CN105332805B - Energy-saving control system, method and device of vehicle engine and engineering vehicle - Google Patents
Energy-saving control system, method and device of vehicle engine and engineering vehicle Download PDFInfo
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- 238000004134 energy conservation Methods 0.000 claims description 2
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Abstract
The invention relates to the technical field of engineering vehicles, and discloses an energy-saving control system, a method and a device for a vehicle engine and an engineering vehicle, which are used for improving the load rate of the operation of the engine and reducing the oil consumption of the engine in the transportation operation of the engineering vehicle by adjusting the load operation gear of a multi-state switch. The system comprises: the multi-state switch is provided with at least two load-carrying operation gears; the control device is in signal connection with the multi-state switch and is used for determining the current load of the whole vehicle and the current load operation gear of the vehicle; outputting a gear adjusting signal to the multi-state switch according to the current load operation gear, and configuring the multi-state switch as the current load operation gear; and the electronic engine control unit is in signal connection with the multi-state switch and is used for storing the set external engine characteristic curve corresponding to each load operation gear and controlling the output of the engine to be not more than the torque and the rotating speed limited by the corresponding external engine characteristic curve according to the current load operation gear of the multi-state switch.
Description
Technical field
The present invention relates to engineering truck technical fields, energy-saving control system, side more particularly to a kind of vehicle motor
Method, device and engineering truck.
Background technique
Engine is the power source of concrete mixer truck, and with the rise of oil price, hauling operation intermediate fuel oil expense accounts for coagulation
The specific gravity of the operation cost of native mixer truck is increasing, and in order to reduce the fuel consumption of engine, the prior art is usually set up and sent out
The multistate switch of the electronic control unit signal connection of motivation, driver stir multistate switch to corresponding according to the working condition of vehicle
Load-carrying operation gear, it is defeated that the electronic control unit of engine according to the live load operation gear of multistate switch limits engine
Torque and revolving speed out adjust the output power of engine so that engine be made to operate in specified torque and rotary speed area
The rate of load condensate run with engine, to reduce the fuel consumption of engine.
However, the inventors of the present application found that the prior art judges load-carrying working condition with subjective experience simultaneously by driver
Stir multistate switch, it is low and it is difficult to ensure that it can initiatively execute corresponding operation every time to adjust control precision, therefore still
A possibility that there are the rate of load condensate of engine operation is lower, and engine fuel consumption is more, so that production cost is higher.
Summary of the invention
The present invention provides a kind of energy-saving control system of vehicle motor, method, apparatus and engineering trucks, to effective
Ground improves the rate of load condensate of engine operation by adjusting the load-carrying operation gear of multistate switch, further decreases engineering truck and exists
The fuel consumption of engine in hauling operation.
The energy-saving control system of vehicle motor provided by the invention, comprising:
Multistate switch is provided at least two load-carrying operation gears；
Control device is connect with the multistate switch signal, for determining the current carload of vehicle and working as front bearing
Heavy work gear；And gear adjustment signal is exported to the multistate switch according to the live load operation gear, make described more
State switchgear distribution is the live load operation gear；
Engine electronic control unit is connect with the multistate switch signal, for store setting with each load-carrying
The corresponding engine test bench characteristic curve of operation gear, and started according to the control of the live load operation gear of the multistate switch
Machine output is not more than the torque and revolving speed of corresponding engine test bench characteristic curve limit.
In the technical solution of the present invention, compared to the prior art in need driver artificially to judge the load-carrying of current engineering truck
Working condition simultaneously stirs multistate switch, and control device can automatically determine the current carload and live load of vehicle in real time
Operation gear, so that controlling multistate switch adaptive configuration is live load operation gear, so that the output for adjusting engine is turned round
Square and revolving speed are to reduce the fuel consumption of engine.Therefore, the embodiment of the present invention can be according to load-carrying working condition automatic adjusument
The live load operation gear of multistate switch, makes engine operate in different states to reduce fuel consumption, improves adjusting control
Precision processed, so that effectively the rate of load condensate of engine operation is improved by adjusting the load-carrying operation gear of multistate switch, into one
Step reduces the fuel consumption of engineering truck engine in hauling operation.
Further, the energy-saving control system, further includes:
Distance measuring sensor, for detecting the distance between bottom of frame and ground；
The control device is further connect, specifically for according to receiving with the distance measuring sensor signal
The corresponding relationship of the distance between the distance between bottom of frame and ground, bottom of frame and ground between carload, really
Determine the current carload of vehicle.
Further, the energy-saving control system, further includes:
Velocity sensor, for detecting the current vehicle speed of vehicle；
The control device is further connect with the speed sensor signal, for being not zero when the current vehicle speed
When, output detection signal to the distance measuring sensor controls the distance measuring sensor with the first interval time set and detects vehicle
The distance between frame bottom and ground；And it is specifically used for:
According to the distance between bottom of frame and ground received in the second interval time of setting section and median
Algorithm determines the reference distance between bottom of frame and ground；According to the distance between bottom of frame and ground and carload it
Between corresponding relationship, determine the current carload of vehicle corresponding to the reference distance.
Further, the control device is further used for when the current vehicle speed is zero, exports gear adjustment signal
To the multistate switch, the multistate switch is made to be configured to the maximum load-carrying operation gear of allowable load.
Further, the energy-saving control system, further includes:
Displacement sensor, for detecting the decrement of bottom of frame shock-absorbing spring；
The control device is further connect, specifically for according to receiving with the displacement transducer signal
Corresponding relationship between the decrement of bottom of frame shock-absorbing spring, the decrement and carload of bottom of frame shock-absorbing spring, really
Determine the current carload of vehicle.
Preferably, at least two load-carryings operation gear includes that underloading operation gear, middle load operation gear and heavy duty are made
Industry gear.
Based on identical inventive concept, the present invention also provides a kind of applied to vehicle motor described in preceding solution
The control method of energy-saving control system, comprising:
Determine the current carload and live load operation gear of vehicle；
Gear adjustment signal is exported to the multistate switch according to the live load operation gear, makes the multistate switch
It is configured to the live load operation gear.
The control method can make according to the live load operation gear of load-carrying working condition automatic adjusument multistate switch
Engine operates in different states to reduce fuel consumption, improves adjusting control precision, thus effectively polymorphic by adjusting
The load-carrying operation gear of switch come improve engine operation rate of load condensate, further decrease engineering truck and start in hauling operation
The fuel consumption of machine.
Based on identical inventive concept, the present invention also provides a kind of applied to vehicle motor described in preceding solution
The control device of energy-saving control system, comprising:
Processing module, for determining the current carload and live load operation gear of vehicle；
First output module polymorphic is opened for exporting gear adjustment signal according to the live load operation gear to described
It closes, the multistate switch is made to be configured to the live load operation gear.
The control device can make according to the live load operation gear of load-carrying working condition automatic adjusument multistate switch
Engine operates in different states to reduce fuel consumption, is effectively improved by adjusting the load-carrying operation gear of multistate switch
The rate of load condensate of engine operation, further decreases the fuel consumption of engineering truck engine in hauling operation.
The present invention also provides a kind of engineering truck, the energy conservation including vehicle motor described in aforementioned any technical solution
Control system effectively improves engine operating load rate by adjusting the load-carrying operation gear of multistate switch, reduces engineering
The fuel consumption of vehicle engine in hauling operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of energy-saving control system of vehicle motor of the present invention；
Fig. 2 be vehicle motor of the present invention one embodiment of energy-saving control system in engine electronic control unit with it is polymorphic
The attachment structure schematic diagram of switch；
Fig. 3 is the universal characteristic curve of engine signal in one embodiment of energy-saving control system of vehicle motor of the present invention
Figure；
Fig. 4 is the structural schematic diagram of another embodiment of energy-saving control system of vehicle motor of the present invention；
Fig. 5 is the structural schematic diagram of the energy-saving control system 3rd embodiment of vehicle motor of the present invention；
Fig. 6 is the flow diagram of one embodiment of control method of the energy-saving control system of vehicle motor of the present invention；
Fig. 7 is the flow diagram of another embodiment of control method of the energy-saving control system of vehicle motor of the present invention；
Fig. 8 is the structural schematic diagram of one embodiment of control device of the energy-saving control system of vehicle motor of the present invention；
Fig. 9 is the structural schematic diagram of another embodiment of control device of the energy-saving control system of vehicle motor of the present invention；
Figure 10 is the structural schematic diagram of the control device 3rd embodiment of the energy-saving control system of vehicle motor of the present invention；
Figure 11 is the structural schematic diagram of one embodiment of engineering truck of the present invention.
Appended drawing reference:
1- multistate switch 2- control device 3- Engine ECU
4- distance measuring sensor 5- velocity sensor 6- displacement sensor
10- processing module 11- the first output module the first receiving module of 12-
13- the second receiving module 14- the second output module 15- third receiving module
The chassis 16- gas source 17- rear guard 18- cover board
19- mounting box
Specific embodiment
In order to effectively by adjusting the load-carrying operation gear of multistate switch to improve the rate of load condensate of engine operation, into one
Step reduces the fuel consumption of engineering truck engine in hauling operation, and the embodiment of the invention provides a kind of sections of vehicle motor
It can control system, method, apparatus and engineering truck.In the technical scheme, control device can be in real time according to load-carrying operation work
The live load operation gear of condition automatic adjusument multistate switch, and then engine is made to operate in different states to reduce oil consumption
Amount improves adjusting control precision, to effectively improve engine fortune by adjusting the load-carrying operation gear of multistate switch
Capable rate of load condensate further decreases the fuel consumption of engineering truck engine in hauling operation.
With specific embodiment and it is described with reference to the accompanying drawings the present invention below.
As shown in FIG. 1 to 3, the energy-saving control system of vehicle motor provided by first embodiment of the invention, comprising:
Multistate switch 1 is provided at least two load-carrying operation gears；
Control device 2 is connect with 1 signal of multistate switch, for determining the current carload and live load of vehicle
Operation gear；And gear adjustment signal is exported to multistate switch 1 according to live load operation gear, it is configured to multistate switch 1
Live load operation gear；
Engine ECU (Electronic Control Unit, electronic control unit) 3, connect with 1 signal of multistate switch,
For storing the engine test bench characteristic curve corresponding with each load-carrying operation gear of setting, and according to multistate switch 1
Live load operation gear controls the torque and revolving speed that engine output is not more than corresponding engine test bench characteristic curve limit.
The type of control device 2 is unlimited, for example, programmable controller or vehicle-mounted central processor etc..
Multistate switch 1 be arranged load-carrying operation gear number it is unlimited, with specific reference to the carload to engineering truck into
Row subregion determine, for example, the carload of engineering truck can be divided into: underloading, be lightly loaded corresponding carload section be G1~
G2；Middle load, middle to carry corresponding carload section be G2~G3, and heavy duty, the corresponding carload section of heavy duty be G3~
G4, at this point, there are three load-carrying operation gear, underloading operation gears respectively corresponding with underloading, with middle load for the setting of multistate switch 1
Corresponding middle load operation gear, heavily loaded operation gear corresponding with heavy duty.
As shown in figure 3, in the engine test bench characteristic curve corresponding with each load-carrying operation gear of setting, each
Engine test bench characteristic curve with specific reference to engineering truck engine MAP, and by engineering truck corresponding
It can satisfy the requirement progress Experimental Calibration that engineering truck shift accelerates, overtakes other vehicles and climb under load-carrying operation gear, for example, with
It is lightly loaded the corresponding underloading engine test bench characteristic curve (in Fig. 2 shown in III) of operation gear, it is corresponding with middle load operation gear
Middle load engine test bench characteristic curve (in Fig. 2 shown in II), heavy-duty engine external characteristic curve corresponding with heavily loaded operation gear
(in Fig. 2 shown in I).
Engine ECU is connected especially by realization is electrically connected, as shown in Figure 2 with the signal of multistate switch, it can be seen that
One group of resistance is concatenated between two stitch of engine electronic control unit 3, the different load-carrying operation gears of multistate switch 1 are corresponding
Different resistance values, Engine ECU 3 make engine operate in different states, each state by detecting different voltage values
A corresponding engine test bench characteristic curve, so that engine be made to operate in corresponding engine test bench characteristic according to load-carrying operation gear
In the torque of curve limit, rotary speed area, the fuel consumption of engine is reduced.
The course of work of control system provided in an embodiment of the present invention is as follows:
Control device 2 determines the current carload of vehicle, and then determines live load operation gear, control device 2
According to determining live load operation gear output gear adjustment signal to multistate switch 1, multistate switch 1 is made to be configured to live load
Operation gear；It is not more than at this point, Engine ECU 3 controls engine output according to the live load operation gear of multistate switch 1
The torque and revolving speed of corresponding engine test bench characteristic curve limit, that is to say, that engine at this time can be according to current load
Heavy work operating condition is run in the torque, rotary speed area of corresponding engine test bench characteristic curve limit.
It should be noted that when control device 2 determines live load operation gear according to the current carload of vehicle, tool
Body can store multiple load-carrying operation gears in control device 2, and the corresponding vehicle set of each load-carrying operation gear carries
Lotus section, control device 2 judge carload section belonging to current carload, so that it is determined that live load operation gear.
