CN210293332U - Doppler ultrasonic flowmeter - Google Patents
Doppler ultrasonic flowmeter Download PDFInfo
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- CN210293332U CN210293332U CN201921446330.8U CN201921446330U CN210293332U CN 210293332 U CN210293332 U CN 210293332U CN 201921446330 U CN201921446330 U CN 201921446330U CN 210293332 U CN210293332 U CN 210293332U
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Abstract
The utility model discloses a Doppler ultrasonic flowmeter, be in including flowmeter shell, setting ultrasonic emission module, ultrasonic wave receiving module and the control unit in the shell, its characterized in that: still be equipped with water level acquisition sensor on the shell for detect the water level in the river course, and show through external display, water level acquisition sensor's front end is equipped with the detection diaphragm, be equipped with the mounting hole on the side of shell, water level acquisition sensor's front end water seal is fixed on the mounting hole and make the detection diaphragm with the outside intercommunication of shell. The utility model provides a Doppler ultrasonic flowmeter through add water level acquisition sensor on the flowmeter casing, can detect the flow and the water level of river water on the river course simultaneously, and the function is various, convenient to use. In addition, the system also has a wireless communication function, a positioning function and an anti-theft function.
Description
Technical Field
The utility model relates to a flow measuring instrument technical field, more specifically say, relate to a Doppler ultrasonic flowmeter.
Background
A doppler ultrasonic flow meter is a flow measurement device that uses the doppler effect for measurement. Nowadays, it is an important instrument for measuring industrial water and sewage flow, and its practical application is portable and fixed. Ultrasonic transducers have both contact and non-contact types. The working principle of the Doppler ultrasonic flowmeter is as follows: the ultrasonic wave transmitting module transmits ultrasonic waves with certain frequency to bubbles and solid particles in flowing liquid to generate scattered waves, the scattered waves are received by the ultrasonic wave receiving module, when ultrasonic beams are transmitted in the liquid, the transmission time is slightly changed due to the flowing of the liquid, the change of the transmission time is in direct proportion to the flow speed of the liquid, and then the flow condition of the measured liquid can be obtained through conversion.
Doppler ultrasonic flowmeter among the prior art can only detect the flow of flowing liquid usually, can not detect the water level change condition of this flowing liquid simultaneously, and the function is single, if on the river course promptly will detect river discharge when detecting the water level again, still need install water level detection device in addition, and it is not convenient enough to use, needs further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a Doppler ultrasonic flowmeter to solve the flowmeter function singleness among the prior art, can't have the water level detection function simultaneously, awkward problem.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a Doppler ultrasonic flowmeter, includes the flowmeter shell, sets up ultrasonic emission module, ultrasonic wave receiving module and the control unit in the shell, still be equipped with water level acquisition sensor on the shell for detect the water level in the river course, and show through external display, water level acquisition sensor's front end is equipped with the detection diaphragm, be equipped with the mounting hole on the side of shell, water level acquisition sensor's front end water seal is fixed on the mounting hole and make the detection diaphragm with the outside intercommunication of shell.
The control unit comprises a single chip microcomputer, and a memory, a clock module, a buzzer, a USB communication module and a storage battery which are connected with the single chip microcomputer.
The control unit also comprises an anti-theft module and a sound-light alarm module connected with the anti-theft module.
The control unit also includes a positioning module.
The control unit also comprises an RS485/RS232 communication module.
The control unit further comprises a wireless communication unit, and the wireless communication unit comprises a Bluetooth communication module and LORA, NB-IOT and 3G/4G/5G communication modules.
The shell is of a pipeline-shaped structure and is sealed in a water seal mode.
The ultrasonic transmitting module and the ultrasonic receiving module are arranged at the front end of the shell from top to bottom.
The circumference surface of the pipeline-shaped shell is provided with at least one hoop groove.
The utility model has the advantages that:
the utility model provides a Doppler ultrasonic flowmeter through add water level acquisition sensor on the flowmeter casing, can detect the flow and the water level of river water on the river course simultaneously, and the function is various, convenient to use. In addition, the system also has a wireless communication function, a positioning function and an anti-theft function.
Drawings
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Wherein:
fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention, and the technical effects obtained by the present invention are easy to understand, the following is further described for the specific embodiments of the present invention.
It should be noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the embodiment shown in fig. 1, a doppler ultrasonic flowmeter is provided, which includes a flowmeter housing 1, an ultrasonic transmitting module 3, an ultrasonic receiving module 4 and a control unit, which are disposed in the housing 1, and a water level collecting sensor 2 is further disposed on the housing 1 for detecting the water level on the river channel, and the water level collecting sensor can detect the water level on the river channel by collecting the change of the water pressure on the river channel.
The front end of the water level acquisition sensor 2 is provided with a detection diaphragm, the side surface of the front end of the shell 1 is provided with an installation hole 7, the front end of the water level acquisition sensor 2 is fixed on the installation hole 7 in a water sealing way, and the detection diaphragm is communicated with the outer side of the shell 1. Specifically, a base can be arranged in the mounting hole 7, the water level acquisition sensor 2 is fixed on the base through a clamp and a fastening screw, and sealing treatment is performed through sealant.
The main working principle of the water level acquisition sensor is as follows: the pressure of water in river channel directly acts on the detection diaphragm of sensor to make the detection diaphragm produce micro-displacement in direct proportion to the pressure of medium, so that the resistance of sensor is changed, and the change is detected by electronic circuit, and converted to output a standard signal corresponding to the pressure.
The water level acquisition sensor is made of an advanced isolation type diffused silicon sensitive element, can accurately measure the height from a detection diaphragm of the water level acquisition sensor to the water surface, transmits the height to the single chip microcomputer, and can transmit the height to an external display for water level display through a cable or a wireless communication interface and the like.
The water level acquisition sensor has the characteristics that: the sensitivity is high, and the response time is less than or equal to 1 ms; the precision level is high and can reach 0.1 level.
The utility model discloses a flowmeter mainly used detects the flow of river on the river course, still has the function of detecting the river water level simultaneously, and the function is various, convenient to use.
The shell 1 is of a pipeline-shaped structure, and the shell 1 is of a water sealing structure. The ultrasonic transmitting module 2 and the ultrasonic receiving module 3 are arranged at the front end of the shell 1. The circumferential surface of the tubular housing 1 is provided with at least one hoop groove 5. The rear end of the housing 1 is connected to a cable 6.
During the use, the 1 horizontal installation of pipeline form shell is at the bottom, and it is fixed on staple bolt groove 5 to tighten through the subaqueous staple bolt of fixed mounting, is provided with 2 staple bolt grooves 5 in figure 1, can install 2 staple bolts. The cable 6 can transmit signals remotely after penetrating out of the water surface and be connected with external equipment, such as a display and the like.
As shown in fig. 2, the control unit includes a single chip microcomputer, and a memory, a clock module, a buzzer, a USB communication module, and a storage battery connected thereto. The buzzer is used for sound prompt when the control unit works. And the USB communication module is used for being connected with an external USB interface through a cable 6.
Furthermore, the control unit also comprises an anti-theft module and a sound and light alarm module connected with the anti-theft module. The anti-theft module is provided with a vibration detection device, when a person steals the equipment in the using process, the shell 1 can be vibrated, and the sound-light alarm module can send out sound-light alarm on site.
Furthermore, the control unit also comprises a positioning module, the positioning module has a positioning function, the position positioning of the flowmeter is supported, and a user can know the position information of the flowmeter through the cloud platform. The positioning module can adopt a GPS positioning module and the like.
Further, the control unit also comprises an RS485/RS232 communication module, and the RS485/RS232 communication module can be connected with an external interface through a cable 6 for wired connection, and can be used for field debugging, signal transmission, detection and the like.
Further, the control unit also comprises a wireless communication unit, and the wireless communication unit comprises a Bluetooth communication module and LORA, NB-IOT and 3G/4G/5G communication modules. The bluetooth communication module may perform bluetooth communication with an external device. The LORA, NB-IOT and 3G/4G/5G communication modules can be in wireless communication with the cloud platform, and the cloud platform can transmit information to the system platform and the mobile terminal, so that remote detection or control is realized.
