CN106585536A - Vehicle information monitoring self power supply system - Google Patents
Vehicle information monitoring self power supply system Download PDFInfo
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- CN106585536A CN106585536A CN201710010799.6A CN201710010799A CN106585536A CN 106585536 A CN106585536 A CN 106585536A CN 201710010799 A CN201710010799 A CN 201710010799A CN 106585536 A CN106585536 A CN 106585536A
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- information
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000011897 real-time detection Methods 0.000 claims abstract description 9
- 239000000696 magnetic material Substances 0.000 claims description 63
- 230000035699 permeability Effects 0.000 claims description 56
- 230000005611 electricity Effects 0.000 claims description 55
- 238000004146 energy storage Methods 0.000 claims description 27
- 238000004804 winding Methods 0.000 claims description 25
- 230000009471 action Effects 0.000 claims description 22
- 239000012634 fragment Substances 0.000 claims description 21
- 230000000087 stabilizing effect Effects 0.000 claims description 20
- 239000005060 rubber Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 13
- 230000004907 flux Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 7
- 230000006870 function Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 claims description 4
- 239000007767 bonding agent Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 230000005612 types of electricity Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000036772 blood pressure Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229940056582 human hair preparation Drugs 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0307—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using generators driven by a machine different from the vehicle motor
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- 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
- F03G1/00—Spring motors
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
- H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides a vehicle information monitoring self power supply system and belongs to the technical field of self power supply applied to motor vehicles. A method includes the energy acquisition step, the electric energy management step and the load power supply step. In the energy acquisition step, various modes of energy besides heat energy, solar energy, vibration energy, tire deformation and the like on a vehicle is acquired and converted into electric energy, the electric energy is continuously supplied to vehicle information monitoring loads, and therefore self power supply of a vehicle information monitoring system is achieved. Different types of energy acquisition devices are adopted according to the different energy modes supplied by the environments where the different loads are located. In the electric energy management step, the electric energy acquired by the energy acquisition devices is managed according to the output characteristics of the energy acquisition devices and the power use characteristics of the loads, so that the optimal electric energy use efficiency is obtained. The vehicle information monitoring self power supply system can be applied to real-time detection of the vehicle speed and the loads, automatic adjustment of the safe air pressure range of tire pressure monitoring equipment and auxiliary safe driving for tire puncturing prevention and tire puncturing accident prevention.
Description
Technical field
The present invention relates to a kind of information of vehicles monitors self-contained electric system, belong to the confession power technology neck for being applied to motor vehicles
Domain.
Background technology
The senser element for being used for information monitoring on motor vehicles is more and more, and the normal work of these sensors is greatly protected
Safety during driving is hindered, and many front dresses, rear dress sensor is inconvenient due to bracing wire power taking, or even present position cannot be direct
Bracing wire power taking, is substantially and is powered using battery.And these are all highly difficult using battery powered device replacing battery, extremely not
Convenient, what is had even cannot change battery, and sensor fails what is more can only renewed with broken battery；Bigger problem be
The unexpected power-off of battery causes sensor to be likely to cause when not working suddenly cannot to monitor unsafe condition in time and there is generation
The risk of accident.
The introducing first of information of vehicles monitoring self-power supply device causes the use of user more to facilitate, it is not necessary to extra dimension
Shield, second increased the job stability of senser element, it is to avoid failure occurs the risk of accident, while battery is instead of, it is right
Also there is very positive meaning with sustainable development in environmental conservation.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of information of vehicles and monitor self-contained electric system.To solve machine
The powerup issue of the information of vehicles monitoring load of the upper power taking inconvenience of motor-car, is also capable of achieving many battery powered information of vehicles prisons
Survey the realized function not of load.
A kind of information of vehicles monitors self-contained electric system, containing following steps；
Step 1, energy acquisition step, include but is not limited to heat energy, solar energy, vibrational energy, squeegee action in collection vehicle
Etc. various forms of energy, electric energy is converted into, endlessly electric energy is provided for information of vehicles monitoring load, so as to realize vehicle
The self-powered of information monitoring system.
The difference of the form of energy that the environment according to residing for different loads can be provided is adopted using different types of energy
Acquisition means include：
Vibrational energy harvester, may be mounted at the positions such as enging cabin, suspension, boot, tire；
Heat energy harvester, may be mounted at the positions such as wheel hub, brake, electromotor, exhaustor；
Solar collecting device, may be mounted at the positions such as roof, front-rear windshield glass；
Deformation energy harvester, may be mounted at the positions such as tire.
Step 2, electric energy management step, according to electricity energy harvester output characteristics and load with electrical characteristics to energy
The electric energy that harvester is collected is managed.Step 3, power to the load step.
