CN204526713U - Liquid electrical hookup formula vehicle suspension impedance control device - Google Patents
Liquid electrical hookup formula vehicle suspension impedance control device Download PDFInfo
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- CN204526713U CN204526713U CN201520074528.3U CN201520074528U CN204526713U CN 204526713 U CN204526713 U CN 204526713U CN 201520074528 U CN201520074528 U CN 201520074528U CN 204526713 U CN204526713 U CN 204526713U
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- hydraulic cylinder
- control device
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- hanger
- secondary hydraulic
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Abstract
The utility model provides a kind of liquid electrical hookup formula vehicle suspension impedance control device, comprises hanger, main hydraulic cylinder, lower hanger, secondary hydraulic actuating cylinder, mover axle and motor stator, and upper hanger connects main hydraulic cylinder upper end; Main hydraulic cylinder and secondary hydraulic actuating cylinder are arranged side by side, and its upper and lower cavity is communicated with respectively by connection pipe; Main hydraulic cylinder inside is provided with the main hydraulic cylinder piston and main piston rod that are connected, and main piston rod lower end is fixedly connected with lower hanger; Baffle plate, the auxiliary piston bar be connected and secondary hydraulic cylinder piston that secondary hydraulic actuating cylinder inside is provided with central aperture; Secondary hydraulic actuating cylinder lower end is fixedly evenly equipped with the motor stator of winding, and winding is connected with outer end control circuit; The mover axle being provided with mover yoke and mover magnetic pole runs through machine operation chamber, and is fixedly connected with auxiliary piston bar.Impedance control device described in the utility model, impedance manner is more flexible, and dynamic property is superior, affects less by non-linear factor; Achieve the split-type structural of impedance control device, save space.
Description
Technical field
The utility model belongs to automotive field, particularly relates to a kind of liquid electrical hookup formula vehicle suspension impedance control device.
Background technology
2002, Cambridge University scholar Smith proposed the concept of used container and gives implement device, the same with damper with the spring in mechanical system, was a kind of real two-end-point element.Stressed corresponding to the two ends acceleration/accel at its two ends is directly proportional, and its constant of proportionality claims " used matter coefficient ", and unit is kilogram.Along with the proposition of used container, " used appearance-spring-damper " (Inerter-Spring-Damper is called for short ISD) vehicle suspension be made up of used container, spring and damping 3 kinds of primary elements improves the anti-vibration performance of suspension.The Structure Designing Problem of many scholars to vehicle ISD suspension conducts a research, robust control scheduling algorithm is used for passive mechanical network structure, target transfer function is drawn according to suspension property index, concrete suspension frame structure often more complicated is drawn again by network synthesis, and easily obtaining the structure comprising lever element, practicality is not enough.
Due to engineer operation limited space, the complicated impedance manner of function admirable is difficult to accomplished in mechanical type suspension.Therefore, in the urgent need to a kind of function admirable in engineering, the simple Pendant Structure Of Vehicle of structure, can realize comparatively complicated impedance manner, with the performance of lifting vehicle suspension.
Utility model content
Immutable and show that concrete suspension frame structure is more complicated by network synthesis for the impedance of mechanical type suspension, easily comprise a difficult problem for lever element, the utility model proposes a kind of vehicle suspension impedance control device realizing complicated impedance manner.Integrated predict model hydraulic type is used to container and linear electric motors, and hydraulic type is used to container can produce inertia impedance manner, and linear electric motors can form electrical impedance form, by changing the external load impedance manner of linear electric motors, obtains comparatively complicated suspension composite impedance.
The utility model realizes above-mentioned technical purpose by following technological means.
A kind of liquid electrical hookup formula vehicle suspension impedance control device, comprise hanger, main hydraulic cylinder, lower hanger, secondary hydraulic actuating cylinder, mover axle and motor stator, described upper hanger is fixedly connected on main hydraulic cylinder upper end; Described main hydraulic cylinder and secondary hydraulic actuating cylinder are arranged side by side, and described main hydraulic cylinder is communicated with respectively by the first connection pipe is corresponding with the second connection pipe with the upper and lower cavity of secondary hydraulic actuating cylinder; Described main hydraulic cylinder inside is provided with the main hydraulic cylinder piston and main piston rod that are connected, and described main piston rod lower end is fixedly connected with lower hanger; Baffle plate, the auxiliary piston bar be connected and secondary hydraulic cylinder piston that described secondary hydraulic actuating cylinder inside is provided with perforate, described baffle plate is positioned at the second connection pipe bottom, and the end of auxiliary piston bar stretches out baffle plate outside through perforate; Described secondary hydraulic actuating cylinder lower surface connects the upper surface of motor stator, and be evenly equipped with winding in described motor stator, described winding is connected with outer end control circuit; Described mover axle runs through in the middle part of motor stator, and is fixedly connected with auxiliary piston bar; Described mover axle is provided with mover yoke and mover magnetic pole.
Further, described upper hanger and main hydraulic cylinder are welded as a whole, and lower hanger and main piston rod are welded as a whole.
Further, described mover axle is positioned on the center shaft of motor stator.
Further, described secondary hydraulic actuating cylinder lower surface and described motor stator upper surface are welded and fused.
Further, described mover axle and auxiliary piston bar are welded and fused.
The beneficial effects of the utility model are:
(1) composite impedance of liquid electrical hookup formula vehicle suspension impedance control device described in the utility model is made up of jointly mechanical impedance and electrical impedance, realize mechanical impedance by the cooperation of main hydraulic cylinder and secondary hydraulic actuating cylinder, realize electrical impedance by motor stator, mover axle, outer end control circuit etc.; Because mechanical impedance is fixed immutable, by changing the loaded impedance of outer terminal circuit, the change of implement device composite impedance characteristic.Compared to turning effort formula mechanical element and rotor, the utility model affects less by non-linear factor, and impedance manner is more flexible, can realize more complicated composite impedance form.Compared to the parameter Regulation Mechanism of active, semi-active suspension, the liquid electrical hookup formula vehicle suspension impedance control device that the utility model proposes has more superior dynamic property, and principle is simple, and structural behaviour is stablized.
(2) apparatus structure described in the utility model is simple, by main hydraulic cylinder and secondary hydraulic actuating cylinder are arranged side by side, secondary hydraulic actuating cylinder lower end arranges the equipment of mover axle, realize the split-type structural of impedance control device, increase the variable range of electrical impedance, less on the axial installing space impact of original structure in installation process.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is liquid electrical hookup formula 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-main hydraulic cylinder, 3-main hydraulic cylinder piston, 4-main piston rod, hanger under 5-, 6-motor stator, 7-mover axle, 8-mover yoke, 9-winding, 10-mover magnetic pole, 11-baffle plate, the secondary hydraulic actuating cylinder of 12-, 13-auxiliary piston bar, the secondary hydraulic cylinder piston of 14-, 15-first connection pipe, 16-second connection pipe.
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 depicted in figs. 1 and 2, a kind of liquid electrical hookup formula vehicle suspension impedance control device, comprise hanger 1, main hydraulic cylinder 2, lower hanger 5, secondary hydraulic actuating cylinder 11, mover axle 7 and motor stator 6, wherein, upper hanger 1 is welded as a whole with main hydraulic cylinder 2, lower hanger 5 is welded as a whole with main piston rod 4, and described upper hanger 1 is hinged with vehicle body, and lower hanger 5 is hinged with wheel.
Described main hydraulic cylinder 2 and secondary hydraulic actuating cylinder 12 are arranged side by side, and secondary hydraulic actuating cylinder 12 is positioned on the left of main hydraulic cylinder 2, and described first connection pipe 15 and the second connection pipe 16 are communicated with the upper and lower cavity of main hydraulic cylinder 2 and secondary hydraulic actuating cylinder 12 respectively.Main piston rod 4 coordinates with main hydraulic cylinder piston 3 and is installed in main hydraulic cylinder 2, secondary hydraulic actuating cylinder 12 inside is provided with the auxiliary piston bar 13 and secondary hydraulic cylinder piston 14 that are connected, described secondary hydraulic actuating cylinder 12 inside is also provided with the baffle plate 11 of middle part perforate, described baffle plate 11 is positioned at the bottom of the second connection pipe 16, and auxiliary piston bar 13 stretches out baffle plate 11 through institute's perforate;
Described motor stator 6 welds with secondary hydraulic actuating cylinder 12 and connects firmly, and the inside of motor stator 6 is evenly equipped with winding 9, and described winding 9 is connected with outer end control circuit.Described mover axle 7 stretches out from machine operation chamber and is welded and fused with auxiliary piston bar 13.Mover yoke 8 and mover magnetic pole 10 are all fixed on mover axle 7.
Working process is: when producing relative motion between upper hanger 1 and lower hanger 5, lower hanger 5 promotes main hydraulic cylinder piston 3 with main piston rod 4 and moves up or down, main hydraulic cylinder 2 epicoele is communicated with secondary hydraulic actuating cylinder 12 epicoele, main hydraulic cylinder 2 cavity of resorption is communicated with secondary hydraulic actuating cylinder 12 cavity of resorption, due to main hydraulic cylinder 2, fluid is full of in secondary hydraulic actuating cylinder 12 epitrochoidal chamber, thus fluid enters secondary hydraulic actuating cylinder 12 and promotes secondary hydraulic cylinder piston 14 and move up or down, and then drive mover axle 7 to move up and down by auxiliary piston bar 13, mover yoke 8 on mover axle 7 produces relative motion with the winding 9 in motor stator 6 with mover magnetic pole 10 in machine operation chamber, linear electric motors winding 9 is connected with outer terminal circuit, induced electric motive force can be produced.
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 main hydraulic cylinder piston 3 and secondary hydraulic cylinder piston 14, v
1, v
2be respectively the speed of hanger 1, lower hanger 5, v
afor the speed of mover axle 7.
Can be obtained by conservation of energy theorem:
Wherein, f is applied to the application force between hanger 1 and lower hanger 5, and m is the quality of mover axle 7,
for the acceleration/accel of mover axle 7.
(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
εv
a(6)
F
ε＝k
tI
a(7)
Carry out force analysis to linear motor rotor can obtain:
F is applied to the application force on mover axle 7, F
εfor electromagnetic force, k
tfor linear electric motors torque constant, k
εfor 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:
As from the foregoing, the impedance of liquid electrical hookup formula vehicle suspension impedance control device is the composite impedance by mechanical impedance and electrical impedance common combination.In practical implementation, mechanical element parameter is fixed, be difficult to change composite impedance by changing mechanical impedance, but electricity component is easy to change, therefore, can realize the control of the composite impedance of arbitrary form by changing electrical impedance form, its mechanism of action is simple, affect less by non-linear factor, stable performance.
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 electrical hookup formula vehicle suspension impedance control device, it is characterized in that, comprise hanger (1), main hydraulic cylinder (2), lower hanger (5), secondary hydraulic actuating cylinder (12), mover axle (7) and motor stator (6), described upper hanger (1) is fixedly connected on main hydraulic cylinder (2) upper end; Described main hydraulic cylinder (2) and secondary hydraulic actuating cylinder (12) are arranged side by side, and described main hydraulic cylinder (2) is communicated with respectively by the first connection pipe (15) is corresponding with the second connection pipe (16) with the upper and lower cavity of secondary hydraulic actuating cylinder (12); Described main hydraulic cylinder (2) inside is provided with the main hydraulic cylinder piston (3) and main piston rod (4) that are connected, and described main piston rod (4) lower end is fixedly connected with lower hanger (5); The baffle plate (11) that described secondary hydraulic actuating cylinder (12) inside is provided with perforate, the auxiliary piston bar (13) be connected and secondary hydraulic cylinder piston (14), described baffle plate (11) is positioned at the second connection pipe (16) bottom, and the end of auxiliary piston bar (13) stretches out baffle plate (11) outside through perforate; Described secondary hydraulic actuating cylinder (12) lower surface connects the upper surface of motor stator (6), and be evenly equipped with winding (9) in described motor stator (6), described winding (9) is connected with outer end control circuit; Described mover axle (7) runs through motor stator (6) middle part, and is fixedly connected with auxiliary piston bar (13); Described mover axle (7) is provided with mover yoke (8) and mover magnetic pole (10).
2. liquid electrical hookup formula vehicle suspension impedance control device according to claim 1, it is characterized in that, described upper hanger (1) and main hydraulic cylinder (2) are welded as a whole, and lower hanger (5) and main piston rod (4) are welded as a whole.
3. liquid electrical hookup formula vehicle suspension impedance control device according to claim 1 and 2, it is characterized in that, described mover axle (7) is positioned on the center shaft of motor stator (6).
4. liquid electrical hookup formula vehicle suspension impedance control device according to claim 1 and 2, it is characterized in that, described secondary hydraulic actuating cylinder (12) lower surface and described motor stator (6) upper surface are welded and fused.
5. liquid electrical hookup formula vehicle suspension impedance control device according to claim 1 and 2, is characterized in that, described mover axle (7) and auxiliary piston bar (13) are welded and fused.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074528.3U CN204526713U (en) | 2015-02-02 | 2015-02-02 | Liquid electrical hookup formula vehicle suspension impedance control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074528.3U CN204526713U (en) | 2015-02-02 | 2015-02-02 | Liquid electrical hookup formula vehicle suspension impedance control device |
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| Publication Number | Publication Date |
|---|---|
| CN204526713U true CN204526713U (en) | 2015-08-05 |
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|---|---|---|---|
| CN201520074528.3U Expired - Fee Related CN204526713U (en) | 2015-02-02 | 2015-02-02 | Liquid electrical hookup formula vehicle suspension impedance control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626911A (en) * | 2015-02-02 | 2015-05-20 | 江苏大学 | Liquid electric coupling type vehicle suspension impedance control device |
| CN109334379A (en) * | 2018-09-19 | 2019-02-15 | 江苏大学 | Heavy automobile-used electrohydraulic type is used to container Nonlinear inertial force discrimination method |
| CN109398020A (en) * | 2018-09-19 | 2019-03-01 | 江苏大学 | A kind of vehicle liquid based on nonlinear model is electrically coupled the forecast Control Algorithm of Formulas I SD suspension |
| FR3073174A1 (en) * | 2017-11-08 | 2019-05-10 | Psa Automobiles Sa | HYDRAULIC DAMPER FOR VEHICLE SUSPENSION WITH INERTIA COLUMN |
| CN113531033A (en) * | 2021-06-07 | 2021-10-22 | 杭州电子科技大学 | Electric wheel with energy recovery and multi-direction damping function |
-
2015
- 2015-02-02 CN CN201520074528.3U patent/CN204526713U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626911A (en) * | 2015-02-02 | 2015-05-20 | 江苏大学 | Liquid electric coupling type vehicle suspension impedance control device |
| FR3073174A1 (en) * | 2017-11-08 | 2019-05-10 | Psa Automobiles Sa | HYDRAULIC DAMPER FOR VEHICLE SUSPENSION WITH INERTIA COLUMN |
| CN109334379A (en) * | 2018-09-19 | 2019-02-15 | 江苏大学 | Heavy automobile-used electrohydraulic type is used to container Nonlinear inertial force discrimination method |
| CN109398020A (en) * | 2018-09-19 | 2019-03-01 | 江苏大学 | A kind of vehicle liquid based on nonlinear model is electrically coupled the forecast Control Algorithm of Formulas I SD suspension |
| CN109398020B (en) * | 2018-09-19 | 2021-11-23 | 江苏大学 | Nonlinear model-based prediction control method for vehicle hydro-electric coupling type ISD suspension |
| CN113531033A (en) * | 2021-06-07 | 2021-10-22 | 杭州电子科技大学 | Electric wheel with energy recovery and multi-direction damping function |
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|---|---|---|---|
| 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: 20170202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |