CN208171360U - A tractor serves several purposes distributed remote flow measurement device based on self-identifying - Google Patents

Abstract

The utility model discloses a tractor serves several purposes distributed remote flow measurement devices based on self-identifying, including MCU central processing unit, antenna, flow sensor, GPRS communication module, ultrasonic calorimeter high precision collecting circuit, power control circuit and external memory circuit, it is characterised in that：61st pin of MCU central processing unit and the 99th pin ground connection, the pin of 68th, 69,70 and 71 is electrically connected with SCK, SO, SI and SSN pin of ultrasonic calorimeter high precision collecting circuit respectively, and the 62nd, 63 pins are electrically connected with the 6th of GPRS communication module, 7 pins respectively；The power control circuit, including voltage stabilizing chip, battery, switch, capacitor, resistance and metal-oxide-semiconductor；The external memory circuit, including external memory chip, resistance and capacitor.The sensor installed on the utility model energy automatic identification pipeline and pipeline, it is low in energy consumption, extend service life.

Description

A tractor serves several purposes distributed remote flow measurement device based on self-identifying

Technical field

The utility model relates to the improvement of device for measuring ultrasonic wave flow, a specifically a kind of machine based on self-identifying Multi-purpose distributed remote flow measurement device is pacified on energy automatic identification pipeline and pipeline suitable for measuring the flow of multiple pipelines The sensor of dress, and measurement pipeline Auto-matching, measurement data can teletransmission, can long-range real-time query data.

Technical background

In industry spot, flow measurement device is one of most important device in commercial measurement.In industry 4.0 and big data Historical background under, the property easy to use of flow measurement device, flexibility, data transmission etc. propose higher want It asks, flow measurement device gradually develops to intelligent, modularization direction, new technology, new device, new material and new process and new soft The development and application of part, so that the accuracy of measurement of flow measurement device is higher and higher, the measurement range of flow is more and more wider, it While overall performance achieves huge advance, function is also more abundant, and in order to adapt to multiple use, various types of flows are surveyed Amount device occurs successively on the market, is widely used in petroleum gas, petrochemical industry, water process, food and drink, pharmacy, energy The industries such as source, metallurgy, paper pulp papermaking and construction material, due to measuring principle difference, their purposes is also different, they are each There is oneself specific applicability and makes every effort to achieve Science and Technology Co., Ltd. in 2016.01.18 submission using limitation, such as Shandong State's patent " ultrasonic calorimeter high precision collecting circuit ", Patent No. CN201620044378.6, disadvantage is that： Device for measuring ultrasonic wave flow used at present needs the parameter of manual modification flow measurement device when carrying out flow measurement Pipeline is matched, and needs to be installed on fixation measuring pipeline, the flow of a fixed -piping can only be measured, cannot arbitrarily move It is dynamic, meanwhile, device for measuring ultrasonic wave flow is constantly in live line work state, and power consumption is big, and data remote is restricted, Bu Nengman The requirement of sufficient real-time data transmission.

Summary of the invention

The purpose of this utility model is to provide a kind of sensors that can be installed on automatic identification pipeline and pipeline, and with survey Buret road Auto-matching, flow measurement device with pipeline be it is separately positioned, can arbitrarily move, a flow measurement device can be used for Measure the flow of multiple pipelines, data can teletransmission, can long-range real-time query data a tractor serves several purposes based on self-identifying it is distributed Remote flow measuring device.

To achieve the above objectives, technical solution used by the utility model is：The a tractor serves several purposes based on self-identifying point Cloth remote flow measuring device, including MCU central processing unit, antenna, flow sensor, GPRS communication module, ultrasonic heat Scale high precision collecting circuit, power control circuit and external memory circuit, ultrasonic calorimeter high precision collecting electricity The P1 interface and P2 interface on road pass through conducting wire respectively and two ports of flow sensor connect, the I-PEX of GPRS communication module Radiofrequency signal output interface is connect with antenna, it is characterised in that：61st pin of MCU central processing unit and the 99th pin ground connection, The 68th pin, the 69th pin, the 70th pin and the 71st pin of MCU central processing unit respectively with ultrasonic calorimeter high-precision SCK pin, SO pin, SI pin and the electrical connection of SSN pin of Acquisition Circuit；62nd pin of MCU central processing unit, the 63rd pipe Foot is electrically connected with the 6th pin, the 7th pin of GPRS communication module respectively；13rd pin of the GPRS communication module and The electrical connection of 14 pins, the 11st pin and the 12nd pin ground connection；The power control circuit, including voltage stabilizing chip, battery, open The anode of pass, capacitor, resistance and metal-oxide-semiconductor, the negativing ending grounding of battery, battery is connect by switch with the 2nd pin of voltage stabilizing chip, 2nd pin of voltage stabilizing chip is connect by No.1 resistance with the grid of No.1 metal-oxide-semiconductor, the 2nd pin and No.1 MOS of voltage stabilizing chip The drain electrode of pipe connects, and the 2nd pin of voltage stabilizing chip passes through No.1 capacitor and No. two capacity earths, the 1st pipe of voltage stabilizing chip respectively Foot ground connection, the 3rd pin of voltage stabilizing chip pass through No. three capacitors and No. four capacity earths, the 3rd pin and MCU of voltage stabilizing chip respectively The VCC pin electrical connection of the 1st pin, the 100th pin and ultrasonic calorimeter high precision collecting circuit of central processing unit, surpasses The GND pin of sound wave calorimeter high precision collecting circuit is grounded, and the source electrode of No.1 metal-oxide-semiconductor passes through No. five capacitors and No. six respectively Capacity earth, the source electrode of No.1 metal-oxide-semiconductor are electrically connected with the 13rd pin of GPRS communication module, the grid of No.1 metal-oxide-semiconductor and No. two The drain electrode of metal-oxide-semiconductor is electrically connected, and the source electrode ground connection of No. two metal-oxide-semiconductors, the grid of No. two metal-oxide-semiconductors passes through No. two resistance eutral groundings, No. two MOS The grid of pipe is electrically connected with the 98th pin of MCU central processing unit；The external memory circuit, including external memory core Piece, resistance and capacitor, the 1st pin of external memory chip, the 2nd pin, the 3rd pin, the 4th pin ground connection, MCU central processing The 50th pin, the 49th pin, the 48th pin and the 47th pin of device are managed with the 5th pin of external memory chip, the 6th respectively Foot, the 7th pin and the electrical connection of the 8th pin, the 5th pin of external memory chip pass through No. five resistance and MCU central processing unit The connection of the 47th pin, the 6th pin of external memory chip connected by the 47th pin of No. four resistance and MCU central processing unit It connects, the 7th pin of external memory chip is connect by No. three resistance with the 47th pin of MCU central processing unit, external storage 8th pin of device chip passes through No. seven capacity earths.

The MCU central processing unit uses the MSP430F448 chip of Texas Instruments (TI) production；GPRS Communication module uses the USR-GPRS232-7S3 module of Jinan someone technology of Internet of things Co., Ltd production；Ultrasonic calorimeter Chinese patent " the ultrasonic heat that Science and Technology Co., Ltd. 2016.01.18 is declared is made every effort to achieve using Shandong with high precision collecting circuit Scale high precision collecting circuit ", Patent No. CN201620044378.6；Flow sensor contains finite instrument using Dalian road The flow sensor of company's production；Battery is 7.4V cylindricality rechargeable lithium battery, is switched as normally opened self-locking key switch, pressure stabilizing core Piece is the HT7330 voltage-stablizer of HOLTEK production, and external memory chip is Ramtron International The ferroelectric memory of Corporation production.

The beneficial effects of the utility model are：Compared with device for measuring ultrasonic wave flow used at present, this is practical new The sensor installed on type energy automatic identification pipeline and pipeline, and with measurement pipeline Auto-matching, flow measurement device and pipeline Be it is separately positioned, can arbitrarily move, and can be used for the flow measurement of multiple pipelines, have very big flexibility, it is easy to carry, Data can long-range real-time query, it is low in energy consumption, extend service life.

Detailed description of the invention

Fig. 1 is the circuit theory schematic diagram of the utility model.

Fig. 2 is the circuit theory schematic diagram of the MCU central processing unit of the utility model.

Fig. 3 is the circuit theory schematic diagram of the GPRS communication module of the utility model.

Fig. 4 is the circuit theory schematic diagram of the ultrasonic calorimeter high precision collecting circuit of the utility model.

Fig. 5 is the circuit theory schematic diagram of the power control circuit of the utility model.

Fig. 6 is the circuit theory schematic diagram of the external memory circuit of the utility model.

In figure：1, MCU central processing unit；2, antenna；3, flow sensor；4, GPRS communication module；5, ultrasonic wave heat Table high precision collecting circuit；6, power control circuit；7, external memory circuit.

Specific embodiment

Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 make the utility model.The a tractor serves several purposes distribution based on self-identifying Formula remote flow measuring device, including MCU central processing unit 1, antenna 2, flow sensor 3, GPRS communication module 4, ultrasonic wave Calorimeter high precision collecting circuit 5, power control circuit 6 and external memory circuit 7, ultrasonic calorimeter are adopted with high-precision The P1 interface and P2 interface of collector 5 pass through conducting wire respectively and connect with two ports of flow sensor 3, GPRS communication module 4 I-PEX radiofrequency signal output interface connect with antenna 2, it is characterised in that：61st pin of MCU central processing unit 1 and the 99th Pin ground connection, the 68th pin, the 69th pin, the 70th pin and the 71st pin of MCU central processing unit 1 respectively with ultrasonic wave heat SCK pin, SO pin, SI pin and the SSN pin of table high precision collecting circuit 5 are electrically connected, and MCU central processing unit 1 passes through 68th pin, the 69th pin, the 70th pin and the 71st pin and ultrasonic calorimeter carry out SPI with high precision collecting circuit 5 and lead to Letter is inserted into flow sensor 3 in pipe under test when needing to carry out flow measurement, adopts to ultrasonic calorimeter high-precision The measurement of collector 5 finishes, and can give 1 time signal of MCU central processing unit, and MCU central processing unit 1 reads ultrasound by SPI interface Wave calorimeter measures the data of chip measurement with the LC9505 time in high precision collecting circuit 5, and progress operation obtains final Data on flows；The 62nd pin, the 63rd pin of MCU central processing unit 1 are managed with the 6th pin of GPRS communication module 4, the 7th respectively The calculating data of MCU central processing unit 1 are transmitted to host computer by foot electrical connection, GPRS communication module 4, and GPRS is online When, user can long-range real-time detection flow working condition, realize data remote, real-time query and communication convenient for data；Institute 13rd pin of the GPRS communication module 4 stated and the electrical connection of the 14th pin, the 11st pin and the 12nd pin ground connection；The power supply Control circuit 6, including voltage stabilizing chip U1, battery J1, switch K1, capacitor, resistance and metal-oxide-semiconductor, the negativing ending grounding of battery J1, battery The anode of J1 is connect by switch K1 with the 2nd pin of voltage stabilizing chip U1, and the 2nd pin of voltage stabilizing chip U1 passes through No.1 resistance R1 It is connect with the grid of No.1 metal-oxide-semiconductor Q1, the 2nd pin of voltage stabilizing chip U1 is connect with the drain electrode of No.1 metal-oxide-semiconductor Q1, voltage stabilizing chip U1 The 2nd pin pass through No.1 capacitor C1 and No. two capacitor C2 ground connection, the 1st pin ground connection of voltage stabilizing chip U1, voltage stabilizing chip respectively The 3rd pin of U1 passes through No. three capacitor C3 and No. four capacitor C4 ground connection, the 3rd pin and MCU centre of voltage stabilizing chip U1 respectively Manage the VCC pin electrical connection of the 1st pin, the 100th pin and ultrasonic calorimeter high precision collecting circuit 5 of device 1, ultrasonic wave The GND pin of calorimeter high precision collecting circuit 5 is grounded, and the source electrode of No.1 metal-oxide-semiconductor Q1 passes through No. five capacitor C5 and six respectively Number capacitor C6 ground connection, the source electrode of No.1 metal-oxide-semiconductor Q1 are electrically connected with the 13rd pin of GPRS communication module 4, the grid of No.1 metal-oxide-semiconductor Q1 Pole is electrically connected with the drain electrode of No. two metal-oxide-semiconductor Q2, and the source electrode ground connection of No. two metal-oxide-semiconductor Q2, the grid of No. two metal-oxide-semiconductor Q2 passes through No. two electricity R2 ground connection is hindered, the grid of No. two metal-oxide-semiconductor Q2 is electrically connected with the 98th pin of MCU central processing unit 1, the 3rd pipe of voltage stabilizing chip U1 Foot is voltage output end, is powered to MCU central processing unit 1 and ultrasonic calorimeter high precision collecting circuit 5；In the free time It when state, is not powered, power supply state is only just in when carrying out flow measurement, press lower switch K1, the center MCU at this time 98th pin of processor 1 is the power control terminal of GPRS communication module 4, and when for high level, the source electrode of No.1 metal-oxide-semiconductor Q1 is Out-put supply is powered to GPRS communication module 4, is waited GPRS data to be transmitted, this control terminal is dragged down, so that it may give GPRS Communication module 4 powers off, and reduces power consumption, avoids flow measurement device and be constantly in live line work state, it is ensured that remote flow is surveyed Amount device achievees the purpose that low-power consumption during use；The external memory circuit 7, including external memory chip U4, resistance and capacitor, the 1st pin of external memory chip U4, the 2nd pin, the 3rd pin, the 4th pin ground connection, MCU centre Manage the 50th pin, the 49th pin, the 48th pin and the 47th pin of device 1 respectively with the 5th pin of external memory chip U4, the 6 pins, the 7th pin and the electrical connection of the 8th pin, MCU central processing unit 1 pass through the 50th pin, the 49th pin and external memory Chip U4 carries out I2C communication, the 5th pin of external memory chip U4 pass through No. five resistance R5 and MCU central processing unit 1 the The connection of 47 pins, the 6th pin of external memory chip U4 pass through the 47th pin of No. four resistance R4 and MCU central processing unit 1 7th pin of connection, external memory chip U4 is connect by No. three resistance R3 with the 47th pin of MCU central processing unit 1, outside The 8th pin of portion memory chip U4 passes through No. seven capacitor C7 ground connection；External memory chip U4 is ferroelectric memory, there is 16K Memory space, 4000 kinds of sensor parameters can be stored, sensors all on the market can be covered substantially, and data are after a power failure It can save 38 years, send excitation parameters, time parameter, flow sensor 3 by address storage in external memory chip U4 After being inserted into pipe under test, before carrying out flow measurement, MCU central processing unit 1 can be by address reading external memory chip The transmission excitation parameters being previously stored in U4, MCU central processing unit 1 and ultrasonic calorimeter with high precision collecting circuit 5 into Row SPI communication, this excitation parameters is acted in a flow sensor 3, receives ultrasonic heat to MCU central processing unit 1 After time signal of the scale with high precision collecting circuit 5, then compare with the time parameter that has been stored in external memory, if one Cause, then carry out normal flow measurement, if it is inconsistent, carry out the comparison of next parameter by address, until matching at Function, the design of Auto-matching can be with automatic identification essentially all of flow sensor 3 and pipeline on the market, flow measurement device Therefore with the characteristic of self-identifying, flow measurement device and pipeline be it is separately positioned, can arbitrarily move, there is very big spirit Activity.

The MSP430F448 chip that the MCU central processing unit 1 is produced using Texas Instruments (TI)； The USR-GPRS232-7S3 module that GPRS communication module 4 is produced using Jinan someone technology of Internet of things Co., Ltd；Ultrasonic heat Scale is made every effort to achieve the Chinese patent that Science and Technology Co., Ltd. 2016.01.18 is declared using Shandong with high precision collecting circuit 5 and " is surpassed Sound wave calorimeter high precision collecting circuit ", Patent No. CN201620044378.6；Flow sensor 3 is contained using Dalian road The flow sensor of finite instrument company production, flow sensor 3, which is arranged in pairs, to be used, and can be inserted different to test tube Road can be moved arbitrarily, have very big flexibility, so being capable of measuring multiple pipelines；Battery J1 is the chargeable lithium electricity of 7.4V cylindricality Pond, switch K1 are normally opened self-locking key switch, and voltage stabilizing chip U1 is the HT7330 voltage-stablizer of HOLTEK production, external memory core Piece U4 is the ferroelectric memory of Ramtron International Corporation production.

Claims (1)

1. a tractor serves several purposes distributed remote flow measurement device based on self-identifying, including MCU central processing unit（1）, antenna （2）, flow sensor（3）, GPRS communication module（4）, ultrasonic calorimeter high precision collecting circuit（5）, power supply control electricity Road（6）With external memory circuit（7）, ultrasonic calorimeter high precision collecting circuit（5）P1 interface and P2 interface difference Pass through conducting wire and flow sensor（3）Two ports connection, GPRS communication module（4）I-PEX radiofrequency signal output interface With antenna（2）Connection, it is characterised in that：MCU central processing unit（1）The 61st pin and the 99th pin ground connection, MCU central processing Device（1）The 68th pin, the 69th pin, the 70th pin and the 71st pin respectively with ultrasonic calorimeter high precision collecting circuit （5）SCK pin, SO pin, SI pin and SSN pin electrical connection；MCU central processing unit（1）The 62nd pin, the 63rd pin Respectively with GPRS communication module（4）The 6th pin, the 7th pin electrical connection；The GPRS communication module（4）The 13rd pin It is electrically connected with the 14th pin, the 11st pin and the 12nd pin ground connection；The power control circuit（6）, including voltage stabilizing chip U1, The anode of battery J1, switch K1, capacitor, resistance and metal-oxide-semiconductor, the negativing ending grounding of battery J1, battery J1 passes through switch K1 and pressure stabilizing The 2nd pin of chip U1 connects, and the 2nd pin of voltage stabilizing chip U1 is connect by No.1 resistance R1 with the grid of No.1 metal-oxide-semiconductor Q1, The 2nd pin of voltage stabilizing chip U1 is connect with the drain electrode of No.1 metal-oxide-semiconductor Q1, and the 2nd pin of voltage stabilizing chip U1 passes through No.1 electricity respectively Hold C1 and No. two capacitor C2 ground connection, the 1st pin ground connection of voltage stabilizing chip U1, the 3rd pin of voltage stabilizing chip U1 passes through No. three respectively Capacitor C3 and No. four capacitor C4 ground connection, the 3rd pin and MCU central processing unit of voltage stabilizing chip U1（1）The 1st pin, the 100th pipe Foot and ultrasonic calorimeter high precision collecting circuit（5）VCC pin electrical connection, ultrasonic calorimeter with high precision collecting electricity Road（5）GND pin ground connection, the source electrode of No.1 metal-oxide-semiconductor Q1 passes through No. five capacitor C5 and No. six capacitor C6 ground connection, No.1 respectively The source electrode and GPRS communication module of metal-oxide-semiconductor Q1（4）The electrical connection of the 13rd pin, the grid of No.1 metal-oxide-semiconductor Q1 and No. two metal-oxide-semiconductor Q2 Drain electrode electrical connection, the source electrode ground connection of No. two metal-oxide-semiconductor Q2, the grid of No. two metal-oxide-semiconductor Q2 is by No. two resistance R2 ground connection, No. two The grid and MCU central processing unit of metal-oxide-semiconductor Q2（1）The 98th pin electrical connection；The external memory circuit（7）, including External memory chip U4, resistance and capacitor, the 1st pin, the 2nd pin, the 3rd pin, the 4th pin of external memory chip U4 Ground connection, MCU central processing unit（1）The 50th pin, the 49th pin, the 48th pin and the 47th pin respectively with external memory core The 5th pin, the 6th pin, the 7th pin and the electrical connection of the 8th pin of piece U4, the 5th pin of external memory chip U4 pass through five Number resistance R5 and MCU central processing unit（1）The connection of the 47th pin, the 6th pin of external memory chip U4 passes through No. four electricity Hinder R4 and MCU central processing unit（1）The connection of the 47th pin, the 7th pin of external memory chip U4 passes through No. three resistance R3 With MCU central processing unit（1）The connection of the 47th pin, the 8th pin of external memory chip U4 passes through No. seven capacitor C7 ground connection.