CN207907957U - A kind of Ultrasonic Doppler Flowmeter - Google Patents
A kind of Ultrasonic Doppler Flowmeter Download PDFInfo
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- CN207907957U CN207907957U CN201820253934.XU CN201820253934U CN207907957U CN 207907957 U CN207907957 U CN 207907957U CN 201820253934 U CN201820253934 U CN 201820253934U CN 207907957 U CN207907957 U CN 207907957U
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Abstract
The utility model discloses a kind of Ultrasonic Doppler Flowmeters, it is related to water conservancy detection field, including detection device, the communications cable and host computer, it is characterized in that detection device includes shell, sealed compartment, ultrasonic listening mechanism module and/or level monitoring mechanism module and automatically cleaning module, automatically cleaning module can be to ultrasonic listening mechanism module, level monitoring mechanism module cleans, prevent sensor from polluting, improve the accuracy of measurement result, simultaneously, the non-contact measurement structure of level monitoring mechanism module, reduce the possibility of sensor pollution, the utility model not only increases measurement accuracy, and extend the service life of product, with good economic efficiency and social benefit.
Description
Technical field
The utility model is related to water conservancy detection fields, especially Ultrasonic Doppler Flowmeter field.
Background technology
Ultrasonic Doppler Flowmeter is a set of fluid flow monitoring device, is mainly used in urban drainage pipe network (rainwater
Pipe, sewage pipe, confluence of rainwater and sewage pipe), in rivers and canals flow online auto monitoring, for acquire the flow of pipeline, rivers and canals etc., flow velocity and
The information such as liquid level are drainage pipeline networks flow simulation and verification, flood simulation, drainage pipeline networks maintenance, River Hydrology monitoring and irrigation
Informationization etc. offers precise data information.
Ultrasonic Doppler Flowmeter such as Fig. 4 is usually by 300 groups of host computer 100, the communications cable 200 and monitoring device
At extrapolating instantaneous flow and integrated flow according to section configuration and time span by monitoring liquid level and flow velocity.Existing prison
300 structure design of device is surveyed as shown in figure 5, mainly forming 30 by shell 2, ultrasonic probe 6, pressure sensor, ultrasonic wave is visited
First 6 ultrasonic signal and calculate flow velocity after the processing of host computer 100 for transmitting and receiving, and pressure sensor 30 is used for liquid
Pressure monitors and show that liquid level, wherein pressure sensor are fixed on enclosure after host computer is handled, and shell is equipped with
Exploration hole 40, by these exploration holes 40 so that pressure sensor 30 is in direct contact measurement fluid pressure with outside liquid, however,
Exploration hole 40 causes to measure and be not allowed easily by the impurity and sludge blockage in liquid, and foreign matter is easy to touch by exploration hole 4
Pressure sensor damages pressure sensor.Meanwhile 6 surface of ultrasonic probe has been easy foreign matter attachment, influences ultrasonic wave
Transmitting and signal receive.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide one kind：Ultrasound with self-cleaning function
Wave Doppler flowmeter.
Technical solution used by the utility model is：
A kind of Ultrasonic Doppler Flowmeter, including detection device, the communications cable and host computer, which is characterized in that described
Detection device includes shell, sealed compartment, automatically cleaning module, ultrasonic listening mechanism module and/or level monitoring mechanism module；
Ultrasonic listening mechanism module is fixed on one end of the shell, for transmitting and receiving ultrasonic signal, and will
Monitoring result is sent to the host computer by the communications cable；
Level monitoring mechanism module is fixed the lower section of be set forth in shell and is connected to the sealed compartment, for monitoring liquid pressure
Power, and monitoring result is sent to the host computer by the communications cable；
Automatically cleaning module is fixed on one end of the shell, for cleaning the ultrasonic listening mechanism module and the liquid
Position mechanism for monitoring module.
Ultrasonic listening mechanism module includes ultrasonic probe, installing frame, stomata, and the ultrasonic probe is fixed on described
In installing frame, the installing frame is fixed on one end of the shell, the ultrasonic probe by the communications cable with it is described
Host computer is electrically connected, and around the ultrasonic probe, the stomata is connected to the gas cell distribution with the sealed compartment.
Level monitoring mechanism module includes pressure sensor core, pressure sensor core slot, air slot, the air slot
In the enclosure, described air slot one end is connected to pressure sensor core slot, and the other end of air slot is connected to testing liquid,
The pressure sensor core is fixed in pressure sensing tank, is led between the pressure sensor core and the testing liquid
Cross the air insulated in the air slot.
Automatically cleaning module includes gas-guide tube, adapter, air pump, and the adapter on the housing, is used for described in fixation
Gas-guide tube, one end of the gas-guide tube are located at the inside of the sealed compartment, and the other end of the gas-guide tube connects the air pump.
The air slot of level monitoring mechanism module includes at least one air intake duct, one end of the air intake duct and testing liquid
Connection, the other end of air intake duct converge to an overall channel, and the overall channel is connected to pressure sensor core slot.
The control mode of the air pump of automatically cleaning module includes timing controlled, remote control.
The gas-guide tube material of automatically cleaning module includes silica gel, the gas-guide tube and the adapter elastic connection.
One end setting that pressure sensor core slot in level monitoring mechanism module is connect with the air slot is multiple small
Hole.
The utility model has the beneficial effects that：Ultrasonic listening by automatically cleaning module to Ultrasonic Doppler Flowmeter
Mechanism module, level monitoring mechanism module are timed or remotely clean, and reduce sensor pollution, improve the accurate of measurement
Degree, meanwhile, the non-contact measurement structure of level monitoring mechanism module reduces the possibility of sensor pollution, the utility model
The accuracy of measurement result is not only increased, and extends the service life of product, it is with good economic efficiency and social
Benefit.
Description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of product structure schematic diagram of specific embodiment of the present invention；
Fig. 2 is a kind of product structure schematic diagram of the detection device of specific embodiment of the present invention；
Fig. 3 is a kind of product structure explosive view of the detection device of specific embodiment of the present invention；
Fig. 4 is the structure chart signal of existing Ultrasonic Doppler Flowmeter；
Fig. 5 is the product structure schematic diagram of the detection device of existing Ultrasonic Doppler Flowmeter.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As depicted in figs. 1 and 2, a kind of Ultrasonic Doppler Flowmeter, including detection device 310, the communications cable 200 and on
Position machine 100, detection device includes shell 2 (upper casing 3, bottom case 4), sealed compartment 5, ultrasonic listening mechanism module, level monitoring machine
Structure module and automatically cleaning module；
Ultrasonic listening mechanism module includes ultrasonic probe 6, installing frame 7, stomata 8, and the ultrasonic probe 6 is fixed on
In the installing frame 7, installing frame 7 is fixed on one end of the shell 2, and the ultrasonic probe 6 passes through the communications cable 200 and institute
The connection of host computer 100 is stated, stomata 8 is distributed in around the ultrasonic probe 6, and stomata 8 is connected to sealed compartment 5.
Ultrasonic listening mechanism module ultrasonic signal for transmitting and receiving, and monitoring result is passed through into the communication line
Cable 200 is sent to host computer 100；
As shown in figure 3, level monitoring mechanism module includes pressure sensor core, pressure sensor core slot 9 and air guide
Slot 10, air slot 10 are connected to pressure sensor core slot 9, the other end of air slot in the enclosure, 10 one end of air slot
It is connected to testing liquid, pressure sensor core is fixed in pressure sensing tank 9, between pressure sensor core and testing liquid
Pass through the air insulated in air slot 10.There are multiple apertures in one end that pressure sensor core slot 9 is connect with air slot 10.
The air slot 10 of level monitoring mechanism module includes multiple air intake ducts 11, and one end and the testing liquid of air intake duct 11 connect
Logical, the other end of air intake duct converges to an overall channel 12, and pressure sensor core slot 9 is assemblied in overall channel 12.
Level monitoring mechanism module monitors for liquid pressure and obtains liquid level after the processing of host computer 100.
As shown in Fig. 2, automatically cleaning module includes gas-guide tube (interior gas-guide tube 13 and outer gas-guide tube 15), adapter 14, air pump
16, the adapter 14 is located at the case surface, and for fixing the gas-guide tube, one end of interior gas-guide tube 13 is positioned at described close
Inside one end of batten down is connected with adapter 14, and one end of outer gas-guide tube 15 is connected with adapter 14, outer gas-guide tube 15 it is another
End connection air pump.
Automatically cleaning module prevents sludge to ultrasound with to ultrasonic listening mechanism module and the cleaning of level monitoring mechanism module
The pollution of wave detection agency module and level monitoring mechanism.
The function of automated cleaning, the air pump of automatically cleaning module may be implemented in the utility model Ultrasonic Doppler Flowmeter
16 can be inflated by gas-guide tube 13,15 into sealed compartment 5, by remote control or time-controlled mode in sealed compartment 5
Air pressure quickly increases, and when the high pressure gas in sealed compartment is gone out by the stomata 8 of ultrasonic listening mechanism module, air-flow passes through
The surface of ultrasonic probe 6 takes away 6 surface deposits of ultrasonic probe, plays clean effect.High pressure in sealed compartment 5
Gas is by the aperture of pressure sensor core slot 9, can will be in gas circuit into overall channel 12 and when being discharged by air slot 10
Silt is discharged to outside monitoring device, reaches clean effect.After the completion of cleaning, the power of air pump is continuously decreased, until closing
Air pump.
It is to be illustrated to the preferable implementation of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (8)
1. a kind of Ultrasonic Doppler Flowmeter, including detection device, the communications cable and host computer, which is characterized in that the spy
It includes shell, sealed compartment, automatically cleaning module, ultrasonic listening mechanism module and/or level monitoring mechanism module to survey device；
The ultrasonic listening mechanism module is fixed on one end of the shell, for transmitting and receiving ultrasonic signal, and will
Monitoring result is sent to the host computer by the communications cable；
The level monitoring mechanism module is fixed on the lower section of the shell and is connected to the sealed compartment, for monitoring liquid pressure
Power, and monitoring result is sent to the host computer by the communications cable；
The automatically cleaning module is fixed on one end of the shell, for cleaning the ultrasonic listening mechanism module and the liquid
Position mechanism for monitoring module.
2. Ultrasonic Doppler Flowmeter according to claim 1, which is characterized in that the ultrasonic listening mechanism module
Including ultrasonic probe, installing frame, stomata, the ultrasonic probe is fixed in the installing frame, and the installing frame is fixed on
One end of the shell, the ultrasonic probe are electrically connected by the communications cable and the host computer, the stomata point
It is distributed in around the ultrasonic probe, the stomata is connected to the sealed compartment.
3. Ultrasonic Doppler Flowmeter according to claim 1, which is characterized in that the level monitoring mechanism module packet
Pressure sensor core, pressure sensor core slot, air slot are included, the air slot is in the enclosure, the air slot
One end is connected to pressure sensor core slot, and the other end of air slot is connected to testing liquid, and the pressure sensor core is fixed on
In pressure sensing tank, between the pressure sensor core and the testing liquid by the air in the air slot every
From.
4. Ultrasonic Doppler Flowmeter according to claim 1, which is characterized in that the automatically cleaning module includes air guide
Pipe, adapter, air pump, on the housing, for fixing the gas-guide tube, one end of the gas-guide tube is located at the adapter
The other end of the inside of the sealed compartment, the gas-guide tube connects the air pump.
5. Ultrasonic Doppler Flowmeter according to claim 3, which is characterized in that the level monitoring mechanism module
Air slot includes at least one air intake duct, and one end of the air intake duct is connected to testing liquid, and the other end of air intake duct converges to
One overall channel, the overall channel are connected to pressure sensor core slot.
6. Ultrasonic Doppler Flowmeter according to claim 4, which is characterized in that the air pump of the automatically cleaning module
Control mode includes timing controlled, remote control.
7. Ultrasonic Doppler Flowmeter according to claim 4, which is characterized in that the gas-guide tube of the automatically cleaning module
Material includes silica gel, the gas-guide tube and the adapter elastic connection.
8. Ultrasonic Doppler Flowmeter according to claim 3, which is characterized in that in the level monitoring mechanism module
One end for being connect with the air slot of pressure sensor core slot multiple apertures are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820253934.XU CN207907957U (en) | 2018-02-11 | 2018-02-11 | A kind of Ultrasonic Doppler Flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820253934.XU CN207907957U (en) | 2018-02-11 | 2018-02-11 | A kind of Ultrasonic Doppler Flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207907957U true CN207907957U (en) | 2018-09-25 |
Family
ID=63560928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820253934.XU Active CN207907957U (en) | 2018-02-11 | 2018-02-11 | A kind of Ultrasonic Doppler Flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207907957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155230A (en) * | 2021-04-01 | 2021-07-23 | 英顾环境技术(上海)有限公司 | Liquid level detection antifouling device for evaporation tank |
-
2018
- 2018-02-11 CN CN201820253934.XU patent/CN207907957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155230A (en) * | 2021-04-01 | 2021-07-23 | 英顾环境技术(上海)有限公司 | Liquid level detection antifouling device for evaporation tank |
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