It needs driver artificially to judge the load-carrying working condition of current engineering truck in compared to the prior art and stirs polymorphic
Switch, by the above-mentioned course of work it is found that in the embodiment of the present invention, control device can automatically determine the current carload of vehicle
And live load operation gear, so that controlling multistate switch adaptive configuration is live load operation gear, to adjust hair
The output torque of motivation and revolving speed are to reduce the fuel consumption of engine.Therefore, the embodiment of the present invention can be according to load-carrying operation work
The live load operation gear of condition automatic adjusument multistate switch makes engine operate in different states to reduce fuel consumption,
Adjusting control precision is improved, to effectively improve engine operation by adjusting the load-carrying operation gear of multistate switch
Rate of load condensate further decreases the fuel consumption of engineering truck engine in hauling operation.
In embodiments of the present invention, control device determines there are many ways to current carload of vehicle, due to vehicle
Different carloads can be embodied by the different structure of vehicle, for example, pass through the distance between bottom of frame and ground
It embodies, alternatively, being embodied when vehicle uses hydro-pneumatic suspension system by the decrement of bottom of frame shock-absorbing spring.That is
The current carload of vehicle can be determining according to the distance between bottom of frame and ground, can also be according to bottom of frame vibration damping
The decrement of spring determines.
As shown in figure 4, in the second embodiment of the present invention, on the basis of first embodiment, the energy-saving control system, also
Include:
Distance measuring sensor 4, for detecting the distance between bottom of frame and ground；
Control device 2 is further connect with 4 signal of distance measuring sensor, specifically for according to the bottom of frame that receives with
The corresponding relationship of the distance between the distance between ground, bottom of frame and ground between carload, determines working as vehicle
Preceding carload.
It should be noted that the corresponding relationship between the distance between bottom of frame and ground and carload, specific logical
Cross and the different working condition tests of engineering truck be determined, for example, the distance between bottom of frame and ground and carload it
Between corresponding relationship can be specially
G=K × H,
Wherein, G is the carload of engineering truck, and K is proportionality coefficient, and H is the distance between bottom of frame and ground.
In a second embodiment, distance measuring sensor 4 detects the distance between bottom of frame and ground, and the distance is sent
To control device 2, control device 2 is according between the distance between bottom of frame and ground received, bottom of frame and ground
Distance and carload between corresponding relationship, determine the current carload of vehicle, and then determine live load operation shelves
Position, control device 2, to multistate switch 1, make multistate switch 1 according to determining live load operation gear output gear adjustment signal
It is configured to live load operation gear；It is sent out at this point, Engine ECU 3 is controlled according to the live load operation gear of multistate switch 1
Motivation output is not more than the torque and revolving speed of corresponding engine test bench characteristic curve limit, that is to say, that engine at this time can
It is enough to be run in torque that corresponding external characteristic curve limits, rotary speed area according to current load-carrying working condition.
In the process of moving due to engineering truck, road surface is uneven, it is possible to occur between bottom of frame and ground
Distance can not accurately reflect the case where carload of engineering truck.
With continued reference to shown in Fig. 4, therefore on the basis of second embodiment, provided as one embodiment of the present invention
Energy-saving control system, further includes:
Velocity sensor 5, for detecting the current vehicle speed of vehicle；
Control device 2 is further connect with 5 signal of velocity sensor, for when current vehicle speed is not zero, output to be detected
Signal is controlled distance measuring sensor 4 and is detected between bottom of frame and ground with the first interval time of setting to distance measuring sensor 4
Distance；And it is specifically used for:
According to the distance between bottom of frame and ground received in the second interval time of setting section and median
Algorithm determines the reference distance between bottom of frame and ground；According to the distance between bottom of frame and ground and carload it
Between corresponding relationship, determine the current carload of vehicle corresponding to the reference distance.
It should be noted that the first interval time and the second interval time are unlimited, with specific reference to the traveling road of engineering truck
Face situation determines that the second interval time was greater than for the first interval time, that is to say, that control device energy within the second interval time
Enough receive the distance between the bottom of frame detected at least twice and the ground of distance measuring sensor sending.
In the present invention is implemented, when current vehicle speed is not zero, that is to say, that engineering truck is during traveling, control
The output of device 2 detection signal controls distance measuring sensor 4 with the first interval time of setting and detects vehicle frame bottom to distance measuring sensor 4
The distance between portion and ground, i.e. distance measuring sensor 4 are detected according to the first interval time of setting, and by each detection
Value is sent to control device 2；Control device 2 will be in the second interval time of setting section between the bottom of frame received and ground
Distance, the reference distance between bottom of frame and ground is determined according to median algorithm；And then according to bottom of frame and ground
The distance between corresponding relationship between carload, determine the current whole of vehicle corresponding corresponding to the reference distance
Vehicle-mounted lotus.
