CN212685523U - Vehicle active safety device - Google Patents
Vehicle active safety device Download PDFInfo
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- CN212685523U CN212685523U CN202021368501.2U CN202021368501U CN212685523U CN 212685523 U CN212685523 U CN 212685523U CN 202021368501 U CN202021368501 U CN 202021368501U CN 212685523 U CN212685523 U CN 212685523U
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- tooth
- driven tooth
- actuating rod
- vehicle
- actuating
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- 230000007246 mechanism Effects 0.000 claims description 19
- 230000002265 prevention Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 8
- 238000012549 training Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010042434 Sudden death Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to a vehicle initiative safety device includes electronic sharp actuating assembly and automatically controlled unit, and automatically controlled unit is connected with sharp actuating assembly, and electronic sharp actuating assembly includes drive tooth, casing, actuates pole drive tooth, actuates the driven tooth of pole, actuates the pole, driven tooth, actuates pole position sensor and driving motor, driving motor and driven tooth meshing, driven tooth setting are in the casing, and driven tooth is connected with actuating pole drive tooth, actuates the driven tooth setting of pole on actuating the pole, actuates the driven tooth of pole and actuates pole drive tooth meshing, actuate the coaxial setting of pole position sensor and driven actuation tooth, automatically controlled unit control lever linear motion. The utility model has the advantages of reliable use, simple structure, easy manufacture, low cost and convenient installation. The structure of the original vehicle is not changed, the braking performance of the original vehicle is not influenced, and the active safety functions of overspeed prevention, rear-end collision prevention and abnormal yaw prevention can be provided for the existing public transport passenger vehicle.
Description
Technical Field
The utility model relates to a vehicle safety technical field, in particular to vehicle initiative safety device.
Background
At present, various automobile active safety technologies are continuously popularized and applied to public transport passenger vehicles in order to improve the safety performance of the public transport passenger vehicles and guarantee the driving safety. For example: at present, GPS monitoring technology is introduced into all domestic public transport passenger vehicles, and when the vehicles overspeed or other abnormal conditions exist, drivers can be reminded or warned in time, so that the driving safety of the public transport passenger vehicles is improved. However, the effect of such reminders and warnings is entirely dependent on the personal qualities of the driver, and in some special cases even no function is available, so that the safety of the passengers in the vehicle is completely controlled by the driver. Under extremely special conditions such as the bus falling river in Ten thousand of Chongqing, the bus falling lake in Guizhou Anshu, sudden death of a driver and the like, passengers cannot perform emergency intervention on the vehicle, and casualty accidents are generated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, provide one kind and can improve the security of public transit passenger vehicle, let the passenger have the possibility of saving oneself under extremely special circumstances, make the passenger can save oneself vehicle initiative safety device under the circumstances such as the vehicle hypervelocity, chase into the back, unusual driftage.
The specific technical scheme is as follows: a vehicle active safety device comprises an electric linear actuating assembly and an electric control unit, wherein the electric control unit is connected with the linear actuating assembly, the electric linear actuating assembly comprises a driving tooth, a shell, an actuating rod driving tooth, an actuating rod driven tooth, an actuating rod, a driven tooth, an actuating rod position sensor and a driving motor, the driving motor is meshed with the driven tooth, the driven tooth is arranged in the shell, the driven tooth is connected with the actuating rod driving tooth, the actuating rod driven tooth is arranged on an actuating rod, the actuating rod driven tooth is meshed with the actuating rod driving tooth, the actuating rod position sensor is coaxially arranged with the driven tooth, and the electric control unit controls the actuating rod to move linearly.
Preferably, the active safety device of the vehicle further comprises a flexible cable, one end of the flexible cable is connected with the actuating rod, and the other end of the flexible cable is connected with a braking device of the vehicle.
Preferably, the vehicle active safety device further comprises a mounting bracket, the electric linear actuating assembly is arranged on the mounting bracket, and the flexible inhaul cable is arranged on the mounting bracket.
Preferably, one end of the flexible inhaul cable is provided with an adjusting screw and a locking nut, the adjusting screw is connected with the actuating rod, and the flexible inhaul cable is adjusted in place and then locked through the locking nut.
Preferably, the brake device comprises a brake actuation lever mechanism comprising a brake pedal actuation lever, the flexible cable being connected to the brake actuation lever mechanism.
Preferably, the active safety device of the vehicle further comprises a manual braking signal output mechanism, the manual braking signal output mechanism is connected with the electronic control unit, and the actuating rod position sensor and the driving motor are connected with the electronic control unit through control cables.
Preferably, the housing comprises an upper housing and a lower housing, and the upper housing and the lower housing are connected.
The technical effects of the utility model: the utility model has the advantages of reliable use, simple structure, easy manufacture, low cost and convenient installation. The original vehicle structure is not changed, the braking performance of the original vehicle is not affected, and the vehicle can be installed before leaving the factory or after leaving the factory. The GPS technology and other existing mature active safety technologies can provide active safety functions of overspeed prevention, rear-end collision prevention and abnormal yaw prevention for the existing public transport passenger vehicles, and particularly provides possibility for self rescue of passengers under extremely special conditions like the national condemned public transport falling river of Chongqing, the Anshu public transport falling lake of Guizhou, sudden emergency of a driver and the like. In addition, the vehicle active safety device of the embodiment can also be used for automobile driving training and used as a special auxiliary braking mechanism for a coach; the GPS technology can also be used as an auxiliary braking system for intelligent driving training of the automobile.
Drawings
Fig. 1 is a schematic view of an electric linear actuator assembly according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an electric linear actuation assembly in accordance with an embodiment of the present invention.
Fig. 3 is an installation schematic diagram of an electric linear actuator assembly according to an embodiment of the present invention.
Fig. 4 is a schematic view of an active safety device for a vehicle according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a control cable assembly according to an embodiment of the present invention.
Detailed Description
The essential features and advantages of the invention will be further explained below with reference to examples, but the invention is not limited to the embodiments listed.
As shown in fig. 1 to 5, an active safety device for a vehicle of the present embodiment includes an electric linear actuator assembly 10 and an electronic control unit 21, and the electronic control unit 21 is connected to the linear actuator assembly 10. The electric linear actuation assembly 10 comprises a driving tooth 1, a housing, an actuation bar driving tooth 3, an actuation bar driven tooth 4, an actuation bar 5, a driven tooth 7, an actuation bar position sensor 8 and a driving motor 9, the driving motor 9 is meshed with the driven tooth 7, and the driven tooth 7 is arranged in the housing. The driven tooth 7 is connected with the actuation bar driving tooth 3, the actuation bar driven tooth 4 is arranged on the actuation bar 5, and the actuation bar driven tooth 4 is meshed with the actuation bar driving tooth 3. The actuating rod position sensor 8 is arranged coaxially with the driven tooth 7, and the electric control unit 21 controls the actuating rod 5 to move linearly. In the above technical scheme, the electric linear actuating assembly 10 can be controlled by the electric control unit 21, the electric control unit 21 outputs a signal to the driving motor 9, and the driving motor 9 rotates to drive the driving tooth 1 to rotate, so that the driven tooth 7 rotates; because the driven tooth 7 and the actuating rod driving tooth 3 are coaxially arranged, the actuating rod driving tooth 3 can synchronously rotate, because the actuating rod driving tooth 3 is meshed with the actuating rod driven tooth 4, the actuating rod driven tooth 4 is axially arranged along the actuating rod 5, the actuating rod 5 can be driven to linearly move, and the reciprocating motion of the actuating rod 5 can be realized through the forward and reverse rotation of the driving motor 9. In the above technical scheme, when the vehicle has overspeed, rear-end collision or abnormal yaw, the electric control unit 21 can drive the electric linear actuator to form an action, so as to drive the brake device connected with the electric linear actuator to act, realize braking and avoid accidents. The electronic control unit 21 can be connected with a GPS device of the vehicle, so that whether the vehicle is overspeed or drifted can be judged according to GPS signals; the electronic control unit 21 can be connected with a radar on the vehicle so as to obtain a speed signal and judge whether the vehicle is overspeed or not. By providing the actuating lever position sensor, the rotation angle of the driven tooth 7 can be measured, and then a signal is output to the electronic control unit, so that the electronic control unit can know the control result. The actuator lever position sensor is connected with the rotating shaft of the driven gear 7, so that the whole structure can be more compact. The electronic control unit 21 is an electronic control device with a processor for signal processing.
In this embodiment, the active safety device of the vehicle further includes a flexible cable 11, one end of the flexible cable 11 is connected to the actuating rod 5, and the other end is connected to the braking device of the vehicle. Through the technical scheme, the flexible inhaul cable 11 can be driven to pull the braking device of the vehicle through the contraction of the actuating rod 5, so that braking is achieved.
In this embodiment, the active safety device of the vehicle further includes a mounting bracket 12, the electric linear actuation assembly 10 is disposed on the mounting bracket 12, and the flexible cable 11 is disposed on the mounting bracket 12. The above-described solution enables the electric linear actuation assembly 10 and its mounting bracket 12 to be mounted at a suitable location on the vehicle.
In this embodiment, an adjusting screw 13 and a lock nut 14 are disposed at one end of the flexible cable 11, the adjusting screw 13 is connected with the actuating rod 5, and the flexible cable 11 is adjusted in place and then locked by the lock nut 14. The brake device comprises a brake actuation lever mechanism 23 comprising a brake pedal actuation lever 24, the flexible cable 11 being connected to the brake actuation lever mechanism 23. The flexible cable 11 is attached to the brake actuating lever mechanism 23 and the length of the flexible cable is adjusted, and the adjustment nut 14 is tightened to prevent it from loosening and causing a change in length after the adjustment is made.
In this embodiment, the active safety device further includes a manual braking signal output mechanism 22, the manual braking signal output mechanism 22 is connected to the electronic control unit 21, and the actuating lever position sensor 8 and the driving motor 9 are connected to the electronic control unit 21 through a control cable. So that the output signal of the actuation lever position sensor 8 is available to the electronic control unit 21, which can control the motor 9 according to the manual braking signal output means 22. The manual braking signal output mechanism 22 may be a button, a pedal mechanism, or the like, and can output a signal to the electronic control unit 21 through manual operation, and the electronic control unit 21 starts the electric linear actuation assembly after receiving the signal. For example, the manual braking signal output mechanism 22 is a button, and when the passenger of the bus senses that the vehicle is in a dangerous condition, the button can be pressed, so that the electronic control unit 21 starts the driving motor 9 to realize vehicle braking. In the present embodiment, the electronic control unit 21 is connected to a vehicle power supply and an ignition signal line.
The active safety device of the vehicle of the embodiment CAN manually brake the vehicle through the output signal of the manual brake signal output mechanism 22, CAN share the running information such as the engine running information and the vehicle speed with the vehicle carrying the active safety device through the CAN communication interface of the system, and CAN control the rotating speed and the torque of the engine when necessary; the vehicle-mounted distance measuring device CAN also receive GPS signals, vehicle-mounted distance measuring radar signals and other set control signals through a CAN communication interface, the electric control unit 21 controls the driving motor 9 to drive the actuating rod 5 to generate linear displacement, the original braking mechanism of the vehicle is directly driven or driven through a flexible inhaul cable, and the vehicle is subjected to speed reduction braking or emergency braking according to a control instruction of the electric control unit 21, so that safety functions of overspeed prevention, rear-end collision prevention, abnormal yaw prevention, self-rescue of passengers and the like are provided for the conventional public transport passenger vehicle.
In this embodiment, the housing includes an upper housing and a lower housing, and the upper housing and the lower housing are connected to facilitate installation of components inside the housing.
The active safety device of the vehicle of the embodiment can directly drive the brake pedal of the original vehicle by utilizing the actuating rod 5, thereby simplifying the system structure; in the case where the installation space is limited; as another embodiment, the flexible cable 11 can be used for indirectly driving the brake pedal of the original vehicle, so that the installation is more flexible and convenient. The electric control unit 21 and the electric linear actuating assembly 10 of the embodiment are connected through a control cable assembly, and the control cable assembly comprises an electric control unit connector 31, a driving motor connector 32, an actuating rod position sensor connector 33, an artificial braking signal connector 34, a CAN bus connector 35, a power supply and an ignition coil connector.
The utility model has the advantages of reliable use, simple structure, easy manufacture, low cost and convenient installation. The original vehicle structure is not changed, the braking performance of the original vehicle is not affected, and the vehicle can be installed before leaving the factory or after leaving the factory. The GPS technology and other existing mature active safety technologies can provide active safety functions of overspeed prevention, rear-end collision prevention and abnormal yaw prevention for the existing public transport passenger vehicles, and particularly provides possibility for self rescue of passengers under extremely special conditions like the national condemned public transport falling river of Chongqing, the Anshu public transport falling lake of Guizhou, sudden emergency of a driver and the like. In addition, the vehicle active safety device of the embodiment can also be used for automobile driving training and used as a special auxiliary braking mechanism for a coach; the GPS technology can also be used as an auxiliary braking system for intelligent driving training of the automobile.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A vehicle active safety device is characterized by comprising an electric linear actuating assembly and an electric control unit, wherein the electric control unit is connected with the linear actuating assembly, the electric linear actuating assembly comprises a driving tooth, a shell, an actuating rod driving tooth, an actuating rod driven tooth, an actuating rod, a driven tooth, an actuating rod position sensor and a driving motor, the driving motor is meshed with the driven tooth, the driven tooth is arranged in the shell, the driven tooth is connected with the actuating rod driving tooth, the actuating rod driven tooth is arranged on an actuating rod, the actuating rod driven tooth is meshed with the actuating rod driving tooth, the actuating rod position sensor is coaxially arranged with the actuating tooth, and the electric control unit controls the rod to move linearly.
2. The active vehicle safety device according to claim 1, further comprising a flexible cable having one end connected to the actuator rod and another end connected to a vehicle brake.
3. The active vehicle safety device according to claim 2, further comprising a mounting bracket, wherein the electric linear actuation assembly is disposed on the mounting bracket, and wherein the flexible cable is disposed on the mounting bracket.
4. The active safety device for vehicle according to claim 3, wherein the flexible cable has an adjusting screw and a lock nut at one end, the adjusting screw is connected to the actuating rod, and the flexible cable is locked by the lock nut after being adjusted to the proper position.
5. The active vehicle safety device according to claim 4, wherein the brake device includes a brake actuation lever mechanism including a brake pedal actuation lever, the flexible cable being connected to the brake actuation lever mechanism.
6. The active vehicle safety device according to claim 1, further comprising a manual brake signal output mechanism connected to the electronic control unit, wherein the actuating lever position sensor and the drive motor are connected to the electronic control unit via control cables.
7. The active vehicle safety device according to claim 1, wherein the housing comprises an upper housing and a lower housing, the upper housing and the lower housing being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368501.2U CN212685523U (en) | 2020-07-13 | 2020-07-13 | Vehicle active safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368501.2U CN212685523U (en) | 2020-07-13 | 2020-07-13 | Vehicle active safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212685523U true CN212685523U (en) | 2021-03-12 |
Family
ID=74897166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021368501.2U Expired - Fee Related CN212685523U (en) | 2020-07-13 | 2020-07-13 | Vehicle active safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212685523U (en) |
-
2020
- 2020-07-13 CN CN202021368501.2U patent/CN212685523U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |