CN216783453U - Air bag electrical system and vehicle - Google Patents
Air bag electrical system and vehicle Download PDFInfo
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- CN216783453U CN216783453U CN202121870441.9U CN202121870441U CN216783453U CN 216783453 U CN216783453 U CN 216783453U CN 202121870441 U CN202121870441 U CN 202121870441U CN 216783453 U CN216783453 U CN 216783453U
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Abstract
The utility model relates to an airbag electronic control system and a vehicle. The airbag electric control system of the present invention includes: the central electronic control unit generates and outputs an action command signal according to the collision signal received from the collision sensor; and one or more satellite electronic control units which are in wireless connection with the central electronic control unit and control the action of the safety device according to the action command signal from the central electronic control unit. According to the airbag electronic control system, the main electronic control unit is divided into the central electronic control unit and the one or more satellite electronic control units, and the central electronic control unit is connected with the satellite electronic control units in a wireless communication mode, so that wiring in a vehicle can be reduced, and the degree of freedom of the position of a seat is not influenced.
Description
Technical Field
The utility model relates to an air bag control technology, in particular to an air bag electric control system.
Background
An airbag system is a system for protecting a driver and passengers from a collision of a vehicle, and generally includes: crash sensors, airbag electronic control units, gas generators, and airbag assemblies (otherwise referred to as "safety devices," including, for example, airbags, seat belt retractors, etc.). The working principle of the safety air bag system is as follows: when a collision occurs, the acceleration sensor captures a collision signal, the safety airbag electronic control unit collects, analyzes, judges and processes the collision signal, and timely sends an ignition instruction to drive the gas generator to ignite, so that the safety airbag is ignited.
Wherein, the function of air bag electric control unit includes: receiving and processing a collision signal acquired by a collision sensor; and judging whether to send an ignition signal according to the collision signal, and sending a related action instruction according to a judgment result.
In the prior art, an electric control unit is arranged in a vehicle and is directly connected with a related safety airbag on the vehicle. Since vehicle seats are generally fixed in the prior art, airbags are generally disposed at various locations in the vehicle (e.g., steering wheel, over windows, etc.). However, as vehicle technology develops, the degree of freedom of the vehicle seat in the future may be high (for example, 360 degrees of rotation), and if the electronic control unit in the prior art is still adopted, a plurality of cables are required to be connected from the electronic control unit to the seat to realize connection with the air bag, so that the wiring in the vehicle becomes complicated, and the degree of freedom of the seat position is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention aims to provide an airbag electric control system capable of reducing wiring in a vehicle and not affecting the degree of freedom of the seat position.
An airbag electronic control system according to an aspect of the present invention is characterized by comprising:
the central electronic control unit generates and outputs an action command signal according to the collision signal received from the collision sensor; and
and the one or more satellite electronic control units are connected with the central electronic control unit in a wireless communication mode and control the action of the safety device according to the action command signal from the central electronic control unit.
Optionally, the satellite electronic control unit is provided corresponding to a vehicle seat position.
Optionally, the satellite electronic control unit is provided corresponding to a safety device position of the vehicle.
Optionally, the satellite electronic control units are arranged in one-to-one correspondence with the vehicle seats.
Optionally, the satellite electronic control unit is integrated within each vehicle seat.
Optionally, when there are a plurality of satellite electronic control units, each of the satellite electronic control units has the same structure.
Optionally, the central electronic control unit comprises:
a first receiving module that receives an impact signal from an impact sensor;
the first control module generates the action instruction signal according to the collision signal; and
and the first wireless communication module is connected with the satellite electric control unit in a wireless communication mode and realizes data transmission with the satellite electric control unit.
Optionally, the satellite electronic control unit includes:
the second wireless communication module is connected with the central electronic control unit in a wireless communication mode and realizes data transmission with the central electronic control unit; and
and the second control module controls the action of a safety device of the vehicle according to the action command signal from the central electronic control unit.
Optionally, the satellite electronic control unit further includes:
and the second receiving module is used for receiving seat position information and occupant state information from a vehicle seat sensor and providing the seat position information and the occupant state information to the central electronic control unit through the second wireless communication module.
A vehicle according to an aspect of the utility model is characterized by including the airbag electronic control system.
As described above, according to the airbag electronic control system of the present invention, the main electronic control unit is split into the central electronic control unit and the one or more satellite electronic control units, and the central electronic control unit and the satellite electronic control units are connected in the wireless communication manner, so that wiring in the vehicle can be reduced, the degree of freedom of the seat position is not affected, and the potential needs of future vehicle development are met, and the satellite electronic control units can be standardized, thereby also achieving reduction of development cost.
Particular embodiments may exhibit some of the above technical advantages. Other technical advantages will be readily apparent to one skilled in the art from the following figures, detailed description, and claims.
Drawings
Embodiments of the present invention will now be described, by way of example, with reference to the accompanying drawings, aspects of the present disclosure and advantages thereof being better understood with reference to the following drawings and detailed description, wherein:
fig. 1 is a schematic configuration diagram showing one embodiment of the electronic control system of an airbag of the present invention.
Fig. 2 is a schematic view showing the configuration of a central electronic control unit in one embodiment of the electronic control system of an airbag of the present invention.
Fig. 3 is a schematic view showing the construction of a satellite electronic control unit in one embodiment of the airbag electronic control system of the present invention.
Detailed Description
The following description is of some of the several embodiments of the utility model and is intended to provide a basic understanding of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model. For the purposes of brevity and explanation, the principles of the utility model are described herein with reference primarily to exemplary embodiments thereof. However, those skilled in the art will readily recognize that the same principles are equally applicable to all types of airbag electrical control systems, and that these same principles, as well as any such variations, may be implemented therein without departing from the true spirit and scope of the present patent application.
Moreover, in the following description, reference is made to the accompanying drawings that illustrate certain exemplary embodiments. Electrical, mechanical, logical, and structural changes may be made to these embodiments without departing from the spirit and scope of the utility model. In addition, while a feature of the utility model may have been disclosed with respect to only one of several implementations/embodiments, such feature may be combined with one or more other features of the other implementations/embodiments as may be desired and/or advantageous for any given or identified function. The following description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims and their equivalents.
Words such as "comprising" and "comprises" mean that, in addition to having elements and steps which are directly and explicitly stated in the description and the claims, the solution of the utility model does not exclude other elements and steps which are not directly or explicitly stated.
The technical idea of the utility model is to split the electric control unit related to the control of the safety air bag in the prior art into two parts: the part connected with the collision sensor is used as a central electronic control unit; the part of the explosion safety air bag is used as a satellite electric control unit.
In the utility model, a central electronic control unit is integrated on a vehicle body chassis, and the central electronic control unit has the main functions of receiving a collision signal of a collision sensor, judging whether a vehicle collides according to the collision signal, generating an action command signal for controlling a safety device if the vehicle is judged to collide, and sending the action command signal to a satellite electronic control unit in a wireless communication mode. The central electric control unit of the utility model is realized by adopting the existing electric control unit.
In the utility model, the satellite electronic control unit is coupled with the main electronic control unit in a wireless communication mode. The satellite ecu may be arranged corresponding to the position of a safety device (including, for example, an airbag, a seat belt retractor, etc.), or may be arranged corresponding to the position of each seat. For example, in the case of one satellite electronic control unit for each seat, the satellite electronic control unit may be integrated in each seat of the vehicle. The main function of the satellite ecu of the present invention is to receive an operation command signal from the main ecu through wireless communication to control the operation of the safety device (for example, the operation of airbag deployment, seat belt retractor tightening, etc.).
The satellite electric control unit is realized by the conventional satellite electric control unit. Moreover, the satellite electronic control unit can be standardized, for example, the satellite electronic control unit with the same structure is adopted for each seat, and if the vehicle needs to be additionally provided with one seat, the satellite electronic control unit is only additionally arranged without redesigning.
Hereinafter, an embodiment of an airbag electronic control system according to the present invention will be described.
Fig. 1 is a schematic configuration diagram showing an embodiment of an electronic control system for an airbag according to the present invention.
As shown in fig. 1, the airbag electric control system of the present invention includes:
a central electronic control unit 100 that generates and outputs an operation instruction signal based on a collision signal received from a collision sensor; and
and one or more satellite electronic control units 200 wirelessly connected with the central electronic control unit 100 for controlling the operation of the safety device according to the operation command signal from the central electronic control unit 100.
A scenario with multiple satellite ecu's 200 is illustrated in fig. 1. The number of the satellite ecu 200 is not limited in the present invention.
The safety device may be, for example, an airbag, a seatbelt retractor, or the like, but may include other devices capable of protecting the safety of an occupant. The action of the safety device here may be, for example, the ignition of an airbag or a seat belt retractor.
In the present embodiment, the satellite ecu 200 is provided corresponding to the vehicle seat position, and the satellite ecu 200 is provided in one-to-one correspondence with the vehicle seat, for example, integrated in the vehicle seat. For example, in the case of 5 vehicle seats, 5 satellite electronic control units are provided, and each of the satellite electronic control units has the same structure.
Fig. 2 is a schematic view showing the configuration of a central electronic control unit in one embodiment of the electronic control system for an airbag of the present invention.
As shown in fig. 2, the central electronic control unit 100 includes:
a first receiving module 110 receiving an impact signal from an impact sensor;
the first control module 120 generates the action instruction signal according to the collision signal; and
the first wireless communication module 130 is wirelessly connected with the satellite electronic control unit 200 to realize data transmission with the satellite electronic control unit 200.
Fig. 3 is a schematic diagram showing the construction of a satellite electronic control unit in one embodiment of the airbag electronic control system of the present invention.
As shown in fig. 3, the satellite ecu 200 includes:
the second wireless communication module 210 is wirelessly connected with the central electronic control unit 100 to realize data transmission with the central electronic control unit 100;
a second control module 220 for controlling the operation of the safety device of the vehicle according to the operation command signal received from the central electronic control unit 100 from the second wireless communication module 210; and a second receiving module 230 for receiving seat position information and occupant status information from a vehicle seat sensor and providing them to the central electronic control unit 100 through the second wireless communication module 210.
Thus, the second receiving module 230 in the satellite ecu 200 receives the seat position information and the occupant state information (for example, the seat position, the weight of the occupant, whether the seat belt is fastened, etc.) of the vehicle seat sensor, the second wireless communication module 210 transmits the information to the central ecu 100 through wireless communication, and the central ecu 100 integrates the information (i.e., the seat position information, the occupant state information, and the collision signal) to transmit the operation command signal (i.e., the ignition signal).
According to the airbag electronic control system, the main electronic control unit is divided into the central electronic control unit and the satellite electronic control unit, and the central electronic control unit and the satellite electronic control unit are connected in a wireless communication mode, so that wiring in a vehicle can be reduced, the freedom degree of the seat position is not influenced, the potential requirements of future vehicle development are met, and the satellite electronic control unit can be standardized, so that the development cost can be reduced.
The utility model also provides a vehicle which comprises the airbag electric control system.
Various embodiments of the airbag electronic control system of the present invention have been described in detail above. Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. An electronic airbag control system, comprising:
the central electronic control unit generates and outputs an action command signal according to the collision signal received from the collision sensor; and
and the one or more satellite electronic control units are connected with the central electronic control unit in a wireless communication mode and control the action of the safety device according to the action command signal from the central electronic control unit.
2. An electronic control system for an airbag according to claim 1,
the satellite electronic control unit is arranged corresponding to the position of the vehicle seat.
3. An electronic control system for an airbag according to claim 1,
the satellite electronic control unit is arranged corresponding to the position of a safety device of the vehicle.
4. An air bag electric control system according to claim 2,
the satellite electronic control units are arranged in one-to-one correspondence with the vehicle seats.
5. An air bag electric control system according to claim 4,
the satellite electronic control unit is integrated in each vehicle seat.
6. An electronic control system for an airbag according to claim 1,
under the condition that the number of the satellite electric control units is multiple, each satellite electric control unit has the same structure.
7. An electronic control system for an airbag according to claim 1 wherein said central electronic control unit comprises:
a first receiving module that receives the impact signal from an impact sensor;
the first control module generates the action instruction signal according to the collision signal; and
and the first wireless communication module is connected with the satellite electric control unit in a wireless communication mode to realize data transmission with the satellite electric control unit.
8. An airbag electronic control system as defined in claim 7 wherein the satellite electronic control unit comprises:
the second wireless communication module is connected with the central electronic control unit in a wireless communication mode to realize data transmission with the central electronic control unit; and
and the second control module controls the action of a safety device of the vehicle according to the action command signal from the central electronic control unit.
9. An airbag electronic control system as defined in claim 8 wherein the satellite electronic control unit further comprises:
and the second receiving module is used for receiving seat position information and occupant state information from a vehicle seat sensor and providing the seat position information and the occupant state information to the central electronic control unit through the second wireless communication module.
10. A vehicle characterized by comprising an airbag electric control system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121870441.9U CN216783453U (en) | 2021-08-11 | 2021-08-11 | Air bag electrical system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121870441.9U CN216783453U (en) | 2021-08-11 | 2021-08-11 | Air bag electrical system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216783453U true CN216783453U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121870441.9U Active CN216783453U (en) | 2021-08-11 | 2021-08-11 | Air bag electrical system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216783453U (en) |
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2021
- 2021-08-11 CN CN202121870441.9U patent/CN216783453U/en active Active
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