It follows that distance measuring sensor is periodically detected according to the first interval time, control device is according between second
Every the distance between the bottom of frame and ground received in the time, and according to median algorithm determine bottom of frame and ground it
Between reference distance, can be effectively prevented road surface it is uneven to according to the distance between bottom of frame and ground determine vehicle
Influence when load makes engine operate in different states to reduce fuel consumption, adjusting control precision is improved, thus effectively
Ground improves the rate of load condensate of engine operation by adjusting the load-carrying operation gear of multistate switch, further decreases engineering truck and exists
The fuel consumption of engine in hauling operation.
Further, as another preferred embodiment of the invention, control device 2, being further used for current vehicle speed is zero
When, gear adjustment signal is exported to multistate switch 1, and multistate switch 1 is made to be configured to the maximum load-carrying operation gear of allowable load.
Multistate switch 1 is configured to the maximum load-carrying operation gear of allowable load, for example, when multistate switch includes underloading operation
When gear, middle load operation gear and heavily loaded operation gear, heavily loaded operation gear is the maximum load-carrying operation gear of allowable load.
In the present embodiment, current vehicle speed zero, i.e., current engineering truck are in dead ship condition, and control device 2 exports shelves
Position adjustment signal makes multistate switch 1 be configured to the maximum load-carrying operation gear of allowable load, enables to work to multistate switch 1
For journey vehicle in starting, the peak torque that engine can be allowed with output engine meets the starting requirement of engineering truck.
As shown in figure 5, in the third embodiment of the present invention, on the basis of first embodiment, the energy-saving control system, also
Include:
Displacement sensor 6, for detecting the decrement of bottom of frame shock-absorbing spring；
Control device 2 is further connect with 6 signal of displacement sensor, specifically for being subtracted according to the bottom of frame received
The decrement of vibration spring, the corresponding relationship between the decrement and carload of bottom of frame shock-absorbing spring, determine working as vehicle
Preceding carload.
In the third embodiment, displacement sensor 6 detects the decrement of bottom of frame shock-absorbing spring, and the decrement is sent out
It send to control device 2, decrement of the control device 2 according to the bottom of frame shock-absorbing spring received, bottom of frame shock-absorbing spring
Decrement and carload between corresponding relationship, determine the current carload of vehicle, and then determine live load operation
Gear, control device 2, to multistate switch 1, make polymorphic open according to determining live load operation gear output gear adjustment signal
It closes 1 and is configured to live load operation gear；At this point, Engine ECU 3 is controlled according to the live load operation gear of multistate switch
Engine output is not more than the torque and revolving speed of corresponding engine test bench characteristic curve limit.
Based on identical inventive concept, as shown in fig. 6, fourth embodiment of the invention additionally provides and a kind of is applied to aforementioned the
The control method for the vehicle engine energy-saving control system that one embodiment provides, comprising:
Step 601: determining the current carload and live load operation gear of vehicle；
It may include step 1 before step 601: receiving the distance between bottom of frame and ground, at this point, step 601,
Specifically:
It is carried according to the distance between the distance between bottom of frame and ground received, bottom of frame and ground and vehicle
Corresponding relationship between lotus determines the current carload of vehicle.
Certainly, it can also include step 2 before step 601: receive the decrement of bottom of frame shock-absorbing spring, at this point, step
Rapid 601, specifically:
It is carried according to the decrement of the bottom of frame shock-absorbing spring received, the decrement of bottom of frame shock-absorbing spring and vehicle
Corresponding relationship between lotus determines the current carload of vehicle.
Step 602: gear adjustment signal being exported to multistate switch according to live load operation gear, configures multistate switch
For live load operation gear.
As one preferred embodiment of control method of the present invention, on the basis of fourth embodiment, further includes:
Receive the distance between bottom of frame and ground；
Determine the current carload of vehicle, specifically:
It is carried according to the distance between the distance between bottom of frame and ground received, bottom of frame and ground and vehicle
Corresponding relationship between lotus determines the current carload of vehicle.
As the another preferred embodiment of control method of the present invention, on the basis of control method provided by the above embodiment
On, further comprise:
Receive the current vehicle speed of vehicle；
When current vehicle speed is not zero, output detection signal to distance measuring sensor, control distance measuring sensor with set the
One interval time detected the distance between bottom of frame and ground；
It is carried according to the distance between the distance between bottom of frame and ground received, bottom of frame and ground and vehicle
Corresponding relationship between lotus determines the current carload of vehicle, specifically:
According to the distance between bottom of frame and ground received in the second interval time of setting section and median
Algorithm determines the reference distance between bottom of frame and ground；According to the distance between bottom of frame and ground and carload it
Between corresponding relationship, determine the current carload of vehicle corresponding to the reference distance.
As the another preferred embodiment of control method of the present invention, on the basis of control method provided by the above embodiment
On, further comprise:
When current vehicle speed is zero, gear adjustment signal is exported to multistate switch, multistate switch is made to be configured to allowable load
Maximum load-carrying operation gear.
The beneficial effect of the above various embodiments is the same, is not repeated herein and repeats.
It is illustrated in figure 7 one preferred embodiment of control method of the present invention, comprising:
Step 701: receiving the current vehicle speed of vehicle；
Step 702: judging whether current vehicle speed is zero, if so, executing step 703, otherwise, execute step 704；
Step 703: output gear adjustment signal makes multistate switch be configured to the maximum load-carrying of allowable load to multistate switch
Operation gear；
Step 704: output detection signal to distance measuring sensor, the first interval time inspection for controlling distance measuring sensor to set
Survey the distance between bottom of frame and ground；
Step 705: according to the distance between bottom of frame and ground received in the second interval time of setting section with
And median algorithm determines the reference distance between bottom of frame and ground；According to the distance between bottom of frame and ground with it is whole
Corresponding relationship between vehicle-mounted lotus determines the current carload of vehicle corresponding to the reference distance；
Step 706: determining live load operation gear；
Step 707: gear adjustment signal being exported to multistate switch according to live load operation gear, configures multistate switch
For live load operation gear.
Control method provided in this embodiment can work as front bearing according to load-carrying working condition automatic adjusument multistate switch
Heavy work gear makes engine operate in different states to reduce fuel consumption, adjusting control precision is improved, thus effectively
The rate of load condensate of engine operation is improved by adjusting the load-carrying operation gear of multistate switch, engineering truck is further decreased and is transporting
The fuel consumption of engine in defeated operation.
Based on identical inventive concept, as shown in figure 8, fifth embodiment of the invention additionally provides and a kind of is applied to aforementioned the
The control device for the vehicle engine energy-saving control system that one embodiment provides, comprising:
Processing module 10, for determining the current carload and live load operation gear of vehicle；
First output module 11 makes for exporting gear adjustment signal to multistate switch according to live load operation gear
Multistate switch is configured to live load operation gear.
It,, should on the basis of five embodiments as a preferred embodiment of control device of the present invention referring to shown in Fig. 9
Control device further include: the first receiving module 12, for receiving the distance between bottom of frame and ground；
Processing module 10, specifically for according to the distance between bottom of frame and ground received, bottom of frame and ground
Corresponding relationship between the distance between face and carload determines the current carload of vehicle.
With continued reference to shown in Fig. 9, as a preferred embodiment of control device of the present invention, in control provided by the above embodiment
On the basis of device processed, the control device further include: the second receiving module 13, for receiving the current vehicle speed of vehicle；
Second output module 14, for when current vehicle speed is not zero, output detection signal to distance measuring sensor, control to be surveyed
The distance between bottom of frame and ground are detected with the first interval time set away from sensor；
Processing module 10, specifically for according to the bottom of frame and ground received in the second interval time of setting section it
Between distance and median algorithm determine the reference distance between bottom of frame and ground；According between bottom of frame and ground
Distance and carload between corresponding relationship, determine the current carload of vehicle corresponding to the reference distance.
As a preferred embodiment of control device of the present invention, on the basis of control device provided by the above embodiment,
Second output module 14 is also used to when current vehicle speed is zero, is exported gear adjustment signal to multistate switch, is matched multistate switch
It is set to the maximum load-carrying operation gear of allowable load.
It,, should on the basis of five embodiments as a preferred embodiment of control device of the present invention referring to Fig.1 shown in 0
Control device further include: third receiving module 15, for receiving the decrement of bottom of frame shock-absorbing spring；
Processing module 10, specifically for the decrement according to the bottom of frame shock-absorbing spring received, bottom of frame vibration damping
Corresponding relationship between the decrement and carload of spring determines the current carload of vehicle.
Control device provided in an embodiment of the present invention being capable of working as according to load-carrying working condition automatic adjusument multistate switch
Front bearing heavy work gear makes engine operate in different states to reduce fuel consumption, thus effectively by adjusting polymorphic open
The load-carrying operation gear of pass come improve engine operation rate of load condensate, further decrease engineering truck engine in hauling operation
Fuel consumption.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.If integrated module with
The form of software function module is realized and when sold or used as an independent product, also can store computer-readable at one
It takes in storage medium.
