CN106314058B - A kind of interconnection type air suspension and its application method interconnecting adjustable volume - Google Patents
A kind of interconnection type air suspension and its application method interconnecting adjustable volume Download PDFInfo
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- CN106314058B CN106314058B CN201610705081.4A CN201610705081A CN106314058B CN 106314058 B CN106314058 B CN 106314058B CN 201610705081 A CN201610705081 A CN 201610705081A CN 106314058 B CN106314058 B CN 106314058B
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- air spring
- damper
- interconnection
- spring damper
- solenoid valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
- B60G17/0155—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit pneumatic unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0528—Pressure regulating or air filling valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/83—Type of interconnection
- B60G2204/8304—Type of interconnection using a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/01—Attitude or posture control
Abstract
The invention discloses a kind of interconnection type air suspensions and its application method for interconnecting adjustable volume, belong to vehicle interconnection type air suspension field, the interconnection type air suspension for interconnecting adjustable volume includes four air spring dampers, nine 2/2-way solenoid valves, four two position four-way solenoid valves and four throttle valves；The inside and outside gas chamber of air spring damper and the upper and lower chamber of air spring damper are separately connected by the interconnection of solenoid valve.The present invention is combined interconnection technique with air suspension by connecting line, solenoid valve, a variety of alternative interconnection modes are provided, solenoid valve opening and closing is controlled by electronic control unit ECU, suspension work mode can not only be switched according to road conditions, adjust the pitching and roll characteristics in vehicle travel process, the interconnection volume that air spring can also be changed according to riving condition, further promotes road holding.
Description
Technical field
The invention belongs to vehicle interconnection type air suspension field more particularly to a kind of interconnection type air for interconnecting adjustable volume
Suspension and its application method.
Background technique
With the development of the automobile industry, requirement of the people to vehicle performance is also higher and higher, its control is presented as on suspension
Technology processed not only stops at its damping of control and vertical stiffness, it is also necessary to consider its pitching and roll stiffness；Improve vehicle
It is also more to improve vehicle pitch performance mainly by increasing suspension rate and installing two methods of active lateral stabiliser bar additional for anti-rolling capability
Using the method for increasing suspension rate.The anti-rolling capability of vehicle can no doubt be promoted by installing active lateral stabiliser bar additional, but its
Structure is complicated, high production cost, and also affects the robustness of Full Vehicle System.And the method by increasing suspension rate,
Although can directly improve pitching and the rolling capability of suspension, high suspension rate will lead to riding comfort reduction.Closely
A few Nian You researchers, which propose to reach by the interconnection state for changing air spring in air suspension, takes into account vehicle riding comfort
With the purpose of operational stability.
Chinese patent CN105465260A disclose a kind of adjustable volume for participating in interconnection lateral interconnection air spring and
Control method proposes and interconnects left and right two air springs, changes air by the solenoid valve between control air spring
Spring interconnects state, achievees the purpose that promote vehicle roll performance；Although the patent optimizes the side of vehicle to a certain extent
Incline performance, but do not account for the pitching characteristic of vehicle, and its to control variable single, merely relate to control its elastic element
Interconnection state does not carry out intarconnected cotrol to damping element.It is outstanding that Chinese patent CN104786772A discloses a kind of interconnection type air
Rack control device, control system and its method, which interconnects the elastic element of air suspension and pivotal connection,
Switch interconnection state as needed by the control of electronic control unit ECU, although improving pitching and the side of vehicle to a certain extent
Incline performance, but its elastic element interconnection volume is fixed, and is promoted to automotive comprehensive performance hair limited.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of interconnection type air suspension for interconnecting adjustable volume
And its control method.By the control of electronic control unit ECU, switch air spring gas chamber and air spring damper as needed
The interconnection state of upper and lower chamber promotes the riding comfort of vehicle under the premise of preferentially ensureing driving safety as far as possible.
It is taking to realize the present invention the specific technical proposal is:
A kind of interconnection type air suspension interconnecting adjustable volume, including four air spring dampers, nine 2/2-ways
Solenoid valve, four two position four-way solenoid valves and four throttle valves；
Four air spring dampers are identical, each includes upper interconnection via hole a, lower interconnection via hole b, upper interconnection gas
Mouth c, lower interconnection gas nozzle d, interior gas chamber, outer gas chamber, damper epicoele, damper cavity of resorption and piston lever of reducer, the interior gas chamber
Volume be less than outer gas room volume, the center of the piston lever of reducer is provided with through-hole, the lower end of the piston lever of reducer
It is provided with slot, and through-hole is connected to slot；
The damper epicoele of first air spring damper pass sequentially through the slot of the first air spring damper, through-hole,
Upper interconnection via hole a is connected with one end of first throttle valve, and the other end of the first throttle valve divides two-way, passes through second liang all the way
Position four-way solenoid valve, the second air spring damper lower interconnection via hole b be connected to the damper of the second air spring damper
Cavity of resorption, another way are connected to third sky by the lower interconnection via hole b of first liang of position four-way solenoid valve, third air spring damper
The damper cavity of resorption of gas spring damper；
The damper epicoele of second air spring damper passes sequentially through slot, the through-hole of the second air spring damper
(10), upper interconnection via hole a is connected with one end of second throttle, and the other end of the second throttle divides two-way, passes through all the way
Second liang of position four-way solenoid valve, the first air spring damper lower interconnection via hole b be connected to the first air spring damper
Damper cavity of resorption, another way are connected to by the lower interconnection via hole b of two position four-way solenoid valve of third, the 4th air spring damper
The damper cavity of resorption of 4th air spring damper；
The damper epicoele of third air spring damper pass sequentially through the slot of third air spring damper, through-hole,
Upper interconnection via hole a is connected with one end of third throttle valve, and the other end of the third throttle valve divides two-way, passes through first liang all the way
Position four-way solenoid valve, the first air spring damper lower interconnection via hole b be connected to the damper of the first air spring damper
Cavity of resorption, another way are connected to the 4th sky by the lower interconnection via hole b of the 4th liang of position four-way solenoid valve, the 4th air spring damper
The damper cavity of resorption of gas spring damper；
The damper epicoele of 4th air spring damper pass sequentially through the slot of the 4th air spring damper, through-hole,
Upper interconnection via hole a is connected with one end of the 4th throttle valve, and the other end of the 4th throttle valve divides two-way, passes through third two all the way
Position four-way solenoid valve, the second air spring damper lower interconnection via hole b be connected to the damper of the second air spring damper
Cavity of resorption, another way are connected to third sky by the lower interconnection via hole b of the 4th liang of position four-way solenoid valve, third air spring damper
The damper cavity of resorption of gas spring damper；
The interior gas chamber of first air spring damper divides three tunnels by the upper interconnection gas nozzle c of the first air spring damper, the
The second air spring is connected to by the upper interconnection gas nozzle c of the second 2/2-way solenoid valve, the second air spring damper all the way
The interior gas chamber of damper, the second tunnel are connected by the upper interconnection gas nozzle c of the 4th 2/2-way solenoid valve, third air spring damper
It is connected to the interior gas chamber of third air spring damper, third road passes through the first 2/2-way solenoid valve, the first air spring damping
The lower interconnection gas nozzle d of device is connected to the outer gas chamber of the first air spring damper；
The interior gas chamber of 4th air spring damper divides two-way by the upper interconnection gas nozzle c of the 4th air spring damper, and one
Road is connected to the second air spring by the upper interconnection gas nozzle c of the 7th 2/2-way solenoid valve, the second air spring damper and subtracts
The interior gas chamber of device is shaken, another way passes through the upper interconnection gas nozzle c connection of the 9th 2/2-way solenoid valve, third air spring damper
To the interior gas chamber of third air spring damper；
The outer gas chamber of first air spring damper divides two-way by the lower interconnection gas nozzle d of the first air spring damper, and one
Road is connected to the second air spring by the lower interconnection gas nozzle d of third 2/2-way solenoid valve, the second air spring damper and subtracts
The outer gas chamber of device is shaken, another way passes through the lower interconnection gas nozzle d connection of the 5th 2/2-way solenoid valve, third air spring damper
To the outer gas chamber of third air spring damper；
The outer gas chamber of 4th air spring damper is by being divided to two by the lower interconnection gas nozzle d of the 4th air spring damper
Road is connected to the second air bullet by the lower interconnection gas nozzle d of the 6th 2/2-way solenoid valve, the second air spring damper all the way
The outer gas chamber of spring damper, another way pass through the 8th 2/2-way solenoid valve, the lower interconnection gas nozzle d of third air spring damper
It is connected to the outer gas chamber of third air spring damper.
