CN105774620A - Power generation type bus handle - Google Patents
Power generation type bus handle Download PDFInfo
- Publication number
- CN105774620A CN105774620A CN201610259486.XA CN201610259486A CN105774620A CN 105774620 A CN105774620 A CN 105774620A CN 201610259486 A CN201610259486 A CN 201610259486A CN 105774620 A CN105774620 A CN 105774620A
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- rechargeable battery
- led
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- type bus
- bus handle
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- 238000010248 power generation Methods 0.000 title abstract 4
- 238000005286 illumination Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 7
- 230000003203 everyday effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/02—Arrangements or adaptations of other passenger fittings, not otherwise provided for of hand grips or straps
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- 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
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- 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
- H02N2/181—Circuits; Control arrangements or methods
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The invention relates to a power generation type bus handle, comprising a fixed part and a pull ring part, wherein a rechargeable battery (3) is arranged at the upper part of the fixed part, a piezoelectric device and a light-emitting diode (LED) lamp are arranged at the lower part of the pull ring part, and the fixed part and the pull ring part are organically connected into a whole; the piezoelectric device is used for converting the mechanical energy of the body of a passenger into electric energy so as to enable the LED lamp to be on, and enabling the produced extra electric energy to be stored into the rechargeable battery (3) in time. According to the power generation type bus handle, a connecting way between a rope belt and a cylinder is replaced by another connecting way between two cylinders, so that the bus handle is beneficial to improving the body balance of the passenger who takes a bus, and the comfort of the passenger who takes the bus is enhanced; the piezoelectric power generation device is used for converting the mechanical energy of the passenger caused by inertia into the electric energy, so that the bus handle is energy-saving and convenient; an LED lighting circuit is used for converting the electric energy into light energy, so that the passenger can conveniently, rapidly and accurately locate the position of a pull ring, greater convenience is brought to the passenger, and the safety of the passenger who takes the bus is also improved; the whole handle is small in structure and high in practicality.
Description
Technical field
The present invention relates to field of power, more particularly, it relates to the appropriate design of bus handle, based on comfort level, convenience, safety and ideas of energy-saving that passenger takes bus, the product of final design can reach to take into account the effect of above each theory.
Background technology
Along with fast development and the raising of people's living standard of society, public transport becomes the important development field of current era, is also one of the important way of people's choice for traveling.Current each metropolitan public transport facility is more sound, but the seat in public transport is difficult to meet increasing trip and takes pubic transport the crowd of subway, and when passenger is more, major part passenger can only hold the handle on car to maintain the balance of health.There is the problem holding shakiness in existing handle, passenger is difficult to keep one's balance by holding handle, and general vehicle traveling in evening forbids turning on light, front windshield of turning on light in car can reflect light and affect driver and drive sight line, easily cause vehicle accident, when not having lamp in car, promptly and accurately position draw ring after passenger loading and hold relatively difficult.It is satisfied that these problems all allow passenger be difficult to.
At present for the design aspect of bus handle, be really not as satisfactory, find after inspection information, current bus handle arrange mainly have following several:
1. traditional suspender belt draw ring handle is set, generally it is made up of three parts, upper collar, rope band and bottom draw ring, upper collar is fixed on bus cross bar, upper collar and bottom draw ring are coupled together by rope band, passenger holds bottom draw ring, when bus brake or starting, due to the flexibility of rope band, even if causing that passenger holds pull bar and can not keep one's balance well, always can lean forward or swing back；When taking bus at night, due to insufficient light in car simultaneously, passenger is difficult to promptly and accurately position draw ring and hold suspender belt draw ring handle, has a strong impact on the satisfaction that bus is taken by passenger.
2. it is not provided with handle, being not provided with handle in the bus of urban, the cross bar that passenger can pass through to hold on bus keeps one's balance, owing to passenger's height is uneven, the cross bar impact of sustained height cannot meet all passengers, has a strong impact on the ride quality of passenger；When taking pubic transport evening simultaneously, passenger is difficult to promptly and accurately retention bar hold this problem of cross bar and yet suffer from.
Chinese patent literature CN203032446U discloses one can power generating type suspension ring used for buses.These suspension ring include handle and rope band, piezoelectric type power generating device is placed between inner core and the urceolus of rope band lower end, by the simple harmonic oscillation of spring by human body because the mechanical energy that inertia produces passes to piezoelectric ceramics and is converted into electric energy, the electric energy of generation is then utilized to light advertisement position LED.Connecting suspension ring first with rope band, passenger's body not easily keeps good balance when vehicle start or brake, and secondly, the simple harmonic oscillation transmission energy efficiency utilizing spring is relatively low.
Chinese patent literature CN203876622U discloses a kind of generating bus handle.This handle includes being connected to by connector holding handle on cross bar, piezoelectric is loaded in original bus handle, when holding handle by passenger, crimp makes piezoceramics layer produce electricity, convert the unstable non-sinusoidal alternating current that piezoceramics layer produces to galvanic current stream, external storage battery is collected electricity.This bus handle achieves generating simply by piezoelectric principle and is collected by electricity, does not relate to how the electricity that Appropriate application is collected, and whole conceptual design is sufficiently complete.
Summary of the invention
The technical problem to be solved is: provide a kind of power generating type bus handle, it addition, another purpose is to provide concrete scheme when working for this device.
This invention address that its technical problem adopts following technical scheme:
Power generating type bus handle provided by the invention, it is by the top standing part equipped with rechargeable battery, and bottom forms equipped with the tab part of piezo-electric device and LED, and two parts are organic to be connected as a single entity.Piezo-electric device is to be electric energy by the changes mechanical energy of passenger's body, makes LED bright, and is stored in time in rechargeable battery by the unnecessary electric energy produced.
Described upper fixing portion, is mainly made up of rechargeable battery and fixing sleeve, the end hollow cylinder being connected as a single entity, wherein: fixing upper cartridge is enclosed within the cross bar of bus, and fixes with bolt；Rechargeable battery is contained in the cavity of fixing sleeve, and blend compounds water is so as to fix.
Described bottom tab part, is mainly made up of front end hollow cylinder, LED, piezo-electric device and draw ring；Described front end hollow cylinder, its inner chamber holds the end hollow cylinder of upper fixing portion, is fixed together by the bottom of nut Yu end hollow cylinder bottom it；Described draw ring, is made up of the hollow plastic pulling ring of exterior clear and inner rubber draw ring, and the two is connected by hot weld mode；LED is fixed on the side of the hollow plastic pulling ring of exterior clear by bonding mode.
Described piezo-electric device, is made up of LED illumination circuit, power conversion circuits and the overlaminate electroceramics being connected as a single entity, sheet metal matrix, laminated electroceramics, wherein: sheet metal matrix lies against between the hollow plastic pulling ring of exterior clear and inner rubber draw ring；Power conversion circuits and LED illumination circuit, be connected with rechargeable battery by wire.
Described power conversion circuits, the unstable non-sinusoidal alternating current produced by upper and lower lamination electroceramics by bridge rectifier is converted to galvanic current stream, and is stored in rechargeable battery.
Described power conversion circuits, two input is connected with two ports of bridge rectifier, and two other port of bridge rectifier and Capacitance parallel connection are at the two ends of rechargeable battery.
Described LED illumination circuit, it utilizes the electric energy that rechargeable battery stores, it is achieved electric energy and light transformation of energy.
The present invention installs a photoconductive resistance additional in LED illumination circuit, when in car light luminance lower than certain value after, photoconductive resistance action makes LED illumination circuit power to LED.
Described LED illumination circuit, is provided with audion, is connected to two pull-up resistors between this audion B, C pole, and audion C pole connects LED；One termination audion C pole of photoconductive resistance, the negative pole of another termination rechargeable battery of photoconductive resistance.
Described standing part and bottom tab part, it adopts the connected mode between cylinder and cylinder to be connected as a single entity.
The present invention compared with prior art has following main beneficial effect:
1. instead of the connected mode between rope band and cylinder by the connected mode between cylinder and cylinder, be conducive to improving passenger's balance when taking bus, enhance the comfort level that passenger takes bus；
2. energy-conservation: piezoelectric type power generating device to be placed in inside handle, effectively by passenger's body owing to the changes mechanical energy that inertia produces is electric energy, and the electric energy of generation is stored in battery in time, has practiced energy-saving and emission-reduction theory；
3. utilizing LED illumination circuit to convert electrical energy into luminous energy, facilitate passenger quick and precisely to position draw ring position, it is more convenient to bring to passenger, also improves the safety that passenger takes bus simultaneously；
4. parts are reasonably placed on handle, save big quantity space, be simultaneously fabricated into low, easy to use.
5. whole apparatus structure is small and exquisite, and principle is simple, has stronger operability, practical, can effectively solve some problems that tradition bus handle exists.
Accompanying drawing explanation
Fig. 1 is the overall profile of the present invention.
Fig. 2 is upper end hollow cylinder and lower front part hollow cylinder connected mode profile.
Fig. 3 is current processing circuits figure.
Fig. 4 is illuminated circuit diagram.
In figure: 1. cross bar；2. fixing sleeve；3. rechargeable battery；4. bolt；5.LED lighting circuit；6. cavity；7. the second LED；8. inner rubber draw ring；9. overlaminate electroceramics；10. sheet metal matrix；11. laminated electroceramics；12. power conversion circuits；13. the hollow plastic pulling ring of exterior clear；14. end hollow cylinder；15. nut；16. the first LED；17. front end hollow cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, principles of the invention and feature being described, example is served only for explaining the present invention, is not intended to limit the scope of the present invention.
Power generating type bus handle provided by the invention, as it is shown in figure 1, be made up of upper fixing portion and bottom tab part.
Described upper fixing portion, is mainly made up of fixing sleeve 2, cavity 6 and rechargeable battery 3.Fixing sleeve 2, cavity 6, end hollow cylinder 14 are an entirety.Top is integrally attached on the cross bar 1 of bus by bolt 4 by standing part, and cavity 6 is used for placing rechargeable battery 3, for preventing rechargeable battery 3 from moving position, is bonded on the face of cavity 6 bottom of rechargeable battery 3 with glue.
nullDescribed bottom tab part，Main by front end hollow cylinder 17、The hollow plastic pulling ring 13 of exterior clear、Inner rubber draw ring 8、Overlaminate electroceramics 9、Sheet metal matrix 10、Laminated electroceramics 11、Power conversion circuits 12、LED illumination circuit 5 and the second LED 7、First LED 16 forms，Wherein: the hollow plastic pulling ring of exterior clear 13 can be connected by heat weldable mode with inner rubber draw ring 8，Overlaminate electroceramics 9、Laminated electroceramics 11 and sheet metal matrix 10 lie against between the hollow plastic pulling ring 13 of exterior clear and inner rubber draw ring 8，For preventing from rocking，Second LED 7、First LED 16 can be fixed on the side of the hollow plastic pulling ring 13 of exterior clear by bonding mode，Power conversion circuits 12 is directly connected with the rechargeable battery 3 in cavity 6 with LED illumination circuit 5.
As in figure 2 it is shown, described upper fixing portion and bottom tab part, it is linked together by nut 15 with front end hollow cylinder 17 by end hollow cylinder 14.
As it is shown on figure 3, the unstable non-sinusoidal alternating current that power conversion circuits 12 realizes producing piezoceramics layer is converted to galvanic current stream, and it is stored in rechargeable battery 3.Wherein, being connected with bridge rectifier by the two of power conversion circuits 12 inputs, bridge rectifier is in parallel with electric capacity C1, and the two ends of electric capacity C1 are connected with rechargeable battery 3.
Described power conversion circuits 12 (PZT), rectifier bridge ZL, electric capacity C1, LED illumination circuit 5 and the overlaminate electroceramics 9 being connected as a single entity, sheet metal matrix 10, laminated electroceramics 11 form piezoelectric type power generating device, wherein: two ports of PZT and rectifier bridge ZL are connected, two other port of rectifier bridge ZL and electric capacity C1 are connected in parallel on rechargeable battery E two ends.The connection of whole circuit realizes generation and the conversion process of electric energy.
Described LED illumination circuit 5, its structure is as shown in Figure 4.LED illumination circuit 5 makes full use of the electric energy that rechargeable battery 3 stores, it is achieved electric energy and light transformation of energy.Due to bright and clear in daytime car, LED illumination circuit 5 is not required to work, installs a photoconductive resistance in LED illumination circuit 5 additional, when in car light luminance lower than certain value after, photoconductive resistance action makes LED illumination circuit 5 normal operation, produces a desired effect and saves energy.Wherein, second LED the 7, first LED 16 is connected with the mains and is followed by audion C pole, connect pull-up resistor R1, R2 between audion B, C pole, then photoconductive resistance one is terminated audion C pole, the negative pole of another termination rechargeable battery 3.
Power generating type bus handle provided by the invention, adopts following methods assembling:
The fixing sleeve 2 of upper fixing portion is connected with cross bar 1 by bolt 4, then by Fig. 2 mode, upper fixing portion is connected with bottom tab part, cavity 6 is used for placing rechargeable battery 3, for preventing rechargeable battery 3 from moving position, is bonded on the face of cavity 6 bottom of rechargeable battery 3 with glue；The hollow plastic pulling ring 13 of exterior clear can be connected by hot weld mode with inner rubber draw ring 8, overlaminate electroceramics 9, laminated electroceramics 11 and sheet metal matrix 10 lie against between the hollow plastic pulling ring 13 of exterior clear and inner rubber draw ring 8, for preventing from rocking, second LED the 7, first LED 16 can be fixed on the side of the hollow plastic pulling ring 13 of exterior clear by bonding mode, and power conversion circuits 12 is directly connected with the rechargeable battery 3 in cavity 6 with LED illumination circuit 5；Two inputs of power conversion circuits 12 are connected with bridge rectifier, bridge rectifier is in parallel with electric capacity C1, the two ends of electric capacity C1 are connected with rechargeable battery 3, two ports of piezo-electric device PZT and bridge rectifier electric bridge ZL are connected, and two other port of rectifier bridge ZL and electric capacity C1 are connected in parallel on rechargeable battery E two ends.Whole connection can realize all targets of design.
For bus handle power conversion circuits provided by the invention and lighting circuit design rationality, it is possible to be verified by Theoretical Calculation.
Consult related data to know, diameter is the piezoelectric ceramics generating output about 2～3w of 2mm, consider that bus handle is not have passenger to hold in the moment, and different passenger holds the dynamics of handle and mode is different, therefore a rational generating efficiency coefficient can be set, according to the observation of practical situation and estimation, generating efficiency coefficient may be configured as 0.5, bus service time every day section is generally 6:00-22:00,16 totally hours, then each handle can generate electricity every day:
W=(2～3) × 16 × 0.5=16～24 (w h),
In formula: W is the amount that each handle can generate electricity every day；H is hour.
The efficiency of power conversion circuits about 80%, then the effective electric energy after power conversion circuits is changed is:
W1=(16～24) × 0.8=12.8～19.2 (w h)
In formula: W1For effective electric energy；H is hour.
The power of LED arranged on handle is 1w, and under normal circumstances, in every day compartment, the time period of insufficient light is 18:00-22:00,4 totally hours, known by circuit theory, lighting circuit electric energy effective rate of utilization provided by the invention about 70%, then the electric energy of lighting circuit every day consumption is:
W2=(1 × 2 × 4)/0.7=11.43 (w h)
In formula: W2For the electric energy that every day, lighting circuit consumed；H is hour.
It is computed knowing, W1>W2, namely generated energy is more than power consumption, meets designing requirement.
Hair electric-type bus handle provided by the invention, its work process is as follows:
The hair electric-type bus handle that apparatus of the present invention provide is installed on bus cross bar 1, for passenger.When bus starting or brake, passenger can lean back because of inertia or lean forward, and the horizontal force that now balanced human is produced by handle by the power in human body horizontal direction because of inertia, human body just can keep the balance of health well；nullSimultaneously，Human body is transferred on the piezo-electric device of handle because of the power of vertical direction produced by inertia or gravity，The overlaminate electroceramics 9 sticked on metallic matrix 10 is caused to deform upon，In upper strata pottery 9 just、Distance between negative bound charge diminishes，Polarization intensity also diminishes，Originally be adsorbed on overlaminate electroceramics 9 surface free charge some be released and occur putting charge phenomenon，The alternating current produced is converted to galvanic current through power conversion circuits 12 and is stored in rechargeable battery 3，If insufficient light in car，Photoconductive resistance RL in lighting circuit 5 plays a role，It is placed on the second LED 7 in the cavity of transparent plastic draw ring 13、First LED 16 is lighted，Passenger is by position fixing knob timely and accurately in the compartment of insufficient light，In addition，Owing to LED lamplight is milder，Avoid and affect driver's sight line because of bright light.
Hair electric-type bus handle provided by the invention, has raising passenger's ride quality, generating, LED illumination three zones, it is adaptable to all kinds of bus in city, can install as required, and its using method is as follows:
1. the design is arranged on hands on bus cross bar；
2. connect internal circuit diagram, including electric current conversion, electricity collecting circuit and lighting circuit；
3. passenger uses the design hands, it is possible to produce a desired effect.
Claims (10)
1. a power generating type bus handle, it is characterised in that by the top standing part equipped with rechargeable battery (3), and bottom forms equipped with the tab part of piezo-electric device and LED, two parts are organic to be connected as a single entity；Piezo-electric device is to be electric energy by the changes mechanical energy of passenger's body, makes LED bright, and is stored in time in rechargeable battery (3) by the unnecessary electric energy produced.
2. power generating type bus handle according to claim 1, it is characterized in that described upper fixing portion, mainly it is made up of rechargeable battery (3) and fixing sleeve (2), the end hollow cylinder (14) being connected as a single entity, wherein: fixing sleeve (2) top is enclosed within the cross bar (1) of bus, and fixes with bolt；Rechargeable battery (3) is contained in the cavity (6) of fixing sleeve (2), and blend compounds water is so as to fix.
3. power generating type bus handle according to claim 1, it is characterised in that described bottom tab part, is mainly made up of front end hollow cylinder (17), LED, piezo-electric device and draw ring；Described front end hollow cylinder (17), its inner chamber holds the end hollow cylinder (14) of upper fixing portion, is fixed together by the bottom of nut (15) Yu end hollow cylinder (14) bottom it；Described draw ring, is made up of the hollow plastic pulling ring of exterior clear (13) and inner rubber draw ring (8), and the two is connected by hot weld mode；LED is fixed on the side of the hollow plastic pulling ring of exterior clear (13) by bonding mode.
4. power generating type bus handle according to claim 3, it is characterized in that described piezo-electric device, main it is made up of LED illumination circuit (5), power conversion circuits (12) and the overlaminate electroceramics (9) being connected as a single entity, sheet metal matrix (10), laminated electroceramics (11), wherein: sheet metal matrix (10) lies against between the hollow plastic pulling ring of exterior clear (13) and inner rubber draw ring (8)；Power conversion circuits (12) and LED illumination circuit (5), be connected with rechargeable battery (3) by wire.
5. power generating type bus handle according to claim 4, it is characterized in that described power conversion circuits (12), the unstable non-sinusoidal alternating current produced by upper and lower lamination electroceramics by bridge rectifier is converted to galvanic current stream, and is stored in rechargeable battery (3).
6. power generating type bus handle according to claim 5, it is characterized in that described power conversion circuits (12), two input is connected with two ports of bridge rectifier, two other port of bridge rectifier and the Capacitance parallel connection two ends in rechargeable battery (3).
7. power generating type bus handle according to claim 4, it is characterised in that described LED illumination circuit (5), it utilizes the electric energy that rechargeable battery (3) stores, it is achieved electric energy and light transformation of energy.
8. power generating type bus handle according to claim 7, it is characterized in that installing additional a photoconductive resistance in LED illumination circuit (5), when in car light luminance lower than certain value after, photoconductive resistance action makes LED illumination circuit (5) power to LED.
9. power generating type bus handle according to claim 8, it is characterised in that described LED illumination circuit (5), is provided with audion, is connected to two pull-up resistors between this audion B, C pole, and audion C pole connects LED；One termination audion C pole of photoconductive resistance, the negative pole of another termination rechargeable battery (3) of photoconductive resistance.
10. power generating type bus handle according to claim 1, it is characterised in that described two parts adopt the connected mode between cylinder and cylinder to be connected as a single entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259486.XA CN105774620B (en) | 2016-04-25 | 2016-04-25 | Power generating type bus handle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259486.XA CN105774620B (en) | 2016-04-25 | 2016-04-25 | Power generating type bus handle |
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| CN105774620A true CN105774620A (en) | 2016-07-20 |
| CN105774620B CN105774620B (en) | 2018-01-23 |
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| CN201610259486.XA Active CN105774620B (en) | 2016-04-25 | 2016-04-25 | Power generating type bus handle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515532A (en) * | 2016-12-06 | 2017-03-22 | 林飞飞 | Energy-saving and lighting handrail used for bus |
| CN106655887A (en) * | 2016-12-26 | 2017-05-10 | 广州大学 | Rubber bearing structure based on piezoelectric effect and power generating system thereof |
| CN106740351A (en) * | 2017-02-04 | 2017-05-31 | 姚会 | A kind of extension type bus pull ring |
| CN108263263A (en) * | 2018-01-15 | 2018-07-10 | 青海千寻信息科技有限公司 | A kind of bus ring pulls power collector |
| CN109039154A (en) * | 2018-08-08 | 2018-12-18 | 中南林业科技大学 | A kind of piezoelectric type pull ring |
| CN112026612A (en) * | 2020-07-20 | 2020-12-04 | 姜友菊 | Dielectric elastomer-based armrest with self-generating function and inertia force absorption function |
| CN112332698A (en) * | 2020-10-21 | 2021-02-05 | 长春工业大学 | Piezoelectric energy harvester for bus hanging ring |
| CN113489371A (en) * | 2021-06-29 | 2021-10-08 | 中车青岛四方车辆研究所有限公司 | Energy feedback type rubber node, design method and device and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112026612A (en) * | 2020-07-20 | 2020-12-04 | 姜友菊 | Dielectric elastomer-based armrest with self-generating function and inertia force absorption function |
| CN112332698A (en) * | 2020-10-21 | 2021-02-05 | 长春工业大学 | Piezoelectric energy harvester for bus hanging ring |
| CN113489371A (en) * | 2021-06-29 | 2021-10-08 | 中车青岛四方车辆研究所有限公司 | Energy feedback type rubber node, design method and device and electronic equipment |
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