CN107069919A - A kind of vehicle suspension system vibration energy recovery device - Google Patents
A kind of vehicle suspension system vibration energy recovery device Download PDFInfo
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- CN107069919A CN107069919A CN201710454666.8A CN201710454666A CN107069919A CN 107069919 A CN107069919 A CN 107069919A CN 201710454666 A CN201710454666 A CN 201710454666A CN 107069919 A CN107069919 A CN 107069919A
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- 239000000725 suspension Substances 0.000 title claims abstract description 24
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 230000009467 reduction Effects 0.000 claims description 12
- 230000006837 decompression Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H02J7/045—
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of vehicle suspension system vibration energy recovery device, it is using classical rectification circuit, step-up/step-down circuit as design basis, by constantly gathering input and output end voltage, calculate the error between output voltage actual value and desired value, the mode that dutycycle to pwm signal is modified, realize the closed loop feedback control of voltage-regulation, the three-phase alternating current that voltage magnitude is continually changing can be converted into direct current that is stable, being charged to battery, and it is stable and reliable in work.
Description
Technical field：
The invention belongs to electromechanical integration equipment, a kind of vehicle suspension system vibration energy recovery device is related generally to, is used
In the recovery of vehicle suspension system vibrational energy.
Background technology
With the full electrification of vehicle, digitlization and the development of informationization, increasing in-vehicle device needs to power and consumed
Energy, energy resource supply turns into the key factor of restriction vehicle continuation of the journey.For example, advanced active suspension can be with effective attenuation car
Body vibrates, and greatly improves ride comfort, the riding comfort of vehicle, but will be to consume external energy as cost.Meanwhile, vehicle traveling
During uneven road surface pass to the shock loading and vibrational energy of car body, be the important component of energy consumption of vehicles, due to lacking
Few effective control and recovering meanses, the benefit of these energy, and this vibration and impact are not given full play to not only, is to make
One of principal element damaged into vehicle structure, influenceed riding comfort and mobility.
If it is possible to those vibrational energies for being dissipated of effective recycling and be managed and controlled, not only may be used
To improve the off-road mobility energy of vehicle, and certain energy supplement can be provided for it, reduction vehicle is to extra power
Dependence.At present, researcher mainly passes through linear electric motors or " electric rotating machine+move along a straight line and rotate movement transforming device (such as
Rack-and-pinion, ball-screw etc.) " mechanical energy of suspension relative motion is converted into electric energy, but be due to vehicle running surface not
Pingdu changes at random, and the voltage of motor feedback is also the alternating current that amplitude is continually changing, and the electrical equipment on vehicle and
Energy storage device is generally 48V direct current, and power supply need to be the metastable direct current of size, therefore the amplitude of motor feedback constantly becomes
The alternating current of change is difficult to directly effectively be recycled.
The content of the invention
For above-mentioned technical problem present in prior art, implementation of the invention is shaken there is provided a kind of vehicle suspension system
Energy retracting device, the three-phase alternating current that voltage magnitude is continually changing can be converted into it is stable, battery can be charged
Direct current.
The present invention provides a kind of vehicle suspension system vibration energy recovery device, and it includes：Linear electric motors, AC-DC module,
Voltage raising and reducing circuit, data acquisition circuit, direct solenoid relay switch and embedded MCU；Wherein, linear electric motors are by vehicle hanging
The vibrational energy of system is converted into three-phase alternating current；Three-phase alternating current is changed into direct current by AC-DC module, and direct current, which enters, to be risen
Pressure drop volt circuit；Embedded MCU gathers the input and output end voltage signal of step-up/step-down circuit by data acquisition circuit, and
Two-way collection signal is contrasted, it is determined that being boosted or being depressured to input voltage, then by controlling direct solenoid relay
Switch output pwm signal makes output end voltage stable in the range of voltage values of setting, so as to be to control voltage raising and reducing circuit
Vehicle battery provides stable charging voltage.
Beneficial effect：
1) suspension relative motion mechanical energy is converted into electric energy by the present invention using linear electric motors, devises energy regenerating electricity
Road, when voltage is less than battery charging voltage threshold value, realizes that boosting is adjustable by booster circuit, when voltage is higher than battery charging electricity
When pressing threshold value, realize that decompression is adjustable by reduction voltage circuit；Fed back using collection voltages signal, by adjusting input PWM letters
The three-phase alternating current that voltage magnitude is continually changing, can be converted into direct current that is stable, being charged to battery by number dutycycle
Electricity, so as to realize that voltage adaptive is adjustable.Therefore the problem of suspension vibration energy effectively can not be reclaimed and stored is solved, realized
The actual recovered storage of suspension vibration energy, promotes industry development.
2) energy regenerating scope of the present invention is wide, and the three-phase alternating current that feedback voltage amplitude changes in 3-150V can be achieved
Conversion and recovery, can also be reclaimed even if less vibrational energy.
3) energy-recuperation system functions of the present invention clearly, and using classical rectification circuit, step-up/step-down circuit to set
Meter basis, by constantly gathering input and output end voltage, calculates the error between output voltage actual value and desired value,
The mode that dutycycle to pwm signal is modified, realizes the closed loop feedback control of voltage-regulation, stable and reliable in work, raw
Produce cost low.
Brief description of the drawings
Fig. 1 is vehicle suspension system vibration energy recovery device schematic diagram of the invention；
Fig. 2 is booster circuit control flow chart of the invention.
Fig. 3 is reduction voltage circuit control flow chart of the invention.
Embodiment
As shown in figure 1, being vehicle suspension system vibration energy recovery device of the invention in dotted line frame, it is specifically included：
Linear electric motors, rectification module (AC-DC module i.e. in figure), voltage raising and reducing circuit, data acquisition circuit, direct solenoid relay are opened
Close and embedded host computer (embedded MCU i.e. in figure).
Specifically operation principle is：
When vehicle is travelled on uneven road surface, relative motion is produced between car body and wheel, is driven in suspension system
Linear electric motors linear reciprocating motion；(position relationship is shown in Fig. 1 left parts, and suspension system is the portion between connection body and wheel
The general name of part, mainly includes spring and shock absorber.)
Suspension vibrational energy is converted into three-phase alternating current by linear electric motors；
Three-phase alternating current is changed into direct current through AC-DC module, into voltage raising and reducing circuit (including：Booster circuit and decompression
Circuit)；This voltage raising and reducing circuit can be three-phase commutation bridge.
Embedded host computer gathers the input and output end voltage signal of step-up/step-down circuit by data acquisition circuit, and
Two-way collection signal is contrasted, it is determined that being boosted or being depressured to input voltage, then by controlling direct solenoid relay
Switch control booster circuit and reduction voltage circuit are switched on or switched off, output pwm signal control boosting or reduction voltage circuit, make output end
Voltage stabilization is near some magnitude of voltage, so as to provide stable charging voltage for battery.Booster circuit and reduction voltage circuit point
Boost and Buck circuits that Cai Yong be classical, are that can track the high frequency change of vibrational energy, PWM signal frequency is not less than
10KHz, mos field effect transistor (Metal-Oxide-Semiconductor Field Effect
Transistor) mosfet driver uses IRFP260N.
Wherein it is determined that the method boosted or be depressured to input voltage is：If input terminal voltage is less than output voltage,
I.e. battery charging voltage, generally 48V, then need to be boosted；Conversely, then needing to be depressured.
PWM is pulse width modulation pulsewidth modulations, and pwm signal is exactly voltage raising and reducing control signal, embedded
By calculating dutycycle D (0≤D≤1), (voltage reduction module duty ratio calculation method is U to formula host computer MCUOutput/UInput=D, boost mould
Block duty ratio calculation method is UOutput/UInput=1/ (1-D)) regulation pwm signal dutycycle, control circuit boosted or dropped
Pressure.
Voltage raising and reducing circuit control signal includes switching signal and pwm signal, and the specific control method of step-up/step-down circuit：
(1) when data acquisition circuit input DC voltage is less than set threshold voltage, embedded MCU sends control signal
(switching signal 1 i.e. in figure), now switching signal 1 is "ON" signal, opens direct solenoid relay switch 1 and 2, connects boosting
Circuit, while embedded MCU sends control signal (switching signal 2 i.e. in figure), switching signal 2 is "Off" signal, is disconnected straight
Electromagnetism relay switch 3 and 4 is flowed, reduction voltage circuit is disconnected, believed while embedded MCU exports PWM according to its dutycycle calculated value
Number 1, data acquisition circuit synchronous acquisition output end voltage, and output end voltage and output end are expected that the difference of voltage is fed back to
Embedded MCU, embedded MCU adjustment PWM duty cycle makes output voltage close to desired output voltage, the control process of booster circuit
As shown in Figure 2；
(2) when data acquisition circuit input DC voltage is higher than set threshold voltage, embedded MCU sends control signal
(switching signal 1 i.e. in figure), now switching signal 1 is "Off" signal, disconnects direct current electromagnetic relay switch 1 and 2, disconnects and rising
Volt circuit, while embedded MCU sends control signal (switching signal 2 i.e. in figure), now switching signal 2 is "ON" signal,
Direct solenoid relay switch 3 and 4 is opened, reduction voltage circuit is connected, while embedded MCU is exported according to its dutycycle calculated value
PWM2 signals, data acquisition circuit synchronous acquisition output end voltage, and output end voltage and output end are expected to the difference of voltage
Embedded MCU is fed back to, embedded MCU adjustment PWM duty cycle makes output voltage close to desired output voltage, the control of reduction voltage circuit
Process processed is as shown in Figure 3.
The characteristics of voltage raising and reducing circuit is controlled is：As a result of the PWM controls of upper frequency, and by constantly adopting
Collect input and output end voltage, calculate the error between output voltage actual value and desired value, the dutycycle to pwm signal is entered
Row amendment, step-up/step-down circuit can realize the stabilization of output voltage quickly by this closed loop feedback control, so as to being to store
Battery provides relatively stable charging voltage.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (6)
1. a kind of vehicle suspension system vibration energy recovery device, it is characterised in that including：Linear electric motors, AC-DC module, liter
Pressure drop volt circuit, data acquisition circuit, direct solenoid relay switch and embedded MCU；Wherein,
The vibrational energy of vehicle suspension system is converted into three-phase alternating current by linear electric motors；
Three-phase alternating current is changed into direct current by AC-DC module, and direct current enters voltage raising and reducing circuit；
Embedded MCU gathers the input and output end voltage signal of step-up/step-down circuit by data acquisition circuit, and by two-way
Collection signal is contrasted, it is determined that being boosted or being depressured to input voltage, then by controlling direct solenoid relay switch defeated
Go out pwm signal to control voltage raising and reducing circuit, make output end voltage stable in the range of voltage values of setting, so as to be stored for vehicle
Battery provides stable charging voltage.
2. vehicle suspension system vibration energy recovery device as claimed in claim 1, it is characterised in that voltage raising and reducing circuit bag
Include booster circuit and reduction voltage circuit.
3. vehicle suspension system vibration energy recovery device as claimed in claim 2, it is characterised in that carried out to input voltage
The content of boosting is：When data acquisition circuit input DC voltage is less than set threshold voltage, embedded MCU sends control
Signal, opens direct solenoid relay switch and connects booster circuit, with theoretical dutycycle output pwm signal, and synchronous acquisition is exported
Terminal voltage, then expects that the difference of voltage feeds back to embedded MCU, last embedded MCU is adjusted by output end voltage and output end
Whole PWM duty cycle makes output voltage close to desired output voltage.
4. vehicle suspension system vibration energy recovery device as claimed in claim 2, it is characterised in that carried out to input voltage
The content of decompression is：When data acquisition circuit input DC voltage is higher than set threshold voltage, embedded MCU sends control letter
Number, open direct solenoid relay switch and connect reduction voltage circuit, with theoretical dutycycle output pwm signal, and synchronous acquisition output end
Voltage, then expects that the difference of voltage feeds back to embedded MCU, last embedded MCU adjustment by output end voltage and output end
PWM duty cycle makes output voltage close to desired output voltage.
5. vehicle suspension system vibration energy recovery device as claimed in claim 2, it is characterised in that booster circuit and decompression
Boost and Buck circuits are respectively adopted in circuit, and PWM signal frequency is not less than 10KHz, and mosfet driver uses IRFP260N.
6. vehicle suspension system vibration energy recovery device as claimed in claim 1, it is characterised in that voltage raising and reducing circuit is
Three-phase commutation bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454666.8A CN107069919A (en) | 2017-06-16 | 2017-06-16 | A kind of vehicle suspension system vibration energy recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454666.8A CN107069919A (en) | 2017-06-16 | 2017-06-16 | A kind of vehicle suspension system vibration energy recovery device |
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| CN107069919A true CN107069919A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710454666.8A Pending CN107069919A (en) | 2017-06-16 | 2017-06-16 | A kind of vehicle suspension system vibration energy recovery device |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745636A (en) * | 2017-10-27 | 2018-03-02 | 周燕红 | A kind of method that Vibration of Vehicle Suspensions energy regenerating utilizes |
| CN113352862A (en) * | 2021-07-02 | 2021-09-07 | 奇瑞新能源汽车股份有限公司 | Cooling water pump of electric automobile and electric automobile |
| CN113635725A (en) * | 2021-07-23 | 2021-11-12 | 中国北方车辆研究所 | Multi-mode control device for electromechanical suspension |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678939Y (en) * | 2004-02-23 | 2005-02-16 | 哈尔滨工业大学 | Energy feedback type electromagnetic viberation damper for vehicle suspension |
| CN1603155A (en) * | 2004-11-08 | 2005-04-06 | 西安交通大学 | Automobile vibrational energy piezo-electric generating method and system |
| CN102887066A (en) * | 2012-06-15 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | System for collecting energy and saving energy in automobile by utilizing piezoelectric effect |
| CN104038016A (en) * | 2013-03-08 | 2014-09-10 | 华为技术有限公司 | Wearable power generating device |
| CN104079055A (en) * | 2014-06-30 | 2014-10-01 | 南京慧动信息科技有限公司 | Electric generation device in fitness equipment |
| CN205377710U (en) * | 2016-01-25 | 2016-07-06 | 何泽镕 | Emergent power supply unit of intelligence shoes |
| CN105751847A (en) * | 2016-03-24 | 2016-07-13 | 江苏大学 | Control method for multi-mode shock absorber of vehicle |
| CN106026330A (en) * | 2016-06-22 | 2016-10-12 | 江苏大学 | Energy recovery and storage circuit of hybrid suspension of overall vehicle and control method of energy recovery and storage circuit |
| CN106080579A (en) * | 2016-06-17 | 2016-11-09 | 江苏大学 | A kind of hybrid electric vehicle complete vehicle control method based on suspension vibration energy regenerating |
-
2017
- 2017-06-16 CN CN201710454666.8A patent/CN107069919A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678939Y (en) * | 2004-02-23 | 2005-02-16 | 哈尔滨工业大学 | Energy feedback type electromagnetic viberation damper for vehicle suspension |
| CN1603155A (en) * | 2004-11-08 | 2005-04-06 | 西安交通大学 | Automobile vibrational energy piezo-electric generating method and system |
| CN102887066A (en) * | 2012-06-15 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | System for collecting energy and saving energy in automobile by utilizing piezoelectric effect |
| CN104038016A (en) * | 2013-03-08 | 2014-09-10 | 华为技术有限公司 | Wearable power generating device |
| CN104079055A (en) * | 2014-06-30 | 2014-10-01 | 南京慧动信息科技有限公司 | Electric generation device in fitness equipment |
| CN205377710U (en) * | 2016-01-25 | 2016-07-06 | 何泽镕 | Emergent power supply unit of intelligence shoes |
| CN105751847A (en) * | 2016-03-24 | 2016-07-13 | 江苏大学 | Control method for multi-mode shock absorber of vehicle |
| CN106080579A (en) * | 2016-06-17 | 2016-11-09 | 江苏大学 | A kind of hybrid electric vehicle complete vehicle control method based on suspension vibration energy regenerating |
| CN106026330A (en) * | 2016-06-22 | 2016-10-12 | 江苏大学 | Energy recovery and storage circuit of hybrid suspension of overall vehicle and control method of energy recovery and storage circuit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745636A (en) * | 2017-10-27 | 2018-03-02 | 周燕红 | A kind of method that Vibration of Vehicle Suspensions energy regenerating utilizes |
| CN113352862A (en) * | 2021-07-02 | 2021-09-07 | 奇瑞新能源汽车股份有限公司 | Cooling water pump of electric automobile and electric automobile |
| CN113352862B (en) * | 2021-07-02 | 2022-10-25 | 奇瑞新能源汽车股份有限公司 | Cooling water pump of electric automobile and electric automobile |
| CN113635725A (en) * | 2021-07-23 | 2021-11-12 | 中国北方车辆研究所 | Multi-mode control device for electromechanical suspension |
| CN113635725B (en) * | 2021-07-23 | 2024-03-08 | 中国北方车辆研究所 | Multi-mode control device for electromechanical suspension |
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Application publication date: 20170818 |
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