CN213056978U - Automobile anti-collision device - Google Patents
Automobile anti-collision device Download PDFInfo
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- CN213056978U CN213056978U CN202021332545.XU CN202021332545U CN213056978U CN 213056978 U CN213056978 U CN 213056978U CN 202021332545 U CN202021332545 U CN 202021332545U CN 213056978 U CN213056978 U CN 213056978U
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Abstract
The utility model aims at providing a security is high, experience good and energy-conserving car collision device. The utility model discloses an automobile anti-collision device, which comprises electromagnet groups arranged at the front part and the rear part of an automobile, wherein the electromagnet groups are formed by connecting a plurality of electromagnet modules in parallel; the electromagnet module consists of an electromagnet and a switch for controlling the electromagnet to act; the automobile anti-collision device further comprises a power supply used for supplying power to the electromagnet group, a front radar used for the distance between the front automobile and the automobile, a rear radar used for detecting the distance between the rear automobile and the automobile, an automobile speed sensor used for providing automobile speed information, and a control module, wherein the control module controls the action of each switch according to the information of the front radar, the rear radar and the automobile speed sensor. The utility model discloses can come the size of the electromagnetic repulsion between the real-time adjustment two cars through the relative speed of a motor vehicle and the interval of two cars to under the prerequisite of guaranteeing safety, make the vehicle can smooth speed reduction, the passenger experience feels better, the energy saving.
Description
Technical Field
The utility model relates to an automobile safety field, concretely relates to car collision device.
Background
In the process of automobile following, especially when the front automobile is braked emergently, most drivers collide with the front automobile due to too close following distance or inattention. The utility model discloses an application number is 200420016433.8's utility model discloses an automobile prevents top collision electromagnetism repulsive force ware, its structure is on having magnetic magnet post with the coil winding to with polyurethane embedment fixed mounting in the shell, still be fixed with relay and infrared inductor and infrared induction circuit on the shell, and the switch-on storage battery produces the repulsion. When the distance between the automobile and the corresponding object is 1.5-1.8 m, the repulsion force is generated by switching on the power supply through infrared induction, so that the automobile is prevented from being damaged due to top collision. In above-mentioned technical scheme, the size and the preset distance of electromagnetic force are all fixed, can't be according to actual speed of a motor vehicle and apart from real-time regulation electric current size, cause the energy waste easily or because of the repulsion not enough and can't avoid the emergence of collision.
Disclosure of Invention
The utility model aims at providing a security is high, experience good and energy-conserving car collision device.
The utility model discloses an automobile anti-collision device, which comprises electromagnet groups arranged at the front part and the rear part of an automobile, wherein the electromagnet groups are formed by connecting a plurality of electromagnet modules in parallel; the electromagnet module consists of an electromagnet and a switch for controlling the electromagnet to act; the automobile anti-collision device further comprises a power supply used for supplying power to the electromagnet group, a front radar used for the distance between the front automobile and the automobile, a rear radar used for detecting the distance between the rear automobile and the automobile, an automobile speed sensor used for providing automobile speed information, and a control module, wherein the control module controls the action of each switch according to the information of the front radar, the rear radar and the automobile speed sensor.
The following description will be made of the working principle of the collision preventing device for an automobile by taking the collision prevention between the automobile and the host vehicle as an example:
when two vehicles normally run, a rear radar of a front vehicle acquires the distance between the front vehicle and the vehicle in real time and sends the distance to a control module of the front vehicle in real time, and a vehicle speed sensor of the front vehicle acquires the current vehicle speed in real time and sends the current vehicle speed to the control module of the front vehicle; meanwhile, the front radar of the vehicle collects the distance between the front vehicle and the vehicle and sends the distance to the control module of the vehicle in real time, and the vehicle speed sensor of the vehicle collects the current vehicle speed in real time and sends the current vehicle speed to the control module of the vehicle;
the control module of the front vehicle and the control module of the vehicle calculate the relative speed of the two vehicles according to the relative distance between the front vehicle and the vehicle at two time points of Ti time and forward time at an infinite small time interval Ti-1, thereby judging the possibility of collision of the two vehicles, and the specific judgment method is as follows: if the speed of the rear vehicle is greater than that of the front vehicle and the distance between the rear vehicle and the front vehicle is less than the safe distance, the two vehicles have the possibility of collision, and if the speed of the rear vehicle is less than or equal to that of the front vehicle or the distance between the rear vehicle and the front vehicle is greater than the safe distance, the two vehicles have no possibility of collision temporarily.
If the two vehicles have no possibility of collision, the control module of the front vehicle and the control module of the rear vehicle continuously detect the relative speed of the two vehicles; if the two vehicles have the possibility of collision, the control module of the front vehicle and the control module of the rear vehicle close a corresponding number of switches according to a preset calibration relation according to the possibility of collision of the two vehicles, and the switches closed by the front vehicle correspond to the switches closed by the rear vehicle; the magnitude of the possibility of collision between the two vehicles is specifically determined by the relative speed and the distance between the two vehicles, and the greater the relative speed and the smaller the distance between the two vehicles, the greater the possibility of collision between the two vehicles is, and vice versa.
