CN208805183U - A kind of pumping unit displacement measurement experimental provision based on acceleration transducer - Google Patents

Abstract

The utility model patent is related to a kind of pumping unit displacement measurement experimental provision based on acceleration transducer.The experimental provision is installed on pumping unit hanging point, passes through measurement point suspension movement acceleration calculation suspension point displacement.Experimental provision includes battery, power module, one-chip computer module, acceleration sensor module, data memory module, human-computer interaction module.The device can install a variety of acceleration transducers by acceleration transducer blanket socket, using a variety of data such as USB flash disk storage acceleration transducer output, calculating process data, displacement measurement, different computational algorithms, display calculated result are selected by human-computer interaction module.The device can test different acceleration transducers and displacement computational algorithm, provide reference to choose the best alternatives, great popularization.

Description

A kind of pumping unit displacement measurement experimental provision based on acceleration transducer

Technical field

The utility model relates to a kind of pumping unit experimental provision, in particular to a kind of pumping unit based on acceleration transducer Displacement measurement experimental provision.

Background technique

Pumping-unit workdone graphic is the important evidence for analyzing pumping unit downhole pump working condition, it is by pumping unit at one Load and displacement in jig frequency at suspension point form.Load can directly be measured by load transducer, but displacement measurement is more multiple It is miscellaneous.

Pumping unit hanging point displacement measurement has the methods of stay-supported, angled type, acceleration formula at present, wherein stay-supported and angle Formula is needed by complicated mechanical mechanism, and failure rate is very high, thus using it is more be acceleration formula.This method is to pass through acceleration Sensor measurement pumping unit hanging point up and down motion acceleration is spent, then the displacement that quadratic integral obtains suspension point is carried out to acceleration.It should Method can both use single-axis acceleration sensors, such as patent " the pumping unit polish rod acceleration displacement sensor " (patent No. CN200720023552), multi-shaft acceleration transducer can also be used, such as the patent " wireless low-power consumption based on Zigbee network Oil well power indicator " (patent No. CN201210445726) and a kind of patent " pumping unit hanging point based on 3-axis acceleration sensor Displacement measuring device " (patent No. CN201520006479).But above-mentioned patent is all based on a certain specific acceleration sensing Device measures pumping unit hanging point displacement, the acceleration sensing used such as patent " pumping unit polish rod acceleration displacement sensor " Device is ADXL105, the acceleration transducer that patent " the wireless low-power consumption oil well power indicator based on Zigbee network " uses for ADXL203, the acceleration that patent " a kind of pumping unit hanging point displacement measuring device based on 3-axis acceleration sensor " uses pass Sensor is ADXL327.With the development of MEMS, new acceleration transducer is continued to bring out, and has better property Can, if using New Acceleration Transducers instead, it is necessary to be redesigned to circuit, algorithm, this provides for improved the complexity of product development Property.And the corresponding equipment of above-mentioned patent can only store low volume data by FLASH memory, cannot store acceleration transducer The data and calculating process data of output, can not directly import data to computer, improve equipment development difficulty.On in addition, Patent is stated without man-machine interactive portion, cannot directly display calculated result.

A kind of pumping unit displacement measurement experimental provision based on acceleration transducer provided by the invention is exactly to be in solution It states problem and invents.

Summary of the invention

The purpose of this utility model provides a kind of based on acceleration sensing aiming at drawbacks described above of the existing technology The pumping unit displacement measurement experimental provision of device, for solving the pumping unit hanging point displacement measurement dress currently based on acceleration transducer Acceleration transducer, modification algorithm cannot be replaced, largely store and directly export data, cannot directly display calculated result etc. by setting Problem.

A kind of pumping unit displacement measurement experimental provision based on acceleration transducer that the utility model is mentioned, technical side Case is: including battery, power module, one-chip computer module, acceleration sensor module, data memory module, human-computer interaction module, Battery and power module are powered to whole device；Acceleration sensor module is installed different using acceleration transducer blanket socket The acceleration transducer of model；Data memory module is used using USB flash disk storage sampled data, calculating process data and calculated result It is analyzed in data；Human-computer interaction module shows calculated result, and can be used for selecting different computational algorithms；

The acceleration transducer blanket socket is set as Dual-In-Line type socket, totally ten pins, wherein and power supply use+ 5V and two kinds of voltages of+3.3V, power supply and ground account for three pins, remaining seven pin connects P6.0~P6.6 mouth of single-chip microcontroller.

Preferably, above-mentioned power module is used to power to whole device, and battery uses 9V lithium battery, and power module uses The power supply chip of two kinds of models of ASM1117-5.0 and LP2985-3.3, ASM1117-5.0 are powered by 9V battery, it is possible to provide electric current For+5V the direct current of 1A；LP2985-3.3 is powered by+5V, it is possible to provide electric current is the 3.3V direct current of 150mA.

Preferably, the model MSP430F1611 for the single-chip microcontroller U1 that above-mentioned one-chip computer module uses, single-chip microcontroller U1 connection The crystal oscillator of two kinds of frequencies of 32.768kHz and 8MHz, standby mode use low frequency crystal oscillator, and working condition uses high-frequency crystal oscillator.

Preferably, the circuit U 3 that above-mentioned one-chip computer module uses is reset chip, model IMP811, the reset chip 1 foot connect GND, 2 feet connect 58 feet of single-chip microcontroller U1, i.e. RST foot, and 3 feet connect a key S1,4 foot connection+3.3V power supplys； When not pressing the button S1, the RST pin of single-chip microcontroller U1 inputs a high level, and single-chip microcontroller operates normally, when pressing S1, monolithic The RST pin of machine U1 inputs a low level, makes monolithic processor resetting, in addition, when+3.3V supply voltage is down to 2.63V, it also can be automatic Issue reset signal.

Preferably, above-mentioned data memory module is used to store acceleration information, calculating process data and calculated result, the mould Block is mainly made of CH376T and USB socket, and the U5 chip in circuit is CH376T, is a kind of file management control chip, is used The file in USB flash disk or SD card is read and write in SCM system.The beneficial effects of the utility model are: the utility model is using general The acceleration transducer of socket selection different model；Data memory module is by USB flash disk to sampled data, calculating process data and meter Result is calculated to be stored；Human-computer interaction module shows calculated result, and different computational algorithms can be selected.

The beneficial effects of the utility model are: the utility model selects different model using acceleration transducer blanket socket Acceleration transducer；Data memory module stores sampled data, calculating process data and calculated result by USB flash disk； Human-computer interaction module shows calculated result, and different computational algorithm and parameter can be selected；It solves in the prior art Deficiency.

Detailed description of the invention

Fig. 1 is apparatus structure schematic block diagram

Fig. 2 is power module circuitry figure

Fig. 3 is one-chip computer module and human-computer interaction module circuit diagram

Fig. 4 is acceleration transducer blanket socket circuit diagram

Fig. 5 is data memory module circuit diagram

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

A kind of pumping unit displacement measurement experimental provision based on acceleration transducer that the utility model is mentioned, technical side Case is: including battery, power module, one-chip computer module, acceleration sensor module, data memory module, human-computer interaction module, Battery and power module are powered to whole device；Acceleration sensor module is installed different using acceleration transducer blanket socket The acceleration transducer of model；Data memory module is used using USB flash disk storage sampled data, calculating process data and calculated result It is analyzed in data；Human-computer interaction module shows calculated result, and can be used for selecting different computational algorithms；

The acceleration transducer blanket socket is set as Dual-In-Line type socket, totally ten pins, wherein and power supply use+ 5V and two kinds of voltages of+3.3V, power supply and ground account for three pins, remaining seven pin connects P6.0~P6.6 mouth of single-chip microcontroller.

Preferably, above-mentioned power module is used to power to whole device, and battery uses 9V lithium battery, and power module uses The power supply chip of two kinds of models of ASM1117-5.0 and LP2985-3.3, ASM1117-5.0 are powered by 9V battery, it is possible to provide electric current For+5V the direct current of 1A；LP2985-3.3 is powered by+5V, it is possible to provide electric current is the 3.3V direct current of 150mA.

Preferably, the model MSP430F1611 for the single-chip microcontroller U1 that above-mentioned one-chip computer module uses, single-chip microcontroller U1 connection The crystal oscillator of two kinds of frequencies of 32.768kHz and 8MHz, standby mode use low frequency crystal oscillator, and working condition uses high-frequency crystal oscillator.

Preferably, the circuit U 3 that above-mentioned one-chip computer module uses is reset chip, model IMP811, the reset chip 1 foot connect GND, 2 feet connect 58 feet of single-chip microcontroller U1, i.e. RST foot, and 3 feet connect a key S1,4 foot connection+3.3V power supplys； When not pressing the button S1, the RST pin of single-chip microcontroller U1 inputs a high level, and single-chip microcontroller operates normally, when pressing S1, monolithic The RST pin of machine U1 inputs a low level, makes monolithic processor resetting, in addition, when+3.3V supply voltage is down to 2.63V, it also can be automatic Issue reset signal.

Preferably, above-mentioned data memory module is used to store acceleration information, calculating process data and calculated result, the mould Block is mainly made of CH376T and USB socket, and the U5 chip in circuit is CH376T, is a kind of file management control chip, is used The file in USB flash disk or SD card is read and write in SCM system.The beneficial effects of the utility model are: the utility model is using general The acceleration transducer of socket selection different model；Data memory module is by USB flash disk to sampled data, calculating process data and meter Result is calculated to be stored；Human-computer interaction module shows calculated result, and different computational algorithms can be selected.

Specifically:

One, the installation site of device.

The device is fixed on pumping unit hanging point.When pumping unit hanging point moves up and down, which moves up and down simultaneously, passes through Acceleration transducer measures the acceleration of motion of suspension point.

Two, the composition of device

The composition of the device is as shown in Figure 1.The device includes battery, power module, one-chip computer module, acceleration transducer Module, data memory module, human-computer interaction module.Battery and power module are powered to whole device；Acceleration sensor module Utilize the acceleration transducer of acceleration transducer blanket socket installation different model；Data memory module is adopted using USB flash disk storage Sample data, calculating process data and calculated result are analyzed for data；Human-computer interaction module shows calculated result, and It can be used for selecting different computational algorithms.

Three, power module

Power module is used to power to whole device, and battery uses 9V lithium battery, can facilitate acquisition.Due to USB flash disk and portion Acceleration transducer needs+the 5V of parting number powers, single-chip microcontroller needs+3.3V power supply, therefore power module uses The power supply chip of two kinds of models of ASM1117-5.0 and LP2985-3.3.ASM1117-5.0 is powered by 9V battery, it is possible to provide electric current For+5V the direct current of 1A；LP2985-3.3 is powered by+5V, it is possible to provide electric current is the 3.3V direct current of 150mA.The electricity of the device Source module circuit is as shown in Figure 2.The positive and negative anodes of two terminals connection 9V battery of socket BATTERY, socket switch connection one Ship type switch, for the on-off of control circuit.10uF capacitor C3 and 10uF capacitor C6 plays pressure stabilization function, reduces ASM1117-5.0 With the fluctuation of two power supply chip input voltages of LP2985-3.3.The high frequency that 0.1uF capacitor C4 filters out ASM1117-5.0 output is miscellaneous Wave, 47uF capacitor C5 play pressure stabilization function to the+5V voltage that ASM1117-5.0 is exported, and reduce output voltage fluctuation.0.01uF capacitor C7 filters out the high frequency spurs of LP2985-3.3 output, and 10uF capacitor C8 plays pressure stabilization function to LP2985-3.3 output voltage.

The module electronic element is as shown in table 1:

1 power module electronic component list of table

Four, one-chip computer module and human-computer interaction module

Fig. 3 is one-chip computer module and human-computer interaction module circuit.

Single-chip microcontroller U1 in circuit, model MSP430F1611.Single-chip microcontroller U1 is the super low-power consumption list of TI company production One of piece machine.The ROM of RAM and 48kB of the single-chip microcontroller with 10kB, every MHz electric current only have 330 μ A, standby mode electric current Only 1.1 μ A.In circuit, which connects the crystal oscillator of two kinds of frequencies of 32.768kHz and 8MHz.Standby mode is brilliant using low frequency Vibration, working condition use high-frequency crystal oscillator.It not only can guarantee low-power consumption in this way, but also can guarantee arithmetic speed.Connect the capacitor of single-chip microcontroller C2 is used to stablize single-chip microcontroller content reference voltage.

U3 is the reset chip of single-chip microcontroller, model IMP811.1 foot of chip connects GND, and 2 feet connect the 58 of single-chip microcontroller Foot, i.e. RST foot, 3 feet connect a key S1,4 foot connection+3.3V power supplys.When not pressing the button S1, the RST pin of single-chip microcontroller A high level is inputted, single-chip microcontroller operates normally, and when pressing S1, the RST pin of single-chip microcontroller inputs a low level, answers single-chip microcontroller Position.In addition, can also issue reset signal automatically when+3.3V supply voltage is down to 2.63V.

XT1 is a 32.768kHz without source crystal oscillator, is connected to 8,9 two pins of single-chip microcontroller.XT2 is the passive crystalline substance of a 8MHz Vibration, is connected to 52,53 two pins of single-chip microcontroller, coupled two 15pF capacitors of C9, C10 are starting of oscillation capacitors, make 8MHz crystal oscillator It works normally.

JTAG socket is an emulation, debugging and program download interface, connects the jtag interface of emulator and single-chip microcontroller.This is inserted 54 feet of the 1 foot connection single-chip microcontroller of seat, i.e. TDO pin, 2 foot connection+3.3V power supplys, 3 feet connect 55 feet of single-chip microcontroller, i.e. TDI Pin, 4 feet are hanging, and 5 feet connect 56 feet of single-chip microcontroller, i.e. TMS pin, and 6 feet are hanging, and 7 feet connect 57 feet of single-chip microcontroller, i.e. TCK Pin, 8 feet are hanging, and 9 feet ground connection, 10 feet are hanging, and 11 feet connect 58 feet of single-chip microcontroller, i.e. RST pin, and 12,13,14 3 feet are outstanding It is empty.

For LCD socket for connecting LCD liquid crystal display, which uses 12864 type LCD liquid crystal displays.For section The I/O port of single-chip microcontroller is saved, which uses serial interface communication mode.1 foot of socket connects the LEDK backlight cathode and GND of LCD, inserts The LEDA backlight anode and+3.3V power supply of seat 2 feet connection LCD, socket 3 foot connect the RST reset pin and single-chip microcontroller of LCD P3.4,4 foot of socket connect the SCK clock input pin of LCD and the P3.3 of single-chip microcontroller, the STD data letter of the 5 feet connection LCD of socket The P3.2 of number input pin and single-chip microcontroller, the PSB foot and GND of the 6 feet connection LCD of socket, setting LCD is serial interface communication mode, slotting The VDD working power of the P3.0 of CS the piece selected control pin and single-chip microcontroller of the 7 feet connection LCD of seat, the 8 feet connection LCD of socket are drawn Foot and+3.3V, the VSS power ground pin and GND of the 9 feet connection LCD of socket.Using single-chip microcontroller P3.0, P3.2, P3.3 and P3.4 simulative serial port communication protocol is communicated with LCD.Related data and waveform can be shown by the LCD.

CODE is a toggle switch.Position by changing dial-up on toggle switch can change toggle switch pin On-off relationship, when switch is allocated to 0, corresponding two pins are disconnected, and when switch is allocated to 1, corresponding two pins are connected.The switch has Four dial-ups control the on-off between 1 foot and 8 feet, 1 foot and 7 feet, 3 feet and 6 feet, 4 feet and 5 feet of the switch respectively.R6,R7, Tetra- 10k Ω resistance of R8, R9 are pull-up resistors, and 1,2,3,4 four pin of toggle switch is grounded, and 5,6,7,8 four pins connect Tetra- I/O ports of P1.1~P1.4 of single-chip microcontroller, while+3.3V is met by tetra- resistance of R6~R9.It is right when toggle switch is allocated to 0 Two pins are answered to disconnect, the I/O port input high level of single-chip microcontroller；When toggle switch is allocated to 1, corresponding two pins are connected, monolithic The I/O port input low level of machine.In programming, multiple groups parameter or many algorithms can be set in a program, when change four The position of a dial-up, can make the aforementioned four I/O port of single-chip microcontroller input the various combination of low and high level, and single-chip microcontroller reads height Level combinations, according to the corresponding parameter of selection and the algorithm of programming, to realize that single program uses multiple groups parameter and a variety of calculations The purpose of method.

Key1~Key5 is five keys of the device, and one end of each key is grounded, and the other end connects pull-up resistor and list The I/O port of piece machine, i.e., this five by key connection five 10k Ω pull-up resistors of R1~R5, five single-chip I/O mouths of P4.3~P4.7. It is illustrated by taking Key1 and R1 pull-up resistor as an example.When key Key1 is not pressed, the P4.7 of single-chip microcontroller passes through R1 connection+3.3V, The I/O port input high level；When key Key1 is pressed, single-chip microcontroller directly passes through Key1 connection GND, the I/O port input low level.? When the device is run, by pressing different keys, makes P4.3~P4.7 input high level or low level, issued to single-chip microcontroller Different instructions makes single-chip microcontroller control LCD display change display content.

The module electronic element is as shown in table 2:

2 one-chip computer module of table and human-computer interaction module electronic component list

Five, acceleration sensor module

Acceleration sensor module is made of acceleration transducer blanket socket circuit, as shown in Figure 4.It is a large amount of by consulting Acceleration transducer blanket socket is designed as Dual-In-Line type socket, totally ten pins by acceleration transducer data.It considers The characteristics of various acceleration transducers, power supply use+5V and two kinds of voltages of+3.3V, power supply and account for three pins, remaining seven P6.0~P6.6 mouth of pin connection single-chip microcontroller.P6 mouthfuls of selection, is since the P6 mouth of MSP430F1611 type single-chip microcontroller can both have been made For the use of common I/O port, A/D conversion mouth can also be used as, and acceleration transducer exports existing numeric type output, also there is simulation Amount output, therefore the socket can meet the requirement of above two type acceleration transducer.Acceleration transducer is such as replaced, The small circuit board that a block welding new model acceleration transducer need to be only drawn according to jack sizes, is inserted to the socket.

It is illustrated by taking two kinds of acceleration transducers of ADXL327 and ADXL362 as an example below.ADXL327 is with a kind of electricity Pressing mold analog quantity is the 3-axis acceleration sensor of output, using+3.3V power supply power supply.When the device uses ADXL327, it can design One small-sized circuit board inserts in the acceleration transducer blanket socket of the device.Welding circuit board ADXL327, design wiring make The Vs pin connection+3.3V power supply of the chip, COM pin connect GND, and 3-axis acceleration output is respectively connected to blanket socket 1~3 foot, i.e. tri- AD mouthfuls of P6.0, P6.1, P6.2 of single-chip microcontroller, then the acceleration of AD conversion three axis of acquisition is utilized by programming Data.ADXL362 is a kind of 3-axis acceleration sensor exported in the form of digital quantity by spi bus, using+3.3V power supply Power supply.The device use ADXL362 when, can in addition design a small-sized circuit board insert in the device acceleration transducer it is general Socket.Welding circuit board ADXL362 chip, design wiring make the VDD of the chip connect+3.3V power supply with Vs；The chip GND is connected with the GND of socket；The SCLK pin of the chip, i.e. SPI communication clock pins, connect 1 foot of socket, i.e. and P6.0 mouthfuls； The MOSI pin of the chip, i.e. SPI serial date transfer pin, connect 2 feet of socket, i.e. and P6.1 mouthfuls；The MISO of the chip draws Foot, i.e. SPI serial data output pin, connect 3 feet of socket, i.e. and P6.2 mouthfuls；The CS pin of the chip, i.e. SPI chip selection signal, 4 feet of connection socket, i.e. P6.3 mouthfuls；The INT2 pin of the chip interrupts 2 outputs, connects 5 feet of socket, i.e. and P6.4 mouthfuls；It should The INT1 pin of chip, i.e. P interrupt 1 output, connect 6 feet of socket, i.e. and P6.5 mouthfuls.Single-chip microcontroller passes through tetra- IO of P6.0~P6.3 Mouth SPI-bus analogue is communicated with ADXL362, reads 3-axis acceleration, while reading using two I/O ports of P6.4, P6.5 The state of two interrupt outputs of ADXL362.Similar method design circuit board can also be used in the acceleration transducer of remaining model Acceleration transducer blanket socket is inserted in, acceleration information is acquired.

Six, data memory module

Data memory module is used to store acceleration information, calculating process data and calculated result, the module mainly by CH376T and USB socket composition, as shown in Figure 5.

U5 chip in circuit is CH376T, is a kind of file management control chip, reads and writes USB flash disk for SCM system Or the file in SD card.The private communication protocol of the basic firmware and storage equipment of built-in chip type USB communication protocol Firmware can read and write the storage equipment such as USB flash disk of FAT16, FAT32 file system, support 8 parallel ports, SPI interface and asynchronous string Mouthful.USB socket is type A type USB female seat, and USB flash disk can be inserted directly into the socket.XT3 is 12MHz crystal oscillator, and C13 is 22pF electricity Hold, the two provides clock signal with CH376 is combined into.C11 is 100uF capacitor, for stablizing+5V the voltage of USB socket.R41 is One 1 Ω resistance, are connected between+5V power supply and the power pins of USB socket, and when preventing insertion USB flash disk ,+5V power supply generates too big Electric current causes the decline of USB socket supply voltage too many.C12 is 0.1uF capacitor, is filtered for+3.3V the power supply to CH376T Wave.UD+, UD- pin of CH376T is connect with UD+, UD- pin of USB socket respectively.The SPI pin of CH376T meets+3.3V, Setting CH376T is asynchronous serial communication mode.Due to the circuit use+3.3V power supply, the V3 pin of CH376T is connect+ 3.3V.The TXD pin and RXD pin of CH376T connects 35 feet and 34 feet of single-chip microcontroller respectively, i.e. the USART1 of connection single-chip microcontroller connects Mouthful.The P4.1 of the INT pin connection single-chip microcontroller of CH376T, the interrupt signal of pio chip, RSTI pin meet the P4.0 of single-chip microcontroller, It can be controlled CH376T by single-chip microcontroller and be realized and resetted.

Single-chip microcontroller by serial ports 1 send instruction control CH376T the USB flash disk for inserting in USB socket is written and read, can will Acceleration information, calculating process data or the calculated result of acquisition are stored in USB flash disk with TXT text formatting or binary form. The data stored in USB flash disk can be directly read by computer to be analyzed.

The module electronic element is as shown in table 3:

3 data memory module electronic component list of table

The above, is only the preferred embodiment of the utility model, and anyone skilled in the art may benefit Equivalent technical solution is modified the utility model or is revised as with the technical solution of above-mentioned elaboration.Therefore, foundation Any simple modification or substitute equivalents that the technical solution of the utility model is carried out belong to the greatest extent the requires of the utility model protection Range.

Claims (5)

1. a kind of pumping unit displacement measurement experimental provision based on acceleration transducer, it is characterized in that: including battery, power supply mould Block, one-chip computer module, acceleration sensor module, data memory module, human-computer interaction module, battery and power module are to entire Device power supply；Acceleration sensor module installs the acceleration transducer of different model using acceleration transducer blanket socket； Data memory module is analyzed using USB flash disk storage sampled data, calculating process data and calculated result for data；Human-computer interaction Module shows calculated result, and can be used for selecting different computational algorithms；

The acceleration transducer blanket socket is set as Dual-In-Line type socket, totally ten pins, wherein power supply use+5V and+ Two kinds of voltages of 3.3V, power supply and ground account for three pins, remaining seven pin connects P6.0~P6.6 mouth of single-chip microcontroller.

2. a kind of pumping unit displacement measurement experimental provision based on acceleration transducer according to claim 1, feature Be: the power module is used to power to whole device, and battery uses 9V lithium battery, and power module has used ASM1117-5.0 With the power supply chip of two kinds of models of LP2985-3.3, ASM1117-5.0 is powered by 9V battery, it is possible to provide electric current is that+the 5V of 1A is straight Galvanic electricity；LP2985-3.3 is powered by+5V, it is possible to provide electric current is the 3.3V direct current of 150mA.

3. a kind of pumping unit displacement measurement experimental provision based on acceleration transducer according to claim 1, feature Be: the model MSP430F1611 for the single-chip microcontroller U1 that the one-chip computer module uses, single-chip microcontroller U1 connection 32.768kHz with The crystal oscillator of two kinds of frequencies of 8MHz, standby mode use low frequency crystal oscillator, and working condition uses high-frequency crystal oscillator.

4. a kind of pumping unit displacement measurement experimental provision based on acceleration transducer according to claim 1, feature Be: the circuit U 3 that the one-chip computer module uses is reset chip, model IMP811, the 1 foot connection of the reset chip GND, 2 feet connect 58 feet of single-chip microcontroller U1, i.e. RST foot, and 3 feet connect a key S1,4 foot connection+3.3V power supplys；When do not press by When key S1, the RST pin of single-chip microcontroller U1 inputs a high level, and single-chip microcontroller operates normally, when pressing S1, the RST of single-chip microcontroller U1 Pin inputs a low level, makes monolithic processor resetting, in addition, can also issue reset automatically when+3.3V supply voltage is down to 2.63V Signal.

5. a kind of pumping unit displacement measurement experimental provision based on acceleration transducer according to claim 1, feature Be: the data memory module is used to store acceleration information, calculating process data and calculated result, the module mainly by CH376T and USB socket form, and the U5 chip in circuit is CH376T, are a kind of file management control chips, are used for single-chip microcontroller File in system read-write USB flash disk or SD card.