CN208621177U - A kind of bottom drill tool vibration signal measuring system - Google Patents

Abstract

A kind of bottom drill tool vibration signal measuring system.It includes vibration measurement module, power management module, bidirectional communication unit and ground installation；Wherein, vibration measurement module is mounted in bottom drilling assembly, and vibration measurement module is connect by bidirectional communication unit with ground installation, and power management module is connect with vibration measurement module.Bottom drill tool vibration signal measuring system provided by the utility model has the following beneficial effects: the real-time monitoring and data recording realized in drilling process to bottom drill tool Vibration Condition, it can guarantee the accuracy of measuring system data record, stability under the mal-condition of underground, the fault diagnosis, optimum organization after well is gone out for bottom drilling assembly provide reliable data foundation.

Description

A kind of bottom drill tool vibration signal measuring system

Technical field

The utility model belongs to petroleum, gas drilling technical field, more particularly to a kind of bottom drill tool vibration signal Measuring system.

Background technique

With deepening continuously for petroleum exploration and development, earth formation becomes increasingly complex, deep-well, ultradeep well and high temperature, high pressure The Special complexes well such as well and high-inclination horizontal well is more and more, and the incidence of accident and complex situations is also higher and higher.It is boring During well, the measurement of the engineering parameters such as bit pressure, torque, temperature, vibration, revolving speed seems particularly significant.

In drilling process, the vibration of drill string and drill bit has large effect to drilling well efficiency, especially in deep-well hard place Layer in creep into, serious underground vibrating be likely to result in drill bit early damage, drill string occur fatigue rupture, can not normally creep into, Revolving speed is restricted.Using the actual measurement data of well dynamic parameter measurement system, it can analyze and grind Study carefully drillstring vibrations rule and feature, cause a variety of causes of vibration, explain some oscillation phenomenons, examines the effect of vibration control measure The practicability of fruit and reasonability, each vibration calculating model.

Foreign scholar is directed to the research of vibration measurement tool far earlier than China, and achieves plentiful and substantial technological achievement, alive It has been applied in each elephant in boundary, MVC (the Multi-axis Vibration researched and developed such as Schlumberger company Chassis) TVM (True-vibration monitor) measuring system, APS that measuring system, Weatherford company develop DVMCS (Drilling Vibration Monitoring&Control System) system etc. that company develops, the country is to well Lower survey quantifier elimination starts to be surveyed in the 1980s, once developing a set of ground drill string axial vibration signal in 1998 such as high rock Amount system is made of 1 axial acceleration sensor, auxiliary element and numerical value processing software, can be according to the axial direction of acquisition Vibration signal predicts drill bit state and lithology.2000, Cui Xuezheng etc. developed a set of drill string measurement while drilling connector, surveyed Amount parameter includes drill string moment of flexure, torque, axial force, three-dimensional acceleration, drill string inner and outer ring pressure and downhole temperature, and in Shengli Oil Field On-the-spot test is carried out.Liu Ruiwen etc. has developed the ground survey device of three shaft vibration signal of drill string, and in Shengli Oil Field and river Eastern oil gas field has carried out field test.The underground multi-parameter measuring systems that China University Of Petroleum Beijing professor Liu Gonghui develops can be surveyed simultaneously Measure the parameters such as bit pressure, torque, revolving speed, vibration, temperature.

Foreign underground drillstring vibrations measuring technique has reached its maturity, and has high measurement accuracy, stability and safety good Advantage, but it is expensive, and technology blockage is taken to the country, the country is grasped less than core technology.Domestic research first meeting Effect, but based on theoretical research, laboratory test.Although part research forms model machine tool, number of going into the well is few, practical On do not form reliable measuring tool, it is difficult to actual well drilled operation formed powerful support, need further to tackle key problems.

Summary of the invention

To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of bottom drill tool vibration measurement systems System.

In order to achieve the above object, bottom drill tool vibration signal measuring system provided by the utility model includes: vibration letter Number measurement module, power management module, bidirectional communication unit and ground installation；Wherein, vibration measurement module is mounted on bottom In portion's drill assembly, vibration measurement module is connect by bidirectional communication unit with ground installation, power management module and vibration Dynamic signal measurement module connection.

The vibration measurement module includes vibration measurement unit, central processing unit, vibration signal storage list Member and clock synchronization unit, wherein central processing unit respectively with vibration measurement unit, vibration signal storage unit and when The connection of clock synchronization unit, vibration measurement unit are connect with bottom drilling assembly, and central processing unit passes through two-way communication list Member is connect with ground installation.

The vibration measurement unit includes the first integrated circuit U1 and its peripheral circuit, wherein peripheral circuit includes First capacitor C1；The first integrated circuit U1 selects ADIS16228 vibration measurement chip, the first integrated circuit U1's SPI chip select pinSPI clock pins SCLK, SPI data-out pin DIN and SPI data output pins DOUT with it is described Central processing unit corresponding pin connection, the alarm indication signal pin DIO1 and DIO2 of the first integrated circuit U1 with it is described The connection of central processing unit corresponding pin, the four grounded pin GND of the first integrated circuit U1 is connect with ground wire, described Two power pins VDD of first integrated circuit U1 are all connected with the 3.3V D.C. regulated power supply of the power management module output The one end VDD3.3, first capacitor C1 connects the 3.3V D.C. regulated power supply VDD3.3 of the power management module output, the other end Ground connection, other pins of the first integrated circuit U1 are vacantly arranged.

The central processing unit includes the second integrated circuit U2 and its peripheral circuit, wherein peripheral circuit includes: first Resistance R1, second resistance R2, the second capacitor C6 of capacitor C2~the 6th and first crystal Y1；The second integrated circuit U2 is selected PIC18F25K80 singlechip chip, the one end first resistor R1 connect the 3.3V DC voltage-stabilizing electricity of the power management module output Source VDD3.3, the other end connect second resistance R2, and the second resistance R2 other end connects the programmable of the second integrated circuit U2 Control pinSecond one end capacitor C2 connects the tie point of first resistor R1 and second resistance R2, other end ground connection, institute The filtered external capacitance connection pin VCAP for stating the second integrated circuit U2 is grounded by third capacitor C3, second integrated circuit The reference ground pin VSS ground connection of U2, the crystal oscillator input pin OSC1 and crystal oscillator output pin OSC2 of the second integrated circuit U2 It is separately connected the first pin and second pin of the first crystal oscillator Y1, the 4th one end capacitor C4 connects the second integrated circuit U2's Crystal oscillator input pin OSCI, other end ground connection, the crystal oscillator output that the 5th one end capacitor C5 connects the second integrated circuit U2 are drawn Foot, other end ground connection, the digital I/O pin RC0 and RC1 of the second integrated circuit U2 is used as IIC interface, described in connection Clock synchronization unit corresponding pin, the SPI chip select pin of the second integrated circuit U2SPI clock pins SCLK, SPI number The SPI chip select pin of the first integrated circuit U1 is separately connected according to input pin SDI and SPI data output pins SDO SPI clock pins SCLK, SPI data output pins DOUT and SPI data-out pin DIN, the second integrated circuit U2's Serial ports pin RX1 and TX1 is connect with the bidirectional communication unit, the power pins VDD connection institute of the second integrated circuit U2 State the reference ground pin VSS of 3.3V the D.C. regulated power supply VDD3.3, the second integrated circuit U2 of power management module output Ground connection, the 6th one end capacitor C6 connect the 3.3V D.C. regulated power supply VDD3.3 of the power management module output, another termination Ground, the external interrupt pin INT1 and INT2 of the second integrated circuit U2 are separately connected in the vibration measurement unit The alarm indication signal pin DIO1 and DIO2 of one integrated circuit U1, I/O pin RA0~RA3 of the second integrated circuit U2, RC2, RB0, RB3, RB5~RB7 are vacantly arranged.

The vibration signal storage unit includes third integrated circuit U3 and its peripheral circuit, wherein peripheral circuit includes: 4th resistance R4 and the 7th capacitor C7；The third integrated circuit U3 selects W25Q64BV pin-saving chip, the third collection At the SPI chip select pin of circuit U 3SPI clock pins CLK, SPI data-out pin DI and SPI data output pins DO It is separately connected the SPI chip select pin of the second integrated circuit U2SPI clock pins SCK, SPI data output pins SDO and SPI data-out pin SDI, the holding pin of the third integrated circuit U3Connect the second integrated circuit U2's Digital I/O pin RB4, low level is effective, and the write-protect pin WP of the third integrated circuit U3 passes through the 4th resistance R4 connection The GND pin ground connection of 3.3V the D.C. regulated power supply VDD3.3, the third integrated circuit U3 of the power management module output, The power pins VCC of the third integrated circuit U3 connects the 3.3V D.C. regulated power supply of the power management module output VDD3.3, the 7th one end capacitor C7 connect the 3.3V D.C. regulated power supply VDD3.3 of the power management module output, the other end Ground connection.

The clock synchronization unit includes the 4th integrated circuit U4 and its peripheral circuit, wherein peripheral circuit includes: the 5th Resistance R5, the 6th resistance R6, the 8th capacitor C8, first diode D1, the second diode D2, the second crystal oscillator Y2 and 3.6V battery BT1；The 4th integrated circuit U4 selects PCA8565 clock chip, the crystal oscillator input pin of the 4th integrated circuit U4 OSCI and crystal oscillator output pin OSCO is separately connected the first pin and second pin of the second crystal oscillator Y2, the 4th integrated circuit VSS pin ground connection, the IIC data pin SDA of the 4th integrated circuit U4 passes through the 5th resistance R5 connection power supply pipe The IIC clock pins SCL for managing 3.3V the D.C. regulated power supply VDD3.3, the 4th integrated circuit U4 of module output passes through the 6th Resistance R6 connects the 3.3V D.C. regulated power supply VDD3.3 of the power management module output, meanwhile, the 5th resistance R5 and the 6th Resistance R6 is pull-up resistor, meanwhile, the SCL pin of the 4th integrated circuit U4 connects the RC0 of the second integrated circuit U2 Pin, the SDA pin of the 4th integrated circuit U4 connect the RC1 pin of the second integrated circuit U2, first diode D1 Anode connect the 3.3V D.C. regulated power supply VDD3.3 of power management module output, the integrated electricity of cathode connection the described 4th The anode of the anode connection 3.6V battery BT1 of the power pins VDD, the second diode D2 of road U4, cathode connection the 4th collection At the cathode ground connection of power pins VDD, the 3.6V battery BT1 of circuit U 4, the integrated electricity of the 8th one end capacitor C8 connection the described 4th The power pins VDD of road U4, other end ground connection, the 4th integrated circuit U4'sPin and CLKOUT pin floating are set It sets.

The bidirectional communication unit includes the 5th integrated circuit U5 and its peripheral circuit, wherein peripheral circuit includes: the 9th The capacitor C12 of capacitor C9~the 12nd；5th integrated circuit selects MAX232AESE serial ports conversion chip, and the described 5th is integrated The C1+ pin and C1- pin of circuit U 5 by the 9th capacitor C9 be connected with each other, the C2+ pin of the 5th integrated circuit U5 and C2- pin is connected with each other by the tenth capacitor C10, and T1IN pin, T1OUT pin, the R1IN of the 5th integrated circuit U5 draws Foot and R1OUT pin are first data transmission channel, wherein T1IN pin connects the second integrated electricity in the central processing unit The TX1 pin of road U2, TIOUT pin are connect with the ground installation, and R1IN pin connects second in the central processing unit The RX1 pin of integrated circuit U2, R2OUT pin are connect with the ground installation, the T2IN pin of the 5th integrated circuit U5, T2OUT pin, R2IN pin and R2OUT pin are the second data transmission channel, hanging to be arranged, the 5th integrated circuit U5's GND pin and V- pin ground connection, the power pins VCC connection+5V DC power supply VDD5 of the 5th integrated circuit U5, the 11st The V+ pin of capacitor C11 one end connection+5V DC power supply VDD5, other end ground connection, the 5th integrated circuit U5 pass through the tenth Two capacitor C12 connection+5V DC power supply VDD5.

Bottom drill tool vibration signal measuring system provided by the utility model, which has the following beneficial effects: to realize, to creep into To the real-time monitoring and data recording of bottom drill tool Vibration Condition in journey, it can guarantee the measuring system number under the mal-condition of underground According to the accuracy of record, stability, fault diagnosis, optimum organization after well is gone out for bottom drilling assembly provide reliable data Foundation.

Detailed description of the invention

Fig. 1 is bottom drill tool vibration signal measuring system structure chart provided by the utility model.

Fig. 2 is vibration measurement element circuit in bottom drill tool vibration signal measuring system provided by the utility model Figure.

Fig. 3 is CPU circuit diagram in bottom drill tool vibration signal measuring system provided by the utility model.

Fig. 4 is vibration data storage unit circuit in bottom drill tool vibration signal measuring system provided by the utility model Figure.

Fig. 5 is clock synchronization unit circuit diagram in bottom drill tool vibration signal measuring system provided by the utility model.

Fig. 6 is bidirectional communication unit circuit diagram in bottom drill tool vibration signal measuring system provided by the utility model.

Specific embodiment

In the following with reference to the drawings and specific embodiments to bottom drill tool vibration signal measuring system provided by the utility model into Row is described in detail.

As shown in Figure 1, bottom drill tool vibration signal measuring system provided by the utility model includes:

Vibration measurement module 200, power management module 300, bidirectional communication unit 400 and ground installation 500；Its In, vibration measurement module 200 is mounted in bottom drilling assembly 100, and vibration measurement module 200 passes through two-way communication Unit 400 is connect with ground installation 500, and power management module 300 is connect with vibration measurement module 200；It bores the bottom Tool combination 100 is the combination of the oil drilling tools such as drill bit, drilling rod, centralizer, oscillator, the vibration measurement module 200 The vibration signal generated in drilling process for measuring, storing the bottom drilling assembly 100, the power management module 300 for providing required stable DC electric energy for the vibration measurement module 200, and the bidirectional communication unit 400 is used Bidirectional data communication between the vibration measurement module 200 and the ground installation 500, it is main realize Transistor-Transistor Logic level with The conversion function of RS232 level, the ground installation 500 are that the vibration signals such as computer read equipment.

The vibration measurement module 200 includes vibration measurement unit 2001, central processing unit 2002, vibration Signal memory cell 2003 and clock synchronization unit 2004, wherein central processing unit 2002 respectively with vibration measurement list Member 2001, vibration signal storage unit 2003 and clock synchronization unit 2004 connect, vibration measurement unit 2001 and bottom Drill assembly 100 connects, and central processing unit 2002 is connect by bidirectional communication unit 400 with ground installation 500；The vibration Signal measurement unit 2001 for measuring the vibration signal of the bottom drilling assembly 100 in three orthogonal directions, it is described in Central Processing Unit 2002 receives the vibration measurement unit 2001 and exports for vibration signal sampling, storing frequencies to be arranged Measurement data, the vibration signal storage unit 2003 for the central processing unit 2002 output vibration data press frame Storage, clock of the clock synchronization unit 2004 between the vibration measurement module 200 and ground installation 500 are same Step, while the temporal information of data frame in the vibration signal storage unit 2003 being stored.

As shown in Fig. 2, the vibration measurement unit 2001 includes the first integrated circuit U1 and its peripheral circuit, In, peripheral circuit includes first capacitor C1；The first integrated circuit U1 selects the ADIS16228 vibration measurement core of AD company Piece, the SPI chip select pin of the first integrated circuit U1SPI clock pins SCLK, SPI data-out pin DIN and SPI Data output pins DOUT is connect with 2002 corresponding pin of central processing unit, and the alarm of the first integrated circuit U1 refers to Show that signal pins DIO1 and DIO2 is connect with 2002 corresponding pin of central processing unit, the four of the first integrated circuit U1 A grounding pin GND is connect with ground wire, and two power pins VDD of the first integrated circuit U1 are all connected with the power supply pipe The 3.3V D.C. regulated power supply VDD3.3 that module 300 exports is managed, it is defeated that the one end first capacitor C1 connects the power management module 300 3.3V D.C. regulated power supply VDD3.3 out, other end ground connection, other pins of the first integrated circuit U1 are vacantly arranged.

As shown in figure 3, the central processing unit 2002 includes the second integrated circuit U2 and its peripheral circuit, wherein outer Enclosing circuit includes: first resistor R1, second resistance R2, the second capacitor C6 of capacitor C2~the 6th and first crystal Y1；Described second Integrated circuit U2 selects the PIC18F25K80 singlechip chip of MICROCHIP company, and the one end first resistor R1 connects the power supply The 3.3V D.C. regulated power supply VDD3.3 that management module 300 exports, the other end connect second resistance R2, the second resistance R2 other end Connect the PLC technology pin of the second integrated circuit U2Second one end capacitor C2 connects first resistor R1 and the The tie point of two resistance R2, other end ground connection, the filtered external capacitance connection pin VCAP of the second integrated circuit U2 pass through Third capacitor C3 ground connection, the reference ground pin VSS ground connection of the second integrated circuit U2, the crystal oscillator of the second integrated circuit U2 Input pin OSC1 and crystal oscillator output pin OSC2 is separately connected the first pin and second pin of the first crystal oscillator Y1, the 4th capacitor The one end C4 connects the crystal oscillator input pin OSCI of the second integrated circuit U2, other end ground connection, the connection of the 5th one end capacitor C5 The crystal oscillator output pin of the second integrated circuit U2, other end ground connection, the digital I/O pin of the second integrated circuit U2 RC0 and RC1 is used as IIC interface, connects 2004 corresponding pin of clock synchronization unit, the second integrated circuit U2's SPI chip select pinSPI clock pins SCLK, SPI data-out pin SDI and SPI data output pins SDO is separately connected The SPI chip select pin of the first integrated circuit U1SPI clock pins SCLK, SPI data output pins DOUT and SPI number According to input pin DIN, the serial ports pin RX1 and TX1 of the second integrated circuit U2 is connect with the bidirectional communication unit 400, The power pins VDD of the second integrated circuit U2 connects the 3.3V D.C. regulated power supply that the power management module 300 exports The reference ground pin VSS ground connection of VDD3.3, the second integrated circuit U2, the 6th one end capacitor C6 connects the power management mould The 3.3V D.C. regulated power supply VDD3.3 that block 300 exports, other end ground connection, the external interrupt pin of the second integrated circuit U2 INT1 and INT2 is separately connected the alarm indication signal pin of the first integrated circuit U1 in the vibration measurement unit 2001 DIO1 and DIO2, I/O pin RA0~RA3, RC2, RB0, RB3, RB5~RB7 of the second integrated circuit U2 are vacantly set It sets.

As shown in figure 4, the vibration signal storage unit 2003 includes third integrated circuit U3 and its peripheral circuit, In, peripheral circuit includes: the 4th resistance R4 and the 7th capacitor C7；The third integrated circuit U3 selects winbond company W25Q64BV pin-saving chip, the SPI chip select pin of the third integrated circuit U3SPI clock pins CLK, SPI number The SPI chip select pin of the second integrated circuit U2 is separately connected according to input pin DI and SPI data output pins DOSPI Clock pins SCK, SPI data output pins SDO and SPI data-out pin SDI, the holding of the third integrated circuit U3 are drawn FootThe digital I/O pin RB4 of the second integrated circuit U2 is connected, low level is effective, the third integrated circuit U3 Write-protect pin WP the 3.3V D.C. regulated power supply that the power management module 300 exports is connected by the 4th resistance R4 The GND pin of VDD3.3, the third integrated circuit U3 are grounded, the power pins VCC connection institute of the third integrated circuit U3 The 3.3V D.C. regulated power supply VDD3.3 of the output of power management module 300 is stated, the 7th one end capacitor C7 connects the power management The 3.3V D.C. regulated power supply VDD3.3 that module 300 exports, other end ground connection.

As shown in figure 5, the clock synchronization unit 2004 includes the 4th integrated circuit U4 and its peripheral circuit, wherein outer Enclosing circuit includes: the 5th resistance R5, the 6th resistance R6, the 8th capacitor C8, first diode D1, the second diode D2, the second crystalline substance Shake Y2 and 3.6V battery BT1；When the 4th integrated circuit U4 selects the PCA8565 of Philips Semiconductors company Clock chip, the crystal oscillator input pin OSCI and crystal oscillator output pin OSCO of the 4th integrated circuit U4 are separately connected the second crystal oscillator The first pin and second pin of Y2, the VSS pin ground connection of the 4th integrated circuit, the IIC of the 4th integrated circuit U4 Data pin SDA connects the 3.3V D.C. regulated power supply VDD3.3 that the power management module 300 exports by the 5th resistance R5, The IIC clock pins SCL of the 4th integrated circuit U4 connects what the power management module 300 exported by the 6th resistance R6 3.3V D.C. regulated power supply VDD3.3, meanwhile, the 5th resistance R5 and the 6th resistance R6 are pull-up resistor, meanwhile, the 4th collection The RC0 pin of the second integrated circuit U2, the SDA pin of the 4th integrated circuit U4 are connected at the SCL pin of circuit U 4 The RC1 pin of the second integrated circuit U2 is connected, the anode of first diode D1 connects the power management module 300 and exports 3.3V D.C. regulated power supply VDD3.3, cathode connects the power pins VDD of the 4th integrated circuit U4, the second diode D2 Anode connection 3.6V battery BT1 anode, cathode connects the power pins VDD of the 4th integrated circuit U4,3.6V battery The cathode of BT1 is grounded, and the 8th one end capacitor C8 connects the power pins VDD of the 4th integrated circuit U4, other end ground connection, institute State the 4th integrated circuit U4'sPin and the setting of CLKOUT pin floating.

As shown in fig. 6, conversion function of the bidirectional communication unit 400 for realizing Transistor-Transistor Logic level and RS232 level, packet Include the 5th integrated circuit U5 and its peripheral circuit, wherein peripheral circuit includes: the 9th capacitor C12 of capacitor C9~the 12nd；It is described 5th integrated circuit selects the MAX232AESE serial ports conversion chip of MAXIM company, the C1+ pin of the 5th integrated circuit U5 It is connected with each other with C1- pin by the 9th capacitor C9, the C2+ pin and C2- pin of the 5th integrated circuit U5 passes through the tenth Capacitor C10 is connected with each other, and T1IN pin, T1OUT pin, R1IN pin and the R1OUT pin of the 5th integrated circuit U5 is First data transmission channel, wherein the TX1 that T1IN pin connects the second integrated circuit U2 in the central processing unit 2002 draws Foot, TIOUT pin are connect with the ground installation 500, and second is integrated in the R1IN pin connection central processing unit 2002 The RX1 pin of circuit U 2, R2OUT pin are connect with the ground installation 500, the T2IN pin of the 5th integrated circuit U5, T2OUT pin, R2IN pin and R2OUT pin are the second data transmission channel, hanging to be arranged, the 5th integrated circuit U5's GND pin and V- pin ground connection, the power pins VCC connection+5V DC power supply VDD5 of the 5th integrated circuit U5, the 11st The V+ pin of capacitor C11 one end connection+5V DC power supply VDD5, other end ground connection, the 5th integrated circuit U5 pass through the tenth Two capacitor C12 connection+5V DC power supply VDD5.

In this example, before construction, vibration measurement module is arranged by bidirectional communication unit 400 by ground installation 500 200 sampling, storing frequencies, power management module 300 are that vibration measurement module 200 provides D.C. regulated power supply, are constructed In, bottom drill tool vibration signal measuring system in 100 lower going-into-well of bottom drilling assembly, believe by real-time measurement underground vibrating Breath, after construction, bottom drill tool vibration signal measuring system goes out well with drill assembly, and ground installation 500 passes through two-way communication Unit 400 reads the data being stored in vibration signal storage unit 2003, carries out the analysis in later period, explains.

The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims (7)

1. a kind of bottom drill tool vibration signal measuring system, it is characterised in that: the bottom drill tool vibration signal measuring system It include: vibration measurement module (200), power management module (300), bidirectional communication unit (400) and ground installation (500)；Wherein, vibration measurement module (200) is mounted on bottom drilling assembly (100), vibration measurement module (200) it is connect by bidirectional communication unit (400) with ground installation (500), power management module (300) and vibration measurement Module (200) connection.

2. bottom drill tool vibration signal measuring system according to claim 1, it is characterised in that: the vibration measurement Module (200) includes vibration measurement unit (2001), central processing unit (2002), vibration signal storage unit (2003) With clock synchronization unit (2004), wherein central processing unit (2002) respectively with vibration measurement unit (2001), vibration Signal memory cell (2003) and clock synchronization unit (2004) connection, vibration measurement unit (2001) and bottom drill tool group (100) connection is closed, central processing unit (2002) is connect by bidirectional communication unit (400) with ground installation (500).

3. bottom drill tool vibration signal measuring system according to claim 2, it is characterised in that: the vibration measurement Unit (2001) includes the first integrated circuit U1 and its peripheral circuit, wherein peripheral circuit includes first capacitor C1；Described first Integrated circuit U1 selects ADIS16228 vibration measurement chip, the SPI chip select pin of the first integrated circuit U1When SPI Clock pin SCLK, SPI data-out pin DIN and SPI data output pins DOUT and the central processing unit (2002) are right Pin is answered to connect, the alarm indication signal pin DIO1 and DIO2 of the first integrated circuit U1 and the central processing unit (2002) corresponding pin connects, and the four grounded pin GND of the first integrated circuit U1 is connect with ground wire, first collection The 3.3V D.C. regulated power supply of the power management module (300) output is all connected at two power pins VDD of circuit U 1 VDD3.3, the one end first capacitor C1 connect the 3.3V D.C. regulated power supply VDD3.3 of power management module (300) output, separately One end ground connection, other pins of the first integrated circuit U1 are vacantly arranged.

4. bottom drill tool vibration signal measuring system according to claim 3, it is characterised in that: the central processing unit (2002) include the second integrated circuit U2 and its peripheral circuit, wherein peripheral circuit include: first resistor R1, second resistance R2, The second capacitor C6 of capacitor C2~the 6th and first crystal Y1；The second integrated circuit U2 selects PIC18F25K80 monolithic machine core Piece, the one end first resistor R1 connect the 3.3V D.C. regulated power supply VDD3.3 of power management module (300) output, the other end Second resistance R2 is connected, the second resistance R2 other end connects the PLC technology pin of the second integrated circuit U2 Second one end capacitor C2 connects the tie point of first resistor R1 and second resistance R2, other end ground connection, second integrated circuit The filtered external capacitance connection pin VCAP of U2 is grounded by third capacitor C3, the reference ground pin of the second integrated circuit U2 VSS ground connection, the crystal oscillator input pin OSC1 and crystal oscillator output pin OSC2 of the second integrated circuit U2 are separately connected the first crystalline substance The first pin and second pin of vibration Y1, the 4th one end capacitor C4 connects the crystal oscillator input pin of the second integrated circuit U2 OSCI, other end ground connection, the 5th one end capacitor C5 connects the crystal oscillator output pin of the second integrated circuit U2, another termination The digital I/O pin RC0 and RC1 on ground, the second integrated circuit U2 is used as IIC interface, is connected the clock and is synchronized list First (2004) corresponding pin, the SPI chip select pin of the second integrated circuit U2SPI clock pins SCLK, SPI data are defeated Enter the SPI chip select pin that pin SDI and SPI data output pins SDO is separately connected the first integrated circuit U1When SPI Clock pin SCLK, SPI data output pins DOUT and SPI data-out pin DIN, the serial ports of the second integrated circuit U2 draw Foot RX1 and TX1 is connect with the bidirectional communication unit (400), described in the power pins VDD connection of the second integrated circuit U2 The 3.3V D.C. regulated power supply VDD3.3 of power management module (300) output, the 6th one end capacitor C6 connect the power management The 3.3V D.C. regulated power supply VDD3.3 of module (300) output, other end ground connection, the external interrupt of the second integrated circuit U2 Pin INT1 and INT2 are separately connected the police instruction letter of the first integrated circuit U1 in the vibration measurement unit (2001) Number pin DIO1 and DIO2, I/O pin RA0~RA3, RC2, RB0, RB3, RB5~RB7 of the second integrated circuit U2 are outstanding Sky setting.

