CN104931724A - Doppler flow velocity measuring instrument and Doppler flow velocity measuring system - Google Patents
Doppler flow velocity measuring instrument and Doppler flow velocity measuring system Download PDFInfo
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- CN104931724A CN104931724A CN201510382016.8A CN201510382016A CN104931724A CN 104931724 A CN104931724 A CN 104931724A CN 201510382016 A CN201510382016 A CN 201510382016A CN 104931724 A CN104931724 A CN 104931724A
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Abstract
The invention relates to the hydrological monitoring field, and concretely relates to a Doppler flow velocity measuring instrument and a Doppler flow velocity measuring system. The Doppler flow velocity measuring instrument comprises a data processing unit, a signal measuring unit and a wireless communication unit. The signal measuring unit is electrically connected with the data processing unit, and is for obtaining Doppler information of water flows according to a control instruction transmitted by the data processing unit and also transmitting the Doppler information of water flows to the data processing unit. The data processing unit is used for calculating information of generated water flows according to the received Doppler information of water flows, and determining sending configuration information of the information of water flows. The wireless communication unit is connected to the data processing unit, and is used for sending the information of water flows according to the sending configuration information of the information of water flows. Through adoption of the Doppler flow velocity measuring instrument, water flows can be monitored in real time, and the real-time property of data of water flows can be improved.
Description
Technical field
The present invention relates to hydrologic monitoring field, in particular to a kind of Doppler's Flow speed measurer and Doppler's flow velocity measuring system.
Background technology
At present in flow rate of water flow, flow measurement, generally can use Doppler's Flow speed measurer to carry out.
Existing Doppler's Flow speed measurer generally comprises: sensor, the controller be connected with this sensor, and the storer be connected with this controller.When measurement, sensor is positioned under water, at current in sensor, sensor can generate induced signal, and induced signal is passed to controller, controller calculates the flow velocity of current according to this transducing signal, is then stored in storer by flow speed data.When this flow speed data of needs time, the storer of whole Doppler's Flow speed measurer or top is taken control device to carry out reading and analyze, or need from storer by statistical conversion to movable storage device, movable storage device is taken control device carry out readings analysis.
Thus, this Doppler's Flow speed measurer cannot meet now for the requirement of real-time of flow speed data and the requirement monitored in real time flow rate of water flow.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of Doppler's Flow speed measurer and Doppler's flow velocity measuring system, monitors streamflow regime in real time, improves the real-time of water flow data.
First aspect, embodiments provides a kind of Doppler's Flow speed measurer, comprising: comprising: data processing unit, signal measurement unit and wireless communication unit;
Wherein, described signal measurement unit is electrically connected with described data processing unit, for the steering order sent according to described data processing unit, obtains the doppler information of current, and the doppler information of described current is passed to described data processing unit;
Described data processing unit, for the doppler information of current received according to it, calculates and generates flow information of water, and determine the transmission configuration information of described flow information of water;
Described wireless communication module is connected with described data processing unit, for the transmission configuration information according to described flow information of water, sends described flow information of water.
In conjunction with first aspect, embodiments provide the first possible embodiment of first aspect, described data processing unit comprises: microcontroller and central processing unit;
Described microcontroller is used for calculating according to the doppler information of described current, generates flow information of water; Described flow information of water comprises: the water level of current and the flow velocity of current;
Described central processing unit for reading the configuration file prestored, and determines the transmission configuration information of described flow information of water according to described configuration file; The transmission configuration information of described flow information of water comprises: the mode that flow information of water sends, the frequency of transmission and transmitting time.
In conjunction with first aspect, embodiments provide the embodiment that the second of first aspect is possible, described wireless communication unit comprises: mobile communication module and Beidou communication module;
The send mode of described flow information of water comprises: send described flow information of water by mobile communication module, or sends described flow information of water by Beidou communication module.
In conjunction with first aspect, embodiments provide embodiment possible in the 3rd of first aspect, described wireless communication module comprises:
Mobile communication baseband processing chip, mobile communication antenna;
Described mobile communication baseband processing chip is used for obtaining described flow information of water from described data processing unit, described flow information of water is processed, obtain the data meeting mobile communication protocol, and the described data meeting mobile communication protocol are sent by described mobile communication antenna;
Wherein, described mobile communication frenulum process chip is electrically connected with described processor.
In conjunction with first aspect, embodiments provide the 4th kind of possible embodiment of first aspect, described mobile communication module also comprises: a D/A modular converter and mobile communication radio frequency chip;
A described D/A modular converter is used for, from the data meeting mobile communication protocol described in described mobile communication baseband processing chip reception, passing to described mobile communication radio frequency chip after converting the described data from digital signal meeting mobile communication protocol to simulating signal;
The data meeting mobile communication protocol described in after converting simulating signal to are sent by mobile communication antenna in the mode of wireless signal by described mobile communication radio frequency chip.
In conjunction with first aspect, embodiments provide the 5th kind of possible embodiment of first aspect, described Beidou communication module comprises:
BD baseband processing chip and Beidou antenna;
Described BD baseband processing chip is used for obtaining described flow information of water from described data processing unit, described flow information of water is processed, obtain the data meeting Beidou satellite transmission agreement, and the described data meeting Beidou satellite transmission agreement are sent by described Beidou antenna.
In conjunction with first aspect, embodiments provide the 6th kind of possible embodiment of first aspect, described Beidou communication module also comprises: the 2nd D/A modular converter, BD radio frequency chip and power splitter;
Described 2nd D/A modular converter is used for, from the data meeting Beidou satellite transmission agreement described in described BD baseband processing chip reception, passing to described BD radio frequency chip after converting the described data from digital signal meeting Beidou satellite transmission agreement to simulating signal;
Described BD radio frequency chip has two at least, and at least two described BD radio frequency chips are used for the described data transformations meeting Beidou satellite transmission agreement being Big Dipper radiofrequency signal, and described Big Dipper radiofrequency signal is passed to described power splitter;
Described Big Dipper radiofrequency signal is sent by described Beidou antenna by described power splitter.
In conjunction with first aspect, embodiments provide the 7th kind of possible embodiment of first aspect, described signal measurement unit comprises: multiple Doppler transmitter;
Described Doppler transmitter is connected with described microcontroller with A/D modular converter respectively by the 3rd D/A modular converter;
Wherein, the steering order that described 3rd D/A modular converter sends for the central processing unit receiving described microcontroller and forward, after converting described steering order to simulating signal by digital signal, by described steering order by driving circuit, be sent to described Doppler transmitter;
Described Doppler transmitter, after receiving described steering order, sends Doppler's sound wave;
Described Doppler transmitter is also for receiving Doppler's sound wave that current are reflected back, and the Doppler's sound wave be reflected back by described current is after signal amplifier amplifies, and is sent to A/D modular converter;
Described Doppler's sound wave that described A/D modular converter is used for described current to be reflected back is converted to digital signal by simulating signal, forms described doppler information, and described doppler information is passed to microcontroller.
In conjunction with first aspect, embodiments provide the 8th kind of possible embodiment of first aspect, also comprise: Big Dipper card, SIN card and/or management interface;
Described Big Dipper card, described SIM card and described management interface are all connected with described data processing unit;
Described data processing unit reads the information in described Big Dipper card or described SIM card, and according to the information in described Big Dipper card or described SIM card, is encapsulated by described flow information of water, forms the flow information of water after encapsulation;
Wherein, the flow information of water after described encapsulation comprises: the mark of Doppler's Flow speed measurer, destination address information, flow information of water;
Described management interface is connected with described data processing unit, for the control signal of receiving control device, and control signal is passed to described data processing unit.
Second aspect, the embodiment of the present invention also provides a kind of Doppler's flow velocity measuring system, it is characterized in that, comprises the Doppler's Flow speed measurer as described in above-mentioned first aspect;
Also comprise: control device;
Described control device and the wireless connections of described Doppler's Flow speed measurer;
Described control device comprises: control signal transmitting element and flow information of water receiving element;
Described control signal transmitting element is used for transmitting control signal to described Doppler's Flow speed measurer;
Described flow information of water receiving element is for receiving the flow information of water sent described in described Doppler's Flow speed measurer.
In Doppler's Flow speed measurer that the application provides, signal measurement unit is for utilizing Doppler's principle, the device of the doppler information that current are correlated with is obtained from current, and after signal measurement unit obtains doppler information from current, doppler information can be passed to data processing unit, data processing unit is according to the computation rule preset, the doppler information utilizing signal measurement unit to send carries out concrete calculating, according to computation rule and doppler information, calculate the flow velocity, strength etc. of current, generate flow information of water; After calculating flow information of water, data processing unit also needs the transmission configuration information determining current, then flow information of water is sent to wireless communication module together with the transmission configuration information of described flow information of water.Flow information of water, according to the transmission configuration information of flow information of water, sends by wireless communication module.In this process, due to wireless communication module is connected with data processing unit, therefore, do not need again whole measuring instrument to be taken control device or storer is taken control device to derive relevant water flow data, but according to transmission configuration information, directly by wireless communication module, flow information of water is sent to control device.Like this, both made to monitor current in real time and be achieved, and made again the real-time of water flow data be improved.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of a kind of Doppler's Flow speed measurer that the embodiment of the present invention provides;
Fig. 2 shows the structural representation of the data processing unit that the embodiment of the present invention provides;
Fig. 3 shows the structural representation of the wireless communication unit that the embodiment of the present invention provides;
Fig. 4 shows the structural representation of the mobile communication module that the embodiment of the present invention provides;
Fig. 5 shows the structural representation figure of the Beidou communication module that the embodiment of the present invention provides;
Fig. 6 shows the structural representation of the data processing unit that the embodiment of the present invention provides;
Fig. 7 shows the structural representation of Doppler's Flow speed measurer that another embodiment of the present invention provides;
Fig. 8 shows the structural representation of a kind of Doppler's flow velocity measuring system that the embodiment of the present invention provides.
Illustrate:
11-data processing unit; 12-signal measurement unit; 13-wireless communication unit;
21-microcontroller; 22-central processing unit;
31-mobile communication module; 32-Beidou communication module;
41-mobile communication baseband processing chip; 42-mobile communication antenna; 43-the one D/A modular converter; 44-mobile communication radio frequency chip;
51-BD baseband processing chip; 52-Beidou antenna; 53-the 2nd D/A modular converter; 54-BD radio frequency chip; 55-power splitter;
61-Doppler transmitter; 62-the 3rd D/A modular converter; 63-A/D modular converter; 64-driving circuit; 65-signal amplifier;
701-CPU; 701-sensor MCU; 703-D/A modular converter; Driving circuit 704; 705-Doppler transmitter; 706-Doppler transmitter; 707-Doppler transmitter; 708-Doppler transmitter; 709-A/D modular converter; 710-signal amplification circuit;-BD baseband processing chip; 712-D/A modular converter; 713-BD1 radio frequency chip; 714-BD2 radio frequency chip; 715-power splitter; 716-Beidou antenna; 717-mobile communication baseband processing chip; 718-D/A modular converter; 719-mobile communication radio frequency; 720-mobile communication antenna; 721-SRAM; 722-FLASH; 723-Big Dipper card; 724-SIM card; 725-management interface;
81-Doppler Flow speed measurer; 82-control device; 821-control signal transmitting element; 822-flow information of water receiving element.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
At present, when the flow to current, flow velocity are measured, Doppler's Flow speed measurer used is being measured, after obtaining relevant measurement data, the storer of just whole Doppler's Flow speed measurer or top is needed to take the reading analysis that control device carries out measurement data, or need from storer by statistical conversion to movable storage device, movable storage device is taken the reading analysis that control device carries out measurement data, such operation makes to monitor streamflow regime in real time and cannot realize, and the real-time obtaining measurement data is poor.Based on this, the invention provides a kind of Doppler's Flow speed measurer and Doppler's flow velocity measuring system, streamflow regime can be monitored in real time, improve the real-time of water flow data.For ease of understanding the present embodiment, first a kind of Doppler's Flow speed measurer disclosed in the embodiment of the present invention is described in detail.
Shown in Figure 1, Doppler's Flow speed measurer provided by the present invention, comprising: data processing unit 11, signal measurement unit 12 and wireless communication unit 13.
Wherein, described signal measurement unit is electrically connected with described data processing unit, for the steering order sent according to described data processing unit, obtains the doppler information of current, and the doppler information of described current is passed to described data processing unit;
Described data processing unit, for the doppler information of current received according to it, calculates and generates flow information of water, and determine the transmission configuration information of described flow information of water;
Described wireless communication module is connected with described data processing unit, for the transmission configuration information according to described flow information of water, sends described flow information of water.
When specific implementation, signal measurement unit 12 is for utilizing Doppler's principle, the device of the doppler information that current are correlated with is obtained from current, and after signal measurement unit 12 obtains doppler information from current, doppler information can be passed to data processing unit 11, data processing unit is according to the computation rule preset, the doppler information utilizing signal measurement unit 12 to send carries out concrete calculating, according to computation rule and doppler information, calculate the flow velocity, strength etc. of current, generate flow information of water; After calculating flow information of water, data processing unit also needs the transmission configuration information determining current, then flow information of water is sent to wireless communication module 13 together with the transmission configuration information of described flow information of water.Flow information of water, according to the transmission configuration information of flow information of water, sends by wireless communication module 13.In this process, due to wireless communication module is connected with data processing unit, therefore, do not need again whole measuring instrument to be taken control device or storer is taken control device to derive relevant water flow data, but according to transmission configuration information, directly by wireless communication module 13, flow information of water is sent to control device.Like this, both make the situation monitoring current in real time be achieved, and make again the real-time of water flow data be improved.
