CN203702474U - Damping power generation structure for automobile - Google Patents
Damping power generation structure for automobile Download PDFInfo
- Publication number
- CN203702474U CN203702474U CN201320881004.6U CN201320881004U CN203702474U CN 203702474 U CN203702474 U CN 203702474U CN 201320881004 U CN201320881004 U CN 201320881004U CN 203702474 U CN203702474 U CN 203702474U
- Authority
- CN
- China
- Prior art keywords
- piezoelectric crystal
- generation block
- damping
- power generation
- shock
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
Abstract
Disclosed is a damping power generation structure for an automobile. A piezoelectric crystal power generation block is fixed on a frame, a piezoelectric crystal chip and an elastic metal plate are adhered to form the piezoelectric crystal power generation block, the piezoelectric crystal power generation block is mounted on the frame in an insulated manner, two ends of a shock absorption spring are mounted on an axle and the piezoelectric crystal power generation block respectively, a piston rod of a damper is mounted on the axle, the bottom of a damper cylinder is mounted on the piezoelectric crystal power generation block, an output circuit of the piezoelectric crystal power generation block is serially connected with two super-capacitors through a rectifier, and a normally open switch is parallelly connected on each super-capacitor. Mechanical energy generated by shock is converted into electric energy when damping is performed, the electric energy is stored through an energy storage device, energy is sufficiently used and saved, the structure of a cantilever beam can function in damping, the shock sensation of the automobile in running is further reduced, and riding comfort is improved.
Description
Technical field
The utility model relates to the suspension system of automobile, relates in particular to vibration damper.
Background technique
Automotive suspension is the connecting vehicle frame of automobile Elastic and the device of axletree.It is generally made up of parts such as shock-absorbing spring, guide mechanism, vibration dampers, and main task is to relax the impact of being passed to vehicle frame by uneven road surface, to improve travelling comfort by bus.
When the uneven road surface, shock-absorbing spring is for filtering the vibrations on road surface, but shock-absorbing spring self also has to-and-fro motion, and with the vibration damper that shock-absorbing spring is installed in parallel be exactly mainly concussion when suppressing to rebound after spring shock-absorbing and the impact from road surface.For decay vibrations, in automobile suspension system, adopt vibration damper to be mostly fluid power piston vibration damper to one's heart's content, its working principle is while there is relative movement when vibrations between vehicle frame (or vehicle body) and axletree, piston in vibration damper moves up and down, and the fluid in vibration damper chamber just flows in another chamber through different holes from a chamber repeatedly.
Under normal conditions, these vibration energy cannot be changed timely or be stored and be wasted.Along with popularizing that automobile uses, the energy being wasted is also more and more.
Suspension system in the market still rests on simple buffering shock sucking function, does not provide the technology that good mechanical energy is converted into other energy and deals with problems.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of damping electrification structure of automobile, this structure can be converted into the mechanical energy of thump electric energy and store, not only reach the object of damping, can put forward high-octane utilization ratio, there is energy-conservation effect simultaneously.
The utility model is achieved through the following technical solutions:
A damping electrification structure for automobile, shock-absorbing spring in parallel and vibration damper between the axletree of described automobile and vehicle frame, is characterized in that:
In the vehicle frame insulating mounting piezoelectric crystal generation block that powers on, piezoelectric crystal generation block is bonded by piezoelectric crystal tablet and elastic sheet metal, between piezoelectric crystal tablet and elastic sheet metal, conduct,
Shock-absorbing both ends of the spring is arranged on respectively axletree and piezoelectric crystal generation block,
The piston rod of vibration damper is arranged on axletree, and vibration damper cylindrical shell bottom is arranged in piezoelectric crystal generation block,
Between shock-absorbing spring and piezoelectric crystal generation block, between vibration damper and piezoelectric crystal generation block, electrical insulation is installed,
The output circuit of piezoelectric crystal generation block is by rectifier two super capacitors of connecting, a normal open switch respectively in parallel on two super capacitors.
Have a crystalloid, when to its extruding or stretch time, its two ends will produce different electric charges.This effect is called as piezoelectric effect.The crystal that can produce piezoelectric effect is just piezoelectric crystal.
This device combines vibration damper, shock-absorbing spring with piezoelectric crystal, object is that mechanical energy is converted into electric energy recycling.In thump, can produce larger impact force, the vibrations that impact force produces are absorbed the generation with mechanical energy simultaneously by vibration damper and shock-absorbing spring.Now, because vibration damper cylindrical shell bottom, shock-absorbing spring one end are connected with piezoelectric crystal generation block respectively, the vibrations of vibration damper and shock-absorbing spring will be absorbed by piezoelectric crystal generation block, will produce piezoelectric effect, with charge generation after piezoelectric crystal is squeezed.Piezoelectric crystal is connected with electric capacity, and the quantity of electric charge that piezoelectric crystal is produced stores with electric energy form, then can be used as the energy source of other devices or mechanism, realizes energy-conservation object.
In above-mentioned damping electrification structure, the effect of vibration damper itself is unaffected, has again the effect of buffering absorbing due to vibration damper, can avoid piezoelectric crystal to be destroyed owing to being subject to weight.
What the piezoelectric crystal in piezoelectric crystal generation block produced in pressurized or tension process is Ac, therefore needs, by rectifier, Ac is converted into direct current and stores.
Energy storage device is two super capacitors of altering connection, and super capacitor stores the electric energy producing that is squeezed from piezoelectric crystal with the form of chemical energy, and is applied to other devices or mechanism with the form of electric energy.
Further, piezoelectric crystal tablet can be monocrystalline piezoelectric crystal wafer, polycrystalline piezoelectric crystal tablet or semiconductor piezoelectric crystal tablet.Be preferably the piezoelectric ceramic for rectangle, a slice piezoelectric crystal tablet can be bonded as piezoelectric crystal generation block with a slice or two elastic sheet metals, and when bonding, piezoelectric crystal tablet bottom surface and/or end face and elastic sheet metal are bonding.
Further again, for reaching good piezo-electric generating effect, the Thickness Ratio of elastic sheet metal and piezoelectric crystal tablet is 1:1.
Further again, for improving the generating efficiency of piezoelectric crystal, piezoelectric crystal tablet quantity is 2～3, between adjacent two piezoelectric crystal tablets, configures a slice elastic sheet metal.
Further again, rectifier is diode rectifier, silicon controlled rectifier or inductor rectifier.
The beneficial effects of the utility model are:
1, the mechanical energy in damping, vibrations being produced is converted into electric energy, and stores electric weight by energy storage device, realizes making full use of of energy, has reached energy-conservation object;
2, piezoelectric crystal generation block can absorption portion shake, and also can reach the effect of damping, has further reduced automobile vibratory sensation under steam, has improved the comfort level of taking;
3, relatively simple for structure, be beneficial to and promote the use.
Brief description of the drawings
Fig. 1 is device scheme of installation of the present utility model
Fig. 2 is circuit connection diagram
Fig. 3, Fig. 4, Fig. 5 are three kinds of piezoelectric crystal generation block structural representations
In Fig. 1～3: 1 is axletree, 2 is vehicle frame, and 3 is shock-absorbing spring, and 4 is vibration damper, and 5 is piezoelectric crystal generation block, and 501 is piezoelectric crystal tablet, and 502 is elastic sheet metal, and 6 is rectifier, and 7 is super capacitor, and 8 is normal open switch.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, on vehicle frame 2, fix piezoelectric crystal generation block 5, piezoelectric crystal generation block 5 by piezoelectric crystal tablet 501 and elastic sheet metal 502 be bonded, and vehicle frame 2 between insulating mounting, between piezoelectric crystal tablet 501 and elastic sheet metal 502, conduct, shock-absorbing spring 3 two ends are arranged on respectively in axletree 1 and piezoelectric crystal generation block 5, the piston rod of vibration damper 4 is arranged on axletree 1, and vibration damper 4 cylinder body bottoms are arranged in piezoelectric crystal generation block 5.Between shock-absorbing spring 3 and piezoelectric crystal generation block 5, between vibration damper 4 and piezoelectric crystal generation block 5, electrical insulation is installed.
As shown in Figure 2, the output circuit of piezoelectric crystal generation block 5 is by rectifier 6 normal open switch 8 respectively in parallel on 7, two super capacitors 7 of two super capacitors of connecting.Wherein, rectifier 6 is diode rectifier.
As shown in Fig. 3, figure, the piezoelectric ceramic that piezoelectric crystal tablet 501 is rectangle, its bottom surface and/or end face and elastic sheet metal 502 are bonding.Elastic sheet metal 502 is 1:1 with the Thickness Ratio of piezoelectric crystal tablet 501.
As shown in Figure 5, described piezoelectric crystal tablet 501 quantity are 2, between adjacent two piezoelectric crystal tablets 501, configure a slice elastic sheet metal 502.
In the time that axletree 1 is subject to External Force Acting, axletree 1 will produce vibrations, vibration damper 4 absorbs the vibrations from axletree 1, shock-absorbing spring 3 compresses or stretches and makes piezoelectric crystal tablet 501 effect of being squeezed and generation piezoelectric effect, produce positive and negative charge and be gathered in respectively on positive/negative plate, now piezo crystals can be equivalent to the capacitor of an electric discharge.When accumulation is when a certain amount of, the quantity of electric charge that piezoelectric crystal produces with the form of electric current by wire by power delivery to energy storage device.
Elastic sheet metal 502 to piezoelectric crystal tablet 501 play support and electric action, therefore whole piezoelectric crystal generation block 5 must and vehicle frame 2 between insulating mounting.
In the process of carrying at electric current, first electric current by diode rectifier, then passes to super capacitor 7, and super capacitor 7 is just in charged state, and electrical power storage is in super capacitor 7.
Adopt two energy storing structures that super capacitor 7 is connected, on the one hand, when the reserve of electricity of a super capacitor 7 reaches capacity state therein, the electric energy that piezoelectric crystal produces can also store by another super capacitor 7; On the other hand, in the time that one of them super capacitor 7 damages or occurs other situations, can press corresponding normal open switch 8, short circuit super capacitor 7 is to ensure the normal operation of whole circuit.In addition,, because the voltage rating of super capacitor 7 is less, series connection can be played the effect of point voltage protection circuit.
The effect of diode rectifier, except rectification, can also prevent the current reflux electric discharge of super capacitor.
The effect of normal open switch 8 can be divided into 2 points.The one, when a super capacitor 7 damages therein, ensure the normal operation of circuit, the 2nd, in the time having super capacitor 7 reserve of electricitys to reach capacity state, can be first by these full super capacitor 7 short circuits that close, can in the situation that not affecting energy storage device work, carry out like this replacing of super capacitor 7, with ensure thermal energy storage process continue carry out, the super capacitor 7 of changing can be used as the current source of other devices.
Claims (5)
1. a damping electrification structure for automobile, shock-absorbing spring in parallel (3) and vibration damper (4) between the axletree (1) of described automobile and vehicle frame (2), is characterized in that:
In vehicle frame (2) the insulating mounting piezoelectric crystal generation block (5) that powers on, piezoelectric crystal generation block (5) is bonded by piezoelectric crystal tablet (501) and elastic sheet metal (502), between piezoelectric crystal tablet (501) and elastic sheet metal (502), conduct,
Shock-absorbing spring (3) two ends are arranged on respectively axletree (1) and piezoelectric crystal generation block (5) is upper,
It is upper that the piston rod of vibration damper (4) is arranged on axletree (1), and it is upper that vibration damper (4) cylinder body bottom is arranged on piezoelectric crystal generation block (5),
Between shock-absorbing spring (3) and piezoelectric crystal generation block (5), between vibration damper (4) and piezoelectric crystal generation block (5), electrical insulation is installed,
The output circuit of piezoelectric crystal generation block (5) is by rectifier (6) two super capacitors of series connection (7), and two super capacitors (7) are normal open switch respectively in parallel (8) above.
2. the damping electrification structure of automobile according to claim 1, is characterized in that: the piezoelectric ceramic that described piezoelectric crystal tablet (501) is rectangle, its bottom surface and/or end face and elastic sheet metal (502) are bonding.
3. the damping electrification structure of automobile according to claim 1, is characterized in that: in described piezoelectric crystal generation block (5), elastic sheet metal (502) is 1:1 with the Thickness Ratio of piezoelectric crystal tablet (501).
4. the damping electrification structure of automobile according to claim 1, is characterized in that: described piezoelectric crystal tablet (501) quantity is 2～3, configures a slice elastic sheet metal (502) between adjacent two piezoelectric crystal tablets (501).
5. the damping electrification structure of automobile according to claim 1, is characterized in that: described rectifier (6) is diode rectifier, silicon controlled rectifier or inductor rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881004.6U CN203702474U (en) | 2013-12-27 | 2013-12-27 | Damping power generation structure for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881004.6U CN203702474U (en) | 2013-12-27 | 2013-12-27 | Damping power generation structure for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702474U true CN203702474U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881004.6U Expired - Fee Related CN203702474U (en) | 2013-12-27 | 2013-12-27 | Damping power generation structure for automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN203702474U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156298A (en) * | 2015-06-19 | 2015-12-16 | 安徽瑞田机械有限公司 | Low-energy-consumption environment-friendly air compressor |
| CN106382191A (en) * | 2016-11-28 | 2017-02-08 | 上海大学 | Wind-induced vibration piezoelectric energy collecting device |
| CN106838116A (en) * | 2017-01-17 | 2017-06-13 | 江苏大学 | A kind of recyclable engine rubber suspension device of vibrational energy |
| CN107458167A (en) * | 2017-08-17 | 2017-12-12 | 西华大学 | A kind of high vibrating power-generation formula automotive suspension of generating efficiency |
| CN109367557A (en) * | 2018-10-18 | 2019-02-22 | 上海工程技术大学 | A kind of comprehensive prompt system of vehicle arrival information |
-
2013
- 2013-12-27 CN CN201320881004.6U patent/CN203702474U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156298A (en) * | 2015-06-19 | 2015-12-16 | 安徽瑞田机械有限公司 | Low-energy-consumption environment-friendly air compressor |
| CN106382191A (en) * | 2016-11-28 | 2017-02-08 | 上海大学 | Wind-induced vibration piezoelectric energy collecting device |
| CN106382191B (en) * | 2016-11-28 | 2018-10-23 | 上海大学 | A kind of wind-induced vibration piezoelectric energy collecting device |
| CN106838116A (en) * | 2017-01-17 | 2017-06-13 | 江苏大学 | A kind of recyclable engine rubber suspension device of vibrational energy |
| CN107458167A (en) * | 2017-08-17 | 2017-12-12 | 西华大学 | A kind of high vibrating power-generation formula automotive suspension of generating efficiency |
| CN107458167B (en) * | 2017-08-17 | 2023-10-20 | 深圳万知达科技有限公司 | Vibration power generation type automobile suspension with high power generation efficiency |
| CN109367557A (en) * | 2018-10-18 | 2019-02-22 | 上海工程技术大学 | A kind of comprehensive prompt system of vehicle arrival information |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20141227 |
|
| EXPY | Termination of patent right or utility model |