5. bottom drill tool vibration signal measuring system according to claim 4, it is characterised in that: the vibration signal storage Unit (2003) includes third integrated circuit U3 and its peripheral circuit, wherein peripheral circuit includes: the electricity of the 4th resistance R4 and the 7th Hold C7；The third integrated circuit U3 selects W25Q64BV pin-saving chip, the SPI piece choosing of the third integrated circuit U3 PinSPI clock pins CLK, SPI data-out pin DI and SPI data output pins DO is separately connected second collection At the SPI chip select pin of circuit U 2SPI clock pins SCK, SPI data output pins SDO and SPI data-out pin SDI, the holding pin of the third integrated circuit U3The digital I/O pin RB4 of the second integrated circuit U2 is connected, Low level is effective, and the write-protect pin WP of the third integrated circuit U3 passes through the 4th resistance R4 connection power management module (300) the GND pin ground connection of 3.3V the D.C. regulated power supply VDD3.3, the third integrated circuit U3 exported, the third collection At the 3.3V D.C. regulated power supply VDD3.3 that the power pins VCC connection power management module (300) of circuit U 3 exports, the Seven one end capacitor C7 connect the 3.3V D.C. regulated power supply VDD3.3 of power management module (300) output, other end ground connection.

6. bottom drill tool vibration signal measuring system according to claim 4, it is characterised in that: the clock synchronization unit (2004) include the 4th integrated circuit U4 and its peripheral circuit, wherein peripheral circuit include: the 5th resistance R5, the 6th resistance R6, 8th capacitor C8, first diode D1, the second diode D2, the second crystal oscillator Y2 and 3.6V battery BT1；4th integrated circuit U4 selects PCA8565 clock chip, the crystal oscillator input pin OSCI and crystal oscillator output pin OSCO of the 4th integrated circuit U4 It is separately connected the first pin and second pin of the second crystal oscillator Y2, the VSS pin of the 4th integrated circuit is grounded, and the described 4th The IIC data pin SDA of integrated circuit U4 is straight by the 3.3V that the 5th resistance R5 connection power management module (300) exports Regulated power supply VDD3.3 is flowed, the IIC clock pins SCL of the 4th integrated circuit U4 passes through the 6th resistance R6 connection power supply The 3.3V D.C. regulated power supply VDD3.3 of management module (300) output, meanwhile, the 5th resistance R5 and the 6th resistance R6 are pull-up electricity Resistance, meanwhile, the SCL pin of the 4th integrated circuit U4 connects the RC0 pin of the second integrated circuit U2, the 4th collection The RC1 pin of the second integrated circuit U2 is connected at the SDA pin of circuit U 4, the anode of first diode D1 connects the electricity The 3.3V D.C. regulated power supply VDD3.3 of source control module (300) output, cathode connect the power supply of the 4th integrated circuit U4 The anode of the anode connection 3.6V battery BT1 of pin VDD, the second diode D2, cathode connect the 4th integrated circuit U4's The cathode of power pins VDD, 3.6V battery BT1 is grounded, and the 8th one end capacitor C8 connects the power supply of the 4th integrated circuit U4 Pin VDD, other end ground connection, the 4th integrated circuit U4'sPin and the setting of CLKOUT pin floating.

7. bottom drill tool vibration signal measuring system according to claim 1, it is characterised in that: the bidirectional communication unit It (400) include the 5th integrated circuit U5 and its peripheral circuit, wherein peripheral circuit includes: the 9th capacitor of capacitor C9~the 12nd C12；5th integrated circuit selects MAX232AESE serial ports conversion chip, the C1+ pin of the 5th integrated circuit U5 and C1- pin is connected with each other by the 9th capacitor C9, and the C2+ pin and C2- pin of the 5th integrated circuit U5 passes through the tenth electricity Hold C10 to be connected with each other, T1IN pin, T1OUT pin, R1IN pin and the R1OUT pin of the 5th integrated circuit U5 are the One data transmission channel, wherein the TX1 that T1IN pin connects the second integrated circuit U2 in the central processing unit (2002) draws Foot, TIOUT pin are connect with the ground installation (500), and R1IN pin connects second in the central processing unit (2002) The RX1 pin of integrated circuit U2, R2OUT pin are connect with the ground installation (500), the T2IN of the 5th integrated circuit U5 Pin, T2OUT pin, R2IN pin and R2OUT pin are the second data transmission channel, hanging to be arranged, the described 5th integrated electricity The GND pin and V- pin of road U5 is grounded, the power pins VCC connection+5V DC power supply VDD5 of the 5th integrated circuit U5, The V+ pin of 11st capacitor C11 one end connection+5V DC power supply VDD5, other end ground connection, the 5th integrated circuit U5 are logical Cross the 12nd capacitor C12 connection+5V DC power supply VDD5.