CN103883663A - Damper, vibration damping control system and automobile - Google Patents
Damper, vibration damping control system and automobile Download PDFInfo
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- CN103883663A CN103883663A CN201210558566.7A CN201210558566A CN103883663A CN 103883663 A CN103883663 A CN 103883663A CN 201210558566 A CN201210558566 A CN 201210558566A CN 103883663 A CN103883663 A CN 103883663A
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Abstract
The invention discloses a damper. The damper comprises a working cylinder (1), the working cylinder comprises a cylinder body (2) and a piston rod (3), a valve seat (21) is arranged at one end of the cylinder body, the piston rod extends into the cylinder body from the other end of the cylinder body, a piston of the piston rod divides the cylinder body into a rod cavity and a rodless cavity, the damper further comprises a through-flow pipeline (4), a diversion trench (22), an adjusting valve (5) and a control motor (6), the rod cavity and the rodless cavity of the working cylinder are communicated with each other through the through-flow pipeline (4), the diversion trench (22) is formed in the valve seat and communicated with the through-flow pipeline, the adjusting valve (5) is arranged in the diversion trench (22) and used for adjusting flow, and the control motor (6) is used for controlling flow opening degree of the adjusting valve. The invention further provides a vibration damping control system and an automobile. By means of the technical scheme, the damper can be adapted to different automobile driving conditions, effective vibration damping and powerful and even rigid supporting are provided for the whole automobile body, sustained vibration, excessive pitching, excessive listing, even side turning and the like of the automobile body can be effectively prevented, and safe and stable operation of the whole automobile can be guaranteed.
Description
Technical field
The present invention relates to vehicle chassis technology, particularly, relate to a kind of vibration damper, vibration damping control system and automobile.
Background technique
Along with the develop rapidly of automobile industry and improving constantly of living standards of the people, the requirement of the Security of riding comfort, occupant and the goods of people to automobile is more and more higher.
At present, in automobile chassis, conventionally connect vehicle bridge and vehicle body to suppress vibration with vibration damper.In the time of road bump, although vibration absorbing spring can be filtered the vibration on road surface, because the to-and-fro motion of spring self still can cause pitching of vehicle body, vibration damper is used for suppressing this spring and jumps.If the resistance of vibration damper is too little, vehicle body will jump up and down, if the resistance of vibration damper is too large, hinders spring normally to work.
Extensive use dydraulic shock absorber in the suspension system of automobile.Its principle is, in the time that vehicle frame and vehicle bridge do relatively reciprocating motion due to vibration, piston is reciprocal fore and aft motion in the cylinder barrel of vibration damper thereupon, and the fluid in shock absorber casing just flows into another inner chamber from an inner chamber by some narrow holes repeatedly.Now, the friction in friction and the fluid molecule of liquid and inwall just forms the damping force to vibration, thereby produces the effect that suppresses vibration.
But existing vibration damper is generally mechanical structure, therefore the resistance of its generation is fixed, be difficult to adapt to various automobile running condition, especially automobile under the limited conditionss such as zig zag, emergency braking and anxious acceleration, be easy to cause vehicle rollover or pitching etc.
Summary of the invention
The object of this invention is to provide a kind of vibration damper, this vibration damper can be according to the travel situations damping adjusting power of automobile.
To achieve these goals, the invention provides a kind of vibration damper, this vibration damper comprises clutch release slave cylinder, this clutch release slave cylinder comprises cylinder body and piston rod, one end of described cylinder body is provided with valve seat, described piston rod stretches into described cylinder body from the other end of described cylinder body, and described cylinder body is divided into rod chamber and rodless cavity by the piston of described piston rod, wherein, described vibration damper also comprises the rod chamber of clutch release slave cylinder and the through-flow pipeline of rodless cavity described in UNICOM, be formed in described valve seat and the guiding gutter communicating with described through-flow pipeline, be arranged in described guiding gutter for the modulating valve of adjust flux with for controlling the control motor of circulation aperture of this modulating valve.
Preferably, this modulating valve comprises fixed valve plate, moving valve plate and runs through described fixed valve plate and the center of described moving valve plate the rotatingshaft that is fixedly connected with described moving valve plate, on described fixed valve plate, there is fixed valve plate arcuate socket, on described moving valve plate, there is the moving valve plate arcuate socket that can all overlap, partially overlap or not overlap with described fixed valve plate arcuate socket.
Preferably, on described moving valve plate, also there is the locating stud that can move along described fixed valve plate arcuate socket, described locating stud, fixed valve plate arcuate socket and moving valve plate arcuate socket are all arranged on the circumference that radius take described rotatingshaft as the center of circle is identical, and described locating stud is arranged in described fixed valve plate arcuate socket and can moves along described fixed valve plate arcuate socket with the rotation of described moving valve plate.
Preferably, the arc length of described fixed valve plate arcuate socket is greater than the arc length of described moving valve plate arcuate socket, in the time that described locating stud is positioned at the first end of described fixed valve plate arcuate socket, whole and the fixed valve plate arcuate socket of described moving valve plate arcuate socket overlaps, in the time that described locating stud is positioned at the second end of described fixed valve plate arcuate socket, described moving valve plate arcuate socket does not overlap with fixed valve plate arcuate socket.
Preferably, be provided with the displacement transducer for detection of the position of described piston rod on described cylinder body, this displacement transducer is electrically connected with described control motor.
Preferably, be provided with the flow transducer for detection of the flow of the fluid in described through-flow pipeline in described through-flow pipeline, this flow transducer is electrically connected with described control motor.
The present invention also provides a kind of vibration damper control system, and wherein, this vibration damper control system comprises controller and according to vibration damper of the present invention, this controller comprises load module, puocessing module and control module, and this control module is electrically connected with described control motor,
Described load module is used for receiving the input signal that represents automobile running condition, and this input signal is sent to described puocessing module;
Described puocessing module produces vibration reduction control signal for the input signal receiving according to described load module, and this vibration reduction control signal is sent to described control module;
Described control module is used for receiving this vibration reduction control signal, and correspondingly controls described control motor.
Preferably, be provided with the displacement transducer for detection of the position of described piston rod on described cylinder body, this displacement transducer is electrically connected with described load module,
Described load module is used for receiving the piston position signal that comes from described displacement transducer, and this piston position signal is sent to puocessing module;
Described puocessing module is used for producing vibration reduction control signal according to described piston position signal, and this vibration reduction control signal is sent to described control module.
Preferably, be provided with the flow transducer for detection of the flow of the fluid in described through-flow pipeline in described through-flow pipeline, this flow transducer is electrically connected with described load module,
Described load module is used for receiving the flux signal that comes from described flow transducer, and this flux signal is sent to puocessing module;
Described puocessing module is used for producing vibration reduction control signal according to described flux signal, and this vibration reduction control signal is sent to described control module.
The present invention also provides a kind of automobile, and wherein, this automobile comprises vibration damping control system of the present invention.
By technique scheme, the structure of vibration damper is simpler, and can realize the control of the damping force to vibration damper.So just can make vibration damper can be adapted to various automobile running condition, provide effective vibration damping and the powerful even support of rigidity to car load vehicle body, effectively prevent vehicle body sustained oscillation, excessively pitching, excessively roll even rollover etc., guarantee the safety and steady operation of car load.
Other features and advantages of the present invention are described in detail the embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is according to the floor map of the modulating valve of one embodiment of the present invention;
Fig. 2 is the schematic cross-section intercepting along A-A line in Fig. 1;
Fig. 3 is the floor map of the modulating valve of another mode of execution according to the present invention;
Fig. 4 is the schematic cross-section intercepting along B-B line in Fig. 3;
Fig. 5 is the axis side view according to modulating valve of the present invention;
Fig. 6 is the schematic diagram of vibration damping control system according to the preferred embodiment of the present invention;
Fig. 7 is the schematic diagram of controller according to the preferred embodiment of the present invention;
Fig. 8 is the schematic diagram of vibration damper according to the preferred embodiment of the present invention.
Description of reference numerals
1 clutch release slave cylinder 2 cylinder bodies
21 valve seat 22 guiding gutters
The through-flow pipeline of 3 piston rod 4
5 modulating valve 51 fixed valve plates
52 moving valve plate 53 rotatingshafts
54 fixed valve plate arcuate socket 55 moving valve plate arcuate sockets
56 locating stud 57 normal open holes
6 control motor 7 displacement transducers
8 flow transducers
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality of use should be in conjunction with technological scheme of the present invention, based on context and/or Figure of description understand.
The invention provides a kind of vibration damper, this vibration damper comprises clutch release slave cylinder 1, this clutch release slave cylinder 1 comprises cylinder body 2 and piston rod 3, one end of described cylinder body 2 is provided with valve seat 21, described piston rod 3 stretches into described cylinder body 2 from the other end of described cylinder body 2, and described cylinder body 2 is divided into rod chamber and rodless cavity, wherein, described vibration damper also comprises the rod chamber of clutch release slave cylinder 1 and the through-flow pipeline 4 of rodless cavity described in UNICOM, be formed in described valve seat 21 and the guiding gutter 22 communicating with described through-flow pipeline 4, be arranged in described guiding gutter 22 for the modulating valve 5 of adjust flux with for controlling the control motor 6 of circulation aperture of this modulating valve 5.
Vibration damper of the present invention comprises clutch release slave cylinder 1, and clutch release slave cylinder 1 comprises cylinder body 2 and piston rod 3, is provided with valve seat 21 in one end of cylinder body 2, and piston rod 3 extend in cylinder body 2 from the other end.Wherein, cylinder body 2 is divided into two chambeies by piston rod 3, i.e. rod chamber and rodless cavity, and store fluid in the rod chamber of clutch release slave cylinder 1 and rodless cavity.
According to technological scheme of the present invention, this vibration damper comprises through-flow pipeline 4, is formed with guiding gutter 22 in valve seat 21, is namely formed with guiding gutter 22 in a side of rodless cavity, and this guiding gutter 22 and through-flow pipeline 4 UNICOMs, for rod chamber and the rodless cavity of clutch release slave cylinder 2.In the time that piston rod 3 moves in cylinder body 2, fluid flows between the rod chamber of cylinder body 2 and rodless cavity by guiding gutter 22 and through-flow pipeline 4.In guiding gutter 22, be provided with the modulating valve 5 of the flow for regulating fluid.
In use, when described piston rod 3 is with respect to described cylinder body 2 outwards when (be shown in Fig. 1 upwards) motion, the rod chamber internal pressure of cylinder body 2 raises, rodless cavity internal pressure reduces, the fluid of rod chamber enters rodless cavity by through-flow pipeline 4 and guiding gutter 22, owing to regulating the described modulating valve 5 being arranged in described guiding gutter 22 by controlling motor 6, to regulate the flow of this fluid, thus the size of the damping force of adjusting vibration damper.
Similarly, when described piston rod 3 is with respect to described cylinder body 2 inwardly when (be shown in Fig. 1 downwards) motion, the rodless cavity internal pressure of cylinder body 2 raises, rod chamber internal pressure reduces, the fluid of rodless cavity also enters rod chamber by guiding gutter 22 and through-flow pipeline 4, in like manner, regulate by controlling motor 6 modulating valve 5 being arranged in guiding gutter 22, just can regulate the size of the damping force of vibration damper.
By technique scheme, the structure of vibration damper is simpler, and can realize the control of the damping force to vibration damper.So just can make vibration damper can be adapted to various automobile running condition, provide effective vibration damping and the powerful even support of rigidity to car load vehicle body, effectively prevent vehicle body sustained oscillation, excessively pitching, excessively roll even rollover etc., guarantee the safety and steady operation of car load.
Preferably, this modulating valve 5 comprises fixed valve plate 51, moving valve plate 52 and runs through the rotatingshaft 53 that described fixed valve plate (51) is fixedly connected with described moving valve plate 52 center and with described moving valve plate 52, on described fixed valve plate 51, there is fixed valve plate arcuate socket 54, on described moving valve plate 52, there is the moving valve plate arcuate socket 55 that can all overlap, partially overlap or not overlap with described fixed valve plate arcuate socket 54.
Wherein, described fixed valve plate 51 and described moving valve plate 52 can be formed as various shapes as required, preferably, are all formed as discoidly, and the two size is corresponding, can being snugly assembled together each other.
Described rotatingshaft 53 can first be made for independently member, and then by variety of way well known in the art, as welding, bolt connect, bonding etc. make its with through as described in moving valve plate 52 centers state and as described in moving valve plate 52 be fixed together, or also can as shown in Figure 2, directly described rotatingshaft 53 be made for to one with described moving valve plate 52.Then, by be formed centrally through hole in described fixed valve plate 51, and make described rotatingshaft 53 through this through hole, described fixed valve plate 51 can be sleeved on described rotatingshaft 53 and with described moving valve plate 52 and fit, thereby described fixed valve plate 51, moving valve plate 52 and rotatingshaft 53 are fitted together, and described rotatingshaft 53 can rotate with respect to described fixed valve plate 51 together with described moving valve plate 52.
Fixed valve plate arcuate socket 54 on moving valve plate arcuate socket 55 and described fixed valve plate 51 on described moving valve plate 52 has essentially identical groove width, and the radial distance at place valve block center is substantially equal separately for their distances, therefore, along with the rotation of described moving valve plate 52, described moving valve plate arcuate socket 55 and described fixed valve plate arcuate socket 54 can be realized wholly or in part and overlapping, and described moving valve plate arcuate socket 55 and described fixed valve plate arcuate socket 54 can be realized wholly or in part and being communicated with.
Thereby, drive described moving valve plate 52 to rotate by rotating described rotatingshaft 53, can make the moving valve plate arcuate socket 55 on described moving valve plate 52 change linearly with the area that overlaps of the fixed valve plate arcuate socket 54 on described fixed valve plate 51, that is to say when in the dydraulic shock absorber that described modulating valve 5 is arranged on to automobile, can make by rotating described moving valve plate 52 the passage section linear change of fluid, therefore can regulate control to the flow of the fluid in vibration damper, thereby can regulate control to the damping force of vibration damper, to reach the effect that suppresses better spring vibration, thereby further improve the riding comfort of automobile.
Preferably, on described moving valve plate 52, also there is the locating stud 56 that can move along described fixed valve plate arcuate socket 54, described locating stud 56, fixed valve plate arcuate socket 54 and moving valve plate arcuate socket 55 are all arranged on described rotatingshaft 53 circumference identical as the radius in the center of circle, and described locating stud 56 is arranged in described fixed valve plate arcuate socket 54 and can moves along described fixed valve plate arcuate socket 54 with the rotation of described moving valve plate 52.
Described locating stud 56 can be by variety of way well known in the art, as welding, bolt connect, bonding etc. being fixedly attached on described moving valve plate 52, or also can be directly and described moving valve plate 52 be integrally formed.In the time that described fixed valve plate 51, moving valve plate 52 and rotatingshaft 53 are fitted together, described locating stud 56 will just in time be inserted in the fixed valve plate arcuate socket 54 of described fixed valve plate 51, therefore in the time that described moving valve plate 52 rotates, described locating stud 56 will move along described fixed valve plate arcuate socket 54, and in the time that described locating stud 56 moves to the two-end-point position of described fixed valve plate arcuate socket 54, described moving valve plate arcuate socket 55 overlap with the maximum of described fixed valve plate arcuate socket 54 area and minimum coincidence area will be corresponded respectively to.Thereby utilize described locating stud 56, can overlap with the maximum of described fixed valve plate arcuate socket 54 and adjust between area and minimum coincidence area at described moving valve plate arcuate socket 55, between the maximum passage section of fluid and minimum passage section, adjust, between the maximum damping that also can provide at vibration damper and the angle of the corresponding moving valve plate 52 of minimum damping, adjust moving valve plate 52.
As shown in Fig. 3, Fig. 4 and Fig. 5, in another embodiment of the present invention, described modulating valve 5 also comprises the normal open hole 57 that connects described fixed valve plate 51 and described moving valve plate 52.Described normal open hole 57 can arrange multiple as required, its role is to not overlap completely with described fixed valve plate arcuate socket 54 when described moving valve plate arcuate socket 55, that is to say when described moving valve plate arcuate socket 55 and described fixed valve plate arcuate socket 54 are not communicated with completely, the fluid of described fixed valve plate 51 and described moving valve plate 52 both sides can circulate by described normal open hole 57, to play damping function.
But above-mentioned normal open hole 57 can optionally arrange according to actual conditions.As shown in Figure 1, this normal open hole 57 is not set in the preferred embodiment of the present invention, and moving valve plate arcuate socket 55 and fixed valve plate arcuate socket 54 can not overlap completely, that is to say and can guiding gutter 22 be blocked completely by this modulating valve 5, thereby make can disconnect completely between the rod chamber of vibration damper and rodless cavity.In some situation, need vibration damper to produce larger damping force, even need the oil circuit blocking-up of vibration damper to make it just as cylinder body, now the damping force of vibration damper is far longer than nominal situation damping force, to play effective effectiveness in vibration suppression, preventing vehicle body sustained oscillation, excessively pitching, excessively inclination is even tumbled etc., guarantees that there is more effectively effect vehicle safety smooth running aspect.
Preferably, the arc length of described fixed valve plate arcuate socket 54 is greater than the arc length of described moving valve plate arcuate socket 55, in the time that described locating stud 56 is positioned at the first end of described fixed valve plate arcuate socket 54, whole and the fixed valve plate arcuate socket 54 of described moving valve plate arcuate socket 55 overlaps, in the time that described locating stud 56 is positioned at the second end of described fixed valve plate arcuate socket 54, described moving valve plate arcuate socket 55 does not overlap with fixed valve plate arcuate socket 54.
Area of overlap when this preferred implementation is also positioned at limit position to locating stud 56 limits, when locating stud 56 is in the time being positioned at the two ends of fixed valve plate arcuate socket 54, described moving valve plate arcuate socket 55 has respectively maximum value and minimum value with the area of overlap of fixed valve plate arcuate socket 54.In this preferred implementation, as shown in Figure 2, because the arc length of moving valve plate arcuate socket 55 is less than the arc length of fixed valve plate arcuate socket 54, therefore in the time that locating stud 56 is positioned at the first end of fixed valve plate arcuate socket 54, moving valve plate arcuate socket 55 all drop on fixed valve plate arcuate socket 54 in, like this, moving valve plate arcuate socket 55 all corresponding with fixed valve plate arcuate socket 54, namely described moving valve plate arcuate socket 55 has maximum value with the area of overlap of fixed valve plate arcuate socket 54, in mode of execution as shown in Figure 2, in the time that locating stud 56 is positioned at the first end of fixed valve plate arcuate socket 54, one end away from this locating stud 56 of moving valve plate arcuate socket 55 is corresponding with the second end of fixed valve plate arcuate socket 54, in the time that locating stud 56 is positioned at the second end of fixed valve plate arcuate socket 54, moving valve plate arcuate socket 55 all drops on outside fixed valve plate arcuate socket 54, like this, moving valve plate arcuate socket 55 does not overlap completely with fixed valve plate arcuate socket 54, and described moving valve plate arcuate socket 55 has minimum value with the area of overlap of fixed valve plate arcuate socket 54.
In mode of execution as shown in Figure 2, preferably, the equating with the arc length of fixed valve plate arcuate socket 54 away from the arc length between one end of this locating stud 56 of this locating stud 56 and moving valve plate arcuate socket 55,, this structure just can realize above-mentioned operation.
Preferably, be provided with the displacement transducer 7 for detection of the position of described piston rod 3 on described cylinder body 2, this displacement transducer 7 is electrically connected with described control motor 6.
In this preferred implementation, on cylinder body 2, be provided with displacement transducer 7, this displacement transducer 7 can detect the position of piston rod 3, it is piston rod 3 actual residing position in whole stroke, by detecting the physical location of this piston rod 3, can judge the residing working state of this vibration damper, and the size of the damping force that comprehensively vibration damper produces, the conditions such as the travel situations of automobile calculate the size of the damping force of the vibration damper of actual demand, thereby vibration damper is regulated.
In the present embodiment, displacement transducer 7 is electrically connected with control motor 6, in actual applications, thereby displacement transducer 7 is conventionally electrically connected position signal is sent to controller with controller, controller is electrically connected with control motor 6 again, thereby control controlling motor 6, so just can utilize the position signal of the piston rod 3 that controller equal controller detects according to displacement transducer 7 to control controlling motor 6, thereby regulating and controlling valve 5 is to adjust the flow in guiding gutter 22, adjust the flow in through-flow pipeline 4, to play the control of the damping force to vibration damper.
Preferably, be provided with the flow transducer 8 for detection of the flow of the fluid in described through-flow pipeline 4 in described through-flow pipeline 4, this flow transducer 8 is electrically connected with described control motor 6.
In this preferred implementation, in through-flow pipeline 4, flow transducer 8 is set, this flow transducer is for detection of the flow of the fluid in through-flow pipeline 4, it is the volume that passes through the fluid of this through-flow pipeline 4 in the unit time, by detecting the flow of the fluid in through-flow pipeline 4, can judge the residing working state of this vibration damper, and the size of the damping force that comprehensively vibration damper produces, the conditions such as the travel situations of automobile calculate the size of the damping force of the vibration damper of actual demand, thereby vibration damper is regulated.
In the present embodiment, flow transducer 8 is electrically connected with control motor 6, thereby the flux signal in the through-flow pipeline 4 directly detecting by flow transducer 8 is controlled controlling motor 6, thereby regulating and controlling valve 5 is to adjust the flow in guiding gutter 22, adjust the flow in through-flow pipeline 4, to play the control of the damping force to vibration damper.
It should be noted that, in two mode of executions mentioned above, adopt respectively displacement transducer 7 and flow transducer 8 to carry out the flow of the fluid of the position to piston rod 3 and through-flow pipeline 4 respectively and detected, thereby realized the judgement to vibration damper working state.But in actual applications, can adopt the flow transducer 8 of the flow of the displacement transducer 7 of the position of detecting piston rod 3 and the fluid of the through-flow pipeline 4 of detection simultaneously, so just can judge more exactly the working state of vibration damper, for example flow transducer 8 detects that the flow of the fluid in through-flow pipeline 4 increases, and displacement transducer 7 detects that piston rod 3 is towards the direction motion of shrinking in cylinder body 2, can judge more exactly that now vehicle is subject to impact force upwards, vehicle bridge is post towards body movement, thereby according to actual conditions, modulating valve 5 is regulated, to adjust the flow of guiding gutter 22, namely adjust the flow in through-flow pipeline 4, thereby the damping force of vibration damper regulates.
Certainly, the working state how the present invention detects vibration damper is not limited, only exemplified the position that utilizes displacement transducer 7 to detect piston rod 3 herein and utilized flow transducer 8 to detect the preferred implementation of the flow of the fluid of through-flow pipeline 4, and both use the determine effect of vibration damper working state better in combination.In addition, the detection device that can also be combined with other according to practical situations detects vibration damper, thereby judges the working state of vibration damper.
The present invention also provides a kind of vibration damper control system, wherein, this vibration damper control system comprises controller and according to vibration damper of the present invention, this controller comprises load module, puocessing module and control module, this control module is electrically connected with described control motor 6
Described load module is used for receiving the input signal that represents automobile running condition, and this input signal is sent to described puocessing module;
Described puocessing module produces vibration reduction control signal for the input signal receiving according to described load module, and this vibration reduction control signal is sent to described control module;
Described control module is used for receiving this vibration reduction control signal, and correspondingly controls described control motor 6.
Vibration damper control system provided by the invention comprises vibration damper and controller, this vibration damper is according to the vibration damper described in the preferred embodiment of the present invention, the modulating valve 5 of this vibration damper has according to the structure described in the preferred embodiment for the present invention (its feature, working method and technique effect do not repeat them here), thereby this modulating valve 5 can be regulated by controlling motor 6.Certainly this modulating valve 5 also adopts any applicable structure in prior art to realize.
The load module of controller receives the input signal that represents automobile running condition, this input signal can detect by detection device, also can obtain by artificially or other modes, for example input by operator the signal that represents automobile running condition, load module is sent to puocessing module after receiving this input signal.Puocessing module produces vibration reduction control signal according to this input signal, and this vibration reduction control signal is sent to control module.This control module is used for receiving this vibration reduction control signal, and correspondingly controls described control motor 6 according to this vibration reduction control signal, modulating valve 5 is controlled, thus the size of the damping force of adjusting vibration damper.
It should be noted that, by the detection to automobile running condition, those skilled in the art can determine the controlled quentity controlled variable to vibration damper easily according to physical principle and experience etc., and also can correspondingly know according to various automobile running condition the size of the damping force of needed vibration damper, and this can be stored in puocessing module with the corresponding relation that physical principle is set up based on experience value, so that modulating valve 5 is regulated, thereby the damping force of vibration damper is regulated.For example, in the time of automobile emergency brake, the vehicle body amplitude that leans forward is larger, now the piston rod of the vibration damper of propons is retracted, the piston rod of the vibration damper of back axle stretches out, and the flow in the through-flow pipeline 4 of the vibration damper of propons and back axle all increases suddenly, now should reduce the aperture of modulating valve, the damping force that vibration damper produces flow in guiding gutter reduced, so that can promptly reach needs.The in the situation that of other urgent change automobile balance travelling states, modulating valve is correspondingly regulated, the trend changing suddenly to reduce this travelling state, but the speed that the degree of concrete adjusting is changed by this travelling state etc. are determined.Therefore, in the present invention, above-mentioned corresponding relation is not limited, those skilled in the art can set up this corresponding relation and carry out appropriate correction according to existing knowledge and experience, and any the present invention of can be used in regulates modulating valve 5, thereby the damping force of vibration damper is regulated.
Preferably, be provided with the displacement transducer 7 for detection of the position of described piston rod 3 on described cylinder body 2, this displacement transducer 7 is electrically connected with described load module,
Described load module is used for receiving the piston position signal that comes from described displacement transducer 7, and this piston position signal is sent to puocessing module;
Described puocessing module is used for producing vibration reduction control signal according to described piston position signal, and this vibration reduction control signal is sent to described control module.
In this preferred implementation, on cylinder body 2, be provided with displacement transducer 7, this displacement transducer 7 can detect the piston position signal of piston rod 3, represent the signal of piston rod 3 actual residing position in whole stroke, by detecting the physical location of this piston rod 3, can judge the residing working state of this vibration damper, and this piston position signal is sent to load module, this piston position signal is sent to puocessing module by load module, puocessing module produces vibration reduction control signal according to this piston position signal, and this vibration reduction control signal is sent to control module, control module is adjusted controlling motor 6 according to this vibration reduction control signal again.
It should be noted that, puocessing module in producing vibration reduction control signal according to this piston position signal, the size of the damping force that also comprehensively vibration damper produces, the conditions such as the travel situations of automobile, thereby vibration reduction control signal is more accurate.
In the present embodiment, displacement transducer 7 is electrically connected with control motor 6 by controller, the position signal of the piston rod 3 that controller detects according to displacement transducer 7 is controlled controlling motor 6, thereby regulating and controlling valve 5 is to adjust the flow in guiding gutter 22, adjust the flow in through-flow pipeline 4, to play the control of the damping force to vibration damper.
Preferably, be provided with the flow transducer 8 for detection of the flow of the fluid in described through-flow pipeline 4 in described through-flow pipeline 4, this flow transducer 8 is electrically connected with described load module,
Described load module is used for receiving the flux signal that comes from described flow transducer 8, and this flux signal is sent to puocessing module;
Described puocessing module is used for producing vibration reduction control signal according to described flux signal, and this vibration reduction control signal is sent to described control module.
In this preferred implementation, in through-flow pipeline 4, flow transducer 8 is set, this flow transducer is for detection of the flow of the fluid in through-flow pipeline 4, it is the volume that passes through the fluid of this through-flow pipeline 4 in the unit time, by detecting the flow of the fluid in through-flow pipeline 4, can judge the residing working state of this vibration damper, and this flux signal is sent to load module, this piston position signal is sent to puocessing module by load module, puocessing module produces vibration reduction control signal according to this piston position signal, this vibration reduction control signal is sent to control module, control module is adjusted controlling motor 6 according to this vibration reduction control signal again.
It should be noted that, puocessing module in producing vibration reduction control signal according to this flux signal, the size of the damping force that also comprehensively vibration damper produces, the conditions such as the travel situations of automobile, thereby vibration reduction control signal is more accurate.
In the present embodiment, flow transducer 8 is electrically connected with control motor 6 by controller, flux signal in the through-flow pipeline 4 that controller detects according to flow transducer 8 is controlled controlling motor 6, thereby regulating and controlling valve 5 is to adjust the flow in guiding gutter 22, adjust the flow in through-flow pipeline 4, to play the control of the damping force to vibration damper.
It should be noted that, in two mode of executions mentioned above, having adopted respectively displacement transducer 7 and flow transducer 8 to carry out the flow of the fluid of the position to piston rod 3 and through-flow pipeline 4 respectively detects, thereby realize the judgement to vibration damper working state, and corresponding testing signal is sent to controller.But in actual applications, can adopt the flow transducer 8 of the flow of the displacement transducer 7 of the position of detecting piston rod 3 and the fluid of the through-flow pipeline 4 of detection simultaneously, the load module of controller receives piston position signal and flux signal, so just can judge more exactly the working state of vibration damper, for example flow transducer 8 detects that the flow of the fluid in through-flow pipeline 4 increases, and displacement transducer 7 detects that piston rod 3 is towards the direction motion of shrinking in cylinder body 2, can judge more exactly that now vehicle is subject to impact force upwards, vehicle bridge is post towards body movement, load module is sent to puocessing module after receiving this testing signal, puocessing module produces vibration reduction control signal according to the travelling state of automobile, thereby modulating valve 5 is regulated, to adjust the flow of guiding gutter 22, namely adjust the flow in through-flow pipeline 4, thereby the damping force of vibration damper regulates.
Certainly, the working state how the present invention detects vibration damper is not limited, only exemplified the position that utilizes displacement transducer 7 to detect piston rod 3 herein and utilized flow transducer 8 to detect the preferred implementation of the flow of the fluid of through-flow pipeline 4, and both use the determine effect of vibration damper working state better in combination.In addition, the detection device that can also be combined with other according to practical situations detects vibration damper, thereby judges the working state of vibration damper.
The present invention also provides a kind of automobile, and wherein, this automobile comprises vibration damping control system of the present invention.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between various mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a vibration damper, this vibration damper comprises clutch release slave cylinder (1), this clutch release slave cylinder (1) comprises cylinder body (2) and piston rod (3), one end of described cylinder body (2) is provided with valve seat (21), described piston rod (3) stretches into described cylinder body (2) from the other end of described cylinder body (2), and described cylinder body (2) is divided into rod chamber and rodless cavity by the piston of described piston rod (3), it is characterized in that, described vibration damper also comprises the rod chamber of clutch release slave cylinder (1) and the through-flow pipeline (4) of rodless cavity described in UNICOM, be formed in described valve seat (21) and the guiding gutter (22) communicating with described through-flow pipeline (4), be arranged in described guiding gutter (22) for the modulating valve (5) of adjust flux with for controlling the control motor (6) of circulation aperture of this modulating valve (5).
2. vibration damper according to claim 1, it is characterized in that, this modulating valve (5) comprises fixed valve plate (51), moving valve plate (52) and runs through the rotatingshaft (53) that described fixed valve plate (51) is fixedly connected with the center of described moving valve plate (52) and with described moving valve plate (52), on described fixed valve plate (51), there is fixed valve plate arcuate socket (54), on described moving valve plate (52), there is the moving valve plate arcuate socket (55) that can all overlap, partially overlap or not overlap with described fixed valve plate arcuate socket (54).
3. vibration damper according to claim 1, it is characterized in that, on described moving valve plate (52), also having can be along the locating stud (56) of described fixed valve plate arcuate socket (54) motion, described locating stud (56), fixed valve plate arcuate socket (54) and moving valve plate arcuate socket (55) are all arranged on described rotatingshaft (53) circumference identical as the radius in the center of circle, and described locating stud (56) is arranged in described fixed valve plate arcuate socket (54) and can moves along described fixed valve plate arcuate socket (54) with the rotation of described moving valve plate (52).
4. vibration damper according to claim 3, it is characterized in that, the arc length of described fixed valve plate arcuate socket (54) is greater than the arc length of described moving valve plate arcuate socket (55), in the time that described locating stud (56) is positioned at the first end of described fixed valve plate arcuate socket (54), whole and the fixed valve plate arcuate socket (54) of described moving valve plate arcuate socket (55) overlaps, in the time that described locating stud (56) is positioned at the second end of described fixed valve plate arcuate socket (54), described moving valve plate arcuate socket (55) does not overlap with fixed valve plate arcuate socket (54).
5. vibration damper according to claim 1, is characterized in that, is provided with the displacement transducer (7) for detection of the position of described piston rod (3) on described cylinder body (2), and this displacement transducer (7) is electrically connected with described control motor (6).
6. vibration damper according to claim 1 or 5, it is characterized in that, in described through-flow pipeline (4), be provided with the flow transducer (8) for detection of the flow of the fluid in described through-flow pipeline (4), this flow transducer (8) is electrically connected with described control motor (6).
7. a vibration damper control system, it is characterized in that, this vibration damper control system comprises controller and according to the vibration damper described in any one in the claims 1-4, this controller comprises load module, puocessing module and control module, this control module is electrically connected with described control motor (6)
Described load module is used for receiving the input signal that represents automobile running condition, and this input signal is sent to described puocessing module;
Described puocessing module produces vibration reduction control signal for the input signal receiving according to described load module, and this vibration reduction control signal is sent to described control module;
Described control module is used for receiving this vibration reduction control signal, and correspondingly controls described control motor (6).
8. vibration damping control system according to claim 7, is characterized in that, is provided with the displacement transducer (7) for detection of the position of described piston rod (3) on described cylinder body (2), and this displacement transducer (7) is electrically connected with described load module,
Described load module comes from the piston position signal of described displacement transducer (7) for receiving, and this piston position signal is sent to puocessing module;
Described puocessing module is used for producing vibration reduction control signal according to described piston position signal, and this vibration reduction control signal is sent to described control module.
9. according to the vibration damping control system described in claim 7 or 8, it is characterized in that, in described through-flow pipeline (4), be provided with the flow transducer (8) for detection of the flow of the fluid in described through-flow pipeline (4), this flow transducer (8) is electrically connected with described load module
Described load module comes from the flux signal of described flow transducer (8) for receiving, and this flux signal is sent to puocessing module;
Described puocessing module is used for producing vibration reduction control signal according to described flux signal, and this vibration reduction control signal is sent to described control module.
10. an automobile, is characterized in that, this automobile comprises the vibration damping control system described in the claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558566.7A CN103883663B (en) | 2012-12-20 | 2012-12-20 | Shock absorber, shock absorber control system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558566.7A CN103883663B (en) | 2012-12-20 | 2012-12-20 | Shock absorber, shock absorber control system and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883663A true CN103883663A (en) | 2014-06-25 |
| CN103883663B CN103883663B (en) | 2017-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210558566.7A Active CN103883663B (en) | 2012-12-20 | 2012-12-20 | Shock absorber, shock absorber control system and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103883663B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402252A (en) * | 2016-11-04 | 2017-02-15 | 江苏金泰堡机械制造有限公司 | Absorber base device with continuously adjustable damping |
| CN111396495A (en) * | 2020-03-25 | 2020-07-10 | 桂林电子科技大学 | Shock absorber and commercial car suspension |
| CN112665673A (en) * | 2021-01-08 | 2021-04-16 | 临沂汇泉仪表有限公司 | Intelligent water meter with water flow adjusting function |
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| US2342729A (en) * | 1942-10-30 | 1944-02-29 | Nevin S Focht | Hydraulic shock absorber |
| GB2168455A (en) * | 1984-12-18 | 1986-06-18 | Fichtel & Sachs Ag | Vibration damper with variable damping force |
| CN2731174Y (en) * | 2004-06-07 | 2005-10-05 | 江苏大学 | Multi-purpose Throttle type adjustable shock-damper |
| CN201344226Y (en) * | 2008-12-24 | 2009-11-11 | 比亚迪股份有限公司 | Vibration damper and vehicle with the same |
| CN202371076U (en) * | 2011-11-21 | 2012-08-08 | 北汽福田汽车股份有限公司 | Adjusting valve and damping-adjustable shock absorber comprising adjusting valve |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2342729A (en) * | 1942-10-30 | 1944-02-29 | Nevin S Focht | Hydraulic shock absorber |
| GB2168455A (en) * | 1984-12-18 | 1986-06-18 | Fichtel & Sachs Ag | Vibration damper with variable damping force |
| CN2731174Y (en) * | 2004-06-07 | 2005-10-05 | 江苏大学 | Multi-purpose Throttle type adjustable shock-damper |
| CN201344226Y (en) * | 2008-12-24 | 2009-11-11 | 比亚迪股份有限公司 | Vibration damper and vehicle with the same |
| CN202371076U (en) * | 2011-11-21 | 2012-08-08 | 北汽福田汽车股份有限公司 | Adjusting valve and damping-adjustable shock absorber comprising adjusting valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402252A (en) * | 2016-11-04 | 2017-02-15 | 江苏金泰堡机械制造有限公司 | Absorber base device with continuously adjustable damping |
| CN111396495A (en) * | 2020-03-25 | 2020-07-10 | 桂林电子科技大学 | Shock absorber and commercial car suspension |
| CN112665673A (en) * | 2021-01-08 | 2021-04-16 | 临沂汇泉仪表有限公司 | Intelligent water meter with water flow adjusting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103883663B (en) | 2017-06-06 |
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