CN109901545A - A kind of bull-dozer safety control system and method - Google Patents
A kind of bull-dozer safety control system and method Download PDFInfo
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- CN109901545A CN109901545A CN201711295289.4A CN201711295289A CN109901545A CN 109901545 A CN109901545 A CN 109901545A CN 201711295289 A CN201711295289 A CN 201711295289A CN 109901545 A CN109901545 A CN 109901545A
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Abstract
The invention discloses a kind of bull-dozer safety control systems, belong to engineer operation security technology area, including vehicle-mounted master controller, GPS terminal, Multifunctional monitor and engine ECM, vehicle-mounted master controller judges whether to meet entry condition according to the signal that engine ECM is detected, if any one signal that vehicle-mounted master controller detects does not meet preset range of normal value, do not allow then to start machine, and show the signal for violating safety operation on Multifunctional monitor, to remind operator to correct operation behavior；A kind of bull-dozer method of controlling security includes the following steps: vehicle-mounted instrument starting security protection, walking security protection, operating overload security protection, safety index data statistics and long-range protection.The present invention replaces original artificial control, monitors complete machine working condition in real time, reduces power automatically, and the remote monitoring function with data statistics and operation safety, energy real-time query to machine is safely operated state.
Description
Technical field
The present invention relates to a kind of safety control system and methods, more particularly to a kind of bull-dozer safety control system and side
Method belongs to engineer operation security technology area.
Background technique
Currently, 160 horsepowers or more medium-and-large-sized bull-dozers construction when mainly by driver subjective consciousness control, due to by
To the influence of many human factors such as sight, operating habit and the state of mind of people, generally existing two drawbacks: 1, operation because
People and different there are potential security risk, safety accident caused by existing because of misoperation, cause loss of personal property；2, due to making
Machine long term overloading or overload operation is caused to cause mechanical disorder with improper, generally it is found that have already passed by maintenance when failure
Best opportunity, since large and medium-sized bull-dozer self-value and maintenance cost are higher, when failure, needs to spend a large amount of manpower
Material resources cost.
Against the above drawbacks, it is necessary to it designs a kind of special control method and is automatically controlled for bull-dozer safety operation,
To avoid causing unexpected personal and property safety accident because of misoperation.
Summary of the invention
The main object of the present invention is to provide for a kind of bull-dozer safety control system and method, by using single-chip microcontroller
Control, CAN bus communication, GPS remote data transmission and positioning carry out sequencing, intelligentized control method, to effectively prevent
Operate caused unexpected security risk when machine.
The purpose of the present invention can reach by using following technical solution:
A kind of bull-dozer safety control system, including vehicle-mounted master controller, GPS terminal, Multifunctional monitor and hair
Motivation ECM, the vehicle-mounted master controller pass through CAN bus and the GPS terminal, the Multifunctional monitor and institute respectively
Engine ECM electrical connection is stated, the engine ECM is for detecting engine speed, engine motor oil temperature signal, engine oil pressure
Signal, water temperature signal, torque-converters oil temperature signal, driving switch signal, guide's safety switch signal and generator voltage signal；Institute
It states vehicle-mounted master controller to judge whether to meet entry condition according to the signal that the engine ECM is detected, if vehicle-mounted master controller
Any one signal detected does not meet preset range of normal value, then does not allow to start machine, and will violate safety operation
Signal be shown on the Multifunctional monitor, with remind operator correct operation behavior；The vehicle-mounted master controller will
Fault-signal is recorded in memory, and is counted respectively according to fault category and the generation frequency, when a certain failure logging frequency
It is numerous generation or more than setting the upper limit when, the vehicle-mounted master controller sends this signal CAN bus in the form of communicating
To the GPS terminal, the GPS terminal is believed fault data and vehicle location by GPSRS network and GSM network
Number it is uploaded to monitor supervision platform terminal.
Further, the Multifunctional monitor is electrically connected with vehicle-mounted camera, the engine ECM respectively with engine
Oil temperature sensor, engine oil pressure pickup and water temperature sensor electrical connection, the engine motor oil temperature sensor are used for
Engine motor oil temperature signal is acquired, the engine oil pressure pickup is for acquiring engine oil pressure signal, the water temperature sensor
For acquiring water temperature.
Further, the vehicle-mounted master controller is microcontroller, and the microcontroller is sensed with inclination angle respectively
Device, torque-converters oil temperature sensor, hydraulic oil temperature sensor and the electrical connection of acousto-optic alarm generator, the obliquity sensor is for adopting
Collect bull-dozer dip angle signal, the torque-converters oil temperature sensor is for acquiring torque-converters oil temperature signal, the hydraulic oil temperature sensing
Device is for acquiring hydraulic oil temperature signal, and the sound-light alarm generator is for generating sound and light alarm signal.
Further, the microcontroller also respectively with driving switch, guide's safety switch, walking mid level switch, preceding
Into pressure switch and pressure switch electrical connection is retreated, the driving switch is for acquiring driving switch signal, guide's safety
Switch is for acquiring guide's safety switch signal, and the walking mid level switch is for acquiring walking mid level switch signal, before described
Pressure switch signal is retreated for acquiring for acquiring advance pressure switch signal, the retrogressing pressure switch into pressure switch.
Further, the microcontroller also respectively with power regulation electric proportional valve, gear solenoid valve and vehicle-mounted power generation
Mechatronics, the power regulation electric proportional valve are used to adjust the power electricity ratio of hydraulic system, reduce hydraulic system power, institute
Gear solenoid valve is stated for regulation stall, changes the operating status of bull-dozer, the mobile generator is used for vehicle-mounted power generation.
A kind of bull-dozer method of controlling security, includes the following steps:
Step 1: vehicle-mounted instrument starts security protection；
Step 2: walking security protection；
Step 3: operating overload security protection；
Step 4: safety index data statistics and long-range protection.
Further, in the step 1, bull-dozer detects engine by engine ECM before starting vehicle-mounted instrument and turns
Speed, engine oil pressure signal, driving switch signal, guide's safety switch signal and generator voltage signal, vehicle-mounted master controller root
Judge whether to meet vehicle-mounted instrument entry condition according to the signal detected, when a certain failure logging frequently occurs or more than setting
When the upper limit, this signal is sent to the GPS terminal CAN bus by the vehicle-mounted master controller in the form of communicating,
Fault data and vehicle location signal are uploaded to monitor supervision platform end by GPS network network and GSM network by the GPS terminal
End.
Further, in the step 2, bull-dozer detects walking dead-man's handle switch letter before walking starting
Number, driving switch signal and engine rotational speed signal, obliquity sensor signal is obtained by engine ECM, judges that inclination angle senses
Whether device is normal, when walking dead-man's handle switching signal, driving switch signal, engine rotational speed signal and obliquity sensor signal
In either signal when not meeting default starting condition, do not allow bull-dozer starting walking, when bull-dozer when walking, in real time
Obliquity sensor state is detected, when the obliquity sensor signal of obliquity sensor acquisition does not meet preset condition, that is, stops row
It walks.
Further, in the step 3, bull-dozer during the work time, passes through real-time detection water temperature, oil temperature, oil pressure
Power, engine rotational speed signal judge whether vehicle-mounted instrument is in overload, adjust engine output by engine ECM
And revolving speed, regulation power adjust electric proportional valve, reduce hydraulic system power, adjust engine speed, reduce engine power,
The internal memory of engine ECM can store failure logging and executive condition in memory when failure, multi-functional prison
Visual organ real-time display failure and executive condition in the form of human-computer interaction.
