CN105332805A - Energy-saving control system of vehicle engine, method, device and engineering vehicle - Google Patents
Energy-saving control system of vehicle engine, method, device and engineering vehicle Download PDFInfo
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- CN105332805A CN105332805A CN201410399004.1A CN201410399004A CN105332805A CN 105332805 A CN105332805 A CN 105332805A CN 201410399004 A CN201410399004 A CN 201410399004A CN 105332805 A CN105332805 A CN 105332805A
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Abstract
The invention relates to the technical field of engineering vehicles, and discloses an energy-saving control system of a vehicle engine, a method, a device and an engineering vehicle. The energy-saving control system of the vehicle engine, the method, the device and the engineering vehicle are used for increasing the running load rate of the engine and lowering the oil consumption of the engine in the transportation operation process of the engineering vehicle by adjusting load operation gears of a multi-state switch. The system comprises the multi-state switch, the control device and an engine electronic control unit. The multi-state switch is provided with at least two load operation gears. The control device is in signal connection with the multi-state switch and used for determining the current whole vehicle load and the current load operation gear of the vehicle and outputting adjusting signals to the multi-state switch according to the current load operation gear so that the multi-state switch can be configured to the current load operation gear. The engine electronic control unit is in signal connection with the multi-state switch and used for storing a set engine external characteristic curve corresponding to each load operation gear and controlling the engine to output the torque and rotating speed not larger than those limited by the corresponding engine external characteristic curve according to the current load operation gear of the multi-state switch.
Description
Technical field
The present invention relates to engineering vehicle technical field, particularly relate to a kind of energy-saving control system of vehicle motor, method, device and engineering vehicle.
Background technique
Motor is the power source of concrete mixer, along with the rise of oil price, the proportion that hauling operation intermediate fuel oil expense accounts for the operation cost of concrete mixer is increasing, in order to reduce the fuel consumption of motor, prior art sets up the multistate switch be connected with the electronic control unit signal of motor usually, driver stirs multistate switch to corresponding load-carrying operation gear according to the working condition of car load, the moment of torsion that the electronic control unit of motor exports according to the live load operation gear limiting engine of multistate switch and rotating speed, thus in moment of torsion motor being operated in specify and rotary speed area, regulate the Rate of load condensate that the output power of motor and motor run, to reduce the fuel consumption of motor.
But, present inventor finds, prior art judges load-carrying working condition by driver with subjective experience and stirs multistate switch, low and the very difficult guarantee of regulable control precision its all can perform corresponding operation on one's own initiative at every turn, therefore the Rate of load condensate that still there is motor operation is lower, the possibility that engine fuel consumption is more, makes cost of production higher.
Summary of the invention
The invention provides a kind of energy-saving control system of vehicle motor, method, device and engineering vehicle, in order to the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, reduce the fuel consumption of engineering vehicle motor in hauling operation further.
The energy-saving control system of vehicle motor provided by the invention, comprising:
Multistate switch, is provided with at least two load-carrying operation gears;
Control gear, is connected with described multistate switch signal, for determining current carload and the live load operation gear of vehicle; And export gear adjustment signal to described multistate switch according to described live load operation gear, make described multistate switch be configured to described live load operation gear;
Engine electronic control unit, be connected with described multistate switch signal, for storing the engine test bench characteristic curve corresponding with each load-carrying operation gear of setting, and export according to the live load operation gear control motor of described multistate switch the moment of torsion and the rotating speed that are not more than corresponding engine test bench characteristic curve limit.
In technical solution of the present invention, in prior art, need driver artificially judge the load-carrying working condition of current engineering vehicle and stir multistate switch, control gear can determine current carload and the live load operation gear of vehicle in real time automatically, thus control multistate switch adaptive configuration is live load operation gear, thus the output torque of adjustment motor and rotating speed are to reduce the fuel consumption of motor.Therefore, the embodiment of the present invention can according to the live load operation gear of load-carrying working condition Automatic adjusument multistate switch, motor is made to operate in different states to reduce fuel consumption, improve regulable control precision, thus the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, reduce the fuel consumption of engineering vehicle motor in hauling operation further.
Further, this energy-saving control system, also comprises:
Distance measuring sensor, for detecting the distance between bottom of frame and ground;
Described control gear, be connected with described distance measuring sensor signal further, distance between the described bottom of frame received specifically for basis and ground, the distance between bottom of frame and ground and the corresponding relation between carload, determine the current carload of vehicle.
Further, this energy-saving control system, also comprises:
Velocity transducer, for detecting the current vehicle speed of vehicle;
Described control gear, be connected with described speed sensor signal further, for when described current vehicle speed is non-vanishing, output detections signal, to described distance measuring sensor, controls described distance measuring sensor to detect the distance between bottom of frame and ground the first interval time of setting; And specifically for:
Distance between the bottom of frame received in section according to the second interval time of setting and ground and the reference range between median algorithm determination bottom of frame and ground; According to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the vehicle corresponding to described reference range.
Further, described control gear, is further used for when described current vehicle speed is zero, exports gear adjustment signal to described multistate switch, makes described multistate switch be configured to the maximum load-carrying operation gear of allowable load.
Further, this energy-saving control system, also comprises:
Displacement transducer, for detecting the decrement of bottom of frame shock-absorbing spring;
Described control gear, be connected with described displacement transducer signal further, specifically for according to the decrement of described bottom of frame shock-absorbing spring received, corresponding relation between the decrement of bottom of frame shock-absorbing spring and carload, determine the current carload of vehicle.
Preferably, described at least two load-carrying operation gears comprise underloading operation gear, in carry operation gear and heavily loaded operation gear.
Based on identical inventive concept, the present invention also provides a kind of controlling method being applied to vehicle engine energy-saving control system described in preceding solution, comprising:
Determine current carload and the live load operation gear of vehicle;
Export gear adjustment signal to described multistate switch according to described live load operation gear, make described multistate switch be configured to described live load operation gear.
This controlling method can according to the live load operation gear of load-carrying working condition Automatic adjusument multistate switch, motor is made to operate in different states to reduce fuel consumption, improve regulable control precision, thus the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, reduce the fuel consumption of engineering vehicle motor in hauling operation further.
Based on identical inventive concept, the present invention also provides a kind of control gear being applied to vehicle engine energy-saving control system described in preceding solution, comprising:
Puocessing module, for determining current carload and the live load operation gear of vehicle;
First output module, for exporting gear adjustment signal according to described live load operation gear to described multistate switch, makes described multistate switch be configured to described live load operation gear.
This control gear can according to the live load operation gear of load-carrying working condition Automatic adjusument multistate switch, motor is made to operate in different states to reduce fuel consumption, the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, reduces the fuel consumption of engineering vehicle motor in hauling operation further.
Present invention also offers a kind of engineering vehicle, comprise the energy-saving control system of the vehicle motor described in aforementioned arbitrary technological scheme, effectively by regulating the load-carrying operation gear of multistate switch to improve engine operating load rate, decrease the fuel consumption of engineering vehicle motor in hauling operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of energy-saving control system one embodiment of vehicle motor of the present invention;
Fig. 2 is the linkage structure schematic diagram of engine electronic control unit and multistate switch in energy-saving control system one embodiment of vehicle motor of the present invention;
Fig. 3 is the universal characteristic curve of engine schematic diagram in energy-saving control system one embodiment of vehicle motor of the present invention;
Fig. 4 is the structural representation of another embodiment of energy-saving control system of vehicle motor of the present invention;
Fig. 5 is the structural representation of energy-saving control system the 3rd embodiment of vehicle motor of the present invention;
Fig. 6 is the schematic flow sheet of controlling method one embodiment of the energy-saving control system of vehicle motor of the present invention;
Fig. 7 is the schematic flow sheet of another embodiment of controlling method of the energy-saving control system of vehicle motor of the present invention;
Fig. 8 is the structural representation of control gear one embodiment of the energy-saving control system of vehicle motor of the present invention;
Fig. 9 is the structural representation of another embodiment of control gear of the energy-saving control system of vehicle motor of the present invention;
Figure 10 is the structural representation of control gear the 3rd embodiment of the energy-saving control system of vehicle motor of the present invention;
Figure 11 is the structural representation of engineering vehicle one embodiment of the present invention.
