CN214661676U - Power generation shock absorber and working machine - Google Patents
Power generation shock absorber and working machine Download PDFInfo
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- CN214661676U CN214661676U CN202120401362.7U CN202120401362U CN214661676U CN 214661676 U CN214661676 U CN 214661676U CN 202120401362 U CN202120401362 U CN 202120401362U CN 214661676 U CN214661676 U CN 214661676U
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Abstract
The utility model provides a shock absorber capable of generating electricity and operation machinery, which comprises an outer cylinder, a piston rod, a buffer component and an energy acquisition unit, wherein the energy acquisition unit comprises a first magnet, a second magnet and piezoelectric ceramics; one end of the piston rod is connected with the end wall of the outer barrel, the buffer component is sleeved on the piston rod and moves between a preset position on the piston rod and the end wall of the outer barrel; the piston cylinder is sleeved on the piston rod, and the open end of the piston cylinder is in separable contact with the buffer component; be equipped with first magnet on the outer wall of piston cylinder, be equipped with piezoceramics on the inner wall of urceolus, on piezoceramics was located to the second magnet, first magnet and second magnet are relative with the magnetic pole. The energy acquisition unit is integrated between the outer cylinder and the piston cylinder, so that the whole structure is very compact; the outer cylinder wraps the energy acquisition unit, so that the influence of the external environment on the energy acquisition unit is weakened; the non-contact type magnet is used for transferring mechanical energy, so that abrasion to the energy acquisition unit is eliminated.
Description
Technical Field
The utility model relates to a vibration energy retrieves technical field, especially relates to a shock absorber and operation machinery can generate electricity.
Background
With the development of new energy electric vehicles and unmanned automatic driving technologies, pure electric unmanned vehicles are rapidly developed in different fields, and meanwhile, higher requirements are provided for the cruising ability of batteries. The high-capacity battery is always the key research field of the electric vehicle industry, but is limited by materials and technologies, and the research of the high-performance battery has not been a major breakthrough.
The electric vehicle can produce mechanical vibration at the in-process of traveling, gathers the mechanical vibration energy of vehicle and turns into the electric energy with it, for the energy supply of low-power consumption electron part as auxiliary power source, will effectively improve vehicle continuation of the journey mileage, saves the electric power cost. How to utilize the mechanical vibration energy of the vehicle is a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shock absorber and operation machinery can generate electricity for solve among the prior art to the lower problem of the mechanical vibration energy utilization ratio of vehicle.
The utility model provides a shock absorber can generate electricity, include: the energy collection device comprises an outer barrel, a piston cylinder, a piston rod, a buffer component and an energy collection unit, wherein the energy collection unit comprises a first magnet, a second magnet and piezoelectric ceramics;
one end of the piston rod is connected with the end wall of the outer barrel, the buffer component is sleeved on the piston rod, and the buffer component moves between a preset position on the piston rod and the end wall of the outer barrel; the piston cylinder is sleeved on the piston rod, and the open end of the piston cylinder is in separable contact with the buffer component;
the outer wall of the piston cylinder is provided with the first magnet, the inner wall of the outer cylinder is provided with the piezoelectric ceramic, the second magnet is arranged on the piezoelectric ceramic, and the first magnet and the second magnet are opposite to each other in the same magnetic pole.
According to the utility model provides a pair of shock absorber can generate electricity, the energy harvesting unit still includes the coil, the coil casing is located piezoceramics and/or second magnet.
According to the utility model provides a pair of shock absorber can generate electricity, piezoceramics lays through the support on the inner wall of urceolus, the coil is located on the support.
According to the utility model provides a pair of shock absorber can generate electricity, it is a plurality of first magnet is followed the axial direction and/or the circumference direction of piston cylinder are laid.
According to the utility model provides a pair of shock absorber can generate electricity, buffering subassembly includes sleeve and elastic component, the sleeve with the elastic component is all overlapped and is located on the piston rod, just the one end of elastic component with the end wall detachable contact of urceolus, the other end of elastic component with telescopic one end detachable contact, the open end of piston cylinder with telescopic other end detachable contact.
According to the utility model provides a pair of shock absorber can generate electricity, the sleeve is in epaxial shoulder of piston rod with move between the end wall of urceolus.
According to the utility model provides a pair of shock absorber can generate electricity, the elastic component is the spring.
According to the utility model provides a pair of shock absorber can generate electricity, shock absorber can generate electricity still includes tank circuit and the output circuit of electricity connection, tank circuit with piezoceramics electricity is connected.
According to the utility model provides a pair of shock absorber can generate electricity, the one end of piston rod with the end wall threaded connection of urceolus.
The utility model also provides an operation machine, include: in the above electricity-generating vibration absorber, the piezoelectric ceramic is used to power a wireless sensor of the working machine.
The utility model provides a shock absorber and operation machinery can generate electricity, in the process that the open end of piston cylinder moves towards the end wall of urceolus, the open end of piston cylinder contacts with the buffer assembly, and the buffer assembly moves towards the end wall direction of urceolus from the preset position; in the process that the open end of the piston cylinder moves towards the direction far away from the end wall of the outer cylinder, the buffer component moves towards the preset position from the direction of the end wall of the outer cylinder until the open end of the piston cylinder is separated from the buffer component; in the relative motion process of the piston cylinder and the outer cylinder, the first magnet on the outer wall of the piston cylinder is opposite to the second magnet on the inner wall of the outer cylinder, magnetic repulsion force is generated between the first magnet and the second magnet at the moment, the second magnet extrudes the piezoelectric ceramic under the action of the magnetic repulsion force, and electric energy is generated by utilizing the piezoelectric effect of the piezoelectric material. The energy acquisition units can be flexibly distributed, and are integrated between the outer cylinder and the piston cylinder, so that the whole structure is very compact; the robustness is high, the energy acquisition unit is wrapped by the outer barrel, and the influence of the external environment on the energy acquisition unit is weakened; the non-contact type magnet is used for transferring mechanical energy, so that abrasion to the energy acquisition unit is eliminated.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a shock absorber capable of generating power according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
reference numerals:
1: an outer cylinder; 2: a spring; 3: a sleeve;
4: a piston rod; 5: a piston cylinder; 6: a first magnet;
7: a second magnet; 8: piezoelectric ceramics; 9: a coil;
10: and (4) a support.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
When the automobile runs on a road, part of energy of the automobile can be converted into heat energy to be consumed due to the vibration of the suspension and due to reasons such as excitation from the road surface and various complex road conditions, and if the part of energy can be recycled, the consumption can be reduced to a great extent, resources are saved, and the use cost is reduced.
Furthermore, with the development of integrated circuits, electronic devices are becoming more miniaturized, sensors are widely used in automobiles to monitor the usage status of the automobiles, and the required power is generally very small. Some sensors are powered by batteries, but the batteries have the defects of limited service life, need of regular replacement, environmental pollution and the like. If the vibration energy of the suspension is collected and directly used for supplying power to the automobile sensor or charging the lithium battery, the requirement for supplying power to a microelectronic product can be well met.
Currently, there are three main ways for recovering vibration energy: piezoelectric type which converts vibration energy into electric energy by utilizing piezoelectric effect of piezoelectric material; an electromagnetic system for converting vibration energy into electric energy by utilizing an electromagnetic induction phenomenon; an electrostatic type that converts vibration energy into electric energy using a capacitance principle.
The prior device for collecting the mechanical vibration energy of the vibration damper has the following defects: the structure is complex, the structure of the shock absorber is generally compact, and the mechanical vibration energy collecting device integrated in the shock absorber is large, so that the shock absorber is not favorably integrated in vehicle equipment; the robustness is poor, the working environment of the shock absorber is generally severe, and the energy acquisition unit integrated on the shock absorber does not fully consider the influence of severe working conditions on the stability of the shock absorber; the energy density is low, the utilization rate of mechanical vibration energy of the shock absorber is not high, and the output electric energy is low.
In order to solve the above problem, the following describes the electric shock absorber according to the present invention with reference to fig. 1 to 2.
As shown in fig. 1 and fig. 2, the shock absorber capable of generating power of the embodiment of the present invention includes: the device comprises an outer barrel 1, a piston cylinder 5, a piston rod 4, a buffer component and an energy acquisition unit.
In order to assemble the outer barrel 1 and the piston cylinder 5 conveniently, one end of the outer barrel 1 is arranged in an open mode, and one end of the piston cylinder 5 is arranged in an open mode.
The energy acquisition unit comprises a first magnet 6, a second magnet 7 and piezoelectric ceramics 8;
one end of the piston rod 4 is connected with the end wall of the outer cylinder 1, and in order to facilitate the detachment of the piston rod 4, one end of the piston rod 4 can be connected with the end wall of the outer cylinder 1 by threads.
The piston rod 4 is located to the buffer unit cover, and the buffer unit can move along the axial direction of piston rod 4, and buffer unit is at piston rod 4 on predetermine the position and the linear reciprocating motion between the end wall of urceolus 1.
The piston cylinder 5 is sleeved on the piston rod 4, the other end of the piston rod 4 is positioned inside the piston cylinder 5, the piston cylinder 5 is positioned inside the outer barrel 1, the open end of the piston cylinder 5 is in separable contact with the buffer assembly, and the open end of the piston cylinder 5 can move towards the end wall of the outer barrel 1.
The outer wall of the piston cylinder 5 is provided with a first magnet 6, the inner wall of the outer cylinder 1 is provided with piezoelectric ceramics 8, the second magnet 7 is arranged on the piezoelectric ceramics 8, and the first magnet 6 and the second magnet 7 have the same magnetic poles which are opposite.
The first magnet 6 can be adhered to the outer wall of the piston cylinder 5, the piezoelectric ceramic 8 has two opposite side surfaces, one side surface of the piezoelectric ceramic is adhered to the inner wall of the outer cylinder 1, and the second magnet 7 is adhered to the other side surface of the piezoelectric ceramic. The N pole of the first magnet 6 faces the N pole of the second magnet 7, or the S pole of the first magnet 6 faces the S pole of the second magnet 7.
In the embodiment of the present invention, in the process that the open end of the piston cylinder 5 moves towards the end wall of the outer cylinder 1, the open end of the piston cylinder 5 contacts with the buffer component, and the buffer component moves towards the end wall of the outer cylinder 1 from the preset position; in the process that the open end of the piston cylinder 5 moves towards the direction far away from the end wall of the outer cylinder 1, the buffer component moves towards the preset position from the direction of the end wall of the outer cylinder 1 until the open end of the piston cylinder 5 is separated from the buffer component; in the relative movement process of the piston cylinder 5 and the outer cylinder 1, the first magnet 6 on the outer wall of the piston cylinder 5 is opposite to the second magnet 7 on the inner wall of the outer cylinder 1, at the moment, magnetic repulsion force is generated between the first magnet 6 and the second magnet 7, the second magnet 7 extrudes the piezoelectric ceramic 8 under the action of the magnetic repulsion force, and electric energy is generated by utilizing the piezoelectric effect of the piezoelectric material. The energy acquisition units can be flexibly distributed, and are integrated between the outer cylinder and the piston cylinder 5, so that the whole structure is very compact; the robustness is high, the energy acquisition unit is wrapped by the outer barrel, and the influence of the external environment on the energy acquisition unit is weakened; the non-contact type magnet is used for transferring mechanical energy, so that abrasion of the energy acquisition unit is eliminated.
On the basis of the above embodiment, the energy harvesting unit further comprises a coil 9, and the coil 9 is sleeved on the piezoelectric ceramic 8 and/or the second magnet 7.
Wherein the coil 9 may be a copper coil. The coil 9 can be sleeved outside the piezoelectric ceramic 8, the coil 9 can be sleeved outside the second magnet 7, and the coil 9 can also be sleeved outside the second magnet 7 and the piezoelectric ceramic 8.
It should be noted that, in the relative movement process of the piston cylinder 5 and the outer cylinder 1, the first magnet 6 on the outer wall of the piston cylinder 5 is opposite to the second magnet 7 on the inner wall of the outer cylinder 1, at this time, a magnetic repulsion force is generated between the first magnet 6 and the second magnet 7, the second magnet 7 extrudes the piezoelectric ceramic 8 under the action of the magnetic repulsion force, and the piezoelectric effect of the piezoelectric material is utilized to generate electric energy; at the same time, there is relative movement between the first magnet 6 and the coil 9, the magnetic flux of the coil 9 is changed, the coil 9 generates an induced current, and electric energy is generated based on electromagnetic induction.
The utility model discloses shock absorber can generate electricity, energy density is high, with piezoelectric energy conversion and electromagnetic energy conversion design in an energy acquisition unit, electric energy output density is bigger in the limited stroke of piston cylinder body.
On the basis of the above-described embodiment, the piezoelectric ceramic 8 is arranged on the inner wall of the outer cylinder 1 via the support 10, and the coil 9 is located on the support 10.
It should be noted that the support 10 is fixed on the inner wall of the outer cylinder 1 by screws, one side of the support 10 contacting with the inner wall of the outer cylinder 1 is matched with the shape of the inner wall of the outer cylinder 1, one side of the support 10 far away from the inner wall of the outer cylinder 1 is provided with a mounting groove, the coil 9 is bonded on the groove wall of the mounting groove, and one side of the piezoelectric ceramic 8 is bonded on the groove bottom of the mounting groove.
On the basis of the above-described exemplary embodiment, the first magnets 6 are arranged in the axial direction and/or in the circumferential direction of the piston cylinder 5.
It should be noted that the plurality of first magnets 6 are arranged along the axial direction of the piston cylinder 5; alternatively, the plurality of first magnets 6 are arranged along the circumferential direction of the piston cylinder 5; alternatively, the plurality of first magnets 6 are arranged along the axial direction and the circumferential direction of the piston cylinder 5 at the same time, that is, distributed in an array.
It is understood that one first magnet 6 corresponds to one second magnet 7, and one second magnet 7 corresponds to one piezoelectric ceramic 8. And, one first magnet 6 corresponds to one coil 9. Therefore, the plurality of second magnets 7 are arranged in the axial direction and/or the circumferential direction of the outer cylinder 1, the plurality of piezoelectric ceramics 8 are arranged in the axial direction and/or the circumferential direction of the outer cylinder 1, and the plurality of coils 9 are arranged in the axial direction and/or the circumferential direction of the outer cylinder 1.
In the embodiment of the present invention, the number of the first magnets 6 can be selected according to the size and the output power of the power generation damper, and is not specifically limited herein. For example, four first magnets 6 are arranged in the circumferential direction of the piston cylinder 5, and seven first magnets 6 are arranged in the axial direction of the piston cylinder 5. The four first magnets arranged along the circumferential direction of the piston cylinder 5 are arranged at equal intervals, and the seven first magnets 6 are arranged along the axial direction of the piston cylinder 5 at equal intervals.
On the basis of the above embodiment, the buffer assembly comprises a sleeve 3 and an elastic piece, the sleeve 3 and the elastic piece are both sleeved on the piston rod 4, one end of the elastic piece is in separable contact with the end wall of the outer barrel 1, the other end of the elastic piece is in separable contact with one end of the sleeve 3, and the open end of the piston cylinder 5 is in separable contact with the other end of the sleeve 3.
It should be noted that the piston rod 4 has a shoulder, that is, the piston rod 4 includes two rod bodies with different diameters, the rod body connected to the end wall of the outer cylinder 1 is a rod body with a smaller diameter, and the inner diameter of the sleeve 3 is matched with the diameter of the rod body with the smaller diameter. Therefore, the sleeve 3 is arranged on a section of rod body with a smaller diameter in a sliding mode, and the elastic piece is sleeved on the section of rod body with the smaller diameter.
Wherein the elastic member may be a spring 2.
On the basis of the above embodiment, the electricity-generating shock absorber further comprises a tank circuit and an output circuit which are electrically connected, and the tank circuit is electrically connected with the piezoelectric ceramic 8.
The piezoelectric ceramic 8 and the coil 9 are both electrically connected to the tank circuit. 8 series connection of a plurality of piezoceramics, 9 series connection of a plurality of coils, the electric energy that piezoceramics 8 and coil 9 produced all collects the electric energy through energy storage circuit, and rethread output circuit is for using electrical apparatus energy supply.
The utility model discloses operation machinery, include: the above-described electrically-generating vibration damper, piezoelectric ceramic 8 and coil 9 are used to power a wireless sensor of a work machine.
The embodiment of the utility model provides an in, but the shock absorber pressure of generating electricity is used for the operation machinery to treat damping department, produces the great department of mechanical vibration energy promptly, and the electric energy that piezoceramics 8 and coil 9 produced all collects the electric energy through energy storage circuit, and rethread output circuit is the wireless sensor energy supply. The utility model discloses but the shock absorber that generates electricity that operation machinery used simple structure, energy density are high and the robustness is high, have realized the high-efficient energy harvesting of vibration energy.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A shock absorber capable of generating electricity, comprising: the energy collection device comprises an outer barrel, a piston cylinder, a piston rod, a buffer component and an energy collection unit, wherein the energy collection unit comprises a first magnet, a second magnet and piezoelectric ceramics;
one end of the piston rod is connected with the end wall of the outer barrel, the buffer component is sleeved on the piston rod, and the buffer component moves between a preset position on the piston rod and the end wall of the outer barrel; the piston cylinder is sleeved on the piston rod, and the open end of the piston cylinder is in separable contact with the buffer component;
the outer wall of the piston cylinder is provided with the first magnet, the inner wall of the outer cylinder is provided with the piezoelectric ceramic, the second magnet is arranged on the piezoelectric ceramic, and the first magnet and the second magnet are opposite to each other in the same magnetic pole.
2. The electrically operable shock absorber according to claim 1, wherein said energy harvesting unit further comprises a coil, said coil being sleeved on said piezoceramic and/or said second magnet.
3. The electrically operable shock absorber according to claim 2, wherein said piezoelectric ceramic is disposed on an inner wall of said outer tube by a support on which said coil is located.
4. The electrically operable shock absorber according to claim 1, wherein a plurality of said first magnets are arranged in an axial direction and/or a circumferential direction of said piston cylinder.
5. The electricity generating shock absorber according to any one of claims 1 to 4, wherein the damping assembly comprises a sleeve and an elastic member, the sleeve and the elastic member are sleeved on the piston rod, one end of the elastic member is detachably contacted with the end wall of the outer cylinder, the other end of the elastic member is detachably contacted with one end of the sleeve, and the open end of the piston cylinder is detachably contacted with the other end of the sleeve.
6. The electrically operable shock absorber according to claim 5, wherein said sleeve moves between a shoulder on said piston rod and an end wall of said outer barrel.
7. The electrically operable shock absorber according to claim 5, wherein said elastic member is a spring.
8. The electrically operable shock absorber according to any of claims 1-4, further comprising a tank circuit and an output circuit electrically connected, said tank circuit being electrically connected to said piezoelectric ceramic.
9. The electrically operable shock absorber according to any of claims 1 to 4, wherein one end of said piston rod is threadedly connected to an end wall of said outer cylinder.
10. A work machine, comprising: the electrically operable shock absorber of any of claims 1-9, said piezoelectric ceramic for powering a wireless sensor of said work machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120401362.7U CN214661676U (en) | 2021-02-23 | 2021-02-23 | Power generation shock absorber and working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120401362.7U CN214661676U (en) | 2021-02-23 | 2021-02-23 | Power generation shock absorber and working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214661676U true CN214661676U (en) | 2021-11-09 |
Family
ID=78448554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120401362.7U Active CN214661676U (en) | 2021-02-23 | 2021-02-23 | Power generation shock absorber and working machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214661676U (en) |
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2021
- 2021-02-23 CN CN202120401362.7U patent/CN214661676U/en active Active
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