In addition, another embodiment of the present invention also provides a kind of embodiment of data processing unit, shown in Figure 2, and data processing unit 10 is divided into two parts by the present invention, comprising: microcontroller 21 and central processing unit 22;
Described microcontroller 21, for calculating according to the doppler information of described current, generates flow information of water; Described flow information of water comprises: the water level of current and the flow velocity of current;
Described central processing unit 22 for reading the configuration file prestored, and determines the transmission configuration information of described flow information of water according to described configuration file; The transmission configuration information of described flow information of water comprises: the mode that flow information of water sends, the frequency of transmission and transmitting time.
When specific implementation, microcontroller 21 is specifically designed to calculating, doppler data is converted into water flow data, central processing unit 22 is then more for controlling and coordinating, comprise PVT and resolve (Beidou satellite navigation and positioning system receiver user backend information processing section, Output rusults is the position that client directly sees, speed and temporal information, in this case determine the position of Doppler's Flow speed measurer, speed and temporal information), before transmission water flow data, water flow data is encapsulated, after receiving the steering order of control device, instruction is resolved etc.
Wherein, be MCU (Micro Control Unit, micro-control unit) that controller 21 can be common.
Particularly, when transmission water flow data, central processing unit 22 can read in the configuration file prestored in storer, and according to the transmission configuration information of configuration file determination flow information of water, this sends configuration information and comprises: the mode that flow information of water sends, the frequency of transmission and transmitting time.Then, flow information of water can be sent to wireless communication unit 13 by central processing unit 22 together with transmission configuration information, and flow information of water, again according to configuration information, sends by wireless communication unit 13.
In the process that data send, to set up wireless connections between control device, thus need Doppler's Flow speed measurer first to want " to network ".In fact, more existing networks, as: mobile communication system or Beidou satellite communication system can not ensure to cover the place that will measure, if consider if Doppler's Flow speed measurer can only be connected in a communication system, may occur there is no signal and the situation that cannot send water flow data, thus another embodiment of the present invention also provides a kind of embodiment of wireless communication unit 13, in the present embodiment, shown in Figure 3, described wireless communication unit 13 comprises: mobile communication module 31 and Beidou communication module 32;
The send mode of described flow information of water comprises: send described flow information of water by mobile communication module 31, or sends described flow information of water by Beidou communication module 32.
When specific implementation, mobile communication module 31 can be connected in mobile communications network, and Beidou communication module can be connected to Beidou communication system.Central processing unit can be selected to send flow information of water by mobile communication module 31, also can select to send flow information of water by Beidou communication module 32.Before central processing unit 22 is selected, can prejudge is that the signal that is connected to mobile communications network is stronger at present, and the signal being still connected to Beidou communication system is stronger, and more powerhouse selected between by central processing unit 22, then sends water flow data.
In the present embodiment, a kind of concrete structure of mobile communication module 31 is also provided: described wireless communication module 31 comprises: mobile communication baseband processing chip 41, mobile communication antenna 42;
Described mobile communication baseband processing chip 41 is for obtaining described flow information of water from described data processing unit 11, described flow information of water is processed, obtain the data meeting mobile communication protocol, and the described data meeting mobile communication protocol are sent by described mobile communication antenna 42;
Wherein, described mobile communication frenulum process chip is electrically connected with described processor.
When specific implementation, mobile communication baseband processing chip 41 will complete the demodulation of wireless signal in mobile network, descrambling, the work of despreading and decoding, in fact, before water flow data is sent to mobile communication module 31 by central processing unit 22, just water flow data was carried out encapsulation, form packet, and when encapsulation, the identification code of local Doppler's Flow speed measurer can be called from the SIM card be connected with central processing unit 22, the information such as the transmission address (i.e. the address of control device) of packet, mobile communication baseband processing chip 41 is jointly sent to as the part of packet and flow information of water, mobile communication baseband processing chip 41 is when receiving this packet, after completing the work of the demodulation of wireless signal in mobile network, descrambling, despreading and decoding, processing data packets is become to meet the signal of mobile communication protocol, and according to the transmission address of packet, packet is sent by mobile communication antenna 42.
In this process, the flow information of water sent due to central processing unit 22 is numerical data, and the signal sent in mobile communication antenna 42 is simulated data, therefore between mobile communication baseband processing chip 41 and mobile communication antenna 42, also include: a D/A modular converter 43 and mobile communication radio frequency chip 44;
A described D/A modular converter 43, for meeting the data of mobile communication protocol described in receiving from described mobile communication baseband processing chip 41, passes to described mobile communication radio frequency chip 44 after converting the described data from digital signal meeting mobile communication protocol to simulating signal;
The data meeting mobile communication protocol described in after converting simulating signal to are sent by mobile communication antenna 42 in the mode of wireless signal by described mobile communication radio frequency chip 44.
When specific implementation, one D/A modular converter passes to mobile communication radio frequency chip 44 after converting the data from digital signal meeting mobile communication protocol to simulating signal, the data slowly becoming the prime number after simulating signal to meet mobile communication protocol, then in the mode of wireless signal, are sent by mobile communication antenna 42 by mobile radio chip 44.
In addition, also provide a kind of concrete structure of Beidou communication module 32 in the present invention, shown in Figure 5, the Beidou communication module 32 that the present embodiment provides comprises: BD baseband processing chip 51 and Beidou antenna 52;
Described BD baseband processing chip 51 is for obtaining described flow information of water from described data processing unit, described flow information of water is processed, obtain the data meeting Beidou satellite transmission agreement, and the described data meeting Beidou satellite transmission agreement are sent by described Beidou antenna.
When specific implementation, BD baseband processing chip 51 primary responsibility completes catching of navigation signal and text resolves.Before water flow data is sent to Beidou communication module 32 by central processing unit 22, just water flow data was carried out encapsulation, form packet, and when encapsulation, can from the Big Dipper card be connected with central processing unit 22, call the information such as the identification code of local Doppler's Flow speed measurer, the transmission address (i.e. the address of control device) of packet, jointly send to BD baseband processing chip 51 as the part of packet and flow information of water.
BD baseband processing chip 51, after receiving this packet, can carry out catching of navigation signal, and is processed by packet (i.e. water flow data), obtains the data meeting Beidou satellite transmission agreement, is sent by Beidou antenna 52.
Consider that big-dipper satellite comprises a Big Dipper generation and Beidou II, and afterwards, also may there is other big-dipper satellite, in addition, consider that the signal that Beidou antenna 52 sends should be simulating signal, and the data meeting Beidou satellite transmission agreement that BD baseband processing chip 51 sends are digital signal, thus, also comprise between Beidou antenna 52 and BD baseband processing chip 51: the 2nd D/A modular converter 53, BD radio frequency chip 54 and power splitter 55;
Described 2nd D/A modular converter 53, for meeting the data of Beidou satellite transmission agreement described in receiving from described BD baseband processing chip 51, passes to described BD radio frequency chip 54 after converting the described data from digital signal meeting Beidou satellite transmission agreement to simulating signal;
Described BD radio frequency chip 54 has two at least, and described Big Dipper radiofrequency signal for being Big Dipper radiofrequency signal by the described data transformations meeting Beidou satellite transmission agreement, and is passed to described power splitter 55 by least two described BD radio frequency chips 54;
Described Big Dipper radiofrequency signal is sent by described Beidou antenna 52 by described power splitter 55.
The structure of the Beidou communication module 32 that explanation the present embodiment conveniently provides, the present embodiment is for two BD radio frequency chips, and two BD radio frequency chips send data respectively to a Big Dipper generation and Beidou II.Power splitter 55 a kind ofly a road input signal energy is divided into two-way or multiple-channel output is equal or the device of unequal energy, also conversely multiple signals energy can be synthesized a road and export, thus realize use BD baseband processing chip, process two paths of signals.Meanwhile, it should be noted that and can also comprise the 3rd BD radio frequency chip.And this BD radio frequency chip can be reserved out, follow-up in the event of Big Dipper three generations to treat, directly send data by this BD radio frequency chip to Big Dipper three generations.
In addition, another embodiment of the present invention additionally provides a kind of concrete structure of data processing unit, and described in Fig. 6, in the present embodiment, described data processing unit comprises:
Multiple Doppler transmitter 61;
Described Doppler transmitter 61 is connected with described microcontroller 21 with A/D modular converter 63 respectively by the 3rd D/A modular converter 62;
Wherein, the steering order that described 3rd D/A modular converter 63 sends for the central processing unit 22 receiving described microcontroller 21 and forward, after converting described steering order to simulating signal by digital signal, by described steering order by driving circuit 64, be sent to described Doppler transmitter 61;
Described Doppler transmitter 61, after receiving described steering order, sends Doppler's sound wave;
Described Doppler transmitter 62 is also for receiving Doppler's sound wave that current are reflected back, and the Doppler's sound wave be reflected back by described current is after signal amplifier 65 amplifies, and is sent to A/D modular converter 63;
Described A/D modular converter 63 is converted to digital signal for the described Doppler's sound wave be reflected back by described current by simulating signal, forms described doppler information, and described doppler information is passed to microcontroller 21.
