CN106374685B - A kind of integrated sensing-execution-energy recycle device and braking system - Google Patents
A kind of integrated sensing-execution-energy recycle device and braking system Download PDFInfo
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- CN106374685B CN106374685B CN201611024275.4A CN201611024275A CN106374685B CN 106374685 B CN106374685 B CN 106374685B CN 201611024275 A CN201611024275 A CN 201611024275A CN 106374685 B CN106374685 B CN 106374685B
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- 238000006073 displacement reaction Methods 0.000 claims description 15
- 230000003750 conditioning effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 15
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008447 perception Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/181—Circuits; Control arrangements or methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/183—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using impacting bodies
Abstract
The invention discloses the integrated sensings of one kind executing energy recycle device and braking system, including rotor and stator, rotor is co-axially mounted with stator, more than two piezoelectric element is uniformly mounted on the inside of stator, the deformation direction of piezoelectric element is directed toward the central axes of rotor, rotor outer surface has been evenly arranged more than two bump contact, and when piezoelectric element extends, bump contact and the piezoelectric element of rotor outer surface generate friction and collision；The present invention can realize the various functions of sensor, actuator and recuperator in compact volume；A variety of integrated functionality devices applied to different Mechatronic Systems can be developed on this basis；Line control brake system provided by the invention can be achieved at the same time sensing and energy recovery function, have preferable application prospect in fields such as new energy vehicle, intelligent driving vehicles.
Description
Technical field
The invention belongs to Smart Structure Teehnology fields, and in particular to one kind being integrated with sensor, actuator and energy and returns
Receive the sensing-execution-energy recycle device and braking system of device.
Background technology
Traditional electro-mechanical system is generally divided into basic machine, sensing module, message processing module, actuator and input/output
Five parts such as interface.The sensor, actuator and information processing mould that meet certain function are then made every effort in MEMS
Block carries out the integrated of height, it is made to constitute intelligentized miniature functional unit, i.e. intelligence structure, further constitutes the micro- system of intelligence
System.Wherein, the integrated technology route of sensor and actuator is broadly divided into two kinds：Structure assembly and function are integrated.Structure assembly
Only be by a sensor and an actuator in structure closely side together, macroscopically presentation be a device, although
The possible very little of volume, structure, but be functionally still to be undertaken respectively by two devices.And function is integrated no matter in macroscopic view or from micro-
See from the point of view of be it is integrated, sensing and execute be inherently a device two kinds of functions, can be referred to as from sense execute
Device, basic thought are that the measurement information to be checked that signal is controlled independently of any actuator is extracted in the actuation process of device.
Self-sensing Actuator has obtained relatively broad application in some micro electronmechanical intelligence machines.
With the development of technology, the either numerically-controlled machine tool of micro-electro-mechanical system design or relatively large-scale, walking machine etc.
Lightweight, energy-saving and environment-friendly design concept are all paid much attention in the design of Mechatronic Systems, thus also constantly introduce intelligence structure
Application.Especially with intellectual material, such as piezoelectric material, memory alloy material, magnetostriction, the collection being designed is successful
It can device.In addition, as Mechatronic Systems is on the increase transducing signal demand, the passive sensing system of energy regenerating can be carried out
System also becomes research hotspot.
In addition, having a large amount of rotary part in various electronic products in the prior art, as the CD-ROM drive in micro electronmechanical product turns
The wheel etc. of live spindle and carrier vehicle in axis, numerically-controlled machine tool is required to reach finer working condition
Its rotating speed is measured, and is transferred in complete machine controller and carries out respective handling；It is needing to carry out rotating speed to corresponding shaft
When control, also usually uses brake and it is braked.In the prior art, both sensor and brake are usually discrete
It is existing.With continuous in short supply and other performance requirements of the energy, it is also necessary to which countershaft rotating mechanical energy is recycled, to increase
Add the efficiency of energy utilization of complete machine, such as the regeneration brake system in new-energy automobile field, i.e., by wheel during vehicle braking
Rotation function be transferred to generator, recycling is used at electric energy.However, the energy in existing brake energy recovering system
Retracting device is also independently of brake, not only increases system complexity so that complete machine is not easy to arrange, reliability drop
It is low, or obtain main screw lift and increase, it is unfavorable for the raising of capacity usage ratio.
Piezoelectric actuator realizes conversion of the electric energy to mechanical energy using the inverse piezoelectric effect of piezoelectric ceramics, can be in body
Reach well balanced between product, weight and power output, and there is no the problem of electromagnetic compatibility.However, although piezoelectric ceramics can
It exports big thrust, but its displacement very little for directly exporting, pushes brake disc to realize braking effect it is difficult to be directly used in.It is Chinese special
Sharp (CN103994159B) discloses a kind of laminated piezoelectric brake using flexible enlarged structure, using flexible enlarged structure
The elongation displacement of stacked piezoelectric ceramics is amplified and is controlled.But it can not achieve the measurement of shaft rotating speed, can not realize
The recycling of mechanical energy.United States Patent (USP) (US20060108861A1) discloses electrically controlled brake system, utilizes piezo actuator pair
Braking oil liquid pressure is adjusted.Since the degree of regulation of piezo actuator is higher, which can realize ABS, TCS and ESP
Etc. the additional function for needing to accurately control brake force.United States Patent (USP) (US20040040797A1) discloses a kind of utilization
The electromechanical braking system of the commercial aircraft of piezo actuator drives caliper and brake disc using motor, utilizes pressure
Electric actuator more subtly adjusts the contact between caliper and brake disc, to which more acurrate drop controls brake force.But
It is that above-mentioned patent installs speed probe additional there is still a need for other, and can not achieve energy recovery function.
Invention content
For technological deficiency in the prior art, the present invention provides a kind of highly integrated sensing-based on piezoelectric effect
Execution-energy recycle device can realize the various functions of sensor, actuator and recuperator in compact volume；
A variety of integrated functionality devices applied to different Mechatronic Systems can be developed on this basis；In addition providing one kind can apply
In the line control brake system of various wheeled vehicles.
In order to solve the above technical problems, the invention is realized by the following technical scheme：
A kind of integrated sensing-execution-energy recycle device, including rotor 1 and stator 2, rotor 1 are co-axially mounted with stator 2,
More than two piezoelectric element 21 is uniformly mounted on the inside of stator 2, and the deformation direction of piezoelectric element 21 is directed toward the axis of rotor 1
Line, 1 outer surface of rotor have been evenly arranged more than two bump contact 11, when piezoelectric element 21 extends, 1 outer surface of rotor it is convex
It plays contact 11 to rub and collision with the generation of piezoelectric element 21, between 1 convex outer surfaces contact 11 of piezoelectric element 21 and rotor most
Small distance is less than the deformation total length of piezoelectric element 21.
A kind of integrated sensing-execution-energy recycle device, including rotor 1 and stator 2, wherein stator 2 are fixed for clamp-type
Son is installed on 1 outer edge of rotor, and more than two piezoelectric element 21 is uniformly mounted on the clamp of stator 2 inside, piezoelectric element 21
Deformation direction be parallel to the central axes of rotor 1, the minimum range between 1 outer surface of contact and rotor of piezoelectric element 21 is less than
The deformation total length of piezoelectric element 21；1 outer surface of rotor is evenly arranged the more than two bump contact 11 of fan-shaped distribution, works as pressure
When electrical component 21 extends, bump contact 11 and the piezoelectric element 21 of 1 outer surface of rotor generate friction and collision.
Optionally, the piezoelectric element 21 includes piezoelectric stack 211, wiping contact 212, piezoelectricity overhead guard 213 and vessel
214, wherein piezoelectric stack 211 and piezoelectricity overhead guard 213 is sequentially arranged inside vessel 214,212 bottom groove of wiping contact and pressure
213 external arc surface of electric overhead guard is slidably connected, and piezoelectric stack 211 is avoided to be impacted by lateral force；Piezoelectric stack 211 and follow-up electricity
Road carries out signal by cable 216 and electric energy transmits.
Optionally, the piezoelectric element 21 includes piezoelectric stack 211, wiping contact 212 and displacement amplifier 215, position
Shift amplifier 215 is amplified the deformation displacement of piezoelectric stack 211, wiping contact 212 and 215 upper end phase of displacement amplifier
Even, piezoelectric stack 211 carries out signal with subsequent conditioning circuit by cable 216 and electric energy transmits；It is, of course, also possible to there is other schemes real
Existing similar functions.
Optionally, piezoelectric element 21 can also be mounted on rotor 1, according to active force and reaction force principle, be up to
The functional effect similar with above structure.
There are three types of operating modes for energy recycle device tool for integrated sensing-execution of the present invention-, respectively：
(1) sensing modes：When the bump contact 11 of 1 outer surface of rotor generates collision, subsequent conditioning circuit pair with piezoelectric element 21
The output signal of piezoelectric element 21 is counted, and then calculates rotor 1 according to the number of contacts of 1 outer surface of rotor and signal pulse number
Rotating speed；
(2) execution pattern：According to the speed demand of rotor 1, subsequent conditioning circuit controls the energy supply of piezoelectric element 21, in turn
The extended length of piezoelectric element 21 is adjusted, so adjust rotor 1 outer surface bump contact 11 and piezoelectric element 21 it
Between frictional force, the final rotating speed for controlling rotor 1；
Preferably, the electric energy supply of multiple piezoelectric elements 21 inside stator 2 can be adjusted according to demand for control, into
And multiple piezoelectric elements 21 is made to be operated in different conditions, meet finer control demand.
(3) energy recuperation mode：When the bump contact 11 of 1 outer surface of rotor and piezoelectric element 21 generate collision, piezoelectricity
Piezoelectric stack in component 21 is compressed, and according to piezoelectric effect, piezoelectric element 21 is to follow-up circuit output electric energy.
Optionally, which may be simultaneously operated under three kinds of operating modes, i.e. shape
At a kind of integrated sensing-execution-energy recycle device；
Optionally, which can also only work any two operating modes wherein
Under：When working at the same time in sensing modes and execution pattern, self perception executor is formed；When working at the same time in sensing modes and energy
When measuring take-back model, formed from perception recuperator；When working at the same time in execution pattern and energy recuperation mode, tool is formed
There is the actuator of energy recovery function；
Optionally, which can also be only operated at one of which operating mode
Under, become single sensor, actuator or recuperator.
A kind of braking system based on above-mentioned integrated sensing-execution-energy recycle device includes turning with what wheel 3 was connected
Son 1, the stator 2 being connected with vehicle body, the wherein piezoelectric element 21 inside stator 2 carry out drive control by piezoelectric driving circuit 22,
Piezoelectric driving circuit 22 carries out electric energy transmission with energy converter 5 by cable, and energy converter 5 passes through cable and energy stores
Unit 10 carries out electric energy transmission, and piezoelectric driving circuit 22 carries out signal transmission with brake monitor 6 by cable, and pedal travel passes
Sensor 7 acquires the stroke signal of brake pedal 8, and by the trip signal transmission to brake monitor 6；Meanwhile brake monitor 6
Brake signal is exported by 9 collection vehicle running signal of bus, and then according to brake logic, brake signal is transferred to by cable
Piezoelectric driving circuit 22, piezoelectric driving circuit 22 implement braking force control according to brake signal to piezoelectric element 21.
Above-mentioned braking system can be integrated in whole-control system, and by left front brake unit FL, it is right before brake unit FR,
Four brake units such as left back brake unit RL and brake unit RR behind the right side are constituted, and bus 9 acquires the vehicle of chassis control system CC
Running signal, brake monitor 6 combine full-vehicle control demand to export brake signals, brake signal to four brake units respectively
The piezoelectric driving circuit 22 of four brake units is transferred to by cable, piezoelectric driving circuit 22 is according to brake signal to piezoelectricity group
Part 21 implements braking force control.
The beneficial effects of the present invention are：
A kind of highly integrated sensing-execution-energy recycle device is provided by innovative design, it can be in compact volume
The interior various functions for realizing sensor, actuator and recuperator；It can develop on this basis a variety of applied to difference
The integrated functionality device of Mechatronic Systems；The device can be applied to the rotary part in various electronic products, such as micro electronmechanical product
In CD-ROM drive shaft, the live spindle in numerically-controlled machine tool and carrier vehicle wheel etc.；
In addition, the present invention provides a kind of line control brake system can be applied to various wheeled vehicles, made relative to tradition
Dynamic system, improves braking response speed, increases brake efficiency, while also greatly simplifying structure, reducing assembly and dimension
The difficulty of shield, it is easy to accomplish the controls such as ABS, ESP；In addition the line control brake system can realize sensing and energy regenerating work(simultaneously
Can, there is preferable application prospect in fields such as new energy vehicle, intelligent driving vehicles.
Description of the drawings
Fig. 1 is a kind of embodiment of integrated sensing-execution-energy recycle device of the present invention
Fig. 2 is a kind of embodiment of piezoelectric element
Fig. 3 is another embodiment of piezoelectric element
Fig. 4 (a) is another embodiment of integrated sensing-execution-energy recycle device of the present invention
Fig. 4 (b) is the sectional view of Fig. 4 (a)
Fig. 5 is a kind of embodiment of the braking system based on above-mentioned integrated sensing-execution-energy recycle device
Fig. 6 is the wheel side arrangement schematic diagram of above-mentioned braking system
Fig. 7 is the schematic diagram that above-mentioned braking system is integrated in whole-control system
In figure：
1, rotor, 2, stator；3, tire, 4, ground, 5, energy converter, 6, brake monitor,
7, pedal travel sensor, 8, brake pedal, 9, bus, 10, energy storage units,
11, bump contact, 21, piezoelectric element, 211, piezoelectric stack, 212, wiping contact,
213, piezoelectricity overhead guard, 214, vessel, 215, displacement amplifier, 216, cable, 22, piezoelectric driving circuit,
CC, chassis control system, FL, left front brake unit, FR, it is right before brake unit,
RL, left back brake unit, RR, it is right after brake unit.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is a kind of a kind of embodiment of integrated sensing-execution-energy recycle device of the present invention, including rotor 1 and fixed
Son 2, rotor 1 is co-axially mounted with stator 2, and more than two piezoelectric element 21 is uniformly mounted on the inside of stator 2, piezoelectric element 21
Deformation direction be directed toward rotor 1 central axes, 1 outer surface of rotor has been evenly arranged more than two bump contact 11, when piezoelectricity group
When part 21 extends, bump contact 11 and the piezoelectric element 21 of 1 outer surface of rotor generate friction and collision, piezoelectric element 21 and rotor
Minimum range between 1 convex outer surfaces contact 11 is less than the deformation total length of piezoelectric element 21.
Fig. 2 shows a kind of preferred embodiment of piezoelectric element 21, the piezoelectric element 21 includes piezoelectric stack
211, wiping contact 212, piezoelectricity overhead guard 213 and vessel 214, wherein piezoelectric stack 211 and piezoelectricity overhead guard 213 are sequentially arranged at appearance
Inside chamber 214,212 bottom groove of wiping contact is slidably connected with 213 external arc surface of piezoelectricity overhead guard, avoids piezoelectric stack 211
It is impacted by lateral force；Piezoelectric stack 211 carries out signal by cable 216 with subsequent conditioning circuit and electric energy transmits.
Fig. 3 shows that another preferred embodiment of piezoelectric element 21, the piezoelectric element 21 include piezoelectric stack
211, wiping contact 212 and displacement amplifier 215, displacement amplifier 215 are amplified the deformation displacement of piezoelectric stack 211,
Wiping contact 212 is connected with 215 upper end of displacement amplifier, piezoelectric stack 211 and subsequent conditioning circuit by cable 216 carry out signal and
Electric energy transmits；A kind of scheme carrying out displacement equations using flexible hinge is merely illustrated in Fig. 3, it is also possible to there are other schemes real
Existing similar functions.
Optionally, piezoelectric element 21 can also be mounted on rotor 1, according to active force and reaction force principle, be up to
The functional effect similar with above structure.
There are three types of operating modes for energy recycle device tool for integrated sensing-execution of the present invention-, respectively：
(1) sensing modes：When the bump contact 11 of 1 outer surface of rotor generates collision, subsequent conditioning circuit pair with piezoelectric element 21
The output signal of piezoelectric element 21 is counted, and then calculates rotor 1 according to the number of contacts of 1 outer surface of rotor and signal pulse number
Rotating speed；
(2) execution pattern：According to the speed demand of rotor 1, subsequent conditioning circuit controls the energy supply of piezoelectric element 21, in turn
The extended length of piezoelectric element 21 is adjusted, so adjust rotor 1 outer surface bump contact 11 and piezoelectric element 21 it
Between frictional force, the final rotating speed for controlling rotor 1；
Preferably, the electric energy supply of multiple piezoelectric elements 21 inside stator 2 can be adjusted according to demand for control, into
And multiple piezoelectric elements 21 is made to be operated in different conditions, meet finer control demand.
(3) energy recuperation mode：When the bump contact 11 of 1 outer surface of rotor and piezoelectric element 21 generate collision, piezoelectricity
Piezoelectric stack in component 21 is compressed, and according to piezoelectric effect, piezoelectric element 21 is to follow-up circuit output electric energy.
Optionally, which may be simultaneously operated under three kinds of operating modes, i.e. shape
At a kind of integrated sensing-execution-energy recycle device；
Optionally, which can also only work any two operating modes wherein
Under：When working at the same time in sensing modes and execution pattern, self perception executor is formed；When working at the same time in sensing modes and energy
When measuring take-back model, formed from perception recuperator；When working at the same time in execution pattern and energy recuperation mode, tool is formed
There is the actuator of energy recovery function；
Optionally, which can also be only operated at one of which operating mode
Under, become single sensor, actuator or recuperator.
Fig. 4 (a) and Fig. 4 (b) shows another embodiment of integrated sensing-execution-energy recycle device, including rotor
1 and stator 2, wherein stator 2 is clamp-type stator, is installed on 1 outer edge of rotor, and more than two piezoelectric element 21 is uniformly installed
On the inside of the clamp of stator 2, the deformation direction of piezoelectric element 21 is parallel to the central axes of rotor 1, the contact of piezoelectric element 21 with
Minimum range between 1 outer surface of rotor is less than the deformation total length of piezoelectric element 21；1 outer surface of rotor has been evenly arranged sector
The more than two bump contact 11 of distribution, when piezoelectric element 21 extends, the bump contact 11 and piezoelectric element of 1 outer surface of rotor
21 generate friction and collision.
Fig. 5 and Fig. 6 shows a kind of implementation of the braking system based on above-mentioned integrated sensing-execution-energy recycle device
Example, the braking system include the rotor 1 being connected with wheel 3, the stator 2 being connected with vehicle body, the wherein piezoelectric element inside stator 2
21 carry out drive control by piezoelectric driving circuit 22, and piezoelectric driving circuit 22 carries out electric energy biography with energy converter 5 by cable
Defeated, energy converter 5 carries out electric energy transmission, piezoelectric driving circuit 22 and brake monitor by cable and energy storage units 10
6 carry out signal transmission by cable, and pedal travel sensor 7 acquires the stroke signal of brake pedal 8, and the trip signal is passed
Transport to brake monitor 6；Meanwhile brake monitor 6 is by 9 collection vehicle running signal of bus, so it is defeated according to brake logic
Go out brake signal, brake signal is transferred to piezoelectric driving circuit 22 by cable, and piezoelectric driving circuit 22 is according to brake signal pair
Piezoelectric element 21 implements braking force control.
Fig. 7 shows that above-mentioned braking system is integrated in the schematic diagram of whole-control system, and it is single that left front braking is shown
The frame diagram of first FL, it is right before behind brake unit FR, left back brake unit RL and the right side brake unit RR structure with left front braking singly
First FL is identical, and bus 9 acquires the vehicle running signal of chassis control system CC, and brake monitor 6 combines full-vehicle control demand point
Other to export brake signal to four brake units, brake signal is transferred to the piezoelectric driving circuit of four brake units by cable
22, piezoelectric driving circuit 22 implements braking force control according to brake signal to piezoelectric element 21.The braking system is brake-by-wire,
It relative to Conventional braking systems, improves braking response speed, increase brake efficiency, while also greatly simplifying structure, drop
The low difficulty of I＆ M is very easy to realize the controls such as ABS, ESP.
Above-described embodiment is merely to illustrate the present invention, wherein the structure of each component, connection type etc. are all that can be become
Change, every equivalents carried out based on the technical solution of the present invention and improvement, should not exclude the guarantor in the present invention
It protects except range.
Claims (8)
1. a kind of integrated sensing-execution-energy recycle device, including rotor (1) and stator (2), rotor (1) is same with stator (2)
Axis is installed, it is characterised in that：
More than two piezoelectric element (21) is uniformly mounted on the inside of stator (2), and the deformation direction of piezoelectric element (21) is directed toward
The central axes of rotor (1), rotor (1) outer surface have been evenly arranged more than two bump contact (11)；
There are three types of operating modes for energy recycle device tool for the integrated sensing-execution-, respectively：
(1) sensing modes：When the bump contact (11) of rotor (1) outer surface generates collision, subsequent conditioning circuit with piezoelectric element (21)
The output signal of piezoelectric element (21) is counted, and then according to the number of contacts and signal pulse number meter of rotor (1) outer surface
Calculate the rotating speed of rotor (1)；
(2) execution pattern：According to the speed demand of rotor (1), subsequent conditioning circuit controls the energy supply of piezoelectric element (21), in turn
The extended length of piezoelectric element (21) is adjusted, and then adjusts the bump contact (11) and piezoelectricity group of rotor (1) outer surface
Frictional force between part (21) finally controls the rotating speed of rotor (1)；
(3) energy recuperation mode：When the bump contact (11) of rotor (1) outer surface and piezoelectric element (21) generate collision, pressure
Piezoelectric stack in electrical component (21) is compressed, and according to piezoelectric effect, piezoelectric element (21) is to follow-up circuit output electric energy.
2. a kind of integrated sensing-execution-energy recycle device according to claim 1, it is characterised in that：
Minimum range between the piezoelectric element (21) and rotor (1) convex outer surfaces contact (11) is less than piezoelectric element
(21) deformation total length；When piezoelectric element (21) extend, the bump contact (11) and piezoelectric element of rotor (1) outer surface
(21) friction and collision are generated.
3. a kind of integrated sensing-execution-energy recycle device according to claim 1, it is characterised in that：
The piezoelectric element (21) includes piezoelectric stack (211), wiping contact (212), piezoelectricity overhead guard (213) and vessel
(214), wherein piezoelectric stack (211) and piezoelectricity overhead guard (213) are sequentially arranged at vessel (214) inside, wiping contact (212) bottom
Portion's groove is slidably connected with piezoelectricity overhead guard (213) external arc surface；Piezoelectric stack (211) passes through cable (216) with subsequent conditioning circuit
Carry out signal and electric energy transmission.
4. a kind of integrated sensing-execution-energy recycle device according to claim 1, it is characterised in that：
The piezoelectric element (21) includes piezoelectric stack (211), wiping contact (212) and displacement amplifier (215), and displacement is put
Big device (215) is amplified the deformation displacement of piezoelectric stack (211), wiping contact (212) and displacement amplifier (215) upper end
It is connected, piezoelectric stack (211) carries out signal by cable (216) with subsequent conditioning circuit and electric energy transmits.
5. a kind of integrated sensing-execution-energy recycle device according to claim 1, it is characterised in that：
Integrated sensing-execution-the energy recycle device works at the same time under three kinds of operating modes, or only work wherein any two
Under operating mode, or only it is operated under one of which operating mode.
6. a kind of integrated sensing-execution-energy recycle device according to claim 1, it is characterised in that：
The electric energy supply of the internal multiple piezoelectric elements (21) of the stator (2) is adjusted according to demand for control, and then makes
Multiple piezoelectric elements (21) are operated in different conditions.
7. a kind of system based on any one of claim 1 to claim 6 integrated sensing-execution-energy recycle device
Dynamic system includes the rotor (1) being connected with wheel (3), the stator (2) being connected with vehicle body, it is characterised in that：
The stator (2) is internally provided with more than two piezoelectric element (21), and piezoelectric element (21) is by piezoelectric driving circuit
(22) drive control is carried out, piezoelectric driving circuit (22) carries out electric energy transmission, energy conversion with energy converter (5) by cable
Device (5) carries out electric energy transmission by cable and energy storage units (10), and piezoelectric driving circuit (22) is logical with brake monitor (6)
It crosses cable and carries out signal transmission, pedal travel sensor (7) acquires the stroke signal of brake pedal (8), and by the trip signal
It is transmitted to brake monitor (6)；
Brake monitor (6) exports brake signal, system by bus (9) collection vehicle running signal, and then according to brake logic
Dynamic signal is transferred to piezoelectric driving circuit (22) by cable, and piezoelectric driving circuit (22) is according to brake signal to piezoelectric element
(21) implement braking force control.
8. braking system according to claim 7, it is characterised in that：
The braking system includes brake unit (FR), left back brake unit (RL) and the right side before left front brake unit (FL), the right side
Brake unit (RR) afterwards, bus (9) acquire the vehicle running signal of chassis control system (CC), and brake monitor (6) combines whole
Vehicle demand for control exports brake signal to four brake units (FL, FR, RL, RR) respectively, and brake signal is transferred to by cable
The piezoelectric driving circuit (22) of four brake units (FL, FR, RL, RR), piezoelectric driving circuit (22) is according to brake signal to pressure
Electrical component (21) implements braking force control.
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| CN201611024275.4A CN106374685B (en) | 2016-11-03 | 2016-11-03 | A kind of integrated sensing-execution-energy recycle device and braking system |
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|---|---|---|---|
| CN201611024275.4A CN106374685B (en) | 2016-11-03 | 2016-11-03 | A kind of integrated sensing-execution-energy recycle device and braking system |
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| CN106374685A CN106374685A (en) | 2017-02-01 |
| CN106374685B true CN106374685B (en) | 2018-09-21 |
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| CN107246911A (en) * | 2017-06-09 | 2017-10-13 | 西南交通大学 | A kind of passive detection device of utilization piezoelectric structure |
| CN108215804B (en) * | 2018-01-29 | 2020-11-03 | 山东交通学院 | Braking energy regeneration device of electric automobile |
| CN110154770A (en) * | 2018-01-29 | 2019-08-23 | 山东交通学院 | A kind of electric car piezoelectric ceramics regenerative braking device |
| CN110474559B (en) * | 2019-09-02 | 2021-04-30 | 西南交通大学 | Composite friction generator |
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| JP4483275B2 (en) * | 2003-02-05 | 2010-06-16 | 株式会社デンソー | Multilayer piezoelectric element and method for manufacturing the same |
| CN101071998B (en) * | 2007-04-05 | 2010-09-08 | 南京航空航天大学 | Square-wave driving inertia linear piezoelectric motor |
| JP2012037047A (en) * | 2010-07-13 | 2012-02-23 | Nippon Dempa Kogyo Co Ltd | Braking device, transportation equipment and industrial equipment |
| CN105406764A (en) * | 2015-11-24 | 2016-03-16 | 南京工业职业技术学院 | Rotary type piezoelectric generator apparatus |
| CN105620439B (en) * | 2016-03-07 | 2018-07-27 | 孙振 | Brake system of car |
| CN106059387B (en) * | 2016-06-15 | 2017-11-17 | 浙江师范大学 | A kind of radial direction tension and compression encourage rotary piezoelectric generator |
| CN206195558U (en) * | 2016-11-03 | 2017-05-24 | 吉林大学 | Integrated sensing carry out energy recuperation device and braking system |
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