The utility model provides a Doppler ultrasonic flowmeter through add water level acquisition sensor on the flowmeter casing, can detect the flow and the water level of river water on the river course simultaneously, and the function is various, convenient to use. In addition, the system also has the functions of wireless communication, positioning and theft prevention, and the sound and light alarm module can give an early warning under the condition that the equipment is stolen. This product utilizes internet of things, and the user can read data such as flow through wired mode like RS485, RS232, also can read flowmeter data through wireless modes such as LORA, NB-IOT, 3G 4G 5G, realizes system platform and cell-phone APP data collection, and real-time early warning has made things convenient for user's use.
The above embodiments and drawings are only for illustrating the technical solutions of the present invention and do not constitute limitations of the present invention. It should be noted that, a person skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for part or all of the technical features, and such modifications or substitutions are included in the scope of the present invention as claimed in the claims.
Claims (9)
1. The utility model provides a Doppler ultrasonic flowmeter, includes the flowmeter shell, sets up ultrasonic emission module, ultrasonic wave receiving module and the control unit in the shell, its characterized in that: still be equipped with water level acquisition sensor on the shell for detect the water level in the river course, and show through external display, water level acquisition sensor's front end is equipped with the detection diaphragm, be equipped with the mounting hole on the side of shell, water level acquisition sensor's front end water seal is fixed on the mounting hole and make the detection diaphragm with the outside intercommunication of shell.
2. The doppler ultrasonic flow meter of claim 1, wherein: the control unit comprises a single chip microcomputer, and a memory, a clock module, a buzzer, a USB communication module and a storage battery which are connected with the single chip microcomputer.
3. The doppler ultrasonic flow meter of claim 2, wherein: the control unit also comprises an anti-theft module and a sound-light alarm module connected with the anti-theft module.
4. The doppler ultrasonic flow meter of claim 2, wherein: the control unit also includes a positioning module.
5. The doppler ultrasonic flow meter of claim 2, wherein: the control unit also comprises an RS485/RS232 communication module.
6. The doppler ultrasonic flow meter of claim 2, wherein: the control unit further comprises a wireless communication unit, and the wireless communication unit comprises a Bluetooth communication module and LORA, NB-IOT and 3G/4G/5G communication modules.
7. The doppler ultrasonic flow meter of claim 1, wherein: the shell is of a pipeline-shaped structure and is sealed in a water seal mode.
8. The doppler ultrasonic flow meter of claim 7, wherein: the ultrasonic transmitting module and the ultrasonic receiving module are arranged at the front end of the shell from top to bottom.
9. The doppler ultrasonic flow meter of claim 7, wherein: the circumference surface of the pipeline-shaped shell is provided with at least one hoop groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446330.8U CN210293332U (en) | 2019-09-02 | 2019-09-02 | Doppler ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446330.8U CN210293332U (en) | 2019-09-02 | 2019-09-02 | Doppler ultrasonic flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN210293332U true CN210293332U (en) | 2020-04-10 |
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| CN201921446330.8U Active CN210293332U (en) | 2019-09-02 | 2019-09-02 | Doppler ultrasonic flowmeter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504370A (en) * | 2020-12-09 | 2021-03-16 | 苏州瀚泰克高新科技有限公司 | Sewage flow meter based on NB-IoT communication technology |
| CN115096388A (en) * | 2022-05-31 | 2022-09-23 | 浙江威星智能仪表股份有限公司 | Intelligent ultrasonic water meter based on Bluetooth and NB-IoT |
-
2019
- 2019-09-02 CN CN201921446330.8U patent/CN210293332U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504370A (en) * | 2020-12-09 | 2021-03-16 | 苏州瀚泰克高新科技有限公司 | Sewage flow meter based on NB-IoT communication technology |
| CN115096388A (en) * | 2022-05-31 | 2022-09-23 | 浙江威星智能仪表股份有限公司 | Intelligent ultrasonic water meter based on Bluetooth and NB-IoT |
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