CN205449164U - Intelligent flow measuring device - Google Patents
Intelligent flow measuring device Download PDFInfo
- Publication number
- CN205449164U CN205449164U CN201620249544.6U CN201620249544U CN205449164U CN 205449164 U CN205449164 U CN 205449164U CN 201620249544 U CN201620249544 U CN 201620249544U CN 205449164 U CN205449164 U CN 205449164U
- Authority
- CN
- China
- Prior art keywords
- controller
- chip
- pressure transmitter
- current meter
- measuring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model provides an intelligent flow measuring device. Rotor current meter and pressure transmitter that intelligent flow measuring device includes the controller, be connected with the controller and be connected to respectively display screen, USB chip and indisputable electrical storage chip on the controller, iron electrical storage on chip contains clock module and storage module, the rotor revolution of rotor current meter moves the quintic and just sends pulse signal one time to the controller, the controller acquire respectively come from the rotor current meter with pressure transmitter's velocity of flow data and water level data to calculate outflow. Compared with the prior art, the utility model discloses intelligent degree obviously improves, and convenient operation, utilizes the communication between pressure transmitter, rotor current meter and the controller etc. To connect, and the flow that records the open channel that can be accurate can be demonstrateed through the display screen the test result simultaneously, and is more humanized.
Description
Technical field
This utility model relates to fluid measurement technology, particularly relates to a kind of Intelligent flow measuring device.
Background technology
The water route of non-full pipe state flowing is referred to as open channel (OpenChannel), measures the instrument of water flow in open channel and is referred to as open-channel meter.Open channel flow-through section is than a circular one, also has the various shape such as U-shaped, trapezoidal, rectangle, open channel main in daily life has: urban water supply flume, Cooling Water From Thermal Power Plants diversion and drainage ditch, waste water control flow into and discharge canal, industrial and mining establishment's discharge of wastewater and hydraulic engineering and agricultural irrigation channel, and these open channels are the main application places of open-channel meter.The instrument measured for open channel flow rate at present both at home and abroad remains based on common rotor formula, and this flow measurement method generally stays at on-the-spot manual record, manually calculates, checks, in the low-level checked, it is difficult to adapts to hydrographic survey and patrols survey requirement fast and accurately.Fast development along with computer technology, electronic technology and communication technology, the especially appearance of super large-scale integration, function is gradually improved, cost constantly reduces, make the application of various Artificial Intelligence Instrument more and more, intelligent flow instrument with single-chip microcomputer as core, has intellectuality, easy to operate, the simple feature of hardware circuit so that the inferior position of existing rotator type flowrate measuring tool is got over utility model and shown.
Summary of the invention
This utility model is solved the technical problem that to be to provide a kind of Intelligent flow measuring device, to improve intelligence degree and property easy to use.
For solving above-mentioned technical problem, this utility model provides a kind of Intelligent flow measuring device, and it includes rotor current meter and pressure transmitter that controller is connected with controller and is respectively connecting to the display screen on described controller, USB chip and ferroelectric memory chip；Comprising clock module and memory module in described ferroelectric memory chip, the rotor of described rotor current meter often rotates five times and just sends pulsatile once signal to controller；Described controller obtains respectively from rotor current meter and the flow speed data of described pressure transmitter and waterlevel data, and calculates flow.
As the further improvement of the technical program, described pressure transmitter and controller carry out data communication by RS485 interface, and the waterlevel data that described pressure transmitter is sent by described controller is shown by described display screen.
As the further improvement of the technical program, described controller is single-chip microcomputer, and it possesses house dog, analog-digital converter, digital to analog converter, voltage comparator, intervalometer and pulse-width modulator；Described USB chip is connected with outside USB flash disk equipment.
Compared with prior art, this utility model intelligence degree significantly improves, and easy to operate, the communication between pressure transmitter, rotor current meter and controller etc. is utilized to connect, the flow of open channel can be recorded accurately, test result can be shown by display screen, more hommization simultaneously.
Accompanying drawing explanation
Fig. 1 is the Organization Chart of Intelligent flow measuring device described in the utility model.
Fig. 2 is the measurement procedure figure of Intelligent flow measuring device described in the utility model.
Fig. 3 is the application scenarios schematic diagram of Intelligent flow measuring device described in the utility model.
Detailed description of the invention
Refer to shown in Fig. 1, this utility model provides a kind of Intelligent flow measuring device, and it includes rotor current meter and pressure transmitter that controller is connected with controller and is respectively connecting to the power supply on described controller, keyboard, display screen, USB(UniversalSerialBus) chip and ferroelectric memory chip.
nullIn this utility model preferred embodiment，Described controller is preferably C8051 single-chip microcomputer，Its fully-integrated mixed-signal system level chip (System-on-a-Chip，SOC)，There is the instruction kernel completely compatible with MCS-51，Described C8051 single-chip microcomputer uses pipeline processes (pipeline) technology，Do not repartition clock cycle and Machine cycle，Can next instruction of pretreatment during performing instruction，Improve instruction execution efficiency，And C8051 single-chip microcomputer possesses house dog、Analog-digital converter (Analog-to-digitalconverter，ADC)、Digital to analog converter (Digital-to-analogconverter，DAC)、Voltage comparator、Voltage reference exports、Intervalometer、Pulse width modulation (PulseWidthModulation，PWM) device、Timer capture and square wave output etc.，And possess multiple bus interface，Including universal asynchronous receiving-transmitting transmitter (UniversalAsynchronousReceiver/Transmitter，UART) interface、Serial Peripheral Interface (SPI) (SerialPeripheralInterface，SPI)、System Management Bus (SystemManagementBus，SMBUS) interface and Controller Area Network BUS (ControllerAreaNetwork，CAN) interface.It addition, described C8051 single-chip microcomputer uses FlashROM technology, integrated JTAG, support online programming.
Described rotor current meter is used for measurement flow rate, and rotor often rotates 5 times and be issued by pulsatile once signal, the most only need to measure the pulse period and can calculate current flow velocity.Described pressure transmitter is used for sound the depth of the water (i.e. waterlevel data), it includes pressure transducer, liquid level is converted into the signal of telecommunication and shows by the principle utilizing pressure transducer, for the ease of follow-up calculating, need pressure transmitter and single-chip microcomputer carry out data communication (using RS485 interface to connect), it is easy to storage and the display of Single-chip Controlling data, described single-chip microcomputer needs to be shown the data that described pressure transmitter sends by display screen, wherein, described single-chip microcomputer is connected with the display chip LM19264 communication in described display screen, described display screen can intuitively show measurement and Query Result, and can setup parameter and modification time value easily.
Described USB chip is preferably SL811 chip, for connecting the USB flash disk equipment of outside, single-chip microcomputer is made to be capable of reading and writing the function of USB flash disk, and described SL811 chip internal has the memorizer (RAM) of 256 bytes, 16 RAM started are used as to control and status register, it is used for controlling the input-output operation of SL811, remaining is used as data buffering (DATABUFFING), described single-chip microcomputer controls the operation of SL811 chip by depositor, wherein, described single-chip microcomputer is divided into two stages to the access of SL811 chip: write address and writing/reading.
Described ferroelectric memory chip is preferably FM3164, clock module and memory module is comprised in it, described clock module is for precisely showing the current time, described memory module is for meeting the storage of high-volume measurement data, due to being individually present of two modules, need to be controlled the mode of operation of FM3164 chip by described mcu programming.
During operation, data are deposited in USB flash disk equipment by water level, flow velocity signal that collection is come by described single-chip microcomputer by USB chip (i.e. SL811 chip), USB is the bus of a kind of polling mode, its console controller will initialize all of data transmission and start the transmission of all of data, transmit every time and start, console controller describes the kind of transmission action, direction, USB flash disk device address and the usb data bag of port numbers by sending one, USB flash disk equipment take out one's own data from decoded packet.In this utility model preferred embodiment, the start-up course of the USB flash disk equipment that one is accessed is by described SL811 chip:
1), SL811HS has detected that outside USB flash disk equipment accesses；
2), this USB flash disk equipment being carried out Reset operation, detecting this USB flash disk equipment is high-speed equipment or low-speed device, and sets register-bit corresponding in SL811IE；
3) descriptor information such as manufacturer 1D product 1D equipment class, device subclass, the device protocol of this USB flash disk equipment, is read by No. 0 end points；
4), this USB flash disk equipment is initialized by SL811IE firmware driver: read the device descriptor of this USB flash disk equipment, address is specified for this equipment, read the configuration descriptor information of this equipment, interface descriptor information, endpoint descriptor information, option and installment descriptor is set for this USB flash disk equipment；
5), the initialization of this USB flash disk equipment is completed after, require to communicate with this equipment according to application.
As shown in Figure 2 and Figure 3, this utility model Intelligent flow measuring device measurement procedure is as follows:
Step1: measure open channel width, and determine the vertical line quantity needing to measure according to width；
Step2: record the mean flow rate of every vertical line with rotor current meter and pressure transmitter；
Step3: determine the flow in cross section between adjacent two vertical lines；
Step4: the flow in aforementioned cross section is added, obtains the flow of open channel.
Wherein, open channel width described in Step1 with the relation of described vertical line quantity is, when width is less than 10 meters, vertical line is 3, and when width is 10-20 rice, vertical line is 6.
The detailed process of the mean flow rate recording every vertical line (such as L1 and L2) with rotor current meter and pressure transmitter in Step2 is: first by the depth of water of the tested vertical line of pressure transmitter measurement, the measurement point needing to measure on this vertical line is determined according to bathymetric data, then utilize rotor current meter to measure each flow velocity measured on point, take its meansigma methods and obtain the mean flow rate of tested vertical line.Wherein, described point of measuring typically chooses or 3 points at 2, when depth of water H of vertical line is 5-10 rice, 3 points (such as A, B, C) of the most described selection of measuring point, its degree of depth is respectively 0.2H, 0.5H and 0.8H, when vertical line depth of water H is less than 5 meters, 2 points of the most described selection of measuring point, its degree of depth is respectively 0.3H and 0.6H.
Step3 determines the flow in cross section between adjacent two vertical lines, detailed process is: according to mean flow rate V1 and V2 of every the vertical line recorded in Step2, take the meansigma methods of adjacent two meaies velocity in vertical, obtain the mean flow rate V=(V1+V2)/2 in cross section between adjacent two vertical lines, then, the mean flow rate V in this cross section is multiplied by the area S in cross section, i.e. can obtain the flow Q1=V*S in this cross section.By that analogy, flow Q2, Q3, Q4, the Q5 in multiple cross section can be calculated ....
Use pressure transmitter and rotor current meter can obtain respectively on the degree of depth of vertical line of open channel and vertical line and measure flow velocity a little, and depth data and flow speed data are sent to controller, it is shown on a display screen via controller, and can store data in described ferroelectric memory chip, the flow utilizing this method to record is the most accurate, and it is higher to measure process intelligence degree, operate the most very convenient, under the cooperation of the hardware such as single-chip microcomputer, pressure transmitter, rotor current meter so that measurement process and measurement result more conform to the demand of modern production.
The above; it it is only most preferred embodiment of the present utility model; not this utility model is made any pro forma restriction; any those of ordinary skill in the art; without departing under technical solutions of the utility model ambit; technical solutions of the utility model are made many possible variations and modification by the method content utilizing the disclosure above, belong to the scope of claims protection.
Claims (3)
1. an Intelligent flow measuring device, it is characterised in that include rotor current meter and pressure transmitter that controller is connected with controller and be respectively connecting to the display screen on described controller, USB chip and ferroelectric memory chip；Comprising clock module and memory module in described ferroelectric memory chip, the rotor of described rotor current meter often rotates five times and just sends pulsatile once signal to controller；Described controller obtains respectively from rotor current meter and the flow speed data of described pressure transmitter and waterlevel data, and calculates flow.
Intelligent flow measuring device the most according to claim 1, it is characterized in that: described pressure transmitter and controller carry out data communication by RS485 interface, and the waterlevel data that described pressure transmitter is sent by described controller is shown by described display screen.
Intelligent flow measuring device the most according to claim 2, it is characterised in that: described controller is single-chip microcomputer, and it possesses house dog, analog-digital converter, digital to analog converter, voltage comparator, intervalometer and pulse-width modulator；Described USB chip is connected with outside USB flash disk equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249544.6U CN205449164U (en) | 2016-03-29 | 2016-03-29 | Intelligent flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249544.6U CN205449164U (en) | 2016-03-29 | 2016-03-29 | Intelligent flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449164U true CN205449164U (en) | 2016-08-10 |
Family
ID=56608174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620249544.6U Expired - Fee Related CN205449164U (en) | 2016-03-29 | 2016-03-29 | Intelligent flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205449164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890676A (en) * | 2016-03-29 | 2016-08-24 | 北华航天工业学院 | Intelligent flow measuring system and method |
| CN112005866A (en) * | 2020-08-13 | 2020-12-01 | 成都万江港利科技股份有限公司 | Canal system intelligent water saving system and water saving method thereof |
-
2016
- 2016-03-29 CN CN201620249544.6U patent/CN205449164U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890676A (en) * | 2016-03-29 | 2016-08-24 | 北华航天工业学院 | Intelligent flow measuring system and method |
| CN112005866A (en) * | 2020-08-13 | 2020-12-01 | 成都万江港利科技股份有限公司 | Canal system intelligent water saving system and water saving method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105890676A (en) | Intelligent flow measuring system and method | |
| CN205449164U (en) | Intelligent flow measuring device | |
| CN204009413U (en) | A kind of automatic monitoring device for discharge of wastewater | |
| CN105259841B (en) | A kind of industrial many reference amounts data acquisition unit | |
| CN103267559A (en) | Automatic volume verification method and device for oil tank truck | |
| CN102401705B (en) | Measuring method and device of single temperature sensor ultrasonic wave heat | |
| CN201247150Y (en) | Portable test device for governor of hydraulic turbine | |
| CN202998070U (en) | Digital frequency voltage conversion circuit | |
| CN106643930A (en) | Improved ultrasonic flowmeter | |
| CN212409832U (en) | Pulse type electromagnetic water meter calibration module | |
| CN205228682U (en) | Ultrasonic wave calorimeter based on pressure gauge | |
| CN201066532Y (en) | Measuring device with remote meter reading function | |
| CN113623193A (en) | Variable frequency pump running state monitoring system and monitoring method thereof | |
| CN202177634U (en) | Flow velocity and direction instrument | |
| CN203732929U (en) | Energy source data acquisition terminal | |
| CN207650289U (en) | A kind of three-phase intelligent Digital-typed Generator electric parameters transducer | |
| CN208621940U (en) | A kind of air compressor machine clustered control gateway | |
| CN106840096A (en) | A kind of inclinometer and method for optimizing the temperature-compensating time | |
| CN206819138U (en) | A kind of full-automatic chemical fertilizer dilution for vegetable cultivation management configures system | |
| CN203203638U (en) | Discrete Fourier transform (DFT) based Coriolisflowmeter | |
| CN205981305U (en) | Card formula turbine flowmeter | |
| CN203054072U (en) | Corona current acquisition card based on USB bus | |
| CN202255479U (en) | Optical energy wireless transmission open channel flowmeter | |
| CN205561957U (en) | Intelligence open -channel meter | |
| CN206221220U (en) | Water pump intelligent controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20170329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |