CN208171361U - A tractor serves several purposes plug-in type remote flow measuring device - Google Patents

Abstract

The utility model discloses a tractor serves several purposes plug-in type remote flow measuring devices, including MCU central processing unit, antenna, flow sensor, GPRS communication module, ultrasonic calorimeter high precision collecting circuit and power control circuit, the 68th pin, the 69th pin, the 70th pin and the 71st pin of MCU central processing unit are electrically connected with SCK pin, SO pin, SI pin and the SSN pin of ultrasonic calorimeter high precision collecting circuit respectively；The 62nd pin, the 63rd pin of MCU central processing unit are electrically connected with the 6th pin, the 7th pin of GPRS communication module respectively；The power control circuit, including voltage stabilizing chip, battery, switch, capacitor, resistance and metal-oxide-semiconductor, the grid of No. two metal-oxide-semiconductors are electrically connected with the 98th pin of MCU central processing unit.The utility model does not need to be mounted on fixed pipeline, can be used for the flow measurement of multiple pipelines, has very big flexibility.

Description

A tractor serves several purposes plug-in type remote flow measuring device

Technical field

The utility model relates to the improvement of device for measuring ultrasonic wave flow, specifically a kind of a tractor serves several purposes plug-in type is remote Range of flow measuring device, suitable for measuring the flow of multiple pipelines.

Technical background

In the industrial circle of modernization, device for measuring ultrasonic wave flow be it is a kind of measure fluid flow device, it Play important role in the fields such as industrial production, environmental protection, scientific experiment, resources configuration management, people can pass through Device for measuring ultrasonic wave flow measures the flow of fluid, and then carrys out regulation and control flow, monitoring and control production process, really Protect operation safe and efficient, economic in production process.In recent years, as electronic information technology and the prominent of micro-computer technology fly Pushing ahead vigorously, technology of Internet of things is more widely applied every field, under the overall background of Internet of Things, device for measuring ultrasonic wave flow The development of positive intelligent direction makes it have high-speed data processing, mass data storage capability, become collect status monitoring, from I diagnoses and the system that is integrated of system maintenance, and current device for measuring ultrasonic wave flow, can be with according to the difference of mounting means It is divided into external labeling type, plug-in type, pipeline section type, as the Chinese patent that Science and Technology Co., Ltd. submits in 2016.01.18 is made every effort to achieve in Shandong " ultrasonic calorimeter high precision collecting circuit ", Patent No. CN201620044378.6, disadvantage is that：Institute at present The device for measuring ultrasonic wave flow used is largely installed on fixed pipeline, only can measure the stream of a fixed -piping Amount, cannot arbitrarily move, not Portable belt, and device for measuring ultrasonic wave flow is constantly in live line work state, and power consumption is big, number It is restricted according to teletransmission, is not able to satisfy the requirement of real-time data transmission.

Summary of the invention

The purpose of this utility model is to provide one kind not to need to be mounted on fixed -piping, can arbitrarily move, and Can measure the flow of multiple pipelines, data can teletransmission, a tractor serves several purposes plug-in type remote flow measuring device of low-power consumption.

