CN205202654U - Multi -mode electromagnetism is presented can formula vehicle initiative suspension actuator - Google Patents

Multi -mode electromagnetism is presented can formula vehicle initiative suspension actuator Download PDF

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Publication number
CN205202654U
CN205202654U CN201521054650.0U CN201521054650U CN205202654U CN 205202654 U CN205202654 U CN 205202654U CN 201521054650 U CN201521054650 U CN 201521054650U CN 205202654 U CN205202654 U CN 205202654U
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CN
China
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described
end cover
actuator
fixedly connected
piston
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CN201521054650.0U
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Chinese (zh)
Inventor
寇发荣
陈龙
张冬冬
范养强
任全
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西安科技大学
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Publication of CN205202654U publication Critical patent/CN205202654U/en

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Abstract

The utility model discloses a multi -mode electromagnetism is presented can formula vehicle initiative suspension actuator, including actuator body and actuator controller, the actuator body includes piston cylinder, permanent magnetism linear electric motor module, adjustable damping shock absorber module, actuator upper end cover and lower lug, permanent magnetism linear electric motor module includes secondary piston pole, linear electric motor upper end cover, linear electric motor bottom end cover, polylith silicon steel sheet, a plurality of primary and permanent magnet, adjustable damping shock absorber module includes shock absorber piston rod, sleeve, last lug, sealed division board, big piston, valve piston, damping liquid passageway and proportion solenoid valve, the input termination of actuator controller has acceleration sensor, spring to carry mass velocity sensor and non - spring year mass velocity sensor. The utility model discloses compact structure, job stabilization nature and reliability are high, present the energy efficiency height, can prolong vehicle -mounted storage battery's life effectively, can adjust the parameter of initiative suspension in good time, make the initiative suspension be in the best damping state.

Description

The energy vehicle active suspension actuator of type multimode electromagnetic

Technical field

The utility model belongs to automobile suspension system technical field, is specifically related to the energy vehicle active suspension actuator of a kind of type multimode electromagnetic.

Background technology

Traditional passive suspension is immobilize due to parameters such as stiffness and dampings, and can only determine a half-way house meeting each side as far as possible and require, this just makes vehicle running smoothness and travelling comfort receive certain impact.Obviously, traditional passive suspension oneself through the demand of people can not be met, this just needs a kind of novel vehicle suspension, and active suspension is exactly state of kinematic motion according to automobile and surface conditions, the in time parameter of adjustable suspension, makes it be in best vibration damping state.

The closed loop control system that active suspension is generally made up of sensor and active controller, initiatively make a response according to the moving situation of vehicle and condition of road surface, suppress the vibration of vehicle body, this suspension is not only without fixing rigidity but also without fixing damping coefficient, spring stiffness and shock absorber damping can be automatically changed along with the change of road conditions and the difference requirement travelling needs, the in time parameter of adjustable suspension, makes suspension be in best vibration damping state all the time and travel attitude.

At present, research for active suspension actuator of electric is roughly divided into three classes, one is air active suspension actuator of electric, two is Hydraulic-active Suspension actuator, three is electromagnetic active suspension actuator, and air and hydraulic actuator all also exist complex structure, leakage sealed, Heavy Weight and cost is high and all many-sided problems such as safe reliability, for ensureing the super performance of active suspension, actuator must have highly sensitive, reliable and stable, energy consumption is low, the features such as displacement is large, and constantly improving and the continuous lifting of high-power electronic device performance along with electromagnetic theory, its price is also increasingly cheap simultaneously, electromagnetic mode is adopted to realize active suspension forcer, just in time meet above requirement, and achieved good effect.Especially electromagnetic linear actuator has many good qualities: have that structure simple structure is compact, response time is short, control accuracy is high, no touch friction, unlubricated, adapt to that bandwidth, output displacement and power output are comparatively large, controllability is good, meanwhile, electromagnetic active suspension also has the potentiality of energy regenerating, and this also matches with " energy-saving and environmental protection " this theme of current promotion.

But, also there is complex structure in energy self-supply type active suspension actuator of electric of the prior art, low-response, poor reliability, energy consumption is large, high in cost of production defect, and, especially when actuator lost efficacy, can not realize improving vehicle riding comfort, the target of operational stability, travel situations may be made again on the contrary to worsen, Given this, devise a kind of novel electromagnetic linear actuator, the effect of general electromagnetic actuator can not only be played, and, when actuator lost efficacy, the effect of passive damper can be played, thus decay by ground not mean longitude wheel reach the vibration of vehicle body, be kill two birds with one stone.

Existing utility model does not mostly consider that it is severe that suspension property will become very when electromagnetic actuator occurs to lose efficacy, and the handling stability of car load and ride comfort are deteriorated, and can affect driving safety time serious; And do not have to consider to reach energy regenerative this theme energy-conservation as much as possible when improving ride comfort.

In addition, the control method of energy self-supply type active suspension actuator of electric of the prior art often lays particular stress on the performance in a certain respect of active suspension, there is no the overall performance of complex energy self-supply type active suspension actuator of electric, cause actuator ACTIVE CONTROL DeGrain in the course of the work, between energy feedback pattern and Active Control Mode, conversion rate is too frequent, cause the hesitation that system is serious, also have larger impact to the life-span of storage battery; And need to improve to the control method of motor speed in actuator in prior art, prior art can't make active suspension be in best vibration damping state.

Utility model content

Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of type multimode electromagnetic energy vehicle active suspension actuator, its compact conformation, rationally novel in design, realization is convenient and cost is low, working stability and reliability high, energy regenerative efficiency is high, effectively can extend the service life of Vehicular accumulator cell, in time can regulate the parameter of active suspension, active suspension is made to be in best vibration damping state, practical.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the energy vehicle active suspension actuator of a kind of type multimode electromagnetic, it is characterized in that: comprise piston barrel, permanent-magnetism linear motor module and adaptive transmission control module, the top of described piston barrel is fixedly connected with actuator upper end cover, and the bottom of described piston barrel is fixedly connected with lower hanger, described permanent-magnetism linear motor module comprises the secondary piston bar being arranged on bottom in piston barrel, and be sleeved on the linear electric motors upper end cover of secondary piston bar middle and upper part and be sleeved on the linear electric motors bottom end cover of secondary piston bar bottom, described linear electric motors upper end cover is all fixedly connected with piston barrel inwall with linear electric motors bottom end cover, be provided with between described linear electric motors upper end cover and linear electric motors bottom end cover and be sleeved on secondary piston bar periphery and the polylith silicon steel plate of spaced setting and multiple primary winding, the outer wall of described secondary piston bar is fixedly connected with permanent magnet, described adaptive transmission control module comprises and stretches into shock absorber piston rod in piston barrel through actuator upper end cover from top to bottom and to be arranged in piston barrel and to cover on the sleeve in secondary piston masthead portion, the top of described shock absorber piston rod is fixedly connected with hanger, described sleeve is fixedly connected on linear electric motors upper end cover top, the top of described sleeve is fixedly connected with the seal isolation plate be fixedly connected with the inwall of piston barrel, described actuator upper end cover, the space that piston barrel and seal isolation plate surround is upper damping sap cavity, the bottom of described shock absorber piston rod is fixedly connected with the large piston being positioned at damping sap cavity, described seal isolation plate, the space that sleeve and linear electric motors upper end cover surround is lower damping sap cavity, the top of described secondary piston bar is fixedly connected with the valve piston being positioned at lower damping sap cavity, damping liquid is provided with in described upper damping sap cavity and lower damping sap cavity, the bottom of described secondary piston bar is fixedly connected with Subloop Protect end cap, described seal isolation plate is provided with damping liquid through hole, described piston barrel inwall is provided with the damping liquid passage being communicated with upper damping sap cavity and lower damping sap cavity from top to bottom, described damping liquid passage is connected with proportion magnetic valve.

The energy vehicle active suspension actuator of above-mentioned type multimode electromagnetic, is characterized in that: the bottom of described actuator upper end cover is provided with the seal ring be sleeved on shock absorber piston rod.

The energy vehicle active suspension actuator of above-mentioned type multimode electromagnetic, is characterized in that: the quantity of described damping liquid through hole is 2 ~ 10.

The energy vehicle active suspension actuator of above-mentioned type multimode electromagnetic, is characterized in that: the mode that described upper hanger is threaded connection is fixedly connected with the top of shock absorber piston rod.

The utility model compared with prior art has the following advantages:

1, structure of the present utility model is simple, rationally novel in design, and realization is convenient and cost is low.

2, the utility model have efficiently, fast response time and the higher advantage of real-time.

3, when road surface operating mode is good, under the utility model can be operated in energy regenerative half active work mode; And road surface operating mode poor time, under the utility model can be operated in the mode of operation that initiatively consumes energy, energy regenerative half active work mode and the mode of operation that initiatively to consume energy independently carry out, can realize energy-conservation while improve cushioning performance again.

4, vehicle active suspension actuator of the present utility model divide into permanent-magnetism linear motor module and adaptive transmission control module two parts, when being operated under energy regenerative half active work mode, after upper hanger and lower hanger produce relative motion by road excitation, permanent-magnetism linear motor module will produce induced electric motive force, the induced electric motive force produced can supply Vehicular accumulator cell energy storage, realizes energy regenerative; On the contrary, when being operated under the mode of operation that initiatively consumes energy, Vehicular accumulator cell is powered to output primary, permanent-magnetism linear motor module will produce and be used as power, control signal is exported according to the body acceleration signal collected by actuator controller, the output controlling permanent-magnetism linear motor module is used as power, and achieves the ACTIVE CONTROL of vehicle suspension.

5, when permanent-magnetism linear motor module break down, occur to lose efficacy time and under actuator is in energy regenerative pattern, vehicle active suspension actuator of the present utility model still can realize the semi-active control of suspension system, in adaptive transmission control module, proportion magnetic valve is by the dumping force of damping adjusting liquid passage, realizes the semi-active control of suspension system.

6, in the utility model, large piston and valve piston achieve the Linear Amplifer effect be used as power by damping liquid, thus under substantially reducing the mode of operation that initiatively consumes energy permanent-magnetism linear motor module required export be used as power, the energy consumption under the mode of operation that initiatively consumes energy can be reduced, realize energy-conservation object.

7, of the present utility modelly can to switch in energy regenerative half active work mode and initiatively consuming energy between mode of operation, effectively can extend the service life of Vehicular accumulator cell.

No matter 8, vehicle active suspension actuator of the present utility model can realize energy regenerative half active work mode or can realize the change of suspension damping under the mode of operation that initiatively consumes energy, under the prerequisite realizing energy regenerative, do not reduce the performance of vehicle suspension, take into account the performance of energy regenerative and vehicle suspension.

9, the working stability of vehicle active suspension actuator of the present utility model and reliability high, not easily et out of order, without the need to frequent maintenance and repair.

10, of the present utility model practical, result of use is good, is convenient to promote the use of.

In sum, the utility model compact conformation, rationally novel in design, realize convenient and cost is low, working stability and reliability high, energy regenerative efficiency is high, effectively can extend the service life of Vehicular accumulator cell, in time can regulate the parameter of active suspension, make active suspension be in best vibration damping state, practical.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Description of reference numerals:

1-upper hanger; 2-actuator upper end cover; 3-piston barrel;

4-proportion magnetic valve; 5-linear electric motors upper end cover; 6-primary winding;

7-silicon steel plate; 8-linear electric motors bottom end cover; 9-lower hanger;

10-Subloop Protect end cap; 11-secondary piston bar; 12-permanent magnet;

13-sleeve; 14-valve piston; 15-seal isolation plate;

16-large piston; 17-seal ring; 18-shock absorber piston rod;

21-upper damping sap cavity; 22-lower damping sap cavity; 25-damping liquid;

26-damping liquid through hole; 27-damping liquid passage.

Detailed description of the invention

As shown in Figure 1, the energy vehicle active suspension actuator of type multimode electromagnetic of the present utility model, comprise piston barrel 3, permanent-magnetism linear motor module and adaptive transmission control module, the top of described piston barrel 3 is fixedly connected with actuator upper end cover 2, and the bottom of described piston barrel 3 is fixedly connected with lower hanger 9, described permanent-magnetism linear motor module comprises the secondary piston bar 11 being arranged on bottom in piston barrel 3, and be sleeved on the linear electric motors upper end cover 5 of secondary piston bar 11 middle and upper part and be sleeved on the linear electric motors bottom end cover 8 of secondary piston bar 11 bottom, described linear electric motors upper end cover 5 and linear electric motors bottom end cover 8 are all fixedly connected with piston barrel 3 inwall, be provided with between described linear electric motors upper end cover 5 and linear electric motors bottom end cover 8 and be sleeved on secondary piston bar 11 periphery and the polylith silicon steel plate 7 of spaced setting and multiple primary winding 6, the outer wall of described secondary piston bar 11 is fixedly connected with permanent magnet 12, described adaptive transmission control module comprises and stretches into shock absorber piston rod in piston barrel 3 18 through actuator upper end cover 2 from top to bottom and to be arranged in piston barrel 3 and to cover on the sleeve 13 at secondary piston bar 11 top, the top of described shock absorber piston rod 18 is fixedly connected with hanger 1, described sleeve 13 is fixedly connected on linear electric motors upper end cover 5 top, the top of described sleeve 13 is fixedly connected with the seal isolation plate 15 be fixedly connected with the inwall of piston barrel 3, described actuator upper end cover 2, the space that piston barrel 3 and seal isolation plate 15 surround is upper damping sap cavity 21, the bottom of described shock absorber piston rod 18 is fixedly connected with the large piston 16 being positioned at damping sap cavity 21, described seal isolation plate 15, the space that sleeve 13 and linear electric motors upper end cover 5 surround is lower damping sap cavity 22, the top of described secondary piston bar 11 is fixedly connected with the valve piston 14 being positioned at lower damping sap cavity 22, damping liquid 25 is provided with in described upper damping sap cavity 21 and lower damping sap cavity 22, the bottom of described secondary piston bar 11 is fixedly connected with Subloop Protect end cap 10, described seal isolation plate 15 is provided with damping liquid through hole 26, described piston barrel 3 inwall is provided with the damping liquid passage 27 being communicated with upper damping sap cavity 21 and lower damping sap cavity 22 from top to bottom, described damping liquid passage 27 is connected with proportion magnetic valve 4.

As shown in Figure 1, in the present embodiment, the bottom of described actuator upper end cover 2 is provided with the seal ring 17 be sleeved on shock absorber piston rod 18.By arranging seal ring 17, the damping liquid in damping sap cavity 21 can be sealed better.

As shown in Figure 1, in the present embodiment, the quantity of described damping liquid through hole 26 is 2 ~ 10.

As shown in Figure 1, in the present embodiment, the mode that described upper hanger 1 is threaded connection is fixedly connected with the top of shock absorber piston rod 18.

When the utility model uses, when road surface operating mode is good, utility model works is under energy regenerative half active work mode, concrete working process is: body vibrations drives upper hanger 1 to move, upper hanger 1 drives large piston 16 to move, large piston 16 drives valve piston 14 and secondary piston bar 11 to move by damping liquid 25, relative motion is there is in multiple primary winding 6 with secondary piston bar 11, multiple primary winding 6 cutting magnetic induction line produces induced electric motive force, the induced electric motive force produced is by after rectifier 29 rectification, charge to Vehicular accumulator cell 32 through battery charging circuit 30 again, meanwhile, by the aperture of outside actuator controller control ratio electromagnetic valve 4, the dumping force of damping adjusting liquid passage 27, and then realize the adjustment to described vehicle active suspension actuator dumping force size, when road surface operating mode is poor, utility model works is under the mode of operation that initiatively consumes energy, concrete working process is: first, be maximum by the aperture of outside actuator controller control ratio electromagnetic valve 4, the dumping force of damping liquid passage 27 is become minimum, active force required when reducing described permanent-magnetism linear motor module active response, then, controlled the received current of multiple primary winding 6 by outside actuator controller, and then regulate the active response power size of described permanent-magnetism linear motor module, the active response power that described permanent-magnetism linear motor module produces passes to vehicle body.

The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.

Claims (4)

1. the energy vehicle active suspension actuator of type multimode electromagnetic, it is characterized in that: comprise piston barrel (3), permanent-magnetism linear motor module and adaptive transmission control module, the top of described piston barrel (3) is fixedly connected with actuator upper end cover (2), and the bottom of described piston barrel (3) is fixedly connected with lower hanger (9), described permanent-magnetism linear motor module comprises the secondary piston bar (11) being arranged on piston barrel (3) interior bottom, and be sleeved on the linear electric motors upper end cover (5) of secondary piston bar (11) middle and upper part and be sleeved on the linear electric motors bottom end cover (8) of secondary piston bar (11) bottom, described linear electric motors upper end cover (5) is all fixedly connected with piston barrel (3) inwall with linear electric motors bottom end cover (8), be provided with between described linear electric motors upper end cover (5) and linear electric motors bottom end cover (8) and be sleeved on secondary piston bar (11) periphery and the polylith silicon steel plate (7) of spaced setting and multiple primary winding (6), the outer wall of described secondary piston bar (11) is fixedly connected with permanent magnet (12), described adaptive transmission control module comprise stretch into the shock absorber piston rod (18) in piston barrel (3) through actuator upper end cover (2) from top to bottom and be arranged on piston barrel (3) interior and cover on the sleeve (13) at secondary piston bar (11) top, the top of described shock absorber piston rod (18) is fixedly connected with hanger (1), described sleeve (13) is fixedly connected on linear electric motors upper end cover (5) top, the top of described sleeve (13) is fixedly connected with the seal isolation plate (15) be fixedly connected with the inwall of piston barrel (3), described actuator upper end cover (2), the space that piston barrel (3) and seal isolation plate (15) surround is upper damping sap cavity (21), the bottom of described shock absorber piston rod (18) is fixedly connected with the large piston (16) being positioned at damping sap cavity (21), described seal isolation plate (15), the space that sleeve (13) and linear electric motors upper end cover (5) surround is lower damping sap cavity (22), the top of described secondary piston bar (11) is fixedly connected with the valve piston (14) being positioned at lower damping sap cavity (22), damping liquid (25) is provided with in described upper damping sap cavity (21) and lower damping sap cavity (22), the bottom of described secondary piston bar (11) is fixedly connected with Subloop Protect end cap (10), described seal isolation plate (15) is provided with damping liquid through hole (26), described piston barrel (3) inwall is provided with the damping liquid passage (27) being communicated with upper damping sap cavity (21) and lower damping sap cavity (22) from top to bottom, described damping liquid passage (27) is connected with proportion magnetic valve (4).
2. according to the energy vehicle active suspension actuator of type multimode electromagnetic according to claim 1, it is characterized in that: the bottom of described actuator upper end cover (2) is provided with the seal ring (17) be sleeved on shock absorber piston rod (18).
3. according to the energy vehicle active suspension actuator of type multimode electromagnetic according to claim 1, it is characterized in that: the quantity of described damping liquid through hole (26) is 2 ~ 10.
4. according to the energy vehicle active suspension actuator of type multimode electromagnetic according to claim 1, it is characterized in that: the mode that described upper hanger (1) is threaded connection is fixedly connected with the top of shock absorber piston rod (18).
CN201521054650.0U 2015-12-17 2015-12-17 Multi -mode electromagnetism is presented can formula vehicle initiative suspension actuator CN205202654U (en)

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Application Number Priority Date Filing Date Title
CN201521054650.0U CN205202654U (en) 2015-12-17 2015-12-17 Multi -mode electromagnetism is presented can formula vehicle initiative suspension actuator

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Application Number Priority Date Filing Date Title
CN201521054650.0U CN205202654U (en) 2015-12-17 2015-12-17 Multi -mode electromagnetism is presented can formula vehicle initiative suspension actuator

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107738549A (en) * 2017-10-20 2018-02-27 东风汽车公司 The energy output controlling method of linear motor type electromagnetic active suspension
CN107965542A (en) * 2017-12-11 2018-04-27 山东交通学院 A kind of combined electromagnetic damper

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107738549A (en) * 2017-10-20 2018-02-27 东风汽车公司 The energy output controlling method of linear motor type electromagnetic active suspension
CN107738549B (en) * 2017-10-20 2019-10-08 东风汽车集团有限公司 The energy output controlling method of linear motor type electromagnetic active suspension
CN107965542A (en) * 2017-12-11 2018-04-27 山东交通学院 A kind of combined electromagnetic damper

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160504

Termination date: 20161217

CF01 Termination of patent right due to non-payment of annual fee