CN204526712U - A kind of liquid electricity Integral vehicle suspension impedance control device - Google Patents
A kind of liquid electricity Integral vehicle suspension impedance control device Download PDFInfo
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- CN204526712U CN204526712U CN201520072646.0U CN201520072646U CN204526712U CN 204526712 U CN204526712 U CN 204526712U CN 201520072646 U CN201520072646 U CN 201520072646U CN 204526712 U CN204526712 U CN 204526712U
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Abstract
The utility model provides a kind of liquid electricity Integral vehicle suspension impedance control device, comprise motor cylinder barrel, machine operation chamber, mover axle, support end face, inner cylinder tube epitrochoidal chamber, inner cylinder tube end face and outer cylinder end face, motor cylinder barrel top arranges hanger, and outer cylinder end face bottom connects lower hanger; Motor cylinder barrel madial wall is radially provided with the motor stator of uniform winding, and winding is connected with outer end control circuit; Motor cylinder barrel lower end is fixedly connected with the support end face of perforate; Support end face respectively and between inner cylinder tube end face and outer cylinder end face, be provided with the sealing arrangement that can compress vertically or stretch; One end of mover axle extends the top in machine operation chamber, and the other end is fixedly connected with inner cylinder tube end face through supporting end face; Mover axle is provided with mover magnetic pole and mover yoke.Impedance control device described in the utility model is by changing the impedance of outer end load circuit, and the high-order impedance that can realize arbitrary form is expressed, and possesses more superior dynamic characteristics, and principle is simple, and structural behaviour is stablized.
Description
Technical field
The utility model belongs to automotive field, particularly relates to a kind of inertia impedance by fluid power flatly moving type quality amplifier element and linear electric motors coupling and forms the liquid electricity Integral vehicle suspension impedance control device that electrical impedance formed jointly.
Background technology
The performance quality of vehicle suspension has important impact to ride of vehicle, road-holding property and driving safety.Emerge diversified Pendant Structure Of Vehicle in recent years, the vehicle ISD suspension be made up of " used container-spring-damper " (Inerter-Spring-Damper) three class two-end-point mechanical element has good vibration isolation potentiality, has obtained the concern of many scholars.Dynamo-electric similarity theory based on " power-electric current " that the proposition of used container is perfect, makes the used container in mechanical network, spring, damping achieves complete corresponding with the electric capacity in electricity network, inductance, resistance.Therefore, research theoritical analysis method in electricity network can directly apply to mechanical network, the structure design that Chinese scholars adopts electricity Principles of Network to carry out vehicle ISD suspension is one after another attempted, the Smith of Cambridge University teaches the conventional method that introduction uses network synthesis Theoretical Design ISD mechanical network, but it is comparatively complicated with the positive real vehicle ISD suspension frame structure comprehensively obtained of the network of target transfer function, due to the installation of suspension in engineer applied and usage space limited, the complicated impedance manner that network synthesis obtains is difficult to realize.
US Patent No. 2010/0148463A1 discloses a kind of dynamo-electric used matter suspension system, the leading screw drive motor mover utilizing ball screw type to be used to the rotation of container on the go rotates and produces induced electric motive force and inducing current, and changes the effect of suspension impedance operator by the impedance realization changing outer terminal circuit.But the non-linear factor such as back clearance, friction force of ball screw assembly, is comparatively large to its practical performance impact, and the impedance operator of suspension is comparatively complicated, can not realize the efficient coupling of electrical impedance and mechanical impedance preferably.Therefore, in the urgent need to a kind of vehicle suspension impedance control device that can realize complicated impedance manner in engineering, make ride of vehicle, road-holding property improves.
Utility model content
In order to overcome the immutable deficiency of mechanical type suspension impedance that prior art exists, the utility model proposes a kind of liquid electricity Integral vehicle suspension impedance control device be coupled to form by fluid power flatly moving type quality amplifier element and linear electric motors.Because mechanical impedance structural consolidation is immutable, adopt the adjustment of scheme realization to suspension composite impedance changing electrical impedance, and its mechanism of action is simple, affects less, stable performance by non-linear factor.
The utility model realizes above-mentioned technical purpose by following technological means.
A kind of liquid electricity Integral vehicle suspension impedance control device, comprises motor cylinder barrel, machine operation chamber, mover axle, supports end face, inner cylinder tube epitrochoidal chamber, inner cylinder tube end face and outer cylinder end face; Described motor cylinder barrel top is provided with hanger; Described motor cylinder barrel madial wall is radially fixed with motor stator, and be evenly equipped with winding in described motor stator, described winding is connected with outer end control circuit; The middle part of described motor stator is provided with mover axle; One end of described mover axle extends the top in machine operation chamber, and the other end is fixedly connected with inner cylinder tube end face through the perforate supported on end face; Described mover axle is fixed with multiple mover magnetic pole and mover yoke assembly; The upper surface of described support end face is fixedly connected with motor cylinder barrel lower surface; Described support end face lower surface respectively and be provided with the sealing arrangement that can stretch vertically between the upper surface of inner cylinder tube end face and outer cylinder end face; Described inner cylinder tube end face between support end face and outer cylinder end face, and corresponds to the position supporting the perforate of end face institute; Described outer cylinder end face bottom is fixedly connected with lower hanger.
Further, the described sealing arrangement that can stretch vertically is inner cylinder tube leather cup and outer cylinder leather cup, and described inner cylinder tube leather cup two ends are connected with support end face and inner cylinder tube end face respectively; Described outer cylinder leather cup is connected with support end face and outer cylinder end face respectively.
Further, described mover axle is positioned on the axis of motor stator, and the center supporting end face has the hole corresponding with mover axle.
Further, described upper hanger and motor cylinder barrel are welded as a whole, and described lower hanger and outer cylinder end face are welded as a whole.
Further, described support end face upper end and motor cylinder barrel are welded as a whole.
The beneficial effects of the utility model are:
The utility model is by arranging sealing arrangement, support end face, inner cylinder tube end face, outer cylinder end face, connection mover magnetic pole and the device such as the mover axle of mover yoke, the motor stator of uniform winding that can compress vertically or stretch, realize the suspension system impedance control device by machinery inertial impedance and electrical impedance combined action, avoid and produce by deficiencies such as gap, friction effects factor are larger in inertia impedance, simultaneously without the need to considering that the factors such as the friction force of electric machine structure itself affect by the movement conversion mechanism such as ball screw assembly, rack-and-gear.Liquid electricity Integral vehicle suspension impedance control device described in the utility model is by changing the impedance manner of outer end load circuit, the high-order impedance that can realize arbitrary form is expressed, possesses more superior dynamic characteristics, operating mechanism's principle is simple, structural behaviour is stablized, and integral structure scheme is easy to install.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is a kind of liquid electricity Integral vehicle suspension impedance control device schematic diagram.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Description of reference numerals is as follows:
The upper hanger of 1-, 2-motor cylinder barrel, 3-winding, 4-mover magnetic pole, 5-inner cylinder tube epitrochoidal chamber, 6-inner cylinder tube leather cup, 7-outer cylinder end face, hanger under 8-, 9-outer cylinder epitrochoidal chamber, 10-inner cylinder tube end face, 11-outer cylinder leather cup, 12-supports end face, 13-mover yoke, 14-motor stator, 15-machine operation chamber, 16-mover axle.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described; it is to be noted; only with one optimized technical scheme, the technical solution of the utility model and principle of design are described in detail below, but protection domain of the present utility model is not limited to this.
As shown in Figure 1, a kind of liquid electricity Integral vehicle suspension impedance control device, comprises motor cylinder barrel 2, inner cylinder tube epitrochoidal chamber 5, machine operation chamber 15, mover axle 16, supports end face 12, inner cylinder tube end face 10 and outer cylinder end face 7.Wherein, upper hanger 1 is welded as a whole with motor cylinder barrel 2, the madial wall of motor cylinder barrel 2 is radially fixed with motor stator 14, winding 3 is evenly equipped with in motor stator 14, mover magnetic pole 4 and mover yoke 13 are all fixed on mover axle 16, mover axle 16 stretches into interior outer cylinder epitrochoidal chamber 9 from machine operation chamber 15 via support end face 12, and with inner cylinder tube end face 10 concrete mutually of its inside, mover axle 16 can in the middle part of motor stator 14 up-and-down movement.Described support end face 12 upper end and motor cylinder barrel 2 are welded as a whole, described support end face 12 lower end and inner cylinder tube leather cup 6 and outer cylinder leather cup 11 concrete mutually, incompressible fluid is covered with in outer cylinder epitrochoidal chamber 9, inner cylinder tube leather cup 6 and outer cylinder leather cup 11 all can do radial compression and extensional motion, and strictly seal.Outer cylinder leather cup 11 lower end is connected with outer cylinder end face 7, and outer cylinder end face 7 and lower hanger 8 are welded as a whole.Upper hanger 1 is hinged with vehicle body, and lower hanger 8 is hinged with wheel, completes the installation of a kind of liquid electricity Integral vehicle suspension impedance control device thus.
Working process: when producing relative motion between upper hanger 1 and lower hanger 8, lower hanger 8 pushes outer cylinder leather cup 11 with outer cylinder end face 7 to be made it to move up or down, because the fluid be covered with in outer cylinder epitrochoidal chamber 9 is incompressible, therefore inner cylinder tube end face 10 promotes mover axle 16 up-and-down movement by the pressure effect of fluid, the mover yoke 13 be cemented on mover axle 16 produces relative motion with the winding 3 in motor stator 14 with mover magnetic pole 4 in machine operation chamber 15, generates induced electric motive force and is connected with outer terminal circuit.
From hydraulic cylinder works principle:
(v
2-v
1)S
1＝(v
a-v
1)S
2(1)
In formula, S
1, S
2be respectively the area of outer cylinder end face 7 and inner cylinder tube end face 10, v
1, v
2be respectively the speed of hanger 1, lower hanger 8, v
afor the speed of mover axle 16.Can be obtained by conservation of energy theorem:
Wherein, f is applied to the application force between hanger 1 and lower hanger 8, and m is the quality of mover axle 16,
for the acceleration/accel of mover axle 16.
(2) Shi Ke get substitutes into (1) formula both sides differentiate:
Due to S
1/ S
2general much larger than 1, so can approximate representation be:
Again because the impedance expression of linear electric motors is:
V
gs pull-type conversion that () is induced electric motive force, I
as () is faradic pull-type conversion, R
afor motor equivalent resistance, L
afor motor equivalent inductance, Z is external circuits impedance.
The inducing current produced according to linear electric motors and induced electric motive force relation can obtain:
V
g＝k
ev
a(6)
F
e＝k
tI
a(7)
Carry out force analysis to linear motor rotor can obtain:
F is applied to the application force on mover axle 16, F
efor electromagnetic force, k
tfor linear electric motors torque constant, k
efor linear electric motors back EMF constant, V
grepresent induced electric motive force.
According to aforementioned equation, the impedance expression that can obtain this liquid electricity integral type suspension impedance control device is:
That is:
Can find out, impedance control device is the composite impedance by mechanical impedance and electrical impedance common combination, due to mechanical element consolidation, be difficult to realize the variable of composite impedance by changing mechanical impedance in actual application, but the change of composite impedance can be realized by changing electrical impedance form, namely by changing the change of the more complicated suspension composite impedance of outer end circuit realiration.Compared to turning effort formula mechanical element and rotor, the hydraulic cylinder cartridge type quality amplifier element that the utility model proposes and linear electric motors affect less by non-linear factors such as frictions in the application, stable performance; Relative to the parameter Regulation Mechanism of active, semi-active suspension, the utility model has more superior dynamic property, and principle is simple, can realize more complicated suspension composite impedance form, have more wide application prospect.
Described embodiment is preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present utility model, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection domain of the present utility model.
Claims (5)
1. a liquid electricity Integral vehicle suspension impedance control device, it is characterized in that, comprise motor cylinder barrel (2), machine operation chamber (15), mover axle (16), support end face (12), inner cylinder tube epitrochoidal chamber (5), inner cylinder tube end face (10) and outer cylinder end face (7); Described motor cylinder barrel (2) top is provided with hanger (1); Described motor cylinder barrel (2) madial wall is radially fixed with motor stator (14), and be evenly equipped with winding (3) in described motor stator (14), described winding (3) is connected with outer end control circuit; The middle part of described motor stator (14) is provided with mover axle (16); One end of described mover axle (16) extends the top of machine operation chamber (15), and the other end is fixedly connected with inner cylinder tube end face (10) through the perforate supported on end face (12); Described mover axle (16) is fixed with multiple mover magnetic pole (4) and mover yoke (13) assembly; The upper surface of described support end face (12) is fixedly connected with motor cylinder barrel (2) lower surface; Described support end face (12) lower surface respectively and be provided with the sealing arrangement that can stretch vertically between the upper surface of inner cylinder tube end face (10) and outer cylinder end face (7); Described inner cylinder tube end face (10) is positioned at and supports between end face (12) and outer cylinder end face (7), and corresponds to the position supporting the perforate of end face (12) institute; Described outer cylinder end face (7) bottom is fixedly connected with lower hanger (8).
2. liquid electricity Integral vehicle suspension impedance control device according to claim 1, it is characterized in that, the described sealing arrangement that can stretch vertically is inner cylinder tube leather cup (6) and outer cylinder leather cup (11), and described inner cylinder tube leather cup (6) two ends are connected with support end face (12) and inner cylinder tube end face (10) respectively; Described outer cylinder leather cup (11) is connected with support end face (12) and outer cylinder end face (7) respectively.
3. liquid electricity Integral vehicle suspension impedance control device according to claim 1 and 2, it is characterized in that, described mover axle (16) is positioned on the axis of motor stator (14), and the center supporting end face (12) has the hole corresponding with mover axle (16).
4. liquid electricity Integral vehicle suspension impedance control device according to claim 1 and 2, it is characterized in that, described upper hanger (1) and motor cylinder barrel (2) are welded as a whole, and described lower hanger (8) and outer cylinder end face (7) are welded as a whole.
5. liquid electricity Integral vehicle suspension impedance control device according to claim 1 and 2, it is characterized in that, described support end face (12) upper end and motor cylinder barrel (2) are welded as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072646.0U CN204526712U (en) | 2015-02-02 | 2015-02-02 | A kind of liquid electricity Integral vehicle suspension impedance control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072646.0U CN204526712U (en) | 2015-02-02 | 2015-02-02 | A kind of liquid electricity Integral vehicle suspension impedance control device |
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|---|---|
| CN204526712U true CN204526712U (en) | 2015-08-05 |
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| CN201520072646.0U Expired - Fee Related CN204526712U (en) | 2015-02-02 | 2015-02-02 | A kind of liquid electricity Integral vehicle suspension impedance control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626912A (en) * | 2015-02-02 | 2015-05-20 | 江苏大学 | Hydro-electric integrated type car suspension impedance control device |
| CN111089135A (en) * | 2019-12-03 | 2020-05-01 | 江苏大学 | Electromagnetic type is used to hold device |
-
2015
- 2015-02-02 CN CN201520072646.0U patent/CN204526712U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626912A (en) * | 2015-02-02 | 2015-05-20 | 江苏大学 | Hydro-electric integrated type car suspension impedance control device |
| CN111089135A (en) * | 2019-12-03 | 2020-05-01 | 江苏大学 | Electromagnetic type is used to hold device |
| CN111089135B (en) * | 2019-12-03 | 2021-06-22 | 江苏大学 | Electromagnetic type is used to hold device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20180202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |