data collector (2) are logical
Data line (5) is crossed to connect together.
7. Flow speed measurer according to claim 7, it is characterised in that: the data line (5) include data transmission line and
Sensor power supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910085774.1A CN109799362A (en) | 2019-01-29 | 2019-01-29 | A kind of Flow speed measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910085774.1A CN109799362A (en) | 2019-01-29 | 2019-01-29 | A kind of Flow speed measurer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109799362A true CN109799362A (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910085774.1A Pending CN109799362A (en) | 2019-01-29 | 2019-01-29 | A kind of Flow speed measurer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590623A (en) * | 2020-05-29 | 2020-08-28 | 南宁学院 | Multifunctional mechanical arm |
| CN113985058A (en) * | 2021-12-27 | 2022-01-28 | 南京宁禄科技有限公司 | Ship navigational speed measuring instrument based on four-quadrant water pressure acquisition |
-
2019
- 2019-01-29 CN CN201910085774.1A patent/CN109799362A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590623A (en) * | 2020-05-29 | 2020-08-28 | 南宁学院 | Multifunctional mechanical arm |
| CN113985058A (en) * | 2021-12-27 | 2022-01-28 | 南京宁禄科技有限公司 | Ship navigational speed measuring instrument based on four-quadrant water pressure acquisition |
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