CN107225916B - Electric car air pressure based on road shock model adjusts system and method - Google Patents
Electric car air pressure based on road shock model adjusts system and method Download PDFInfo
- Publication number
- CN107225916B CN107225916B CN201710485396.7A CN201710485396A CN107225916B CN 107225916 B CN107225916 B CN 107225916B CN 201710485396 A CN201710485396 A CN 201710485396A CN 107225916 B CN107225916 B CN 107225916B
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- Prior art keywords
- tire
- central controller
- electric car
- limit value
- air pump
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/001—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/10—Arrangement of tyre-inflating pumps mounted on vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a kind of, and the electric car air pressure based on road shock model adjusts system, it include the shock sensor being fixed on vehicle frame and the tyre pressure automatic regulating apparatus being arranged on tire in its structure, the latter includes one group of buffering pair tire that electric automobile sidewall face is arranged in fitting, this, which is buffered, is connected between secondary tire and tire by least one set of air flue, one group of two-way air pump is provided on this air flue, the either side of two-way air pump is arranged or one group of solenoid valve is respectively set in its two sides herein；Tire and the secondary tire of buffering are internally provided with baroceptor.The present invention, which can be changed according to road-scene by tire pressure, carries out multistage intelligent regulation to the vehicle driving condition of electric car.
Description
Technical field
The present invention relates to intelligent, automatic electric automobile technical field more particularly to electric car tyre pressure are automatic
Adjust systems technology.
Background technique
Through retrieving, relevant first technological document mainly includes several following.
Xu Hao etc. has declared motor vehicle tyre pressure regulator patent (rejection), and the patent is related to rubber-tyred motor vehicle
Manufacture can solve and some not have or the vehicle of air pump not easy to install quickly adjusts tire pressure when manufacture uses and repairs
The problem of, reach motor vehicle from relieving and helps；It according to internal combustion engine of motor vehicle mechanical realization working principle, be made spark plug type internal and
Oil spout type after internal combustion engine of motor vehicle cylinder capable of being connected with tire, closes throttle, removes intake port fuel；By hand, foot
It steps on or electrically actuated engine, tyre pressure can be adjusted in short-term using needing intensity.
Guo Si is neat etc. to have declared tire anti-explosion system patent (still in substantive examination), including explosion protection system main body and is mounted on vehicle
Interior control host, wherein explosion protection system main body mainly monitors system, vehicle-speed monitoring by tire condition monitoring system, stress distribution
System, braking system and tire are constituted, and tire condition monitoring system is made of the tire temperature tire pressure monitoring instrument being mounted on tire, energy
Enough have comprehensive detection for tire, simultaneously for after blowing out vehicle condition safety and form state adjust in time, to drop
The low generation of peril.
Zhang Bingyan etc. has declared two-functional automatic tyre inflator patent (failure), is that one kind had both retained existing inflate
Valve mechanism, and the difunctional self-filler equipped with automatic inflation mechanism when driving a vehicle are installed in valve cock lower end
One is closed in the pump balloon of tire inner cavity, and when car is advanced, ground squeezes tire to oppress pump balloon, will inhale in ball
Full air is depressed into tire, and after leaving ground herein, pump balloon is flicked, and by the gas nozzle of upper part from atmosphere air-breathing.
As it can be seen that at present in electric vehicle engineering field, there is not yet relevant to tyre pressure adjust automatically and alarm system
Technical report, the present invention are the pioneering innovation researches based on " national new-energy automobile technical innovating engineering ".
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of, and the electric car air pressure based on road shock model adjusts system
System and method can be changed by tire pressure according to road-scene and carry out multistage intelligent tune to the vehicle driving condition of electric car
Control.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
Electric car air pressure based on road shock model adjusts system, which passes through the tyre pressure to electric car
It is adjusted and realizes that road pavement traveling vibration fact carries out automation and intelligentized adjustment, include being fixed in structure
Vehicle frame or the shock sensor being arranged on any component of the vehicle body affixed with vehicle frame and the tyre pressure being arranged on tire
Automatic regulating apparatus, and the shock sensor, tyre pressure automatic regulating apparatus respectively with one group of central controller communication link
It connects；The tyre pressure automatic regulating apparatus includes one group of buffering pair tire that electric automobile sidewall face is arranged in fitting, this is slow
It rushes between secondary tire and tire and is connected by least one set of air flue, one group of two-way air pump is provided on this air flue, herein two-way gas
The either side of pump is arranged or one group of solenoid valve is respectively set in its two sides；The tire and/or the secondary tire of buffering are internally provided with
Baroceptor.
As a preferred technical solution of the present invention, the secondary tire of the buffering is in the disk bodily form or oval shape, outer diameter
Less than the outer diameter of the tire.
As a preferred technical solution of the present invention, the equalizing and buffering pair tire is in circular ring shape, and outer diameter is less than described
The outer diameter of tire.
As a preferred technical solution of the present invention, the medial surface for buffering secondary tire and the tire being set, tire
And/or it buffers and is additionally provided with individually inflation valve port on secondary tire.
As a preferred technical solution of the present invention, a group alarm display is additionally provided on automobile instrument panel.
As a preferred technical solution of the present invention, the signal input part of the baroceptor and central controller is logical
Letter connection, the two-way air pump, solenoid valve and attention display are communicated to connect with the signal output end of central controller respectively.
Electric car air pressure method of adjustment based on road shock model, central controller receive from shock sensor
Digitlization magnitude of vibrations based on vehicle body vertical direction acceleration, when the average magnitude of vibrations in certain period is higher than limit value
When, central controller opens the solenoid valve on air flue and controls two-way air pump simultaneously from tire to secondary tire pump gas is buffered, and works as tire
Central controller closes the solenoid valve and two-way air pump on air flue when being decompressed to limit value；And when the average vibration width in certain period
When value is reduced to setting value, central controller opens the solenoid valve on air flue and controls two-way air pump simultaneously from buffering secondary tire to vehicle
Tire pumps gas, and central controller closes the solenoid valve and two-way air pump on air flue after tire is pressurized to normal tire pressure limit value.
As a kind of optimal technical scheme of the above method, the average shake that multiple groups successively increase is set in central processing unit
Dynamic amplitude limit value V1、V2、……、Vn, it is arranged in a one-to-one correspondence the tire decompression limit value P that multiple groups successively reduce1、P2、……、Pn, from
And realize the system regulation of multipolarity, realize that the tire of degree of correspondence depressurizes operation on different vibration road surfaces；It is described average
Magnitude of vibrations limit value VnLimit value P is depressurized with tirenBetween follow linear inverse relation, proportionality coefficient and increase and decrease constant are according to vehicle
Type and load-carrying determine.
As a kind of optimal technical scheme of the above method, when the period mean value of magnitude of vibrations is lower than a certain limit value value Vn
When, central controller controls the attention display being arranged on automobile instrument panel simultaneously and carries out corresponding alarm indication.
As a kind of optimal technical scheme of the above method, the mean value value slot setup of average magnitude of vibrations is 5-15s.
The beneficial effects of adopting the technical scheme are that
It is connected between buffering pair tire and tire of the invention by air flue, one group of two-way air pump and one is provided on air flue
Group solenoid valve, in this way, opening solenoid valve when baroceptor monitors that tire pressure is higher than setting value by central controller and opening
Two-way air pump is moved, pumps gas from tire to secondary tire is buffered；It is on the contrary then pump gas to tire from buffering secondary tire, tire gas can be both realized in this way
The autobalance and adjustment of pressure.In the driving process of electric car, when the average magnitude of vibrations in certain period is higher than limit value
When, central controller opens the solenoid valve on air flue and controls two-way air pump simultaneously from tire to secondary tire pump gas is buffered, and works as tire
Central controller closes the solenoid valve and two-way air pump on air flue when being decompressed to limit value；Vice versa.Finally realize according to road
Face fact carries out multistage intelligent regulation to the tire pressure variation of electric car and vehicle driving condition.
Further, the present invention can set the average magnitude of vibrations limit value V that multiple groups successively increase in central processing unit1、
V2、……、Vn, it is arranged in a one-to-one correspondence the tire decompression limit value P that multiple groups successively reduce1、P2、……、Pn, multistage can be both realized in this way
The system regulation of change realizes that the tire of degree of correspondence depressurizes operation on different degrees of vibration road surface.
Particularly, in the present invention, certain pressure is stored due to buffering secondary tire itself, so that in both itself and tire
Air pressure substantial equilibrium in portion's is at least not much different, to be greatly improved the feasibility and operation effect of two-way air pump operation
Rate has good practical function.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a specific embodiment of the invention.
In figure: tire 1, buffer secondary tire 2, air flue 3, two-way air pump 4, solenoid valve 5, baroceptor 6, attention display 7,
Inflate valve port 8, shock sensor 9, central controller 10.
Specific embodiment
The hardware configuration and electric control structure of embodiment 1, electric car air pressure adjustment system.
Referring to attached drawing, the present invention cooperates gas by one group of buffering pair tire system being connected to tire internal dynamic of setting
The adjust automatically and alarm that realization electric car tyre pressure is used in combination of pressure sensor, central controller.Specifically, this hair
The medial surface (i.e. below chassis) of the tire 1 of bright fitting electric car is fixedly installed one group of buffering pair tire 2, and tire 1 is gentle
It rushes inside secondary tire 2 and is provided with baroceptor 6 and individually inflation valve port 8, buffering secondary tire 2 is in oblate dish type, and outer diameter is
It 0.8 times or so of 1 outer diameter of tire and affixed with tire, buffers and is connected between secondary tire 2 and tire 1 by one group of air flue 3, this gas
One group of two-way air pump 4 is provided on road 3, the either side of two-way air pump 4 is arranged or one group of electricity is respectively set in its two sides herein
Magnet valve 5.In terms of electrical control, the signal input part of baroceptor 6 and electric car central controller 10 is enabled to communicate to connect,
And enable attention display 7 on two-way air pump 4, solenoid valve 5 and one group of setting automobile instrument panel respectively with central controller 10
Signal output end communication connection.
The control flow and method of embodiment 2, electric car air pressure adjustment system.
Referring to attached drawing, in the driving process of electric car, central controller 10 receives the number from shock sensor 9
Change magnitude of vibrations (acceleration information of reaction vehicle body vertical direction), when the average shake for (usually removing 10s or so) in certain period
When dynamic amplitude is higher than limit value, central controller 10 controls the attention display 7 being arranged on automobile instrument panel and carries out corresponding alarm
It has been shown that, and open simultaneously the solenoid valve 5 on air flue 3 and control two-way air pump 4 simultaneously and pump gas from tire 1 to secondary tire 2 is buffered, work as vehicle
Central controller 10 closes the solenoid valve 5 and two-way air pump 4 on air flue 3 when tire 1 is decompressed to limit value；And when flat in certain period
When equal magnitude of vibrations is reduced to setting value, central controller 10 opens the solenoid valve 5 on air flue 3 and controls two-way air pump 4 simultaneously
Gas is pumped to tire 1 from buffering secondary tire 2, central controller 10 closes the electricity on air flue 3 after tire 1 is pressurized to normal tire pressure limit value
Magnet valve 5 and two-way air pump 4；It can be realized more according to tire pressure variation and vehicle driving condition progress of the road-scene to electric car
Grade intelligent control.
Foregoing description is only proposed as the enforceable technical solution of the present invention, not as to the single of its technical solution itself
Restrictive condition.
Claims (4)
- Include 1. the electric car air pressure method of adjustment based on road shock model, in hardware configuration be fixed at vehicle frame or The shock sensor (9) being arranged on any component of the vehicle body affixed with vehicle frame and the tyre pressure being arranged on tire are automatic Device is adjusted, and the shock sensor (9), tyre pressure automatic regulating apparatus are communicated with one group of central controller (10) respectively Connection；The tyre pressure automatic regulating apparatus includes one group buffering pair tire of the fitting setting in electric car tire (1) side (2), this buffers and is connected between secondary tire (2) and tire (1) by least one set of air flue (3), is provided with one group on this air flue (3) Two-way air pump (4), the either side of two-way air pump (4) is arranged or one group of solenoid valve (5) is respectively set in its two sides herein；It is described Tire (1) and/or the secondary tire (2) of buffering are internally provided with baroceptor (6)；The medial surface in the tire (1) is arranged in the secondary tire (2) of buffering, also sets up on tire (1) and/or the secondary tire (2) of buffering There is individually inflation valve port (8)；A group alarm display (7) is additionally provided on automobile instrument panel；The signal input part of the baroceptor (6) and central controller (10) communicates to connect, the two-way air pump (4), electricity Magnet valve (5) and attention display (7) are communicated to connect with the signal output end of central controller (10) respectively；It is characterized by: central controller (10) receiving is from shock sensor (9) using vehicle body vertical direction acceleration as base The digitlization magnitude of vibrations of plinth, when the average magnitude of vibrations in certain period is higher than limit value, central controller (10) opens gas Solenoid valve (5) on road (3) simultaneously controls two-way air pump (4) simultaneously and pumps gas from tire (1) to secondary tire (2) is buffered, when tire (1) subtracts Central controller (10) closes the solenoid valve (5) and two-way air pump (4) on air flue (3) when being depressed into limit value；And when in certain period Average magnitude of vibrations when being reduced to setting value, central controller (10) is opened the solenoid valve (5) on air flue (3) and is controlled simultaneously Two-way air pump (4) pumps gas, central controller after tire (1) is pressurized to normal tire pressure limit value to tire (1) from buffering secondary tire (2) (10) solenoid valve (5) and two-way air pump (4) on air flue (3) are closed.
- 2. the electric car air pressure method of adjustment according to claim 1 based on road shock model, it is characterised in that: The average magnitude of vibrations limit value V that setting multiple groups successively increase in central processing unit1、V2、……、Vn, be arranged in a one-to-one correspondence multiple groups according to Secondary reduced tire depressurizes limit value P1、P2、……、Pn, so that the system regulation of multipolarity is realized, on different vibration road surfaces Realize that the tire of degree of correspondence depressurizes operation；The average magnitude of vibrations limit value VnLimit value P is depressurized with tirenBetween follow it is linear Inverse relation, proportionality coefficient and increase and decrease constant are determined according to vehicle and load-carrying.
- 3. the electric car air pressure method of adjustment according to claim 1 based on road shock model, it is characterised in that: when The period mean value of magnitude of vibrations is lower than a certain limit value value VnWhen, central controller (10) controls simultaneously to be arranged in automobile instrument panel On attention display (7) carry out corresponding alarm indication.
- 4. the electric car air pressure method of adjustment according to claim 1 based on road shock model, it is characterised in that: flat The mean value value slot setup of equal magnitude of vibrations is 5-15s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485396.7A CN107225916B (en) | 2017-06-23 | 2017-06-23 | Electric car air pressure based on road shock model adjusts system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485396.7A CN107225916B (en) | 2017-06-23 | 2017-06-23 | Electric car air pressure based on road shock model adjusts system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107225916A CN107225916A (en) | 2017-10-03 |
| CN107225916B true CN107225916B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710485396.7A Expired - Fee Related CN107225916B (en) | 2017-06-23 | 2017-06-23 | Electric car air pressure based on road shock model adjusts system and method |
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| Country | Link |
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| CN (1) | CN107225916B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021133296A1 (en) * | 2019-12-27 | 2021-07-01 | Turkiye'nin Otomobili Girisim Grubu Sanayi Ve Ticaret A.S. | Tyre pressure regulation system |
| CN112879654B (en) * | 2021-01-27 | 2023-03-17 | 中国汽车工程研究院股份有限公司 | Automatic opening system for large-area pressure release valve in vehicle |
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| CN101628529A (en) * | 2008-07-15 | 2010-01-20 | 中国北方车辆研究所 | Center tyre inflation/deflation system with tyre protecting function |
| CN101879845A (en) * | 2010-07-28 | 2010-11-10 | 中国北方车辆研究所 | Air pump control air circuit for central tire inflation/deflation system |
| CN202080074U (en) * | 2011-05-30 | 2011-12-21 | 山东理工大学 | Device capable of automatically adjusting tire pressure according to pavement conditions |
| CN103009929A (en) * | 2012-12-28 | 2013-04-03 | 江苏大学 | Anti-explosion automobile tire based on main-secondary tire structure |
| CN103770581A (en) * | 2013-10-10 | 2014-05-07 | 广西科技大学 | Intelligent control system of automobile tire pressure adjustment system |
| CN103879242A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Vehicle and dynamic tyre inflation system thereof |
| CN204526676U (en) * | 2015-04-24 | 2015-08-05 | 东北石油大学 | Automatically the device of tire pressure is adjusted according to condition of road surface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120234447A1 (en) * | 2011-03-17 | 2012-09-20 | Joseph Andrew Narloch | Automatic tire inflation system |
-
2017
- 2017-06-23 CN CN201710485396.7A patent/CN107225916B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628529A (en) * | 2008-07-15 | 2010-01-20 | 中国北方车辆研究所 | Center tyre inflation/deflation system with tyre protecting function |
| CN101879845A (en) * | 2010-07-28 | 2010-11-10 | 中国北方车辆研究所 | Air pump control air circuit for central tire inflation/deflation system |
| CN202080074U (en) * | 2011-05-30 | 2011-12-21 | 山东理工大学 | Device capable of automatically adjusting tire pressure according to pavement conditions |
| CN103879242A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Vehicle and dynamic tyre inflation system thereof |
| CN103009929A (en) * | 2012-12-28 | 2013-04-03 | 江苏大学 | Anti-explosion automobile tire based on main-secondary tire structure |
| CN103770581A (en) * | 2013-10-10 | 2014-05-07 | 广西科技大学 | Intelligent control system of automobile tire pressure adjustment system |
| CN204526676U (en) * | 2015-04-24 | 2015-08-05 | 东北石油大学 | Automatically the device of tire pressure is adjusted according to condition of road surface |
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| Publication number | Publication date |
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| CN107225916A (en) | 2017-10-03 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190507 Address after: 214000 Jiangsu Wuxi Huishan industrial transformation cluster area north Hui Road Patentee after: Liuzhou Kai Oriental Automobile Co. Ltd. Address before: 054800 West Wagong Avenue South of Fengharvest Canal, Qinghe County, Xingtai City, Hebei Province Patentee before: Hebei Royal times Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 Termination date: 20200623 |