CN202586805U - Device utilizing jolt mechanical energy for power generation - Google Patents
Device utilizing jolt mechanical energy for power generation Download PDFInfo
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- CN202586805U CN202586805U CN 201220239931 CN201220239931U CN202586805U CN 202586805 U CN202586805 U CN 202586805U CN 201220239931 CN201220239931 CN 201220239931 CN 201220239931 U CN201220239931 U CN 201220239931U CN 202586805 U CN202586805 U CN 202586805U
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- mechanical energy
- jolt
- piezoelectric ceramic
- suspension system
- power generation
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Abstract
The utility model relates to a device utilizing jolt mechanical energy for power generation. The device utilizing the jolt mechanical energy for the power generation includes an automobile suspension system and a plurality of piezoelectric ceramics. The automobile suspension system includes an elastic element used for keeping tires in complete contact with the ground and buffering automobile jolt caused by the uneven ground; a damper used for prohibiting shake in bounce after the shock absorption of the elastic element and impact from the road surface; and a force transmission rod used for realizing the transmission of forces. The piezoelectric ceramics are sleeved on the damper of the automobile suspension system and are connected to an electricity getting device through wires. The device utilizing the jolt mechanical energy for the power generation is simple in structure, generates no heat and has no electromagnetic interference. The initiation voltage is high. The energy generated by the device utilizing the jolt mechanical energy for the power generation is clean and renewable. The device utilizing the jolt mechanical energy for the power generation has great meaning in the environment protection and in the development and utilization of new energy sources.
Description
Technical field
The utility model relates to a kind of TRT, relates in particular to the jolt device of mechanical energy generating of utilization that a kind of invalid kinetic energy with automobile suspension arrangement is converted into electric energy.
Background technology
Along with the development of World Economics, the consumption of the energy also increases greatly.For now, with the oil be the main energy because supply and demand are seriously unbalance, big bulge in price influences and involves economic development all over the world, brings the situation of very big risk to development of world economy.The Along with people's growth in the living standard, automobile pollution is increasing, and energy source of car consumption shared ratio in total energy consumes is increasingly high, and the vehicle energy saving problem also more and more receives publicity.At present; The less electric automobile of the relative orthodox car of environmental impact has been begun in life, to come into operation, but since current techniques under battery cell's weight storage energy very little, battery is more expensive; Do not form economic scale again; So purchasing price is more expensive, and is also uneven as for use cost, this depends primarily on the life-span and local oil, the electricity price lattice of battery.
Be energy savings; Optimize simultaneously and utilize automobile resources; A lot of scholars are devoted to study the vehicle energy saving method, and fruitful, and for example vehicle exhaust generating, automobile waste heat reclaim or the like; Be with the automobile conversion of heat into kinetic energy mostly, the device that the invalid mechanical energy in the running car is converted into effective energy is seldom arranged.
Mechanical energy is ubiquity in surroundings, compares with other energy to be convenient to utilize.Energy converting between mechanical has 3 kinds of typical methods: electromagnetic induction method, static (electric capacity) conversion and piezoelectricity conversion.Under the prior art condition, the technological comparative maturity of electromagnetic induction method, energy conversion efficiency is higher relatively.Because it is the relative motion generation electric energy through magnet and coil, so mechanism is complicated, volume is bigger.The static conversion can directly produce 2V to a few volt voltages, can combine with MEMS easily.But the static conversion needs an independent voltage source initialization transfer process.The piezoelectricity conversion does not then need like this, and it is higher that voltage takes place, and need not transformer.Piezoelectric produces electric charge under external force; When the quantity of electric charge that is generated is big; Can be used to construct miniature power generating device or directly for electronic device provides energy supply, that the advantage of piezoelectric energy gathering-device is is simple in structure, do not generate heat, do not have electromagnetic interference, be easy to the miniaturization, integrated etc. on processing and fabricating and the implementation structure.Utilize piezoelectric ceramic piece effectively automobile to be produced useless mechanical energy in the process of moving and be converted into electric energy.
The utility model content
The utility model can't be converted into problems such as effective energy to the useless mechanical energy of automobile of the prior art; Provide a kind of through utilizing piezoelectric ceramic piece to be shaken the function that produces electric charge; Mechanical energy in the automobile suspension arrangement vibrations process is converted into electric energy, have simple in structure, do not generate heat, device that no electromagnetic interference, utilization that characteristics such as voltage height take place are jolted the mechanical energy generating.
In order to solve the problems of the technologies described above, the utility model is able to solve through following technical proposals:
The jolt device of mechanical energy generating of a kind of utilization comprises: automobile suspension system and some piezoelectric ceramic pieces;
Described automobile suspension system comprises flexible member, is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Vibration absorber, the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and from the impact on road surface; And transmission rod, be used to the transmission of the power of accomplishing;
Described piezoelectric ceramic piece is sleeved on the vibration absorber of said automobile suspension system and is connected by electrical wiring to electricity getting device.
Automobile suspension system is the general name of the vehicle frame and all the power transmission jockeys between vehicle bridge or the wheel of automobile; Its effect is power and the moment of transfer function between wheel and vehicle frame; Buffering is passed to the impact of vehicle frame or vehicle body by the road surface; And the vibration that decays and cause thus, can go to guarantee automobile smooth-goingly.Suspension is an important component part in the automotive system, affects performances such as ride of vehicle and control stability, is one of critical component of Modern Car.Suspension comprises three parts such as flexible member, vibration isolator and load transfer device, and this part plays buffering, vibration damping and power transfer function respectively.
Piezoelectric ceramic polarizes and obtains after handling applying the direct current highfield on the ferroelectric ceramic, is a kind of special ceramic materials that electric energy and mechanical energy are changed each other.When this pottery receives mechanical stress, can cause polarization phenomena, and polarization value is directly proportional with stress; On the contrary, when this pottery receives electric field action, also can produce the deformation that is directly proportional with electric field strength.These two kinds of effects are referred to as piezoelectric effect.Piezoelectric ceramic produces electric charge under external force, when the quantity of electric charge that is generated is big, can be used to construct miniature power generating device or directly for electronic device energy supply is provided.
Ring-type or piezoelectric ceramic piece cylindraceous are attached on the vibration absorber of automobile suspension system, and during running car, flexible member shakes, and vibration absorber shakes thereupon, and piezoelectric ceramic piece receives the mechanical stress of this vibrations, produces electric charge, realizes generating.
As preferably, described several piezoelectric ceramic pieces parallel connections or be connected in series; Described piezoelectric ceramic piece is ring-type or cylindric thin slice; Described electricity getting device can be charging capacitor, battery or power consumption equipment.
Because piezoelectric ceramic piece has hard and crisp characteristics; The monomer wafer is thinner; The cutting area is generally all smaller, and the characteristics of piezoelectric ceramic piece generating are high voltage low currents, under the limited situation of monomer piezoelectric ceramic piece area; Can be with a plurality of piezoelectric ceramic piece parallel connections or series connection, to improve the generating capacity of piezoelectric ceramic piece.
The jolt alternative automobile generating device of device of mechanical energy generating of said utilization is originated as vehicle electric power.
The utility model is shaken the function that produces electric charge through utilizing piezoelectric ceramic piece; Mechanical energy in the automobile suspension arrangement vibrations process is converted into electric energy; This apparatus structure simply, do not generate heat, no electromagnetic interference, take place voltage high, produce can source clean renewable, the protection of environment and the development and utilization of new forms of energy are significant.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the utility model embodiment normality sketch map;
Fig. 3 is the utility model embodiment view of jolting;
Fig. 4 is a piezoelectric ceramic piece parallel-connection structure sketch map;
Fig. 5 is a piezoelectric ceramic piece cascaded structure sketch map;
Wherein: 1-vibration absorber, 2-flexible member, 3-transmission rod, 4-tire axle, 5-piezoelectric ceramic piece, 6-electricity getting device.
Embodiment
Below in conjunction with Fig. 1, Fig. 2, Fig. 3, the utility model is described in further detail with embodiment:
In order to solve the problems of the technologies described above, the utility model is able to solve through following technical proposals:
The jolt device of mechanical energy generating of a kind of utilization comprises: automobile suspension system and some piezoelectric ceramic pieces;
Described automobile suspension system comprises flexible member 2, is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Vibration absorber 1, the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and from the impact on road surface; And transmission rod 3, be used to the transmission of the power of accomplishing;
Described piezoelectric ceramic piece 5 is sleeved on the vibration absorber 1 of said automobile suspension system and is connected by electrical wiring to electricity getting device 6.
Automobile suspension system is the general name of the vehicle frame and all the power transmission jockeys between vehicle bridge or the wheel of automobile; Its effect is power and the moment of transfer function between wheel and vehicle frame; Buffering is passed to the impact of vehicle frame or vehicle body by the road surface; And the vibration that decays and cause thus, can go to guarantee automobile smooth-goingly.Suspension is an important component part in the automotive system, affects performances such as ride of vehicle and control stability, is one of critical component of Modern Car.Suspension comprises three parts such as flexible member, vibration isolator and load transfer device, and this part plays buffering, vibration damping and power transfer function respectively.
Piezoelectric ceramic polarizes and obtains after handling applying the direct current highfield on the ferroelectric ceramic, is a kind of special ceramic materials that electric energy and mechanical energy are changed each other.When this pottery receives mechanical stress, can cause polarization phenomena, and polarization value is directly proportional with stress; On the contrary, when this pottery receives electric field action, also can produce the deformation that is directly proportional with electric field strength.These two kinds of effects are referred to as piezoelectric effect.Piezoelectric ceramic produces electric charge under external force, when the quantity of electric charge that is generated is big, can be used to construct miniature power generating device or directly for electronic device energy supply is provided.
As shown in Figure 3, ring-type or piezoelectric ceramic piece cylindraceous 5 are attached on the vibration absorber 1 of automobile suspension system, during running car because road surface is uneven and jolts; Flexible member 2 shakes; Elongate or shorten, vibration absorber 1 shakes thereupon, and piezoelectric ceramic piece 5 receives the mechanical stress of this vibrations; Produce electric charge, realize generating.
Embodiment 1
The jolt device of mechanical energy generating of a kind of utilization comprises: automobile suspension system and some piezoelectric ceramic pieces;
Described automobile suspension system comprises flexible member 2, is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Vibration absorber 1, the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and from the impact on road surface; And transmission rod 3, be used to the transmission of the power of accomplishing;
Described piezoelectric ceramic piece 5 for several ringlike or cylindric thin slice piezoelectric ceramic piece, is sleeved on the vibration absorber 1 of said automobile suspension system, is connected in parallel through electric wire each other, and is connected by electrical wiring to electricity getting device 6.Described electricity getting device 6 is a power consumption equipment.
Because vibration absorber 1 is a cylindrical-shaped structure, so adopt ring-type or cylindric thin slice piezoelectric ceramic piece in the present embodiment.Because piezoelectric ceramic piece has hard and crisp characteristics; The monomer wafer is thinner; The cutting area is generally all smaller, and the characteristics of piezoelectric ceramic piece generating are high voltage low currents, under the limited situation of monomer piezoelectric ceramic piece area; Present embodiment as shown in Figure 4 is with n piezoelectric ceramic piece parallel connection, to improve the generating capacity of piezoelectric ceramic piece.Piezoelectric ceramic piece 5 in the present embodiment after the parallel connection is connected by electrical wiring to power consumption equipment.During n piezoelectric ceramic piece parallel connection, its output capacitance C
P' be the C of monolithic piezoelectric ceramic chip capacitor
PN doubly, but output voltage U equals monolithic voltage, quantity of electric charge Q ' be n times of Q of the monolithic quantity of electric charge on the pole plate, that is:
Q’=nQ U’=U ?C
P’=nC
P
Can know by above-mentioned analysis, parallel connection method, output charge is big, and time constant is big, should be used to measure tempolabile signal, and is applicable to the occasion of electric charge as output variable.
Embodiment 2
The jolt device of mechanical energy generating of a kind of utilization comprises: automobile suspension system and some piezoelectric ceramic pieces;
Described automobile suspension system comprises flexible member 2, is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Vibration absorber 1, the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and from the impact on road surface; And transmission rod 3, be used to the transmission of the power of accomplishing;
Described piezoelectric ceramic piece 5 for several ringlike or cylindric thin slice piezoelectric ceramic piece, is sleeved on the vibration absorber 1 of said automobile suspension system, is connected in series through electric wire each other, and is connected by electrical wiring to electricity getting device 6.Described electricity getting device 6 is a charging capacitor.
Because vibration absorber 1 is a cylindrical-shaped structure, so adopt ring-type or cylindric thin slice piezoelectric ceramic piece in the present embodiment.Because piezoelectric ceramic piece has hard and crisp characteristics; The monomer wafer is thinner; The cutting area is generally all smaller, and the characteristics of piezoelectric ceramic piece generating are high voltage low currents, under the limited situation of monomer piezoelectric ceramic piece area; Present embodiment as shown in Figure 5 is connected n piezoelectric ceramic piece, to improve the generating capacity of piezoelectric ceramic piece.Piezoelectric ceramic piece 5 in the present embodiment after the parallel connection is connected by electrical wiring to power consumption equipment.During the series connection of n piezoelectric ceramic piece, the total electrical charge Q ' of output equals the monolithic charge Q, and voltage U ' be n times of monolithic voltage U, total capacitance C
P' be the monolithic capacitor C
P1/n, that is:
Q’=Q U’=nU ?C
P’=1/nC
P
Can know by above-mentioned analysis, tandem-type connection, output voltage is big, and self capacity is little, is applicable to voltage as output signal, and the very high occasion of measuring circuit input impedance.The mode of connect in parallel more is applicable to the instructions for use of wireless launcher.
The utility model is shaken the function that produces electric charge through utilizing piezoelectric ceramic piece; Mechanical energy in the automobile suspension arrangement vibrations process is converted into electric energy; The utility model is arranged among four shock mitigation systems of automobile suspension arrangement, and alternative automobile generating device is originated as vehicle electric power.This apparatus structure simply, do not generate heat, no electromagnetic interference, take place voltage high, produce can source clean renewable, the protection of environment and the development and utilization of new forms of energy are significant.
In a word, the above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (4)
1. the utilization device of mechanical energy generating that jolts comprises: automobile suspension system and some piezoelectric ceramic pieces (5);
Described automobile suspension system comprises flexible member (2), is used to keep tire to contact with ground fully, and the vehicle that the buffering uneven ground causes jolts; Vibration absorber (1), the concussion when being used to suppress bounce-back after the shock-absorbing of elasticity original paper and from the impact on road surface; And transmission rod (3), be used to the transmission of the power of accomplishing;
It is characterized in that: described piezoelectric ceramic piece (5), electricity getting device (6) is gone up and be connected by electrical wiring to the vibration absorber (1) that is sleeved on said automobile suspension system.
2. the jolt device of mechanical energy generating of utilization according to claim 1 is characterized in that: described several piezoelectric ceramic pieces (5) parallel connection or be connected in series.
3. the jolt device of mechanical energy generating of any described utilization according to claim 1 to 2, it is characterized in that: described piezoelectric ceramic piece (5) is ring-type or cylindric thin slice.
4. the jolt device of mechanical energy generating of utilization according to claim 1, it is characterized in that: described electricity getting device (6) can be charging capacitor, battery or power consumption equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220239931 CN202586805U (en) | 2012-05-25 | 2012-05-25 | Device utilizing jolt mechanical energy for power generation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220239931 CN202586805U (en) | 2012-05-25 | 2012-05-25 | Device utilizing jolt mechanical energy for power generation |
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| CN202586805U true CN202586805U (en) | 2012-12-05 |
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| CN 201220239931 Expired - Fee Related CN202586805U (en) | 2012-05-25 | 2012-05-25 | Device utilizing jolt mechanical energy for power generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452180A (en) * | 2016-11-25 | 2017-02-22 | 吉林大学 | Piezoelectric and electromagnetic composite energy-capturing device based on automotive suspension |
-
2012
- 2012-05-25 CN CN 201220239931 patent/CN202586805U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452180A (en) * | 2016-11-25 | 2017-02-22 | 吉林大学 | Piezoelectric and electromagnetic composite energy-capturing device based on automotive suspension |
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| 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: 20121205 Termination date: 20150525 |
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| EXPY | Termination of patent right or utility model |