CN105270400B - The cruise control apparatus of vehicle - Google Patents
The cruise control apparatus of vehicle Download PDFInfo
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- CN105270400B CN105270400B CN201410312313.0A CN201410312313A CN105270400B CN 105270400 B CN105270400 B CN 105270400B CN 201410312313 A CN201410312313 A CN 201410312313A CN 105270400 B CN105270400 B CN 105270400B
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Abstract
A kind of cruise control apparatus of vehicle, is electrically connected to an engine, a motor and a storage battery, and the cruise control apparatus includes：One storage battery detector, detecting the storage battery and having remained residual electricity and corresponded to output one has electric signal；One constant speed detector, detect the vehicle and be in a constant velocity state and one fixed speed signal of corresponding output；One revolution detector, the constant speed detector is electrically connected to, the revolution detector at least receives the fixed speed signal and correspondingly detects the engine and export a rotating speed of target value, and the rotating speed of target value refers to the engine in the engine speed value of the constant velocity state at that time；An and controller, it is electrically connected to the storage battery detector and the revolution detector, wherein the controller, which receives this, has electric signal to stop output power with the fixed speed signal and the corresponding at least cylinder for controlling the engine, and the controller, which receives the rotating speed of target value and corresponded to, exports a motor torque value to control the motor running to maintain the engine in the rotating speed of target value.
Description
Technical field
The present invention is on a kind of control device of vehicle, particularly relates to a kind of cruise control apparatus of vehicle.
Background technology
Automobile is the vehicles fairly common in daily life, wherein for persistently travelling on smooth road (as at a high speed
Highway) for, driver would generally control vehicle to keep fixed speed to advance, to save oil consumption.With the development of science and technology mesh
It is preceding also to develop a kind of cruise cruise control for being loaded into vehicle on the market, make driver to operate in the process of moving and open
Dynamic cruise cruise control, to control vehicle cruise constant speed, driver is just not required to step on the gas again afterwards, and vehicle can keep fixed speed
Degree advances, and reaches and saves oil consumption, driver and be not required to be continuously stepping on throttle and reduce degree of fatigue and not notably speedometer and energy
The advantages that being enough absorbed in condition of road surface and increasing security.
However, with the new line of environmental consciousness, how countries in the world drop in addition to being directed to lifting vehicle operational performance
Low oil consumption and waste gas discharge and the goal in research paid much attention in recent years and direction are reduced, and vehicle is when cruising constant speed,
Its speed, the operating condition of engine stable and variability relative with torsion demand are low, therefore, are appropriate for dynamic Control and parameter
Setting, therefore how to make vehicle when cruising constant velocity state, oil consumption and drop low exhaust gas emission are further saved, is related dealer
Make great efforts target and the direction that research and development break through.
The content of the invention
In view of above mentioned problem, the present invention provides a kind of cruise control apparatus of vehicle, is electrically connected to an engine, a motor
And a storage battery, the cruise control apparatus include：One storage battery detector, detect the storage battery and remained residual electricity and corresponding output one
There is electric signal；One constant speed detector, detect the vehicle and be in a constant velocity state and one fixed speed signal of corresponding output；One Rotating speed measring
Device, is electrically connected to the constant speed detector, and the revolution detector at least receives the fixed speed signal and correspondingly detects the engine and export
One rotating speed of target value, the rotating speed of target value refer to the engine in the engine speed value of the constant velocity state at that time；And a controller, electricity
It is connected to the storage battery detector and the revolution detector, wherein the controller, which receives this, electric signal and the fixed speed signal and corresponding
An at least cylinder for the engine is controlled to stop output power, the controller receives the rotating speed of target value and the corresponding motor that exports is turned round
Force value is to control the motor running to maintain the engine in the rotating speed of target value.
The cruise control apparatus of above-mentioned vehicle, wherein the constant speed detector include a valve detection module and a speed is examined
Module is surveyed, the valve detection module persistently detects an air throttle of the vehicle and one valve opening variable quantity of corresponding output, the car
Fast detection module persistently detect the travel speed of the vehicle and it is corresponding export a speed variable quantity, wherein the constant speed detector be in
The valve opening variable quantity, which is less than when a preset value and the speed variable quantity are less than a velocity amplitude, exports the fixed speed signal.
The cruise control apparatus of above-mentioned vehicle, wherein the velocity amplitude is between 0~1km/h.
The cruise control apparatus of above-mentioned vehicle, wherein the preset value is between 0~3%.
The cruise control apparatus of above-mentioned vehicle, the wherein revolution detector more detect the engine and export a random rotating speed
Value, the random tachometer value refer to engine speed value of the engine because of random fluctuation, and the controller more receives the random tachometer value simultaneously
The corresponding compensation torque value of output one controls the motor running to compensate, the compensation torque value refer to by the random tachometer value adjust to
The torque value of increase and decrease needed for the rotating speed of target value.
The cruise control apparatus of above-mentioned vehicle, wherein the storage battery detector include an electric power detection module, detect the electricity
Bottle and it is corresponding obtain a residual electric rate, wherein this has electric signal to refer to that the residual electric rate is more than a threshold value.
The cruise control apparatus of above-mentioned vehicle, the wherein controller be by stop oil transportation to the engine this at least one
Cylinder exports power to stop an at least cylinder.
The cruise control apparatus of above-mentioned vehicle, the wherein controller are more carried out by stopping power supply to an at least cylinder
Igniting exports power to stop an at least cylinder.
The cruise control apparatus of above-mentioned vehicle, the wherein motor are a belt-type starter motor, an integrated starting horse
Reach or a separate motor.
In summary, the present invention by vehicle in the case where constant velocity state and storage battery have electricity, by engine at least within
The disconnected cylinder of one cylinder, then the power for going after the disconnected cylinder of compensation engine to be lost by motor outputting torsion, to continue to vehicle
The technical characteristic of constant velocity state, the effect of saving oil consumption and reducing discharge amount of exhaust gas can be reached.
Brief description of the drawings
Fig. 1 is the device block diagram of cruise control apparatus of the present invention；
Fig. 2 is the operation workflow figure of cruise control apparatus of the present invention；
Fig. 3 is another implementation illustration of constant speed detector of the present invention；
Fig. 4 is the operation steps figure of cruise control apparatus of the present invention；
Fig. 5 is the operation workflow figure of another embodiment of cruise control apparatus of the present invention.
Wherein, reference：
The engine of 1 cruise control apparatus 2
The storage battery of 3 motor 4
The storage battery detector of 5 air throttle 10
The constant speed detector of 11 electric power detection module 20
The Bus- Speed Monitoring module of 21 valve detection module 22
The controller of 30 revolution detector 40
D1 has electric signal d2 fixed speed signals
D3 rotating speed of target value d4 motor torque values
D5 valve opening variable quantity d6 speed variable quantities
The random tachometer value d8 compensation torque values of d7
Embodiment
As shown in Figure 1, 2, the present invention provides a kind of cruise control apparatus 1 of vehicle, is electrically connected to engine 2, the horse of vehicle
Up to 3 and storage battery 4.The cruise control apparatus 1 includes storage battery detector 10, constant speed detector 20, revolution detector 30 and control
Device 40.Wherein above-mentioned vehicle can be hybrid electric vehicle, and motor 3 can be belt-type starter motor (Belt-alternator
Starter Generator) or integrated starting motor (Integrated Starter Generator).Or the horse
Separate motor is alternatively up to 3, this part is not limited to.
Storage battery detector 10 is the residual electricity for detecting storage battery 4, and the storage battery detector 10 can remain in storage battery 4
Output one has electric signal d1 when remaining electricity.Or storage battery detector 10 may include there is electric power detection module 11, the electricity inspection
Survey module 11 to can detect the residual electricity of storage battery 4 and correspond to and obtain a residual electric rate, above-mentioned residual electric rate refers to the electricity residual at that time of storage battery 4
Amount is relative to the ratio of Full Charge Capacity, for example, residual electric rate can be 30% or 50% etc. of the Full Charge Capacity of storage battery 4, and storage battery detects
Device 10 is also predeterminable, and when residual electric rate is more than a threshold value, just output has electric signal d1, and this part is not limited to.In addition, the door
Threshold value can be between the 0~20% of the total electricity of storage battery or 20~50%, for example, threshold value can be 5%, 10%, 30% or 40%
Etc., hold depending on actual demand.For example, storage battery detector 10 can just output has electric signal when residual electric rate is more than 30%
d1。
Above-mentioned constant speed detector 20 be for detecting when vehicle is in constant velocity state corresponding output one fixed speed signal d2, it is described
Constant velocity state refers to that vehicle persistently travels on a fixed speed.As shown in figure 3, in a specific embodiment, constant speed detector
20 include valve detection module 21 and Bus- Speed Monitoring module 22, and the valve detection module 21 is to the section of lasting detection vehicle
Valve 5 and one valve opening variable quantity d5 of corresponding output, Bus- Speed Monitoring module 22 are then to the traveling speed of lasting detection vehicle
Spend and correspond to one speed variable quantity d6 of output, wherein constant speed detector 20 is predeterminable default less than one in valve opening variable quantity d5
Value and speed variable quantity d6 just export fixed speed signal d2 when being less than a velocity amplitude.
Hold, in an embodiment, above-mentioned velocity amplitude can be between 0~1km/h, but is not limited thereto, also can between 0~
3km/h or 0~5km/h.And preset value can be between 0~1% or 0~3%, but it is not limited thereto, also can be between 0~5%.Lift
For concrete instance, constant speed detector 20 is to be preset in valve opening variable quantity d5 less than 2% and speed variable quantity d6 to be less than
Fixed speed signal d2 is just exported during 1km/h.
Revolution detector 30 is electrically connected to constant speed detector 20, and the revolution detector 30 receives fixed speed signal d2 and correspondingly
Detecting and alarm 2 simultaneously exports a rotating speed of target value d3, that is to say, that revolution detector 30 can be examined when vehicle is in constant velocity state
Survey the rotating speed at that time of engine 2 and corresponding export rotating speed of target value d3 (such as 1800rpm or 1900rpm), the rotating speed of target value d3
Refer to engine 2 in the engine speed value of constant velocity state at that time.In other words, rotating speed of target value d3 is exactly that vehicle is in constant velocity state
When, the rotating speed of the corresponding speed at that time of engine 2, such as：If vehicle persistently travels on 60kph, revolution detector 30 is detecting and alarm 2
Corresponding to 60kph rotating speed.
Controller noted above 40 is electrically connected to storage battery detector 10 and revolution detector 30, and wherein controller 40 is to receive
It is above-mentioned to there are the electric signal d1 at least cylinders for controlling engine 2 corresponding with during fixed speed signal d2 to stop output power, and controller 40
Receive rotating speed of target value d3 and one motor torque value d4 of corresponding output is to control motor 3 to operate, maintain engine 2 to run on target and turn
Fast value d3.
From the above, just the operating process of the present invention further coordinates brief description of the drawings as follows with step：
As shown in Figure 2,4, it is assumed that driver 60kph to be carried out cruise, first, storage battery detector 10 can first detect storage battery
Whether 4 have electricity, when storage battery 4 has electric or residual electricity to be more than a threshold value (such as residual electricity is more than the 30% of the Full Charge Capacity of storage battery 4)
Output has electric signal d1, and whether in constant velocity state, (i.e. whether vehicle persistently travels on the detection of constant speed detector 20 vehicle
60kph, can be judged by above taking off valve opening variable quantity d5 and speed variable quantity d6), if being exported when vehicle is constant velocity state
Fixed speed signal d2, revolution detector 30 is after fixed speed signal d2 is received, i.e., detecting and alarm 2 corresponds to 60kph rotating speed of target
Value d3 (such as engine 2 is 1800rpm corresponding to 60kph rotating speed), then, controller 40 are receiving electric signal d1, determined
During fast signal d2 and rotating speed of target value d3, that is, in the case where vehicle is in constant velocity state and storage battery 4 has electricity, controller 40
The disconnected cylinder of one of cylinder of engine 2 can be controlled, and controller 40 controls the corresponding motor torque value d4 of the output of motor 3 torsion simultaneously
Power, the power lost with making up engine 2 to break after cylinder, enables the continuous running of engine 2 to allow vehicle to maintain in rotating speed of target value d3
(allow vehicle to continue stabilization in above-mentioned constant velocity state and travel on 60kph), and the mode of disconnected cylinder can be by stopping oil transportation in above-mentioned
Cylinder come reach (as control atomizer stop oil spout).But it can also stop power supply simultaneously in said cylinder to reach (as stopped supplying
Electricity can make to stop stopping igniting etc. into vapour and cigar lighter into porthole), further to save energy loss, this part not office
Limit.
Whereby, when vehicle is in constant velocity state, the present invention exports power by stopping 2 one of cylinder of engine, then leads to
Cross the outputting torsion of motor 3 and remove to compensate engine 2 and break the power lost after cylinder, vehicle is continued to speed, saving can be reached
Oil consumption and reduction discharge amount of exhaust gas.
As shown in figure 5, in this embodiment, wherein the more detecting and alarm 2 of revolution detector 30 and a random tachometer value is exported
D7, random tachometer value d7 refer to engine speed value of the engine 2 because of random fluctuation, for example, the corresponding motor torque value d4 outputs of motor 3
During the power that torsion is lost after cylinder with compensating engine 2 to break, revolution detector 30 can further the rotating speed of detecting and alarm 2 and it is defeated
Go out random tachometer value d7, controller 40, which receives random tachometer value d7, can compare whether identical with rotating speed of target value d3 (vehicle can
Can because be given a shock, the influence of resistance or other factors and cause engine speed unstable or be unable to reach rotating speed of target value
D3) export a compensation torque value d8 and operated with compensating control motor 3, compensation torque value d8 refers to be adjusted by random tachometer value d7
To the torque value increased and decreased needed for rotating speed of target value d3, it is assumed that rotating speed of target value d3 is 1800rpm, and random tachometer value d7 is
1780rpm, then controller 40 judges that both have differed 20rpm, and controller 40 can correspond to above-mentioned 20rpm again and obtain compensation torsion
Value d8, and the corresponding compensation torque value d8 of the output of motor 3 torsion is controlled, engine 2 is run on rotating speed of target value d3, to maintain car
In constant velocity state.In addition, if above-mentioned random tachometer value d7 is identical with rotating speed of target value d3, compensation torque value d8 is zero,
That is motor 3 is not required to additionally increase and decrease outputting torsion again.
In summary, the present invention by vehicle in the case where constant velocity state and storage battery have electricity, by engine at least within
The disconnected cylinder of one cylinder, then the power for going after the disconnected cylinder of compensation engine to be lost by motor outputting torsion, to continue to vehicle
The technical characteristic of constant velocity state, the effect of saving oil consumption and reducing discharge amount of exhaust gas can be reached.
Although the technology contents of the present invention are disclosed above with preferred embodiment, so it is not limited to the present invention,
Any those skilled in the art, make a little change and retouching in the spirit for not departing from the present invention, should all be covered by the present invention
Category in, therefore protection scope of the present invention by claims when being defined.
Claims (8)
1. a kind of cruise control apparatus of vehicle, it is characterised in that be electrically connected to an engine, a motor and a storage battery, the cruise
Control device includes：
One storage battery detector, detecting the storage battery and having remained residual electricity and corresponded to output one has electric signal；
One constant speed detector, detect the vehicle and be in a constant velocity state and one fixed speed signal of corresponding output；
One revolution detector, is electrically connected to the constant speed detector, and the revolution detector at least receives the fixed speed signal and corresponding inspection
Survey the engine and export a rotating speed of target value, the rotating speed of target value refers to the engine in the engine speed of the constant velocity state at that time
Value；And
One controller, is electrically connected to the storage battery detector and the revolution detector, wherein the controller receive this have electric signal with
The fixed speed signal simultaneously correspondingly controls an at least cylinder for the engine to stop output power, and the controller receives the rotating speed of target value simultaneously
It is corresponding to export a motor torque value to control the motor running to maintain the engine in the rotating speed of target value；
Wherein the revolution detector more detect the engine and export a random tachometer value, the random tachometer value refer to the engine because with
The engine speed value that machine changes, the controller more receives the random tachometer value and the corresponding compensation torque value that exports is controlled with compensating
The motor running, the compensation torque value refer to be adjusted to the torque value increased and decreased needed for the rotating speed of target value as the random tachometer value.
2. the cruise control apparatus of vehicle as claimed in claim 1, it is characterised in that wherein the constant speed detector includes a gas
Door detection module and a Bus- Speed Monitoring module, the valve detection module persistently detect an air throttle of the vehicle and corresponding output one
Valve opening variable quantity, the Bus- Speed Monitoring module persistently detect the travel speed of the vehicle and one speed variable quantity of corresponding output,
Wherein the constant speed detector is when the valve opening variable quantity is less than a preset value and the speed variable quantity is less than a velocity amplitude
Export the fixed speed signal.
3. the cruise control apparatus of vehicle as claimed in claim 2, it is characterised in that wherein the velocity amplitude is between 0~1km/
h。
4. the cruise control apparatus of vehicle as claimed in claim 2, it is characterised in that wherein the preset value is between 0~3%.
5. the cruise control apparatus of vehicle as claimed in claim 1, it is characterised in that wherein the storage battery detector includes an electricity
Detection module is measured, detects the storage battery and one residual electric rate of corresponding acquirement, wherein this has electric signal to refer to that the residual electric rate is more than a threshold
Value.
6. the cruise control apparatus of vehicle as claimed in claim 1, it is characterised in that wherein the controller is defeated by stopping
Oil exports power to an at least cylinder for the engine to stop an at least cylinder.
7. the cruise control apparatus of the vehicle as described in claim 1 or 6, it is characterised in that wherein the controller is more by stopping
An at least cylinder is only supplied electricity to be lighted a fire to stop at least cylinder output power.
8. the cruise control apparatus of vehicle as claimed in claim 1, it is characterised in that wherein the motor starts for a belt-type
Motor, an integrated starting motor or a separate motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312313.0A CN105270400B (en) | 2014-07-02 | 2014-07-02 | The cruise control apparatus of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312313.0A CN105270400B (en) | 2014-07-02 | 2014-07-02 | The cruise control apparatus of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105270400A CN105270400A (en) | 2016-01-27 |
| CN105270400B true CN105270400B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410312313.0A Active CN105270400B (en) | 2014-07-02 | 2014-07-02 | The cruise control apparatus of vehicle |
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| CN (1) | CN105270400B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107600069A (en) * | 2017-09-06 | 2018-01-19 | 风度（常州）汽车研发院有限公司 | A kind of constant-speed-cruise control method and constant-speed-cruise control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004115015A (en) * | 2002-08-19 | 2004-04-15 | Seiichi Terui | Running body using automatic coasting device |
| JP4197037B2 (en) * | 2007-03-14 | 2008-12-17 | トヨタ自動車株式会社 | Hybrid vehicle and control method thereof |
| US8073610B2 (en) * | 2007-11-07 | 2011-12-06 | GM Global Technology Operations LLC | Method and apparatus to control warm-up of an exhaust aftertreatment system for a hybrid powertrain |
| US8740744B2 (en) * | 2012-05-07 | 2014-06-03 | Ford Global Technologies, Llc | Adjusting motor torque to compensate for uphill and downhill demands during cruise control in hybrid vehicle |
| JP5987570B2 (en) * | 2012-09-06 | 2016-09-07 | スズキ株式会社 | Shift control device for automatic transmission |
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| CN105270400A (en) | 2016-01-27 |
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