CN209296759U - A kind of low-power consumption ADCP flow rate measuring device of built-in GNSS - Google Patents
A kind of low-power consumption ADCP flow rate measuring device of built-in GNSS Download PDFInfo
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- CN209296759U CN209296759U CN201822209567.6U CN201822209567U CN209296759U CN 209296759 U CN209296759 U CN 209296759U CN 201822209567 U CN201822209567 U CN 201822209567U CN 209296759 U CN209296759 U CN 209296759U
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Abstract
The utility model provides the low-power consumption ADCP flow rate measuring device of built-in GNSS a kind of, including embedded fpga chip, embedded DSP, single-chip microcontroller, host computer, GNSS module, ADC analog-to-digital conversion module, serial port module and communication module, the ADC analog-to-digital conversion module is connected with the embedded fpga chip；The embedded fpga chip is connected with the embedded DSP；Pru processor is integrated in the embedded DSP, the pru processor is connected with the GNSS module, and the embedded DSP is connected by communication module with the host computer；The single-chip microcontroller is connected with the embedded DSP, and is connected by the serial port module with the host computer.The utility model GNSS module is connected with pru processor in embedded DSP, can solve the problems, such as GNSS module data frame losing, mitigates the main nuclear resource of embedded DSP, and also has the advantages that low in energy consumption.
Description
Technical field
The utility model relates to the hydrology, water conservancy environmental monitoring field more particularly to a kind of low-power consumption ADCP of built-in GNSS
Flow rate measuring device.
Background technique
In the hydrology, water conservancy environmental monitoring measurement of correlation, the water flow speed measurement of certain zone profile is most important measurement
One of element needs to realize the low-power consumption stable operation of ADCP, at present state to guarantee the measurement water velocity of long-time stable
Interior ADCP only controls power consumption by master control DSP itself in terms of low-power consumption, but power consumption is still larger, in addition, at present
There are mainly two types of modes by the built-in GPS of ADCP measuring device, one is being attached by RS232 serial ports and master control DSP, in this way
The resource of master control DSP can be largely expended, another kind is to be connected by RS232 serial ports with FPGA, will lead to modification baud rate very
Difficulty, and all there is the shortcomings that GPS data frame losing, and GPS is the control of the military, other country, can artificially be increased under specific circumstances
Its position error makes its failure.
It would therefore be highly desirable to which R & D design goes out a kind of ADCP flow rate measuring device that can solve the above problem.
Utility model content
The purpose of the utility model is to overcome above-mentioned drawbacks, to provide the low-power consumption ADCP flow velocity of built-in GNSS a kind of
Measuring device.
To achieve the above object, the embodiment of the invention provides a kind of measurements of the low-power consumption ADCP flow velocity of built-in GNSS to fill
It sets, which includes: embedded fpga chip, embedded DSP, single-chip microcontroller, host computer, GNSS module, ADC analog-to-digital conversion
Module, serial port module and communication module,
The ADC analog-to-digital conversion module is connected with the embedded fpga chip, to believe the received sound wave of energy converter
Embedded fpga chip is transmitted to after number being converted into digital signal；
The embedded fpga chip is connected with the embedded DSP, to send ADC analog-to-digital conversion module
The received digital sound wave signal of energy converter is transmitted to the embedded DSP；
Pru processor is integrated in the embedded DSP, the pru processor is connected with the GNSS module, institute
Embedded DSP is stated to the received digital sound wave signal of energy converter and GNSS module that send according to embedded fpga chip
The location information of acquisition obtains flow rate of water flow, and the embedded DSP is connected by communication module with the host computer, to
Treated data by communication module are transmitted to host computer；
The single-chip microcontroller is connected with the embedded DSP, and is connected by the serial port module with the host computer,
To receive the operating mode of the control instruction control dsp chip of host computer transmission.
Further, described device further includes sensor module, is connected with the embedded fpga chip, to acquire
The signal of hull and water body is simultaneously transmitted to the embedded fpga chip.
