CN108791154A - Airbag control module and system - Google Patents
Airbag control module and system Download PDFInfo
- Publication number
- CN108791154A CN108791154A CN201710307193.9A CN201710307193A CN108791154A CN 108791154 A CN108791154 A CN 108791154A CN 201710307193 A CN201710307193 A CN 201710307193A CN 108791154 A CN108791154 A CN 108791154A
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- Prior art keywords
- control module
- air bag
- airbag control
- airbag
- ignition
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Bags (AREA)
Abstract
The present invention proposes airbag control module and system, the airbag control module includes operating assembly and controller, the operating assembly receives one or more sensing signals from external sensor and the sensing signal is sent to the controller in real time, and at least one ignition circuit is driven to implement firing action so that corresponding air bag is unfolded based on the ignition control signal from the controller received, the controller determines whether to meet air bag igniting condition based on the sensing signal, and the ignition control signal is sent to the operating assembly in the case where meeting air bag igniting condition.Airbag control module disclosed in this invention and system have high using flexible, suitability and scalability.
Description
Technical field
The present invention relates to control module and systems, more particularly, to airbag control module and system.
Background technology
Currently, with growing and universal, the accidents such as collision occurred in the process of moving to vehicle the progress of vehicle
In real time monitor and in time triggering air bag to avoid or mitigation occupant actual bodily harm become more and more important.
In existing technical solution, the expansion of air bag is typically controlled as follows：With acceleration sensing
The safety air sac controller of device senses the current acceleration of vehicle in real time, other state parameters judgement of vehicle is combined to be therewith
Accidents and its position or orientation occurs for no collide etc., and if it is determined that the accidents such as collide then trigger it is corresponding safely
Airbag deployment.
However, there are the following problems for above-mentioned existing technical solution：（1）Due to the acceleration for sensing central accelerometer
Sensor is integrated in safety air sac controller, therefore the installation site of safety air sac controller is limited, i.e., it must be mounted
At central car body, to have higher requirement to vibration condition and signal circuit；（2）Since air bag controls
The unification of the circuit structure form of device, therefore the scheme of different demands grade（For example, lower grade is lighted a fire back comprising 1-2
Road（It is the circuit loop for causing corresponding airbag deployment by generating transient high-current）Safety air sac controller and
The safety air sac controller for including 16 ignition circuits of higher level）Use identical mechanical structure（Such as identical connection
Device, shell, substrate etc.）, so as to cause lower suitability and scalability.
Accordingly, there exist following demands：Air bag control with higher flexibility, suitability and scalability is provided
Molding block and system.
Invention content
In order to solve the problems existing in the prior art scheme, the present invention is proposed with higher flexibility, is fitted
Airbag control module with property and scalability and system.
According to an aspect of the present invention, it proposes airbag control module, the airbag control module includes
Operating assembly and controller, the operating assembly receive one or more sensing signals from external sensor and will in real time
The sensing signal is sent to the controller, and is driven based on the ignition control signal from the controller received
Dynamic at least one ignition circuit implements firing action so that corresponding air bag is unfolded, and the controller is based on the sensing signal
Determine whether to meet air bag igniting condition, and in the case where meeting air bag igniting condition to the operating assembly
Send the ignition control signal.
According to another aspect of the invention, it is proposed that control system of safety air bag, only includes peace recited above
Full air bag control module.
Another aspect according to the present invention, it is proposed that another control system of safety air bag, air bag control system
System includes at least two airbag control modules as described above, wherein each airbag control module includes two
To intermodule interconnection pin, and at least two airbag control module via respective intermodule interconnection pin to go here and there
The mode of connection is joined together, wherein each of described at least two airbag control modules being connected in series with are respectively only
On the spot working, sensing signal is collected and full air bag ignition condition distinguishing operates to execute.
Another aspect according to the present invention, it is proposed that another control system of safety air bag, air bag control system
System includes a main airbag control module and at least one from airbag control module, and the main air bag controls
Module is airbag control module as described above, only includes a pair of of intermodule interconnection pin, it is described it is at least one from
Each of airbag control module is also airbag control module as described above, but is each controlled from air bag
Module includes two pairs of intermodule interconnection pins and each from the controller in airbag control module without air bag
Ignition condition differentiates operation, wherein the main airbag control module and described at least one from airbag control module
It is joined together in series via respective intermodule interconnection pin.Wherein, described at least one from air bag
Each of control module receives one or more sensing signals from external sensor and in real time by the sensing signal
It is sent to the main airbag control module via the intermodule interconnection pin, the main airbag control module is real-time
Ground receives one or more sensing signals from external sensor, and the control in the only described main airbag control module
Device is based on one or more of sensing signals and from described at least one in each of the airbag control module
One or more sensing signals determine whether to meet air bag igniting condition.
Airbag control module disclosed in this invention and system have following advantages：（1）Since air bag controls
Module does not include acceleration transducer, therefore the installation site of airbag control module is unrestricted, to improve using spirit
Activity and reduce cost；（2）It is arbitrary due to that can be carried out using single airbag control module as basic element
Combination, therefore considerably improve suitability and scalability.
Description of the drawings
In conjunction with attached drawing, technical characteristic of the invention and advantage will be more fully understood by those skilled in the art, wherein：
Fig. 1 is the schematic diagram of airbag control module according to an embodiment of the invention；
Fig. 2 is the schematic diagram of control system of safety air bag according to an embodiment of the invention；
Fig. 3 is the schematic diagram of control system of safety air bag according to another embodiment of the present invention.
Specific implementation mode
Fig. 1 is the schematic diagram of airbag control module according to an embodiment of the invention.As shown in Figure 1, this
The disclosed airbag control module of invention includes operating assembly 1 and controller 2, and the operating assembly 1 receives in real time to be come
It is sent to the controller 2 from one or more sensing signals of external sensor and by the sensing signal, and based on connecing
The ignition control signal from the controller 2 that receives and drive at least one ignition circuit to implement firing action to be unfolded pair
The air bag answered, the controller 2 determines whether to meet air bag igniting condition based on the sensing signal, and is expiring
In the case of sufficient air bag igniting condition the ignition control signal is sent to the operating assembly 1.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the operating assembly 1
Further comprise sensor interface unit 4, intermodule interconnecting unit 5, ignition control unit 6 and power supply unit 7, the sensing
Device interface unit 4 is via at least one sensor interface pin（For example, 2 pins）Sensing letter is received from the external sensor
Number, and the sensing signal is sent to the controller 2, the intermodule interconnecting unit 5 can be via at least a pair of of module
Between interconnection pin（PSI1,PSI2,PSI3,PSI4）It is connected at least another airbag control module, and can be through
It is communicated with another described airbag control module by preset bidirectional communication protocol, the ignition control unit 6 receives
Ignition control signal from the controller 2, and at least based on the ignition control signal and via connection trigger
A pair of of ignition circuit pin and drive at least one ignition circuit to implement firing action, the power supply unit 7 is via power pins
（VBAT）And grounding pin（GND）Electric power and the other component offer electricity into the airbag control module are obtained from external
Power.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the operating assembly 1
Including four pairs of ignition circuit pins, wherein each pair of ignition circuit pin can be connected from different triggers to constitute a little respectively
Fiery circuit, each ignition circuit be used to trigger the expansion of corresponding air bag.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the air bag
Control module further comprises that two bus pins CAN_H and CAN_L, the controller 2 can be via the bus pins
CAN_H and CAN_L vehicle parameter information is read from vehicle-mounted CAN bus and by the vehicle-mounted CAN bus output data or
Instruction.Illustratively, it when collision accident has occurred in the judgement of the controller 2, locked door, broken by CAN bus transmission solution
Electric oil-break etc. instructs or uploads the data such as collision information.Illustratively, the controller 2 can be collected simultaneously by CAN bus
Store car status information（Accelerator pedal position, speed, brake pedal position, steering information, driving mileage data etc.
Deng）For colliding post analysis.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the air bag
Control module further comprises energy storage device 3, the energy storage device 3 be used to store electric energy and described in driving at least
One ignition circuit is implemented to assist the ignition control unit 6 sufficiently high to ignition circuit offer to be driven during firing action
Electric current with trigger trigger ignition.As a result, the energy storage device 3 can ensure when power failure or it is cut-off when still
Sufficiently high electric current is so capable of providing to trigger trigger ignition.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the energy storage
Device 3 is capacitor.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the external sense
Device includes but not limited to acceleration transducer and/or pressure sensor.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the air bag
Control module includes two pairs of intermodule interconnection pins（PSI1,PSI2,PSI3,PSI4）, and can be via two pairs of modules
Between interconnection pin be directly connected and communicate with another two airbag control module.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the operating assembly 1
It is application-specific integrated circuit（ASIC）.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the operating assembly 1
Pass through SPI with the controller 2（Serial Peripheral Interface (SPI)）Agreement is communicated.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the controller 2 is
The control unit of microprocessor or microcontroller or any other type.
Illustratively, in one embodiment of airbag control module disclosed in this invention, the controller 2 with
As under type determines whether to meet air bag igniting condition：Determine the one or more of sensing signals received（Such as
Acceleration signal and/or pressure signal）Value whether be more than scheduled threshold value, and if one or more of sensing signals
Value be more than scheduled threshold value, it is determined that currently meet air bag igniting condition（Judge collision accident）, and root
The one or more targeted security air bags for needing to be unfolded are determined according to the collision course indicated by one or more of sensing signals,
Ignition control signal is sent to the operating assembly 1 therewith to trigger one or more of targeted security air bags to be unfolded.
Invention also discloses control system of safety air bag, at one of control system of safety air bag disclosed in this invention
Only include an airbag control module illustrated above with reference to attached drawing 1 in embodiment.
Fig. 2 is the schematic diagram of control system of safety air bag according to an embodiment of the invention.As shown in Fig. 2,
In one embodiment of control system of safety air bag disclosed in this invention, the control system of safety air bag includes at least two
The airbag control module illustrated above with reference to attached drawing 1, wherein each airbag control module includes two pairs of modules
Between interconnection pin（PSI1,PSI2,PSI3,PSI4）, and at least two airbag control module is via respective mould
Interconnection pin is joined together in series between block.
Illustratively, as shown in Fig. 2, in one embodiment of control system of safety air bag disclosed in this invention, institute
Each of at least two airbag control modules being connected in series with are stated to be worked each independently to execute sensing signal collection
It is operated with full air bag ignition condition distinguishing（The driving of the ignition circuit of respective management and control and corresponding safety are controlled independently of one another
The expansion of air bag, does not interfere with each other）.
Illustratively, as shown in Fig. 2, in one embodiment of control system of safety air bag disclosed in this invention, institute
Stating can be via the intermodule interconnection pin between any two at least two airbag control modules being connected in series with
It is communicated directly to each other or indirectly to exchange vehicle configuration information.
Illustratively, as shown in Fig. 2, in one embodiment of control system of safety air bag disclosed in this invention, institute
It states and is communicated based on PSI agreements between any two at least two airbag control modules being connected in series with.
Fig. 3 is the schematic diagram of control system of safety air bag according to another embodiment of the present invention.Such as Fig. 3 institutes
Show, in another embodiment of control system of safety air bag disclosed in this invention, the control system of safety air bag includes
One main airbag control module and at least one from airbag control module, the main airbag control module is
Only include a pair of of intermodule interconnection pin such as the airbag control module that refer to the attached drawing 1 is illustrated above, described at least one
A from each of airbag control module is but not include such as the airbag control module that reference chart 1 is illustrated above
Bus pin CAN_H and CAN_L and include two pairs of intermodule interconnection pins, and the main airbag control module and institute
It states and at least one is joined together in series via respective intermodule interconnection pin from airbag control module.
Illustratively, as shown in figure 3, in another embodiment of control system of safety air bag disclosed in this invention,
At least one one or more senses received in real time from each of airbag control module from external sensor
It surveys signal and the sensing signal is sent to the main airbag control module via the intermodule interconnection pin（It is i.e. every
A controller from airbag control module is operated without air bag igniting condition distinguishing）.
Illustratively, as shown in figure 3, in another embodiment of control system of safety air bag disclosed in this invention,
The main airbag control module receives one or more sensing signals from external sensor in real time, and only described
Controller in main airbag control module be based on one or more of sensing signals and from it is described it is at least one from
One or more sensing signals in each of airbag control module determine whether to meet air bag igniting condition.
Illustratively, as shown in figure 3, in another embodiment of control system of safety air bag disclosed in this invention,
After the controller determination in the main airbag control module meets air bag igniting condition, the main air bag control
Collision course of the molding controller in the block indicated by the sensing signal determines the one or more targets for needing to be unfolded
Air bag, therewith to the airbag control module of the responsible one or more of targeted security air bags of supervision（Either institute
State main airbag control module or described at least one from airbag control module）Ignition control signal is sent to trigger
One or more of targeted security air bag expansion（For example, putting quick-fried preceding air bag if necessary, that just issues a command to air bag before connection
Airbag control module (be usually main airbag control module);A little quick-fried side air bag is needed, connecting side is just issued a command to
The airbag control module (being usually from airbag control module) of air bag）.
Illustratively, as shown in figure 3, in another embodiment of control system of safety air bag disclosed in this invention,
Between the main airbag control module being connected in series with and at least one any two from airbag control module
It can directly to each other or indirectly be communicated via the intermodule interconnection pin to exchange vehicle configuration information.
Illustratively, as shown in figure 3, in another embodiment of control system of safety air bag disclosed in this invention,
The main airbag control module can be configured before being actually used（Such as it is carried out initial program）So that its
Know airbag control module configuration information（Such as comprising which from airbag control module and that from substitute
Capsule control module is responsible for which air bag etc. monitored）.
Illustratively, as shown in figure 3, in another embodiment of control system of safety air bag disclosed in this invention,
The only described main airbag control module can read vehicle ginseng via bus pin CAN_H and CAN_L from vehicle-mounted CAN bus
It counts information and passes through the vehicle-mounted CAN bus output data or instruction.Illustratively, when the main airbag control module
Judgement is when having occurred collision accident, and sending solution by CAN bus instruction or the upload collision information such as locks door, power off oil-break
Etc. data.Illustratively, the main airbag control module can be collected by CAN bus and store car status information
（Such as accelerator pedal position, speed, brake pedal position, steering information, driving mileage data etc.）After collision
Analysis.
Illustratively, as shown in figure 3, in another embodiment of control system of safety air bag disclosed in this invention,
The main airbag control module determines whether to meet air bag igniting condition as follows：Determine the sensing received
Signal（Carry out autonomous airbag control module and comes since airbag control module, such as acceleration signal and/or pressure
Signal etc.）Value whether be more than scheduled threshold value, and if one or more of sensing signals value be more than it is scheduled
Threshold value, it is determined that currently meet air bag igniting condition（Judge collision accident）.
Therefore airbag control module disclosed in this invention and system at least have following advantages：（1）Due to
Airbag control module does not include acceleration transducer, therefore the installation site of airbag control module is unrestricted, to
It improves using flexible and reduces cost；（2）Due to can be using single airbag control module as substantially first
Element is arbitrarily combined, therefore considerably improves suitability and scalability.
Although the present invention is described by above-mentioned preferred embodiment, way of realization is not limited to
Above-mentioned embodiment.It should be realized that：In the case where not departing from spirit and scope of the present invention, those skilled in the art can be with
Different change and modification are made to the present invention.
Claims (20)
1. a kind of airbag control module, the airbag control module includes operating assembly and controller, the operation
Component receives one or more sensing signals from external sensor and the sensing signal is sent to the control in real time
Device processed, and drive at least one ignition circuit to implement point based on the ignition control signal from the controller received
Corresponding air bag is unfolded, the controller determines whether to meet air bag igniting based on the sensing signal for fire action
Condition, and in the case where meeting air bag igniting condition the ignition control signal is sent to the operating assembly.
2. airbag control module according to claim 1, which is characterized in that the operating assembly further comprises passing
Sensor interface unit, intermodule interconnecting unit, ignition control unit and power supply unit, the sensor interface unit is via extremely
A few sensor interface pin receives sensing signal from the external sensor, and the sensing signal is sent to the control
Device processed, the intermodule interconnecting unit can be controlled via at least a pair of of intermodule interconnection pin at least another air bag
Module is connected, and can be communicated with another described airbag control module via preset bidirectional communication protocol,
The ignition control unit receives the ignition control signal from the controller, and is based on the ignition control signal and warp
At least one ignition circuit is driven to implement firing action, the power supply by least a pair of of ignition circuit pin of connection trigger
Unit obtains electric power and the other component into the airbag control module via power pins and grounding pin from outside
Electric power is provided.
3. airbag control module according to claim 2, which is characterized in that the operating assembly includes four pairs of igniting
Return pins, wherein each pair of ignition circuit pin can be connected from different triggers to constitute ignition circuit, each respectively
Ignition circuit be used to trigger the expansion of corresponding air bag.
4. airbag control module according to claim 3, which is characterized in that the airbag control module is into one
Step includes energy storage device, and the energy storage device be used to store electric energy and drive at least one ignition circuit real
It assists the ignition control unit to provide sufficiently high electric current to ignition circuit to be driven during applying firing action to trigger to draw
Quick-fried device is ignited.
5. airbag control module according to claim 4, which is characterized in that the controller determines as follows
Whether air bag igniting condition is met：It is scheduled to determine whether the value of the one or more of sensing signals received is more than
Threshold value, and if the value of one or more of sensing signals is more than scheduled threshold value, it is determined that currently meet air bag
Ignition condition, and the collision course indicated by one or more of sensing signals determines need to be unfolded one or more
A targeted security air bag sends ignition control signal to trigger one or more of targeted securities to the operating assembly therewith
Airbag deployment.
6. airbag control module according to claim 5, which is characterized in that the airbag control module is into one
Step includes two bus pins CAN_H and CAN_L, and the controller can be via the bus pin CAN_H and CAN_L from vehicle
It carries and reads vehicle parameter information in CAN bus and pass through the vehicle-mounted CAN bus output data or instruction.
7. airbag control module according to claim 6, which is characterized in that the energy storage device is capacitor.
8. airbag control module according to claim 7, which is characterized in that the airbag control module includes
Two pairs of intermodule interconnection pins, and can directly be controlled with another two air bag via two pairs of intermodule interconnection pins
Module is connected and communicates.
9. airbag control module according to claim 8, which is characterized in that the operating assembly is special integrated electricity
Road（ASIC）.
10. a kind of control system of safety air bag, the control system of safety air bag includes appointing at least two such as claim 1-6
Airbag control module described in one, wherein each airbag control module includes two pairs of intermodule interconnection pins,
And at least two airbag control module is connected in series via respective intermodule interconnection pin
Together.
11. control system of safety air bag according to claim 10, which is characterized in that at least two be connected in series with
Each of airbag control module works each independently to be collected and full air bag ignition condition distinguishing with executing sensing signal
Operation.
12. control system of safety air bag according to claim 11, which is characterized in that at least two be connected in series with
Can directly to each other or indirectly it lead to via the intermodule interconnection pin between any two in airbag control module
Letter is to exchange vehicle configuration information.
13. a kind of control system of safety air bag, the control system of safety air bag include a main airbag control module with
And it is at least one from airbag control module, the main airbag control module is such as any of claim 1-4 institutes
The airbag control module stated only includes a pair of of intermodule interconnection pin, described at least one from air bag control mould
In the block is each the airbag control module as described in any of claim 1-4, but is each controlled from air bag
Module includes two pairs of intermodule interconnection pins and each from the controller in airbag control module without air bag
Ignition condition differentiates operation, wherein the main airbag control module and described at least one from airbag control module
It is joined together in series via respective intermodule interconnection pin.
14. control system of safety air bag according to claim 13, which is characterized in that described at least one from air bag
Each of control module receives one or more sensing signals from external sensor and in real time by the sensing signal
It is sent to the main airbag control module via the intermodule interconnection pin.
15. control system of safety air bag according to claim 14, which is characterized in that the main airbag control module
One or more sensing signals from external sensor are received in real time, and in the only described main airbag control module
Controller is based on one or more of sensing signals and from described at least one from every in airbag control module
A one or more sensing signals determine whether to meet air bag igniting condition.
16. control system of safety air bag according to claim 15, which is characterized in that the main airbag control module
Further comprise that two bus pins CAN_H and CAN_L, the controller can be via the bus pin CAN_H and CAN_L
Vehicle parameter information is read from vehicle-mounted CAN bus and passes through the vehicle-mounted CAN bus output data or instruction.
17. control system of safety air bag according to claim 16, which is characterized in that when the main air bag controls mould
After controller determination in the block meets air bag igniting condition, the controller in the main airbag control module is according to institute
It states the collision course indicated by sensing signal and determines the one or more targeted security air bags for needing to be unfolded, therewith to responsible supervision
The airbag control modules of one or more of targeted security air bags send ignition control signal with trigger it is one or
Multiple targeted security air bag expansion.
18. control system of safety air bag according to claim 17, which is characterized in that the main airbag control module
It can be configured before being actually used so that it knows airbag control module configuration information.
19. control system of safety air bag according to claim 18, which is characterized in that the only described main air bag controls mould
Block can read from vehicle-mounted CAN bus vehicle parameter information via bus pin CAN_H and CAN_L and by described vehicle-mounted
CAN bus output data or instruction.
20. a kind of control system of safety air bag, the control system of safety air bag only includes any in one such as claim 1-9
A airbag control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307193.9A CN108791154B (en) | 2017-05-04 | 2017-05-04 | Airbag control module and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307193.9A CN108791154B (en) | 2017-05-04 | 2017-05-04 | Airbag control module and system |
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| Publication Number | Publication Date |
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| CN108791154A true CN108791154A (en) | 2018-11-13 |
| CN108791154B CN108791154B (en) | 2022-06-07 |
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| CN201710307193.9A Active CN108791154B (en) | 2017-05-04 | 2017-05-04 | Airbag control module and system |
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| CN204077392U (en) * | 2014-07-23 | 2015-01-07 | 上海禾未新能源科技有限公司 | The safety device of batteries of electric automobile group collision active safety feature, electronlmobil |
| CN106585545A (en) * | 2016-11-18 | 2017-04-26 | 成都渔夫科技有限公司 | Air bag control device for judging protecting types based on weight |
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