CN115111300A - Shock absorber assembly and car - Google Patents

Shock absorber assembly and car Download PDF

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Publication number
CN115111300A
CN115111300A CN202210949908.1A CN202210949908A CN115111300A CN 115111300 A CN115111300 A CN 115111300A CN 202210949908 A CN202210949908 A CN 202210949908A CN 115111300 A CN115111300 A CN 115111300A
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CN
China
Prior art keywords
shock absorber
assembly
piston cylinder
energy storage
storage unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210949908.1A
Other languages
Chinese (zh)
Inventor
李斌
常静
朱倩君
卢佳
王拾双
孙乐元
柳兴林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FAW Jiefang Automotive Co Ltd
Original Assignee
FAW Jiefang Automotive Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FAW Jiefang Automotive Co Ltd filed Critical FAW Jiefang Automotive Co Ltd
Priority to CN202210949908.1A priority Critical patent/CN115111300A/en
Publication of CN115111300A publication Critical patent/CN115111300A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • F16F9/3235—Constructional features of cylinders
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/42—Cooling arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/186—Vibration harvesters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention belongs to the technical field of automobile suspension systems, and discloses a shock absorber assembly and an automobile, wherein the shock absorber assembly comprises a shock absorber body, a power generation unit, an energy storage unit and a cooling unit, the shock absorber body is configured to convert vibration energy into heat energy and comprises a piston cylinder and a piston assembly, a working cavity is formed in the piston cylinder in a hollow mode, and one part of the piston assembly is inserted into the working cavity and can reciprocate along the length direction of the working cavity; the power generation unit is arranged on the shock absorber body and is configured to generate electric energy when the piston assembly operates; the energy storage unit is arranged on one part of the shock absorber body and is electrically connected with the power generation unit; the cooling unit is arranged on one part of the shock absorber body, is electrically connected with the energy storage unit and is configured to cool the piston cylinder. This shock absorber assembly can be from electricity generation to the electric energy that will generate electricity and obtain supplies with self cooling unit's operation process and uses, realizes the promotion of cooling efficiency.

Description

Shock absorber assembly and car
Technical Field
The invention relates to the technical field of automobile suspension systems, in particular to a shock absorber assembly and an automobile.
Background
The shock absorber is a main damping element of an automobile suspension system, is used for inhibiting the shock generated when a spring rebounds after absorbing shock and the impact from the road surface, is widely used in automobiles, and can accelerate the attenuation of the vibration of a frame and an automobile body so as to improve the running smoothness of the automobile. When the automobile is subjected to severe vibration in running, mechanical energy generated by the vibration can convert liquid in the shock absorber into heat energy after throttling through the small holes, so that the temperature of the liquid in the shock absorber is increased, the shock absorption performance of the shock absorber is influenced, and even the shock absorber gradually loses efficacy. Therefore, the shock absorber in the running process of the automobile needs to be cooled in real time so as to ensure the working performance of the shock absorber.
The prior art provides a shock absorber cooling device, including fan housing subassembly and arc, the bottom of shock absorber is located to fan housing subassembly cover, and the inboard is provided with arc air outlet and the air intake that communicates with the arc air outlet. And high-pressure gas is introduced into the fan shell assembly, flows out from the arc-shaped air outlet and moves upwards along the bottom of the shock absorber shell to cool the shell of the shock absorber. The fan of the vibration absorber cooling device needs to be externally connected with a power supply during operation, and can consume electric energy of an automobile.
Therefore, a shock absorber assembly and a vehicle are needed to solve the above problems.
Disclosure of Invention
According to one aspect of the invention, the damper assembly is capable of generating electricity and supplying the electricity obtained from the electricity to the self-cooling unit during operation, so that the cooling efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a shock absorber assembly comprising:
the vibration absorber comprises a vibration absorber body, a vibration absorber body and a vibration absorber, wherein the vibration absorber body is configured to convert vibration energy into heat energy and comprises a piston cylinder and a piston assembly, a working cavity is formed in the piston cylinder in a hollow mode, and one part of the piston assembly is inserted into the working cavity and can reciprocate along the length direction of the working cavity;
a power generation unit disposed at the shock absorber body and configured to generate electric power when the piston assembly operates;
the energy storage unit is arranged on one part of the shock absorber body and is electrically connected with the power generation unit;
the cooling unit is arranged on one part of the shock absorber body, is electrically connected with the energy storage unit and is configured to cool the piston cylinder.
Optionally, the shock absorber body still includes the reserve tube, the reserve tube with the piston cylinder is coaxial sets gradually, the working chamber communicate in the reserve tube.
Optionally, the shock absorber body further comprises a dust cover, the dust cover is arranged on the outer side of the piston cylinder along the circumferential direction in a sleeved mode, the energy storage unit is arranged on the outer portion of the dust cover along the circumferential direction, and the end portion, away from the working cavity, of the piston assembly is connected to the inner side of the end portion of the dust cover.
Optionally, the energy storage unit includes a storage battery and a battery fixing device, the battery fixing device is disposed on the dust cover along the circumferential direction, and the storage battery is detachably connected to the battery fixing device.
Optionally, the battery fixing device includes a battery support frame and an elastic element, the battery support frame is disposed on the dust cover along the circumferential direction, the battery is detachably clamped on the battery support frame, and the elastic element is clamped between the battery and the battery support frame.
Optionally, the cooling unit is disposed outside the oil storage cylinder and includes a motor, a blower and an air compressor, the motor is electrically connected to the energy storage unit, the blower is electrically connected to the motor, the air compressor is electrically connected to the energy storage unit and configured to output high-pressure gas, and the blower can blow the high-pressure gas to the piston cylinder.
Optionally, the cooling unit further includes a diversion shell, the diversion shell is arranged around the circumference of the piston cylinder and is arranged at an interval with the piston cylinder, and the air outlet of the fan is clamped between the diversion shell and the piston cylinder.
Optionally, the power generation unit includes a first magnet, a second magnet, and piezoelectric ceramics, the first magnet is disposed on the outer wall of the piston cylinder, the second magnet is opposite to the first magnet in the same polarity, and is disposed on the inner wall of the dust cover, and the piezoelectric ceramics is disposed on a side of the first magnet departing from the second magnet, and is sandwiched between the first magnet and the outer wall of the piston cylinder.
Optionally, the shock absorber assembly further comprises a control unit integrated with the energy storage unit and electrically connected to a portion of the energy storage unit and a portion of the cooling unit.
According to another aspect of the present invention, it is an object to provide a vehicle having a suspension system with the advantage of saving electrical energy.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automobile comprising a suspension system including a shock absorber assembly according to any one of the preceding claims.
The invention has the beneficial effects that:
the shock absorber assembly provided by the invention is provided with the shock absorber body, when a vehicle is vibrated, vibration energy is converted into heat energy, the piston component and the piston cylinder move relatively, the piston component makes linear reciprocating motion in a working cavity in the piston cylinder, and hydraulic oil in the piston cylinder flows into other spaces from the working cavity under the action of pressure difference, so that the vibration energy of the vehicle body is converted into the heat energy. The power generation unit is arranged on the shock absorber body and can generate electric energy when the piston assembly operates. The energy storage unit is arranged on one part of the shock absorber body, is electrically connected with the power generation unit and can temporarily store the electric energy generated by the power generation unit. The cooling unit is arranged on one part of the shock absorber body, is electrically connected with the energy storage unit, can receive the electric energy stored in the energy storage unit, and operates under the driving of the electric energy to cool the piston cylinder. This shock absorber assembly can utilize the electricity generation unit to realize from electricity generation to the electric energy that will generate electricity and obtain supplies to self cooling unit's operation process and uses, realizes the promotion of cooling efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a shock absorber assembly provided in accordance with an embodiment of the present invention;
FIG. 2 is an axial cross-sectional view of a shock absorber assembly provided in accordance with an embodiment of the present invention;
FIG. 3 is an axial cross-sectional view of a shock absorber body provided in accordance with an embodiment of the present invention;
FIG. 4 is a partial schematic structural view of a shock absorber assembly provided in accordance with an embodiment of the present invention;
fig. 5 is an axial sectional view of a cooling unit provided in an embodiment of the present invention.
In the figure:
100. a shock absorber body; 110. a working chamber; 120. a reserve tube; 130. a dust cover; 140. a piston rod; 150. a piston; 160. a damping valve;
200. a power generation unit; 210. a first magnet; 220. a second magnet; 230. piezoelectric ceramics;
300. an energy storage unit; 310. a storage battery; 320. a battery fixing device;
400. a cooling unit; 410. a motor; 420. a fan; 430. an air compressor; 440. a flow-guiding housing;
500. a control unit.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The present embodiments provide a shock absorber assembly and an automobile including a suspension system including a shock absorber assembly. When the automobile is subjected to severe vibration during running, the vibration damper assembly can realize the vibration damping effect of the automobile.
FIG. 1 illustrates a schematic structural view of a shock absorber assembly provided by an embodiment of the present invention; FIG. 2 illustrates an axial cross-sectional view of a shock absorber assembly provided in accordance with an embodiment of the present invention; figure 3 illustrates an axial cross-sectional view of a shock absorber body provided by an embodiment of the present invention. Referring to fig. 1 to 3, the damper assembly according to the present embodiment includes a damper body 100, a power generation unit 200, an energy storage unit 300, and a cooling unit 400. The shock absorber body 100 is configured to convert vibration energy into heat energy, and comprises a piston cylinder and a piston assembly, wherein the piston cylinder is hollow to form a working cavity 110, the working cavity 110 is filled with hydraulic oil, and one part of the piston assembly is inserted into the working cavity 110 and can reciprocate along the length direction of the working cavity 110; a power generation unit 200 is disposed at the shock absorber body 100, and configured to generate electric power when the piston assembly operates; the energy storage unit 300 is disposed at a portion of the damper body 100, electrically connected to the power generation unit 200, and capable of temporarily storing electric energy generated by the power generation unit 200; the cooling unit 400 is disposed at a portion of the shock absorber body 100, electrically connected to the energy storage unit 300, and configured to efficiently cool the piston cylinder.
Specifically, referring to fig. 2 and 3, the shock absorber body 100 further includes a reserve tube 120, the reserve tube 120 being disposed coaxially in series with the piston tube, the working chamber 110 being in communication with the reserve tube 120. The reservoir tube 120 is disposed at the bottom of the piston cylinder and is in communication with the piston cylinder through an orifice.
More specifically, the shock absorber body 100 further includes a dust cover 130, the dust cover 130 is circumferentially spaced and sleeved outside the piston cylinder, the energy storage unit 300 is circumferentially disposed outside the dust cover 130, and an end of the piston assembly facing away from the working chamber 110 is connected to an inner side of an end of the dust cover 130. The piston assembly includes a piston rod 140 and a piston 150, the piston 150 is located in the working chamber 110 and is fixedly connected to the end of the piston rod 140 facing away from the connection with the dust boot 130, and the diameter of the piston 150 is larger than the diameter of the piston rod 140 and slightly smaller than the inner diameter of the working chamber 110. When the vehicle is vibrated, the piston assembly makes a linear reciprocating motion in the working chamber 110, and hydraulic oil in the working chamber 110 flows into the oil storage cylinder 120 from the working chamber 110 through the orifice under the action of pressure difference between the working chamber 110 and the oil storage cylinder 120, so that vibration energy of the vehicle body is converted into heat energy, and the vibration reduction function is realized.
More specifically, the shock absorber body 100 further includes a damper valve 160, the damper valve 160 being mounted on an orifice between the piston cylinder and the reserve cylinder 120. Through the damping valve 160, the one-way flow of the hydraulic oil can be ensured, that is, the hydraulic oil in the working chamber 110 can only flow into the oil storage cylinder 120 from the working chamber 110 under the action of the pressure difference, so that the conversion rate of the vibration energy and the heat energy of the vehicle body is ensured, and the vibration damping effect is ensured.
Fig. 4 is a partial structural view of a damper assembly according to an embodiment of the present invention, and referring to fig. 1 to 4, the energy storage unit 300 includes a battery 310 and a battery holder 320, the battery holder 320 is circumferentially disposed on the dust cover 130, and the battery 310 is detachably connected to the battery holder 320. The battery 310 can temporarily store electric energy generated by the power generation unit 200 and supply the electric energy to the cooling unit 400 for use.
Specifically, the battery fixing device 320 includes a battery support frame and an elastic element, the battery support frame is disposed on the dust cover 130 along the circumferential direction, the battery 310 is detachably clamped on the battery support frame, and the elastic element is clamped between the battery 310 and the battery support frame. This battery support frame is the cylindrical shell form, and fixed connection sets up a plurality of chucking pieces along the same distance of the circumference interval of this battery support frame in the outside of dust cover 130, forms the groove that clamps between the adjacent card commentaries on classics piece, and battery 310 can be a plurality of, and a plurality of batteries 310 are arranged along the circumference of this battery support frame, and the difference one-to-one corresponds to a plurality of grooves that clamp, and is installing steadily in clamping the groove. The elastic element may be selected from a damping spring of the prior art for reducing damage to the battery 310 from body vibrations.
In another specific example, the battery 310 in the present embodiment may be selected from a ternary lithium battery, a lithium phosphate battery or other batteries capable of storing and releasing electric energy in the prior art, and the present embodiment is not limited herein.
Fig. 5 shows an axial cross-sectional view of a cooling unit provided in an embodiment of the present invention, and referring to fig. 5, the cooling unit 400 is disposed outside the reservoir 120, and includes a motor 410, a blower 420, and an air compressor 430, the motor 410 is electrically connected to the energy storage unit 300, the blower 420 is electrically connected to the motor 410, the air compressor 430 is electrically connected to the energy storage unit 300 and configured to discharge high-pressure gas, and the blower 420 can blow the high-pressure gas to the piston cylinder to cool the piston cylinder, thereby prolonging the service life of the shock absorber body 100.
Specifically, in this embodiment, the motor 410 may be a micro dc motor in the prior art, which generally has higher efficiency than other types of motors, because the installation space outside the reserve cylinder 120 is limited, the micro dc motor can be installed to meet the requirement of the cooling unit 400, and the micro dc motor can automatically reduce the speed according to the load to achieve a very large starting torque. The motor 410 is adopted to drive the fan 420, so that the blowing efficiency of high-pressure gas is improved, and the cooling efficiency of the piston cylinder is effectively improved.
More specifically, the air compressor 430 may be a micro air compressor of the related art, which has advantages of good gas output efficiency, greatly reduced cost, and easy assembly, and is suitable for use in a case where an installation space outside the reserve cylinder 120 is limited.
Preferably, the cooling unit 400 further includes a guide shell 440, the guide shell 440 surrounds the circumference of the piston cylinder and is spaced from the piston cylinder, and the air outlet of the blower 420 is clamped between the guide shell 440 and the piston cylinder. The inner wall of the guiding shell 440 is arc-shaped, that is, the distance from the part of the inner wall of the guiding shell 440 close to the blower 420 to the outer wall of the piston cylinder is less than the distance from the part of the inner wall of the guiding shell 440 far from the blower 420 to the outer wall of the piston cylinder. Above-mentioned setting can effectively promote the wind-guiding effect, makes high-pressure gas carry out air-cooled cooling to it from bottom to top along the length direction of piston cylinder.
Referring to fig. 2 and 3, the power generation unit 200 includes a first magnet 210, a second magnet 220 and a piezoelectric ceramic 230, the first magnet 210 is disposed on an outer wall of the piston cylinder, the second magnet 220 is opposite to the first magnet 210 in the same polarity and disposed on an inner wall of the dust cover 130, and the piezoelectric ceramic 230 is disposed on a side of the first magnet 210 away from the second magnet 220 and sandwiched between the first magnet 210 and the outer wall of the piston cylinder. When the vehicle is vibrated, the piston assembly linearly reciprocates in the working chamber 110, and when the first magnet 210 and the second magnet 220 are close to each other, a significant magnetic repulsion force is generated, and under the action of the magnetic repulsion force, the first magnet 210 presses the piezoelectric ceramic 230, and electric energy is generated by using the piezoelectric effect of the piezoelectric ceramic 230. The above arrangement uses a non-contact type magnet to transfer mechanical energy, eliminating wear on the power generation unit 200.
Alternatively, in the present embodiment, the power generation unit 200 may be implemented by using a hydraulic motor in the prior art, instead of the above structure. I.e. under the effect of the relative movement of the piston assembly and the piston cylinder, and under the control of the damping valve 160, the hydraulic oil can drive in a fixed direction a hydraulic motor, which is electrically connected to the energy storage unit 300, and can deliver the generated electrical energy to the accumulator 310 for temporary storage. The use of the hydraulic motor in conjunction with the shock absorber body 100 belongs to the prior art, and the details of this embodiment are not repeated herein.
Preferably, referring to fig. 1, the shock absorber assembly further includes a control unit 500, the control unit 500 being integrated with the energy storage unit 300 and electrically connected to a portion of the energy storage unit 300 and the motor 410. The control unit 500 includes a rectifying circuit, a single chip microcomputer, and a motor controller. The control unit 500 functions to protect the battery 310 and the motor 410. The rectifier circuit can convert ac power into dc power, and protect the battery 310 and the micro dc motor. The rectifying circuit, the single chip microcomputer and the motor controller are all in the prior art, and the structure and the working principle of the rectifying circuit are not described in detail in this embodiment.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A shock absorber assembly, comprising:
the shock absorber comprises a shock absorber body (100) and a vibration absorber, wherein the shock absorber body is configured to convert vibration energy into heat energy and comprises a piston cylinder and a piston assembly, a working cavity (110) is formed in the piston cylinder in a hollow mode, and a part of the piston assembly is inserted into the working cavity (110) and can reciprocate along the length direction of the working cavity (110);
a power generation unit (200), the power generation unit (200) being provided to the shock absorber body (100) and configured to generate electric power when the piston assembly operates;
an energy storage unit (300), wherein the energy storage unit (300) is arranged on one part of the shock absorber body (100) and is electrically connected to the power generation unit (200);
a cooling unit (400), the cooling unit (400) being disposed at a portion of the shock absorber body (100), being electrically connected to the energy storage unit (300), and being configured to cool the piston cylinder.
2. The shock absorber assembly as set forth in claim 1 wherein said shock absorber body (100) further includes a reserve tube (120), said reserve tube (120) being disposed coaxially in series with said piston cylinder, said working chamber (110) communicating with said reserve tube (120).
3. The shock absorber assembly as set forth in claim 2 wherein the shock absorber body (100) further includes a dust cover (130), the dust cover (130) is circumferentially spaced outwardly of the piston cylinder, the energy storage unit (300) is circumferentially disposed outwardly of the dust cover (130), and the end of the piston assembly facing away from the working chamber (110) is connected inwardly of the end of the dust cover (130).
4. A damper assembly according to claim 3, wherein the energy storage unit (300) comprises an accumulator (310) and a battery holder (320), the battery holder (320) being circumferentially arranged to the dust cover (130), the accumulator (310) being detachably connected to the battery holder (320).
5. The damper assembly of claim 4, wherein the battery securing device (320) includes a battery support bracket and an elastic member, the battery support bracket is circumferentially disposed on the dust cover (130), the battery (310) is detachably clamped to the battery support bracket, and the elastic member is clamped between the battery (310) and the battery support bracket.
6. The shock absorber assembly according to claim 2 or 3, wherein the cooling unit (400) is disposed outside the reserve cylinder (120) and includes an electric motor (410), a blower (420), and an air compressor (430), the electric motor (410) being electrically connected to the energy storage unit (300), the blower (420) being electrically connected to the electric motor (410), the air compressor (430) being electrically connected to the energy storage unit (300) and configured to draw out high-pressure gas, the blower (420) being capable of blowing the high-pressure gas to the piston cylinder.
7. The shock absorber assembly as set forth in claim 6 wherein said cooling unit (400) further comprises a deflector shell (440), said deflector shell (440) being circumferentially disposed around said piston cylinder and spaced therefrom, said air outlet of said blower (420) being interposed between said deflector shell (440) and said piston cylinder.
8. The damper assembly according to claim 3, wherein the power generation unit (200) comprises a first magnet (210), a second magnet (220) and a piezoelectric ceramic (230), the first magnet (210) is arranged on the outer wall of the piston cylinder, the second magnet (220) is opposite to the first magnet (210) in the same polarity and is arranged on the inner wall of the dust cover (130), and the piezoelectric ceramic (230) is arranged on the side, away from the second magnet (220), of the first magnet (210) and is sandwiched between the first magnet (210) and the outer wall of the piston cylinder.
9. The shock absorber assembly as set forth in claim 1 further comprising a control unit (500), said control unit (500) being integrated with said energy storage unit (300) and being electrically connected to a portion of said energy storage unit (300) and a portion of said cooling unit (400).
10. An automotive vehicle comprising a suspension system, wherein said suspension system includes a shock absorber assembly as set forth in any one of claims 1-9.
CN202210949908.1A 2022-08-09 2022-08-09 Shock absorber assembly and car Pending CN115111300A (en)

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CN202210949908.1A CN115111300A (en) 2022-08-09 2022-08-09 Shock absorber assembly and car

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Citations (11)

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