CN214150784U

CN214150784U - Automatic timing measurement system of acoustic Doppler current profiler

Info

Publication number: CN214150784U
Application number: CN202120325758.8U
Authority: CN
Inventors: 谢小娇; 郁君晖
Original assignee: Shanghai Hengpu Technology Co ltd
Current assignee: Shanghai Hengpu Technology Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-07
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses an automatic timing measurement system of acoustics Doppler velocity of flow profiler, including terminal control device, timing control device, sensing device and power supply unit, timing control device with terminal control device passes through wireless communication connection, sensing device with timing control device communication connection, power supply unit gives automatic timing measurement system provides the power, timing control device can arrange acoustics Doppler velocity of flow profiler in the water level position that sets up in advance according to terminal control device preset's positional information control sensing device to through preset's time information, realize automatic fixed point, the timing measurement velocity of flow.

Description

Automatic timing measurement system of acoustic Doppler current profiler

Technical Field

The utility model relates to a water environment monitoring field, concretely relates to automatic timing measurement system of acoustics Doppler current profiler.

Background

In the relevant measurement of the hydrological environment, the cross-sectional flow velocity measurement of a certain area is one of the most important observation elements, and the current cross-sectional flow velocity test mainly comprises the following steps: according to a scientific test scheme, acoustic Doppler current profilers and ocean current profilers are arranged at a plurality of preset positions in rivers, lakes and rivers to be tested to form a profile current monitoring network, so that the current field of the whole watershed to be tested is measured.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, an object of the present invention is to provide an automatic timing measurement system for acoustic doppler current profilers, which can realize automatic fixed point and timing measurement of current velocity through preset time information and position information, and reduce labor cost.

To achieve the above and other related objects, the present invention provides an automatic timing measurement system for an acoustic doppler current profiler, comprising:

the terminal control device comprises a microprocessor, and the microprocessor is arranged in the terminal control device;

the timing control device is connected with the terminal control device through wireless communication and comprises a counter, a memory, a register and a comparator, wherein the memory is connected with the counter, the register is connected with the memory, and the comparator is respectively connected with the counter and the register;

the sensing device comprises a water level sensor and a position sensor, and the water level sensor and the position sensor are respectively in communication connection with the timing control device;

and the power supply device is electrically connected with the terminal control device, the timing control device and the sensing device.

In one embodiment, the comparator is an LM324, LM358, uA741 chip.

In one embodiment, the terminal control device is a computer, a server, or a mobile terminal.

In one embodiment, the counter performs a counting operation based on an input clock signal.

In an embodiment, the register is a mode register or a control register.

In one embodiment, the timing control device is a singlechip-based timing control device.

In one embodiment, the water level sensor and the position sensor are respectively in communication connection with the timing control device through an RS422 or RS485 or RS232 communication interface.

In one embodiment, the timing control device further comprises a driving device, and the driving device is connected with the timing control device.

As above, the utility model provides an automatic timing measurement system of acoustics doppler velocity of flow section appearance, including terminal control device, timing control device, sensing device and power supply unit, timing control device with terminal control device passes through wireless communication and connects, sensing device with timing control device communication connection, power supply unit gives automatic timing measurement system provides the power, timing control device can arrange acoustics doppler velocity of flow section appearance in the water level position of presetting according to terminal control device preset's positional information control sensing device to through preset's time information and positional information, realize automatic fixed point, regularly measure the velocity of flow, reduce the human cost.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic timing measurement system of an acoustic doppler current profiler according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a timing control device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The acoustic Doppler current profiler is a water acoustic current meter for measuring water speed, the principle of the acoustic Doppler current profiler is similar to that of sonar, the acoustic Doppler current profiler emits sound waves into water, and scatterers in the water scatter the sound waves; the acoustic Doppler current profiler receives the echo signals returned by the scatterers and calculates the current by analyzing the Doppler effect frequency shift. In the application of the acoustic Doppler flow velocity profiler in the measurement of the profile flow velocity, firstly, the position of a measuring point is required to be fixed, large drift cannot occur in the measurement process, secondly, the whole velocity measurement needs manual real-time operation from the beginning to the end, and the timing measurement cannot be realized.

The utility model provides an automatic timing measurement system of acoustics Doppler velocity of flow profiler, including terminal control device, timing control device, sensing device and power supply unit, timing control device with terminal control device passes through wireless communication connection, sensing device with timing control device communication connection, power supply unit gives automatic timing measurement system provides the power, timing control device can arrange acoustics Doppler velocity of flow profiler in the water level position that sets up in advance according to terminal control device preset's positional information control sensing device to through preset's time information, realize automatic fixed point, regularly measure the velocity of flow, reduce the human cost.

Referring to fig. 1, the utility model provides an automatic timing measurement system of acoustic doppler current profiler, including terminal control device 1, terminal control device 1 includes a microprocessor, microprocessor arranges in inside the terminal control device for set for time information and positional information to acoustic doppler current profiler. The time information may be, for example, in minutes or hours, and the location information may be, for example, the location of an acoustic doppler flow profiler at a specific point in the river. The setting of the time information and the position information may be determined according to actual requirements. The terminal control device 1 may be, for example, a computer, a server, a mobile terminal, or the like.

Referring to fig. 1 and fig. 2, the automatic timing measurement system further includes a timing control device 2, the timing control device 2 is connected to the terminal control device 1 through a wireless communication connection, which may be, for example, a bluetooth, WIFI, or the like, the timing control device 2 includes a counter 21, a memory 22, a register 23, and a comparator 24, where the counter 21 is used to count pulse signals, the memory 22 is connected to the counter 21, the memory 22 is used to receive time information preset by the terminal control device 1 and store timeout time corresponding to the time information, the register 23 is connected to the memory 22, the register 23 is used to control starting or stopping of the timing control device 2, and the comparator 24 is connected to the counter 21 and the register 23 respectively, the comparator 24 is used for comparing the output value of the counter 21 with the timeout time stored in the memory 22, and when the two sets of time data are consistent, the comparator 24 outputs an interrupt signal to the terminal control device 1. In an embodiment, the counter 21 performs a counting operation based on an input clock signal CLK, for example, and outputs a count value to the comparator 24, and the counter 21 is configured to be a 16-bit counter, for example, and outputs a 16-bit count value to the comparator 24. Further, when the count value returns to "0" from the maximum value, the counter 21 generates a "completion signal" and outputs the generated "completion signal" to the memory 22, and the count value can be read by the terminal control device 1. The register 23 may be, for example, a mode register TMOD or a control register TCOM. The comparator 24 may be, for example, a chip such as LM324, LM358, uA741, or the like. The timing control device 2 may be, for example, a timing control device based on a single chip microcomputer.

Referring to fig. 1, the automatic timing measurement system further includes a sensing device 3, the sensing device 3 includes a water level sensor 31 and a position sensor 32, the water level sensor 31 and the position sensor 32 are respectively in communication connection with the timing control device 2, for example, the communication interface may be a communication interface such as RS422, RS485, RS232, and the like, the sensing device 2 may collect river water level information and position information of the acoustic doppler flow profiler, further, the water level sensor 31 may measure water level data of a target and transmit the water level data to the timing control device 2, and the position sensor 32 may detect the position information of the acoustic doppler flow profiler in real time and transmit the position information to the timing control device 2 in time. The water level sensor 31 may be, for example, an SWY series water level sensor.

Referring to fig. 1, the automatic timing measurement system further includes a power supply device 4 electrically connected to the terminal control device 1, the timing control device 2, and the sensing device 3, where the power supply device 4 is configured to provide power to the terminal control device 1, the timing control device 2, and the sensing device 3, for example, the power supply device 4 may convert ac power into dc power, or may convert solar power into electric power, or the like.

Referring to fig. 1, the automatic timing measurement system may further include a driving device 5, where the driving device 5 may be connected to the timing control device 2, when the sensing device 3 transmits the detected position information to the timing control device 2, the timing control device 2 sends the detected position information to the terminal control device 1, the terminal control device 1 compares the actual position information with the preset position information, and if the actual position information is inconsistent with the preset position information, the timing control device 2 starts the driving device 5 to move, so as to drive the acoustic doppler flow profiler to move to a preset position, which may be, for example, an ascending, a descending, a forward movement or a backward movement.

To sum up, the utility model discloses an automatic timing measurement system of acoustics Doppler current profiler, including terminal control device, timing control device, sensing device and power supply unit, through the position information control sensing device of terminal control device preset with acoustics Doppler current profiler arrange the water level position of preset in to through preset's time information, realize the automatic timing measurement velocity of flow, reduce the human cost.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An automatic timing measurement system for an acoustic doppler flow profiler, comprising:

2. The system of claim 1, wherein the comparator is an LM324, LM358, uA741 chip.

3. The system of claim 1, wherein the terminal control device is a computer, a server, or a mobile terminal.

4. The system of claim 1, wherein the counter performs a counting operation based on an input clock signal.

5. The system of claim 1, wherein the register is a mode register or a control register.

6. The system of claim 1, wherein the timing control device is a single-chip microcomputer based timing control device.

7. The system of claim 1, wherein the water level sensor and the position sensor are in communication with the timing control device via an RS422 or RS485 or RS232 communication interface.

8. The system of claim 1, further comprising a driver coupled to the timing control device.