CN212950025U - Adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle - Google Patents
Adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle Download PDFInfo
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- CN212950025U CN212950025U CN202021292974.9U CN202021292974U CN212950025U CN 212950025 U CN212950025 U CN 212950025U CN 202021292974 U CN202021292974 U CN 202021292974U CN 212950025 U CN212950025 U CN 212950025U
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- adjustable damping
- cdc
- shock absorber
- damping shock
- acceleration sensor
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- 238000013016 damping Methods 0.000 title claims abstract description 74
- 230000001133 acceleration Effects 0.000 title claims abstract description 58
- 239000006096 absorbing agent Substances 0.000 claims abstract description 48
- 230000035939 shock Effects 0.000 claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000011217 control strategy Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses an adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle, including controller ECU, the fault network, a power supply, ignition switch, the mode switch, the CAN network, the adjustable damping shock absorber of CDC before a left side, the adjustable damping shock absorber of right preceding CDC, the adjustable damping shock absorber of CDC after left side and the adjustable damping shock absorber of CDC after the right side, the three-dimensional acceleration sensor has been integrateed to controller ECU inside, controller ECU gathers three-dimensional acceleration sensor's vertical acceleration information in real time and controls the adjustment to four adjustable damping shock absorbers of CDC, controller ECU gathers three-dimensional acceleration sensor's lateral acceleration information and longitudinal acceleration information in real time and controls the gesture of automobile body. The utility model discloses can simplify system's structure, reduction in production cost greatly under the prerequisite of guaranteeing the basic motion performance of vehicle.
Description
Technical Field
The utility model relates to a vehicle suspension system control field particularly, relates to an adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle.
Background
The automobile suspension system is a connecting structure system between a frame and wheels, and mainly has the functions of transmitting force and moment between the wheels and the frame, buffering impact force transmitted to the frame or an automobile body from an uneven road surface and attenuating vibration generated by the impact force. In order to quickly attenuate the vibration of the frame and the vehicle body and improve the smoothness and comfort of the running of the vehicle, the suspension system of the vehicle is provided with a damper.
In order to control a damper and optimize the driving performance of a vehicle, a skyhook damping control strategy is generally adopted in the existing vehicle damping control, as shown in fig. 2, damping is adjusted by using the absolute speed of a vehicle body and the direction of the relative speed of the vehicle body and wheels, a system generally adopts four displacement sensors and three vehicle body acceleration sensors, or adopts two wheel acceleration sensors and three vehicle body acceleration sensors, and the number of sensors and wire harnesses is large, so that the problems of cost, faults and the like are more.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle can simplify damping control system's structure, reduction in production cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an integrated three-way acceleration sensor adjustable damping control device for a vehicle, comprising: the controller ECU acquires vertical acceleration information of the three-way acceleration sensor in real time to control and adjust the front left CDC adjustable damping shock absorber, the front right CDC adjustable damping shock absorber, the rear left CDC adjustable damping shock absorber and the rear right CDC adjustable damping shock absorber, the controller ECU acquires transverse acceleration information and longitudinal acceleration information of the three-way acceleration sensor in real time to control the posture of the vehicle body, and the controller ECU controls the vehicle body through the electric wire and the fault network, the power supply, the ignition switch, the mode switch, the CAN network, the front left CDC adjustable damping shock absorber, the front right CDC adjustable damping shock absorber, the rear right CDC adjustable damping shock absorber and the rear right CDC adjustable damping shock absorber, The left rear CDC adjustable damping shock absorber is connected with the right rear CDC adjustable damping shock absorber.
Preferably, the mode switch has three modes of soft, hard and CDC.
Preferably, the CAN network includes information on vehicle speed, steering wheel angle, accelerator pedal position, and brake pedal position.
Preferably, the voltage of the power supply is 12V or 24V.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a controller ECU in the adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle has internally integrated three-dimensional acceleration sensor, even the vehicle that the configuration is low is by horizontal, the longitudinal acceleration information that does not have steering wheel corner sensor, accelerator pedal position, brake pedal positional information under the prerequisite of still accessible integrated three-dimensional acceleration sensor carries out the control of gesture to greatly reduced system's structure and cost under the prerequisite of guaranteeing the performance basically.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.
Fig. 1 is a schematic structural view of an integrated three-directional acceleration sensor adjustable damping control device for a vehicle according to the present invention.
Fig. 2 is a schematic structural diagram of a conventional vehicular damping control apparatus.
Detailed Description
The invention will be further described with reference to the following figures and examples:
as shown in fig. 1, an integrated three-way acceleration sensor adjustable damping control device for a vehicle includes: the controller ECU1, the fault network 2, the power supply 3, the ignition switch 4, the mode switch 5, the CAN network 6, the left front CDC adjustable damping shock absorber 7-1, the right front CDC adjustable damping shock absorber 7-2, the left rear CDC adjustable damping shock absorber 7-3 and the right rear CDC adjustable damping shock absorber 7-4, the controller ECU1 is internally integrated with a three-way acceleration sensor, the controller ECU1 collects vertical acceleration information of the three-way acceleration sensor in real time to control and adjust the left front CDC adjustable damping shock absorber 7-1, the right front CDC adjustable damping shock absorber 7-2, the left rear CDC adjustable damping shock absorber 7-3 and the right rear CDC adjustable damping shock absorber 7-4, the controller ECU1 collects transverse acceleration information and longitudinal acceleration information of the three-way acceleration sensor in real time to control the posture of a vehicle body, and the controller ECU1 collects transverse acceleration information and longitudinal acceleration information of the three, The power supply 3, the ignition switch 4, the mode switch 5, the CAN network 6, the left front CDC adjustable damping shock absorber 7-1, the right front CDC adjustable damping shock absorber 7-2, the left rear CDC adjustable damping shock absorber 7-3 and the right rear CDC adjustable damping shock absorber 7-4 are connected.
Preferably, the mode switch 5 has three modes of soft, hard and CDC selection, and has corresponding indicator light display modes. When the system fails, the system is operated in a hard mode state, and simultaneously, the fault lamp flickers and stores a fault code.
Preferably, the CAN network 6 includes information on vehicle speed, steering wheel angle, accelerator pedal position, and brake pedal position.
Preferably, the voltage of the power supply 3 is 12V or 24V.
Preferably, the structures of the left front CDC adjustable damping shock absorber 7-1, the right front CDC adjustable damping shock absorber 7-2, the left rear CDC adjustable damping shock absorber 7-3 and the right rear CDC adjustable damping shock absorber 7-4 are solenoid valve built-in type, solenoid valve external type or magneto-rheological structure.
To illustrate the difference between the device of the present invention and the existing vehicle damping control device in detail, compared with fig. 2, the controller of the existing vehicle damping control device generally adopts a skyhook damping control strategy, and utilizes the absolute speed of the vehicle body and the direction of the relative speed of the vehicle body and the wheels to adjust the damping, so that four displacement sensors and three vehicle body acceleration sensors are generally adopted, or two vehicle wheel acceleration sensors and three vehicle body acceleration sensors are adopted, and the number of sensors and wire harnesses is large, which causes many problems of cost, failure and the like; and the utility model discloses an adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle has integrated three-dimensional acceleration sensor, even the vehicle that the configuration is low is because of horizontal, the longitudinal acceleration information that does not have steering wheel corner sensor, accelerator pedal position, brake pedal positional information under still the integrated three-dimensional acceleration sensor of accessible carries out the control of gesture to greatly reduced system's structure and cost under the prerequisite of basic assurance performance.
The utility model discloses an adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle, ECU gather in real time and integrate in three-dimensional acceleration sensor's vertical acceleration information, and controller ECU utilizes these information to pass through the damping force of the adjustable damping shock absorber of PWM signal control 4 CDC according to controller control strategy, and then reduces the automobile body vibration to realize that the vehicle travelling comfort promotes. In addition, the controller ECU controls the posture of the vehicle body by integrating the transverse acceleration information and the longitudinal acceleration information of the three-way acceleration sensor, so that the stability operation and the safety control of the vehicle are realized.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (5)
1. An adjustable damping control device of an integrated three-direction acceleration sensor for a vehicle is characterized by comprising: controller ECU (1), fault network (2), power (3), ignition switch (4), mode switch (5), CAN network (6), left front CDC adjustable damping shock absorber (7-1), right front CDC adjustable damping shock absorber (7-2), left back CDC adjustable damping shock absorber (7-3) and right back CDC adjustable damping shock absorber (7-4), three-way acceleration sensor has been integrateed to controller ECU (1) inside, controller ECU (1) gathers in real time three-way acceleration sensor's vertical acceleration information is right left front CDC adjustable damping shock absorber (7-1), right front CDC adjustable damping shock absorber (7-2), left back adjustable damping shock absorber (7-3) and right back CDC adjustable damping shock absorber (7-4) control adjustment, controller ECU (1) gathers in real time three-way acceleration sensor's lateral acceleration information and longitudinal acceleration information The attitude of the vehicle body is controlled by information, and the controller ECU (1) is connected with the fault network (2), the power supply (3), the ignition switch (4), the mode switch (5), the CAN network (6), the left front CDC adjustable damping shock absorber (7-1), the right front CDC adjustable damping shock absorber (7-2), the left rear CDC adjustable damping shock absorber (7-3) and the right rear CDC adjustable damping shock absorber (7-4) through electric wires.
2. The adjustable damping control device of an integrated three-way acceleration sensor for a vehicle according to claim 1, characterized in that: the mode switch (5) has three modes of soft, hard and CDC selection.
3. The adjustable damping control device of an integrated three-way acceleration sensor for a vehicle according to claim 1, characterized in that: the CAN network (6) comprises vehicle speed, steering wheel rotation angle, accelerator pedal position and brake pedal position information.
4. The adjustable damping control device of an integrated three-way acceleration sensor for a vehicle according to claim 1, characterized in that: the voltage of the power supply (3) is 12V or 24V.
5. The adjustable damping control device of an integrated three-way acceleration sensor for a vehicle according to claim 1, characterized in that: the structure of the left front CDC adjustable damping shock absorber (7-1), the right front CDC adjustable damping shock absorber (7-2), the left rear CDC adjustable damping shock absorber (7-3) and the right rear CDC adjustable damping shock absorber (7-4) is an electromagnetic valve built-in type, electromagnetic valve external type or magneto-rheological structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021292974.9U CN212950025U (en) | 2020-07-03 | 2020-07-03 | Adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021292974.9U CN212950025U (en) | 2020-07-03 | 2020-07-03 | Adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle |
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| Publication Number | Publication Date |
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| CN212950025U true CN212950025U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021292974.9U Active CN212950025U (en) | 2020-07-03 | 2020-07-03 | Adjustable damping control device of integrated three-dimensional acceleration sensor for vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056029A (en) * | 2021-10-25 | 2022-02-18 | 一汽解放汽车有限公司 | Vehicle shake control device and control method |
-
2020
- 2020-07-03 CN CN202021292974.9U patent/CN212950025U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056029A (en) * | 2021-10-25 | 2022-02-18 | 一汽解放汽车有限公司 | Vehicle shake control device and control method |
| CN114056029B (en) * | 2021-10-25 | 2023-07-14 | 一汽解放汽车有限公司 | Vehicle shake control device and control method |
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