To achieve the above objectives, technical solution used by the utility model is：The a tractor serves several purposes plug-in type remote flow Measuring device, including MCU central processing unit, antenna, flow sensor, GPRS communication module, ultrasonic calorimeter high-precision Acquisition Circuit and power control circuit, the P1 interface and P2 interface of ultrasonic calorimeter high precision collecting circuit pass through respectively leads The connection of two ports of line and flow sensor, the I-PEX radiofrequency signal output interface of GPRS communication module are connect with antenna, It is characterized in that：61st pin of MCU central processing unit and the 99th pin ground connection, the 68th pin of MCU central processing unit, the 69th pipe Foot, the 70th pin and the 71st pin are managed with the SCK pin, SO pin, SI of ultrasonic calorimeter high precision collecting circuit respectively Foot and the electrical connection of SSN pin；The 62nd pin, the 63rd pin of MCU central processing unit are managed with the 6th of GPRS communication module the respectively Foot, the electrical connection of the 7th pin；13rd pin of the GPRS communication module and the electrical connection of the 14th pin, the 11st pin and the 12nd Pin ground connection；The power control circuit, including voltage stabilizing chip, battery, switch, capacitor, resistance and metal-oxide-semiconductor, battery are born The anode of end ground connection, battery is connect by switch with the 2nd pin of voltage stabilizing chip, and the 2nd pin of voltage stabilizing chip passes through No.1 electricity Resistance is connect with the grid of No.1 metal-oxide-semiconductor, and the 2nd pin of voltage stabilizing chip is connect with the drain electrode of No.1 metal-oxide-semiconductor, and the 2nd of voltage stabilizing chip the Pin passes through No.1 capacitor and No. two capacity earths, the 1st pin ground connection of voltage stabilizing chip, the 3rd pin point of voltage stabilizing chip respectively Not Tong Guo No. three capacitors and No. four capacity earths, the 1st pin of the 3rd pin of voltage stabilizing chip and MCU central processing unit, the 100th The electrical connection of the VCC pin of pin and ultrasonic calorimeter high precision collecting circuit 5, ultrasonic calorimeter high precision collecting electricity The GND pin on road is grounded, and the source electrode of No.1 metal-oxide-semiconductor passes through No. five capacitors and No. six capacity earths, the source electrode of No.1 metal-oxide-semiconductor respectively It is electrically connected with the 13rd pin of GPRS communication module, the grid of No.1 metal-oxide-semiconductor is electrically connected with the drain electrode of No. two metal-oxide-semiconductors, No. two MOS The source electrode of pipe is grounded, and the grid of No. two metal-oxide-semiconductors passes through No. two resistance eutral groundings, grid and the MCU central processing unit of No. two metal-oxide-semiconductors The electrical connection of 98th pin.

The beneficial effects of the utility model are：Compared with device for measuring ultrasonic wave flow used at present, this is practical new Type low-profile, structure is simple, does not need to be mounted on fixed pipeline, can arbitrarily move, and can be used for multiple pipelines Flow measurement, 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.

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.

Specific embodiment

Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 make the utility model.A tractor serves several purposes plug-in type remote flow measurement dress It sets, including MCU central processing unit 1, antenna 2, flow sensor 3, GPRS communication module 4, ultrasonic calorimeter are adopted with high-precision Collector 5 and power control circuit 6, the P1 interface and P2 interface of ultrasonic calorimeter high precision collecting circuit 5 pass through respectively Conducting wire is connect with two ports of flow sensor 3, and the I-PEX radiofrequency signal output interface and antenna 2 of GPRS communication module 4 connect It connects, it is characterised in that：61st pin of MCU central processing unit 1 and the 99th pin ground connection, the 68th pipe of MCU central processing unit 1 Foot, the 69th pin, the 70th pin and the 71st pin respectively with the SCK pin of ultrasonic calorimeter high precision collecting circuit 5, SO Pin, SI pin and the electrical connection of SSN pin, MCU central processing unit 1 pass through the 68th pin, the 69th pin, the 70th pin and the 71st Pin and ultrasonic calorimeter carry out SPI communication with high precision collecting circuit 5, and when needing to carry out flow measurement, flow is passed Sensor 3 is inserted into pipe under test, is finished to the measurement of ultrasonic calorimeter high precision collecting circuit 5, can be given MCU central processing unit 1 time signal, MCU central processing unit 1 read ultrasonic calorimeter in high precision collecting circuit 5 by SPI interface The LC9505 time measures the data of chip measurement, carries out operation and obtains final data on flows；The 62nd of MCU central processing unit 1 Pin, the 63rd pin are electrically connected with the 6th pin, the 7th pin of GPRS communication module 4 respectively, and GPRS communication module 4 will be in MCU The calculating data of central processor 1 are transmitted to host computer, when GPRS is online, user can long-range real-time detection flow work State realizes data remote, real-time query and communication convenient for data；13rd pin of the GPRS communication module 4 and The electrical connection of 14 pins, the 11st pin and the 12nd pin ground connection；The power control circuit 6, including voltage stabilizing chip U1, battery The anode of J1, switch K1, capacitor, resistance and metal-oxide-semiconductor, the negativing ending grounding of battery J1, battery J1 passes through switch K1 and voltage stabilizing chip The 2nd pin of 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, pressure stabilizing The 2nd pin of 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 capacitor C1 respectively It is grounded with No. two capacitor C2, the 1st pin ground connection of voltage stabilizing chip U1, the 3rd pin of voltage stabilizing chip U1 passes through No. three capacitors respectively 1st pin of C3 and No. four capacitor C4 ground connection, the 3rd pin of voltage stabilizing chip U1 and MCU central processing unit 1, the 100th pin and super The VCC pin of sound wave calorimeter high precision collecting circuit 5 is electrically connected, the GND of ultrasonic calorimeter high precision collecting circuit 5 Pin ground connection, the source electrode of No.1 metal-oxide-semiconductor Q1 pass through No. five capacitor C5 and No. six capacitor C6 ground connection, the source of No.1 metal-oxide-semiconductor Q1 respectively Pole is electrically connected with the 13rd pin of GPRS communication module 4, and the grid of No.1 metal-oxide-semiconductor Q1 is electrically connected with the drain electrode of No. two metal-oxide-semiconductor Q2, The source electrode ground connection of No. two metal-oxide-semiconductor Q2, the grid of No. two metal-oxide-semiconductor Q2 by No. two resistance R2 ground connection, the grid of No. two metal-oxide-semiconductor Q2 with 98th pin of MCU central processing unit 1 is electrically connected, and the 3rd pin of voltage stabilizing chip U1 is voltage output end, gives MCU central processing Device 1 is powered；It when being in idle condition, is not powered, is only just in power supply state when carrying out flow measurement, at this time By lower switch K1, the 98th pin of MCU central processing unit 1 is the power control terminal of GPRS communication module 4, when for high level, The source electrode ability out-put supply of No.1 metal-oxide-semiconductor Q1 is powered to GPRS communication module 4, waits GPRS data to be transmitted, this is controlled End drags down, so that it may power off to GPRS communication module 4, reduce power consumption, avoid flow measurement device and be constantly in live line work State, it is ensured that remote flow measuring device achievees the purpose that low-power consumption during use.

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.

Claims (1)

1. a tractor serves several purposes plug-in type remote flow measuring device, including MCU central processing unit（1）, antenna（2）, flow sensor （3）, GPRS communication module（4）, ultrasonic calorimeter high precision collecting circuit（5）And power control circuit（6）, ultrasonic heat Scale high precision collecting circuit（5）P1 interface and P2 interface pass through conducting wire and flow sensor respectively（3）Two ports Connection, GPRS communication module（4）I-PEX radiofrequency signal output interface and antenna（2）Connection, it is characterised in that：MCU centre Manage device（1）The 61st pin and the 99th pin ground connection, MCU central processing unit（1）The 68th pin, the 69th pin, the 70th pin With the 71st pin respectively with ultrasonic calorimeter high precision collecting circuit（5）SCK pin, SO pin, SI pin and SSN pipe Foot electrical connection；MCU central processing unit（1）The 62nd pin, the 63rd pin respectively with GPRS communication module（4）The 6th pin, The electrical connection of 7 pins；The GPRS communication module（4）The 13rd pin and the 14th pin electrical connection, the 11st pin and the 12nd pipe Foot ground connection；The power control circuit（6）, including voltage stabilizing chip U1, battery J1, switch K1, capacitor, resistance and metal-oxide-semiconductor, electricity The negativing ending grounding of pond J1, the anode of battery J1 are connect by switch K1 with the 2nd pin of voltage stabilizing chip U1, and the of voltage stabilizing chip U1 2 pins are connect by No.1 resistance R1 with the grid of No.1 metal-oxide-semiconductor Q1, and the 2nd pin of voltage stabilizing chip U1 is with No.1 metal-oxide-semiconductor Q1's Drain electrode connection, the 2nd pin of voltage stabilizing chip U1 pass through No.1 capacitor C1 and No. two capacitor C2 ground connection respectively, and the of voltage stabilizing chip U1 1 pin ground connection, the 3rd pin of voltage stabilizing chip U1 pass through No. three capacitor C3 and No. four capacitor C4 ground connection respectively, voltage stabilizing chip U1's 3rd pin and MCU central processing unit（1）The 1st pin, the 100th pin and ultrasonic calorimeter high precision collecting circuit（5） VCC pin electrical connection, ultrasonic calorimeter high precision collecting circuit（5）GND pin ground connection, the source of No.1 metal-oxide-semiconductor Q1 Pole passes through No. five capacitor C5 and No. six capacitor C6 ground connection, the source electrode and GPRS communication module of No.1 metal-oxide-semiconductor Q1 respectively（4）The 13rd Pin electrical connection, the grid of No.1 metal-oxide-semiconductor Q1 are electrically connected with the drain electrode of No. two metal-oxide-semiconductor Q2, 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 resistance R2 ground connection, the grid and MCU central processing unit of No. two metal-oxide-semiconductor Q2（1）The 98th Pin electrical connection.