CN205792299U - Energy collecting system based on automobile vibration and the automobile with it - Google Patents
Energy collecting system based on automobile vibration and the automobile with it Download PDFInfo
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- CN205792299U CN205792299U CN201620436256.1U CN201620436256U CN205792299U CN 205792299 U CN205792299 U CN 205792299U CN 201620436256 U CN201620436256 U CN 201620436256U CN 205792299 U CN205792299 U CN 205792299U
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Abstract
The utility model discloses a kind of energy collecting system based on automobile vibration and have its automobile, described system includes: body；It is arranged on the energy collecting device among body, in order to collect the energy that automobile vibration produces；It is arranged on the wireless signal generator among body；It is arranged on the interface arrangement on body, in order to connect external sensor；It is arranged on the low-power consumption change-over circuit among body, the energy that energy collecting device is collected by low-power consumption change-over circuit is converted to electric energy to be supplied respectively to wireless signal generator and external sensor, and wireless signal generator is also connected with interface arrangement and radios to the information processor of automobile with the data message by external sensor collection.This system makes sensor without connecting storage battery power supply system, and wirelessly carries out data transmission, and the wire harness thoroughly having broken away from complexity is arranged, drastically increases degree of freedom and the convenience of transducer arrangements.
Description
Technical field
This utility model relates to automobile technical field, particularly to a kind of energy collecting system based on automobile vibration and have it
Automobile.
Background technology
There is the low consuming devices of a lot of sensor type in automobile, traditional processing method is to draw supply lines by accumulator
Road is powered, but this exists a lot of drawback: when sensor is numerous, on the one hand adds the complexity that wire harness is arranged,
Reduce system reliability；On the other hand a large amount of freely layout thing make sensor encounters difficulties.
Under the main trend of car networking, the GPS (Global Positioning System, global positioning system) of automobile passes
The outer temperature sensor of sensor, Che Neiche, road conditions sensor, tyre pressure sensor, theft-proof sensor, IR signal reception sensing
All kinds of detecting sensor such as device needs long-time startup, owing to sensor power consumption is extremely low, battery therefore can be used to power.
But owing to the number of sensors in automobile is numerous, on the one hand changing battery extremely complex, on the other hand presence sensor is in key
The danger that moment electricity exhausts and lost efficacy.
Therefore, how the sensor power in automobile is become current problem demanding prompt solution.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
First purpose of type is to propose a kind of energy collecting system based on automobile vibration, and automobile mechanical vibration is produced by this system
Energy be converted to electric energy and power to sensor and wireless signal generator so that sensor wirelessly carries out data biography
Defeated, the wire harness thoroughly having broken away from complexity is arranged, drastically increases degree of freedom and the convenience of transducer arrangements.
Second purpose of the present utility model is to propose a kind of automobile.
For achieving the above object, a kind of based on automobile vibration the energy collecting system that on the one hand this utility model proposes, including:
Body；Being arranged on the energy collecting device among described body, described energy collecting device is in order to collect what automobile vibration produced
Energy；It is arranged on the wireless signal generator among described body；Be arranged on the interface arrangement on described body, described in connect
Mouth device is in order to connect external sensor；It is arranged on the low-power consumption change-over circuit among described body, described low-power consumption conversion electricity
Road is connected with described energy collecting device, described interface arrangement and described wireless signal generator respectively, and described low-power consumption is changed
The energy that described energy collecting device is collected is converted to electric energy to be supplied respectively to described wireless signal generator and described by circuit
External sensor, described wireless signal generator is also connected with described interface arrangement with the data gathered by described external sensor
Information radios to the information processor of described automobile.
Energy collecting system based on automobile vibration of the present utility model, collects what automobile vibration produced by energy collecting device
Energy, and the energy collected by energy collecting device by low-power consumption change-over circuit is converted to electric energy to be supplied respectively to wireless communication
Number generator and external sensor, and, the data message of external sensor collection is radioed to by wireless signal generator
The information processor of automobile.The energy that automobile mechanical vibration produces is converted to electric energy to sensor and wireless signal by this system
Generator is powered so that sensor is without connecting storage battery power supply system, and sensor wirelessly carries out data biography
Defeated, the wire harness thoroughly having broken away from complexity is arranged, drastically increases degree of freedom and the convenience of transducer arrangements, is objectively
Vehicle intellectualized offer condition.
Specifically, described energy collecting device includes organizing cantilever beam more, and the often group cantilever beam in described many group cantilever beams includes
Under the first flexible substrates of being correspondingly arranged and the second flexible substrates, described first flexible substrates and the second flexible substrates up and down two
Side arranges the piezoelectric ceramic wafer of symmetry, and the end of described first flexible substrates and described second flexible substrates is unsettled and opposite side
Opposite polarity Magnet is set.
Further, the described head end often organizing cantilever beam is rigidly connected by the vibration source of fixture with described automobile.
Further, described many group cantilever beams are three groups, and the length often organizing cantilever beam is different.
Further, the piezoelectric ceramic wafer in described often group cantilever beam is connected with described low-power consumption change-over circuit after being connected in parallel.
Specifically, described energy collecting system based on automobile vibration, also include that being arranged on the energy among described body deposits
Storage device, described energy storing device is sent out with described low-power consumption change-over circuit, described interface arrangement and described wireless signal respectively
Raw device is connected, described energy storing device be used for storing electric energy with when described automobile remains static respectively to described wireless
Signal generator and described external sensor are powered.
Further, described energy storing device is made up of lithium battery or energy-storage capacitor.
Specifically, described internal is packaged into vacuum environment.
Specifically, described body also sets up multiple installing hole to be arranged on described automobile by described energy collecting system.
For achieving the above object, this utility model also proposed a kind of automobile, and it includes above-mentioned energy based on automobile vibration
Collection system.
Automobile of the present utility model, by above-mentioned energy collecting system, it is possible to energy conversion automobile mechanical vibration produced
Power to sensor and wireless signal generator for electric energy so that sensor is without connecting storage battery power supply system, and senses
Device wirelessly carries out data transmission, and the wire harness thoroughly having broken away from complexity is arranged, drastically increases transducer arrangements
Degree of freedom and convenience, objectively for vehicle intellectualized offer condition.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the energy collecting system based on automobile vibration according to one embodiment of this utility model；
Fig. 2 is the internal structure schematic diagram of the energy collecting system based on automobile vibration according to one embodiment of this utility model；
Fig. 3 is the structural representation of the energy collecting device according to one embodiment of this utility model；
Fig. 4 is the structured flowchart of the energy collecting system based on automobile vibration according to another embodiment of this utility model；
Fig. 5 is the external structure schematic diagram of the energy collecting system based on automobile vibration according to one embodiment of this utility model；
And
Fig. 6 is the circuit diagram of the energy collecting system based on automobile vibration according to one embodiment of this utility model.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model
System.
Describe the energy collecting system based on automobile vibration that the utility model proposes with reference to the accompanying drawings and there is its vapour
Car.
Fig. 1 is the structured flowchart of the energy collecting system based on automobile vibration according to one embodiment of this utility model.Such as Fig. 1
Shown in, should include by energy collecting system based on automobile vibration: body 1000, energy collecting device 1100, wireless signal are sent out
Raw device 1200, low-power consumption change-over circuit 1300 and interface arrangement 1400.
Wherein, energy collecting device 1100, wireless signal generator 1200 and low-power consumption change-over circuit 1300 are arranged on body
Among 1000, interface arrangement 1400 is arranged on body 1000.Energy collecting device 1100 is in order to collect automobile vibration
The energy produced.Interface arrangement 1400 is in order to connect external sensor.Low-power consumption change-over circuit 1300 respectively with collection of energy
Device 1100, interface arrangement 1400 are connected with wireless signal generator 1200, and energy is received by low-power consumption change-over circuit 1300
The energy that acquisition means 1100 is collected is converted to electric energy to be supplied respectively to wireless signal generator 1200 and external sensor 2000,
Wireless signal generator 1200 is also connected with interface arrangement 1400 with the wireless biography of data message gathered by external sensor 2000
It is defeated by the information processor of automobile.Wherein, interface arrangement 1400 can be general-purpose interface or standard interface, with facilitate with
External sensor is connected.
Specifically, in use there are the mechanical vibration that energy density is high in automobile, if can collecting mechanical vibration be
Sensor 2000 is powered, then sensor 2000 can be made in automobile life cycle without connecting storage battery power supply system.With
Time, assist integrated wireless signal generator 1200 so that the data message of collection is wirelessly sent out by sensor 2000
Deliver to the information processor of automobile, thus the wire harness thoroughly having broken away from complexity is arranged, drastically increases sensor network cloth
The degree of freedom put and convenience, objectively for vehicle intellectualized offer condition.
It should be noted that energy collecting system needs high efficiency to collect the vibrational energy of vehicle traveling process, usual collection efficiency
Can represent with the power of unit volume output under peak vibration efficiency, and the power density needed for sensor 2000 is at least
100μW/cm3, accordingly, it is capable to the power level of the energy collected by collection system should be greater than the power needed for sensor 2000,
The i.e. power density of energy collecting system output should be greater than 100 μ W/cm3, to ensure that sensor 2000 normally works.
According to an embodiment of the present utility model, as in figure 2 it is shown, energy collecting device 1100 includes organizing cantilever beam 1110 more,
Many group cantilever beams 1110 can be three groups, and the length often organizing cantilever beam 1110 is different.As it is shown on figure 3, organize cantilever beam more
Often group cantilever beam 1110 in 1110 includes the first flexible substrates 1111 and the second flexible substrates 1112 being correspondingly arranged up and down,
The both sides up and down of the first flexible substrates 1111 and the second flexible substrates 1112 arrange symmetry piezoelectric ceramic wafer 1113, first
The end of flexible substrates 1111 and the second flexible substrates 1112 is unsettled and the opposite polarity Magnet of couple positioned opposite 1114.
Further, often the head end of group cantilever beam 1110 is rigidly connected by the vibration source of fixture 1115 with automobile, is used for
Vibrational excitation is provided.
Specifically, energy collecting device 1100 uses cantilever array structure based on piezoelectric bimorph, and this structure has
There is following advantage: owing to cantilever beam is high in collecting mechanical oscillating aging rate, but there is the shortcoming that resonant frequency width is relatively low,
And use the cantilever beam of three kinds or more length, resonant frequency (operating frequency) scope of cantilever beam can be greatly improved；
There are upper and lower two chip architectures in the cantilever beam of same length, the weight block of its end is the Magnet attracted each other for a pair, this knot
Structure is possible not only to improve further the efficiency of collection of energy, moreover it is possible to make resonance frequency range corresponding under this length widen further.
Therefore, this cantilever array structure based on piezoelectric bimorph is improving vibration energy harvesting efficiency and the frequency that efficiently resonates
On rate width, there is great advantage.It addition, the cantilever array structure of Length discrepancy also helps making full use of of space, such as figure
Shown in 2, the layout of wireless signal generator 1200 and low-power consumption change-over circuit 1300 just takes full advantage of Length discrepancy cantilever beam
Space produced by array structure, can reduce the volume of whole energy collecting system.
It is possible to further piezoelectric ceramic wafer 1113 and opposite polarity Magnet 1114 are glued according to the structure shown in Fig. 3
It is connected in the first flexible substrates 1111 and the second flexible substrates 1112.Wherein, opposite polarity Magnet 1114 attracts each other,
On the one hand can reduce overall resonant frequency and to required scope and increase amplitude, on the other hand two cantilever beams can be made to shake
Move and intercouple, while increasing resonant frequency width, maintain maximum vibration amplitude.In actual applications, collection of energy system
The output peak value of system is up to 50mW, and output power density is up to 1mW/cm3, meet most low-consumption wireless signal
Power level needed for generator 120 and sensor 2000.
According to an embodiment of the present utility model, as shown in Figure 4, above-mentioned energy collecting system based on automobile vibration,
Also include the energy storing device 1500 being arranged among body, energy storing device 1500 respectively with low-power consumption change-over circuit
1300, interface arrangement 1400 is connected with wireless signal generator 1200, energy storing device 1500 be used for storing electric energy with
Power to respectively when automobile remains static wireless signal generator 1200 and external sensor 2000.Wherein, energy is deposited
Storage device 1500 can be made up of lithium battery or energy-storage capacitor (such as ultracapacitor).
Specifically, during automobile normal running, the mechanical vibration of automobile can be collected by energy collecting device 1100,
And by low-power consumption change-over circuit 1300, mechanical vibration are converted into electric energy, on the one hand provide electric energy for external sensor 2000,
On the other hand providing electric energy for wireless signal generator 1200, the data message gathered is passed through wireless by external sensor 2000
Signal generator 1200 is transferred to external information processing.The power level of the energy collected by energy collecting system is big
Power needed for sensor 2000 and wireless signal generator 1200, therefore can be stored in energy storage by unnecessary electric energy
In device 1500 (such as lithium battery or ultracapacitor etc.).When automobile remains static, energy collecting device 1100
Collect and power to wireless signal generator 1200 and external sensor 2000 less than enough mechanical vibration, now can pass through energy
Amount storage device 1500 powers to wireless signal generator 1200 and external sensor 2000.Such as, be at automobile static
During state, can give GPS sensor, Che Neiche outer temperature sensor, road conditions sensor, tire by energy collecting device 1100
The sensor confession that all kinds of needs such as pressure sensor, theft-proof sensor, IR signal reception sensor are the most in running order
Electricity, it is ensured that normal operation of sensor.
It addition, as in figure 2 it is shown, when energy storing device 1500 is arranged, also take full advantage of Length discrepancy cantilever beam
Space produced by array structure, use the volume of the energy collecting system of this arrangement can reach 60mm × 60mm ×
20mm.In actual applications, if needing energy collecting system miniaturization, this energy can be reduced the most further and receive
Collecting system.
Should be highly reliable in view of energy collecting system, make it without changing in the whole life cycle of automobile as far as possible, therefore,
The encapsulation of this energy collecting system is also required to consider emphatically.
According to an embodiment of the present utility model, in body 1000, it is packaged into vacuum environment, i.e. energy collecting system is complete
Vacuum system in closing, with during automobile life-time service, under conditions of without external force shakedown, can be to it
It is replaced, thus effectively prevent the problem that the replacing battery using battery to bring when powering is extremely complex, especially passing
In the case of sensor is more, and avoid sensor crucial moment electricity exhaust and the risk that lost efficacy, improve automobile
Safety and Consumer's Experience.Further, since energy collecting system uses Totally enclosed vacuum structure, in placement process, it is not necessary to
Consider the environment such as ambient temperature, humidity, improve its range of application.
According to an embodiment of the present utility model, as it is shown in figure 5, also set up on body 1000 multiple installing hole 1600 with
Energy collecting system is arranged on automobile.For example, it is possible to by the multiple standardized installation arranged on body 1000 surface
Energy collecting system is easily arranged in the positions such as automobile chassis, vehicle body, enging cabin by hole 1600 (such as M3 bolt hole),
Prevent from vehicle traveling process occurs the phenomenon that drops.
In an embodiment of the present utility model, after often the piezoelectric ceramic wafer 1113 in group cantilever beam 1110 is connected in parallel
It is connected with low-power consumption change-over circuit 1300.
Specifically, as shown in Figure 6, when many group cantilever beams 1110 are three groups, many group cantilever beams 1,110 1 have 6 groups of pressures
Electroceramics wafer 1113, after the parallel connection of 6 groups of piezoelectric ceramic wafers 1113, is connected to the input of low-power consumption change-over circuit 1300
End.The outfan of low-power consumption change-over circuit 1300 is connected to lithium battery and wireless signal generator 1200, external sensor 2000
Being drawn by wireless signal generator 1200, I will not elaborate for particular circuit configurations.
In sum, energy collecting system based on automobile vibration of the present utility model, collect automobile by energy collecting device
Vibrate the energy produced, and the energy collected by energy collecting device by low-power consumption change-over circuit is converted to electric energy with respectively
Supply wireless signal generator and external sensor, and, the data message that external sensor is gathered by wireless signal generator
Radio to the information processor of automobile.The energy that automobile mechanical vibration produces is converted to electric energy to sensor by this system
Power with wireless signal generator so that sensor without connecting storage battery power supply system, and passes in automobile life cycle
Sensor wirelessly carries out data transmission, and the wire harness thoroughly having broken away from complexity is arranged, drastically increases transducer arrangements
Degree of freedom and convenience, objectively for vehicle intellectualized offer condition.
Additionally, this utility model also proposed a kind of automobile, it includes above-mentioned energy collecting system based on automobile vibration.
Automobile of the present utility model, by above-mentioned energy collecting system, it is possible to energy conversion automobile mechanical vibration produced
Power to sensor and wireless signal generator for electric energy so that sensor is without connecting storage battery power supply system, and senses
Device wirelessly carries out data transmission, and the wire harness thoroughly having broken away from complexity is arranged, drastically increases transducer arrangements
Degree of freedom and convenience, objectively for vehicle intellectualized offer condition.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end "
The orientation of the instruction such as " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " or position relationship
For based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, example
Such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And,
Fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature
Or oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment of the present utility model or example.In this manual, schematic to above-mentioned term
Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature
Can be so that one or more embodiments in office or example to combine in an appropriate manner.Additionally, in the case of the most conflicting,
Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.
Claims (10)
1. an energy collecting system based on automobile vibration, it is characterised in that including:
Body；
Being arranged on the energy collecting device among described body, described energy collecting device is in order to collect the energy that automobile vibration produces
Amount；
It is arranged on the wireless signal generator among described body；
Being arranged on the interface arrangement on described body, described interface arrangement is in order to connect external sensor；
Being arranged on the low-power consumption change-over circuit among described body, described low-power consumption change-over circuit fills with described collection of energy respectively
Put, described interface arrangement is connected with described wireless signal generator, and described low-power consumption change-over circuit is by described energy collecting device
The energy collected is converted to electric energy to be supplied respectively to described wireless signal generator and described external sensor, described wireless communication
Number generator also is connected the data message that described external sensor gathers is radioed to described automobile with described interface arrangement
Information processor.
Energy collecting system based on automobile vibration the most according to claim 1, it is characterised in that described collection of energy
Device includes organizing cantilever beam more, and the often group cantilever beam in described many group cantilever beams includes the first flexible substrates being correspondingly arranged up and down
With the second flexible substrates, the both sides up and down of described first flexible substrates and the second flexible substrates arrange the piezoelectric ceramic wafer of symmetry,
The end of described first flexible substrates and described second flexible substrates is unsettled and the opposite polarity Magnet of couple positioned opposite.
Energy collecting system based on automobile vibration the most according to claim 2, it is characterised in that described often organize cantilever
The head end of beam is rigidly connected by the vibration source of fixture with described automobile.
Energy collecting system based on automobile vibration the most according to claim 2, it is characterised in that organize cantilever described more
Liang Weisan group, and the length often organizing cantilever beam is different.
Energy collecting system based on automobile vibration the most according to claim 2, it is characterised in that described often organize cantilever
Piezoelectric ceramic wafer in beam is connected with described low-power consumption change-over circuit after being connected in parallel.
6. according to the energy collecting system based on automobile vibration according to any one of claim 1-5, it is characterised in that also
Including the energy storing device being arranged among described body, described energy storing device respectively with described low-power consumption change-over circuit,
Described interface arrangement is connected with described wireless signal generator, and described energy storing device is used for storing electric energy with at described automobile
Power to respectively when remaining static described wireless signal generator and described external sensor.
Energy collecting system based on automobile vibration the most according to claim 6, it is characterised in that described energy stores
Device is made up of lithium battery or energy-storage capacitor.
Energy collecting system based on automobile vibration the most according to claim 1, it is characterised in that described internal envelope
Dress up vacuum environment.
Energy collecting system based on automobile vibration the most according to claim 1, it is characterised in that on described body also
Multiple installing hole is set to be arranged on described automobile by described energy collecting system.
10. an automobile, it is characterised in that include according to according to any one of claim 1-9 is based on automobile vibration
Energy collecting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436256.1U CN205792299U (en) | 2016-05-12 | 2016-05-12 | Energy collecting system based on automobile vibration and the automobile with it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436256.1U CN205792299U (en) | 2016-05-12 | 2016-05-12 | Energy collecting system based on automobile vibration and the automobile with it |
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| Publication Number | Publication Date |
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| CN205792299U true CN205792299U (en) | 2016-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041325A1 (en) * | 2020-08-24 | 2022-03-03 | 宁波中车时代传感技术有限公司 | Vibration energy collector-based self-powered railway wagon state monitoring system |
| WO2023077501A1 (en) * | 2021-11-08 | 2023-05-11 | 罗伯特•博世有限公司 | Electric drive axle for vehicle and monitoring system thereof, corresponding method, and computer program product |
-
2016
- 2016-05-12 CN CN201620436256.1U patent/CN205792299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041325A1 (en) * | 2020-08-24 | 2022-03-03 | 宁波中车时代传感技术有限公司 | Vibration energy collector-based self-powered railway wagon state monitoring system |
| WO2023077501A1 (en) * | 2021-11-08 | 2023-05-11 | 罗伯特•博世有限公司 | Electric drive axle for vehicle and monitoring system thereof, corresponding method, and computer program product |
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