The embodiment of the invention also provides a kind of engineering truck, the vehicle motor that provides including aforementioned any embodiment
Energy-saving control system, compared to the prior art in artificially adjust multistate switch, the control device in the present embodiment can be according to load
The live load operation gear of heavy work operating condition automatic adjusument multistate switch, so make engine operate in different states with
Fuel consumption is reduced, effectively engine operating load rate is improved by adjusting the load-carrying operation gear of multistate switch, reduces work
The fuel consumption of journey vehicle engine in hauling operation.
Engineering truck can be, but not limited to concrete mixer truck, be not specifically limited herein.
When engineering truck is concrete mixer truck, it is most likely that concrete splash occur to distance measuring sensor or hydraulic
The case where oily pollution distance measuring sensor, causes the measurement accuracy of distance measuring sensor to decline and even damages.
Therefore, as another preferred embodiment of the invention, referring to Fig.1 shown in 1, which includes chassis gas
Source 16, rear guard 17, the mounting box 19 of cover board 18 and the placement distance measuring sensor being detachably connected with cover board 18,
In, cover board 18 is fixed between chassis gas source 16 and rear guard 17 and with the bottom of vehicle frame.
The bottom of cover board and vehicle frame can be by being welded and fixed, naturally it is also possible to be connected by fastener (such as bolt).
When the distance measuring sensor installation of the present embodiment, distance measuring sensor is placed in mounting box, then mounting box is connect with cover board, is installed
Box can be connect with cover board by fastener (such as bolt).Since cover board is between chassis gas source and rear guard, peace
Distance measuring sensor after dress can be effectively prevented concrete splash to distance measuring sensor or hydraulic oil pollution distance measuring sensor
The case where occur, improve distance measuring sensor measurement reliability.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (13)
1. a kind of energy-saving control system of vehicle motor characterized by comprising
Multistate switch is provided at least two load-carrying operation gears；
Control device is connect with the multistate switch signal, and the current carload and live load for determining vehicle are made
Industry gear；And gear adjustment signal is exported to the multistate switch according to the live load operation gear, make described polymorphic open
Pass is configured to the live load operation gear；
Engine electronic control unit is connect with the multistate switch signal, for store setting with each load-carrying operation
The corresponding engine test bench characteristic curve of gear, and it is defeated according to the live load operation gear of multistate switch control engine
It is not more than the torque and revolving speed of corresponding engine test bench characteristic curve limit out；
Further include:
Distance measuring sensor, for detecting the distance between bottom of frame and ground；
The control device is further connect with the distance measuring sensor signal, specifically for according to the vehicle frame received
The corresponding relationship of the distance between the distance between bottom and ground, bottom of frame and ground between carload, determines vehicle
Current carload；
Further include:
Velocity sensor, for detecting the current vehicle speed of vehicle；
The control device is further connect with the speed sensor signal, defeated for when the current vehicle speed is not zero
Detection signal controls the distance measuring sensor with the first interval time set and detects bottom of frame to the distance measuring sensor out
The distance between ground；And it is specifically used for:
According to the distance between bottom of frame and ground received in the second interval time of setting section and median algorithm
Determine the reference distance between bottom of frame and ground；According between the distance between bottom of frame and ground and carload
Corresponding relationship determines the current carload of vehicle corresponding to the reference distance.
2. energy-saving control system as described in claim 1, which is characterized in that the control device is further used for when described
When current vehicle speed is zero, gear adjustment signal is exported to the multistate switch, the multistate switch is made to be configured to allowable load most
Big load-carrying operation gear.
3. energy-saving control system as described in claim 1, which is characterized in that at least two load-carryings operation gear includes light
Carry operation gear, middle load operation gear and heavily loaded operation gear.
4. a kind of engineering truck, which is characterized in that the energy conservation including vehicle motor as claimed in any one of claims 1 to 3
Control system.
5. engineering truck as claimed in claim 4, which is characterized in that the engineering truck is concrete mixer truck, described mixed
Mixer lorry includes chassis gas source, rear guard, and cover board and the placement ranging being detachably connected with the cover board sense
The mounting box of device, wherein the cover board is fixed between chassis gas source and rear guard and with the bottom of the vehicle frame.
6. a kind of control method applied to vehicle engine energy-saving control system described in claim 1, which is characterized in that packet
It includes:
Determine the current carload and live load operation gear of vehicle；
Gear adjustment signal is exported to the multistate switch according to the live load operation gear, configures the multistate switch
For the live load operation gear.
7. control method as claimed in claim 6, which is characterized in that further include:
Receive the distance between bottom of frame and ground；
The current carload of the determining vehicle, specifically:
It is carried according to the distance between the distance between described bottom of frame and ground received, bottom of frame and ground and vehicle
Corresponding relationship between lotus determines the current carload of vehicle.
8. control method as claimed in claim 7, which is characterized in that further include:
Receive the current vehicle speed of vehicle；
When the current vehicle speed is not zero, output detection signal to the distance measuring sensor, control the distance measuring sensor with
First interval time of setting detects the distance between bottom of frame and ground；
The distance between the distance between the bottom of frame that the basis receives and ground, bottom of frame and ground with it is whole
Corresponding relationship between vehicle-mounted lotus determines the current carload of vehicle, specifically:
According to the distance between bottom of frame and ground received in the second interval time of setting section and median algorithm
Determine the reference distance between bottom of frame and ground；According between the distance between bottom of frame and ground and carload
Corresponding relationship determines the current carload of vehicle corresponding to the reference distance.
9. control method as claimed in claim 8, which is characterized in that further include:
When the current vehicle speed is zero, gear adjustment signal is exported to the multistate switch, is configured to the multistate switch
The maximum load-carrying operation gear of allowable load.
10. a kind of control device applied to vehicle engine energy-saving control system described in claim 1, which is characterized in that
Include:
Processing module, for determining the current carload and live load operation gear of vehicle；
First output module is used for according to live load operation gear output gear adjustment signal to the multistate switch,
The multistate switch is set to be configured to the live load operation gear.
11. control device as claimed in claim 10, which is characterized in that further include:
First receiving module, for receiving the distance between bottom of frame and ground；
The processing module, specifically for according to the distance between described bottom of frame for receiving and ground, bottom of frame and
Corresponding relationship between the distance between ground and carload determines the current carload of vehicle.
12. control device as claimed in claim 11, which is characterized in that further include:
Second receiving module, for receiving the current vehicle speed of vehicle；
Second output module, for when the current vehicle speed is not zero, output detection signal to the distance measuring sensor to be controlled
The distance measuring sensor detects the distance between bottom of frame and ground with the first interval time set；
The processing module, specifically for according in the second interval time of setting section between the bottom of frame received and ground
Distance and median algorithm determine the reference distance between bottom of frame and ground；According between bottom of frame and ground
Corresponding relationship between distance and carload determines the current carload of vehicle corresponding to the reference distance.
13. control device as claimed in claim 12, which is characterized in that second output module is also used to work as when described
When preceding speed is zero, output gear adjustment signal to the multistate switch makes the multistate switch be configured to allowable load maximum
Load-carrying operation gear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410399004.1A CN105332805B (en) | 2014-08-13 | 2014-08-13 | Energy-saving control system, method and device of vehicle engine and engineering vehicle |
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| CN201410399004.1A CN105332805B (en) | 2014-08-13 | 2014-08-13 | Energy-saving control system, method and device of vehicle engine and engineering vehicle |
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| CN105332805B true CN105332805B (en) | 2018-12-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503850A (en) * | 2017-08-25 | 2017-12-22 | 潍柴西港新能源动力有限公司 | Engine test bench characteristic automatic dialing unit and automatic selecting method based on load-carrying |
| CN108104959A (en) * | 2017-12-13 | 2018-06-01 | 天津雷沃发动机有限公司 | A kind of non-road engines electronic controlled power output control method |
| CN110735726B (en) * | 2019-11-05 | 2021-09-28 | 长沙赛搏机器智能有限公司 | Energy-saving control method for engine of engineering machinery |
| CN112728068B (en) | 2020-12-21 | 2021-12-21 | 厦门雅迅网络股份有限公司 | Vehicle energy-saving control method, storage medium, vehicle control system and vehicle |
| CN113787976A (en) * | 2021-09-06 | 2021-12-14 | 安徽江淮汽车集团股份有限公司 | Special vehicle speed regulating mechanism and speed regulating method |
| CN114718743B (en) * | 2022-04-22 | 2024-02-09 | 广西玉柴机器股份有限公司 | Method for performing intelligent driving auxiliary control according to vehicle load |
| CN115199418A (en) * | 2022-07-15 | 2022-10-18 | 湖南道依茨动力有限公司 | Engineering equipment torque limiting method and system, engine, engineering equipment |
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| CN105332805A (en) | 2016-02-17 |
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