In above scheme, the air spring damper further includes upper lifting lug, upper mounting plate, upper cover plate, shock absorber piston
Upper cover plate, outer air chamber vesicle skin, interior air chamber sleeve, shock absorber piston, interior air chamber vesicle skin, damper outer wall, lower installation board, lower lifting lug
And lower cover plate.
In above scheme, the upper mounting plate and lower installation board are rectangle curved slab.
In above scheme, the upper lifting lug is successively welded with upper mounting plate, upper cover plate, the interposition of the upper cover plate lower end
It sets and is cast with interior air chamber sleeve, the center of the interior air chamber sleeve is cast with interconnection via hole a, and upper interconnection via hole a and damping
The through-hole of device piston rod is connected to, and the bottom end of the piston lever of reducer is connected with shock absorber piston, and the shock absorber piston will subtract
Shake device outer wall is divided into damper epicoele and damper cavity of resorption two parts, and damper outer wall top passes through shock absorber piston upper cover
Plate sealing, damper outer wall bottom end are welded on the middle position of lower cover plate, the lower cover plate successively with lower installation board, under hang
Ear welding, damper outer wall upper end form interior gas chamber by interior air chamber vesicle skin, and the upper cover plate and lower cover plate pass through outer gas
Room capsule skin forms outer gas chamber, and the upper cover plate is cast with upper interconnection gas nozzle c at center, and upper interconnection gas nozzle c and interior gas chamber connect
Logical, the center of the lower cover plate is cast with lower interconnection via hole b, and lower interconnection via hole b is connected to damper cavity of resorption, the lower cover
The edge of plate is cast with lower interconnection gas nozzle d, and lower interconnection gas nozzle d is connected to outer gas chamber；The wherein first air spring damper
The edge of lower cover plate is also cast with air inflation nozzle e, and air inflation nozzle e is connected to outer gas chamber.
In above scheme, the shape of the damper outer wall, interior gas chamber and interior air chamber sleeve is cylindrical body.
A kind of application method for the interconnection type air suspension interconnecting adjustable volume, includes the following steps:
S1, a kind of interconnection type air suspension interconnecting adjustable volume were detected using early period；
S2, vehicle at low speeds, interconnect the interconnection type air suspension work of adjustable volume；
S3, vehicle at high speeds, interconnect the interconnection type air suspension work of adjustable volume.
Further, a kind of the step of use detection early period of interconnection type air suspension for interconnecting adjustable volume of the S1 is wrapped
It includes:
S1.1, electronic control unit ECU judge interconnection adjustable volume according to signals such as air spring pressure, air spring heights
Whether interconnection type air suspension, which needs, is inflated；
S1.2 opens the solenoid valve for connecting each gas chamber if the interconnection type air suspension of interconnection adjustable volume needs to inflate, and leads to
The air inflation nozzle e of the first air spring damper is crossed to the interior gas chamber of four air spring dampers, outer gas chamber while being inflated,
Inflation finishes the working method that suspension is determined according to Vehicle Speed；
S1.3, according to Vehicle Speed, is determined outstanding if the interconnection type air suspension of interconnection adjustable volume does not need to inflate
The working method of frame.
Further, the interconnection type air suspension work step of adjustable volume is interconnected:
1. if speed is less than presetting speed threshold v0When, start low speed interconnection mode, cuts off between all interior gas chambers
Interconnection；
When vehicle is in starting or when on-position, the 5th 2/2-way solenoid valve, third throttle valve, the first two four-ways
Solenoid valve and the conducting of two position four-way solenoid valve of third, other solenoid valves are in original position so that the first air spring damper and
Outside the longitudinally interconnection of the outer gas chamber of third air spring damper, the second air spring damper and the 4th air spring damper
Gas chamber longitudinally interconnects；Make damper epicoele and the damping of the first air spring damper and third air spring damper simultaneously
The crossed longitudinally interconnection of device cavity of resorption, the damper epicoele and damper of the second air spring damper and the 4th air spring damper
The crossed longitudinally interconnection of cavity of resorption；
When the vehicle is turning, third 2/2-way solenoid valve, second liang of position four-way solenoid valve, the 8th 2/2-way solenoid valve
It is connected with the 4th liang of position four-way solenoid valve, other solenoid valves are in original position, so that the first air spring damper and the second sky
The outer gas chamber of gas spring damper laterally interconnects, and the outer gas chamber of third air spring damper and the 4th air spring damper is horizontal
To interconnection；Make the damper epicoele and damper cavity of resorption of the first air spring damper and the second air spring damper simultaneously
The damper epicoele and damper cavity of resorption of lateral cross interconnection, third air spring damper and the 4th air spring damper are horizontal
To cross interconnected；
When straight line when driving, second liang of position four-way solenoid valve and the conducting of the 4th liang of position four-way solenoid valve, other electromagnetism
Valve is in original position, and the interior gas chamber and outer gas chamber of four air spring dampers do not interconnect, the first air spring damper and
The damper epicoele and damper cavity of resorption lateral cross of second air spring damper interconnect, third air spring damper and the
The damper epicoele and damper cavity of resorption lateral cross of four air spring dampers interconnect；
2. if speed is greater than presetting speed threshold v0When, start high speed interconnection mode, cuts off between all outer gas chambers
Interconnection；
When vehicle is in acceleration or deceleration state, the 4th 2/2-way solenoid valve, the 7th 2/2-way solenoid valve, first
Two position four-way solenoid valves and the conducting of two position four-way solenoid valve of third, other solenoid valves are in original position, so that the first air spring
The interior gas chamber of damper and third air spring damper longitudinally interconnects, and the second air spring damper and the 4th air spring subtract
The interior gas chamber for shaking device longitudinally interconnects；Make on the damper of the first air spring damper and third air spring damper simultaneously
Chamber and the crossed longitudinally interconnection of damper cavity of resorption, the damper epicoele of the second air spring damper and the 4th air spring damper
With the crossed longitudinally interconnection of damper cavity of resorption.
When the vehicle is turning, third 2/2-way solenoid valve, second liang of position four-way solenoid valve, the 8th 2/2-way solenoid valve
It is connected with the 4th liang of position four-way solenoid valve, other solenoid valves are in original position, so that the first air spring damper and the second sky
The outer gas chamber of gas spring damper laterally interconnects, and the outer gas chamber of third air spring damper and the 4th air spring damper is horizontal
To interconnection；Make the damper epicoele and damper cavity of resorption of the first air spring damper and the second air spring damper simultaneously
The damper epicoele and damper cavity of resorption of lateral cross interconnection, third air spring damper and the 4th air spring damper are horizontal
To cross interconnected；
When straight line when driving, second liang of position four-way solenoid valve and the conducting of the 4th liang of position four-way solenoid valve, other electromagnetism
Valve is in original position, and the interior gas chamber and outer gas chamber of four air spring dampers do not interconnect, the first air spring damper and
The damper epicoele and damper cavity of resorption lateral cross of second air spring damper interconnect, third air spring damper and the
The damper epicoele and damper cavity of resorption lateral cross of four air spring dampers interconnect.
Beneficial benefit of the invention are as follows:
(1) present invention provides a kind of interconnection type air suspension and its application method for interconnecting adjustable volume, can be by automatically controlled list
First ECU automatically switches the interconnection mode of suspension, rationally changes the roll stiffness and pitch stiffness of suspension, effectively alleviates vehicle
Contradiction between control stability and riding comfort.
(2) the upper and lower chamber of inside and outside gas chamber and damper of air spring damper is passed through into the interconnecting pipes equipped with solenoid valve
It is separately connected, is not necessarily to additional drives motor, interconnection mode only can be switched by control solenoid valve opening and closing, change and participate in interconnection
Gas chamber volume.
(3) present invention participates in the gas chamber volume and damper interconnection mode of interconnection by switching, ensure that vehicle in high speed
With the performance of operating condition each under low-speed situations (starting, braking, turning etc.).
Detailed description of the invention
Fig. 1 is a kind of system structure schematic diagram of interconnection type air suspension for interconnecting adjustable volume；
Fig. 2 is the first air spring shock absorber structure schematic diagram；
Fig. 3 is the first air spring shock absorber piston partial cutaway view；
Fig. 4 is upper and lower mounting plate three-dimensional structure diagram；
Fig. 5 is a kind of application method flow chart of interconnection type air suspension for interconnecting adjustable volume.
In figure: interconnecting via hole on a-；Via hole is interconnected under b-；Gas nozzle is interconnected on c-；Gas nozzle is interconnected under d-；E- air inflation nozzle；1-
Upper lifting lug；2- upper mounting plate；3- upper cover plate；Gas chamber in 4-；5- shock absorber piston upper cover plate；The outer air chamber vesicle skin of 6-；7- damper
Epicoele；Air chamber sleeve in 8-；9- piston lever of reducer；10-- through-hole；11- slot；The outer gas chamber of 12-；13- shock absorber piston；14-
Interior air chamber vesicle skin；15- damper cavity of resorption；16- damper outer wall；17- lower installation board；Lifting lug under 18-；19- lower cover plate；20-
One air spring damper；21- the second air spring damper；22- third air spring damper；The 4th air spring of 23-
Damper；24- the first 2/2-way solenoid valve；25- the second 2/2-way solenoid valve；26- third 2/2-way solenoid valve；27-
4th 2/2-way solenoid valve；The 5th 2/2-way solenoid valve of 28-；The 6th 2/2-way solenoid valve of 29-；30- the 7th two two
Three-way electromagnetic valve；The 8th 2/2-way solenoid valve of 31-；The 9th 2/2-way solenoid valve of 32-；First liang of position four-way solenoid valve of 33-；
Second liang of position four-way solenoid valve of 34-；Two position four-way solenoid valve of 35- third；The 4th liang of position four-way solenoid valve of 36-；37- first throttle
Valve；38- second throttle；39- third throttle valve；The 4th throttle valve of 40-.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but protection scope of the present invention and unlimited
In this.As shown in Figure 1, a kind of structure principle chart for the interconnection type air suspension for interconnecting adjustable volume, including four air springs
Damper, nine 2/2-way solenoid valves, four two position four-way solenoid valves and four throttle valves.
Four air spring dampers are identical, as shown in Fig. 2, each include upper interconnection via hole a, lower interconnection via hole b, on
Interconnect gas nozzle c, lower interconnection gas nozzle d, upper lifting lug 1, upper mounting plate 2, upper cover plate 3, interior gas chamber 4, shock absorber piston upper cover plate 5, outside
Air chamber vesicle skin 6, damper epicoele 7, interior air chamber sleeve 8, piston lever of reducer 9, outer gas chamber 12, shock absorber piston 13, interior gas chamber
Capsule skin 14,15 damper outer wall 16 of damper cavity of resorption, lower installation board 17, lower lifting lug 18 and lower cover plate 19；Interior gas chamber 4 it is small in size
In the volume of outer gas chamber 12, it ensure that interconnection gas chamber volume when high speed is less than the interconnection gas chamber volume of low speed, be further ensured that
Control stability of the vehicle in high speed；The center of piston lever of reducer 9 is provided with through-hole 10, the lower end of piston lever of reducer 9
It is provided with slot 11, and through-hole 10 is connected to slot 11, as shown in Figure 3；In order to it is easy for installation and be conducive to upper interconnection via hole a, under
The conducting of via hole b, upper interconnection gas nozzle c and exterior line are interconnected, upper mounting plate 2 and lower installation board 17 are rectangle curved slab, such as
Shown in Fig. 4；The shape of damper outer wall 16, interior gas chamber 4 and interior air chamber sleeve 8 is cylindrical body, due to participating in the gas chamber of interconnection
The roll stiffness and pitch stiffness of the smaller then suspension of volume are bigger, in order to guarantee the control stability of automobile under friction speed, are
System selects interior gas chamber to be interconnected in high speed, and in low speed, the outer gas chamber of selection is interconnected；
As shown in Fig. 2, upper lifting lug 1 is successively welded with upper mounting plate 2, upper cover plate 3, the middle position casting of 3 lower end of upper cover plate
There is interior air chamber sleeve 8, the center of interior air chamber sleeve 8 is cast with interconnection via hole a, and upper interconnection via hole a and shock absorber piston
The through-hole 10 of bar 9 is connected to, and the bottom end of piston lever of reducer 9 is connected with shock absorber piston 13, and shock absorber piston 13 will be outside damper
Wall 16 divides for 15 two parts of damper epicoele 7 and damper cavity of resorption, and 16 top of damper outer wall passes through shock absorber piston upper cover plate 5
Sealing, 16 bottom end of damper outer wall are welded on the middle position of lower cover plate 19, lower cover plate 19 successively with lower installation board 17, lower lifting lug
18 welding, 16 upper end of damper outer wall form interior gas chamber 4 by interior air chamber vesicle skin 14, and upper cover plate 3 and lower cover plate 19 pass through outer gas
Room capsule skin 6 forms outer gas chamber 12, and upper cover plate 3 is cast with upper interconnection gas nozzle c at center, and upper interconnection gas nozzle c and interior gas chamber connect
Logical, the center of lower cover plate 19 is cast with lower interconnection via hole b, and lower interconnection via hole b is connected to damper cavity of resorption 15, lower cover plate 19
Edge be cast with lower interconnection gas nozzle d, and lower interconnection gas nozzle d is connected to outer gas chamber 12；Wherein the first air spring damper 20
The edge of lower cover plate 19 be also cast with air inflation nozzle e, and air inflation nozzle e is connected to outer gas chamber 12.
The damper epicoele 7 of first air spring damper 20 passes sequentially through the slot of the first air spring damper 20
11, through-hole 10, upper interconnection via hole a are connected with one end of first throttle valve 37, and the other end of first throttle valve 37 divides two-way, all the way
The second air spring is connected to by the lower interconnection via hole b of second liang of position four-way solenoid valve 34, the second air spring damper 21
The damper cavity of resorption 15 of damper 21, another way pass through first liang of position four-way solenoid valve 33, third air spring damper 22
Lower interconnection via hole b is connected to the damper cavity of resorption 15 of third air spring damper 22；
The damper epicoele 7 of second air spring damper 21 passes sequentially through the slot of the second air spring damper 21
11, through-hole 10, upper interconnection via hole a are connected with one end of second throttle 38, and the other end of second throttle 38 divides two-way, all the way
The first air spring is connected to by the lower interconnection via hole b of second liang of position four-way solenoid valve 34, the first air spring damper 20
The damper cavity of resorption 15 of damper 20, another way pass through third two position four-way solenoid valve 35, the 4th air spring damper 23
Lower interconnection via hole b is connected to the damper cavity of resorption 15 of the 4th air spring damper 23；
The damper epicoele 7 of third air spring damper 22 passes sequentially through the slot of third air spring damper 22
11, through-hole 10, upper interconnection via hole a are connected with one end of third throttle valve 39, and the other end of third throttle valve 39 divides two-way, all the way
The first air spring is connected to by the lower interconnection via hole b of first liang of position four-way solenoid valve 33, the first air spring damper 20
The damper cavity of resorption 15 of damper 20, another way pass through the 4th liang of position four-way solenoid valve 36, the 4th air spring damper 23
Lower interconnection via hole b is connected to the damper cavity of resorption 15 of the 4th air spring damper 23；
The damper epicoele 7 of 4th air spring damper 23 passes sequentially through the slot of the 4th air spring damper 23
11, through-hole 10, upper interconnection via hole a are connected with one end of the 4th throttle valve 40, and the other end of the 4th throttle valve 40 divides two-way, all the way
The second air spring is connected to by the lower interconnection via hole b of two position four-way solenoid valve 35 of third, the second air spring damper 21
The damper cavity of resorption 15 of damper 21, another way pass through the 4th liang of position four-way solenoid valve 36, third air spring damper 22
Lower interconnection via hole b is connected to the damper cavity of resorption 15 of third air spring damper 22；
The interior gas chamber 4 of first air spring damper 20 divides three by the upper interconnection gas nozzle c of the first air spring damper 20
Road, the first via are connected to second by the upper interconnection gas nozzle c of the second 2/2-way solenoid valve 25, the second air spring damper 21
The interior gas chamber 4 of air spring damper 21, the second tunnel pass through the 4th 2/2-way solenoid valve 27, third air spring damper 22
Upper interconnection gas nozzle c be connected to the interior gas chamber 4 of third air spring damper 22, third road passes through the first 2/2-way solenoid valve
24, the lower interconnection gas nozzle d of the first air spring damper 20 is connected to the outer gas chamber 12 of the first air spring damper 20；
The interior gas chamber 4 of 4th air spring damper 23 is divided to two by the upper interconnection gas nozzle c of the 4th air spring damper 23
Road is connected to the second sky by the upper interconnection gas nozzle c of the 7th 2/2-way solenoid valve 30, the second air spring damper 21 all the way
The interior gas chamber 4 of gas spring damper 21, another way pass through the 9th 2/2-way solenoid valve 32, third air spring damper 22
Upper interconnection gas nozzle c is connected to the interior gas chamber 4 of third air spring damper 22；
The outer gas chamber 12 of first air spring damper 20 is divided to two by the lower interconnection gas nozzle d of the first air spring damper 20
Road is connected to the second sky by the lower interconnection gas nozzle d of third 2/2-way solenoid valve 26, the second air spring damper 21 all the way
The outer gas chamber 12 of gas spring damper 21, another way pass through the 5th 2/2-way solenoid valve 28, third air spring damper 22
Lower interconnection gas nozzle d be connected to the outer gas chamber 12 of third air spring damper 22；
The outer gas chamber 12 of 4th air spring damper 23 passes through the lower interconnection gas nozzle d by the 4th air spring damper 23
Point two-way is connected to the by the lower interconnection gas nozzle d of the 6th 2/2-way solenoid valve 29, the second air spring damper 21 all the way
The outer gas chamber 12 of two air spring dampers 21, another way pass through the 8th 2/2-way solenoid valve 31, third air spring damping
The lower interconnection gas nozzle d of device 22 is connected to the outer gas chamber 12 of third air spring damper 22.
As shown in figure 5, a kind of application method for the interconnection type air suspension for interconnecting adjustable volume, comprising steps of
S1, a kind of interconnection type air suspension interconnecting adjustable volume were detected using early period；
S1.1, electronic control unit ECU judge interconnection adjustable volume according to signals such as air spring pressure, air spring heights
Whether interconnection type air suspension, which needs, is inflated；
S1.2 opens the solenoid valve for connecting each gas chamber if the interconnection type air suspension of interconnection adjustable volume needs to inflate, and leads to
Interior gas chamber (4) of the air inflation nozzle e to four air spring dampers, the outer gas chamber (12) for crossing the first air spring damper (20) are same
When be inflated, inflation finish the working method that suspension is determined according to Vehicle Speed；
S1.3, according to Vehicle Speed, is determined outstanding if the interconnection type air suspension of interconnection adjustable volume does not need to inflate
The working method of frame.
S2, vehicle at low speeds, interconnect the interconnection type air suspension work of adjustable volume；
S3, vehicle at high speeds, interconnect the interconnection type air suspension work of adjustable volume；
1. if speed is less than presetting speed threshold v0When, start low speed interconnection mode, cuts off between all interior gas chambers
Interconnection；
When vehicle is in starting or when on-position, the 5th 2/2-way solenoid valve 28, third throttle valve 39, the first two
Four way solenoid valve 33 and the conducting of two position four-way solenoid valve 35 of third, other solenoid valves are in original position, so that the first air spring
The longitudinal interconnection of the outer gas chamber 12 of damper 20 and third air spring damper 22, the second air spring damper 21 and the 4th are empty
The longitudinal interconnection of the outer gas chamber 12 of gas spring damper 23；Simultaneously the first air spring damper 20 and third air spring are subtracted
Shake the damper epicoele 7 and the crossed longitudinally interconnection of damper cavity of resorption 15, the second air spring damper 21 and the 4th air of device 22
The damper epicoele 7 of spring damper 23 and the crossed longitudinally interconnection of damper cavity of resorption 15；
When the vehicle is turning, 26, second liang of position four-way solenoid valves 34 of third 2/2-way solenoid valve, the 8th 2/2-way electricity
Magnet valve 31 and the 4th liang of position four-way solenoid valve 36 are connected, other solenoid valves are in original position, so that the first air spring damper
20 and second air spring damper 21 the laterally interconnection of outer gas chamber 12, third air spring damper 22 and the 4th air spring
The laterally interconnection of the outer gas chamber 12 of damper 23；Make the first air spring damper 20 and the second air spring damper 21 simultaneously
Damper epicoele 7 and 15 lateral cross of damper cavity of resorption interconnection, third air spring damper 22 and the 4th air spring subtract
Shake damper epicoele 7 and the interconnection of 15 lateral cross of damper cavity of resorption of device 23；
When straight line when driving, second liang of position four-way solenoid valve 34 and the 4th liang of position four-way solenoid valve 36 are connected, other
Solenoid valve is in original position, and the interior gas chamber and outer gas chamber of four air spring dampers do not interconnect, the first air spring damping
The interconnection of the damper epicoele 7 and 15 lateral cross of damper cavity of resorption of device 20 and the second air spring damper 21, third air bullet
The interconnection of the damper epicoele 7 and 15 lateral cross of damper cavity of resorption of spring damper 22 and the 4th air spring damper 23；
2. if speed is greater than presetting speed threshold v0When, start high speed interconnection mode, cuts off between all outer gas chambers
Interconnection；
When vehicle is in acceleration or deceleration state, the 4th 2/2-way solenoid valve 27, the 7th 2/2-way solenoid valve 30,
First liang of position four-way solenoid valve 33 and the conducting of two position four-way solenoid valve 35 of third, other solenoid valves are in original position, so that first
The longitudinal interconnection of the interior gas chamber 4 of air spring damper 20 and third air spring damper 22, the second air spring damper 21
With the longitudinal interconnection of interior gas chamber 4 of the 4th air spring damper 23；Make the first air spring damper 20 and third empty simultaneously
The damper epicoele 7 of gas spring damper 22 and the crossed longitudinally interconnection of damper cavity of resorption 15,21 He of the second air spring damper
The damper epicoele 7 of 4th air spring damper 23 and the crossed longitudinally interconnection of damper cavity of resorption 15.
When the vehicle is turning, 26, second liang of position four-way solenoid valves 34 of third 2/2-way solenoid valve, the 8th 2/2-way electricity
Magnet valve 31 and the 4th liang of position four-way solenoid valve 36 are connected, other solenoid valves are in original position, so that the first air spring damper
20 and second air spring damper 21 the laterally interconnection of outer gas chamber 12, third air spring damper 22 and the 4th air spring
The laterally interconnection of the outer gas chamber 12 of damper 23；Make the first air spring damper 20 and the second air spring damper 21 simultaneously
Damper epicoele 7 and 15 lateral cross of damper cavity of resorption interconnection, third air spring damper 22 and the 4th air spring subtract
Shake damper epicoele 7 and the interconnection of 15 lateral cross of damper cavity of resorption of device 23；
When straight line when driving, second liang of position four-way solenoid valve 34 and the 4th liang of position four-way solenoid valve 36 are connected, other
Solenoid valve is in original position, and the interior gas chamber and outer gas chamber of four air spring dampers do not interconnect, the first air spring damping
The interconnection of the damper epicoele 7 and 15 lateral cross of damper cavity of resorption of device 20 and the second air spring damper 21, third air bullet
The interconnection of the damper epicoele 7 and 15 lateral cross of damper cavity of resorption of spring damper 22 and the 4th air spring damper 23.
It is a kind of interconnect adjustable volume interconnection type air suspension and its application method working principle and the course of work it is as follows:
System works early period, and ECU electronic control unit is according to operation schematic diagram shown in fig. 5, according to air spring pressure, height
Equal signals judge whether system needs to inflate, if system needs to inflate, open all 2/2-way solenoid valves, guarantee each
The circulation of gas between gas chamber is carried out by the way that the air inflation nozzle e of the first air spring damper 20 is unified to gas chamber each in system
Inflation enters corresponding interconnection mode according to Vehicle Speed after inflation.
The course of work of interconnection type air suspension under low-speed situations: when speed is less than presetting speed threshold v0When, it opens
Dynamic low speed interconnection mode,
(1) if uniform rectilinear when driving, second liang of position four-way solenoid valve 34 and the 4th liang of position four-way solenoid valve 36 are connected,
His solenoid valve is in original position, and the interior gas chamber 4 and outer gas chamber 12 of all air spring dampers are not involved in interconnection；First air
Oil liquid in the damper epicoele 7 of spring damper 20 pass sequentially through the slot 11 of the first air spring damper 20, through-hole 10,
Upper interconnection via hole a and 37, second liang of position four-way solenoid valves 34 of first throttle valve, the second the lower of air spring damper 21 interconnected
Hole b is connected with oil liquid in the damper cavity of resorption 15 of the second air spring damper 21；Second air spring damper 21 subtracts
Oil liquid in shake device epicoele 7 passes sequentially through the slot 11, through-hole 10, upper interconnection via hole a, second of the second air spring damper 21
The lower interconnection via hole b and the first air spring of 38, second liang of position four-way solenoid valves 34 of throttle valve, the first air spring damper 20
Oil liquid in the damper cavity of resorption 15 of damper 20 is connected；Oil in the damper epicoele 7 of third air spring damper 22
Liquid passes sequentially through slot 11, through-hole 10, upper interconnection via hole a, the third throttle valve 39, the 4th liang of third air spring damper 22
Position four-way solenoid valve 36, the 4th air spring damper 23 lower interconnection via hole b and the 4th air spring damper 23 damping
Oil liquid is connected in device cavity of resorption 15；Oil liquid in the damper epicoele 7 of 4th air spring damper 23 passes sequentially through the 4th sky
The slot 11 of gas spring damper 23, through-hole 10, upper interconnection via hole a, the 4th throttle valve 40, the 4th liang of position four-way solenoid valve 36,
The lower interconnection via hole b of third air spring damper 22 and oil liquid phase in the damper cavity of resorption 15 of third air spring damper 22
Connection；The damper epicoele 7 and damper cavity of resorption 15 of first air spring damper 20 and the second air spring damper 21 are horizontal
To cross interconnected, under the damper epicoele 7 and damper of third air spring damper 22 and the 4th air spring damper 23
The interconnection of 15 lateral cross of chamber；Realize under the premise of not reducing suspension rate, by with vehicle left side and right hand side air spring
The upper and lower chamber of damper is cross interconnected, improves the anti-rolling capability in vehicle travel process.
(2) when vehicle is in starting or on-position, the 5th 2/2-way solenoid valve 28, the 6th 2/2-way solenoid valve
29, first liang of position four-way solenoid valve 33 and the conducting of two position four-way solenoid valve 35 of third, other solenoid valves are in original position；First is empty
Oil liquid in the damper epicoele 7 of gas spring damper 20 passes sequentially through slot 11, the through-hole of the first air spring damper 20
10, it is upper interconnection via hole a and 37, first liang of position four-way solenoid valves 33 of first throttle valve, third air spring damper 22 it is lower mutually
Connection via hole b is connected with oil liquid in the damper cavity of resorption 15 of third air spring damper 22；Second air spring damper 21
Damper epicoele 7 in oil liquid pass sequentially through the slot 11 of the second air spring damper 21, through-hole 10, upper interconnection via hole a,
Second throttle 38, two position four-way solenoid valve 35 of third, the 4th air spring damper 23 lower interconnection via hole b and the 4th air
Oil liquid in the damper cavity of resorption 15 of spring damper 23 is connected；In the damper epicoele 7 of third air spring damper 22
Oil liquid pass sequentially through slot 11, through-hole 10, upper interconnection via hole a, the third throttle valve 39, of third air spring damper 22
One liang of position four-way solenoid valve 33, the lower interconnection via hole b of the first air spring damper 20 and the first air spring damper 20
Oil liquid is connected in damper cavity of resorption 15；Oil liquid in the damper epicoele 7 of 4th air spring damper 23 passes sequentially through
Slot 11, through-hole 10, the upper interconnection via hole a, the 4th throttle valve 40, two position four-way solenoid valve of third of four air spring dampers 23
35, oil in the lower interconnection via hole b of the second air spring damper 21 and the damper cavity of resorption 15 of the second air spring damper 21
Liquid phase connection；
Gas in the outer gas chamber 12 of first air spring damper 20 passes through the lower mutual of the first air spring damper 20
Join the lower interconnection gas nozzle d and third air spring of gas nozzle d, the 5th 2/2-way solenoid valve 28, third air spring damper 22
Gas is connected in the outer gas chamber 12 of damper 22；Gas in the outer gas chamber 12 of second air spring damper 21 passes through second
The lower interconnection gas nozzle d of air spring damper 22, the 6th 2/2-way solenoid valve 29, the 4th air spring damper 23 it is lower mutually
Connection gas nozzle d is connected with gas in the outer gas chamber 12 of the 4th air spring damper 23；
The longitudinal interconnection of the outer gas chamber 12 of first air spring damper 20 and third air spring damper 22, the second air
The longitudinal interconnection of the outer gas chamber 12 of spring damper 21 and the 4th air spring damper 23；Make the first air spring damping simultaneously
The crossed longitudinally interconnection of damper epicoele 7 and damper cavity of resorption 15 of device 20 and third air spring damper 22, the second air bullet
The crossed longitudinally interconnection of damper epicoele 7 and damper cavity of resorption 15 of spring damper 21 and the 4th air spring damper 23.Air
Longitudinal interconnection of the outer gas chamber 12 of spring damper, reduces the rigidity of suspension, improves riding comfort；Air bullet before and after vehicle
Longitudinal interconnection between the damper epicoele 7 and damper cavity of resorption 15 of spring damper, then improve vehicle in starting or braking
Pitching resistance energy.
(3) when vehicle turning when driving, 26, second liang of position four-way solenoid valves 34 of third 2/2-way solenoid valve, the 8th liang
Two three-way electromagnetic valves 31 of position and the 4th liang of position four-way solenoid valve 36 are connected, other solenoid valves are in original position；
Oil liquid in the damper epicoele 7 of first air spring damper 20 passes sequentially through the first air spring damper 20
Slot 11, through-hole 10, upper interconnection via hole a and first throttle valve 37, second liang of position four-way solenoid valves 34, second air springs subtract
The lower interconnection via hole b of shake device 21 is connected with oil liquid in the damper cavity of resorption 15 of the second air spring damper 21；Second air
Oil liquid in the damper epicoele 7 of spring damper 21 pass sequentially through the slot 11 of the second air spring damper 21, through-hole 10,
Upper interconnection via hole a and 38, second liang of position four-way solenoid valves 34 of second throttle, the first the lower of air spring damper 20 interconnected
Hole b is connected with oil liquid in the damper cavity of resorption 15 of the first air spring damper 20；Third air spring damper 22 subtracts
Oil liquid in shake device epicoele 7 passes sequentially through the slot 11 of third air spring damper 22, through-hole 10, upper interconnection via hole a and the
Three throttle valves 39, the 4th liang of position four-way solenoid valve 36, the 4th air spring damper 23 lower interconnection via hole b and the 4th air bullet
Oil liquid is connected in the damper cavity of resorption 15 of spring damper 23；Oil in the damper epicoele 7 of 4th air spring damper 23
Liquid passes sequentially through slot 11, through-hole 10, upper interconnection via hole a and the 4th throttle valve the 40, the 4th of the 4th air spring damper 23
Two position four-way solenoid valves 36, the lower interconnection via hole b of third air spring damper 22 and subtracting for third air spring damper 22
Oil liquid is connected in shake device cavity of resorption 15；
Gas in the outer gas chamber 12 of first air spring damper 20 passes through the lower mutual of the first air spring damper 20
Join the lower interconnection gas nozzle d and the second air spring of gas nozzle d, third 2/2-way solenoid valve 26, the second air spring damper 21
Gas is connected in the outer gas chamber 12 of damper 21；Gas in the outer gas chamber 12 of third air spring damper 22 passes through third
The lower interconnection gas nozzle d of air spring damper 22, the 8th 2/2-way solenoid valve 31, the 4th air spring damper 23 it is lower mutually
Connection gas nozzle d is connected with gas in the outer gas chamber 12 of the 4th air spring damper 23；
So that the laterally interconnection of the outer gas chamber 12 of the first air spring damper 20 and the second air spring damper 21, third
The laterally interconnection of the outer gas chamber 12 of air spring damper 22 and the 4th air spring damper 23；Make the first air spring simultaneously
The interconnection of the damper epicoele 7 and 15 lateral cross of damper cavity of resorption of damper 20 and the second air spring damper 21, third are empty
The interconnection of the damper epicoele 7 and 15 lateral cross of damper cavity of resorption of gas spring damper 22 and the 4th air spring damper 23.
The lateral interconnection of the outer gas chamber 12 of air spring damper, reduces the rigidity of suspension, improves riding comfort；On damper,
Lateral interconnection between cavity of resorption then improves anti-rolling capability of the vehicle in turning.
The course of work of interconnection type air suspension under high-speed case: when speed is greater than presetting speed threshold v0When, it opens
Dynamic high speed interconnection mode,
(1) if uniform rectilinear when driving, it is identical as control program when low vehicle speeds, no longer describe herein.
(2) when vehicle is in acceleration or deceleration state, the 4th 2/2-way solenoid valve 27, the 7th 2/2-way solenoid valve
30, first liang of position four-way solenoid valve 33 and the conducting of two position four-way solenoid valve 35 of third, other solenoid valves are in original position；
Gas in the interior gas chamber 4 of first air spring damper 20 passes through the upper interconnection of the first air spring damper 20
Gas nozzle c, the 4th 2/2-way solenoid valve 27, the upper interconnection gas nozzle c of third air spring damper 22 and third air spring subtract
Gas in the interior gas chamber 4 of device 22 is shaken to be connected；Gas in the interior gas chamber 4 of second air spring damper 21 passes through the second air
The upper interconnection gas nozzle c of spring damper 21, the 7th 2/2-way solenoid valve 30, the 4th air spring damper 23 upper interconnection gas
Mouth c is connected with gas in the interior gas chamber 4 of the 4th air spring damper 23；Realize the first air spring damper 20 and
The longitudinal interconnection of the interior gas chamber 4 of three air spring dampers 22, the second air spring damper 21 and the 4th air spring damper
The longitudinal interconnection of 23 interior gas chamber 4, reduces the rigidity of suspension, improves riding comfort；
Make damper epicoele 7 and the damping of the first air spring damper 20 and third air spring damper 22 simultaneously
The crossed longitudinally interconnection of device cavity of resorption 15, the damper epicoele 7 of the second air spring damper 21 and the 4th air spring damper 23
With the crossed longitudinally interconnection of damper cavity of resorption 15.Wherein crossed longitudinally interconnection process and vehicle low speed row between air spring damper
Identical when sailing, details are not described herein.Realize longitudinal interconnection between the upper and lower chamber of damper, then improve vehicle accelerating or
Pitching resistance energy when deceleration.
(3) when the vehicle is turning, the second 2/2-way solenoid valve 25, the 9th 2/2-way solenoid valve 32, the second two four
Three-way electromagnetic valve 34 and the 4th liang of position four-way solenoid valve 36 are connected, other solenoid valves are in original position；
Gas in the interior gas chamber 4 of first air spring damper 20 passes through the upper interconnection of the first air spring damper 20
Gas nozzle c, the second 2/2-way solenoid valve 25, the second air spring damper 21 upper interconnection gas nozzle c and the second air spring subtract
Gas in the interior gas chamber 4 of device 21 is shaken to be connected；Gas in the interior gas chamber 4 of third air spring damper 22 passes through third air
The upper interconnection gas nozzle c of spring damper 22, the 9th 2/2-way solenoid valve 32, the 4th air spring damper 23 upper interconnection gas
Mouth c is connected with gas in the interior gas chamber 4 of the 4th air spring damper 23；Realize the first air spring damper 20 and
The laterally interconnection of the interior gas chamber 4 of two air spring dampers 21, third air spring damper 22 and the 4th air spring damper
The laterally interconnection of 23 interior gas chamber 4, reduces the rigidity of suspension, improves riding comfort；Simultaneously the first air spring is subtracted
Shake damper epicoele 7 and 15 lateral cross of damper the cavity of resorption interconnection of device 20 and the second air spring damper 21, third air
The interconnection of the damper epicoele 7 and 15 lateral cross of damper cavity of resorption of spring damper 22 and the 4th air spring damper 23.Its
Identical when lateral cross interconnection process is with low vehicle speeds between middle air spring damper, details are not described herein；It realizes
Lateral interconnection between the upper and lower chamber of damper then improves anti-rolling capability of the vehicle in turning.
Claims (7)
1. a kind of interconnection type air suspension for interconnecting adjustable volume, which is characterized in that including four air spring dampers, nine
2/2-way solenoid valve, four two position four-way solenoid valves and four throttle valves；
Four air spring dampers are identical, each include upper interconnection via hole a, lower interconnection via hole b, upper interconnection gas nozzle c,
Lower interconnection gas nozzle d, interior gas chamber (4), outer gas chamber (12), damper epicoele (7), damper cavity of resorption (15) and piston lever of reducer
(9), the volume of the interior gas chamber (4) is less than the volume of outer gas room (12), and the center of the piston lever of reducer (9) is provided with through-hole
(10), the lower end of the piston lever of reducer (9) is provided with slot (11), and through-hole (10) is connected to slot (11)；
The damper epicoele (7) of first air spring damper (20) passes sequentially through the slot of the first air spring damper (20)
(11), through-hole (10), upper interconnection via hole a are connected with one end of first throttle valve (37), the first throttle valve (37) it is another
Two-way is divided at end, is connected all the way by the lower interconnection via hole b of second liang of position four-way solenoid valve (34), the second air spring damper (21)
Be connected to the damper cavity of resorption (15) of the second air spring damper (21), another way by first liang of position four-way solenoid valve (33),
The lower interconnection via hole b of third air spring damper (22) is connected to the damper cavity of resorption of third air spring damper (22)
(15)；
The damper epicoele (7) of second air spring damper (21) passes sequentially through the slot of the second air spring damper (21)
(11), through-hole (10), upper interconnection via hole a are connected with one end of second throttle (38), the second throttle (38) it is another
Two-way is divided at end, is connected all the way by the lower interconnection via hole b of second liang of position four-way solenoid valve (34), the first air spring damper (20)
Be connected to the damper cavity of resorption (15) of the first air spring damper (20), another way by two position four-way solenoid valve of third (35),
The lower interconnection via hole b of 4th air spring damper (23) is connected to the damper cavity of resorption of the 4th air spring damper (23)
(15)；
The damper epicoele (7) of third air spring damper (22) passes sequentially through the slot of third air spring damper (22)
(11), through-hole (10), upper interconnection via hole a are connected with one end of third throttle valve (39), the third throttle valve (39) it is another
Two-way is divided at end, is connected all the way by the lower interconnection via hole b of first liang of position four-way solenoid valve (33), the first air spring damper (20)
Be connected to the damper cavity of resorption (15) of the first air spring damper (20), another way by the 4th liang of position four-way solenoid valve (36),
The lower interconnection via hole b of 4th air spring damper (23) is connected to the damper cavity of resorption of the 4th air spring damper (23)
(15)；
The damper epicoele (7) of 4th air spring damper (23) passes sequentially through the slot of the 4th air spring damper (23)
(11), through-hole (10), upper interconnection via hole a are connected with one end of the 4th throttle valve (40), the 4th throttle valve (40) it is another
Two-way is divided at end, is connected all the way by the lower interconnection via hole b of two position four-way solenoid valve of third (35), the second air spring damper (21)
Be connected to the damper cavity of resorption (15) of the second air spring damper (21), another way by the 4th liang of position four-way solenoid valve (36),
The lower interconnection via hole b of third air spring damper (22) is connected to the damper cavity of resorption of third air spring damper (22)
(15)；
The interior gas chamber (4) of first air spring damper (20) is divided by the upper interconnection gas nozzle c of the first air spring damper (20)
Three tunnels, the first via pass through the upper interconnection gas nozzle c connection of the second 2/2-way solenoid valve (25), the second air spring damper (21)
To the interior gas chamber (4) of the second air spring damper (21), the second tunnel passes through the 4th 2/2-way solenoid valve (27), third air
The upper interconnection gas nozzle c of spring damper (22) is connected to the interior gas chamber (4) of third air spring damper (22), and third road passes through
First 2/2-way solenoid valve (24), the first air spring damper (20) lower interconnection gas nozzle d be connected to the first air spring
The outer gas chamber (12) of damper (20)；
The interior gas chamber (4) of 4th air spring damper (23) is divided by the upper interconnection gas nozzle c of the 4th air spring damper (23)
Two-way is connected to by the upper interconnection gas nozzle c of the 7th 2/2-way solenoid valve (30), the second air spring damper (21) all the way
The interior gas chamber (4) of second air spring damper (21), another way pass through the 9th 2/2-way solenoid valve (32), third air bullet
The upper interconnection gas nozzle c of spring damper (22) is connected to the interior gas chamber (4) of third air spring damper (22)；
The outer gas chamber (12) of first air spring damper (20) is divided by the lower interconnection gas nozzle d of the first air spring damper (20)
Two-way is connected to by the lower interconnection gas nozzle d of third 2/2-way solenoid valve (26), the second air spring damper (21) all the way
The outer gas chamber (12) of second air spring damper (21), another way pass through the 5th 2/2-way solenoid valve (28), third air
The lower interconnection gas nozzle d of spring damper (22) is connected to the outer gas chamber (12) of third air spring damper (22)；
The outer gas chamber (12) of 4th air spring damper (23) passes through the lower interconnection gas by the 4th air spring damper (23)
Mouth d divides two-way, passes through the 6th 2/2-way solenoid valve (29), the lower interconnection gas nozzle d of the second air spring damper (21) all the way
It is connected to the outer gas chamber (12) of the second air spring damper (21), another way passes through the 8th 2/2-way solenoid valve (31), the
The lower interconnection gas nozzle d of three air spring dampers (22) is connected to the outer gas chamber (12) of third air spring damper (22).
2. a kind of interconnection type air suspension for interconnecting adjustable volume according to claim 1, which is characterized in that the air
Spring damper further includes upper lifting lug (1), upper mounting plate (2), upper cover plate (3), shock absorber piston upper cover plate (5), outer air chamber vesicle
Skin (6), interior air chamber sleeve (8), shock absorber piston (13), interior air chamber vesicle skin (14), damper outer wall (16), lower installation board
(17), lower lifting lug (18) and lower cover plate (19).
3. a kind of interconnection type air suspension for interconnecting adjustable volume according to claim 2, which is characterized in that the upper peace
Loading board (2) and lower installation board (17) are rectangle curved slab.
4. a kind of interconnection type air suspension for interconnecting adjustable volume according to claim 2, which is characterized in that described to hang oneself
Ear (1) is successively welded with upper mounting plate (2), upper cover plate (3), and the middle position of upper cover plate (3) lower end is cast with interior gas chamber set
Cylinder (8), the center of the interior air chamber sleeve (8) are cast with interconnection via hole a, and upper interconnection via hole a and piston lever of reducer
(9) through-hole (10) connection, the bottom end of the piston lever of reducer (9) are connected with shock absorber piston (13), and the damper is living
It fills in (13) and damper outer wall (16) is divided into damper epicoele (7) and damper cavity of resorption (15) two parts, the damper outer wall
(16) top is sealed by shock absorber piston upper cover plate (5), and damper outer wall (16) bottom end is welded on lower cover plate (19)
Middle position, the lower cover plate (19) is successively welded with lower installation board (17), lower lifting lug (18), on the damper outer wall (16)
End forms interior gas chamber (4) by interior air chamber vesicle skin (14), and the upper cover plate (3) and lower cover plate (19) pass through outer air chamber vesicle skin (6)
Outer gas chamber (12) is formed, the upper cover plate (3) is cast with interconnection gas nozzle c, and upper interconnection gas nozzle c and interior gas chamber at center
(4) it is connected to, the center of the lower cover plate (19) is cast with lower interconnection via hole b, and lower interconnection via hole b and damper cavity of resorption (15)
Connection, the edge of the lower cover plate (19) is cast with lower interconnection gas nozzle d, and lower interconnection gas nozzle d is connected to outer gas chamber (12)；Wherein
The edge of the lower cover plate (19) of first air spring damper (20) is also cast with air inflation nozzle e, and air inflation nozzle e and outer gas chamber (12)
Connection.
5. a kind of interconnection type air suspension for interconnecting adjustable volume according to claim 2, which is characterized in that the damping
The shape of device outer wall (16), interior gas chamber (4) and interior air chamber sleeve (8) is cylindrical body.
6. a kind of application method of the interconnection type air suspension of interconnection adjustable volume as described in claim 1, which is characterized in that
Include the following steps:
S1, a kind of interconnection type air suspension interconnecting adjustable volume were detected using early period；
S2, vehicle at low speeds, interconnect the interconnection type air suspension work of adjustable volume；
S3, vehicle at high speeds, interconnect the interconnection type air suspension work of adjustable volume；
Interconnect the interconnection type air suspension work step of adjustable volume:
1. if speed is less than presetting speed threshold v0When, start low speed interconnection mode, cuts off mutual between all interior gas chambers
Connection；
When vehicle is in starting or when on-position, the 5th 2/2-way solenoid valve (28), third throttle valve (39), the first two
Four way solenoid valve (33) and two position four-way solenoid valve of third (35) conducting, other solenoid valves are in original position, so that the first air
The outer gas chamber (12) of spring damper (20) and third air spring damper (22) longitudinally interconnects, the second air spring damper
(21) it is longitudinally interconnected with the outer gas chamber (12) of the 4th air spring damper (23)；Make the first air spring damper simultaneously
(20) and the damper epicoele (7) of third air spring damper (22) and damper cavity of resorption (15) crossed longitudinally interconnection, second
The damper epicoele (7) and damper cavity of resorption (15) of air spring damper (21) and the 4th air spring damper (23) are longitudinal
It is cross interconnected；
When the vehicle is turning, third 2/2-way solenoid valve (26), second liang of position four-way solenoid valve (34), the 8th 2/2-way electricity
Magnet valve (31) and the 4th liang of position four-way solenoid valve (36) conducting, other solenoid valves are in original position, so that the first air spring subtracts
Shake outer gas chamber (12) the laterally interconnection of device (20) and the second air spring damper (21), third air spring damper (22) and
The outer gas chamber (12) of 4th air spring damper (23) laterally interconnects；Make the first air spring damper (20) and the simultaneously
The damper epicoele (7) and damper cavity of resorption (15) lateral cross of two air spring dampers (21) interconnect, third air spring
The damper epicoele (7) and damper cavity of resorption (15) lateral cross of damper (22) and the 4th air spring damper (23) are mutual
Connection；
When straight line when driving, second liang of position four-way solenoid valve (34) and the conducting of the 4th liang of position four-way solenoid valve (36), other
Solenoid valve is in original position, and the interior gas chamber and outer gas chamber of four air spring dampers do not interconnect, the first air spring damping
The interconnection of the damper epicoele (7) and damper cavity of resorption (15) lateral cross of device (20) and the second air spring damper (21), the
The damper epicoele (7) and damper cavity of resorption (15) of three air spring dampers (22) and the 4th air spring damper (23) are horizontal
To cross interconnected；
2. if speed is greater than presetting speed threshold v0When, start high speed interconnection mode, cuts off mutual between all outer gas chambers
Connection；
When vehicle is in acceleration or deceleration state, the 4th 2/2-way solenoid valve (27), the 7th 2/2-way solenoid valve (30),
First liang of position four-way solenoid valve (33) and two position four-way solenoid valve of third (35) conducting, other solenoid valves are in original position, so that
The interior gas chamber (4) of first air spring damper (20) and third air spring damper (22) longitudinally interconnects, the second air bullet
The interior gas chamber (4) of spring damper (21) and the 4th air spring damper (23) longitudinally interconnects；Make the first air spring simultaneously
The damper epicoele (7) and damper cavity of resorption (15) of damper (20) and third air spring damper (22) are crossed longitudinally mutually
Connection, the damper epicoele (7) and damper cavity of resorption of the second air spring damper (21) and the 4th air spring damper (23)
(15) crossed longitudinally interconnection；
When the vehicle is turning, third 2/2-way solenoid valve (26), second liang of position four-way solenoid valve (34), the 8th 2/2-way electricity
Magnet valve (31) and the 4th liang of position four-way solenoid valve (36) conducting, other solenoid valves are in original position, so that the first air spring subtracts
Shake outer gas chamber (12) the laterally interconnection of device (20) and the second air spring damper (21), third air spring damper (22) and
The outer gas chamber (12) of 4th air spring damper (23) laterally interconnects；Make the first air spring damper (20) and the simultaneously
The damper epicoele (7) and damper cavity of resorption (15) lateral cross of two air spring dampers (21) interconnect, third air spring
The damper epicoele (7) and damper cavity of resorption (15) lateral cross of damper (22) and the 4th air spring damper (23) are mutual
Connection；
When straight line when driving, second liang of position four-way solenoid valve (34) and the conducting of the 4th liang of position four-way solenoid valve (36), other
Solenoid valve is in original position, and the interior gas chamber and outer gas chamber of four air spring dampers do not interconnect, the first air spring damping
The interconnection of the damper epicoele (7) and damper cavity of resorption (15) lateral cross of device (20) and the second air spring damper (21), the
The damper epicoele (7) and damper cavity of resorption (15) of three air spring dampers (22) and the 4th air spring damper (23) are horizontal
To cross interconnected.
7. a kind of application method of interconnection type air suspension for interconnecting adjustable volume according to claim 6, feature exist
In a kind of interconnection type air suspension for interconnecting adjustable volume of the S1 includes: the step of detection using early period
S1.1, electronic control unit ECU are according to air spring pressure, the interconnection type of air spring height signal judgement interconnection adjustable volume
Whether air suspension, which needs, is inflated；
S1.2 opens the solenoid valve for connecting each gas chamber if the interconnection type air suspension of interconnection adjustable volume needs to inflate, by the
The air inflation nozzle e of one air spring damper (20) to the interior gas chambers (4) of four air spring dampers, outer gas chamber (12) simultaneously into
Row inflation, inflation finish the working method that suspension is determined according to Vehicle Speed；
S1.3, according to Vehicle Speed, determines suspension if the interconnection type air suspension of interconnection adjustable volume does not need to inflate
Working method.
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| CN201610705081.4A CN106314058B (en) | 2016-08-22 | 2016-08-22 | A kind of interconnection type air suspension and its application method interconnecting adjustable volume |
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| CN201610705081.4A CN106314058B (en) | 2016-08-22 | 2016-08-22 | A kind of interconnection type air suspension and its application method interconnecting adjustable volume |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813672A (en) * | 2017-10-30 | 2018-03-20 | 江苏大学 | Distributed laterally interconnection air suspension control system and method |
| CN108099536A (en) * | 2018-01-25 | 2018-06-01 | 广州市米萨汽车电子科技有限公司 | It is a kind of to damp continuously adjustable and variable rigidity control system and vehicle |
| CN108749506B (en) * | 2018-07-04 | 2019-03-26 | 湖南工学院 | A kind of interconnection type variable volume air suspension and its control method |
| CN109606055B (en) * | 2018-11-29 | 2021-06-18 | 江苏大学 | Air suspension system and method and vehicle provided with system |
| CN112918500A (en) * | 2019-12-05 | 2021-06-08 | 中车唐山机车车辆有限公司 | Support mode control system and control method, rail vehicle and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1429045A2 (en) * | 2002-12-11 | 2004-06-16 | Phoenix AG | Air spring arrangement |
| CN103244597A (en) * | 2013-04-28 | 2013-08-14 | 江苏科技大学 | Four-gear air spring with adjustable volume and method for controlling four-gear air spring |
| CN105465260A (en) * | 2015-12-29 | 2016-04-06 | 江苏大学 | In-interconnection adjustable-volume transverse interconnection air springs and control method |
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2016
- 2016-08-22 CN CN201610705081.4A patent/CN106314058B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1429045A2 (en) * | 2002-12-11 | 2004-06-16 | Phoenix AG | Air spring arrangement |
| CN103244597A (en) * | 2013-04-28 | 2013-08-14 | 江苏科技大学 | Four-gear air spring with adjustable volume and method for controlling four-gear air spring |
| CN105465260A (en) * | 2015-12-29 | 2016-04-06 | 江苏大学 | In-interconnection adjustable-volume transverse interconnection air springs and control method |
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