Reference character:
1-multistate switch 2-control gear 3-Engine ECU
4-distance measuring sensor 5-velocity transducer 6-displacement transducer
10-puocessing module 11-first output module 12-first receiving module
13-second receiving module 14-second output module 15-the 3rd receiving module
16-chassis source of the gas 17-rear guard 18-cover plate
19-mounting box
Embodiment
In order to the Rate of load condensate effectively by regulating the load-carrying operation gear of multistate switch to run to improve motor, the fuel consumption of further reduction engineering vehicle motor in hauling operation, embodiments provides a kind of energy-saving control system of vehicle motor, method, device and engineering vehicle.In this technological scheme, control gear can in real time according to the live load operation gear of load-carrying working condition Automatic adjusument multistate switch, and then make motor operate in different states to reduce fuel consumption, improve regulable control precision, thus the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, reduce the fuel consumption of engineering vehicle motor in hauling operation further.
The present invention is described with reference to the accompanying drawings below with specific embodiment.
As shown in FIG. 1 to 3, the energy-saving control system of the vehicle motor that first embodiment of the invention provides, comprising:
Multistate switch 1, is provided with at least two load-carrying operation gears;
Control gear 2, is connected with multistate switch 1 signal, for determining current carload and the live load operation gear of vehicle; And export gear adjustment signal to multistate switch 1 according to live load operation gear, make multistate switch 1 be configured to live load operation gear;
Engine ECU (ElectronicControlUnit, electronic control unit) 3, be connected with multistate switch 1 signal, for storing the engine test bench characteristic curve corresponding with each load-carrying operation gear of setting, and export according to the live load operation gear control motor of multistate switch 1 moment of torsion and the rotating speed that are not more than corresponding engine test bench characteristic curve limit.
The type of control gear 2 is not limit, such as, be programmable controller or vehicle-mounted central processor etc.
The number of load-carrying operation gear that multistate switch 1 is arranged is not limit, and specifically determines according to carrying out subregion to the carload of engineering vehicle, and such as, the carload of engineering vehicle can be divided into: underloading, and carload interval corresponding to underloading is G1 ~ G2; In carry, in to carry a corresponding carload interval be G2 ~ G3, and heavy duty, the carload interval of heavy duty correspondence is G3 ~ G4, now, multistate switch 1 is provided with three load-carrying operation gears, is respectively the underloading operation gear corresponding with underloading, with in carry corresponding in year operation gear, the 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 is specifically according to the engine MAP of engineering vehicle, and accelerate by can meet engineering vehicle gearshift under corresponding load-carrying operation gear to engineering vehicle, Experimental Calibration is carried out in the requirement of overtaking other vehicles and climb, such as, the underloading engine test bench characteristic curve (in Fig. 2 III shown in) corresponding with underloading operation gear, with in carry operation gear corresponding in carry engine test bench characteristic curve (in Fig. 2 II shown in), the heavy-duty engine external characteristic curve (in Fig. 2 I shown in) corresponding with heavily loaded operation gear.
Engine ECU is connected with the signal of multistate switch and realizes especially by being electrically connected, as shown in Figure 2, one group of resistance is connected in series between two stitch can finding out engine electronic control unit 3, the resistance that the different load-carrying operation gears of multistate switch 1 are corresponding different, Engine ECU 3 makes motor operate in different states by detecting different magnitude of voltage, the corresponding engine test bench characteristic curve of each state, thus make motor operate in the moment of torsion of corresponding engine test bench characteristic curve limit according to load-carrying operation gear, in rotary speed area, reduce the fuel consumption of motor.
The working procedure of the control system that the embodiment of the present invention provides is as follows:
The current carload of vehicle determined by control gear 2, and then determines live load operation gear, and control gear 2 exports gear adjustment signal to multistate switch 1 according to the live load operation gear determined, makes multistate switch 1 be configured to live load operation gear; Now, Engine ECU 3 controls motor according to the live load operation gear of multistate switch 1 and exports the moment of torsion and the rotating speed that are not more than corresponding engine test bench characteristic curve limit, that is, motor now can run in the moment of torsion, rotary speed area of corresponding engine test bench characteristic curve limit according to current load-carrying working condition.
It should be noted that, during the current carload determination live load operation gear of control gear 2 according to vehicle, specifically can store multiple load-carrying operation gear in control gear 2, the carload of the corresponding setting of each load-carrying operation gear is interval, control gear 2 judges that the carload belonging to current carload is interval, thus determines live load operation gear.
In prior art, need driver artificially judge the load-carrying working condition of current engineering vehicle and stir multistate switch, from above-mentioned working procedure, in the embodiment of the present invention, control gear can determine current carload and the live load operation gear of vehicle automatically, thus control multistate switch adaptive configuration is live load operation gear, thus the output torque of adjustment motor and rotating speed are to reduce the fuel consumption of motor.Therefore, the embodiment of the present invention can according to the live load operation gear of load-carrying working condition Automatic adjusument multistate switch, motor is made to operate in different states to reduce fuel consumption, improve regulable control precision, thus the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, reduce the fuel consumption of engineering vehicle motor in hauling operation further.
In embodiments of the present invention, the method of the current carload of control gear determination vehicle has multiple, because the different carload of vehicle can be embodied by the different structure of vehicle, such as, embodied by the distance between bottom of frame and ground, or, when vehicle adopts hydro-pneumatic suspension system, embodied by the decrement of bottom of frame shock-absorbing spring.That is the current carload of vehicle can be determined according to the distance between bottom of frame and ground, also can determine according to the decrement of bottom of frame shock-absorbing spring.
As shown in Figure 4, in the second embodiment of the present invention, on the basis of the first embodiment, this energy-saving control system, also comprises:
Distance measuring sensor 4, for detecting the distance between bottom of frame and ground;
Control gear 2, is connected with distance measuring sensor 4 signal further, and the distance between the bottom of frame received specifically for basis and ground, the distance between bottom of frame and ground and the corresponding relation between carload, determine the current carload of vehicle.
It should be noted that, distance between bottom of frame and ground and the corresponding relation between carload, determine especially by the different working condition tests of engineering vehicle, such as, the distance between bottom of frame and ground and the corresponding relation between carload can be specially
G＝K×H，
Wherein, G is the carload of engineering vehicle, and K is scaling factor, 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 this distance is sent to control gear 2, control gear 2 is according to the corresponding relation between the distance between the bottom of frame received and ground, distance between bottom of frame and ground and carload, determine the current carload of vehicle, and then determine live load operation gear, control gear 2 exports gear adjustment signal to multistate switch 1 according to the live load operation gear determined, makes multistate switch 1 be configured to live load operation gear; Now, Engine ECU 3 controls motor according to the live load operation gear of multistate switch 1 and exports the moment of torsion and the rotating speed that are not more than corresponding engine test bench characteristic curve limit, that is, motor now can limit at corresponding external characteristic curve according to current load-carrying working condition moment of torsion, run in rotary speed area.
Due to engineering vehicle in the process of moving, road surface is uneven, and the distance likely occurring between bottom of frame and ground accurately cannot reflect the situation of the carload of engineering vehicle.
Continue, with reference to shown in Fig. 4, therefore on the basis of the second embodiment, as the energy-saving control system that one embodiment of the present invention provides, also to comprise:
Velocity transducer 5, for detecting the current vehicle speed of vehicle;
Control gear 2, is connected with velocity transducer 5 signal further, and for when current vehicle speed is non-vanishing, output detections signal, to distance measuring sensor 4, controls distance measuring sensor 4 to detect the distance between bottom of frame and ground the first interval time of setting; And specifically for:
Distance between the bottom of frame received in section according to the second interval time of setting and ground and the reference range between median algorithm determination bottom of frame and ground; According to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the vehicle corresponding to described reference range.
It should be noted that, first interval time and the second interval time are not limit, specifically determine according to the track situation of engineering vehicle, second interval time was greater than for the first interval time, and that is control gear can receive the distance between the bottom of frame of at least twice detection that distance measuring sensor sends and ground within the second interval time.
In the invention process, when current vehicle speed is non-vanishing, that is engineering vehicle is in the process travelled, control gear 2 output detections signal is to distance measuring sensor 4, control distance measuring sensor 4 to detect the distance between bottom of frame and ground the first interval time of setting, namely distance measuring sensor 4 detected according to the first interval time of setting, and each checkout value is sent to control gear 2; Distance between the bottom of frame that second interval time of setting receives in section by control gear 2 and ground, according to the reference range between median algorithm determination bottom of frame and ground; And then according to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the corresponding vehicle corresponding to this reference range.
It can thus be appreciated that, distance measuring sensor detects according to carrying out periodicity the first interval time, control gear is according to the distance between the bottom of frame received in the second interval time and ground, and according to the reference range between median algorithm determination bottom of frame and ground, can effectively prevent road surface uneven on according to impact during distance determination carload between bottom of frame and ground, motor is made to operate in different states to reduce fuel consumption, improve regulable control precision, thus the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, the fuel consumption of further reduction engineering vehicle motor in hauling operation.
Further, as another preferred embodiment of the present invention, control gear 2, when to be further used for current vehicle speed be zero, export gear adjustment signal to multistate switch 1, makes multistate switch 1 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, such as, when multistate switch comprise underloading operation gear, in carry operation gear and heavily loaded operation gear time, heavily loaded operation gear is the maximum load-carrying operation gear of allowable load.
In the present embodiment, current vehicle speed is zero, namely current engineering vehicle is in vehicle stop state, control gear 2 exports gear adjustment signal to multistate switch 1, multistate switch 1 is made to be configured to the maximum load-carrying operation gear of allowable load, can make engineering vehicle start to walk time, motor can output engine allow Maximum Torque, meet the starting requirement of engineering vehicle.
As shown in Figure 5, in the third embodiment of the present invention, on the basis of the first embodiment, this energy-saving control system, also comprises:
Displacement transducer 6, for detecting the decrement of bottom of frame shock-absorbing spring;
Control gear 2, is connected with displacement transducer 6 signal further, specifically for according to the decrement of bottom of frame shock-absorbing spring received, corresponding relation between the decrement of bottom of frame shock-absorbing spring and carload, determines the current carload of vehicle.
In the third embodiment, displacement transducer 6 detects the decrement of bottom of frame shock-absorbing spring, and this decrement is sent to control gear 2, control gear 2 is according to the decrement of the bottom of frame shock-absorbing spring received, corresponding relation between the decrement of bottom of frame shock-absorbing spring and carload, determine the current carload of vehicle, and then determine live load operation gear, control gear 2 exports gear adjustment signal to multistate switch 1 according to the live load operation gear determined, makes multistate switch 1 be configured to live load operation gear; Now, Engine ECU 3 controls motor according to the live load operation gear of multistate switch and exports the moment of torsion and the rotating speed that are not more than corresponding engine test bench characteristic curve limit.
Based on identical inventive concept, as shown in Figure 6, fourth embodiment of the invention additionally provides a kind of controlling method being applied to the vehicle engine energy-saving control system that aforementioned first embodiment provides, and comprising:
Step 601: current carload and the live load operation gear of determining vehicle;
Can step one be comprised: receive the distance between bottom of frame and ground, now, step 601, is specially before step 601:
According to the corresponding relation between the distance between the bottom of frame received and ground, distance between bottom of frame and ground and carload, determine the current carload of vehicle.
Certainly, can also comprise step 2 before step 601: the decrement receiving bottom of frame shock-absorbing spring, now, step 601, is specially:
According to the decrement of the bottom of frame shock-absorbing spring received, corresponding relation between the decrement of bottom of frame shock-absorbing spring and carload, determine the current carload of vehicle.
Step 602: export gear adjustment signal to multistate switch according to live load operation gear, make multistate switch be configured to live load operation gear.
As controlling method one preferred embodiment of the present invention, on the basis of the 4th embodiment, also comprise:
Receive the distance between bottom of frame and ground;
Determine the current carload of vehicle, be specially:
According to the corresponding relation between the distance between the bottom of frame received and ground, distance between bottom of frame and ground and carload, determine the current carload of vehicle.
As the another preferred embodiment of controlling method of the present invention, on the basis of the controlling method provided at above-described embodiment, comprise further:
Receive the current vehicle speed of vehicle;
When current vehicle speed is non-vanishing, output detections signal, to distance measuring sensor, controls distance measuring sensor to detect the distance between bottom of frame and ground the first interval time of setting;
According to the corresponding relation between the distance between the bottom of frame received and ground, distance between bottom of frame and ground and carload, determine the current carload of vehicle, be specially:
Distance between the bottom of frame received in section according to the second interval time of setting and ground and the reference range between median algorithm determination bottom of frame and ground; According to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the vehicle corresponding to this reference range.
As the another preferred embodiment of controlling method of the present invention, on the basis of the controlling method provided at above-described embodiment, comprise further:
When current vehicle speed is zero, exports gear adjustment signal to multistate switch, make multistate switch be configured to the maximum load-carrying operation gear of allowable load.
The beneficial effect of each embodiment is the same above, and it is no longer repeated here.
Be illustrated in figure 7 controlling method one preferred embodiment of the present invention, comprise:
Step 701: the current vehicle speed receiving vehicle;
Step 702: judge whether current vehicle speed is zero, if so, performs step 703, otherwise, perform step 704;
Step 703: export gear adjustment signal to multistate switch, make multistate switch be configured to the maximum load-carrying operation gear of allowable load;
Step 704: output detections signal, to distance measuring sensor, controls distance measuring sensor to detect the distance between bottom of frame and ground the first interval time of setting;
Step 705: the distance between the bottom of frame received in section according to the second interval time of setting and ground and the reference range between median algorithm determination bottom of frame and ground; According to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the vehicle corresponding to this reference range;
Step 706: determine live load operation gear;
Step 707: export gear adjustment signal to multistate switch according to live load operation gear, make multistate switch be configured to live load operation gear.
The controlling method that the present embodiment provides can according to the live load operation gear of load-carrying working condition Automatic adjusument multistate switch, motor is made to operate in different states to reduce fuel consumption, improve regulable control precision, thus the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, reduce the fuel consumption of engineering vehicle motor in hauling operation further.
Based on identical inventive concept, as shown in Figure 8, fifth embodiment of the invention additionally provides a kind of control gear being applied to the vehicle engine energy-saving control system that aforementioned first embodiment provides, and comprising:
Puocessing module 10, for determining current carload and the live load operation gear of vehicle;
First output module 11, for exporting gear adjustment signal according to live load operation gear to multistate switch, makes multistate switch be configured to live load operation gear.
With reference to shown in Fig. 9, as a preferred embodiment of control gear of the present invention, on the basis of the 5th embodiment, this control gear also comprises: the first receiving module 12, for receiving the distance between bottom of frame and ground;
Puocessing module 10, the distance between the bottom of frame received specifically for basis and ground, the distance between bottom of frame and ground and the corresponding relation between carload, determine the current carload of vehicle.
Continue with reference to shown in Fig. 9, as a preferred embodiment of control gear of the present invention, on the basis of the control gear provided at above-described embodiment, this control gear also comprises: the second receiving module 13, for receiving the current vehicle speed of vehicle;
Second output module 14, for when current vehicle speed is non-vanishing, output detections signal, to distance measuring sensor, controls distance measuring sensor to detect the distance between bottom of frame and ground the first interval time of setting;
Puocessing module 10, specifically for according to setting the second interval time the bottom of frame that receives in section and ground between distance and reference range between median algorithm determination bottom of frame and ground; According to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the vehicle corresponding to this reference range.
As a preferred embodiment of control gear of the present invention, on the basis of the control gear provided at above-described embodiment, the second output module 14, also for when current vehicle speed is zero, export gear adjustment signal to multistate switch, make multistate switch be configured to the maximum load-carrying operation gear of allowable load.
With reference to shown in Figure 10, as a preferred embodiment of control gear of the present invention, on the basis of the 5th embodiment, this control gear also comprises: the 3rd receiving module 15, for receiving the decrement of bottom of frame shock-absorbing spring;
Puocessing module 10, specifically for according to the decrement of bottom of frame shock-absorbing spring received, corresponding relation between the decrement of bottom of frame shock-absorbing spring and carload, determines the current carload of vehicle.
The control gear that the embodiment of the present invention provides can according to the live load operation gear of load-carrying working condition Automatic adjusument multistate switch, motor is made to operate in different states to reduce fuel consumption, thus the Rate of load condensate effectively run by regulating the load-carrying operation gear of multistate switch to improve motor, reduce the fuel consumption of engineering vehicle motor in hauling operation further.
In addition, each functional unit in each embodiment of the present invention can be integrated in a puocessing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The embodiment of the present invention additionally provides a kind of engineering vehicle, comprise the energy-saving control system of the vehicle motor that aforementioned any embodiment provides, artificially multistate switch is regulated in prior art, control gear in the present embodiment can according to the live load operation gear of load-carrying working condition Automatic adjusument multistate switch, and then make motor operate in different states to reduce fuel consumption, effectively by regulating the load-carrying operation gear of multistate switch to improve engine operating load rate, decrease the fuel consumption of engineering vehicle motor in hauling operation.
Engineering vehicle can be, but not limited to concrete mixer, is not specifically limited at this.
When engineering vehicle is concrete mixer, very likely there is the situation of concrete splash to distance measuring sensor or hydraulic oil pollution distance measuring sensor, cause the measuring accuracy of distance measuring sensor to decline and even damage.
Therefore, as another preferred embodiment of the present invention, with reference to shown in Figure 11, this concrete mixer comprises chassis source of the gas 16, rear guard 17, cover plate 18 and the mounting box 19 of placement distance measuring sensor removably connected with cover plate 18, wherein, cover plate 18 is fixed between chassis source of the gas 16 and rear guard 17 and with the bottom of vehicle frame.
The bottom of cover plate and vehicle frame by being welded and fixed, can certainly being passed through fastening piece (such as bolt) and connecting.When the distance measuring sensor of the present embodiment is installed, be placed in mounting box by distance measuring sensor, then be connected with cover plate by mounting box, mounting box and cover plate can pass through fastening piece (such as bolt) and be connected.Because cover plate is between chassis source of the gas and rear guard, the distance measuring sensor after installation can prevent concrete splash from occurring to the situation of distance measuring sensor or hydraulic oil pollution distance measuring sensor effectively, improves the reliability that distance measuring sensor is measured.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (18)
1. an energy-saving control system for vehicle motor, is characterized in that, comprising:
Multistate switch, is provided with at least two load-carrying operation gears;
Control gear, is connected with described multistate switch signal, for determining current carload and the live load operation gear of vehicle; And export gear adjustment signal to described multistate switch according to described live load operation gear, make described multistate switch be configured to described live load operation gear;
Engine electronic control unit, be connected with described multistate switch signal, for storing the engine test bench characteristic curve corresponding with each load-carrying operation gear of setting, and export according to the live load operation gear control motor of described multistate switch the moment of torsion and the rotating speed that are not more than corresponding engine test bench characteristic curve limit.
2. energy-saving control system as claimed in claim 1, is characterized in that, also comprise:
Distance measuring sensor, for detecting the distance between bottom of frame and ground;
Described control gear, be connected with described distance measuring sensor signal further, distance between the described bottom of frame received specifically for basis and ground, the distance between bottom of frame and ground and the corresponding relation between carload, determine the current carload of vehicle.
3. energy-saving control system as claimed in claim 2, is characterized in that, also comprise:
Velocity transducer, for detecting the current vehicle speed of vehicle;
Described control gear, be connected with described speed sensor signal further, for when described current vehicle speed is non-vanishing, output detections signal, to described distance measuring sensor, controls described distance measuring sensor to detect the distance between bottom of frame and ground the first interval time of setting; And specifically for:
Distance between the bottom of frame received in section according to the second interval time of setting and ground and the reference range between median algorithm determination bottom of frame and ground; According to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the vehicle corresponding to described reference range.
4. energy-saving control system as claimed in claim 3, it is characterized in that, described control gear, be further used for when described current vehicle speed is zero, export gear adjustment signal to described multistate switch, make described multistate switch be configured to the maximum load-carrying operation gear of allowable load.
5. energy-saving control system as claimed in claim 1, is characterized in that, also comprise:
Displacement transducer, for detecting the decrement of bottom of frame shock-absorbing spring;
Described control gear, be connected with described displacement transducer signal further, specifically for according to the decrement of described bottom of frame shock-absorbing spring received, corresponding relation between the decrement of bottom of frame shock-absorbing spring and carload, determine the current carload of vehicle.
6. energy-saving control system as claimed in claim 1, is characterized in that, described at least two load-carrying operation gears comprise underloading operation gear, in carry operation gear and heavily loaded operation gear.
7. an engineering vehicle, is characterized in that, comprises the energy-saving control system of the vehicle motor as described in any one of claim 1 ~ 6.
8. engineering vehicle as claimed in claim 7, it is characterized in that, described engineering vehicle is concrete mixer, described concrete mixer comprises chassis source of the gas, rear guard, cover plate and the mounting box of placement distance measuring sensor removably connected with described cover plate, wherein, described cover plate to be fixed with the bottom of described vehicle frame between chassis source of the gas and rear guard.
9. be applied to a controlling method for vehicle engine energy-saving control system according to claim 1, it is characterized in that, comprising:
Determine current carload and the live load operation gear of vehicle;
Export gear adjustment signal to described multistate switch according to described live load operation gear, make described multistate switch be configured to described live load operation gear.
10. controlling method as claimed in claim 9, is characterized in that, also comprise:
Receive the distance between bottom of frame and ground;
The described current carload determining vehicle, is specially:
According to the corresponding relation between the distance between the described bottom of frame received and ground, distance between bottom of frame and ground and carload, determine the current carload of vehicle.
11. controlling methods as claimed in claim 10, is characterized in that, also comprise:
Receive the current vehicle speed of vehicle;
When described current vehicle speed is non-vanishing, output detections signal, to described distance measuring sensor, controls described distance measuring sensor to detect the distance between bottom of frame and ground the first interval time of setting;
Distance between the described bottom of frame that described basis receives and ground, the distance between bottom of frame and ground and the corresponding relation between carload, determine the current carload of vehicle, be specially:
Distance between the bottom of frame received in section according to the second interval time of setting and ground and the reference range between median algorithm determination bottom of frame and ground; According to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the vehicle corresponding to described reference range.
12. controlling methods as claimed in claim 11, is characterized in that, also comprise:
When described current vehicle speed is zero, exports gear adjustment signal to described multistate switch, make described multistate switch be configured to the maximum load-carrying operation gear of allowable load.
13. controlling methods as claimed in claim 9, is characterized in that, also comprise:
Receive the decrement of bottom of frame shock-absorbing spring;
The described current carload determining vehicle, is specially:
According to the decrement of described bottom of frame shock-absorbing spring received, corresponding relation between the decrement of bottom of frame shock-absorbing spring and carload, determine the current carload of vehicle.
14. 1 kinds of control gear being applied to vehicle engine energy-saving control system according to claim 1, is characterized in that, comprising:
Puocessing module, for determining current carload and the live load operation gear of vehicle;
First output module, for exporting gear adjustment signal according to described live load operation gear to described multistate switch, makes described multistate switch be configured to described live load operation gear.
15. control gear as claimed in claim 14, is characterized in that, also comprise:
First receiving module, for receiving the distance between bottom of frame and ground;
Described puocessing module, the distance between the described bottom of frame received specifically for basis and ground, the distance between bottom of frame and ground and the corresponding relation between carload, determine the current carload of vehicle.
16. control gear as claimed in claim 15, is characterized in that, also comprise:
Second receiving module, for receiving the current vehicle speed of vehicle;
Second output module, for when described current vehicle speed is non-vanishing, output detections signal, to described distance measuring sensor, controls described distance measuring sensor to detect the distance between bottom of frame and ground the first interval time of setting;
Described puocessing module, specifically for according to setting the second interval time the bottom of frame that receives in section and ground between distance and reference range between median algorithm determination bottom of frame and ground; According to the corresponding relation between the distance between bottom of frame and ground and carload, determine the current carload of the vehicle corresponding to described reference range.
17. control gear as claimed in claim 16, it is characterized in that, described second output module, also for when described current vehicle speed is zero, export gear adjustment signal to described multistate switch, make described multistate switch be configured to the maximum load-carrying operation gear of allowable load.
18. control gear as claimed in claim 14, is characterized in that,
3rd receiving module, for receiving the decrement of bottom of frame shock-absorbing spring;
Described puocessing module, specifically for according to the decrement of described bottom of frame shock-absorbing spring received, corresponding relation between the decrement of bottom of frame shock-absorbing spring and carload, determines the current carload of vehicle.
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| CN201410399004.1A CN105332805B (en) | 2014-08-13 | 2014-08-13 | Energy-saving control system, method, apparatus and the engineering truck of vehicle motor |
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| CN201410399004.1A CN105332805B (en) | 2014-08-13 | 2014-08-13 | Energy-saving control system, method, apparatus and the engineering truck of vehicle motor |
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