CN211765390U - Vehicle collision safety control system and vehicle - Google Patents
Vehicle collision safety control system and vehicle Download PDFInfo
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- CN211765390U CN211765390U CN202020036762.8U CN202020036762U CN211765390U CN 211765390 U CN211765390 U CN 211765390U CN 202020036762 U CN202020036762 U CN 202020036762U CN 211765390 U CN211765390 U CN 211765390U
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Abstract
The utility model relates to a vehicle collision safety control system and vehicle, this system includes: a collision sensor module for generating a collision signal upon a collision; the airbag control module is connected with the collision sensor module and used for receiving a collision signal generated by the collision sensor module and determining whether to send a safety control signal or not based on the collision signal; the collision breaker is arranged in the vehicle main power supply circuit, is connected with the air bag control module and is used for disconnecting the vehicle main power supply circuit; the vehicle body control module receives power supply voltage provided by a main power supply of the vehicle, is connected with the air bag control module and is used for controlling unlocking of the vehicle door; the system also includes a capacitor for providing a backup voltage to the body control module. The utility model discloses not only can solve the problem that the short circuit takes place and overheated the catching fire for main power supply wire harness after the vehicle collision, can also guarantee that automobile body control module can not take place to fall the electric restart, guarantee to continuously send door unblock signal in order to control the door unblock, guarantee personnel safety in the car.
Description
Technical Field
The utility model relates to a vehicle safety technical field especially relates to a vehicle collision safety control system and vehicle.
Background
With the development of economy and the soaring of the vehicle industry in China, vehicles become transportation tools for the public to go out, and the popularization rate of the vehicles reaches an astonishing degree. However, with the popularization of vehicles, traffic accidents caused by vehicle collision are increasing, and in recent years, after the vehicle collides, serious accidents that people in the vehicle can not timely get out of danger due to the fact that the vehicle is on fire and the vehicle door lock is not timely opened occur. Therefore, the safety and reliability of the vehicle are increasingly emphasized.
After the existing vehicle is subjected to sending collision, if a main power supply wire harness is short-circuited, the voltage of the whole vehicle can be instantly reduced, the wire harness is overheated and fires, and meanwhile, a vehicle body control module or a vehicle door unlocking module cannot send a vehicle door unlocking instruction due to power failure restarting, so that the vehicle door cannot be automatically unlocked after an accident occurs. For the problem that a main power supply wire harness is short-circuited and ignited when in collision, the conventional solution is to add a fuse in a main power supply loop to solve the problem that the wire harness is overheated and ignited, but the problem that a vehicle body control module is restarted after power failure when a vehicle door is unlocked cannot be solved.
The utility model discloses an applicant discovers through the research, and the reason that above-mentioned problem appears is because the fusing time overlength of fuse, generally about 180ms, in this section of time, the voltage of whole car is drawn down and is leaded to automobile body control module or door unblock module to fall the electricity and restart, and then the unblock of uncontrollable door. Accordingly, the applicant has proposed a vehicle collision safety control system and a vehicle to solve the above-described problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vehicle collision safety control system and vehicle, through using the protection device of collision circuit breaker as main power supply return circuit, adopt gasbag control module's signal output as collision circuit breaker's input, can resume whole car voltage in the short circuit return circuit of the quick disconnection main power supply before electric capacity has discharged, prevent that automobile body control module from falling the electricity and restart, guarantee that automobile body control module normally works to personnel's safety in the assurance car.
In order to achieve the above object, a first aspect of the embodiments of the present invention provides a vehicle crash safety control system, which includes: the collision sensor module, the airbag control module, the collision breaker and the vehicle body control module; the collision sensor module is used for generating a collision signal when a vehicle collides; the airbag control module is connected with the collision sensor module and used for receiving the collision signal generated by the collision sensor and determining whether to send out a safety control signal or not based on the collision signal; the collision breaker is arranged in a vehicle main power supply loop, is connected with the air bag control module and is used for disconnecting the vehicle main power supply loop after receiving the safety control signal; the vehicle body control module receives a power supply voltage provided by a vehicle main power supply, is connected with the airbag control module and is used for receiving the safety control signal and then controlling the unlocking of the vehicle door; wherein the vehicle collision safety control system further comprises a capacitor for providing a backup voltage to the body control module.
The crash sensor module includes a front crash sensor, a side crash sensor, and a rear crash sensor, as one of embodiments.
In one embodiment, the front impact sensor is a center acceleration sensor, the side impact sensor is a cockpit outside acceleration sensor, and the rear impact sensor is a passenger cabin acceleration sensor.
In one embodiment, the airbag control module, the crash interrupter, and the body control module are connected by a CAN bus.
As one embodiment, the vehicle collision safety control system further includes an auxiliary power supply and a disconnector, the auxiliary power supply being connected between the disconnector and the body control module.
The safety control system comprises an airbag control module, an auxiliary control module and a vehicle door unlocking module, wherein the airbag control module is connected with the airbag control module and used for receiving the safety control signal and controlling the vehicle door to unlock when the vehicle body control module fails.
In one embodiment, the auxiliary control module is disposed at a rear portion of the vehicle.
As one embodiment, the vehicle collision safety control system further comprises a door lock motor, and the door lock motor is electrically connected or in communication connection with the vehicle body control module.
As one embodiment, the vehicle collision safety control system further comprises an alarm module, and the alarm module is electrically connected or in communication connection with the vehicle body control module.
To achieve the above object, the present invention further provides a vehicle, which includes the above vehicle collision safety control system as one embodiment.
To sum up, the utility model provides a vehicle collision safety control system and vehicle, through using the protection device of collision circuit breaker as main power supply return circuit, adopt gasbag control module's signal output as collision circuit breaker's input, the short circuit return circuit of quick disconnection main power supply before automobile body control module's from electrified electric capacity discharges, resume whole car voltage, thereby not only can solve when the vehicle bumps and leads to the main power supply pencil short circuit, the overheated problem of catching fire of electric wire, can also prevent that automobile body control module from falling the electricity and restarting, guarantee that automobile body control module normal control door is opened, in order to guarantee personnel's safety in the car.
Drawings
Fig. 1 shows a schematic structural diagram of a vehicle collision safety control system according to an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a vehicle collision safety control system according to another embodiment of the present invention.
Fig. 3 shows a block diagram of a vehicle according to an embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiments of the present invention will be described below with reference to the accompanying drawings, and the embodiments of the present invention will be described in further detail with reference to the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions of the respective portions, the operation principle, and the like. In the following description, suffixes such as "module", "part", or "unit" used to indicate elements are used only for the convenience of description of the present invention, and do not have a specific meaning per se.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle collision safety control system according to an embodiment of the present invention. As shown in fig. 1, an embodiment of the present invention provides a vehicle collision safety control system, which includes: a crash sensor module 10, an airbag control module 11, a crash breaker 12, and a body control module 13.
Specifically, the collision sensor module 10 is used for generating a collision signal when a vehicle collides.
And an airbag control module 11 connected to the collision sensor module 10, for receiving the collision signal generated by the collision sensor module 10 and determining whether to issue a safety control signal based on the collision signal.
And the collision breaker 12 is arranged in the main power supply circuit of the vehicle, is connected with the air bag control module 11, and is used for disconnecting the main power supply circuit of the vehicle after receiving the safety control signal.
In the present exemplary embodiment, the crash breaker 12 is arranged between a battery, which generally is a 12V battery, which supplies the supply voltage, and a starter 15 of the vehicle. It is to be noted that the main power circuit of the vehicle is understood in accordance with the common knowledge of those skilled in the art, and is not particularly limited.
And the vehicle body control module 13 is used for receiving the power supply voltage provided by the main power supply of the vehicle, is connected with the air bag control module 11, and is used for receiving the safety control signal and then controlling the unlocking of the vehicle door.
It should be noted that the main power supply and the main power supply circuit are different in judgment basis, where the main power supply is described by being distinguished from the auxiliary power supply or the backup power supply, and the main power supply circuit is described by being distinguished from other branch power supply circuits, for example, a main power supply circuit is provided between the storage battery and the vehicle starter in the embodiment, and a branch power supply circuit is provided between the storage battery and the vehicle body control module.
In this embodiment, the vehicle collision safety control system further includes a capacitor for providing a standby voltage to the vehicle body control module 13. It is understood that the capacitor may be a self-contained capacitor of the body control module 13, and the voltage of the entire vehicle is pulled down to a recovery voltage in a process from a short circuit to a disconnection of a main power supply loop of the vehicle, which is generally within 20ms, and the capacitor participates in supplying power to the body control module 13 in the process, so that a power failure restart (reset) condition does not occur.
Further, in one embodiment, the impact sensor module 10 includes, but is not limited to, a front impact sensor, a side impact sensor, and a rear impact sensor.
In one embodiment, the front impact sensor is a central acceleration sensor of the vehicle, the side impact sensor is an outer acceleration sensor of the cab, and the rear impact sensor is an acceleration sensor of the passenger cab. In this embodiment, the detection and determination are performed based on the acceleration generated when the vehicle collides, but the present invention is not limited thereto, and the sensor may be provided according to other collision detection techniques in the art.
In one embodiment, the airbag control module 11, the crash breaker 12, and the vehicle body control module 13 are connected by a CAN bus.
The CAN is a short for Controller Area Network (CAN), and compared with a general communication bus, data communication of the CAN bus has outstanding reliability, real-time performance and flexibility.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a vehicle collision safety control system according to another embodiment of the present invention. In order to prevent the main power supply (the battery in fig. 1 or 2) from being unable to pass the supply voltage to the body control module 13, in an embodiment the vehicle crash safety control system further comprises an auxiliary power supply 17 and a disconnector 18, the auxiliary power supply 17 being connected between the disconnector 18 and the body control module 13.
Specifically, the isolation switch 18 is used for enabling the auxiliary power supply 17 to supply power to the vehicle body control module 13 by monitoring the on/off state of the voltage control loop.
In one embodiment, the vehicle collision safety control system further includes an auxiliary control module (not shown in fig. 1 and 2), which is connected to the airbag control module 11 and is configured to receive a safety control signal to control unlocking of the door when the vehicle body control module 13 fails.
Specifically, since the position and severity of the vehicle during a collision are uncertain, and once the vehicle body control module 13 for controlling the unlocking of the vehicle door fails, the vehicle door safety process cannot be executed, in this embodiment, the vehicle collision safety control system further includes an auxiliary control module which is equipped with a standby power supply and is connected with the airbag control module 11 through a CAN bus, and when the vehicle body control module 13 cannot control the unlocking of the vehicle door, the auxiliary control module replaces the auxiliary control module to perform the safety process work of the unlocking of the vehicle door, so as to ensure the safety of personnel in the vehicle. That is, the assist control module performs monitoring only at ordinary times, and performs intervention control only when the vehicle body control module 13 is found to be out of order, that is, when the door lock is not opened at the time of a collision.
In one embodiment, the auxiliary control module is disposed at the rear of the vehicle.
Since it is considered that the airbag control module 11 and the vehicle body control module 13 are generally provided at the front of the vehicle, in one embodiment, the auxiliary control module is provided at the rear of the vehicle, so that the present vehicle collision safety control system can surely control the unlocking of the doors regardless of whether a collision occurs at the front or the rear of the vehicle.
In one embodiment, the vehicle crash safety control system further includes a door lock motor 16, and the door lock motor 16 is electrically connected or communicatively connected to the body control module 13.
In one embodiment, the vehicle crash safety control system further includes an alarm module (neither shown) electrically connected or communicatively connected to the body control module 13.
To the utility model discloses a vehicle collision safety control system each part, the working process of module, synthesize the detailed description below.
After a vehicle collision occurs, a short circuit occurs between the main power supply circuit, i.e., the battery 14 and the starter 15 in fig. 1 or fig. 2, so that the voltage of the entire vehicle is pulled down, and the vehicle body control module 13 is in a power-down state. Meanwhile, the collision sensor module 10 transmits a collision signal to the airbag collision module 11, the airbag control module 11 sends a safety control signal to the collision breaker 12 and the vehicle body control module 13, and after the collision breaker receives the safety control signal, the main power supply loop is cut off in a very short time (for example, 20ms), and the voltage of the whole vehicle is recovered. Within 20ms from the voltage reduction of the whole vehicle to the recovery voltage, the vehicle body control module 13 is provided with a capacitor to participate in power supply, so that the reset condition can not occur. And the vehicle body control module 13 sends a vehicle door unlocking instruction to the door lock motor after receiving the safety control signal to control the vehicle door to be opened. It is worth mentioning that if a fuse is adopted to open a short-circuited main power supply loop, a long fusing time (generally 180ms) is required, and then the vehicle body control module 13 is restarted in a power failure mode, so that the reset condition is realized.
To sum up, the embodiment of the utility model provides a vehicle collision safety control system, through using the protection device of collision circuit breaker as main power supply return circuit, adopt gasbag control module's signal output as collision circuit breaker's input, the short circuit return circuit of quick disconnection main power supply before automobile body control module's from electrified electric capacity discharges, resume whole car voltage, thereby not only can solve when the vehicle bumps and leads to the main power supply pencil short circuit, the overheated problem of catching fire of electric wire, can also prevent that automobile body control module from falling the electricity and restarting, guarantee that automobile body control module normal control door is opened, in order to guarantee personnel safety in the car.
Referring to fig. 3, fig. 3 is a block diagram of a vehicle 30 according to an embodiment of the present invention. As shown in fig. 3, the present embodiment provides a vehicle 30 including a vehicle collision safety control system 31. Specifically, please refer to the description of the vehicle collision safety control system in the embodiment shown in fig. 1 to 2 for a specific structure diagram of the vehicle collision safety control system 31, which is not repeated herein.
To sum up, the embodiment of the utility model provides a vehicle, through using the protection device in collision breaker as main power supply return circuit, adopt gasbag control module's signal output as collision breaker's input, the short circuit return circuit of quick disconnection main power supply before automobile body control module's the electric capacity of own discharges, resume whole car voltage, thereby not only can solve when the vehicle bumps and leads to the main power supply pencil short circuit, the overheated problem of firing of electric wire, can also prevent that automobile body control module from falling the electricity and restarting, guarantee that automobile body control module normal control door is opened, in order to guarantee personnel's safety in the car.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed. In addition, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A vehicle collision safety control system, characterized by comprising: the collision sensor module, the airbag control module, the collision breaker and the vehicle body control module;
the collision sensor module is used for generating a collision signal when a vehicle collides;
the airbag control module is connected with the collision sensor module and used for receiving the collision signal generated by the collision sensor module and determining whether to send out a safety control signal or not based on the collision signal;
the collision breaker is arranged in a vehicle main power supply loop, is connected with the air bag control module and is used for disconnecting the vehicle main power supply loop after receiving the safety control signal;
the vehicle body control module receives a power supply voltage provided by a vehicle main power supply, is connected with the airbag control module and is used for receiving the safety control signal and then controlling the unlocking of the vehicle door;
wherein the vehicle collision safety control system further comprises a capacitor for providing a backup voltage to the body control module.
2. The vehicle crash safety control system according to claim 1, wherein the crash sensor module includes a front crash sensor, a side crash sensor, and a rear crash sensor.
3. The vehicle crash safety control system according to claim 2, wherein the front crash sensor is a center acceleration sensor, the side crash sensor is a cockpit outside acceleration sensor, and the rear crash sensor is a passenger cabin acceleration sensor.
4. The vehicle crash safety control system according to claim 1, wherein the airbag control module, the crash breaker, and the vehicle body control module are connected through a CAN bus.
5. The vehicle crash-safe control system according to claim 1, further comprising an auxiliary power supply and a disconnector, the auxiliary power supply being connected between the disconnector and the body control module.
6. The vehicle crash safety control system according to claim 1, further comprising an auxiliary control module connected to the airbag control module for receiving the safety control signal to control unlocking of the door when the vehicle body control module fails.
7. The vehicle crash safety control system according to claim 6, wherein the assist control module is provided at a rear of the vehicle.
8. The vehicle crash safety control system of claim 1, further comprising a door lock motor electrically or communicatively coupled to the body control module.
9. The vehicle crash safety control system of claim 1 further comprising an alarm module electrically connected or communicatively coupled to the body control module.
10. A vehicle characterized by comprising the vehicle collision safety control system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020036762.8U CN211765390U (en) | 2020-01-08 | 2020-01-08 | Vehicle collision safety control system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020036762.8U CN211765390U (en) | 2020-01-08 | 2020-01-08 | Vehicle collision safety control system and vehicle |
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| CN211765390U true CN211765390U (en) | 2020-10-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909889A (en) * | 2021-01-22 | 2021-06-04 | 浙江吉利控股集团有限公司 | Short-circuit protection device for vehicle |
| CN115217373A (en) * | 2022-03-31 | 2022-10-21 | 广州汽车集团股份有限公司 | Pre-collision door lock control method and device, vehicle and storage medium |
-
2020
- 2020-01-08 CN CN202020036762.8U patent/CN211765390U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909889A (en) * | 2021-01-22 | 2021-06-04 | 浙江吉利控股集团有限公司 | Short-circuit protection device for vehicle |
| CN115217373A (en) * | 2022-03-31 | 2022-10-21 | 广州汽车集团股份有限公司 | Pre-collision door lock control method and device, vehicle and storage medium |
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