When specific implementation, the control signal of central processing unit 22 meeting receiving control device, produces corresponding steering order, and steering order is sent to microcontroller 21, and this steering order is transmitted to the 3rd D/A modular converter by microcontroller 21.3rd D/A modular converter, after receiving steering order, converts steering order to simulating signal by digital signal, and by driving circuit, sends to Doppler transmitter 61 by converting the steering order after simulating signal to.Doppler transmitter 61 is after receiving this control signal, according to control signal, send Doppler's sound wave, Doppler transmitter 61 is when transmitting Doppler sound wave, can not with water stream contacts, but Doppler's sound wave is sent to certain section of current, Doppler's acoustic reflection can be returned Doppler transmitter 61 by certain section of current, from and catch by Doppler transmitter 61; In this process, aloft to transmit due to Doppler's sound wave and in the process reflected by current, can decay or loss, therefore the Doppler's sound wave be reflected back by current that Doppler transmitter 61 is caught can be more weak, thus, after this Doppler's sound wave can send to signal amplifier 65 to amplify by doppler generator 61, just pass to A/D modular converter, Doppler's sound wave of simulating signal is converted to the doppler information of digital signal, then doppler information is passed to microcontroller 21 to calculate, generate flow information of water.
In this process, because Doppler transmitter 61 can not contact current completely, thus also can not cause interference to current, can directly measure flow velocity section, measure accurately, and be applicable to the measurement of various environment.In addition, traditional measuring equipment is put into water due to needs and is measured, and flow depth is larger, and pressure is larger, sounds the depth of the water and can be subject to the conditionality of instrument and equipment.And the present invention directly uses ADCP (Acoustic Doppler CurrentProfilers, acoustic Doppler fluid velocity profile instrument) method measures, can not with water stream contacts, the impact of water flow pressure can not be subject to, the current depth profiled measured can reach hundreds of rice, measuring accuracy is higher, and usable range is more extensive.
In addition, in the present embodiment, consider the control needing data processing unit 11 can accept control device, produce steering order, thus on data processing unit 11, be also connected with management interface.This management interface is the external interface of Doppler's Flow speed measurer, and monitor staff can be connected with Doppler's Flow speed measurer by the serial ports of computer, is configured and manages.Such as to Doppler's Flow speed measurer stored in configuration file, or to transmit control signal to Doppler's Flow speed measurer to Doppler's Flow speed measurer, with the work etc. of control survey instrument.
Shown in Figure 7, the embodiment of the present invention also provides a kind of concrete structure of Doppler's Flow speed measurer, comprising:
CPU701 (i.e. central processing unit 22), the sensor MCU702 (i.e. microcontroller 21) be connected with CPU701;
The D/A modular converter 703 (i.e. the 3rd D/A modular converter 62) be connected with sensor MCU702, the driving circuit 704 be connected with D/A modular converter 703, four Doppler transmitter 705,706,707,708 be connected with driving circuit 704;
The A/D modular converter 709 be connected with sensor MCU702, the signal amplification circuit 710 be connected with A/D modular converter 709; Wherein signal amplification circuit 710 is all connected with four Doppler transmitter 705,706,707,708;
The BD baseband processing chip 711 be connected with CPU701, the D/A modular converter 712 be connected with baseband processing chip 711, the BD1 radio frequency chip 713 that is connected with D/A modular converter 712 and BD2 radio frequency chip 714, power splitter 715 and the Beidou antenna 716 be connected with power splitter;
The mobile communication baseband processing chip 717 be connected with CPU701, the D/A modular converter 718 be connected with mobile communication baseband processing chip 717, the mobile communication radio frequency 719 be connected with D/A modular converter 718, the mobile communication antenna 720 be connected with mobile communication radio frequency;
The SRAM721 (buffer memory, for the temporary storage of water flow data of CPU) be connected with CPU, FLASH722 (flash memory, for store configuration files), Big Dipper card 723, SIM card 724 and management interface 725.
The interactive mode of each structure above-mentioned see the embodiment corresponding to above-mentioned Fig. 1-Fig. 6, can not repeat them here.
In this embodiment, first CPU701 can receive relevant configuration file, control information by management interface 725 from control device.
Rear CPU701 generates steering order according to control information, through sensor MCU, steering order is sent to D/A modular converter 703, complete the conversion of steering order from numerical data to simulated data, then steering order is through driving circuit, arrives Doppler transmitter 705, Doppler transmitter 706, Doppler transmitter 707, Doppler transmitter 708; Four Doppler transmitter, after receiving steering order, start, and send Doppler's sound wave.
After four Doppler transmitter receive Doppler's sound wave that current are reflected back, Doppler's sound wave is amplified through signal amplifier 710, be passed to A/D modular converter 709, complete Doppler's sound wave by the conversion of simulated data to numerical data, pass to sensor MCU702, sensor MCU702 calculates according to doppler information, draws flow information of water, then flow information of water is passed to CUP701.
CPU701 by flow information of water temporarily stored in SRAM721, and configuration file is read from FLASH722, obtain the information such as mode, frequency, time sent, then according to configuration file, information is read from Big Dipper card 723 or SIM card 724, flow information of water is encapsulated, passes to corresponding BD baseband processing chip 711 or mobile communication baseband processing chip 717.
When water flow data is sent to BD baseband processing chip 711 by CPU701, flow information of water can be processed into the signal meeting Beidou satellite transmission agreement by BD baseband processing chip 711, be sent to D/A modular converter 712, complete the conversion of signal from numerical data to simulated data meeting Beidou satellite transmission agreement, then send to power splitter 715 through BD1 radio frequency chip 713 and/or BD2 radio frequency chip 714, the signal meeting Beidou satellite transmission agreement sends through Beidou antenna 716 by power splitter 715.
When water flow data is sent to mobile communication baseband processing chip 717 by CPU702, flow information of water can be processed into the signal meeting mobile communication protocol by mobile communication baseband processing chip 717, be sent to D/A modular converter 718, complete the conversion of signal from digital signal to simulating signal meeting dynamic communication protocol, then mobile communication radio frequency 719 is sent to, the signal meeting dynamic communication protocol, in the mode of wireless signal, is launched by mobile communication antenna 720 by mobile communication radio frequency 719.
Further embodiment of this invention also provides a kind of Doppler's flow velocity measuring system, shown in Figure 8, Doppler's flow velocity measuring system that the present embodiment provides, comprise as in above-described embodiment Doppler's Flow speed measurer 81 of providing, also comprise: control device 82; Described control device 82 and the wireless connections of described Doppler's Flow speed measurer 81;
Described control device 82 comprises: control signal transmitting element 821 and flow information of water receiving element 822;
Described control signal transmitting element 821 is for transmitting control signal to described Doppler's Flow speed measurer 81;
Described flow information of water receiving element 822 is for receiving the flow information of water sent described in described Doppler's Flow speed measurer 81.
Doppler's flow velocity measuring system provided by the present invention, at control device 82 by transmitting control signal to control signal transmitting element 821 to Doppler's Flow speed measurer 81, control the surveying work of Doppler's Flow speed measurer 81, the flow information of water sent described in described Doppler's Flow speed measurer 81 is received again by flow information of water receiving element 822, wireless connections between control device 82 and Doppler's Flow speed measurer 81, Real-Time Monitoring can be carried out to streamflow regime, improve the real-time of water flow data.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (10)
1. Doppler's Flow speed measurer, is characterized in that, comprising: data processing unit, signal measurement unit and wireless communication unit;
Wherein, described signal measurement unit is electrically connected with described data processing unit, for the steering order sent according to described data processing unit, obtains the doppler information of current, and the doppler information of described current is passed to described data processing unit;
Described data processing unit, for the doppler information of current received according to it, calculates and generates flow information of water, and determine the transmission configuration information of described flow information of water;
Described wireless communication module is connected with described data processing unit, for the transmission configuration information according to described flow information of water, sends described flow information of water.
2. Doppler's Flow speed measurer according to claim 1, is characterized in that, described data processing unit comprises: microcontroller and central processing unit;
Described microcontroller is used for calculating according to the doppler information of described current, generates flow information of water; Described flow information of water comprises: the water level of current and the flow velocity of current;
Described central processing unit for reading the configuration file prestored, and determines the transmission configuration information of described flow information of water according to described configuration file; The transmission configuration information of described flow information of water comprises: the mode that flow information of water sends, the frequency of transmission and transmitting time.
3. Doppler's Flow speed measurer according to claim 2, is characterized in that, described wireless communication unit comprises: mobile communication module and Beidou communication module;
The send mode of described flow information of water comprises: send described flow information of water by mobile communication module, or sends described flow information of water by Beidou communication module.
4. Doppler's Flow speed measurer according to claim 3, is characterized in that, described wireless communication module comprises:
Mobile communication baseband processing chip, mobile communication antenna;
Described mobile communication baseband processing chip is used for obtaining described flow information of water from described data processing unit, described flow information of water is processed, obtain the data meeting mobile communication protocol, and the described data meeting mobile communication protocol are sent by described mobile communication antenna;
Wherein, described mobile communication frenulum process chip is electrically connected with described processor.
5. Doppler's Flow speed measurer according to claim 4, is characterized in that, described mobile communication module also comprises: a D/A modular converter and mobile communication radio frequency chip;
A described D/A modular converter is used for, from the data meeting mobile communication protocol described in described mobile communication baseband processing chip reception, passing to described mobile communication radio frequency chip after converting the described data from digital signal meeting mobile communication protocol to simulating signal;
The data meeting mobile communication protocol described in after converting simulating signal to are sent by mobile communication antenna in the mode of wireless signal by described mobile communication radio frequency chip.
6. Doppler's Flow speed measurer according to claim 3, is characterized in that, described Beidou communication module comprises:
BD baseband processing chip and Beidou antenna;
Described BD baseband processing chip is used for obtaining described flow information of water from described data processing unit, described flow information of water is processed, obtain the data meeting Beidou satellite transmission agreement, and the described data meeting Beidou satellite transmission agreement are sent by described Beidou antenna.
7. Doppler's Flow speed measurer according to claim 6, is characterized in that, described Beidou communication module also comprises: the 2nd D/A modular converter, BD radio frequency chip and power splitter;
Described 2nd D/A modular converter is used for, from the data meeting Beidou satellite transmission agreement described in described BD baseband processing chip reception, passing to described BD radio frequency chip after converting the described data from digital signal meeting Beidou satellite transmission agreement to simulating signal;
Described BD radio frequency chip has two at least, and at least two described BD radio frequency chips are used for the described data transformations meeting Beidou satellite transmission agreement being Big Dipper radiofrequency signal, and described Big Dipper radiofrequency signal is passed to described power splitter;
Described Big Dipper radiofrequency signal is sent by described Beidou antenna by described power splitter.
8. Doppler's Flow speed measurer according to claim 2, is characterized in that, described signal measurement unit comprises: multiple Doppler transmitter;
Described Doppler transmitter is connected with described microcontroller with A/D modular converter respectively by the 3rd D/A modular converter;
Wherein, the steering order that described 3rd D/A modular converter sends for the central processing unit receiving described microcontroller and forward, after converting described steering order to simulating signal by digital signal, by described steering order by driving circuit, be sent to described Doppler transmitter;
Described Doppler transmitter, after receiving described steering order, sends Doppler's sound wave;
Described Doppler transmitter is also for receiving Doppler's sound wave that current are reflected back, and the Doppler's sound wave be reflected back by described current is after signal amplifier amplifies, and is sent to A/D modular converter;
Described Doppler's sound wave that described A/D modular converter is used for described current to be reflected back is converted to digital signal by simulating signal, forms described doppler information, and described doppler information is passed to microcontroller.
9. the Doppler's Flow speed measurer according to claim 1-8 any one, is characterized in that, also comprise: Big Dipper card, SIN card and/or management interface;
Described Big Dipper card, described SIM card and described management interface are all connected with described data processing unit;
Described data processing unit reads the information in described Big Dipper card or described SIM card, and according to the information in described Big Dipper card or described SIM card, is encapsulated by described flow information of water, forms the flow information of water after encapsulation;
Wherein, the flow information of water after described encapsulation comprises: the mark of Doppler's Flow speed measurer, destination address information, flow information of water;
Described management interface is connected with described data processing unit, for the control signal of receiving control device, and control signal is passed to described data processing unit.
10. Doppler's flow velocity measuring system, is characterized in that, comprises the Doppler's Flow speed measurer as described in the claims 1-9 any one;
Also comprise: control device; Described control device and the wireless connections of described Doppler's Flow speed measurer;
Described control device comprises: control signal transmitting element and flow information of water receiving element;
Described control signal transmitting element is used for transmitting control signal to described Doppler's Flow speed measurer;
Described flow information of water receiving element is for receiving the flow information of water sent described in described Doppler's Flow speed measurer.
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Application publication date: 20150923 |