CN108518445B - Electromagnetic shock absorber for vehicle and automobile with adjustable shock absorbing damping - Google Patents
Electromagnetic shock absorber for vehicle and automobile with adjustable shock absorbing damping Download PDFInfo
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- CN108518445B CN108518445B CN201810582137.0A CN201810582137A CN108518445B CN 108518445 B CN108518445 B CN 108518445B CN 201810582137 A CN201810582137 A CN 201810582137A CN 108518445 B CN108518445 B CN 108518445B
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- 230000035939 shock Effects 0.000 title claims abstract description 76
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 48
- 238000013016 damping Methods 0.000 title claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 48
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000011553 magnetic fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0165—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/021—Spring characteristics, e.g. mechanical springs and mechanical adjusting means the mechanical spring being a coil spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F6/00—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/06—Stiffness
- F16F2228/066—Variable stiffness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0023—Purpose; Design features protective
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0029—Location, co-location
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/08—Sensor arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/18—Control arrangements
- F16F2230/186—Control arrangements with manual adjustments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/42—Multiple pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2232/00—Nature of movement
- F16F2232/08—Linear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/026—Springs wound- or coil-like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an electromagnetic shock absorber of a vehicle and an automobile with adjustable shock absorption damping, which comprises a cylinder body, a first electromagnetic piston, a second electromagnetic piston and a main shock absorption spring, wherein the cylinder body is sleeved with the main shock absorption spring; the upper limit end cover is provided with a first through hole, the lower limit end cover is provided with a second through hole, the lower end of the first electromagnetic piston stretches into the inner cavity of the cylinder body, the upper end of the second electromagnetic piston stretches into the inner cavity of the cylinder body, the first through hole is matched with the first electromagnetic piston, the second through hole is matched with the second electromagnetic piston, the upper end of the first electromagnetic piston is connected with a first flange, the lower end of the second electromagnetic piston is connected with a second flange, the first flange is matched with the upper end of the main shock-absorbing spring, and the second flange is matched with the lower end of the main shock-absorbing spring; the cylinder body inner chamber is provided with displacement monitoring module, and displacement control module upside is provided with first solenoid, and displacement control module downside is provided with the second solenoid, and first solenoid cup joints with first electromagnetic piston cooperation, and the second solenoid cup joints with second electromagnetic piston cooperation.
Description
Technical Field
The invention relates to the technical field of shock absorbers and automobile shock absorbers, in particular to a vehicle electromagnetic shock absorber and an automobile with adjustable shock absorption damping.
Background
Vehicles are an important component in the current social traffic environment, and a shock absorbing system is arranged on each vehicle in order to ensure the comfort level of passengers, but the shock absorber structure of the shock absorbing system in the prior art mainly comprises springs and hydraulic cylinders, has the defects of slow response, non-adjustable height and non-adjustable hardness, and seriously influences the comfort level of automobile drivers and passengers.
An invention of patent application number 201110052337.3 creates and discloses a variable damping shock absorber and drum washing machine using this kind of shock absorber, this shock absorber includes: the shock absorber cylinder body consists of a damping cavity and a buffer cavity; a piston rod inserted into the cylinder; the piston is fixedly arranged on the piston rod in the damping cavity, and the damping cavity is communicated with the outside; the damping cavity is filled with magnetic fluid, the piston is internally provided with an electromagnet and an orifice through which the magnetic fluid can circulate, and the electromagnet is connected with the main controller through a wire in the piston rod.
The patent literature mainly utilizes the main controller to control the current, and utilizes the strong and weak change of electromagnetic ferromagnetism to change the fluidity of magnetic fluid so as to achieve the purpose of adjusting damping in real time. Although the shock absorber can realize the function of adjusting the softness of the shock absorber to a certain extent, the damping strength adjustment precision is still insufficient, and a plurality of limitations exist.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an electromagnetic shock absorber for a vehicle and an automobile with adjustable shock absorption damping; the invention utilizes the principle of electromagnetic reaction, the inductor detects various running conditions, and the displacement monitoring module controls the magnetic force of the electromagnetic coil to instantaneously respond correspondingly, so as to realize the adjustment of the hardness of the shock absorber, thereby improving the running stability of the automobile; the device can automatically adjust the high and low softness of the automobile suspension system through the electromagnetic system in the running process of the automobile to improve the comfort of passengers, can manually improve the suspension height to ensure the trafficability of the automobile, and can also automatically reduce the suspension height to improve the comfort of the low automobile gravity center in high-speed running.
An electromagnetic shock absorber for a vehicle comprises a cylinder body, a first electromagnetic piston, a second electromagnetic piston and a main shock absorbing spring, wherein the main shock absorbing spring is sleeved on the periphery of the cylinder body; the upper limit end cover of the cylinder body is provided with a first through hole, the lower limit end cover of the cylinder body is provided with a second through hole, the lower end of the first electromagnetic piston stretches into the upper part of the inner cavity of the cylinder body, the upper end of the second electromagnetic piston stretches into the lower part of the inner cavity of the cylinder body, the first through hole is matched with the outer circle of the first electromagnetic piston, the second through hole is matched with the outer circle of the second electromagnetic piston, the upper end of the first electromagnetic piston is connected with a first flange, the lower end of the second electromagnetic piston is connected with a second flange, the first flange is matched with the upper end of the main shock-absorbing spring, and the second flange is matched with the lower end of the main shock-absorbing spring; the cylinder body inner chamber is provided with and is used for monitoring the displacement monitoring module of electromagnetic piston displacement, displacement control module upside is provided with first solenoid, displacement control module downside is provided with the second solenoid, first solenoid with first electromagnetic piston cooperation cup joints, the second solenoid with second electromagnetic piston cooperation cup joints.
The lower part of the first electromagnetic piston is provided with an annular groove of the first electromagnetic piston, the upper part of the second electromagnetic piston is provided with an annular groove of the second electromagnetic piston, the first electromagnetic coil is matched with the annular groove of the first electromagnetic piston, and the second electromagnetic coil is matched with the annular groove of the second electromagnetic piston.
The first electromagnetic piston and the second electromagnetic piston are of hollow structures, and cables of the first electromagnetic coil, the second electromagnetic coil and the displacement sensor are led out of the electromagnetic shock absorber through the hollow structures.
The shock absorber further comprises a first height adjusting spring and a second height adjusting spring, wherein the first height adjusting spring and the first electromagnetic piston are sleeved, the upper end of the first height adjusting spring is matched with the inner end face of the first flange, the lower end of the first height adjusting spring is matched with the upper limiting end cover, the second height adjusting spring and the second electromagnetic piston are sleeved, and the upper end of the second height adjusting spring is matched with the lower limiting end cover, and the lower end of the second height adjusting spring is matched with the inner end face of the second flange.
And rubber protective covers are sleeved at the peripheries of the first height adjusting spring and the second height adjusting spring respectively.
The rubber protective cover is positioned in the inner space of the main shock absorbing spring.
The displacement monitoring module comprises an ECU and a displacement sensor, wherein the ECU is electrically connected with the displacement sensor, the ECU is electrically connected with a regulator for regulating the current of the electromagnetic coil, the lower end surface of the first electromagnetic piston is provided with an axial connecting hole I, the upper end surface of the second electromagnetic piston is provided with an axial connecting hole II, the axial connecting hole I is connected with one end of the displacement sensor, and the axial connecting hole II is connected with the other end of the displacement sensor.
The upper end of the first electromagnetic piston is connected with the first flange through threads, and the lower end of the second electromagnetic piston is connected with the second flange through threads.
The utility model provides an adjustable damping car that moves away to avoid possible earthquakes, this car includes automobile body, chassis, power device and electrical equipment, the chassis still includes the system of moving away to avoid possible earthquakes, characterized by, the system of moving away to avoid possible earthquakes include the vehicle electromagnetic shock absorber, vehicle electromagnetic shock absorber one end is connected with the crank through first flange, the vehicle electromagnetic shock absorber other end is connected with the suspension structure through the second flange.
The invention has the beneficial effects that:
1. The main shock absorbing spring provides different initial elasticity according to different requirements required by the shock absorber, and the displacement monitoring module controls the current of the electromagnetic coil so as to control the magnetic force exerted on the first electromagnetic piston and the second electromagnetic piston by the electromagnetic coil, so that the elasticity between the cylinder body and the first electromagnetic piston and the initial height of the cylinder body are regulated, and the technical problems of incapacity of adjusting the softness and the hardness and the height of the shock absorber of the automobile in the prior art are solved. Meanwhile, the design of the double pistons of the first electromagnetic piston and the second electromagnetic piston and the matching of the displacement monitoring module can realize the double adjustment of the upper elastic force and the lower elastic force of the electromagnetic shock absorber of the vehicle, and the adjustment precision of the electromagnetic shock absorber of the vehicle is greatly improved.
2. The design of the first height adjusting spring and the second height adjusting spring can change the position of the cylinder body according to different elasticity of the first height adjusting spring and the second height adjusting spring, and then the initial elastic movement range of the cylinder body is changed, so that the first height adjusting spring and the second height adjusting spring with different elasticity can be replaced to realize the change of the initial elastic movement range of the cylinder body, the adaptability of the electromagnetic shock absorber of the vehicle is greatly improved, and the application range is wider.
3. The rubber protective cover can provide necessary protection such as dust prevention, water prevention and the like for the electromagnetic shock absorber of the vehicle.
4. An adjustable shock-absorbing damping automobile is provided with an electromagnetic shock absorber of the automobile, the function of a shock-absorbing system of the automobile is further improved, and the shock-absorbing damping of the automobile can be automatically or manually adjusted through an ECU according to road conditions and the speed of the automobile, so that the running stability of the automobile is improved.
5. The device can automatically adjust the high and low softness of the automobile suspension system through the electromagnetic system in the running process of the automobile to improve the comfort of passengers, can manually improve the suspension height to ensure the trafficability of the automobile, and can also automatically reduce the suspension height to improve the comfort of the low automobile gravity center in high-speed running.
Drawings
FIG. 1 is a schematic structural view of a vehicle electromagnetic shock absorber;
Reference numerals: 1. the cylinder body, 2, first solenoid, 3, rubber protection casing, 4, first flange, 5, first through-hole, 6, first electromagnetic piston, 7, first altitude mixture control spring, 8, main damping spring, 9, ring channel, 10, second solenoid, 11, second altitude mixture control spring, 12, second flange, 13, second through-hole, 14, second electromagnetic piston, 15, displacement sensor.
It is noted that in the description of the present invention, the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Detailed Description
The invention is further illustrated in the following figures and examples, which are provided for the purpose of illustration only and are not intended to be limiting.
Example 1:
As shown in fig. 1, the electromagnetic shock absorber for the vehicle comprises a cylinder body 1, a first electromagnetic piston 6, a second electromagnetic piston 14 and a main shock spring 8, wherein the main shock spring 8 is sleeved on the periphery of the cylinder body 1; the upper limit end cover of the cylinder body 1 is provided with a first through hole 5, the lower limit end cover of the cylinder body 1 is provided with a second through hole 13, the lower end of the first electromagnetic piston 6 stretches into the upper part of the inner cavity of the cylinder body 1, the upper end of the second electromagnetic piston 14 stretches into the lower part of the inner cavity of the cylinder body 1, the first through hole 5 is matched with the outer circle of the first electromagnetic piston 6, the second through hole 13 is matched with the outer circle of the second electromagnetic piston 14, the upper end of the first electromagnetic piston 6 is connected with the first flange 4, the lower end of the second electromagnetic piston 14 is connected with the second flange 12, the first flange 4 is matched with the upper end of the main shock spring 8, and the second flange 12 is matched with the lower end of the main shock spring 8; the inner cavity of the cylinder body 1 is provided with a displacement monitoring module for monitoring the displacement of the electromagnetic piston, the upper side of the displacement control module is provided with a first electromagnetic coil 2, the lower side of the displacement control module is provided with a second electromagnetic coil 10, the first electromagnetic coil 2 is sheathed with the first electromagnetic piston 6 in a matched manner, and the second electromagnetic coil 10 is sheathed with the second electromagnetic piston 14 in a matched manner. The upper end of the first electromagnetic piston 6 is connected with the first flange 4 through threads, and the lower end of the second electromagnetic piston 14 is connected with the second flange 12 through threads.