The generated output of vibrational energy harvester changes with the severe degree that installation position vibrates, for vibration is compared
The strong more sufficient position of generated energy can be used to monitor load supplying to high power consumption information of vehicles, so as to the reality for car networking
Now it is possibly realized, can intermittently to high power consumption or routinely to low for the not overabundant position of slightly weak generated energy is vibrated
Power consumption information of vehicles monitors load supplying, can realize according to electric energy management step for different load needs for electricity；
Vibrational energy harvester at least includes two parts, and two parts are respectively coil winding part and magnetic field offer portion
Point, wherein at least some be mobilizable.Magnetic field provides part includes that the first magnetic field provides part and the second magnetic field and provides
Part, the magnetic line of force direction provided with the second magnetic field offer part by the first magnetic field offer part are spatially contrary.Coil around
Group part includes conductive coil and the 3rd permeability magnetic material, wherein the 3rd permeability magnetic material is soft magnetic materials, the 3rd permeability magnetic material is passed through
Conductive coil, while can provide in the first magnetic field move between part and the second magnetic field offer part, so that by leading
There is upset in the magnetic line of force direction of electric coil, so as to obtain very big magnetic flux change gradient, improve generating efficiency.Vibrational energy
Interacted by elastomeric element between the movable part and the standing part of device of amount harvester, elastomeric element can be bullet
The various forms of parts that elastic force can be provided such as spring, shell fragment, multistage spring, turriform spring, rubber shell fragment, rubber spring washer.To shake
A part for energy harvester is arranged on the vibration such as enging cabin, suspension, boot or tire than stronger position, profit
Drive two parts of vibrational energy harvester that relative displacement occurs with the vibration at these positions, so that the magnetic of coil windings
Flux changes and produces electric energy.
Heat energy harvester mainly consists of thermoelectric material, is installed in the position with the obvious temperature difference, such as
On wheel hub, the high temperature caused due to braking and the temperature difference of air themperature are it is obvious that thermoelectric material produces electric energy using this temperature difference.
Solar collecting device is arranged on the position that car appearance etc. can by sunlight, and is sent out using solar panel
Electricity.Deformation energy harvester mainly gathers tire and is expert at the energy being constantly deformed in the middle of process, can have various structures
Form.The principle of piezoelectricity or friction is such as adopted, functional material tire inner wall is pasted onto into, so as to the traveling with tire is constantly sent out
The shape that changes and produce electric energy.The present invention provides a kind of deformation energy collection improved in the version of vibrational energy harvester
Device, the deformation energy harvester at least include two parts, and magnetic field provides part and coil winding part, and a portion is
Mobilizable, a part keeps geo-stationary, whole deformation energy harvester to be arranged on the tyre surface inwall of tire with tire.
Under the influence of vehicle weight, there is a planar section in the position that tire is contacted with ground, remaining non-flat portion is in wheel tire pressure
It is held round in the presence of power, when tire rotates traveling on the ground, deformation energy in the most of the time that tire rotates a circle
Harvester is rotated in non-planar positions with tire, and deformation energy harvester is rotated to the planar section contacted with ground with tire
When, in deformation energy harvester, therefore the part of activity can produce suddenly a displacement moved to tire centerline, work as deformation
When energy harvester is rotated in non-flat portion with tire, due to the effect of centrifugal force, movable part in deformation energy harvester
Therefore move to the direction away from tire centerline, then movable part will with the rotation of tire continually with another portion
The raw relative motion of distribution so that the magnetic flux of coil windings changes so as to squeegee action can be converted into electric energy.Wherein magnetic
Field provides part includes permanent magnet and the first permeability magnetic material, and the first permeability magnetic material is overlapped with the face of magnetizing of permanent magnet, and first leads
Magnetic material is cooperated in structure with permanent magnet so that do not need extra bonding agent just allow the first permeability magnetic material and forever
The face of magnetizing of magnet is completely superposed not eccentric, and the first permeability magnetic material is identical with the sectional area of permanent magnet, and advantage of this is that makes
The magnetic line of force of permanent magnet is obtained along the bigger directional spreding of the magnetic flux gradient of coil windings.Magnetic field offer part may also include
Two permeability magnetic materials, the second permeability magnetic material are overlapped with another face of magnetizing of permanent magnet, the section of the second permeability magnetic material and permanent magnet
Product is identical, and the second permeability magnetic material is cooperated in structure with permanent magnet so that do not need extra bonding agent just allow
The face of magnetizing of the first permeability magnetic material and permanent magnet is completely superposed not eccentric.The movable part of deformation energy harvester is fixed with device
Interacted by elastomeric element between part, elastomeric element is various forms of springs, shell fragment, or multistage different strength
The degree spring of coefficient, the combination of shell fragment, can also be magnetic spring, rubber shell fragment, rubber spring washer, and these elastomeric elements
Combination.
Vibrational energy harvester is arranged on tire tread inwall and can also realize adopting for squeegee action energy as can be seen here
Collection, need to only allow tire by the side of the event trace in the deformation direction and vibrational energy harvester movable part of circular complanation
To being consistent.
The electric energy that electricity energy harvester is produced can not typically be directly connected to load and use, and need electric energy is managed to subtract
Few electric quantity loss.Electric energy management step, including rectification module, pressure limiting module, energy-storage module, Voltage stabilizing module, voltage monitoring module,
Trigger switch module；Different modules is combined and can produce specific effect, according to the output characteristics of electricity energy harvester
And information of vehicles monitoring load selects specific block combiner to obtain optimal electricity service efficiency with electrical characteristics.
Rectification module does rectification process to the alternating current that electricity energy harvester is collected, if electricity energy harvester has multiple
Outfan, situation that can be according to output voltage with demand voltage optionally carry out in parallel or series rectification module to reach most
Good effect.To reduce energy loss, rectification module preferentially adopts full-bridge rectification.For electricity energy harvester be output as it is galvanic
Rectification module is not needed then.
Pressure limiting module is used for protecting back end device, when the voltage that electricity energy harvester is produced is higher, for protecting energy storage
Module and Voltage stabilizing module.If the ceiling voltage that electricity energy harvester is produced is less than the pressure voltage of energy-storage module and Voltage stabilizing module
When, then can not need pressure limiting module.Pressure limiting module can be using the devices such as Zener diode composition.Energy-storage module is used for interim or long
Phase storage energy, can select electric capacity or rechargeable battery according to real needs, such as adopt rechargeable battery, then also need matching to close
Suitable low-power consumption management of charging and discharging circuit stores electric energy to reduce energy loss, farthest.Voltage stabilizing module (boosting voltage stabilizing or
Lowering and stabilizing blood pressure) for according to load characteristic by Voltage Cortrol to suitable usable levels.
Voltage monitoring module is used for monitoring the voltage of energy-storage module, i.e., the electricity stored by energy-storage module, so can be according to
Cause energy-storage module just to start to power to the load in specific voltage range according to the characteristic of load, otherwise continue storing electricity not
Electric discharge.So can farthest reduce kwh loss, prevent from beginning to when voltage does not also reach loaded work piece voltage to
Load supplying and form the meaningless loss of electricity.What voltage monitoring module was optimum can select with lag function, so can be with
There is a buffer stage in energy-storage module rear end during load supplying, and be unlikely to break-make repeatedly.Voltage monitoring module can
To adopt the chip with reset function, reset level is provided when voltage reaches a certain given threshold.
The voltage of the energy-storage module that trigger switch module is arrived according to voltage monitoring module monitors selects on or off, works as storage
When energy module voltage is enough, i.e., when the electricity of energy-storage module storage is sufficient, trigger switch module is in the conduction state, and load is in
Power-up state, normal work；When energy-storage module voltage is relatively low, load now go up it is electric also cannot normal work, electricity will be by nothing
Meaning loss, so trigger switch is closed, load is not worked, reduces the loss of electricity with this in off-position.Touch
Send out switch to realize using analog switch or metal-oxide-semiconductor.
A kind of information of vehicles monitors self-contained electric system, including electricity energy harvester, and electricity energy harvester includes a kind of vibration
Electricity energy harvester and/or a kind of deformation energy harvester.
A kind of vibrational energy harvester, containing vibrational energy harvester, vibrational energy harvester includes two parts,
A part is coil winding part, and a part provides part for magnetic field, a part of in two parts to fix with electricity energy harvester, one
Part is movable in electricity energy harvester, and coil winding part includes conductive coil and the 3rd permeability magnetic material, the 3rd permeability magnetic material
For soft magnetic materials, pass through from conductive coil；Magnetic field provides part includes that the first magnetic field provides part and the second magnetic field offer portion
Point, the first magnetic field provides part includes the first permanent magnet, the second permanent magnet and the first permeability magnetic material；Second magnetic field provides part and wraps
Include three permanent magnet, the 4th permanent magnet and the second permeability magnetic material；First permeability magnetic material connects the first permanent magnet, the second permanent magnet,
The opposite polarity of wherein the first permanent magnet and the second permanent magnet and the first permeability magnetic material contact surface, the second permeability magnetic material connection the 3rd
Permanent magnet, the 4th permanent magnet, wherein the polarity and the second permanent magnet and first of three permanent magnet and the second permeability magnetic material contact surface
The polarity of permeability magnetic material contact surface is identical, the polarity and the first permanent magnet and of the 4th permanent magnet and the second permeability magnetic material contact surface
The polarity of one permeability magnetic material contact surface is identical.
The magnetic line of force direction provided with the second magnetic field offer part by first magnetic field offer part is spatially contrary.
Interacted by elastomeric element between coil winding part and vibrational energy harvester, elastomeric element is various
The spring of form, shell fragment, or the spring of multistage different stiffness factors, shell fragment, can also be rubber shell fragment or rubber bullet
Pad, or the matched combined of these elastomeric elements, the part and magnetic field offer part generation of elastomeric element drive activity are relative
Motion, so as to the magnetic flux for causing coil windings changes so as to vibrational energy is converted into electric energy.
A kind of deformation energy harvester, containing squeegee action energy harvester, squeegee action energy harvester includes one
Movable part and a standing part, a portion is coil windings, and a part provides part for magnetic field, and movable part can be
Activity in squeegee action energy harvester, standing part keep geo-stationary, squeegee action energy with squeegee action energy harvester
Harvester is arranged on tire tread inwall.
Coil windings are standing part, and magnetic field provides part includes that the 5th permanent magnet and the 4th permeability magnetic material and the 5th are led
Magnetic material, the top of the 5th permanent magnet connect the 4th permeability magnetic material, and the lower section of the 5th permanent magnet connects the 5th permeability magnetic material, coil
Winding is looped around around the 5th permanent magnet and the 4th permeability magnetic material and the 5th permeability magnetic material, and elastomeric element is in the 5th magnetic conduction material
The lower section of material.
Elastomeric element is various forms of springs, shell fragment, or is the permanent magnet relative with the 5th permanent magnet polarity, or
For the spring of multistage different stiffness factors, shell fragment, or it is rubber spring washer, rubber shell fragment, or taking for these elastomeric elements
With combination.
Movable part is advanced with tire rotation on the ground, and relative displacement constantly occurs with standing part, coil around
Magnetic flux in group accordingly changes, so as to squeegee action can be converted into electric energy.
The present invention provides one kind and information of vehicles monitoring self-contained electric system is applied to self-powered real-time detection vehicle car
In speed and the method for load-carrying, wherein information of vehicles monitoring self-contained electric system energy acquisition step, electricity energy harvester used is change
Shape energy harvester, on tire tread inwall, electric energy management step using rectification module, pressure limiting module, energy-storage module,
Voltage stabilizing module, voltage monitoring module, trigger switch module.The described deformation energy collection dress installed in tire tread inwall
The plane length of tire rotational speed and tire and ground contact portion is included in the output waveform put for information about, such that it is able to tie
The speed that tire size calculates whole vehicle is closed, combination temperature can be counted with the tyre temperature and air pressure measured by baroceptor
Calculate tire institute loaded, so as to detect the load-carrying of whole vehicle.
The present invention provides a kind of substitute that information of vehicles monitoring self-contained electric system is applied to tire pressure monitoring equipment
The method of pressure scope adjust automatically.Real-time vehicle can be provided according to the method for described real-time monitoring vehicle speed and load-carrying
Weight information.Tire pressure can change with the change of vehicle load, same atmospheric pressure value in zero load be it is safe,
It is possibly unsafe in full load, therefore be a need for according to the safe air pressure range of vehicle load situation dynamic adjustment tire
's.What the vehicle load situation provided according to the method for real-time detection vehicle speed and load-carrying and depot and tire plant were advised
The safe air pressure range of tire pressure secure data dynamic adjustment tire pressure monitoring equipment.
The present invention provides one kind and information of vehicles monitoring self-contained electric system is applied to pre- runflat and pre- runflat
Energy acquisition used in the auxiliary security drive manner of accident, wherein information of vehicles monitoring self-contained electric system energy acquisition step
Device be deformation energy harvester, on tire tread inwall, electric energy management step using rectification module, pressure limiting module,
Energy-storage module, Voltage stabilizing module, voltage monitoring module, trigger switch module.Squeegee action energy harvester used is high in vehicle
During speed traveling, generated energy is very big, and high-frequency sampling uninterrupted in real time can be carried out to tire pressure with reference to baroceptor,
So can effectively blow out occur before send early warning signal in advance, car running computer i.e. active when early warning signal is received
Control motor vehicle braking system is braked, while control the steering angle of deflecting roller, effectively aid in the pre- runflat of driver or
The generation of the pre- preventing tyre from breaking of person.If moment of blowing out occurs with having no omen, the high-frequency real-time sampling of baroceptor can
Drastically change and send signal of tyre burst with promptly monitor air pressure, car running computer is actively controlled when signal of tyre burst is received
Motor vehicle braking system processed is braked, while controlling the steering angle of deflecting roller, effectively aids in driver to tackle generation of blowing out
Safe driving afterwards, so as to play a part of pre- preventing tyre from breaking.And the tire pressure monitoring system that conventional batteries are powered is due to battery
Capacity limit cannot accomplish high-frequency real-time sampling communication, so as to realize carry out quickly in real time online with car running computer
Auxiliary security drives function.
It is an advantage of the invention that the generating efficiency of the electricity energy harvester for being provided is high, abundant electricity can be provided and supply car
The load of information monitoring is used, and electric energy management step is according to the output characteristics and information of vehicles monitoring load of electricity energy harvester
Electric energy is managed with electrical characteristics, reduce electricity loss, improve electric energy service efficiency.And electricity energy harvester has
The characteristic of active sensing, can obtain useful information by the output waveform of analysing energy harvester, coordinate traditional car
The load of information monitoring can complete the realized function not of many battery powered information of vehicles monitoring loads.
Description of the drawings
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can more fully understand the present invention with
And the adjoint advantage of many of which is easily learnt, but accompanying drawing described herein is used for providing a further understanding of the present invention,
The part of the present invention is constituted, the schematic description and description of the present invention is used to explain the present invention, does not constitute to this
Bright improper restriction, such as figure are wherein：
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the vibrational energy harvester structural representation of the present invention.
Fig. 3 is the vibrational energy harvester texture edge schematic diagram of the present invention.
Fig. 4 is the squeegee action energy harvester structural representation of the present invention.
Fig. 5 is the squeegee action energy harvester side structure schematic diagram of the present invention.
Fig. 6 is the electric energy management step structural representation of the present invention.
Fig. 7 is the method flow schematic diagram of the self-powered real-time detection motor vehicle speed of the present invention and load-carrying.
The present invention is further described with reference to the accompanying drawings and examples.
Specific embodiment
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations done by spirit of the invention
Shield scope.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, "
It is individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that arranging used in the description of the present invention
Diction " including " refers to there is the feature, integer, step, operation, element and/or component, but it is not excluded that existing or adding
One or more other features, integer, step, operation, element, component and/or their group.It should be understood that when title element, group
When part is "connected" to another element, component, it can be directly connected to other elements or component, or in can also existing
Between element or component.Wording "and/or" used herein includes one or more associated any cells for listing item
With whole combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein (include technology art
Language and scientific terminology) with art in those of ordinary skill general understanding identical meaning.
For ease of the understanding to inventive embodiments, below in conjunction with being further explained explanation, and each embodiment is simultaneously
Restriction to inventive embodiments is not constituted.
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, a kind of information of vehicles monitors self-contained electric system,
Including energy acquisition step, electric energy management step and the step that powers to the load.Energy acquisition step can be according to vehicle difference position
The form of energy feature put selects the electricity energy harvester of application type.Output of the electric energy management step according to electricity energy harvester
The power consumption feature of performance and information of vehicles monitoring load carries out the combinations matches of module, to realize optimal electricity utilization ratio
And optimal information monitoring effect.Information of vehicles monitoring load includes but is not limited to GPS, four-wheel aligner, burglar alarm, scratch resistant
Rub sensing, degree of tire abrasion, tire pressure monitoring etc..
Embodiment 2：
The present embodiment provides the vibrational energy harvester used by a kind of information of vehicles monitoring self-contained electric system.
Vibrational energy harvester mainly includes two parts, and a part is coil winding part, a part of to provide for magnetic field
Part, in two parts, a part is fixed with electricity energy harvester, and a part can be in activity in electricity energy harvester, and embodiment is with line
Circle windings section is movable part, and magnetic field offer part is to fix with electricity energy harvester, non-movable.
As shown in Figure 2 and Figure 3, coil winding part includes conductive coil 10 and the 3rd permeability magnetic material 20, the 3rd permeability magnetic material
20 is soft magnetic materials, is passed through from conductive coil 10.
Magnetic field provides part includes that the first magnetic field provides part and the second magnetic field and provides part, and the first magnetic field provides part and wraps
Include the first permanent magnet 31, the second permanent magnet 32 and the first permeability magnetic material 21；Second magnetic field provides part includes three permanent magnet (figure
Not shown in), the 4th permanent magnet 34 and the second permeability magnetic material 22.
First permeability magnetic material 21 connects the first permanent magnet 31, the second permanent magnet 32, wherein the first permanent magnet 31 and second is forever
The opposite polarity of 21 contact surface of magnet 32 and the first permeability magnetic material, the connection of the second permeability magnetic material 22 three permanent magnet (do not show in figure
Go out), the 4th permanent magnet 34, wherein the polarity and the second permanent magnet 32 of three permanent magnet and 22 contact surface of the second permeability magnetic material and the
The polarity of one permeability magnetic material, 21 contact surface is identical, and the polarity and first of 22 contact surface of the 4th permanent magnet 34 and the second permeability magnetic material is forever
Magnet 31 is identical with the polarity of 21 contact surface of the first permeability magnetic material.
Obviously, the magnetic line of force direction provided with the second magnetic field offer part by the first magnetic field offer part spatially phase
Instead, interacted by elastomeric element 40 between coil winding part and vibrational energy harvester, elastomeric element 40 can be
Various forms of springs, shell fragment etc., or the spring of multistage different stiffness factors, the combination of shell fragment, can also be rubber
Shell fragment or rubber spring washer, part and the magnetic field of 40 drive activity of elastomeric element provide part and relative motion occur, so as to cause line
The magnetic flux of circle winding changes so as to vibrational energy is converted into electric energy.
Embodiment 3：
The present embodiment provides the squeegee action energy harvester used by a kind of information of vehicles monitoring self-contained electric system.
Squeegee action energy harvester includes a movable part and a standing part, a portion be coil around
Group, a part provide part for magnetic field, and movable part can the activity in squeegee action energy harvester, standing part and tire change
Shape energy harvester keeps geo-stationary.
So squeegee action energy harvester directly using the vibrational energy harvester described in embodiment two can also can be adopted
With device form as shown in Figure 4, Figure 5.
Wherein coil windings 50 are standing part, and magnetic field provides part, and for movable part, (standing part can with movable part
Exchange).
Magnetic field provides part includes the 5th permanent magnet 60 and the 4th permeability magnetic material 61 and the 5th permeability magnetic material 62, and the 5th forever
The top of magnet 60 connects the 4th permeability magnetic material 61, and the lower section of the 5th permanent magnet 60 connects the 5th permeability magnetic material 62, coil windings
50 in the 5th permanent magnet 60 and the both sides of the 4th permeability magnetic material 61 and the 5th permeability magnetic material 62, and elastomeric element 70 is in the 5th magnetic conduction
The lower section of material 62 so that the magnetic line of force is conducive to producing bigger magnetic flux gradient by direction during coil windings 50, so as to obtain
Obtain bigger generating efficiency.
Elastomeric element 70 can for various forms of springs, shell fragment etc., including metal, plastics, rubber etc.,
Can be the permanent magnet relative with 60 polarity of the 5th permanent magnet, can also be the spring of multistage different stiffness factors, shell fragment, permanent magnetism
The combination of body.Movable part is advanced with tire rotation on the ground, and relative displacement constantly occurs with standing part, coil around
Magnetic flux in group 50 accordingly changes, so as to squeegee action can be converted into electric energy.
Embodiment 4：
The present embodiment provides the electric energy management step that a kind of information of vehicles monitors self-contained electric system.
Electric energy management step includes rectification module, energy-storage module, Voltage stabilizing module, voltage monitoring module, trigger switch module.
Rectification module is whole using the full-bridge of correspondence number according to the output port number of device for the electricity energy harvester for being output as exchanging
Stream, to using multiple full-bridge rectifications can be according to the situation selectivity of concrete generated energy and load power consumption in parallel or series；Energy storage
The electricity that module storage energy acquisition module is produced, can adopt electric capacity or rechargeable battery, the load relatively low for power consumption make
With electric capacity, Shi Yong the rechargeable battery higher than relatively large load power consumption for generated energy, matching is also needed using rechargeable battery
Corresponding charging circuit is maximizing utilization rate of electrical；Voltage stabilizing module is according to concrete condition using boosting voltage stabilizing or lowering and stabilizing blood pressure core
Piece, the output voltage of electricity energy harvester is relatively low and when not reaching running voltage needed for load, using boosting voltage stabilizing chip, energy
The output voltage of harvester is higher and when exceeding running voltage needed for load, using lowering and stabilizing blood pressure chip, prevents energy acquisition
The output voltage of module is too high to damage other components and parts, and provides the magnitude of voltage required for subsequent conditioning circuit part；Voltage monitoring mould
The electricity that the voltage of block monitoring energy-storage module is stored；Trigger switch arranges specific voltage triggered threshold value, when voltage reach it is tactile
Turn on when sending out threshold value, it is ensured that there are enough electricity to use for load, prevent the deadweight loss of little electricity.When load power consumption is low, electricity
Source control interface circuit is without the need for voltage monitoring module and trigger switch.When load power consumption is high, then needs voltage monitoring module and touch
Send out switch.
Embodiment 5：
The present embodiment provides a kind of information of vehicles monitoring self-contained electric system and is applied to real-time detection vehicle speed and load-carrying
Method.
A kind of information of vehicles monitoring self-contained electric system that the present invention is provided can be applicable to real-time detection motor vehicle speed and load
In weight, wherein information of vehicles monitoring self-contained electric system energy acquisition step, electricity energy harvester used is described in embodiment three
Deformation energy harvester, on tire tread inwall, electric energy management step adopts rectification module, pressure limiting module, energy storage mould
Block, Voltage stabilizing module, voltage monitoring module, trigger switch module.According to the operation principle of squeegee action energy harvester, tire is every
Rotation is turned around, and deformation energy harvester exports the waveform pulse of certain number, therefore tire rotary speed can utilize deformation energy
The pulse frequency of harvester is calculated, and can calculate the speed of whole vehicle with reference to the sized data of tire itself.Deformation
The pulse width of the output waveform of energy harvester is had with the plane length of ground contact portion with tire rotary speed and tire
Close, tire can be calculated with reference to speed and the pulse width of the output waveform of deformation energy harvester flat with ground contact portion
Face length.In tire, temperature Pressure monitoring sensor can detect gas pressure and temperature in tire, with reference to tire and ground contact portion
Plane length can calculate the load condition of whole vehicle, so as to realize real-time detection vehicle speed and load-carrying.
Embodiment 6：
The present embodiment provides the safe air pressure model that a kind of information of vehicles monitoring self-contained electric system is applied to tire pressure monitoring equipment
The method for enclosing adjust automatically.
Tire pressure can change with the change of vehicle load, same atmospheric pressure value in zero load be it is safe,
It is possibly unsafe in full load, therefore be a need for according to the safe air pressure range of vehicle load situation dynamic adjustment tire
's.On the basis of embodiment 5, the tire pressure secure data advised with reference to depot and tire plant is capable of achieving tire pressure monitoring and sets
Standby safe air pressure range adjust automatically.
Embodiment 7：
The present embodiment provides a kind of information of vehicles monitoring self-contained electric system and is applied to pre- runflat and pre- preventing tyre from breaking
Auxiliary security drive manner.
A kind of information of vehicles monitoring self-contained electric system that the present invention is provided can be applicable to pre- runflat and pre- runflat thing
Therefore auxiliary security drive, wherein in information of vehicles monitoring self-contained electric system energy acquisition step, electricity energy harvester used is
Deformation energy harvester described in embodiment three, on tire tread inwall, electric energy management step is using rectification module, limit
Die block, energy-storage module, Voltage stabilizing module, voltage monitoring module, trigger switch module.Squeegee action energy harvester used exists
During high vehicle speeds, generated energy is very big, tire pressure can be carried out with reference to baroceptor high-frequency uninterrupted in real time
Sampling, so effectively can send early warning signal before generation of blowing out in advance, and car running computer is when early warning signal is received
That is active control motor vehicle braking system is braked, while controlling the steering angle of deflecting roller, effectively aids in driver's prevention
Blow out or pre- preventing tyre from breaking generation.If moment of blowing out occurs with having no omen, baroceptor is high-frequency in real time
What sampling can promptly monitor air pressure drastically changes and sends signal of tyre burst, car running computer when signal of tyre burst is received i.e.
Active control motor vehicle braking system is braked, while controlling the steering angle of deflecting roller, effectively aids in driver's reply quick-fried
Safe driving after fetal hair (Crinis Carbonisatus) life, so as to play a part of pre- preventing tyre from breaking.And the tire pressure monitoring system that conventional batteries are powered by
Limit in battery capacity and cannot accomplish high-frequency real-time sampling communication, so as to carry out quickly online with car running computer cannot be realized
Real-time auxiliary security drive function.
As described above, explained to embodiments of the invention, but as long as essentially without departing from this
Bright inventive point and effect can have many deformations, and this will be readily apparent to persons skilled in the art.Therefore, this
The variation of sample is also integrally incorporated within protection scope of the present invention.
Claims (17)
1. a kind of information of vehicles monitors self-contained electric system, it is characterised in that containing following steps；
Step 1, energy acquisition step, include but is not limited to heat energy, solar energy, vibrational energy, squeegee action various in collection vehicle
The energy of form, is converted into electric energy, provides endlessly electric energy for information of vehicles monitoring load, so as to realize that information of vehicles is supervised
The self-powered of examining system, the difference of the form of energy that the environment according to residing for different loads can be provided is using different types of
Electricity energy harvester；
Step 2, electric energy management step, according to electricity energy harvester output characteristics and load with electrical characteristics to energy acquisition
The electric energy that device is collected is managed；
Step 3, power to the load step；
Efficient electricity energy harvester provides sufficient electricity, and efficient electric energy management reduces kwh loss, and three steps are protected jointly
The sufficient electric energy of barrier information of vehicles monitoring load is automatically supplied, and is capable of achieving the function that many batteries are not realized.
2. a kind of information of vehicles according to claim 1 monitors self-contained electric system, it is characterised in that electricity energy harvester is
A kind of vibrational energy harvester, installed in enging cabin, suspension, boot, tire location.
3. a kind of information of vehicles according to claim 2 monitors self-contained electric system, is characterised by vibrational energy harvester
At least include two parts, magnetic field provide part and coil winding part, wherein at least some be mobilizable.
4. a kind of information of vehicles according to claim 3 monitors self-contained electric system, it is characterised in that vibrational energy collection dress
The magnetic field put provides part includes that the first magnetic field provides part and the second magnetic field offer part, and the first magnetic field provides part and second
The magnetic line of force direction provided by magnetic field offer part is spatially contrary.
5. a kind of information of vehicles according to claim 4 monitors self-contained electric system, it is characterised in that vibrational energy collection dress
Putting coil winding part includes conductive coil and the 3rd permeability magnetic material, wherein the 3rd permeability magnetic material is soft magnetic materials, the 3rd magnetic conduction
Material passes through conductive coil, while can provide in the first magnetic field move between part and the second magnetic field offer part, so that
Upset must occur by the magnetic line of force direction of conductive coil, so as to obtain very big magnetic flux change gradient.
6. a kind of information of vehicles according to claim 3 monitors self-contained electric system, it is characterised in that vibrational energy collection dress
Put, elastomeric element can be spring, shell fragment, multistage
The various forms of parts that elastic force can be provided of spring, turriform spring, rubber shell fragment, rubber spring washer.
7. a kind of information of vehicles according to claim 1 monitors self-contained electric system, it is characterised in that electricity energy harvester is
A kind of deformation energy harvester, may be mounted at tire location.
8. a kind of information of vehicles according to claim 7 monitors self-contained electric system, it is characterised in that deformation energy harvester
At least include two parts, magnetic field provides part and coil winding part, and a portion is mobilizable, and a part is protected with tire
Geo-stationary is held, whole deformation energy harvester is arranged on the tyre surface inwall of tire；Under the influence of vehicle weight, tire with
There is a planar section in the position of ground contact, remaining non-flat portion is held round in the presence of tire pressure, works as wheel
When tire rotates traveling on the ground, in the most of the time that tire rotates a circle, deformation energy harvester is rotated in non-flat with tire
Face position, when deformation energy harvester is rotated to the planar section contacted with ground with tire, activity in deformation energy harvester
Part therefore can produce suddenly a displacement moved to tire centerline, when deformation energy harvester be rotated in tire it is non-
During planar section, due to the effect of centrifugal force, in deformation energy harvester, movable part is therefore and to the side away from tire centerline
To motion, then movable part continually will occur relative motion with another part with the rotation of tire so that coil
The magnetic flux of winding changes so as to squeegee action can be converted into electric energy.
9. a kind of information of vehicles according to claim 8 monitors self-contained electric system, it is characterised in that deformation energy harvester
Magnetic field provides part includes permanent magnet and the first permeability magnetic material, and the first permeability magnetic material is overlapped with the face of magnetizing of permanent magnet, and first
Permeability magnetic material is cooperated in structure with permanent magnet so that do not need extra bonding agent can just allow the first permeability magnetic material and
The face of magnetizing of permanent magnet is completely superposed not eccentric, and the first permeability magnetic material is identical with the sectional area of permanent magnet, advantage of this is that
So that the magnetic line of force of permanent magnet is along the bigger directional spreding of the magnetic flux gradient of coil windings.
10. a kind of information of vehicles according to claim 9 monitors self-contained electric system, it is characterised in that deformation energy harvester
Magnetic field provides part also includes the second permeability magnetic material, and the second permeability magnetic material is overlapped with another face of magnetizing of permanent magnet, and second leads
Magnetic material is identical with the sectional area of permanent magnet, and the second permeability magnetic material is cooperated in structure with permanent magnet so that need not
It is not eccentric that extra bonding agent can just allow the face of magnetizing of the first permeability magnetic material and permanent magnet to be completely superposed.
A kind of 11. information of vehicles according to claim 8 monitor self-contained electric system, it is characterised in that deformation energy harvester
Between movable part and device standing part by elastomeric element interact, elastomeric element be various forms of springs, shell fragment,
Can also be spring, the combination of shell fragment of multistage different stiffness factors, can also be magnetic spring, rubber shell fragment, rubber spring washer.
A kind of 12. information of vehicles according to claim 3 monitor self-contained electric system, it is characterised in that vibrational energy collection dress
Put the collection that squeegee action energy is capable of achieving on tire tread inwall, deformation direction and institute of the tire by circular complanation
The direction for stating the event trace of vibrational energy harvester movable part is consistent.
A kind of 13. information of vehicles according to claim 1 monitor self-contained electric system, it is characterised in that electric energy management step bag
Include rectification module, pressure limiting module, energy-storage module, Voltage stabilizing module, voltage monitoring module, trigger switch module；According to energy acquisition
What the output characteristics of device and information of vehicles monitoring were loaded selects specific block combiner to obtain optimal electricity with electrical characteristics
Service efficiency.
14. a kind of information of vehicles according to claim 13 monitors self-contained electric system, it is characterised in that electric energy management step
Including rectification module, pressure limiting module, energy-storage module, Voltage stabilizing module, voltage monitoring module, trigger switch module；
Rectification module does rectification process to the alternating current that electricity energy harvester is collected；
Pressure limiting module is used for protecting back end device, when the voltage that electricity energy harvester is produced is higher, for protecting energy-storage module
And Voltage stabilizing module；
Energy-storage module is used for interim or longer-term storage energy；
Voltage stabilizing module for according to load characteristic by Voltage Cortrol to suitable usable levels；
Voltage monitoring module is used for the voltage for monitoring energy-storage module；
The voltage of the energy-storage module that trigger switch module is arrived according to voltage monitoring module monitors selects on or off, when energy storage mould
When block voltage is enough, i.e. when the electricity of energy-storage module storage is sufficient, trigger switch module is in the conduction state, and load is in upper electricity
State, normal work；When energy-storage module voltage is relatively low, load now go up it is electric also cannot normal work, electricity will be by meaningless damage
Consumption, so trigger switch is closed, load is not worked, reduces the loss of electricity with this in off-position.
A kind of information of vehicles monitoring self-contained electric system described in 15. claim 1 is applied to real-time detection vehicle speed and load-carrying
Method, it is characterised in that energy acquisition step is arranged on tire tread using the deformation energy harvester described in claim 8
On inwall, power management step is using the power management step described in claim 14, the output of the deformation energy harvester
The plane length of tire rotational speed and tire and ground contact portion is included in waveform for information about, such that it is able to reference to tire chi
The very little speed for calculating whole vehicle, combination temperature can calculate tire with the tyre temperature and air pressure measured by baroceptor
Institute is loaded, so as to detect the load-carrying of whole vehicle.
A kind of information of vehicles monitoring self-contained electric system described in 16. claim 1 is applied to the safe air pressure of tire pressure monitoring equipment
Scope adjust automatically, it is characterised in that the method for real-time detection vehicle speed according to claim 15 and load-carrying is provided
Vehicle load situation and depot and tire plant suggestion tire pressure secure data dynamic adjustment tire pressure monitoring equipment peace
Full air pressure range.
A kind of information of vehicles monitoring self-contained electric system described in 17. claim 1 is applied to pre- runflat and pre- runflat thing
Therefore auxiliary security drive manner, it is characterised in that energy acquisition step is using the deformation energy harvester described in claim 8
On tire tread inwall, power management step is using the power management step described in claim 14, the deformation energy
Harvester generated energy in high vehicle speeds is very big, tire pressure can be carried out with reference to baroceptor high-frequency
It is uninterrupted in real time to sample, so early warning signal can be sent in advance before generation of blowing out effectively, car running computer is being received
It is that active control motor vehicle braking system is braked during early warning signal, while controlling the steering angle of deflecting roller, effectively aids in
The generation of the pre- runflat of driver or pre- preventing tyre from breaking；If moment of blowing out occurs with having no omen, baroceptor is high
What the real-time sampling of frequency can promptly monitor tire pressure drastically changes and sends signal of tyre burst, and car running computer is being received
It is that active control motor vehicle braking system is braked during to signal of tyre burst, while the steering angle of deflecting roller is controlled, it is effectively auxiliary
Driver is helped to tackle the safe driving after occurring of blowing out, so as to play a part of pre- preventing tyre from breaking.
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| CN201710010799.6A CN106585536A (en) | 2017-01-06 | 2017-01-06 | Vehicle information monitoring self power supply system |
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| CN112683376A (en) * | 2021-01-12 | 2021-04-20 | 杭州电子科技大学 | Self-powered dynamic weighing device based on magnetostrictive material and working method |
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Application publication date: 20170426 |