Further, in the step 4, the user characteristic data counted on is analyzed and is filtered by engine ECM, is formed and is violated
Safety operation record shows output prompt manipulator by Multifunctional monitor, and it is logical that engine ECM will violate safety operation record
It crosses CAN bus to be communicated with GPS terminal, using GSM network and internet net, sends prison for user characteristic data
Control center, monitoring center handle data, are sent to car owner.
Advantageous effects of the invention:
Bull-dozer safety control system according to the invention and method, bull-dozer safety control system provided by the invention and
Method arranges machine security posture by controller automatically, effectively prevents operating not because of machine instead of original artificial control
When causing unexpected safety accident.
Bull-dozer safety control system according to the invention and method, bull-dozer safety control system provided by the invention and
Method monitors complete machine working condition in real time, is adjusted when machine overload by controller, automatic to reduce power effective protection machine
It will not be because of loss irretrievable caused by long-term overlond running.
Bull-dozer safety control system according to the invention and method, bull-dozer safety control system provided by the invention and
Method, compared with prior art, the remote monitoring function with data statistics and operation safety can be real-time by monitor supervision platform
It inquires machine safe operation state and timely and effective prompting manipulator carries out safety operation improvement.
Detailed description of the invention
Fig. 1 is the overall structure diagram of a preferred embodiment of bull-dozer safety control system according to the invention；
Fig. 2 is the machine startup security protection stream of a preferred embodiment of bull-dozer method of controlling security according to the invention
Cheng Tu, the embodiment can be embodiment identical with Fig. 1, be also possible to the embodiment different from Fig. 1；
Fig. 3 is the walking security protection process of a preferred embodiment of bull-dozer method of controlling security according to the invention
Figure, the embodiment can be embodiment identical with Fig. 1 or Fig. 2, be also possible to the embodiment different from Fig. 1 or Fig. 2；
Fig. 4 is the operating overload security protection work of a preferred embodiment of bull-dozer method of controlling security according to the invention
Make schematic diagram, which can be embodiment identical with Fig. 1 or Fig. 2 or Fig. 3, be also possible to Fig. 1 or Fig. 2 or Fig. 3 not
Same embodiment；
Fig. 5 is a preferred embodiment of bull-dozer method of controlling security according to the invention, safety index data statistics
And long-range protected working schematic diagram, the embodiment can be embodiment identical with Fig. 1 or Fig. 2 or Fig. 3 or Fig. 4, be also possible to
The embodiment different from Fig. 1 or Fig. 2 or Fig. 3 or Fig. 4.
In figure: the vehicle-mounted master controller of 1-, 2- GPS terminal, 3- vehicle-mounted camera, 4- Multifunctional monitor, 5- start
Machine oil temperature sensor, 6- engine oil pressure pickup, 7- water temperature sensor, 8- engine ECM, 9- obliquity sensor, 10- grades
Bit switch, 11- guide's safety switch, 12- walking mid level switch, 13- torque-converters oil temperature sensor, 14- hydraulic oil temperature sensor,
15- power regulation electric proportional valve, 16- gear solenoid valve, 17- sound-light alarm generator, 18- advance pressure switch, 19- retreat pressure
Power switch, 20- mobile generator.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, below with reference to examples and drawings
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
As shown in Figure 1, a kind of bull-dozer safety control system provided in this embodiment, including it is vehicle-mounted master controller 1, vehicle-mounted
GPS terminal 2, Multifunctional monitor 4 and engine ECM8, the vehicle-mounted master controller 1 respectively by CAN bus with it is described vehicle-mounted
GPS terminal 2, the Multifunctional monitor 4 and engine ECM8 electrical connection, the engine ECM8 is for detecting engine
Revolving speed, engine motor oil temperature signal, engine oil pressure signal, water temperature signal, torque-converters oil temperature signal, driving switch signal, elder generation
Lead safety switch signal and generator voltage signal；The signal that the vehicle-mounted master controller 1 is detected according to the engine ECM8
Judge whether to meet entry condition, if any one signal that vehicle-mounted master controller 1 detects does not meet preset normal value model
It encloses, does not then allow to start machine, and the signal for violating safety operation is shown on the Multifunctional monitor 4, to remind behaviour
Make personnel and corrects operation behavior；Fault-signal is recorded in memory the vehicle-mounted master controller 1, and according to fault category and
Occur the frequency counted respectively, when a certain failure logging frequently occur or more than setting the upper limit when, the vehicle-mounted main control
This signal is sent to the GPS terminal 2 CAN bus by device 1 in the form of communicating, and the GPS terminal 2 passes through
Fault data and vehicle location signal are uploaded to monitor supervision platform terminal by GPSRS network and GSM network.
Further, in the present embodiment, as shown in Figure 1, the Multifunctional monitor 4 is electrically connected with vehicle-mounted camera 3,
The engine ECM8 is electrically connected with engine motor oil temperature sensor 5, engine oil pressure pickup 6 and water temperature sensor 7 respectively,
The engine motor oil temperature sensor 5 is for acquiring engine motor oil temperature signal, and the engine oil pressure pickup 6 is for adopting
Collect engine oil pressure signal, the water temperature sensor 7 is for acquiring water temperature；The vehicle-mounted master controller 1 is microcontroller, institute
State microcontroller respectively with obliquity sensor 9, torque-converters oil temperature sensor 13, hydraulic oil temperature sensor 14 and sound-light alarm
Generator 17 is electrically connected, and the obliquity sensor 9 is used for acquiring bull-dozer dip angle signal, the torque-converters oil temperature sensor 13
In acquisition torque-converters oil temperature signal, the hydraulic oil temperature sensor 14 is for acquiring hydraulic oil temperature signal, the sound-light alarm hair
Raw device 17 is for generating sound and light alarm signal.
Further, in the present embodiment, as shown in Figure 1, the microcontroller also respectively with driving switch 10, first
It leads safety switch 11, walking mid level switch 12, advance pressure switch 18 and retreats the electrical connection of pressure switch 19, the driving switch
10 for acquiring driving switch signal, and guide's safety switch 11 is for acquiring guide's safety switch signal, in the walking
Bit switch 12 is used to acquire advance pressure switch signal for acquiring walking mid level switch signal, the advance pressure switch 18,
The retrogressing pressure switch 19 retreats pressure switch signal for acquiring；The microcontroller is also electric with power regulation respectively
Proportioning valve 15, gear solenoid valve 16 and mobile generator 20 are electrically connected, and the power regulation electric proportional valve 15 is hydraulic for adjusting
The power electricity ratio of system, reduces hydraulic system power, and the gear solenoid valve 16 is used for regulation stall, changes the fortune of bull-dozer
Row state, the mobile generator 20 are used for vehicle-mounted power generation.
Further, in the present embodiment, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of bull-dozer provided in this embodiment
Method of controlling security, which comprises the steps of:
Step 1: vehicle-mounted instrument starts security protection
Bull-dozer detects engine speed, engine oil pressure signal, gear by engine ECM8 before starting vehicle-mounted instrument
Switching signal, guide's safety switch signal and generator voltage signal, vehicle-mounted master controller 1 are according to the signal judgement detected
It is no to meet vehicle-mounted instrument entry condition, when a certain failure logging frequently occur or more than setting the upper limit when, the vehicle-mounted master control
This signal is sent to the GPS terminal 2 CAN bus by device 1 processed in the form of communicating, and the GPS terminal 2 is logical
It crosses GPS network network and GSM network and fault data and vehicle location signal is uploaded to monitor supervision platform terminal；
Step 2: walking security protection
Bull-dozer detects walking dead-man's handle switching signal, driving switch signal and starts before walking starting
Machine tach signal obtains obliquity sensor signal by engine ECM8, judges whether obliquity sensor 9 is normal, when walking is pacified
Either signal in full bat-handle switch signal, driving switch signal, engine rotational speed signal and obliquity sensor signal is not met
When default starting condition, do not allow bull-dozer starting walking, when bull-dozer when walking, 9 shape of real-time detection obliquity sensor
State stops walking when the obliquity sensor signal that obliquity sensor 9 acquires does not meet preset condition；
Step 3: operating overload security protection
Bull-dozer during the work time, is judged by real-time detection water temperature, oil temperature, engine oil pressure, engine rotational speed signal
Whether vehicle-mounted instrument is in overload, adjusts engine output and revolving speed by engine ECM8, regulation power is adjusted
Electric proportional valve reduces hydraulic system power, adjusts engine speed, reduces engine power, the engine when breaking down
The internal memory of ECM8 can store failure logging and executive condition in memory, and Multifunctional monitor 4 is with human-computer interaction
Form real-time display failure and executive condition；
Step 4: safety index data statistics and long-range protection
The user characteristic data counted on is analyzed and is filtered by engine ECM8, is formed and is violated safety operation record, by more
Function monitor 4 display output prompt manipulator, engine ECM8 will violate safety operation record pass through CAN bus with it is vehicle-mounted
GPS terminal 2 is communicated, and using GSM network and internet net, monitoring center is sent by user characteristic data, in monitoring
The heart handles data, is sent to car owner.
Further, in the present embodiment, the vehicle-mounted master controller 1 can be Atmel microcontroller.
Machine startup function of safety protection: engine rotational speed signal, engine oil pressure are detected simultaneously before starting machine every time
Whether signal driving switch signal, guide's safety switch signal, generator voltage signal, judges automatically in normal range (NR), any
One ineligible not to allow to start machine.
Walking function of safety protection: machine needs to detect walking dead-man's handle switch, gear simultaneously before walking starting
Whether switching signal, engine rotational speed signal, obliquity sensor signal are normal, and above-mentioned any one does not meet starting condition not
Allow start walk, machine at work again real-time detection obliquity sensor state, once transfinite i.e. stop walking.
Operating overload function of safety protection: machine at work, by real-time detection water temperature, oil temperature, engine oil pressure, starts
Machine tach signal judges whether, once overload reduces complete machine power output at once, to prevent machine because of long-term mistake in overload
Carry damage；
Data statistics and remotely protect prompt facility: when not meeting under safety operation and overload situations occurs in machine, master control
Fault message can be recorded in memory for device processed, and be counted respectively according to fault category and the generation frequency, when certain
One failure logging frequently occur or more than setting the upper limit when, master controller can be sent this information by way of bus communication
To GPS terminal, fault data and vehicle location information are uploaded to monitoring by GPS network network and GSM network and put down by GPS terminal
Platform terminal server, the administrative staff of monitor supervision platform can according to system suggestion, the case where seriously violating safety index, logical in time
Know car owner, reaches timely and effective prevention security risk purpose.
Further, in the present embodiment, as shown in Fig. 2, the specific decision condition of machine startup function of safety protection and reality
It is as follows to apply process:
Bull-dozer detects engine speed, engine oil pressure signal, gear by engine ECM before starting machine every time and opens
OFF signal, guide's safety switch signal, generator voltage signal, master controller will judge whether every time according to the signal of detection
Meet entry condition, allows to start machine, and the information that safety operation will be violated as one of them do not meet range of normal value not
Multifunctional monitor is presented on to remind operator to correct operation and not be inconsistent behavior.
Further, in the present embodiment, as shown in figure 3, the specific decision condition of walking function of safety protection and implementing
Journey is as follows:
Machine needs to detect walking dead-man's handle switch simultaneously, driving switch signal, engine turn before walking starting
Fast signal obtains whether obliquity sensor signal is normal, and above-mentioned any one, which does not meet starting condition, not to be allowed to open by ECU
Dynamic walking, machine real-time detection obliquity sensor state again at work, stops walking once transfiniting；
Determine whether pilot valve is in the state of turning off or on by judging dead-man's handle switch state, when pilot valve is in
By detection engine speed when open state, only it is in just eligible when low idling mode, and then judge that inclination angle senses
Whether normal device state further judges generator voltage, if can normally enter shape to be walked if inclination angle is not transfinited
State the problem of during machine operation if there is any violation above-mentioned condition, stops walking operations at once, has excluded failure
After can work on.
Further, in the present embodiment, as shown in figure 4, the specific decision condition of operating overload function of safety protection and reality
It is as follows to apply process:
Machine at work, judges whether to locate by real-time detection water temperature, oil temperature, engine oil pressure, engine rotational speed signal
In overload, once overload reduces complete machine power output at once, prevent machine because of long-term overload damage；
Earth mover mostly uses EFI engine, hydraulic power to adjust bearing power mechanism, during machinery operation
When causing engine water temperature, engine oil pressure or vehicle-mounted torque-converters temperature to steeply rise due to misoperation or failure itself, master control
Device processed can be analyzed and determined according to the algorithm pre-set: master controller can judge engine water temperature, oil pressure in real time
The parameters such as power, oil temperature, torque-converters oil temperature, if being in abnormal ranges, MCU can be according to order of importance and emergency situation to automatic adjustment
The power of system passes through MCU regulation power tune when it is implemented, adjusting engine output and revolving speed by Engine ECU
Economize on electricity proportioning valve, reduces hydraulic system power, and adjusting engine speed reduces engine power, to avoid machine long-term work
High temperature, high pressure overload under cause important component to damage.When breaking down, the internal memory of MCU can remember failure
Record and executive condition storage in memory, can be shown in real time existing failure Multifunctional monitor in the form of human-computer interaction
Show, to remind the timely handling machine failure of manipulator to notice that equipment safety is safeguarded, can find machine event in time in this way
Barrier is handled in time, is effectively extended machine service life and is really achieved the purpose for improving equipment safety.
It is total by CAN between master controller (MCU) and Engine ECU and multifunction display in data exchange process
Line communication modes carry out data transmission, and realize information sharing and data transmitting.
Further, in the present embodiment, as shown in figure 5, safety index data statistics and long-range protection prompt facility tool
Body decision condition and implementation process are as follows:
When not meeting under safety operation and overload situations occurs in machine, memory can be recorded in fault message by master controller
In, and counted respectively according to fault category and the generation frequency, when a certain failure logging frequently occurs or is more than setting
The upper limit when, this information can be sent to GPS terminal by master controller by way of bus communication, and GPS terminal passes through GPS
Fault data and vehicle location information are uploaded to monitor supervision platform terminal server, the management of monitor supervision platform by network and GSM network
Personnel can according to system suggestion, the case where seriously violating safety index, notifies car owner in time, reaches timely and effective prevention safety
Hidden danger purpose；
Safety index data statistics and long-range protection prompt facility are by the function of MCU control system and GPS teledata
Transmission is combined with control technology, and the user characteristic data counted on is analyzed and filtered by MCU, is formed and is violated safety operation record,
On the one hand show that output prompt manipulator, another aspect MCU will violate safety records by passing through CAN by Multifunctional monitor
Bus is communicated with GPS terminal module, using GSM network and internet net, the data information monitored is irregular
It is sent to monitoring central server, the data administrator of monitoring center handles data, car owner is shipped regularly to, for warp
Often there is serious the case where violating safety index, monitor supervision platform attendant can link up with car owner in time, more effectively to take precautions against
Security risk.
In conclusion in the present embodiment, according to the bull-dozer safety control system and method for the present embodiment, the present embodiment
The bull-dozer safety control system and method for offer, arrange machine security posture by controller automatically, instead of original artificial
Unexpected safety accident caused by control is effectively prevented because of machine misoperation；Complete machine working condition is monitored in real time, when machine mistake
It is adjusted when load by controller, automatic reduction power effective protection machine will not be because of damage irretrievable caused by long-term overlond running
It loses；Compared with prior art, it with the remote monitoring function of data statistics and operation safety, can be looked into real time by monitor supervision platform
It askes machine safe operation state and timely and effective prompting manipulator carries out safety operation improvement.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of bull-dozer safety control system, including vehicle-mounted master controller (1), GPS terminal (2), Multifunctional monitor
(4) and engine ECM (8), the vehicle-mounted master controller (1) is respectively by CAN bus and the GPS terminal (2), described
Multifunctional monitor (4) and the engine ECM (8) electrical connection, which is characterized in that the engine ECM (8) is for detecting hair
Motivation revolving speed, engine motor oil temperature signal, engine oil pressure signal, water temperature signal, torque-converters oil temperature signal, driving switch letter
Number, guide's safety switch signal and generator voltage signal；The vehicle-mounted master controller (1) is examined according to the engine ECM (8)
The signal of survey judges whether to meet entry condition, if any one signal that vehicle-mounted master controller (1) detects do not meet it is default
Range of normal value, then do not allow to start machine, and the signal for violating safety operation be shown in the Multifunctional monitor (4)
On, to remind operator to correct operation behavior；Fault-signal is recorded in memory the vehicle-mounted master controller (1), and
According to fault category and occur the frequency counted respectively, when a certain failure logging frequently occur or more than setting the upper limit when,
This signal is sent to the GPS terminal (2), institute CAN bus by the vehicle-mounted master controller (1) in the form of communicating
It states GPS terminal (2) and fault data and vehicle location signal is uploaded to by monitor supervision platform by GPSRS network and GSM network
Terminal.
2. a kind of bull-dozer safety control system according to claim 1, which is characterized in that the Multifunctional monitor
(4) be electrically connected with vehicle-mounted camera (3), the engine ECM (8) respectively with engine motor oil temperature sensor (5), oil pressure
Force snesor (6) and water temperature sensor (7) electrical connection, the engine motor oil temperature sensor (5) is for acquiring engine machine
Oil temperature signal, the engine oil pressure pickup (6) is for acquiring engine oil pressure signal, and the water temperature sensor (7) is for adopting
Collect water temperature.
3. a kind of bull-dozer safety control system according to claim 1, which is characterized in that the vehicle-mounted master controller
(1) be microcontroller, the microcontroller respectively with obliquity sensor (9), torque-converters oil temperature sensor (13), hydraulic
Oil temperature sensor (14) and acousto-optic alarm generator (17) electrical connection, the obliquity sensor (9) is for acquiring bull-dozer inclination angle
Signal, the torque-converters oil temperature sensor (13) are used for acquiring torque-converters oil temperature signal, the hydraulic oil temperature sensor (14)
In acquisition hydraulic oil temperature signal, the sound-light alarm generator (17) is for generating sound and light alarm signal.
4. a kind of bull-dozer safety control system according to claim 3, which is characterized in that the microcontroller is also
It is pressed respectively with driving switch (10), guide's safety switch (11), walking mid level switch (12), advance pressure switch (18) and retrogressing
Power switchs (19) electrical connection, and the driving switch (10) is used for acquiring driving switch signal, guide's safety switch (11)
In acquisition guide's safety switch signal, the walking mid level switch (12) is for acquiring walking mid level switch signal, the advance
Pressure switch (18) retreats pressure switch for acquiring for acquiring advance pressure switch signal, the retrogressing pressure switch (19)
Signal.
5. a kind of bull-dozer safety control system according to claim 3, which is characterized in that the microcontroller is also
It is electrically connected respectively with power regulation electric proportional valve (15), gear solenoid valve (16) and mobile generator (20), the power regulation
Electric proportional valve (15) is used to adjust the power electricity ratio of hydraulic system, reduces hydraulic system power, the gear solenoid valve (16)
For regulation stall, change the operating status of bull-dozer, the mobile generator (20) is used for vehicle-mounted power generation.
6. a kind of bull-dozer method of controlling security, which comprises the steps of:
Step 1: vehicle-mounted instrument starts security protection；
Step 2: walking security protection；
Step 3: operating overload security protection；
Step 4: safety index data statistics and long-range protection.
7. a kind of bull-dozer method of controlling security according to claim 6, which is characterized in that in the step 1, bull-dozer
Engine speed, engine oil pressure signal, driving switch signal, guide are detected by engine ECM (8) before starting vehicle-mounted instrument
Safety switch signal and generator voltage signal, vehicle-mounted master controller (1) judge whether to meet vehicle-mounted according to the signal detected
Instrument entry condition, when a certain failure logging frequently occur or more than setting the upper limit when, the vehicle-mounted master controller (1) by this
Signal is sent to the GPS terminal (2) CAN bus in the form of communicating, and the GPS terminal (2) passes through GPS
Fault data and vehicle location signal are uploaded to monitor supervision platform terminal by network and GSM network.
8. a kind of bull-dozer method of controlling security according to claim 6, which is characterized in that in the step 2, bull-dozer
Before walking starting, while walking dead-man's handle switching signal, driving switch signal and engine rotational speed signal are detected, passed through
Engine ECM (8) obtains obliquity sensor signal, judges whether obliquity sensor (9) is normal, when walking dead-man's handle switch letter
Number, the either signal in driving switch signal, engine rotational speed signal and obliquity sensor signal do not meet default starting condition
When, do not allow bull-dozer starting walking, when bull-dozer when walking, real-time detection obliquity sensor (9) state, when inclination angle pass
When the obliquity sensor signal of sensor (9) acquisition does not meet preset condition, that is, stop walking.
9. a kind of bull-dozer method of controlling security according to claim 6, which is characterized in that in the step 3, bull-dozer
During the work time, judge whether vehicle-mounted instrument is located by real-time detection water temperature, oil temperature, engine oil pressure, engine rotational speed signal
In overload, engine output and revolving speed are adjusted by engine ECM (8), regulation power adjusts electric proportional valve, reduces
Hydraulic system power adjusts engine speed, reduces engine power, the built-in storage of engine ECM (8) when breaking down
Device can store failure logging and executive condition in memory, and Multifunctional monitor (4) is shown in real time in the form of human-computer interaction
Show failure and executive condition.
10. a kind of bull-dozer method of controlling security according to claim 6, which is characterized in that in the step 4, start
The user characteristic data counted on is analyzed and is filtered by machine ECM (8), is formed and is violated safety operation record, passes through Multifunctional monitor
(4) display output prompt manipulator, engine ECM (8) will violate safety operation record and pass through CAN bus and GPS terminal
(2) it is communicated, using GSM network and internet net, sends monitoring center, monitoring center logarithm for user characteristic data
According to being handled, it is sent to car owner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295289.4A CN109901545A (en) | 2017-12-08 | 2017-12-08 | A kind of bull-dozer safety control system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295289.4A CN109901545A (en) | 2017-12-08 | 2017-12-08 | A kind of bull-dozer safety control system and method |
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| CN109901545A true CN109901545A (en) | 2019-06-18 |
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|---|---|---|---|
| CN201711295289.4A Pending CN109901545A (en) | 2017-12-08 | 2017-12-08 | A kind of bull-dozer safety control system and method |
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| CN111483428A (en) * | 2020-03-30 | 2020-08-04 | 徐州徐工矿业机械有限公司 | Keyless starting control method for engineering machinery |
| CN114607003A (en) * | 2022-03-24 | 2022-06-10 | 徐工集团工程机械股份有限公司科技分公司 | System and method for preventing misoperation before and after starting of loader |
| CN115573410A (en) * | 2022-12-09 | 2023-01-06 | 柳工常州机械有限公司 | Bulldozer and control system thereof |
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