CN110107408A - Pavement forming machine engine and oscillator monitor controller - Google Patents
Pavement forming machine engine and oscillator monitor controller Download PDFInfo
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- CN110107408A CN110107408A CN201910389288.9A CN201910389288A CN110107408A CN 110107408 A CN110107408 A CN 110107408A CN 201910389288 A CN201910389288 A CN 201910389288A CN 110107408 A CN110107408 A CN 110107408A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 25
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
- E01C19/38—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight with means specifically for generating vibrations, e.g. vibrating plate compactors, immersion vibrators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of pavement forming machine engine and oscillator monitor controllers, including one-chip computer module, serial port module is bi-directionally connected with the one-chip computer module, is bi-directionally connected by serial port module and oscillator monitoring modular, the related oscillator information for the acquisition of pick-up dipole monitoring modular；The engine rotational speed signal of the input terminal input control unit of engine ECU output of signal amplification module, the output end of the signal amplification module is connect with the signal input part of A/D conversion module, the signal output end of the A/D conversion module is connect with the signal input part of the one-chip computer module, and the engine rotational speed signal is sent into the one-chip computer module after amplification, A/D conversion and is handled；Key module is connect with the signal input part of the one-chip computer module, is used for input control order.Described device, which can be realized, is monitored the engine and oscillator of the pavement forming machine, and the working condition of the engine and oscillator is controlled according to the result of monitoring.
Description
Technical field
The present invention relates to pavement forming machine monitoring technical fields more particularly to a kind of pavement forming machine engine and oscillator to supervise
Survey control device.
Background technique
Currently, with the fast development of Chinese economy, increasing, the cement-concrete road of building dynamics of high-grade highway
Attention of the face increasingly by road construction unit, and the construction paver of cement concrete pavement has two on the market at present
Kind, one is track type cement concrete paver, track type cement concrete paver needs to set up track template, work of constructing
Skill is complex, needs more manpower, and construction organization difficulty increases, and whole paving operation working efficiency is not high, for short time limit,
The more difficult adaptation of the fast engineering project of progress.The more extensive paver of another kind application is large-sized concrete slip form paver, this
The sliding formwork of kind paver can make road side face straight forming, not need other manually installed template, and construction the degree of automation has
It is improved, still, paver itself is unable to automatic distributing, influences speed of application, price is also all relatively high, for ordinary highway
For builder or vast rural area highway construction person, which has been more than the purchasing power of unit in charge of construction.And the drip that is used to pave
The asphalt-spreader of the mixing pellet such as blueness, cement stabilized macadam carries roomy screed, can press the object to scatter through auger
Material, and screed itself also has the function of Automatic Levelling, and asphalt-spreader can also automatic distributing, can be uninterrupted
Continuous work, working efficiency greatly improves than cement concrete spreader.Because pavement forming machine is main in the process of work
It is that engine and oscillator are using, it is therefore desirable to real-time monitoring be carried out to its operating status, and control institute according to the data of monitoring
State engine and oscillator work.
Summary of the invention
The technical problem to be solved by the present invention is to how provide a kind of can be realized to start the pavement forming machine
Machine and oscillator are monitored, and control according to the result of monitoring the device of the working condition of the engine and oscillator.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of pavement forming machine engine and vibration
Sub- monitor controller, it is characterised in that: including one-chip computer module, serial port module is bi-directionally connected with the one-chip computer module, is led to
It crosses serial port module to be bi-directionally connected with oscillator monitoring modular, the related oscillator information for the acquisition of pick-up dipole monitoring modular；Signal
The engine rotational speed signal of the input terminal input control unit of engine ECU output of amplification module, the signal amplification module
Output end is connect with the signal input part of A/D conversion module, the signal output end of the A/D conversion module and the single-chip microcontroller mould
The signal input part of block connects, and the engine rotational speed signal is sent into the one-chip computer module after amplification, A/D conversion and is carried out
Processing；Key module is connect with the signal input part of the one-chip computer module, is used for input control order；Power module with it is described
The power input for the module for needing to power in control device connects, for providing working power for it.
A further technical solution lies in: the one-chip computer module includes PIC16F877 type single-chip microcontroller IC1, the IC1's
2 feet connect+5V power supply through resistance R1, and 3 feet of the IC1 are connect with one end of crystal oscillator Y1, and 4 feet of the IC1 are another with crystal oscillator Y1's
One end connection.
A further technical solution lies in: the signal amplification module includes that 2 foot connection terminal T1 and OP07 type operations are put
2 feet of big device chip IC 6, one end ground connection of the T1, one end ground connection of resistance R7, the other end of resistance R7 and the IC6 connect
It connects, the other end of the T1 is divided into three tunnels, and the first via is grounded through capacitor C11, and the second tunnel is grounded through capacitor C20, third Lu Yu electricity
Hinder one end connection of R9；The other end of the resistance R9 is divided into four tunnels, and the first via is grounded through resistance R10, the second tunnel and diode
The anode connection of D6, the cathode ground connection of diode D6, third road are connect with the cathode of diode D7, and the anode of diode D7 connects
Ground, the 4th tunnel are connect with 3 feet of the IC6, and 4 feet of the IC6 are divided into three tunnels, and the first via is grounded through capacitor C12, the second tunnel
It is connect with -5V power supply, third road is grounded through capacitor C14；2 feet of the IC6 are connect through resistance R8 with 6 feet of the IC6, described
6 feet of IC6 are the signal output end of the amplification module, and capacitor C13 is in parallel with the resistance R8；7 feet of the IC6 are divided into three
Road, the first via are grounded through capacitor C15, and the second tunnel is grounded through capacitor C16, and third road is connect with+5V power supply.
A further technical solution lies in: the A/D conversion module uses ICL7135 type A/D conversion chip IC3, described
1 foot elder sister's -5V power supply of IC3,2 feet of the IC3 are benchmark voltage REF input terminal, and 3 feet of the IC3 are grounded, the 4 of the IC3
It is divided into two-way after foot meridian capacitor C6, the first via connects 5 feet of the IC3 through capacitor C7, and the second tunnel connects the 6 of the IC3 through resistance R3
7 foot meridian capacitor C8 of foot, the IC3 are connect with 8 feet of the IC3, and 11 feet of the IC3 connect+5V power supply, and the 10 of the IC3
Foot is connect with the output end of the signal amplification module.
A further technical solution lies in: the power module includes+12V power module ,+9V power module ,+5V power supply
Module and power supply the reversal block ,+12V power module include that LM7812 type power supply chip IC21 ,+24V power supply is divided into three
Road, the first via are connect with 1 foot of the IC21, and the second tunnel is connect with the cathode of IN4007 type diode, the IN4007 type two
The anode of pole pipe is connect with 3 feet of the IC21, and third road is grounded through capacitor C17；2 feet of the IC21 are grounded, the IC21
3 feet be divided into three tunnels, the first via is+12V power output end, and the second tunnel is grounded through capacitor C18, and third road is grounded through capacitor C19；
+ 9V the power module includes that LM7809 type power supply chip IC8 ,+24V power supply is divided into three tunnels, and the first via is with the IC8's
The connection of 1 foot, the second tunnel are connect with the cathode of IN4007 type diode, the anode of the IN4007 type diode and the 3 of the IC8
Foot connection, third road is grounded through capacitor C25；2 feet of the IC8 are grounded, and 3 feet of the IC8 are divided into three tunnels, and the first via is+9V
Power output end, the second tunnel are grounded through capacitor C26, and third road is grounded through capacitor C27；
+ 5V the power module includes that LM7805 type power supply chip IC22 ,+12V power supply is divided into two-way, the first via and the IC22
1 foot connection, the second tunnel is grounded through capacitor C22；2 feet of the IC22 are grounded, and 3 feet of the IC22 are divided into three tunnels, the first via
For+5V power output end, the second tunnel is grounded through capacitor C23, and third road is grounded through capacitor C24；
The power supply reversal block includes 1 foot and the 3 feet ground connection of ICL7660 type power supply flip-chip IC4, the IC4, described
The 2 foot meridian capacitor C9 of IC4 are connect with 4 feet of the IC4, and 5 feet of the IC4 are divided into three tunnels, and the first via is the -5V of the IC4
Power output end, the second tunnel are grounded through capacitor C10, and third road is grounded through capacitor C33；8 feet of the IC4 connect+5V power supply.
It include MAX485 type serial port chip IC20 a further technical solution lies in: the serial port module, the 1 of the IC20
Foot is that signal receives pin, and 4 feet of the IC20 are that signal sends pin；One signal output end of the one-chip computer module with
One end of resistance R24 connects, and the other end of the resistance R24 is divided into two-way, and the first via is connect with one end of resistance R25, and second
Road is connect with the base stage of 8550 type triodes, and the other end of the resistance R25 is divided into two-way, the first via and 8550 type triodes
Emitter connection, the second tunnel is connect with+5V power supply；The collector of 8550 type triodes is divided into two-way, the first via and the IC20
2 feet and 3 feet connection, the second tunnel is grounded through resistance R31；5 feet of the IC20 are grounded, and 6 feet of the IC20 are divided into three tunnels,
The first via is the 485A terminals of the serial port module, and the second tunnel connects+5V power supply, third road and the one of resistance R29 through resistance R30
End connection；7 feet of the IC20 are divided into three tunnels, and the first via is the 485B terminals of the serial port module, and the second tunnel is through resistance R28
Ground connection, third road is connect with the other end of resistance R29.
A further technical solution lies in: the oscillator monitoring modular includes microprocessor module, is inlayed on each oscillator
Have a magnet, and the corresponding Hall sensor module of each magnet, the signal output end of the Hall sensor module with
The signal input part of signal processing module connects, and the output end of the signal processing module is through switch module and the microprocessor
The signal input part of module connects, and key module is connect with the signal input part of the microprocessor module, is used for input control
Order, the switch module are controlled by the microprocessor module, for gating under the control of the microprocessor module, make
The signal of the Hall sensor acquisition is transferred to the microprocessor module；Serial communication modular and the microprocessor module
It is bi-directionally connected, for being attached the data of transmission acquisition with host computer；It needs to power in power supply module and the transmission module
Module power input connection, for providing working power for it.
A further technical solution lies in: the oscillator monitoring modular further includes alarm module, the alarm module and institute
The signal output end connection for stating microprocessor module, for issuing alarm signal under the control of the microprocessor module；Institute
It states 1 foot that microprocessor module includes PIC16F877 type single-chip microcontroller IC1, the IC1 and meets+5V power supply, the IC1 through resistance R1
13 feet be divided into two-way, the first via is connect with one end of crystal oscillator Y1, and the second tunnel is connect with one end of capacitor C1, the 14 of the IC1
Foot is divided into two-way, and the first via is connect with the other end of crystal oscillator Y1, and the second tunnel is connect with one end of capacitor C2, the capacitor C1-C2
The other end ground connection.
A further technical solution lies in: the Hall sensor module includes that Hall sensor chip IC1 and Hall pass
The 1 foot component two-way of sensor chip IC 2, the IC1 and IC2, the first via connect+5V power supply, the second tunnel respectively with resistance R2 one
The 2 feet ground connection of end and the connection of one end of resistance R3, the IC1 and IC2,3 feet of the IC1 and the resistance R2's is another
End is connect with one end of resistance R4, and the other end of 3 feet of the IC2 and the resistance R3 are connect with one end of resistance R5, institute
The other end of the other end and resistance R5 of stating resistance R4 forms the signal output end of the Hall sensor module after connecting.
A further technical solution lies in: the corresponding signal processing module of each Hall sensor module, the letter
Number processing module includes triode Q13, the emitter ground connection of the Q13, and the base stage of the Q13 is connect with one end of resistance R14,
The signal output end of another termination Hall sensor module of the resistance R14, the collector of the Q13 are divided into two-way,
The first via connects+5V power supply through resistance R46, and the second tunnel is connect with the switch module；If the switch module includes dry plate
CD4051 type switch chip；The power supply module is powered using two-stage, first order power supply module use LM7815 cake core, first
Grade power supply module uses LM7805 cake core.
The beneficial effects of adopting the technical scheme are that described device powers on start-up operation, work side first
Formula is divided into automatic control mode and manual control mode；Under manual control mode, the revolving speed of real-time display engine, while with
Slave computer communicates, and the information that slave computer is transmitted is shown, the oscillator number including oscillator revolving speed and failure.When artificial
When pressing closure clutch button, it is closed clutch.With the size for manually adjusting engine throttle, real-time display diesel engine and oscillator
Revolving speed.Under automatic control mode, real-time display engine speed and communicated with slave computer, the information that slave computer is transmitted
It is shown, the oscillator number including oscillator revolving speed and failure.Under automatic control mode, it will not be voluntarily closed clutch,
Needing manually to press the button of closure clutch, described device only in the case where engine idling, could be closed clutch, other
In the case of will not be closed clutch, i.e., the order of artificial closure clutch is not reacted.After being closed clutch, by delay, confirmation
Clutch closure is normal, automatically begins to raising speed, until reaching preset oscillator rated speed, starts to carry out work of normally vibrating
Make.When needing to shut down, stop botton is pressed, described device will reduce throttle automatically, and the revolving speed of engine is reduced to idling
Area disconnects clutch after delay confirmation automatically, then waits artificial closing engine.To sum up, described device can be realized pair
The engine and oscillator of the pavement forming machine are monitored, and the work of the engine and oscillator is controlled according to the result of monitoring
Make state.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the functional block diagram of device described in the embodiment of the present invention；
Fig. 2 is the circuit diagram of one-chip computer module in described device of the embodiment of the present invention；
Fig. 3 is the circuit diagram of signal amplification module in described device of the embodiment of the present invention；
Fig. 4 is the circuit diagram of A/D conversion module in described device of the embodiment of the present invention；
Fig. 5 is the circuit diagram of+12V power module in described device of the embodiment of the present invention；
Fig. 6 is the circuit diagram of+9V power module in described device of the embodiment of the present invention；
Fig. 7 is the circuit diagram of+5V power module in described device of the embodiment of the present invention；
Fig. 8 is the circuit diagram of power supply reversal block in described device of the embodiment of the present invention；
Fig. 9 is the circuit diagram of serial port module in described device of the embodiment of the present invention；
Figure 10 is the functional block diagram of oscillator monitoring modular described in the embodiment of the present invention；
Figure 11 is the circuit diagram of microprocessor module in oscillator monitoring modular described in the embodiment of the present invention；
Figure 12 is the circuit diagram of Hall sensor module in oscillator monitoring modular described in the embodiment of the present invention；
Figure 13 is the circuit diagram of signal processing module in oscillator monitoring modular described in the embodiment of the present invention；
Figure 14 is the circuit diagram of switch module in oscillator monitoring modular described in the embodiment of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
As shown in Figure 1, the embodiment of the invention discloses a kind of pavement forming machine engine and oscillator monitor controller, packet
One-chip computer module is included, serial port module is bi-directionally connected with the one-chip computer module, two-way by serial port module and oscillator monitoring modular
Connection, the related oscillator information for the acquisition of pick-up dipole monitoring modular；The input terminal of signal amplification module inputs engine control
The engine rotational speed signal of unit ECU output processed, the output end of the signal amplification module and the signal of A/D conversion module input
End connection, the signal output end of the A/D conversion module are connect with the signal input part of the one-chip computer module, the engine
Tach signal is sent into the one-chip computer module after amplification, A/D conversion and is handled；Key module and the one-chip computer module
Signal input part connection, be used for input control order；The electricity for the module for needing to power in power module and the control device
Source input terminal connection, for providing working power for it.
Described device powers on start-up operation first, and working method is divided into automatic control mode and manual control mode；In hand
Under dynamic control mode, the revolving speed of real-time display engine, while being communicated with slave computer, the information that slave computer is transmitted is shown
Show, the oscillator number including oscillator revolving speed and failure.When manually pressing closure clutch button, it is closed clutch.With artificial
Adjust the size of engine throttle, the revolving speed of real-time display diesel engine and oscillator.Under automatic control mode, real-time display is started
It machine revolving speed and is communicated with slave computer, the information that slave computer is transmitted is shown, including oscillator revolving speed and is broken down
Oscillator number.Under automatic control mode, it will not be voluntarily closed clutch, need manually to press the button of closure clutch, the dress
It sets only in the case where engine idling, clutch could be closed, clutch will not be closed in the case of other, i.e., to artificial closure
The order of clutch is not reacted.After being closed clutch, by delay, confirmation clutch closure is normal, raising speed is automatically begun to, until reaching
Preset oscillator rated speed starts to carry out work of normally vibrating.When needing to shut down, stop botton is pressed, it is described
Device will reduce throttle automatically, and the revolving speed of engine is reduced to idle speed zone, after delay confirmation, disconnect clutch automatically, and
Artificial closing engine is waited afterwards.
First have to preset the password of booting work, mentality of designing is, user start can trial operation for a period of time, I
Set user can with trial operation several times, when user's number of run reach setting number when, then open software operation, software will
User is prompted to input password, if after capable of correctly entering password, later user's booting need not input password again can be just normally opened
Machine work.Password mentality of designing: after each user's booting, single-chip microcontroller will remember the booting number of user, and list is written in number
The E of piece machine2In ROM, the booting number is then read, is compared with preset number, it, will be in number if unequal
Shown in pipe " ----", prompt user to input password, startup password is preset into single-chip microcontroller.If this two numbers phase
Together, then single-chip microcontroller enters normal operating conditions, and booting need not input password again from now on.The operation of input password is when display
" ----" after, K2 key is pressed, then starts to show numerical value, that is, the password inputted.Under this interface, K1 key next time is often pressed, then
Numerical value adds 1, if it is desired to whether password comparison is accurate, then presses K2 key, and such as correct, then single-chip microcontroller starts to work normally, if not just
Really, then unchanged, it can not work normally.If after correctly entering password, then be switched on, input password, mentality of designing are not reresented
Be if input password it is correct after, mark position 1, expression used password open single-chip microcontroller, as long as again be switched on
The flag bit is detected, this section of program for requiring Password Input is skipped if flag bit set, controller begins to work normally.
Described device is able to carry out the setting in relation to engine and oscillator revolving speed.It is in this way in relation to the movement being arranged and definition
: the project for being able to carry out setting first includes:
1, engine low-idle revolving speed rev/min
2, engine high idle speed revolving speed rev/min
3, the low rated speed rev/min of engine
4, rated engine speed rev/min
5, the high rated speed rev/min of engine
6, racing of the engine revolving speed rev/min
7, the low rated speed rev/min of oscillator
8, oscillator rated speed rev/min
9, the high rated speed rev/min of oscillator
10, oscillator hypervelocity revolving speed rev/min
The process of setting is as follows:
System electrification while pressing lower button 3, then system enters setting unit, and at this moment numeral method is
1 XXXX.1 indicates that first item, the low rated speed of XXXX engine is shown.At this moment lower button 2 is pressed, a number is often pressed
Code pipe successively shows 2 XXXX, 3 XXXX etc..Section 2, Section 3 etc. are respectively indicated, until Section 10, if continuing to press
Button then has and successively shows since first item.Under this interface, if pressing lower button 1, revolving speed shows to take to be increased each
50, for the 1st to the 6th, maximum setting value is no more than 3000；Setting value maximum for the 7th to the 10th is no more than 13000.
Restart after same arrival maximum value from zero.If motionless by lower button 1, data add up upwards automatically, until user recognizes
To reach setting value and until release button.After user's release button, this group of data will be automatically credited the designating unit of single-chip microcontroller
Saved, the data will not power down lose, until user resets after new value.
The input of tach signal includes two, and first is engine rotational speed signal, and it is single which is derived from engine control
First ECU is the d. c. voltage signal of the 0-5v of a standard, and the signal is by inputing to described device after amplification, A/D conversion
SCM system is handled；Another tach signal is the element signal of oscillator, further include certainly clutch driving wheel and by
The revolving speed of driving wheel and the oscillator number to break down.This group of data communication is by between upper computer and lower computer single-chip microcontroller
Serial ports RC7/RX and RC6/TX realize, signal transmission form is serial communication, baud rate 9600bps, 8 data bit, 1
Start bit, 1 stop position, no parity.Signal transmission is carried out using interrupt mode, i.e., slave computer every time passes packaged data
After defeated, host computer reads this group of data using interrupt mode.The time interval of one group of data of every transmission of slave computer is with element number
Amount number without identical, typical time is between 0.5s ~ 1.0s.And taking principle for data such as oscillators for host computer is
Using new data when having new data, using last data when no new data transmits.
As shown in Fig. 2, the one-chip computer module includes 2 feet of PIC16F877 type single-chip microcontroller IC1, the IC1 through resistance R1
+ 5V power supply is connect, 3 feet of the IC1 are connect with one end of crystal oscillator Y1, and 4 feet of the IC1 are connect with the other end of crystal oscillator Y1.
The single-chip microcontroller is the product of Wei Xin company, the U.S., and there are the said firm's product line following features 1. to use Kazakhstan not bus
Structure, using the bus structures be exactly in the chip portion data/address bus and instruction bus separated, and use different width, this
Sample can be realized the continuous productive process that instruction is extracted, that is, while executing an instruction, carry out fetching operation to next instruction,
It is easy to implement the single byte of all instructions, monocycle, thus 2. being conducive to the speed that raising CPU is executed instruction instructs individual character
3. reduced instruction set computer (RISC) technology, PIC single chip microcomputer only have 35 instructions to sectionization, and most instruct refers to for the monocycle
It enables, is conducive to improve execution speed in this way.And the instruction of MCS-51 single-chip microcontroller has 111.4. addressing system is simple.5. code pressure
6. the speed of service is high for shrinkage height, breathe out not bus structures due to using, and instruction reads and executees using continuous productive process
Mode, so that the speed of service greatly improves.7. the 8. driving capability low in energy consumption 8. succinct 9. external circuits letter of addressing space design by force
It is single etc..
It is the single-chip microcontroller for having the function of that 40 pins are more powerful for PIC16F877 single-chip microcontroller, now by the single-chip microcontroller
Function make a presentation:
| Pin name | Pin number | Pin type | Function declaration |
| OSC1 | 13 | I | Clock vibrator input terminal and crystal oscillator connecting pin |
| OSC2 | 14 | O | Clock vibrator input terminal and crystal oscillator connecting pin |
| MCLR | 1 | I/P | Manual reset input terminal (low level is effective) |
| RA0~RA5 | 2~7 | I/O | RA is the programmable two-way 5 line end mouth an of input/output |
| RB0~RB7 | 33~40 | I/O | RB is the programmable two-way 8 line end mouth an of input/output, when inputting inside have programmable weak pull-up circuit |
| RC0~RC7 | 15 ~ 1,23 ~ 26 | I/O | RC is the programmable two-way 8 line end mouth an of input/output |
| RD0~RD7 | 19 ~ 2,27 ~ 30 | I/O | RD is the programmable two-way 8 line end mouth an of input/output |
| RE0~RE2 | 8~10 | I/O | RE is the programmable two-way 3 line end mouth an of input/output |
| VSS | 12,31 | P | Ground terminal |
| VDD | 11,32 | P | Positive power source terminal |
In addition the peripheral module of PIC16F877A single-chip microcontroller further include:
1. timer TMR0 module is the programmable timer of 8 bit wides, counter use also can be used as.
2. timer TMR0 module is the programmable timer of 16 bit wides, counter use also can be used as.And
Can with capture/compared with/pulsewidth modulation CCP module cooperation realize non-inverting output function.
3. EEPROM data memory module: being the memory of the electrically-erasable of 256*8, the content power down of storage will not
It loses.
4. A/D converter module exists: the analog-digital converter with 8 input channels and 10 bit resolutions, being used to will be external
Various analog quantitys be converted to convenient for the digital quantity of single-chip microcontroller inter-process.
5. capture/compare/pulsewidth modulation CCP1 and CCP2 module, with TMR1 and TMR2 cooperation may be implemented input capture,
Output is compared and non-inverting output function.
6. universal synchronous/asynchronism transceiver USART module: for realizing TW two wire serial communication, two kinds can be defined as
Work, i.e., full duplex asynchronous mode and the half-duplex method of synchronization.
7. main synchronous serial port MSSP module: having SPI and I2Two kinds of working methods of C, be used to with SPI and I2C string
The external device of row port or other single-chip microcontrollers are communicated.
8. parallel driven port PSP module, single-chip microcontroller, the Digital Signal Processing that can be used to that there is open bus with other
The connection of the parallel data bus line of device or microprocessor carries out the data transmission and exchange of high speed.
(4) control signal output circuit adds ULN2003 chip to add relay 943-1c-12DS's using optocoupler TL521-1
Scheme.Influence of the electromagnetic interference to single-chip microcontroller that the generations such as external motor can be effectively removed using the program, guarantees single-chip microcontroller
Normal table work.Wherein the control signal of single-chip microcontroller can be coupled to the input terminal of ULN2003, signal warp by optocoupler TL521-1
Photoelectric coupling is crossed, the electric signal transmission of the superior and the subordinate is disconnected from the circuit, realizes the effect for blocking electromagnetic interference.ULN2003 core
Piece is high-voltage great-current darlington transistor array series of products, have current gain is high, operating voltage is high, temperature range is wide,
The strong feature of carrying load ability is accordingly used in control direct current generator and compares suitable for all kinds of systems for requiring high-speed high-power to drive
Properly.It is proper using the actuation and disconnection of the signal of the actuation and disconnection control DC motor driver of relay.
As shown in figure 3, the signal amplification module includes 2 foot connection terminal T1 and OP07 type operational amplifier chip IC6,
One end of the T1 is grounded, and one end ground connection of resistance R7, the other end of resistance R7 is connect with 2 feet of the IC6, and the T1's is another
One end is divided into three tunnels, and the first via is grounded through capacitor C11, and the second tunnel is grounded through capacitor C20, and one end of third road and resistance R9 connect
It connects；The other end of the resistance R9 is divided into four tunnels, and the first via is grounded through resistance R10, and the second tunnel is connect with the anode of diode D6,
The cathode of diode D6 is grounded, and third road is connect with the cathode of diode D7, the plus earth of diode D7, the 4th tunnel with it is described
3 feet of IC6 connect, and 4 feet of the IC6 are divided into three tunnels, and the first via is grounded through capacitor C12, and the second tunnel is connect with -5V power supply, the
Three tunnels are grounded through capacitor C14；2 feet of the IC6 are connect through resistance R8 with 6 feet of the IC6, and 6 feet of the IC6 are described put
The signal output end of big module, capacitor C13 are in parallel with the resistance R8；7 feet of the IC6 are divided into three tunnels, and the first via is through capacitor
C15 ground connection, the second tunnel are grounded through capacitor C16, and third road is connect with+5V power supply.
OP07 chip is a kind of low noise, and the bipolar operational amplifier integrated circuit of non-chopper-zero-stabilized has very low
Input offset voltage (maximum offset voltage be 25 μ v), while also having that input bias current is low and open-loop gain height (300v/
Mv) the characteristics of, especially suitable for the measuring device of high-gain and the small-signal of amplification sensor.Amplifying circuit uses conversion
Circuit is first sampled input signal, that is, takes the 1/52 of the voltage signal to be used as input signal, then the signal is passed through
OP07 amplifying circuit carries out 20 times of amplification, can be connected with AD conversion chip by such converted signals and be AD converted
Become digital signal.
As shown in figure 4, the A/D conversion module uses the 1 foot elder sister-of ICL7135 type A/D conversion chip IC3, the IC3
5V power supply, 2 feet of the IC3 are benchmark voltage REF input terminal, and 3 feet of the IC3 are grounded, the 4 foot meridian capacitor C6 of the IC3
After be divided into two-way, the first via connects 5 feet of the IC3 through capacitor C7, and the second tunnel meets 6 feet of the IC3, the IC3 through resistance R3
7 foot meridian capacitor C8 connect with 8 feet of the IC3,11 feet of the IC3 connect+5V power supply, 10 feet and the letter of the IC3
The output end connection of number amplification module.
ICL7135 is a kind of dual integration conversion chip, and integration type conversion regime has very strong inhibition to electromagnetic interference
Effect, it can convert ± 20000 digital quantities of output.It is high (being equivalent to 14 AD conversion) with conversion accuracy, it is low-cost
Advantage.Its conversion speed is 8 times/S.It therefore is especially high requiring conversion speed not, but conversion accuracy requires height, and to have
The occasion of very strong anti-interference ability has other conversion regime irreplaceable roles.The conversion of ICL7135 conversion chip is former
Reason: the change-over period has: self calibration (zeroing), forward direction integral (tested analog voltage integral), reverse integral (reference voltage product
Point) and zero passage detection four-stage, wherein the self calibration time is 10001 pulses, and the positive time of integration is 10000 pulses,
Reverse integral until zero (maximum is no more than 20001 pulses) until voltage.Our design is used to be opened from forward direction integral
Begin to count pulse number, stops counting when to reverse integral being zero.Subtract 10000 from the pulse number number of counting to get to right
The analog quantity answered.In the data transfer control circuit of ICL7135 conversion chip and single-chip microcontroller, we use ICL7135 with
Lower pin is connected with the respective pins of single-chip microcontroller: 1. 21 pins (BUSY): biproduct stage by stage, BUSY is high level, remaining
When be low level, therefore can use BUSY function, realize the transmission of AD conversion result and single-chip microcontroller.And BUSY pin and monolithic
The RB0 pin of machine is connected, and RB0 pin has the function of external interrupt, can accurately be calculated using the break feature of single-chip microcontroller
The pulse number of ICL7135 conversion chip, 2. pin 25(R/H), as R/H=" 1 " when, ICL7135 is in the continuous conversion stage,
Every 40002 clock cycle complete an AD conversion.Enter if R/H becomes 0, ICL7135 after completing this AD conversion from 1
Hold mode, at this time output are last time transformation result, are not influenced by input voltage variation.The phase of the pin and single-chip microcontroller
Pin is answered to be connected, single-chip microcontroller just can control the beginning converted each time using the pin.3. 27 pins (OVER) cross symbal of range
Signal output, can be used for the control signal of auto-shifted measurement.
Further, the power module includes+12V power module ,+9V power module ,+5V power module and power supply
Reversal block, power supply are depressured measure using three-level, and the first order uses three-terminal voltage-stabilizing power supply 7812, and the second level is using three-terminal voltage-stabilizing electricity
Source 7809, the third level use three-terminal voltage-stabilizing power supply 7805.The heat generated in this way will greatly reduce.Second prepares power supply
Part is independent, and the heat that such power supply generates would not influence amplifying circuit.Amplifying circuit will be more stable.Such as Fig. 5
Shown ,+12V the power module includes that LM7812 type power supply chip IC21 ,+24V power supply is divided into three tunnels, the first via with it is described
1 foot of IC21 connects, and the second tunnel is connect with the cathode of IN4007 type diode, the IN4007 type diode it is positive with it is described
3 feet of IC21 connect, and third road is grounded through capacitor C17；2 feet of the IC21 are grounded, and 3 feet of the IC21 are divided into three tunnels, the
It is all the way+12V power output end, the second tunnel is grounded through capacitor C18, and third road is grounded through capacitor C19；
As shown in fig. 6 ,+9V the power module includes that LM7809 type power supply chip IC8 ,+24V power supply is divided into three tunnels, the first via
It is connect with 1 foot of the IC8, the second tunnel is connect with the cathode of IN4007 type diode, the anode of the IN4007 type diode
It is connect with 3 feet of the IC8, third road is grounded through capacitor C25；2 feet of the IC8 are grounded, and 3 feet of the IC8 are divided into three tunnels,
The first via is+9V power output end, and the second tunnel is grounded through capacitor C26, and third road is grounded through capacitor C27；
As shown in fig. 7 ,+5V the power module includes that LM7805 type power supply chip IC22 ,+12V power supply is divided into two-way, the first via
It is connect with 1 foot of the IC22, the second tunnel is grounded through capacitor C22；2 feet of the IC22 are grounded, and 3 feet of the IC22 are divided into three
Road, the first via are+5V power output end, and the second tunnel is grounded through capacitor C23, and third road is grounded through capacitor C24.
As shown in figure 8, the power supply reversal block include ICL7660 type power supply flip-chip IC4, the IC4 1 foot and
3 feet ground connection, the 2 foot meridian capacitor C9 of the IC4 are connect with 4 feet of the IC4, and 5 feet of the IC4 are divided into three tunnels, and the first via is
- 5V the power output end of the IC4, the second tunnel are grounded through capacitor C10, and third road is grounded through capacitor C33；8 feet of the IC4 connect
+ 5V power supply.
As shown in figure 9,1 foot that the serial port module includes MAX485 type serial port chip IC20, the IC20 connects for signal
Spasm foot, 4 feet of the IC20 are that signal sends pin；One signal output end of the one-chip computer module is with resistance R24's
One end connection, the other end of the resistance R24 are divided into two-way, and the first via is connect with one end of resistance R25, the second tunnel and 8550 types
The base stage of triode connects, and the other end of the resistance R25 is divided into two-way, the emitter company of the first via and 8550 type triodes
It connects, the second tunnel is connect with+5V power supply；The collector of 8550 type triodes is divided into two-way, 2 feet of the first via and the IC20 and
The connection of 3 feet, the second tunnel is grounded through resistance R31；5 feet of the IC20 are grounded, and 6 feet of the IC20 are divided into three tunnels, and the first via is
The 485A terminals of the serial port module, the second tunnel connect+5V power supply through resistance R30, and third road is connect with one end of resistance R29；
7 feet of the IC20 are divided into three tunnels, and the first via is the 485B terminals of the serial port module, and the second tunnel is grounded through resistance R28, the
Three tunnels are connect with the other end of resistance R29.
As shown in Figure 10, the oscillator monitoring modular includes microprocessor module, and a magnet is inlaid on each oscillator,
And the corresponding Hall sensor module of each magnet, the signal output end and signal processing module of the Hall sensor module
Signal input part connection, the output end of the signal processing module is defeated through the signal of switch module and the microprocessor module
Enter end connection, key module is connect with the signal input part of the microprocessor module, is used for input control order, the switch
Module is controlled by the microprocessor module, for gating under the control of the microprocessor module, makes the hall sensing
The signal of device acquisition is transferred to the microprocessor module；Serial communication modular is bi-directionally connected with the microprocessor module, is used
In the data for being attached transmission acquisition with host computer；The power supply for the module for needing to power in power supply module and the transmission module
Input terminal connection, for providing working power for it.The transmission module further includes alarm module, the alarm module with it is described
The signal output end of microprocessor module connects, for issuing alarm signal under the control of the microprocessor module.
For the oscillator monitoring modular using Hall effect specific to Hall sensor, it, can be defeated when close to magnetic pole
Low level out, and high level is exported when leaving magnetic pole.Magnet is mounted to oscillator side, Hall sensor close to oscillator, when
When oscillator rotates, due to the close of Hall sensor and magnet and to leave, Hall sensor each week issues set of pulses signal,
After the signal is received by single-chip microcontroller, single-chip microcontroller will calculate the revolving speed of oscillator accordingly.
After the oscillator monitoring modular powers on start-up operation, the channel of oscillator, 32 road signals can be connected by scanning 32 tunnels first
It is divided into 4 groups, every group has 8 road signals, this 8 road signal passes through chip CD4051(switch module) it controls.Amount to 4
The output of CD4051, every CD4051 are connected with a specific pin of single-chip microcontroller.CD4051 is equivalent to a hilted broadsword eight and throws out
It closes, by controlling related foot position thereon, realization at a time only connects a certain pin, that is, connects certain signal all the way.In this way
32 all road signals can individually be received by single-chip microcontroller.And the periodically pulsing signal of Hall sensor outflow, single-chip microcontroller
By receiving the signal, it will be able to calculate the time required to oscillator often rotates a circle, this makes it possible to the revolving speeds for calculating oscillator.
And by for the first time scan 32 road signal when, when oscillator does not rotate, be accurately judged to the quantity with oscillator.At this moment can only sentence
Revolving speed that is disconnected and calculating oscillator is 0, and the revolving speed of clutch driving wheel can be calculated and be transmitted when not closed clutch, and follower turns
Speed is 0, if has oscillator failure that can not judge, can only transmit the signal for not occurring oscillator failure.Once clutch is closed, vibration
Son rotation, it will be able to quantity of the institute with oscillator is judged, because there is oscillator to connect and connect Shi Gailu signal without oscillator and be
It is complete different, thus may determine that the quantity with oscillator.About the judgement of failure oscillator, failure oscillator is exactly at other
When oscillator normal rotation, which is not rotated, and decides that the oscillator is faulty in this way, by the letter for the oscillator that will be broken down
Breath is transferred to host computer, and host computer is by the number number for showing the oscillator and alarms, and staff is waited to handle.
As shown in figure 11, the microprocessor module includes 1 foot of PIC16F877 type single-chip microcontroller IC1, the IC1 through electricity
Resistance R1 connects+5V power supply, and 13 feet of the IC1 are divided into two-way, and the first via is connect with one end of crystal oscillator Y1, and the second tunnel is with capacitor C1's
One end connection, 14 feet of the IC1 are divided into two-way, and the first via is connect with the other end of crystal oscillator Y1, the second tunnel and the one of capacitor C2
End connection, the other end ground connection of the capacitor C1-C2.
As shown in figure 12, the Hall sensor module includes Hall sensor chip IC1 and Hall sensor chip
The 1 foot component two-way of IC2, the IC1 and IC2, the first via connect+5V power supply, the second tunnel respectively with one end of resistance R2 and electricity
Hinder one end connection of R3, the 2 feet ground connection of the IC1 and IC2, the other end and resistance of 3 feet of the IC1 and the resistance R2
One end of R4 connects, and the other end of 3 feet of the IC2 and the resistance R3 are connect with one end of resistance R5, the resistance R4
The other end and resistance R5 other end connection after form the signal output end of the Hall sensor module.
As shown in figure 13, the corresponding signal processing module of each Hall sensor module, the signal processing module
Including triode Q13, the emitter of the Q13 is grounded, and the base stage of the Q13 is connect with one end of resistance R14, the resistance
The signal output end of another termination Hall sensor module of R14, the collector of the Q13 are divided into two-way, first via warp
Resistance R46 connects+5V power supply, and the second tunnel is connect with the switch module.
The sensor for measuring oscillator tach signal uses Hall switch sensor.Hall switch sensor is by pressure stabilizing
Device, Hall element, difference amplifier, Schmidt trigger and output stage composition, it exports digital quantity.Locating for Hall sensor
When magnetic induction intensity is more than operating point Bnp, transducers output low-level, when magnetic induction intensity is reduced to operating point Bnp or less,
Sensor output level remains unchanged, and when down to point of release BRP, sensor is just high level by low level transition.Bnp
Lag between BRP keeps the switch motion of Hall sensor more reliable.The height electricity transmitted by Hall switch sensor
Ordinary mail number accesses the base stage B of the triode in circuit board, and collector C is exported, degree of thereby realizing Hall sensor signal
The conversion of low and high level.I.e. when Hall sensor not with strong magnet close to when, export high level, but by triode collector
Output becomes low level；The low level input of same Hall sensor becomes high level by the collector output of triode.
As shown in figure 14, if the switch module includes dry plate CD4051 type switch chip.Come because maximum can receive
From the data of 32 road signals, so having selected the chip of 4 CD4051, which is that single 8 channel number words control simulation electronic is opened
It closes, there are three binary system end A B C and INH input controls, have low conduction impedance and very low cut-off leakage current.Amplitude
The digital signal of 4.5 ~ 20v can control peak value to the analog signal of 20V.As INH=0, control operation can be carried out.When INH=1
When, all channel cut-offs.Herein by 8 paths (1 245 12 13 14 15 feet of CD4051) as 8 road signals
Input channel, by 3 feet as signal output channels.Because of 32 road signal of maximum Ke You, by the defeated of every 8 road signal connection CD4051
Enter in channel, and A, B, C foot of 4 CD4051 is in parallel respectively, access RC0, RC1 and RC2 foot of single-chip microcontroller.By 4
The INH foot of CD4051 is respectively defined as INH1, INH2, INH3 and INH4, is respectively connected to RD0, RD1, RD2, RD3 of single-chip microcontroller
Foot.7 feet of the single-chip microcontroller by control above so just can control switching on and off for any signal all the way of 32 road signals.
To realize the pickup of 32 road signals.
The power supply module is powered using two-stage, and first order power supply module uses LM7815 cake core, first order power supply mould
Block uses LM7805 cake core.
Slave computer is transmitted with exchanging for the data-signal of host computer using serial ports.RC6 the and RC7 foot of PIC single chip microcomputer
Have the function of that serial ports transmits data.Signal transmission form is serial communication, baud rate 9600bps, 8 data bit, 1 starting
Position, 1 stop position, no parity.Signal transmission is carried out using interrupt mode, i.e., slave computer every time transmits packaged data
Afterwards, host computer reads this group of data using interrupt mode.The time interval of one group of data of every transmission of slave computer is with oscillator quantity
Number without identical, typical time is between 0.5s ~ 1.0s.And taking principle for data such as oscillators for host computer is to have
New data is used when new data, using last data when no new data transmits.
Claims (10)
1. a kind of pavement forming machine engine and oscillator monitor controller, it is characterised in that: including one-chip computer module, serial ports mould
Block is bi-directionally connected with the one-chip computer module, is bi-directionally connected by serial port module and oscillator monitoring modular, is supervised for pick-up dipole
Survey the related oscillator information of module acquisition；The input terminal input control unit of engine ECU output of signal amplification module is started
The output end of machine tach signal, the signal amplification module is connect with the signal input part of A/D conversion module, the A/D conversion
The signal output end of module is connect with the signal input part of the one-chip computer module, the engine rotational speed signal process amplification,
The one-chip computer module is sent into after A/D conversion to be handled；Key module is connect with the signal input part of the one-chip computer module,
For input control order；The power input for the module for needing to power in power module and the control device is connect, and is used for
Working power is provided for it.
2. pavement forming machine engine as described in claim 1 and oscillator monitor controller, it is characterised in that: the monolithic
Machine module includes that 2 feet of PIC16F877 type single-chip microcontroller IC1, the IC1 connect+5V power supply, 3 feet and crystalline substance of the IC1 through resistance R1
One end connection of vibration Y1,4 feet of the IC1 are connect with the other end of crystal oscillator Y1.
3. pavement forming machine engine as described in claim 1 and oscillator monitor controller, it is characterised in that: the signal
Amplification module includes that one end of 2 foot connection terminal T1 and OP07 type operational amplifier chip IC6, the T1 is grounded, resistance R7's
One end ground connection, the other end of resistance R7 are connect with 2 feet of the IC6, and the other end of the T1 is divided into three tunnels, and the first via is through capacitor
C11 ground connection, the second tunnel are grounded through capacitor C20, and third road is connect with one end of resistance R9；The other end of the resistance R9 is divided into four
Road, the first via are grounded through resistance R10, and the anode of the second tunnel and diode D6 connects, the cathode ground connection of diode D6, third road and
The cathode of diode D7 connects, and the plus earth of diode D7, the 4th tunnel is connect with 3 feet of the IC6,4 feet point of the IC6
For three tunnels, the first via is grounded through capacitor C12, and the second tunnel is connect with -5V power supply, and third road is grounded through capacitor C14；The 2 of the IC6
Foot is connect through resistance R8 with 6 feet of the IC6, and 6 feet of the IC6 are the signal output end of the amplification module, capacitor C13 with
The resistance R8 is in parallel；7 feet of the IC6 are divided into three tunnels, and the first via is grounded through capacitor C15, and the second tunnel is grounded through capacitor C16,
Third road is connect with+5V power supply.
4. pavement forming machine engine as described in claim 1 and oscillator monitor controller, it is characterised in that: the A/D
Conversion module uses 1 foot elder sister's -5V power supply of ICL7135 type A/D conversion chip IC3, the IC3, on the basis of 2 feet of the IC3
3 feet of voltage REF input terminal, the IC3 are grounded, and are divided into two-way after the 4 foot meridian capacitor C6 of the IC3, the first via is through capacitor C7
Connecing 5 feet of the IC3, the second tunnel connects 6 feet of the IC3 through resistance R3, and the 8 of the 7 foot meridian capacitor C8 and the IC3 of the IC3
Foot connection, 11 feet of the IC3 connect+5V power supply, and 10 feet of the IC3 are connect with the output end of the signal amplification module.
5. pavement forming machine engine as described in claim 1 and oscillator monitor controller, it is characterised in that: the power supply
Module includes+12V power module ,+9V power module ,+5V power module and power supply the reversal block ,+12V power module
Be divided into three tunnels including LM7812 type power supply chip IC21 ,+24V power supply, the first via is connect with 1 foot of the IC21, the second tunnel with
The cathode of IN4007 type diode connects, and the anode of the IN4007 type diode is connect with 3 feet of the IC21, third road warp
Capacitor C17 ground connection；2 feet of the IC21 are grounded, and 3 feet of the IC21 are divided into three tunnels, and the first via is+12V power output end, the
Two tunnels are grounded through capacitor C18, and third road is grounded through capacitor C19；
+ 9V the power module includes that LM7809 type power supply chip IC8 ,+24V power supply is divided into three tunnels, and the first via is with the IC8's
The connection of 1 foot, the second tunnel are connect with the cathode of IN4007 type diode, the anode of the IN4007 type diode and the 3 of the IC8
Foot connection, third road is grounded through capacitor C25；2 feet of the IC8 are grounded, and 3 feet of the IC8 are divided into three tunnels, and the first via is+9V
Power output end, the second tunnel are grounded through capacitor C26, and third road is grounded through capacitor C27；
+ 5V the power module includes that LM7805 type power supply chip IC22 ,+12V power supply is divided into two-way, the first via and the IC22
1 foot connection, the second tunnel is grounded through capacitor C22；2 feet of the IC22 are grounded, and 3 feet of the IC22 are divided into three tunnels, the first via
For+5V power output end, the second tunnel is grounded through capacitor C23, and third road is grounded through capacitor C24；
The power supply reversal block includes 1 foot and the 3 feet ground connection of ICL7660 type power supply flip-chip IC4, the IC4, described
The 2 foot meridian capacitor C9 of IC4 are connect with 4 feet of the IC4, and 5 feet of the IC4 are divided into three tunnels, and the first via is the -5V of the IC4
Power output end, the second tunnel are grounded through capacitor C10, and third road is grounded through capacitor C33；8 feet of the IC4 connect+5V power supply.
6. pavement forming machine engine as described in claim 1 and oscillator monitor controller, it is characterised in that: the serial ports
Module includes that 1 foot of MAX485 type serial port chip IC20, the IC20 are that signal receives pin, and 4 feet of the IC20 are signal
Send pin；One signal output end of the one-chip computer module is connect with one end of resistance R24, and the resistance R24's is another
End is divided into two-way, and the first via is connect with one end of resistance R25, and the second tunnel is connect with the base stage of 8550 type triodes, the resistance
The other end of R25 is divided into two-way, and the first via is connect with the emitter of 8550 type triodes, and the second tunnel is connect with+5V power supply；8550
The collector of type triode is divided into two-way, and the first via is connect with 2 feet of the IC20 and 3 feet, and the second tunnel connects through resistance R31
Ground；5 feet of the IC20 are grounded, and 6 feet of the IC20 are divided into three tunnels, and the first via is the 485A terminals of the serial port module,
Second tunnel connects+5V power supply through resistance R30, and third road is connect with one end of resistance R29；7 feet of the IC20 are divided into three tunnels, and first
Road is the 485B terminals of the serial port module, and the second tunnel is grounded through resistance R28, and third road is connect with the other end of resistance R29.
7. pavement forming machine engine as described in claim 1 and oscillator monitor controller, it is characterised in that: the oscillator
Monitoring modular includes microprocessor module, and a magnet, and the corresponding hall sensing of each magnet are inlaid on each oscillator
Device module, the signal output end of the Hall sensor module and the signal input part of signal processing module connect, the signal
The output end of processing module is connect through switch module with the signal input part of the microprocessor module, key module with it is described micro-
The signal input part of processor module connects, and is used for input control order, and the switch module is controlled by the microprocessor mould
Block is transferred to the signal of the Hall sensor acquisition described micro- for gating under the control of the microprocessor module
Processor module；Serial communication modular is bi-directionally connected with the microprocessor module, is adopted for being attached transmission with host computer
The data of collection；The power input for the module for needing to power in power supply module and the transmission module is connect, for providing for it
Working power.
8. pavement forming machine engine as claimed in claim 7 and oscillator monitor controller, it is characterised in that: the oscillator
Monitoring modular further includes alarm module, and the alarm module is connect with the signal output end of the microprocessor module, is used for
Alarm signal is issued under the control of the microprocessor module；The microprocessor module includes PIC16F877 type single-chip microcontroller
1 foot of IC1, the IC1 connect+5V power supply through resistance R1, and 13 feet of the IC1 are divided into two-way, one end of the first via and crystal oscillator Y1
Connection, the second tunnel are connect with one end of capacitor C1, and 14 feet of the IC1 are divided into two-way, the other end company of the first via and crystal oscillator Y1
It connects, the second tunnel is connect with one end of capacitor C2, the other end ground connection of the capacitor C1-C2.
9. pavement forming machine engine as claimed in claim 7 and oscillator monitor controller, it is characterised in that: the Hall
Sensor module includes the 1 foot component two-way of Hall sensor chip IC1 and Hall sensor chip IC2, the IC1 and IC2,
The first via connects+5V power supply, and the second tunnel is connect with one end of one end of resistance R2 and resistance R3 respectively, and the 2 of the IC1 and IC2
Foot ground connection, the other end of 3 feet of the IC1 and the resistance R2 are connect with one end of resistance R4,3 feet of the IC2 and
The other end of the resistance R3 is connect with one end of resistance R5, the other end connection of the other end and resistance R5 of the resistance R4
The signal output end of the Hall sensor module is formed afterwards.
10. pavement forming machine engine as claimed in claim 7 and oscillator monitor controller, it is characterised in that: each
Hall sensor module corresponds to a signal processing module, and the signal processing module includes triode Q13, the hair of the Q13
The base stage of emitter grounding, the Q13 is connect with one end of resistance R14, another termination Hall sensor of the resistance R14
The signal output end of module, the collector of the Q13 are divided into two-way, and the first via meets+5V power supply, the second tunnel and institute through resistance R46
State switch module connection；If the switch module includes dry plate CD4051 type switch chip；The power supply module is supplied using two-stage
Electricity, first order power supply module use LM7815 cake core, and first order power supply module uses LM7805 cake core.
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