CN203093669U - Automobile suspension stiffness regulating device based on single chip microcomputer - Google Patents
Automobile suspension stiffness regulating device based on single chip microcomputer Download PDFInfo
- Publication number
- CN203093669U CN203093669U CN 201220725290 CN201220725290U CN203093669U CN 203093669 U CN203093669 U CN 203093669U CN 201220725290 CN201220725290 CN 201220725290 CN 201220725290 U CN201220725290 U CN 201220725290U CN 203093669 U CN203093669 U CN 203093669U
- Authority
- CN
- China
- Prior art keywords
- suspension
- automobile suspension
- micro controller
- controller system
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses an automobile suspension stiffness regulating device based on a single chip microcomputer. The automobile suspension stiffness regulating device comprises an automobile body state sensor, an analog quantity conditioning module, the single chip microcomputer, a suspension control actuator and an air valve control rod which are connected in sequence. The automobile suspension stiffness regulating device has the advantages of being high in safety performance, convenient to use, low in cost, quick in response, and accurate in control, and vehicles have good smoothness and operation stability in the driving process.
Description
Technical field
The utility model belongs to vehicle electronics and appliance applications technical field, relates to a kind of SCM Based automobile suspension rigidity governing device.
Background technology
Automotive suspension is the general name of all load transfer devices between vehicle body and the wheel.Its effect be the road surface act on the vertical power on the wheel, the moment that longitudinal force and side force and these counter-forces caused all is delivered on the vehicle body. to guarantee the cruising of automobile.Along with developing of automobile industry, people require more and more higher to ride of vehicle (traveling comfort of promptly taking).In traditional suspension system designs, if demanding riding comfort just is difficult to satisfy road-holding property.In order to overcome the limitation of conventional suspension systems, modern automobile adopts and has developed later-model automobile suspension rigidity governing device, this device can be regulated suspension rate according to different pavement conditions, load-carrying quality, moving velocity, thereby makes the riding comfort of vehicle and road-holding property be issued to best combination at various driving conditions.At present, rigidity is regulated suspension, and widespread usage is at import high-grade car such as Audi, BMW, Passat, Buick, and high-grade cross-country car such as Lu Hu etc. also regulate suspension with rigidity and be equipped with as standard.Therefore, design a kind of low cost, the performance-oriented automobile suspension rigidity governing device that satisfies the stability requirement of chaufeur riding comfort and automobile, for domestic low and middle-end car very high marketable value will be arranged, also the comfortable driving tool to people has very important significance.
Summary of the invention
The purpose of this utility model is, a kind of SCM Based automobile suspension rigidity governing device is provided, and this device utilizes the control of micro controller system to replace conventional manual Control of Automobile suspension, the motion of automatic guidance automotive suspension and then adjusting suspension rate.
In order to realize above-mentioned task, the utility model is taked following technical solution:
A kind of SCM Based automobile suspension rigidity governing device, comprise the vehicle body state sensor, also comprise the analog quantity conditioning module, micro controller system, suspension control actr and air valve control stalk, wherein vehicle body state sensor, analog quantity conditioning module, micro controller system, suspension control actr link to each other successively with the air valve control stalk.On automobile, be provided with the vehicle body state sensor, sensor sends the signal of vehicle body state to the suspension control unit, control unit changes the suspension state of kinematic motion by suspension control actr, and then regulates suspension rate, and wherein control unit is linked to each other with micro controller system by the analog quantity conditioning module.
Other characteristics of the present utility model are:
Described vehicle body state sensor is become by car speed sensor, throttle position sensor, height sensor, steering angle sensor and groups of acceleration sensors.
Described micro controller system adopts the AT89C51 micro controller system.
Described analog quantity conditioning module adopts the ADC0804 chip.
SCM Based automobile suspension rigidity governing device of the present utility model, utilize Single-chip Controlling to replace conventional manual Control of Automobile suspension, be provided with the vehicle body state sensor, this sensor is converted to electric impulse signal with the vehicle body status signal that obtains, signal is converted to digital signal by analog quantity conditioning module ADC0804, and then send micro controller system to, micro controller system is controlled actr through giving suspension with control signal after the calculation process, make actr produce certain mechanical action, change the Air Valve Control bar rotation of air bellow air cylinder, thereby change main, the compressed gas flow of auxilliary air chamber is realized the adjusting of suspension rate.Have the safety performance height, easy to use, cost is low, response is quick, and advantages such as precise control make vehicle have good ride comfort and road-holding property in the process of moving.
Description of drawings
Fig. 1 is an overall structure scheme drawing of the present utility model;
Fig. 2 is an AT89C51 micro controller system pin distribution graph of the present utility model;
Fig. 3 is an analog quantity conditioning module ADC0804 pin distribution graph of the present utility model
Fig. 4 is a program flow diagram of the present utility model.
Below in conjunction with accompanying drawing the utility model is described in further detail.
The specific embodiment
Referring to shown in Figure 1, the SCM Based automobile suspension rigidity governing device that the utility model has provided, comprise the vehicle body state sensor, it is characterized in that: also comprise the analog quantity conditioning module, micro controller system, suspension control actr and air valve control stalk, wherein vehicle body state sensor, analog quantity conditioning module, micro controller system, suspension control actr link to each other successively with the air valve control stalk.
On automobile, be provided with the vehicle body state sensor, sensor sends the signal of vehicle body state to the suspension control unit, control unit changes the suspension state of kinematic motion by suspension control actr, and then regulates suspension rate, and wherein control unit is linked to each other with micro controller system by the analog quantity conditioning module.
In the present embodiment, the vehicle body state sensor comprises car speed sensor, throttle position sensor, height sensor, steering angle sensor, acceleration pick-up.Micro controller system adopts the AT89C51 micro controller system, and the analog quantity conditioning module adopts the ADC0804 chip.When the vehicle body state sensor is converted to electric impulse signal with the vehicle body status signal that obtains, signal is converted to digital signal by analog quantity conditioning module ADC0804, and then send single chip computer AT 89C51 to, micro controller system is controlled actr through giving suspension with control signal after the calculation process, make actr produce certain mechanical action, change the Air Valve Control bar rotation of air bellow air cylinder, thereby the compressed gas flow that changes main and auxiliary air chamber is realized the adjusting of suspension rate.
Hardware design mainly comprises AT89C51 micro controller system pin distribution design, analog quantity conditioning module ADC0804 design.
Referring to Fig. 2, AT89C51 and MCS-51 product instruction repertoire are compatible fully, have the 4k byte and can repeat the Flash erase/write flash memory, 1000 erase-write cycles, three grades of encipheror memory devices, have 1288 byte inner RAM, 32 programmable I/O mouth lines, 2 16 bit timing counting machines, 6 interrupt sources, serial UART passage able to programme has low-power consumption free time and power-down mode.Its pin distribution graph as shown in Figure 2.
Referring to Fig. 3, the ADC0804 chip is 8 single channel A and D converters, the electric impulse signal that Hall element is obtained is converted to digital signal, be approximately 100us transfer time, make things convenient for TTL or CMOS interface, can satisfy the differential voltage input, include clock generator, operating voltage 5V, input voltage are 0 ~ 5V, and conversion value is 0 ~ 255.Its pin distribution graph as shown in Figure 3.
Referring to Fig. 4, be workflow diagram of the present utility model, when the vehicle body state sensor is converted to electric impulse signal with the vehicle body status signal that obtains, signal is converted to digital signal by analog quantity conditioning module ADC0804, and then send single chip computer AT 89C51 to, micro controller system is controlled actr through giving suspension with control signal after the calculation process, make actr produce certain mechanical action, change the Air Valve Control bar rotation of air bellow air cylinder, thereby the compressed gas flow that changes main and auxiliary air chamber is realized the adjusting of suspension rate.
Claims (4)
1. SCM Based automobile suspension rigidity governing device, comprise the vehicle body state sensor, it is characterized in that: also comprise the analog quantity conditioning module, micro controller system, suspension control actr and air valve control stalk, wherein vehicle body state sensor, analog quantity conditioning module, micro controller system, suspension control actr link to each other successively with the air valve control stalk.
2. SCM Based automobile suspension rigidity governing device as claimed in claim 1 is characterized in that: described vehicle body state sensor is become by car speed sensor, throttle position sensor, height sensor, steering angle sensor and groups of acceleration sensors.
3. SCM Based automobile suspension rigidity governing device as claimed in claim 1 is characterized in that: described micro controller system adopts the AT89C51 micro controller system.
4. SCM Based automobile suspension rigidity governing device as claimed in claim 1 is characterized in that: described analog quantity conditioning module adopts the ADC0804 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725290 CN203093669U (en) | 2012-12-25 | 2012-12-25 | Automobile suspension stiffness regulating device based on single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725290 CN203093669U (en) | 2012-12-25 | 2012-12-25 | Automobile suspension stiffness regulating device based on single chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203093669U true CN203093669U (en) | 2013-07-31 |
Family
ID=48845100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220725290 Expired - Fee Related CN203093669U (en) | 2012-12-25 | 2012-12-25 | Automobile suspension stiffness regulating device based on single chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203093669U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847455A (en) * | 2014-02-20 | 2014-06-11 | 南京航空航天大学 | Suspension adjustment device for vehicle driving in curve |
| CN104034535A (en) * | 2014-06-18 | 2014-09-10 | 上海理工大学 | Variable-stiffness virtual vehicle body |
| CN113933075A (en) * | 2020-06-03 | 2022-01-14 | 合肥工业大学 | Variable-rigidity plate spring management system |
-
2012
- 2012-12-25 CN CN 201220725290 patent/CN203093669U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847455A (en) * | 2014-02-20 | 2014-06-11 | 南京航空航天大学 | Suspension adjustment device for vehicle driving in curve |
| CN104034535A (en) * | 2014-06-18 | 2014-09-10 | 上海理工大学 | Variable-stiffness virtual vehicle body |
| CN113933075A (en) * | 2020-06-03 | 2022-01-14 | 合肥工业大学 | Variable-rigidity plate spring management system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103057605B (en) | The spoiler of height and tilt adjustable controls device and control method thereof | |
| CN203093669U (en) | Automobile suspension stiffness regulating device based on single chip microcomputer | |
| CN101561353B (en) | Brake-by-wire and steer-by-wire hardware-in-the-loop test bench for vehicle | |
| CN107891723B (en) | Sliding mode control method and device for automobile electric control air suspension | |
| CN203020004U (en) | Automotive suspension electric control device based on single chip microcomputer | |
| CN203172385U (en) | Adjuster for damping factor of car suspension | |
| CN2926663Y (en) | Intelligent pneumatic spring | |
| CN204688239U (en) | A kind of electronlmobil spoiler draw off gear | |
| CN101700741A (en) | Control switch device of automobile constant-speed cruise system | |
| CN206171555U (en) | Damping formula industry vehicle turns to device | |
| CN202753790U (en) | Vehicle speed limiting device by limiting motor rotation speed | |
| CN106080084A (en) | A kind of vehicle suspension electric-control system | |
| CN202911501U (en) | Intelligent electric control system for air suspension of automobile | |
| CN103847455A (en) | Suspension adjustment device for vehicle driving in curve | |
| CN203110871U (en) | Automotive suspension height adjustment device based on single-chip microcomputer | |
| CN201464187U (en) | Vehicle hardware-in-the-loop testing stand integrated with brake-by-wire and steer-by-wire | |
| CN202833811U (en) | Adjustable electromagnetic damper | |
| CN202294309U (en) | Automobile cruise control device | |
| CN205870589U (en) | Adjustable rigidity robot joint structure | |
| CN204688240U (en) | A kind of automobile spoiler draw off gear of fluid control | |
| CN203420789U (en) | Automobile idle speed control valve | |
| CN202884150U (en) | Air control rapid air evacuation valve | |
| CN202631523U (en) | Novel in-car gasoline gas concentration monitoring device | |
| CN202055921U (en) | Electronic throttle pedal | |
| CN202389481U (en) | Flow deflection device for automobile wheels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20131225 |