The lower part of the first electromagnetic piston 6 is provided with an annular groove 9 of the first electromagnetic piston, the upper part of the second electromagnetic piston 14 is provided with an annular groove 9 of the second electromagnetic piston, the first electromagnetic coil 2 is matched with the annular groove 9 of the first electromagnetic piston, and the second electromagnetic coil 10 is matched with the annular groove 9 of the second electromagnetic piston.
The first electromagnetic piston 6 and the second electromagnetic piston 14 are hollow, and the cables of the first electromagnetic coil 2, the second electromagnetic coil 10 and the displacement sensor 15 are led out of the electromagnetic shock absorber through the hollow structures.
The shock absorber further comprises a first height adjusting spring 7 and a second height adjusting spring 11, wherein the first height adjusting spring 7 and the first electromagnetic piston 6 are sleeved, the upper end of the first height adjusting spring 7 is matched with the inner end surface of the first flange 4, the lower end of the first height adjusting spring is matched with the upper limit end cover, the second height adjusting spring 11 and the second electromagnetic piston 14 are sleeved, the upper end of the second height adjusting spring 11 is matched with the lower limit end cover, and the lower end of the second height adjusting spring is matched with the inner end surface of the second flange 12. The first height adjusting spring 7 and the second height adjusting spring 11 have the same elastic force.
The peripheries of the first height adjusting spring 7 and the second height adjusting spring 11 are respectively sleeved with a rubber protective cover 3. The rubber boot 3 is located in the inner space of the main shock spring 8.
1. The displacement monitoring module comprises an ECU and a displacement sensor 15, wherein the ECU is electrically connected with the displacement sensor, the ECU is electrically connected with a regulator for regulating the current of the electromagnetic coil, the lower end surface of the first electromagnetic piston 6 is provided with an axial connecting hole I, the upper end surface of the second electromagnetic piston 14 is provided with an axial connecting hole II, the axial connecting hole I is connected with one end of the displacement sensor, and the axial connecting hole II is connected with the other end of the displacement sensor. The displacement sensor can detect whether the shock absorber is in a stretched or compressed state at present and transmit signals to the ECU, the ECU can output proper current according to the information of the displacement sensor, and finally the connecting flange is provided with a mounting hole for mounting the shock absorber to a required position. The ECU can receive the displacement signal of the displacement sensor 15 in real time, and after processing, the appropriate current is conducted to the electromagnetic coils 4a, 4b, so that different attractive force or repulsive force is generated between the two electromagnetic coils 4a, 4b, and the fluctuation of the gap between the two electromagnetic coils 4a, 4b is reduced.
Example 2:
the automobile comprises an automobile body, a chassis, a power device and electrical equipment, wherein the chassis further comprises a shock absorbing system, and the shock absorbing system adopts the electromagnetic shock absorber of the automobile. One end of the vehicle electromagnetic shock absorber is connected with the crank through the first flange 4, and the other end of the vehicle electromagnetic shock absorber is connected with the suspension structure through the second flange 12.
The application method of the receiving device disclosed by the invention comprises the following steps: the parts of the shock absorber are assembled according to the original design state, and the connecting flanges 1a and 1b are installed at the original shock absorber positions of the vehicle. According to different vehicle speeds, the electromagnetic shock absorber of the vehicle has three operation modes: 1. the electromagnetic shock absorber of the vehicle can be manually adjusted through manual operation of the ECU when the vehicle speed is 0-10 KM/H, and the passing performance of the vehicle can be improved when the height of the cylinder body 1 is adjusted to be high. 2. The shock absorber can automatically adjust through inputting a preset code to the ECU when the vehicle speed is 10-60 KM/H, and the vibration force is transmitted in the direction of receiving vibration by wheels when the vehicle passes through a bump position: second flange 12 → main shock spring 8 → first flange 4 → first electromagnetic piston 6 and second electromagnetic piston 14 → displacement monitoring module. At this time, the displacement monitoring module transmits specific information to the ECU and the ECU respectively controls the first electromagnetic coil 2 and the second electromagnetic coil 10 to generate proper attraction force or repulsive force so as to balance the original balance of the suspension system due to the vibration force transmitted by the wheels. 2. When the vehicle speed is above 60KM/H, the height of the cylinder body 1 can be automatically reduced, so that the overall gravity center of the vehicle is reduced, and the vehicle can run at a high speed more stably. By the ECU, the gap between the two electromagnetic coils 4a, 4b can be reduced according to the state of high-speed running of the vehicle to achieve lowering of the center of gravity of the vehicle and improvement of running stability. The ECU may also be manually controlled during low-speed running to increase the gap between the two electromagnetic coils 4a, 4b to improve the vehicle passing performance.
Other technical features except the technical features described in the specification are known to those skilled in the art, and in order to highlight the innovative features of the present invention, the above technical features are not described in detail herein.
The above description is only of the preferred embodiments of the present invention, and not all the embodiments of the present invention should be considered as limiting the invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The automobile with adjustable shock absorption damping comprises an automobile body, a chassis, a power device and electrical equipment, wherein the chassis further comprises a shock absorption system, and the shock absorption system comprises an electromagnetic shock absorber of the automobile;
The electromagnetic shock absorber for the vehicle comprises a cylinder body, a first electromagnetic piston, a second electromagnetic piston and a main shock absorbing spring, wherein the main shock absorbing spring is sleeved on the periphery of the cylinder body; the upper limit end cover of the cylinder body is provided with a first through hole, the lower limit end cover of the cylinder body is provided with a second through hole, the lower end of the first electromagnetic piston stretches into the upper part of the inner cavity of the cylinder body, the upper end of the second electromagnetic piston stretches into the lower part of the inner cavity of the cylinder body, the first through hole is matched with the outer circle of the first electromagnetic piston, the second through hole is matched with the outer circle of the second electromagnetic piston, the upper end of the first electromagnetic piston is connected with a first flange, the lower end of the second electromagnetic piston is connected with a second flange, the first flange is matched with the upper end of the main shock-absorbing spring, and the second flange is matched with the lower end of the main shock-absorbing spring; the inner cavity of the cylinder body is provided with a displacement monitoring module for monitoring the displacement of the electromagnetic piston, the upper side of the displacement monitoring module is provided with a first electromagnetic coil, the lower side of the displacement monitoring module is provided with a second electromagnetic coil, the first electromagnetic coil is sheathed with the first electromagnetic piston in a matched manner, and the second electromagnetic coil is sheathed with the second electromagnetic piston in a matched manner;
The shock absorber further comprises a first height adjusting spring and a second height adjusting spring, wherein the first height adjusting spring and the first electromagnetic piston are sleeved, the upper end of the first height adjusting spring is matched with the inner end surface of the first flange, the lower end of the first height adjusting spring is matched with the upper limiting end cover, the second height adjusting spring is sleeved with the second electromagnetic piston, the upper end of the second height adjusting spring is matched with the lower limiting end cover, and the lower end of the second height adjusting spring is matched with the inner end surface of the second flange;
The upper end of the first electromagnetic piston is connected with the first flange through threads, and the lower end of the second electromagnetic piston is connected with the second flange through threads;
the change of the initial elastic movement range of the cylinder body is realized by replacing the first height adjusting spring and the second height adjusting spring with different elastic forces, so that the adaptability of the electromagnetic shock absorber of the vehicle is improved;
The displacement monitoring module comprises an ECU and a displacement sensor, wherein the ECU is electrically connected with the displacement sensor, the ECU is electrically connected with a regulator for regulating the current of the electromagnetic coil, the lower end surface of the first electromagnetic piston is provided with an axial connecting hole I, the upper end surface of the second electromagnetic piston is provided with an axial connecting hole II, the axial connecting hole I is connected with one end of the displacement sensor, and the axial connecting hole II is connected with the other end of the displacement sensor;
The displacement sensor can detect whether the current shock absorber is in a stretched or compressed state and transmit signals to the ECU, the ECU outputs proper current according to the information of the displacement sensor, the ECU receives the displacement signals of the displacement sensor in real time, and the proper current is connected to the two electromagnetic coils after the displacement signals are processed, so that different attractive force or repulsive force is generated between the two electromagnetic coils, and the fluctuation of a gap between the two electromagnetic coils is reduced;
The lower part of the first electromagnetic piston is provided with an annular groove of the first electromagnetic piston, the upper part of the second electromagnetic piston is provided with an annular groove of the second electromagnetic piston, the first electromagnetic coil is matched with the annular groove of the first electromagnetic piston, and the second electromagnetic coil is matched with the annular groove of the second electromagnetic piston;
the first electromagnetic piston and the second electromagnetic piston adopt hollow structures, and cables of the first electromagnetic coil, the second electromagnetic coil and the displacement sensor are led out of the electromagnetic shock absorber through the hollow structures;
by the ECU, the clearance between the two electromagnetic coils can be reduced according to the state of high-speed running of the vehicle so as to reduce the center of gravity of the vehicle and improve running stability, and the ECU is manually controlled to increase the clearance between the two electromagnetic coils during low-speed running so as to improve vehicle passability.
2. The shock damping adjustable automobile of claim 1, wherein the first height adjusting spring and the second height adjusting spring are all sleeved with rubber shields in a hollow mode, and the rubber shields are located in an inner space of the main shock spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582137.0A CN108518445B (en) | 2018-06-07 | 2018-06-07 | Electromagnetic shock absorber for vehicle and automobile with adjustable shock absorbing damping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582137.0A CN108518445B (en) | 2018-06-07 | 2018-06-07 | Electromagnetic shock absorber for vehicle and automobile with adjustable shock absorbing damping |
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| CN108518445A CN108518445A (en) | 2018-09-11 |
| CN108518445B true CN108518445B (en) | 2024-05-07 |
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| CN201810582137.0A Active CN108518445B (en) | 2018-06-07 | 2018-06-07 | Electromagnetic shock absorber for vehicle and automobile with adjustable shock absorbing damping |
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| CN110953291A (en) * | 2019-12-09 | 2020-04-03 | 中车株洲电力机车有限公司 | Active suspension control system of railway vehicle and magnetic vacuum active shock absorber thereof |
| CN111237367A (en) * | 2020-01-13 | 2020-06-05 | 佛山科学技术学院 | Electromagnetic adjustable shock absorber |
| CN113374824B (en) * | 2020-02-25 | 2023-03-28 | 沃尔沃汽车公司 | Electromagnetic suspension spring |
| CN111878539B (en) * | 2020-08-21 | 2022-09-06 | 泰州雄达精工机械制造有限公司 | Automatic shock absorption coefficient adjusting mechanism of bicycle shock absorber |
| CN114810909B (en) * | 2022-05-10 | 2023-11-21 | 集美大学 | Magnetorheological fluid damper with controllable hierarchical adjustment function |
| CN117584682A (en) * | 2024-01-15 | 2024-02-23 | 合肥精瑞汽车零部件有限公司 | Vehicle suspension assembly for automobile and buffer device thereof |
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| CN108518445A (en) | 2018-09-11 |
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