CN107685622A - Suspension, suspension control method, electronic control unit, engine ECU and automobile - Google Patents
Suspension, suspension control method, electronic control unit, engine ECU and automobile Download PDFInfo
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- CN107685622A CN107685622A CN201610637718.0A CN201610637718A CN107685622A CN 107685622 A CN107685622 A CN 107685622A CN 201610637718 A CN201610637718 A CN 201610637718A CN 107685622 A CN107685622 A CN 107685622A
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- suspension
- electromagnet
- rigidity value
- control unit
- electronic control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1283—Adjustable supports, e.g. the mounting or the characteristics being adjustable
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
One kind suspension, suspension control method, electronic control unit, Engine ECU and automobile, wherein suspension includes：Housing with inner chamber, the housing are used to be connected with body of a motor car；First electromagnet, in the inner chamber, for being connected with engine；Second electromagnet, in the inner chamber, along the body of a motor car to the direction of the suspension, first electromagnet and second electromagnet are relative；First electromagnet is identical with the polarity of the second electromagnet opposite side, and the size of current for inputting first electromagnet and second electromagnet is adjustable.The first electromagnet and the second electromagnet of the present invention produces magnetic force after being powered, first electromagnet and the second electromagnet provide a magnetic shock resistant damping, effectively reduce vibrations and the noise transmission of engine, suspension rigidity can be changed according to the size of current of the first electromagnet of input and the second electromagnet, realize that suspension rigidity is adjustable.
Description
Technical field
The present invention relates to automobile technical field, and in particular to one kind suspension, suspension control method, electronic control unit, hair
Motivation ECU and automobile.
Background technology
At present, vehicle becomes increasingly popular to be dissolved into the life of average family.People also increasingly pay close attention to the property of automobile
Can index.Wherein, the low noise of vehicle has become a very important index of vehicle riding comfort.As well known,
Engine is a very important vibroseis of vehicle.Automobile all can be because in its engine working process and during traveling
Shake and produce noise.To solve influence of the noise to riding comfort, suspension is often set in automobile.Suspend the company of being not only
Connection device, or reduce the important component of jerk.The rigidity and damping characteristic of suspending apparatus directly influence making an uproar for vehicle
Sound, vibrations and sound vibration roughness (Noise, Vibration, Harshness, NVH) characteristic.
In order to reduce influence of the engine vibration to in-car comfortableness, engine is connected by suspending with vehicle body.Engine
Vibrations be delivered to by suspension on vehicle frame or chassis runner, therefore, farthest reduce engine vibrations and noise
Transmission is to improve the key of vehicle riding comfort.
Suspension directly affects vibrations and the noise of vehicle, and its design structure directly determines damping and noise reduction effect.Suspension
Mainly have rubber and hydraulic pressure two ways, rubber mounting is typically made up of rubber bushing and support, and hydraulic mount then except by
Beyond rubber spring, special liquid (generally ethylene glycol) has also internally been filled.
Hydraulic mount is employed in some vehicles, with reference to figure 1, hydraulic mount 10 includes：Support 11, it is same to be located in support
Rubber spring 12 in 11, support 11 are provided with bolt hole 13, and support 11 passes through the installation bolt in bolt hole 13 and vehicle body phase
Even；Rubber spring 12 is provided with the installation end face 14 of connection engine；And it is provided with upper hydraulic chamber in the inside of rubber spring 12
15 and lower chamber 16, two hydraulic chamber connected by inertia hole 17, and middle carry valve block 18.
For the small operating mode of vibration stimulus, valve block 18 suspends, and inertia hole 17 is unimpeded, and liquid can flow between upper and lower chamber
Dynamic, whole suspension rigidity is relatively small, it is possible to achieve the vibration isolation of the steady vibration stimulus of small magnitude；For the big work of moment vibration stimulus
Condition, because upper hydraulic chamber 15 and lower hydraulic pressure chamber room 16 are pressurized severity, valve block 18 can not realize suspension, can block inertia hole 17,
Whole hydraulic mount 10 is formed bigger rigidity, realize damping and noise abatement to big vibration stimulus.
But this hydraulic mount 10 can only encourage small operating mode and encourage big operating mode to realize vibration isolation, hydraulic mount
Rigidity can not adjust in real time, also can not just realize in real time the vibration isolation of operating mode comprehensively.
The content of the invention
The present invention solves the problems, such as it is that suspension can not adjust suspension rigidity in real time in the prior art.
To solve the above problems, the present invention provides a kind of suspension, including：Housing with inner chamber, the housing be used for
Body of a motor car is connected；First electromagnet, in the inner chamber, for being connected with engine；Second electromagnet, positioned at described interior
In chamber, along the body of a motor car to the direction of the suspension, first electromagnet and second electromagnet are relative；It is described
First electromagnet is identical with the polarity of the second electromagnet opposite side, and inputs first electromagnet and second electromagnetism
The size of current of body is adjustable.
Optionally, the both sides in the direction along the body of a motor car to the suspension of first electromagnet are provided with described the
Two electromagnets.
Optionally, first electromagnet is configured to connect with electronic control unit with second electromagnet；Work as institute
When stating electronic control unit and judging that the rigidity of the suspension needs increase, electronic control unit increase input first electricity
The electric current of magnet and second electromagnet；When the electronic control unit judges that the rigidity of the suspension needs to reduce, institute
State electronic control unit and reduce the electric current for inputting first electromagnet and second electromagnet.
The present invention also provides a kind of suspension control method, for controlling suspension described above, including：From Engine ECU
Obtain on automobile rotational speed, moment of torsion, gear, throttle opening signal；
Current line turner condition is judged based on the signal；
Compare when front-suspension rigidity value and previous suspension rigidity value, it is described when front-suspension rigidity value is the current line turner
Suspension rigidity value needed for condition, the previous suspension rigidity value are the suspension rigidity value needed for previous row turner condition；
When described when front-suspension rigidity value is more than the previous suspension rigidity value, the electronic control unit increase input
The electric current of first electromagnet and second electromagnet；
When described when front-suspension rigidity value is less than the previous suspension rigidity value, the electronic control unit reduces input
The electric current of first electromagnet and second electromagnet.
Optionally, it is from the method for the Engine ECU acquisition signal：The letter is sent to Engine ECU request
Number；Or the Engine ECU sends the signal automatically.
Optionally, compare before front-suspension rigidity value and previous suspension rigidity value, in addition to：Work as front-suspension described in obtaining
Rigidity value.
Optionally, obtain described when the method for front-suspension rigidity value includes：Obtain suspension corresponding to current line turner condition every
Rigidity Calculation of shaking model；Current line turner condition is calculated based on vibration isolation Rigidity Calculation model is suspended corresponding to the current line turner condition
Work as front-suspension rigidity value
Optionally, the current line turner condition is：Start operating performance, idling operation, fixed gear accelerating mode, fixed gear
One of decelerating mode, damped condition, upshift operating mode, downshift operating mode.
The present invention also provides a kind of electronic control unit, for controlling suspension described above, including：Signal acquisition list
Member, for from Engine ECU obtain on automobile rotational speed, moment of torsion, gear, throttle opening signal；
Driving operating mode judging unit, for judging current line turner condition based on the signal；
Comparing unit, work as front-suspension rigidity value and previous suspension rigidity value for comparing, it is described when front-suspension rigidity value is
Suspension rigidity value needed for current line turner condition, the previous suspension rigidity value are the suspension rigidity needed for previous row turner condition
Value；
Command unit, for the instruction of comparative result output first or the second instruction based on the comparing unit, when described
When front-suspension rigidity value is more than the previous suspension rigidity value, output first instruction, the electronic control unit increase
Input the electric current of first electromagnet and second electromagnet；
When described when front-suspension rigidity value is less than the previous suspension rigidity value, output second instruction, the electricity
Sub-control unit reduces the electric current for inputting first electromagnet and second electromagnet.
Optionally, the comparing unit includes：
Computing unit, described work as front-suspension rigidity value and the previous suspension rigidity value, the computing unit for calculating
Vibration isolation Rigidity Calculation model is suspended according to corresponding to current line turner condition and is calculated and works as front-suspension rigidity value, according to previous row turner condition
Corresponding suspension vibration isolation Rigidity Calculation model calculates previous suspension rigidity value；
Output unit, the result of calculation output comparative result based on the computing unit.
Optionally, the current line turner condition is：Start operating performance, idling operation, fixed gear accelerating mode, fixed gear
One of decelerating mode, damped condition, upshift operating mode, downshift operating mode.
Optionally, the electronic control unit is integrated in Engine ECU.
Optionally, the electronic control unit is connected with Engine ECU.
The present invention a kind of Engine ECU is also provided, for by automobile rotational speed, moment of torsion, gear, throttle opening letter
Number it is sent to the electronic control unit described in any of the above-described.
Optionally, the Engine ECU includes：Collecting unit, for gathering on automobile rotational speed, moment of torsion, gear, solar term
The signal of door aperture；
Transmitting element, described in the signal on automobile rotational speed, moment of torsion, gear, throttle opening is sent to
Electronic control unit.
The present invention also provides a kind of automobile, including the suspension described in any of the above-described.
Optionally, the electronic control unit in addition to described in any of the above-described.
Optionally, the Engine ECU in addition to described in any of the above-described.
Compared with prior art, technical scheme has advantages below：
The suspension of the present invention includes the housing with inner chamber, relative along body of a motor car to the direction suspended in the lumen to set
Put the first electromagnet and the second electromagnet.The polarity of first electromagnet and the second electromagnet opposite side is identical, i.e. is all N-N poles
Or all it is S-S poles.Wherein the first electromagnet is used to be connected with engine, and engine vibration can cause the first electromagnet in Automobile
There is a displacement on body to the direction suspended, the spacing of the first electromagnet and the second electromagnet can reduce.And the first electromagnet and second
Electromagnet produces magnetic force after being powered, because the polarity of the first electromagnet and the second electromagnet opposite side is identical so that between the two
Magnetic repulsion force increase because spacing reduces, the first electromagnet and the second electromagnet provide a magnetic shock resistant damping, effectively reduction
The vibrations of engine and noise transmission.
In addition, requirement of the automobile to suspending rigidity under different operating modes is different, suspension of the invention can be according to input
The size of current of first electromagnet and the second electromagnet changes suspension rigidity, realizes that suspension rigidity is adjustable.
Brief description of the drawings
Fig. 1 is the structural representation of prior art hydraulic mount；
Fig. 2 is the structural representation that the embodiment of the present invention one suspends, and shows the annexation with engine；
Fig. 3 is the suspension of the embodiment of the present invention one and the connection diagram of electronic control unit；
Fig. 4 is that the embodiment of the present invention three suspends, the connection of electronic control unit, fuse, power supply and relay indicating light is shown
It is intended to.
Embodiment
Suspension can not adjust suspension rigidity in real time in the prior art.The present invention is relative by being provided with the inner chamber of suspension
The electromagnet of setting, utilize the principle that identical charges repel each other, the size of current of regulation input electromagnet, so as to adjust suspension rigidity.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Embodiment one
With reference to figure 2, the embodiment of the present invention provides a kind of suspension 1, including：Housing 10 with inner chamber 11, housing 10 are gold
Belong to the housing 10 of material, housing 10 is used to be connected with body of a motor car, and housing 10 is indulged with the vehicle body on body of a motor car in the present embodiment
Beam 2 is connected；Because chassis runner 2 should not be opened, otherwise cause the remitted its fury of chassis runner 2, easy fracture, therefore, with reference to figure 3,
Chassis runner 2 is provided with body support 3, and suspension 1 is connected by bolt 4 with body support 3.Also include the first electricity being oppositely arranged
The electromagnet 30 of magnet 20 and second, the first electromagnet 20 are identical with the polarity of the opposite side of the second electromagnet 30, i.e. are all N-N poles
Or all it is S-S poles.First electromagnet 20 and the second electromagnet 30 can produce magnetic force after powered up.
Wherein, the first electromagnet 20 is located in inner chamber 11, for being connected with engine 40.In the present embodiment, engine 40
Engine support 60 is provided with, the first electromagnet 20 is provided with connecting rod 50；Connecting rod 50 and engine support 60 pass through bolt
70 is affixed.So as to which the first electromagnet 20 and engine 40 link together, in other embodiments, the first electromagnet 20 and start
Machine 40 can be linked together by other connectors.
So as to which vibrations are delivered to suspension 1 by the first electromagnet 20 caused by the course of work of engine 40, then are transferred to
On chassis runner 2.Therefore, the vibrations of engine 40 can cause the first electromagnet 20 to shake, and to realize damping, need to just keep first
The vibration amplitude of electromagnet 20 is small.
Therefore, second electromagnet 30 of the present embodiment is located in inner chamber 11, along body of a motor car to the direction for suspending 1 (
That is automobile overall height direction), the first electromagnet 20 and the second electromagnet 30 are relative；Vehicle body to suspend 1 direction it can be appreciated that：
Automobile is on road surface, perpendicular to the direction on road surface.First electromagnet 20 is identical with the polarity of the opposite side of the second electromagnet 30, this
Sample, to after the first electromagnet 20 and the input current of the second electromagnet 30, the first electromagnet 20 and the second electromagnet 30 produce magnetic force,
Relatively pendant polar identical, identical charges repel each other.
When engine vibration causes the first electromagnet 20 having displacement on body of a motor car to the direction for suspending 1, the first electricity
The spacing of the electromagnet 30 of magnet 20 and second can reduce.And the first electromagnet 20 and the second electromagnet 30 produce magnetic force after being powered,
Because the first electromagnet 20 is identical with the polarity of the opposite side of the second electromagnet 30 so that magnetic repulsion force between the two contracts because of spacing
It is small and increase, magnetic force caused by the second electromagnet 30 prevent the first electromagnet 20 have on body of a motor car to the direction for suspending 1 into
The displacement of one step；That is, the first electromagnet 20 and the second electromagnet 30 provide a magnetic shock resistant damping, effectively reduce engine 40
Vibrations and noise transmission.
And the size of current of the first electromagnet 20 of input and the second electromagnet 30 is adjustable.Automobile is under different operating modes to suspension
The requirement of rigidity is different, and suspension 1 of the invention can be big according to the electric current for inputting the first electromagnet 20 and the second electromagnet 30
It is small to change suspension rigidity, realize that suspension rigidity is adjustable.When need to suspend rigidity it is big when, increase the first electromagnet 20 of input and the
The magnetic shock resistant damping increase that the electric current of two electromagnets 30, the first electromagnet 20 and the second electromagnet 30 provide, so as to suspend just
Degree increase；When needing suspension rigidity big, reduce the electric current of the first electromagnet 20 of input and the second electromagnet 30, the first electromagnet
20 and second electromagnet 30 provide magnetic shock resistant damping reduce, so as to suspend rigidity reduce.
With reference to figure 2, in the present embodiment, the both sides along body of a motor car to the direction for suspending 1 of the first electromagnet 20 are provided with the
Two electromagnets 30.That is, along on the direction on road surface, the both sides of the first electromagnet 20 are respectively equipped with the second electromagnet 30.
That is, the top of the first electromagnet 20 has the second electromagnet 30, and the lower section of the first electromagnet 20 also has the second electromagnet 30.This
" top " and " lower section " at place is perpendicular to " top " and " lower section " in the direction on road surface.
After so setting, when road surface on running car, road surface is uneven, when automobile has " upper to jump " situation, the first electromagnetism
Body 20 has the trend shifted up.Now, the second electromagnet 30 above the first electromagnet 20 is to the first electromagnet 20
Same sex magnetic force is provided, the first electromagnet 20 is by magnetic shock resistant damping, it is difficult to continues up displacement, effective damping.When automobile has
During " lower to jump " situation, the first electromagnet 20 has the trend to bottom offset.Now, positioned at the second electricity of the lower section of the first electromagnet 20
Magnet 30 provides same sex magnetic force to the first electromagnet 20, and the first electromagnet 20 is by magnetic shock resistant damping, it is difficult to continues to bottom
Move, effective damping.
That is, the second electromagnet 30 of the top of the first electromagnet 20, and, the second electromagnet 30 of the lower section of the first electromagnet 20
Collective effect so that the first electromagnet 20 keeps in situ as far as possible.The displacement of first electromagnet 20 " upward " and " downward " is smaller.
Effectively absorb and worked caused vibrations from engine 40.
It should be noted that in the present embodiment, when setting the first electromagnet 20 and the in the inner chamber 11 of the housing 10 of suspension 1
During two electromagnets 30, the outer surface of the first electromagnet 20 is wrapped up by elastomeric material, and the outer surface of the second electromagnet 30 is also by rubber
Material wraps up.
In the case of cold, elastomeric material plays a part of supporting the first electromagnet 20 and the second electromagnet 30, makes
Obtain the first electromagnet 20 and the second electromagnet 30 keeps in situ.In the case of energization, the first electromagnet 20 and the second electromagnet 30
After producing magnetic force, when mutually exclusive, actually each apply magnetic force to the elastomeric material for wrapping up itself outer surface.This mistake
Journey, certain damping force can also be produced by being wrapped in the elastomeric material of the outer surface of the first electromagnet 20 and the second electromagnet 30.
Play a part of damping to a certain extent.
In addition, in the present embodiment, the second electromagnet 30 above and below the first electromagnet 20 is to be independently arranged
's.In other embodiments, the second electromagnet 30 can be shape in a ring, circumferentially surround the first electromagnet 20.
In addition, in the present embodiment, the second electromagnet 30 is equipped with above and below the first electromagnet 20.In other implementations
In example, second electromagnet 30 only can be set in the top of the first electromagnet 20；Or only set in the lower section of the first electromagnet 20
Put the second electromagnet 30.
With reference to figure 3, in the present embodiment, the first electromagnet 20 and the second electromagnet 30 are configured to and electronic control unit 5
Connection；The outer surface winding coil 21 of first electromagnet 20, the first electromagnet 20 produces magnetic force after coil 21 is powered；Second electromagnetism
The outer surface winding coil 31 of body 30, the second electromagnet 30 produces magnetic force after coil 31 is powered.Electronic control unit 5 passes through wire
51 and first electromagnet 20 outer surface coil 21 connect, the coil 31 by the outer surface of the electromagnet 30 of wire 52 and second
Connection.
Because electronic control unit 5 is connected by wire with the first electromagnet 20, the second electromagnet 30 respectively, it is possible to point
Other control input the first electromagnet 20, the size of current of the second electromagnet 30.When electronic control unit 5 judges that suspension rigidity needs
During increase, the electric current of the increase of electronic control unit 5 the first electromagnet 20 of input and the second electromagnet 30；When electronic control unit 5
When judging that suspension rigidity needs to reduce, electronic control unit 5 reduces the electric current of the first electromagnet 20 of input and the second electromagnet 30.
I.e. electronic control unit 5 can be according to the electric current for suspending rigidity requirement, control input the first electromagnet 20 and the second electromagnet 30
Increase reduces.
It is noted that the electric current of the first electromagnet 20 of input is typically less than the electric current of the second electromagnet 30 of input；This
Sample, magnetic force caused by the second electromagnet 30 are more than magnetic force caused by the first electromagnet 20, ensure the first electromagnet 20 " upward " and
The displacement of " downward " is small.
Embodiment two
The present embodiment also provides a kind of suspension control method, for controlling the suspension 1 in embodiment one, including：From starting
Machine ECU6 obtain on automobile rotational speed, moment of torsion, gear, throttle opening signal；Current line turner is judged based on the signal
Condition；Compare when front-suspension rigidity value and previous suspension rigidity value, it is described when front-suspension rigidity value is the current line turner condition institute
The suspension rigidity value needed, the previous suspension rigidity value are the suspension rigidity value needed for previous row turner condition.
When described when front-suspension rigidity value is more than the previous suspension rigidity value, the electronic control unit 5 increases defeated
Enter the electric current of first electromagnet 20 and second electromagnet 30；When described when front-suspension rigidity value is previous outstanding less than described
When putting rigidity value, the electronic control unit 5 reduces the electric current for inputting first electromagnet 20 and second electromagnet 30.
Wherein, the method for the signal being obtained from Engine ECU 6 is：The letter is sent to the Engine ECU 6 request
Number；Or the Engine ECU 6 sends the signal automatically.
Comparing before front-suspension rigidity value with previous suspension rigidity value, in addition to：Work as front-suspension rigidity described in obtaining
Value.Obtain described when the method for front-suspension rigidity value includes：Obtain suspension vibration isolation Rigidity Calculation mould corresponding to current line turner condition
Type；Based on suspension vibration isolation Rigidity Calculation model calculating current line turner condition corresponding to the current line turner condition when front-suspension is firm
Angle value.
Difference driving operating mode suspension vibration isolation Rigidity Calculation model is different, such as：The suspension vibration isolation rigidimeter of D shelves idling operations
It is mainly the moment of torsion exported by engine output torque, 1 notch speed than whole power assembly can be calculated to calculate model, and due to
Now stationary vehicle, then this moment of torsion can be reduced to suspend the moment of torsion that balances of 1 support reaction, this moment of torsion is combined to the installation of suspension 1
Location parameter can convert to obtain the support reaction for acting on suspension 1, then in conjunction with the control targe of suspension vibration isolation rate, be calculated
Suspend rigidity.
The complexity of the Rigidity Calculation model of each driving operating mode is different with the parameter considered, but the overall principle is to establish
The stress and motion model of power assembly system under operating mode, the calculating of stiffness optimization value is realized in conjunction with control targe, so-called
Control targe is the engine luggine comfortableness that occupant is experienced, and the regulation for suspending rigidity is provided to avoid because starting
It is uncomfortable that the vibration of machine allows occupant to experience.
The current line turner condition is：Start operating performance, idling operation, fixed gear accelerating mode, fixed gear deceleration work
One of condition, damped condition, upshift operating mode, downshift operating mode.
Embodiment three
The embodiment of the present invention also provides a kind of electronic control unit 5, for controlling the suspension 1 in embodiment one, including：Letter
Number acquiring unit, for from Engine ECU 6 obtain on automobile rotational speed, moment of torsion, gear, throttle opening signal；Driving work
Condition judging unit, for judging current line turner condition based on the signal；Comparing unit, for compare work as front-suspension rigidity value with
Previous suspension rigidity value, the suspension rigidity value when front-suspension rigidity value needed for current line turner condition, the previous suspension
Rigidity value is the suspension rigidity value needed for previous row turner condition；Command unit, for the comparative result based on the comparing unit
The instruction of output first or the second instruction.
When described when front-suspension rigidity value is more than the previous suspension rigidity value, output first instruction, the electricity
The increase of sub-control unit 5 inputs the electric current of first electromagnet 20 and second electromagnet 30.When described when front-suspension is firm
When angle value is less than the previous suspension rigidity value, output second instruction, the electronic control unit 5 reduces input described the
The electric current of one electromagnet 20 and second electromagnet 30.
The comparing unit includes：
Computing unit, described work as front-suspension rigidity value and the previous suspension rigidity value, the computing unit for calculating
Vibration isolation Rigidity Calculation model is suspended according to corresponding to current line turner condition and is calculated and works as front-suspension rigidity value, according to previous row turner condition
Corresponding suspension vibration isolation Rigidity Calculation model calculates previous suspension rigidity value；
Output unit, the result of calculation output comparative result based on the computing unit.
The current line turner condition is：Start operating performance, idling operation, fixed gear accelerating mode, fixed gear deceleration work
One of condition, damped condition, upshift operating mode, downshift operating mode.
With reference to figure 3, in the present embodiment, electronic control unit 5 is connected with Engine ECU 6, connected mode for communication connection or
Electrical connection.In other embodiments, electronic control unit 5 is integrated in Engine ECU 6.Engine ECU 6 is used for will be on automobile
Rotating speed, moment of torsion, gear, the signal of throttle opening are sent to electronic control unit 5 described above.
Engine ECU 6 includes：Collecting unit, for gather on automobile rotational speed, moment of torsion, gear, throttle opening letter
Number；Transmitting element, for the signal on automobile rotational speed, moment of torsion, gear, throttle opening to be sent into the electronics control
Unit 5 processed.
With reference to figure 4 and with reference to shown in Fig. 3, in the present embodiment, the current strength of the control input of electronic control unit 5 suspension 1,
So that the first electromagnet 20 and the second electromagnet 30 produce the magnetic field of varying strength.The principle repelled each other using peer, reaches adjustment
The purpose that rigidity absorbs engine vibration is suspended, improves vehicle NVH performances and Driving.
In 1 course of work is suspended, for security consideration, electronic control unit 5 can carry out self-test work.When suspension 1 is deposited
In failure, electronic control unit 5 controls relay indicating light 8 to carry out warning reminding, and is fused by fuse 9 to cut off the electricity supply
7, power supply 7 is stopped power supply, it is ensured that vehicle safety.
Example IV
The present embodiment also provides a kind of automobile, including any of the above-described described suspension 1.Also include any of the above-described described electricity
Sub-control unit 5.Also include any of the above-described described Engine ECU 6.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, this is not being departed from
In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (18)
1. one kind suspension, it is characterised in that including：
Housing with inner chamber, the housing are used to be connected with body of a motor car；
First electromagnet, in the inner chamber, for being connected with engine；
Second electromagnet, in the inner chamber, along the body of a motor car to the direction of the suspension, first electromagnet
It is relative with second electromagnet；First electromagnet is identical with the polarity of the second electromagnet opposite side, and inputs institute
The size of current for stating the first electromagnet and second electromagnet is adjustable.
2. suspension as claimed in claim 1, it is characterised in that first electromagnet hangs along the body of a motor car to described
The both sides in the direction put are provided with second electromagnet.
3. suspension as claimed in claim 1 or 2, it is characterised in that first electromagnet and second electromagnet by with
It is set to and is connected with electronic control unit；
When the electronic control unit judges that the rigidity of the suspension needs increase, the electronic control unit increase input institute
State the electric current of the first electromagnet and second electromagnet；
When the electronic control unit judges that the rigidity of the suspension needs to reduce, the electronic control unit reduces input institute
State the electric current of the first electromagnet and second electromagnet.
4. one kind suspension control method, for controlling the suspension described in claim 3, it is characterised in that including：
From Engine ECU obtain on automobile rotational speed, moment of torsion, gear, throttle opening signal；
Current line turner condition is judged based on the signal；
Compare when front-suspension rigidity value and previous suspension rigidity value, it is described when front-suspension rigidity value is the current line turner condition institute
The suspension rigidity value needed, the previous suspension rigidity value are the suspension rigidity value needed for previous row turner condition；
When described when front-suspension rigidity value is more than the previous suspension rigidity value, described in the electronic control unit increase input
The electric current of first electromagnet and second electromagnet；
When described when front-suspension rigidity value is less than the previous suspension rigidity value, the electronic control unit reduces described in input
The electric current of first electromagnet and second electromagnet.
5. suspension control method as claimed in claim 4, it is characterised in that the method that the signal is obtained from Engine ECU
For：
The signal is sent to Engine ECU request；Or the Engine ECU sends the signal automatically.
6. suspension control method as claimed in claim 4, it is characterised in that compare when front-suspension rigidity value and previous suspension are firm
Before angle value, in addition to：Work as front-suspension rigidity value described in obtaining.
7. suspension control method as claimed in claim 6, it is characterised in that obtain the method bag for working as front-suspension rigidity value
Include：
Obtain suspension vibration isolation Rigidity Calculation model corresponding to current line turner condition；
Front-suspension is worked as based on suspension vibration isolation Rigidity Calculation model calculating current line turner condition corresponding to the current line turner condition
Rigidity value.
8. suspension control method as claimed in claim 4, it is characterised in that the current line turner condition is：
Start operating performance, idling operation, fixed gear accelerating mode, fixed gear decelerating mode, damped condition, upshift operating mode, drop
One of shelves operating mode.
A kind of 9. electronic control unit, for controlling the suspension described in claim 3, it is characterised in that including：
Signal acquiring unit, for from Engine ECU obtain on automobile rotational speed, moment of torsion, gear, throttle opening signal；
Driving operating mode judging unit, for judging current line turner condition based on the signal；
Comparing unit, work as front-suspension rigidity value and previous suspension rigidity value for comparing, it is described when front-suspension rigidity value is current
Suspension rigidity value needed for operating mode of driving a vehicle, the previous suspension rigidity value are the suspension rigidity value needed for previous row turner condition；
Command unit, for the instruction of comparative result output first or the second instruction based on the comparing unit, when described current
When suspending rigidity value more than the previous suspension rigidity value, output first instruction, the electronic control unit increase inputs
The electric current of first electromagnet and second electromagnet；
When described when front-suspension rigidity value is less than the previous suspension rigidity value, output second instruction, the electronics control
Unit processed reduces the electric current for inputting first electromagnet and second electromagnet.
10. electronic control unit as claimed in claim 9, it is characterised in that
The comparing unit includes：
Computing unit, for calculate it is described work as front-suspension rigidity value and the previous suspension rigidity value, the computing unit according to
Suspension vibration isolation Rigidity Calculation model, which calculates, corresponding to current line turner condition works as front-suspension rigidity value, corresponding according to previous row turner condition
Suspension vibration isolation Rigidity Calculation model calculate previous suspension rigidity value；
Output unit, the result of calculation output comparative result based on the computing unit.
11. electronic control unit as claimed in claim 9, it is characterised in that the current line turner condition is：
Start operating performance, idling operation, fixed gear accelerating mode, fixed gear decelerating mode, damped condition, upshift operating mode, drop
One of shelves operating mode.
12. electronic control unit as claimed in claim 11, it is characterised in that the electronic control unit is integrated in engine
ECU。
13. electronic control unit as claimed in claim 9, it is characterised in that the electronic control unit connects with Engine ECU
Connect.
A kind of 14. Engine ECU, it is characterised in that for by automobile rotational speed, moment of torsion, gear, throttle opening signal
It is sent to the electronic control unit described in claim any one of 9-13.
15. Engine ECU as claimed in claim 14, it is characterised in that the Engine ECU includes：
Collecting unit, for gather on automobile rotational speed, moment of torsion, gear, throttle opening signal；
Transmitting element, for the signal on automobile rotational speed, moment of torsion, gear, throttle opening to be sent into the electronics
Control unit.
16. a kind of automobile, it is characterised in that including the suspension described in claim any one of 1-3.
17. automobile as claimed in claim 16, it is characterised in that the electronics control described in also including claim any one of 9-13
Unit processed.
18. automobile as claimed in claim 16, it is characterised in that also including starting described in claim any one of 14-15
Machine ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637718.0A CN107685622B (en) | 2016-08-05 | 2016-08-05 | Suspension, suspension control method, electronic control unit, engine ECU and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637718.0A CN107685622B (en) | 2016-08-05 | 2016-08-05 | Suspension, suspension control method, electronic control unit, engine ECU and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107685622A true CN107685622A (en) | 2018-02-13 |
| CN107685622B CN107685622B (en) | 2020-04-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107685622B (en) | 2020-04-28 |
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