The method comprises the following steps that a front vehicle and a rear vehicle continuously monitor whether the two vehicles have collision possibility, and according to the possibility, switches of corresponding number are closed according to a preset calibration relation, and the closed switches of the front vehicle correspond to the closed switches of the rear vehicle; until the two vehicles are not collided temporarily, the anti-collision module of the front vehicle and the anti-collision module of the rear vehicle respectively disconnect all closed switches.
In the control process of above-mentioned anticollision, the repulsion that the electro-magnet that corresponds on front truck, the back car produced is along with the size of the possibility that two cars bump at any time and change, and the repulsion of electro-magnet can not be too big like this, and unnecessary emergency braking can not appear in the back car, and unnecessary dashing can not also appear in the front truck, under the prerequisite of guaranteeing safety, has improved passenger and has experienced, has also practiced thrift the electric energy simultaneously.
Furthermore, each electromagnet module is composed of two electromagnets and a switch, and the two electromagnets in the same electromagnet module are arranged in bilateral symmetry with the central axis in the length direction of the vehicle body as a symmetry axis. The mode of two electro-magnets of above-mentioned switch simultaneous control not only can reduce the quantity of switch to reduce hardware cost, can also make the produced repulsion of electro-magnet group keep balance in automobile body both sides, thereby avoid leading to the automobile body to take place to squint because of the repulsion distributes unevenly, and then produce dangerous consequences such as automobile body departure lane.
Furthermore, the control module is further connected with a warning device, specifically a loudspeaker, a display screen or a warning lamp, and when other vehicles collide with the vehicle due to too close distance, the warning device gives a warning to the driver, so that the driver can take measures in time, such as braking, acceleration, turning and the like, and the probability of collision is reduced.
Furthermore, the switch is a relay, and the control module can control the connection and disconnection of the relay through high and low levels, so that whether current passes through the corresponding electromagnet is controlled.
The utility model discloses an automobile anti-collision device can adjust the size of the electromagnetic repulsion between two cars in real time through the relative speed of a motor vehicle and the interval of two cars to under the prerequisite of guaranteeing safety, make the vehicle can smooth speed reduction, the passenger experience feels better, the energy saving.
Drawings
Fig. 1 is a schematic structural diagram of the automobile anti-collision device of the present invention.
Fig. 2 is the anti-collision control flow chart of the utility model.
The figures are numbered: 1. an electromagnet; 2. a relay switch; 3. a storage battery; 4. a front radar; 5. a rear radar; 6. a vehicle speed sensor; 7. a control module; 8. an alarm device.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, and the like.
Example 1:
the embodiment provides an automobile anti-collision device which comprises two groups of electromagnet groups respectively arranged inside a front bumper and a rear bumper of an automobile, wherein each group of electromagnet group is formed by connecting a plurality of electromagnet modules in parallel; the electromagnet module consists of an electromagnet 1 and a relay switch 2 for controlling the electromagnet 1 to act; the automobile anti-collision device further comprises a storage battery 3 used for supplying power to the electromagnet group, a front radar 4 used for the distance between a front automobile and the automobile, a rear radar 5 used for detecting the distance between a rear automobile and the automobile, an automobile speed sensor 6 used for providing automobile speed information, and a control module 7, wherein the control module 7 is in communication connection with the front radar 4, the rear radar 5 and the automobile speed sensor 6 through CAN buses respectively, and the control module 7 outputs high-level or low-level signals to the relay switches 2 according to the information of the front radar 4, the rear radar 5 and the automobile speed sensor 6 so as to control the actions of the relay switches 2.
Specifically, the low-voltage control end of the relay is respectively connected with the cathode of the storage battery 3 and the output end of the control module 7, and the high-voltage control end of the relay is respectively connected with the input end of the coil of the electromagnet 1 and the anode output end of the storage battery 3; the output end of the coil of the electromagnet 1 is connected with the negative electrode of the storage battery 3; the positive output end of the storage battery 3 is connected with the positive input end of the control module 7, the front radar 4, the rear radar 5 and the vehicle speed sensor 6, and the negative output end of the storage battery 3 is connected with the negative input end of the control module 7, the vehicle speed sensor 6, the front radar 4 and the rear radar 5, so that a power supply is provided for each module and each radar.
In this embodiment, each electromagnet 1 module is composed of two electromagnets 1 and a relay switch 2, and the two electromagnets 1 in the same electromagnet 1 module are arranged symmetrically with the central axis of the vehicle body in the length direction as the symmetry axis. The mode that two electro-magnets 1 were controlled simultaneously to above-mentioned relay switch 2 not only can reduce relay switch 2's quantity to reduce the hardware cost, can also make the produced repulsion of electro-magnet group keep balance in automobile body both sides, thereby avoid leading to the automobile body to take place to squint because of the repulsion distributes unevenly, and then produce dangerous consequences such as automobile body departure lane.
In this embodiment, the control module 7 is further connected to a warning device 8 through a CAN bus, which may specifically be one or more of a speaker, a display screen, or a warning light, and when another vehicle collides with the vehicle due to an excessively short distance, the warning device 8 gives a warning to the driver, so that the driver CAN take timely measures such as braking, acceleration, turning, and the like, thereby reducing the probability of collision.
The following description will be made of the working principle of the collision preventing device for an automobile by taking the collision prevention between the automobile and the host vehicle as an example:
when two vehicles normally run, the rear radar 5 of the front vehicle acquires the distance between the front vehicle and the vehicle in real time and sends the distance to the control module 7 of the front vehicle in real time, and the vehicle speed sensor 6 of the front vehicle acquires the current vehicle speed in real time and sends the current vehicle speed to the control module 7 of the front vehicle; meanwhile, the front radar 4 of the vehicle collects the distance between the front vehicle and the vehicle and sends the distance to the control module 7 of the vehicle in real time, and the vehicle speed sensor 6 of the vehicle collects the current vehicle speed in real time and sends the current vehicle speed to the control module 7 of the vehicle;
the control module 7 of the preceding vehicle and the control module 7 of the vehicle calculate the relative speed of the two vehicles according to the relative distance between the preceding vehicle and the vehicle at two time points of the time point Ti and the time point Ti-1 which is forward at an infinite small time interval, thereby judging the possibility of collision of the two vehicles, and the specific judgment method is as follows: if the speed of the rear vehicle is greater than that of the front vehicle and the distance between the rear vehicle and the front vehicle is less than the safe distance, the two vehicles have the possibility of collision, and if the speed of the rear vehicle is less than or equal to that of the front vehicle or the distance between the rear vehicle and the front vehicle is greater than the safe distance, the two vehicles have no possibility of collision temporarily.
If the two vehicles have no possibility of collision, the control module 7 of the front vehicle and the control module 7 of the rear vehicle continue to detect the relative speed of the two vehicles; if the two vehicles have the possibility of collision, the control module 7 of the front vehicle and the control module 7 of the rear vehicle close a corresponding number of current collector switches 2 according to a preset calibration relation according to the possibility of collision of the two vehicles, and the current collector switches 2 closed by the front vehicle and the current collector switches 2 closed by the rear vehicle correspond to each other, namely the positions and the number of the electrified electromagnets of the front vehicle and the vehicle correspond to each other; the magnitude of the possibility of collision between the two vehicles is specifically determined by the relative speed and the distance between the two vehicles, and the greater the relative speed and the smaller the distance between the two vehicles, the greater the possibility of collision between the two vehicles is, and vice versa.
The method comprises the following steps that a front vehicle and a rear vehicle continuously monitor whether the two vehicles have collision possibility, and according to the possibility, corresponding number of current collector switches 2 are closed according to a preset calibration relation, and the current collector switches 2 closed by the front vehicle correspond to the current collector switches 2 closed by the rear vehicle; until the two vehicles are not likely to collide temporarily, the front vehicle crash module and the rear vehicle crash module respectively open all the closed collector switches 2.
In the control process of above-mentioned anticollision, the repulsion that the electro-magnet 1 that corresponds on front truck, the back car produced is along with the size of the possibility that two cars bump at any time and changes, and the repulsion of electro-magnet 1 can not be too big like this, and unnecessary emergency braking can not appear in the back car, and unnecessary dashing can not appear in the front truck yet, under the prerequisite of guaranteeing safety, has improved passenger and has experienced, has also practiced thrift the electric energy simultaneously.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (4)
1. An automobile anti-collision device is characterized by comprising electromagnet groups arranged at the front part and the rear part of an automobile, wherein the electromagnet groups are formed by connecting a plurality of electromagnet modules in parallel; the electromagnet module consists of an electromagnet and a switch for controlling the electromagnet to act; the automobile anti-collision device further comprises a power supply used for supplying power to the electromagnet group, a front radar used for the distance between the front automobile and the automobile, a rear radar used for detecting the distance between the rear automobile and the automobile, an automobile speed sensor used for providing automobile speed information, and a control module, wherein the control module controls the action of each switch according to the information of the front radar, the rear radar and the automobile speed sensor.
2. The automotive anti-collision device according to claim 1, wherein each electromagnet module is composed of two electromagnets and a switch, and the two electromagnets in the same electromagnet module are symmetrically arranged from side to side with respect to a central axis of the vehicle body in the length direction as a symmetry axis.
3. The collision avoidance device of claim 1 or 2, wherein the control module is further connected to a warning device.
4. The automotive collision avoidance device of claim 3, wherein the switch is a relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021332545.XU CN213056978U (en) | 2020-07-09 | 2020-07-09 | Automobile anti-collision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021332545.XU CN213056978U (en) | 2020-07-09 | 2020-07-09 | Automobile anti-collision device |
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| Publication Number | Publication Date |
|---|---|
| CN213056978U true CN213056978U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021332545.XU Active CN213056978U (en) | 2020-07-09 | 2020-07-09 | Automobile anti-collision device |
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| Country | Link |
|---|---|
| CN (1) | CN213056978U (en) |
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- 2020-07-09 CN CN202021332545.XU patent/CN213056978U/en active Active
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