CN102213955A - General building machine control system - Google Patents
General building machine control system Download PDFInfo
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- CN102213955A CN102213955A CN 201010137656 CN201010137656A CN102213955A CN 102213955 A CN102213955 A CN 102213955A CN 201010137656 CN201010137656 CN 201010137656 CN 201010137656 A CN201010137656 A CN 201010137656A CN 102213955 A CN102213955 A CN 102213955A
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Abstract
The invention discloses a general building machine control system which comprises a digital controller, a digital sensor, a building machine electromagnetic valve and a master station, wherein the digital controller and the digital sensor are in communication connection through a CAN (Controller Area Network) bus technique; the digital sensor detects road surface information and transmits the road surface information to the digital controller through a CAN bus; and the digital controller judges the type of the digital sensor according to the type of the received data, carries out computation processing according to the calibrated parameters, outputs load control signals to control the action of the building machine electromagnetic valve and sends real-time working condition information to the master station. After the general building machine control system disclosed by the invention is powered on, the digital controller can instantly identify the type of the sensor; the accurate sensor technique of the digital sensor can be used for accurately detecting the conditions of a road surface, thus a building machine can be accurately constructed and the funds and the time are saved; the CAN bus technique is safe and reliable, thereby enhancing the performance of the complete machine and the construction quality; the control system disclosed by the invention has a remote monitoring function, thereby realizing the three-dimensional control; the abrasion of mechanical pieces does not occur; and the service life is high.
Description
Technical field
The present invention relates to universal construction machine control system.
Background technology
In building operation, in order to obtain surface evenness and satisfactory construction quality, construction machine has all been installed Automatic Levelling and control system.The principle of work of Automatic Levelling is to provide a desirable datum line (face) in advance artificially, by sensor the difference of measured value and setting value input microelectronic circuit is analyzed amplification, convert electric signal to, be transformed into mechanical action via electric liquid element then, make construction machine by datum line given in advance (face) operation, reach the purpose of ground grading.Automatic leveling device is installed on machine, the construction operation precision is improved significantly, the work cycle number of times reduces, and reduces expense for using mechanical equipment usefulness, improves construction quality and economic benefit, alleviates driver's labour intensity simultaneously greatly.
Summary of the invention
The object of the present invention is to provide universal construction machine control system, this control system is simple to operate, it is reliable to use, be a kind of be widely used in concrete paver, asphalt paver, milling machine, dozer, excavator, motorized grader flexibly, control system efficiently.
The technical scheme that realizes the object of the invention is: universal construction machine control system, comprise digitial controller, digital sensor, construction machine solenoid valve and master station, and digitial controller and digital sensor are realized communicating to connect by the CAN bussing technique; Described digital sensor detects information of road surface, and pass through the CAN bus transfer and give digitial controller, digitial controller is judged digital type of sensor and is made computing according to the parameter of demarcating according to the data type that receives, the action of output load control signal control construction machine solenoid valve, and to the real-time work information of master station's transmission.
This control system can insert GPS, adopts the wide region supply voltage of 10～30V, and is provided with overcurrent, overvoltage crowbar.
Described digitial controller adopts the DSP microprocessor technology, comprises chip, button, pilot lamp, display screen and parameter power down preservation device; Described chip comprises TMS320LF2407A chip, 74ALVC164245 chip, 74HC377 chip and 74HC244 chip, the TMS320LF2407A chip is a control chip, digitial controller carries out the CAN bus data by the CAN module of TMS320LF2407A built-in chip type and receives and send, exterior I/O mouth that 74ALVC164245 chip and 74HC377 chip are used for circuit system is expanded, and the 74HC244 chip is used to read the value of button; Described button has four, is used to access menu item and parameter setting; Described pilot lamp adopts four groups of high-brightness LED pilot lamp; Described display screen adopts the section-type LCD LCDs; Described parameter power down is preserved device and is adopted the AT24 series memory.
This control system is provided with PNP and two kinds of load output modes of NPN, and output pulse width is independent adjustable, and maximum output current is 3A, is provided with the load short circuits protective device, adopts Chinese operation interface.
This control system is provided with manually and automatic two kinds of mode of operations, and the button by digitial controller can freely switch between two kinds of mode of operations.
Described digital sensor comprises rotation sensor, digital Slope Transducer, ultrasound wave piston shoes and laser pick-off instrument.
This control system can be according to different operating modes and field requirement expansion novel sensor.
Described all kinds of digital sensor includes built-in controller, CAN bus communication module, signal acquisition module, signal condition module and sensor, sensor sends the signal that collects to the signal condition module, the signal condition module sends signal acquisition module to after signal is handled, signal acquisition module is handled the data of gathering by built-in controller, and send to the CAN bus by CAN bus communication module, simultaneously, built-in controller upgrades the parameter of adjusting digital sensor by CAN bus communication module receiving control information; But described built-in controller adopts the AVR series A Tmega128 single-chip microcomputer of online programming; Described CAN bus communication module is made up of SJA1000 and PCA82C50/251.
The present invention has following beneficial effect: (1) digitial controller of the present invention is judged digital type of sensor and is made computing according to the parameter of demarcating according to the data type that receives, the action of output load control signal control construction machine solenoid valve, and to the real-time work information of master station's transmission, the feasible energising of this structure back digitial controller is the identification sensor type immediately; Digital sensor accurate sensor technology can accurately be surveyed the situation on road surface, and construction machine can accurately be constructed, and has saved fund and time; The CAN bussing technique is safe and reliable, has improved complete machine performance and construction quality; Control system has remote monitoring function, realizes three-dimensional control, does not have the mechanical parts wearing and tearing, high life.
(2) exterior I/O mouth of being used for circuit system of 74ALVC164245 chip of the present invention and 74HC377 chip is expanded, this structure makes the construction machine control system can utilize read-write sequence and address signal that each 74HC377 is carried out gating, has realized 16 I/O mouth control parallel LED pilot lamp, the dynamic demonstration of LCD display and the pwm signal output of solenoid valve.
(3) 74HC244 chip of the present invention is used to read the value of button, and the key assignments that reads of 74HC244 chip cooperates the amphicheirality of 74ALVC164245 chip just can reach to make full use of system resource, realize the purpose of systemic-function like this.
(4) digitial controller of the present invention is provided with the parameter power down and preserves device, and this structure can effectively be avoided the setting that repeats to the controlled variable of construction machine control system.
(5) the present invention is provided with PNP and two kinds of load output modes of NPN; output pulse width is independent adjustable; maximum output current is 3A; be provided with the load short circuits protective device; adopt Chinese operation interface; this structure makes the simple operation of construction machine control system, indication image to have good human-computer interaction interface, and self check and fault detect Presentation Function.
(6) digital sensor of the present invention comprises rotation sensor, digital Slope Transducer, ultrasound wave piston shoes and laser pick-off instrument, and advanced digital sensor technology makes that the construction machine control system is reliable and stable, construction operation precision height.
(7) the present invention can be according to different operating modes and field requirement expansion novel sensor, and this structure makes the construction machine control system have higher flexibility.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is a structured flowchart of the present invention.
Fig. 2 is a hardware circuit composition frame chart of the present invention.
Fig. 3 is a digitial controller software flow pattern of the present invention.
Fig. 4 is a digital sensor software flow pattern of the present invention.
Fig. 5 is a digitial controller actions menu block diagram of the present invention.
Label is in the accompanying drawing:
Device 15, digital sensor 2, built-in controller 21, CAN bus communication module 22, signal acquisition module 23, signal condition module 24, sensor 25, construction machine solenoid valve 3, master station 4 are preserved in digitial controller 1, chip 11, TMS320LF2407A chip 11-1,74ALVC164245 chip 11-2,74HC377 chip 11-3,74HC244 chip 11-4, button 12, pilot lamp 13, display screen 14, parameter power down.
Embodiment
(embodiment 1)
See Fig. 1, present embodiment comprises digitial controller 1, digital sensor 2, construction machine solenoid valve 3 and master station 4.
This control system can insert GPS, is provided with manually and automatic two kinds of mode of operations, adopts the wide region supply voltage of 10～30V, and is provided with reversed polarity, overcurrent, overvoltage crowbar.Digitial controller 1 is realized communicating to connect by the CAN bussing technique with digital sensor 2; Digital sensor 2 detects information of road surface, and pass through the CAN bus transfer and give digitial controller 1, digitial controller 1 is judged the type of digital sensor 2 and is made computing according to the parameter of demarcating according to the data type that receives, 3 actions of output load control signal control construction machine solenoid valve, and to the real-time work information of master station's 4 transmissions.
See Fig. 2, digitial controller 1 adopts the DSP microprocessor technology, comprises chip 11, button 12, pilot lamp 13, display screen 14 and parameter power down preservation device 15; Chip 11 comprises TMS320LF2407A chip 11-1,74ALVC164245 chip 11-2,74HC377 chip 11-3 and 74HC244 chip 11-4, TMS320LF2407A chip 11-1 is a control chip, digitial controller 1 carries out the CAN bus data by the built-in CAN module of TMS320LF2407A chip 11-1 and receives and send, exterior I/O mouth that 74ALVC164245 chip 11-2 and 74HC377 chip 11-3 are used for circuit system is expanded, and 74HC244 chip 11-4 is used to read the value of button 12; Button 12 has four, be used to access menu item and parameter setting, parameter comprises sensitivity, range of control, position parameter, three-dimensional control, dead band, proportional band, reference value, output mode, output pulse width and hydraulic pressure record, parameter all can on-the-spotly be set, and adopting power down to preserve, the measured data recoverable shows simultaneously; Pilot lamp 13 adopts four groups of high-brightness LED pilot lamp; Display screen 14 adopts the section-type LCD LCDs; The parameter power down is preserved device 15 and is adopted the AT24 series memory.Digital sensor 2 comprises rotation sensor, digital Slope Transducer, ultrasound wave piston shoes and laser pick-off instrument.All kinds of digital sensors 2 include built-in controller 21, CAN bus communication module 22, signal acquisition module 23, signal condition module 24 and sensor 25, sensor 25 sends the signal that collects to signal condition module 24, after handling, 24 pairs of signals of signal condition module send signal acquisition module 23 to, signal acquisition module 23 is handled the data of gathering by built-in controller 21, and send to the CAN bus by CAN bus communication module 22, simultaneously, built-in controller 21 upgrades the parameter of adjusting digital sensor 2 by CAN bus communication module 22 receiving control informations; But built-in controller 21 adopts the AVR series A Tmega128 single-chip microcomputer of online programming; CAN bus communication module 22 is made up of SJA1000 and PCA82C50/251.This control system can be according to different operating modes and field requirement expansion novel sensor.This control system is provided with PNP and two kinds of load output modes of NPN, and output pulse width is independent adjustable, and maximum output current is 3A, is provided with the load short circuits protective device, adopts Chinese operation interface.
See Fig. 3, system powers on, and the operating procedure and the process of digital sensor 2 are as follows:
1., system initialization;
2., CAN bus initialization;
3., parameter reads, and is mainly the systematic parameter of power down storage;
4., datacycle acquisition process;
5., whether judgment data normal, normally then by CAN digitial controller 1 is carried out data and send, and pilot lamp 13 shows normal signal that data exception is judged Exception Type, and sends abnormality mark to digitial controller 1, pilot lamp 13 is reported to the police simultaneously;
6., after finishing a data acquisition and sending, detected parameters change flag position if change, then needs the undated parameter storage, get back to then data acquisition again circulation step 4.～6. do not change if having, then directly circulation step is 4.～6..
See Fig. 4, the operating procedure and the process of digitial controller 1 are as follows:
1., digitial controller 1 self check, system initialization and CAN bus are carried out initialization, original parameter reads;
2., cycle criterion has or not the CAN bus data, if do not have then display screen 14, the no sensor of pilot lamp 13 warnings, the CAN data are arranged, and then the ID data of sending according to the digital sensor in the CAN data 2 judge it is the digital sensor 2 of which kind of type, realize the identification of digital sensor 2;
3., the type of discriminating digit sensor 2, and configuration parameter;
4., digital sensor 2 Data Receiving and processing;
5., judgement is in manually or automatic operation mode;
Under the manual mode, display screen 14 shows the actual measurement sensor values, pilot lamp 13 does not have indication, the menu option of checking capable of circulation, and system operational parameters is set, comprise sensitivity, range of control, position parameter, three-dimensional control, dead band, proportional band, reference value, output pulse width and hydraulic pressure record, can also switch manual mode to automatic mode.
Under the automatic mode, display screen 14 shows reference value, pilot lamp 13 indication outbound courses, the pwm signal of calculating and output construction machine solenoid valve 3;
6., judge whether digital sensor 2 normal, normally then circulation 5.～6., undesired, the output of then reporting to the police, and getting back to 2.;
7., can change the setting of benchmark and other partial parameters in the work progress.
See Fig. 5,, and system operational parameters is set, comprise sensitivity, range of control, position parameter, three-dimensional control, dead band, proportional band, reference value, output pulse width and hydraulic pressure record by button 12 menu options of checking capable of circulation; Can also system be switched between manual and automatic two kinds of mode of operations by button 12.
Should be appreciated that specific embodiment described above only is used to explain the present invention, and be not used in qualification the present invention.Conspicuous variation of being extended out by spirit of the present invention or change still are among protection scope of the present invention.
Claims (8)
1. universal construction machine control system, it is characterized in that: comprise digitial controller (1), digital sensor (2), construction machine solenoid valve (3) and master station (4), digitial controller (1) is realized communicating to connect by the CAN bussing technique with digital sensor (2); Described digital sensor (2) detects information of road surface, and pass through the CAN bus transfer and give digitial controller (1), digitial controller (1) is judged the type of digital sensor (2) and is made computing according to the parameter of demarcating according to the data type that receives, output load control signal control construction machine solenoid valve (3) action, and to the real-time work information of master station (4) transmission.
2. universal construction machine control system according to claim 1, it is characterized in that: this control system can insert GPS, adopts the wide region supply voltage of 10～30V, and is provided with reversed polarity, overcurrent, overvoltage crowbar.
3. universal construction machine control system according to claim 2, it is characterized in that: described digitial controller (1) adopts the DSP microprocessor technology, comprises chip (11), button (12), pilot lamp (13), display screen (14) and parameter power down preservation device (15); Described chip (11) comprises TMS320LF2407A chip (11-1), 74ALVC164245 chip (11-2), 74HC377 chip (11-3) and 74HC244 chip (11-4), TMS320LF2407A chip (11-1) is a control chip, digitial controller (1) carries out the CAN bus data by the built-in CAN module of TMS320LF2407A chip (11-1) and receives and send, exterior I/O mouth that 74ALVC164245 chip (11-2) and 74HC377 chip (11-3) are used for circuit system is expanded, and 74HC244 chip (11-4) is used to read the value of button (12); Described button (12) has four, is used to access menu item and parameter setting; Described pilot lamp (13) adopts four groups of high-brightness LED pilot lamp; Described display screen (14) adopts the section-type LCD LCDs; Described parameter power down is preserved device (15) and is adopted the AT24 series memory.
4. universal construction machine control system according to claim 3; it is characterized in that: this control system is provided with PNP and two kinds of load output modes of NPN, and output pulse width is independent adjustable, and maximum output current is 3A; be provided with the load short circuits protective device, adopt Chinese operation interface.
5. universal construction machine control system according to claim 4 is characterized in that: this control system is provided with manually and automatic two kinds of mode of operations, and the button (12) by digitial controller (1) can freely switch between two kinds of mode of operations.
6. universal construction machine control system according to claim 5 is characterized in that: described digital sensor (2) comprises rotation sensor, digital Slope Transducer, ultrasound wave piston shoes and laser pick-off instrument.
7. universal construction machine control system according to claim 6 is characterized in that: this control system can be according to different operating modes and field requirement expansion novel sensor.
8. universal construction machine control system according to claim 7, it is characterized in that: described all kinds of digital sensors (2) include built-in controller (21), CAN bus communication module (22), signal acquisition module (23), signal condition module (24) and sensor (25), sensor (25) sends the signal that collects to signal condition module (24), after handling signal, signal condition module (24) sends signal acquisition module (23) to, signal acquisition module (23) is handled the data of gathering by built-in controller (21), and send to the CAN bus by CAN bus communication module (22), simultaneously, built-in controller (21) upgrades the parameter of adjusting digital sensor (2) by CAN bus communication module (22) receiving control information; Described built-in controller (21) but adopt the AVR series A Tmega128 single-chip microcomputer of online programming; Described CAN bus communication module (22) is made up of SJA1000 and PCA82C50/251.
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| CN201010137656A CN102213955B (en) | 2010-04-01 | 2010-04-01 | General building machine control system |
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| CN201010137656A CN102213955B (en) | 2010-04-01 | 2010-04-01 | General building machine control system |
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| CN102213955B CN102213955B (en) | 2012-10-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442420A (en) * | 2015-11-09 | 2016-03-30 | 湖南三一路面机械有限公司 | Milling machine and operation prompting device thereof |
| CN107590984A (en) * | 2017-10-25 | 2018-01-16 | 北京理工大学 | A kind of levelling of paver wireless control system |
| CN107885104A (en) * | 2017-02-07 | 2018-04-06 | 徐州徐工筑路机械有限公司 | CAN panel control system and milling machine |
| CN107995462A (en) * | 2017-11-27 | 2018-05-04 | 山东博安智能科技股份有限公司 | Building site remote monitoring system and the building site remote monitoring system based on Internet of Things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102213955B (en) | 2012-10-10 |
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Address after: 213164 science and Technology City 2, Changwu Middle Road, Changzhou, Jiangsu, 2 Patentee after: Institute of Advanced Manufacturing Technology Address before: 213164 science and Technology City 2, Changwu Middle Road, Changzhou, Jiangsu, 2 Patentee before: Changzhou Machinery Electronic Engineering Institute |