Further, the sensor module includes attitude transducer, temperature sensor and pressure sensor.
Further, described device further includes transmitter, is connected with the embedded fpga chip and energy converter, to
Energy converter is driven to emit acoustic signals.
Further, described device further includes power module, is connected with the single-chip microcontroller.
Further, the serial port module is RS32 serial communication interface.
Further, the communication module is the Ethernet interface or RS32 serial communication interface of TCP/IP.
Further, the model MSP430 of the single-chip microcontroller.
Further, the embedded DSP is using the TMS320C6748 chip for integrating pru processor.
The utility model has the beneficial effects that
1, DSP electric power thus supplied can be controlled according to DSP running time by using single-chip microcontroller, only in DSP embedded
Chip needs to supply power in a bit of time of work, works normally embedded DSP, does not need DSP embedded core
Piece is powered off when working, and whole device only has single-chip microcontroller work after power-off, and single-chip microcontroller power is very low, so reducing whole
The power consumption of a equipment.
2, the utility model passes through Serial Port Line and PRU using the embedded DSP for integrating pru processor, GNSS module
Processor is connected, and pru processor and DSP embedded memory sharing realize parallel processing by ping-pong operation, it is ensured that connection
GNSS module can stablize sending and receiving data, there is no frame losing phenomenon, can easily modify baud rate, mitigate embedded
The main nuclear resource of DSP.And use GNSS module for Global Navigation Satellite System, set GPS, Glonass, Galileo, north
Satellite positioning struggle against in one, positioning accuracy is higher.
Detailed description of the invention
Fig. 1 is a kind of structure of the low-power consumption ADCP flow rate measuring device of built-in GNSS provided by the embodiment of the utility model
Schematic diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be noted that attached drawing is merely illustrative, not according to tight
The drafting of lattice ratio, and convenient and the partial enlargement of progress, diminution promising may wherein be described, also may be used for conventional partial structure
Can have certain default.
Fig. 1 is a kind of structure of the low-power consumption ADCP flow rate measuring device of built-in GNSS provided by the embodiment of the utility model
Schematic diagram.
As shown in Figure 1, the low-power consumption ADCP flow rate measuring device of built-in GNSS provided by the embodiment of the utility model a kind of
Including embedded fpga chip 1, embedded DSP 2, single-chip microcontroller 3, host computer 4, GNSS module 5, ADC analog-to-digital conversion module
6, serial port module 7, communication module 8 and energy converter 9.
ADC analog-to-digital conversion module 6 is connected with embedded fpga chip 1, is also connected with energy converter 9, and being mainly responsible for will change
The energy received acoustic signals of device 9 are converted into being transmitted to embedded fpga chip 1 after digital signal again.In the utility model embodiment
ADC analog-to-digital conversion module 6 receive the signals of 4 energy converters, and be transferred to embedded fpga chip after being converted into digital signal
1.The main function of energy converter 9 is the sound wave for emitting certain frequency into water, moreover it is possible to receive particle object and planktonic organism in water
Reflected sound wave, the injection sound wave that energy converter generates are four wave beam broadband sound waves or five wave beam broadband sound waves.
Embedded fpga chip 1 is connected with embedded DSP 2, is mainly responsible for and sends ADC analog-to-digital conversion module 6
The received digital sound wave signal of energy converter is transmitted to embedded DSP 2.It can be realized using embedded fpga chip 1 various each
The combinational digital circuit of sample is, it can be achieved that the real-time parallel of multichannel data is handled, and capability of sequential control is strong, and scalability is good.
Pru processor 21 is integrated in embedded DSP 2, GNSS module 5 passes through Serial Port Line and 21 phase of pru processor
Even, GNSS module is mainly used to acquire hull location data and is transmitted to pru processor 21, pru processor 21 and DSP embedded
Memory sharing, i.e. data sharing realize parallel processing by ping-pong operation, it is ensured that the GNSS of connection can stablize transmitting-receiving number
According to there is no frame losing phenomenon, can easily modify baud rate, mitigate the main nuclear resource of DSP embedded.DSP embedded core
The energy converter that the location information and embedded fpga chip 1 that piece 2 is sent according to the received GNSS module 5 of pru processor 21 are sent
Received digital sound wave signal obtains flow rate of water flow, it should be noted that in the utility model embodiment according to location data and
The received digital sound wave signal of energy converter is no longer superfluous herein come to obtain flow rate of water flow be existing common flow rate of water flow obtaining means
It states.Pru processor 21 is integrated in embedded DSP 2 in the present embodiment using integrated pru processor
TMS320C6748 chip is not only limited to a kind of this chip certainly, and the DSP embedded of other integrated pru processors can also be used
Chip.
Embedded DSP 2 can be also connected by communication module 8 with host computer 4, can realize communication by communication module 8
Treated data such as by communication module can be transmitted to host computer 4, in host computer by the data interaction of module 8 and host computer 4
It is shown on 4 interfaces.The Ethernet interface or RS32 serial communication that communication module 8 in the utility model embodiment is TCP/IP
Interface.
Single-chip microcontroller 3 is connected with embedded DSP 2, and is connected by serial port module 7 with host computer 4, is mainly responsible for reception
The operating mode for the control instruction control dsp chip that host computer 4 is sent.Single-chip microcontroller 3 receive host computer send instruction, not to
4 feedback data of host computer, host computer 4 include seing and displaying interface, can issue a command to embedded DSP down, can also connect
The data feedback of embedded DSP is received, shows water velocity information.Wherein, serial port module 7 is RS32 serial communication interface,
Single-chip microcontroller uses MSP430 chip.Host computer is communicated by serial ports with single-chip microcontroller 3, is instructed when sending low-power consumption mode to single-chip microcontroller
When, single-chip microcontroller controls embedded DSP electric power thus supplied according to embedded DSP running time, only embedded
Dsp chip needs to supply power in a bit of time of work, works normally embedded DSP, does not need DSP embedded
It is powered off when chip operation, whole device only has single-chip microcontroller work after power-off, and single-chip microcontroller power is very low, so reducing
The power consumption of whole equipment.
The device of the utility model embodiment can also make other variations, as the device of the utility model embodiment can also wrap
Sensor module 10 is included, is connected with embedded fpga chip 1, the signal of acquisition hull and water body is mainly responsible for and is transmitted to institute
State embedded fpga chip.Sensor module 10 includes attitude transducer 10.1, temperature sensor 10.2 and pressure sensor
10.3 etc., attitude transducer 10.1 is mainly used to acquire course, Angle of Trim and the roll angle of hull, and temperature sensor 10.2 is main
For acquiring the temperature of water body, pressure sensor 10.3 is mainly used to acquire the temperature of water body.By external posture, temperature and pressure
The parameters such as power pass to DSP embedded by embedded fpga chip, can further improve the accuracy of flow rate of water flow acquisition.
The device of the utility model embodiment further includes transmitter 11, with 9 phase of embedded fpga chip 2 and energy converter
Even, to drive energy converter 9 to emit acoustic signals.The device of the utility model embodiment further includes power module 12, with list
Piece machine 3 is connected, and is powered by single-chip microcontroller 3 to entire lower computer system.
When work, worked by embedded fpga chip 1 driving transmitter 11, transmitter 11 controls launch driving circuit and issues
Broad-band Modulated Signal goes out acoustic signals to underwater emission by energy converter 9, and receives the acoustic signals fed back to and be transmitted to ADC
Analog-to-digital conversion module 6, ADC analog-to-digital conversion module 6 are sent into insertion after the received acoustic signals of energy converter 9 are converted to digital signal
Formula fpga chip 1, embedded fpga chip 1 is by digital data transmission to embedded DSP 2, while GNSS module 5 acquires
Hull location information is also uploaded to the pru processor 21 in embedded DSP 2, at embedded DSP 22 and PRU
Manage 21 data sharing of device, embedded DSP 22 can according to the hull location information of pru processor received GNSS acquisition and
The received digital sound wave signal acquisition water volume flow rate of energy converter that embedded fpga chip 1 is sent.Treated simultaneously, and data can
Host computer 4 is transmitted to by communication module 8.
Single-chip microcontroller in utility model device can realize complete machine low-power consumption, and embedded DSP has efficient signal
Processing and interface communication control ability, and embedded fpga chip has the characteristics that real-time and parallel processing.Triplicity makes
ADCP has the advantages that low-power consumption, high-performance, strong real-time concurrently.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of low-power consumption ADCP flow rate measuring device of built-in GNSS, which is characterized in that including embedded fpga chip, insertion
Formula dsp chip, single-chip microcontroller, host computer, GNSS module, ADC analog-to-digital conversion module, serial port module and communication module,
The ADC analog-to-digital conversion module is connected with the embedded fpga chip, to turn the received acoustic signals of energy converter
Embedded fpga chip is transmitted to after changing digital signal into；
The embedded fpga chip is connected with the embedded DSP, to the transducing for sending ADC analog-to-digital conversion module
The received digital sound wave signal of device is transmitted to the embedded DSP；
Pru processor is integrated in the embedded DSP, the pru processor is connected with the GNSS module, described embedding
Enter energy converter received digital sound wave signal and GNSS module of the formula dsp chip to send according to embedded fpga chip to acquire
Location information obtain flow rate of water flow, the embedded DSP is connected by communication module with the host computer, will locate
Data after reason are transmitted to host computer by communication module；
The single-chip microcontroller is connected with the embedded DSP, and is connected by the serial port module with the host computer, to
Receive the operating mode for the control instruction control dsp chip that host computer is sent.
2. the low-power consumption ADCP flow rate measuring device of built-in GNSS according to claim 1 a kind of, which is characterized in that also wrap
Sensor module is included, is connected with the embedded fpga chip, to acquire the signal of hull and water body and be transmitted to described
Embedded fpga chip.
3. the low-power consumption ADCP flow rate measuring device of built-in GNSS according to claim 2 a kind of, which is characterized in that described
Sensor module includes attitude transducer, temperature sensor and pressure sensor.
4. the low-power consumption ADCP flow rate measuring device of built-in GNSS according to claim 1 a kind of, which is characterized in that also wrap
Transmitter is included, is connected with the embedded fpga chip and energy converter, to drive energy converter to emit acoustic signals.
5. the low-power consumption ADCP flow rate measuring device of built-in GNSS according to claim 1 a kind of, which is characterized in that also wrap
Power module is included, is connected with the single-chip microcontroller.
6. the low-power consumption ADCP flow rate measuring device of built-in GNSS according to claim 1 a kind of, which is characterized in that described
Serial port module is RS32 serial communication interface.
7. the low-power consumption ADCP flow rate measuring device of built-in GNSS according to claim 1 a kind of, which is characterized in that described
Communication module is the Ethernet interface or RS32 serial communication interface of TCP/IP.
8. the low-power consumption ADCP flow rate measuring device of built-in GNSS according to claim 1 a kind of, which is characterized in that described
The model MSP430 of single-chip microcontroller.
9. the low-power consumption ADCP flow rate measuring device of built-in GNSS according to claim 1 a kind of, which is characterized in that described
Embedded DSP is using the TMS320C6748 chip for integrating pru processor.
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| CN201822209567.6U CN209296759U (en) | 2018-12-26 | 2018-12-26 | A kind of low-power consumption ADCP flow rate measuring device of built-in GNSS |
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| CN201822209567.6U CN209296759U (en) | 2018-12-26 | 2018-12-26 | A kind of low-power consumption ADCP flow rate measuring device of built-in GNSS |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112641549A (en) * | 2020-11-23 | 2021-04-13 | 华中科技大学同济医学院附属协和医院 | Foot varus or foot valgus correction tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112641549A (en) * | 2020-11-23 | 2021-04-13 | 华中科技大学同济医学院附属协和医院 | Foot varus or foot valgus correction tool |
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