Ignition method, device, vehicle and equipment for vehicle safety measures

Abstract

Embodiments of the present application provide a kind of vehicle safety measure ignition method, device, vehicle and equipment.Therein ignition method includes: obtaining the collision information of vehicle.Based on the collision information of vehicle, at least one effective ignition level of vehicle is determined.The collision information of vehicle satisfies the preset condition of effective ignition level, wherein.Based on at least one effective ignition level, at least one corresponding safety measure is executed.The ignition level of one corresponds to one safety measure, and different ignition levels correspond to different safety measures.One safety measure includes: the seat belt pretensioning ignition of main driver's seat, the seat belt pretensioning ignition of copilot seat, the airbag ignition of main driver's seat or the airbag ignition of copilot seat.The present application is used to improve the problem of low precision of safety measure due to uniform centralized ignition.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle safety, and in particular, to a method and device for igniting vehicle safety measures, a vehicle and an apparatus. BACKGROUND

[0002] In order to protect the safety of passengers, the main driver seat and the co-driver seat of a vehicle are configured with safety measures, such as seat belt pretensioning or opening of an airbag. However, when the vehicle is in a collision, the seat belt pretensioning and the opening of the airbag are executed at the same time, and the safety measures of the main driver seat and the co-driver seat are also executed at the same time. Such indiscriminate execution of safety measures reduces the accuracy of the implementation of the safety measures and can increase the cost of maintenance or replacement of the airbag. SUMMARY

[0003] Therefore, embodiments of the present application provide a method and device for igniting vehicle safety measures, a vehicle and an apparatus to improve the problem of low accuracy of safety measures due to unified and centralized ignition.

[0004] In a first aspect, embodiments of the present application provide a method for igniting vehicle safety measures, comprising:

[0005] Obtaining collision information of a vehicle.

[0006] Based on the collision information of the vehicle, determining at least one effective ignition level of the vehicle. Wherein the collision information of the vehicle satisfies a preset condition of the effective ignition level.

[0007] Based on the at least one effective ignition level, executing at least one corresponding safety measure. Wherein one ignition level corresponds to one safety measure, and different ignition levels correspond to different safety measures. One safety measure includes: ignition of seat belt pretensioning of the main driver seat, ignition of seat belt pretensioning of the co-driver seat, ignition of the airbag of the main driver seat, or ignition of the airbag of the co-driver seat.

[0008] In a possible implementation manner of the first aspect, obtaining the collision information of the vehicle comprises:

[0009] Obtaining collision acceleration information of the vehicle.

[0010] Performing data processing on the collision acceleration information of the vehicle to obtain the collision information of the vehicle.

[0011] In a possible implementation manner of the first aspect, obtaining the collision acceleration information of the vehicle comprises:

[0012] The collision acceleration signal of the vehicle is obtained, and the collision acceleration signal includes a first acceleration signal, a second acceleration signal and a third acceleration signal, the first acceleration signal is obtained by a first acceleration sensor located at a left front part of the vehicle body, the second acceleration signal is obtained by a second acceleration sensor located at a right front part of the vehicle body, and the third acceleration signal is obtained by a third acceleration sensor located at a middle part of the vehicle body, and an included angle between a first sensing direction of the third acceleration sensor and a first direction of the vehicle body is an acute angle, and the first direction is parallel to a straight running direction of the vehicle.

[0013] The collision acceleration signal of the vehicle is filtered.

[0014] The collision acceleration signal of the vehicle after the filtering is normalized to obtain collision acceleration information of the vehicle.

[0015] In a possible implementation manner of the first aspect, the included angle between the first sensing direction of the third acceleration sensor and the first direction of the vehicle body is 45 degrees.

[0016] In a possible implementation manner of the first aspect, the collision acceleration signal of the vehicle is obtained by:

[0017] The first sub-acceleration and the second sub-acceleration are obtained by the third acceleration sensor, a direction of the first sub-acceleration is perpendicular to a direction of the second sub-acceleration, and the first sub-acceleration is parallel to the first sensing direction. The third acceleration signal is a component of a sum of the first sub-acceleration and the second sub-acceleration in the first direction.

[0018] In a possible implementation manner of the first aspect, the collision acceleration information of the vehicle includes first collision acceleration information, second collision acceleration information and third collision acceleration information.

[0019] The collision information of the vehicle includes a first collision degree, a second collision degree, a third collision degree, a fourth collision degree, a fifth collision degree and a sixth collision degree.

[0020] The collision acceleration information of the vehicle is processed by data processing to obtain the collision information of the vehicle, and the processing includes:

[0021] The third collision acceleration information is integrated to obtain the first collision degree.

[0022] The first collision acceleration information is integrated to obtain the second collision degree.

[0023] The second collision acceleration information is integrated to obtain the third collision degree.

[0024] The difference between the third collision acceleration information and the first collision acceleration information is integrated to obtain the fourth collision degree.

[0025] Integrating the difference between the third crash acceleration information and the second crash acceleration information obtains a fifth crash degree.

[0026] Fully integrating the third crash acceleration information obtains a sixth crash degree.

[0027] In a possible implementation of the first aspect, determining at least one valid ignition level of the vehicle based on the crash information of the vehicle comprises:

[0028] The first ignition level of the vehicle is valid when the first crash degree is greater than the first threshold, the second crash degree is greater than the second threshold, and the sixth crash degree is greater than the sixth threshold.

[0029] The second ignition level of the vehicle is valid when the first crash degree is greater than the first threshold, the third crash degree is greater than the third threshold, and the sixth crash degree is greater than the sixth threshold.

[0030] The third ignition level of the vehicle is valid when the first ignition level of the vehicle is valid, and the fourth crash degree is greater than the fourth threshold.

[0031] The fourth ignition level of the vehicle is valid when the second ignition level of the vehicle is valid, and the fifth crash degree is greater than the fifth threshold.

[0032] In a possible implementation of the first aspect, performing at least one corresponding safety measure based on the at least one valid ignition level comprises:

[0033] Performing a seat belt pretensioning ignition of a main driver seat based on the first ignition level of the vehicle being valid.

[0034] Performing a seat belt pretensioning ignition of a co-driver seat based on the second ignition level of the vehicle being valid.

[0035] Performing an airbag ignition of the main driver seat based on the third ignition level of the vehicle being valid.

[0036] Performing an airbag ignition of the co-driver seat based on the fourth ignition level of the vehicle being valid.

[0037] In a second aspect, an embodiment of the present application provides a vehicle safety measure ignition device, comprising:

[0038] A processing unit is configured to obtain crash information of a vehicle.

[0039] The processing unit is further configured to determine at least one valid ignition level of the vehicle based on the crash information of the vehicle, wherein the crash information of the vehicle satisfies a preset condition of the valid ignition level.

[0040] The processing unit is further configured to execute at least one safety measure corresponding to the at least one valid ignition level. In one embodiment, one ignition level corresponds to one safety measure, and different ignition levels correspond to different safety measures. The safety measure includes: ignition of a safety belt of a driver seat, ignition of a safety belt of a passenger seat, ignition of an airbag of the driver seat, or ignition of an airbag of the passenger seat.

[0041] In a third aspect, the embodiments of the present application provide a vehicle. The ignition method of the safety measure of the vehicle is the ignition method provided in the first aspect, or the vehicle comprises the ignition device provided in the second aspect.

[0042] In a fourth aspect, the embodiments of the present application provide an electronic device. The electronic device comprises a memory for storing computer program instructions and a processor for executing the program instructions. When the computer program instructions are executed by the processor, the electronic device executes the method provided in the first aspect.

[0043] In a fifth aspect, the embodiments of the present application provide a computer readable storage medium. The computer readable storage medium comprises a stored program. When the program is running, the computer readable storage medium controls the device where the computer readable storage medium is located to execute the method provided in the first aspect.

[0044] In a sixth aspect, the embodiments of the present application provide a computer program product. The computer program product comprises executable instructions. When the executable instructions are executed on a computer, the computer executes the method provided in the first aspect.

[0045] The ignition method provided in the embodiments of the present application can realize the time-sharing opening of the airbag of the driver seat and the airbag of the passenger seat, that is, the separated ignition, thereby improving the problem of low accuracy of the safety measure caused by the unified and centralized ignition. BRIEF DESCRIPTION OF DRAWINGS

[0046] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0047] Figure 1 A flowchart of the ignition method of the safety measure of the vehicle provided in the embodiments of the present application;

[0048] Figure 2 An installation position diagram of the first acceleration sensor, the second acceleration sensor and the third acceleration sensor provided in the embodiments of the present application;

[0049] Figure 3A flowchart for obtaining collision information of a vehicle is provided in an embodiment of the present application.

[0050] Figure 4 A principle diagram of a crossing mark is provided in an embodiment of the present application.

[0051] Figure 5 A schematic diagram of a collision degree, a threshold value and an ignition working condition is provided in an embodiment of the present application.

[0052] Figure 6 A schematic diagram of an effective ignition level is provided in an embodiment of the present application.

[0053] Figure 7 A schematic diagram of an electronic device is provided in an embodiment of the present application. DETAILED DESCRIPTION

[0054] In order to better understand the technical solutions of the present application, the embodiments of the present application are described in detail below with reference to the drawings.

[0055] It should be clear that the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0056] The terms used in the embodiments of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application. The singular forms "a", "an" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0057] It should be understood that the term "and / or" used herein is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are in an "or" relationship.

[0058] When a car collides, the airbag controller drives the ignition device to ignite and generate gas, and the generated gas is injected into the airbag to inflate and expand instantaneously to protect the passengers from impact and injury. The seat belt is another passenger safety device in addition to the airbag. In the early stage of a car collision, the seat belt is pre-tightened to effectively restrain the passengers, thereby achieving the purpose of protecting the passengers.

[0059] In the frontal collision of the automobile, the ignition mode of the seat belt pretensioning and the airbag is unified and centralized ignition, that is, the airbag, the seat belt pretensioning and different passenger positions are ignited at one time. The ignition accuracy is a crucial factor for the passive safety protection effect of the passenger. Obviously, the accuracy of such unified and centralized ignition still has room for improvement.

[0060] In addition, the airbag is mostly a consumable, that is, the airbag can only be replaced or repaired after being opened and cannot be self-deployed for repeated use. Therefore, such unified and centralized ignition can cause unnecessary consumption of the airbag and increase the maintenance cost in the later period.

[0061] As shown in Figure 1 The embodiment of the present application provides a kind of ignition method of vehicle safety measures, comprising:

[0062] S100, the collision information of vehicle is acquired.

[0063] The collision information is used to represent the collision degree of the vehicle. In step S100, the collision information of the vehicle can be obtained by the collision sensor, and the collision information of the vehicle can also be obtained by the acceleration sensor and combined with operation processing.

[0064] In one possible implementation, the collision information of the vehicle includes:

[0065] S110, the collision acceleration information of the vehicle is acquired.

[0066] In step S110, the collision acceleration information of the vehicle can be obtained by the acceleration sensor.

[0067] In one possible implementation, the collision acceleration information of the vehicle includes first collision acceleration information, second collision acceleration information and third collision acceleration information.

[0068] In one possible implementation, the collision acceleration information of the vehicle includes:

[0069] S111, the collision acceleration signal of the vehicle is acquired, and the collision acceleration signal includes first acceleration signal A_fl, second acceleration signal A_fr and third acceleration signal A_axy. As shown in Figure 2 The first acceleration signal A_fl is obtained by the first acceleration sensor 201 located at the left front part of the vehicle body 200, the second acceleration signal A_fr is obtained by the second acceleration sensor 202 located at the right front part of the vehicle body 200, and the third acceleration signal A_axy is obtained by the third acceleration sensor 203 located at the middle part of the vehicle body 200. The included angle α between the first sensing direction Z of the third acceleration sensor 203 and the first direction X of the vehicle body is an acute angle, and the first direction X is parallel to the straight direction of the vehicle.

[0070] In step S111, the first acceleration sensor 201 is fixedly installed at a left front position of the vehicle body, for example, the first acceleration sensor 201 is fixedly installed on the vehicle body near or around the left front lamp. For example, the first acceleration sensor 201 is installed on the vehicle frame, and the distance from the left front lamp is less than or equal to a set threshold value, which can be 10-30 cm. The second acceleration sensor 202 is fixedly installed at a right front position of the vehicle body, for example, the second acceleration sensor 202 is fixedly installed on the vehicle body near or around the right front lamp. For example, the second acceleration sensor 202 is installed on the vehicle frame, and the distance from the right front lamp is less than or equal to a set threshold value, which can be 10-30 cm.

[0071] The first acceleration signal A_fl is used to represent the first acceleration. The second acceleration signal A_fr is used to represent the second acceleration. The direction of the first acceleration is parallel to the first direction. The direction of the second acceleration is parallel to the first direction.

[0072] The third acceleration sensor 203 is fixedly installed at a middle position of the vehicle body 200. In a possible implementation, the middle position can be within a range of 0-50 cm from the center of the vehicle body. In a possible implementation, the third acceleration sensor is fixedly installed on the vehicle body and located in the driver's cabin.

[0073] The first sensing direction Z of the third acceleration sensor 203 is one of its working directions, and the working direction is the direction of the acceleration collected by the acceleration sensor when it is working. Taking the third acceleration sensor as a capacitive acceleration sensor, for example, the first sensing direction can be the direction of the movement of the capacitive plate in the capacitive acceleration sensor.

[0074] The first sensing direction Z of the third acceleration sensor 203 forms an acute angle with the first direction X, which can enable the third acceleration sensor 203 to collect a plurality of accelerations, and then synthesize the plurality of accelerations to obtain the final acceleration, so as to improve the accuracy of the information.

[0075] In a possible implementation, the included angle between the first sensing direction Z of the third acceleration sensor 203 and the first direction X of the vehicle body 200 is 45 degrees.

[0076] The included angle between the first sensing direction Z of the third acceleration sensor 203 and the first direction X of the vehicle body 200 is 45 degrees, and after the acceleration synthesis, the final acceleration signal can accurately reflect the collision condition of the vehicle.

[0077] For example, in a possible implementation, obtaining the collision acceleration signal of the vehicle includes:

[0078] The first sub-accelerometer A_ax and the second sub-accelerometer A_ay are acquired by the third accelerometer sensor 203. The direction of the first sub-accelerometer A_ax is perpendicular to the direction of the second sub-accelerometer A_ay, and the first sub-accelerometer A_ax is parallel to the first sensing direction Z. The third acceleration signal A_axy is the component of the sum of the first sub-accelerometer A_ax and the second sub-accelerometer A_ay in the first direction.

[0079] The first sub-accelerometer is obtained by a sensing component operating in the first sensing direction, and the second sub-accelerometer is obtained by a sensing component operating in the second sensing direction. The first sensing direction and the second sensing direction are parallel. After the third accelerometer obtains the first and second sub-accelerometers, the processing unit combines the first and second sub-accelerometers, for example, by adding them together, and uses the component of the sum in the first direction as the third acceleration signal.

[0080] S112 filters the vehicle's collision acceleration signal.

[0081] In step S112, the filtering process includes high-pass filtering and low-pass filtering. The filtering process can effectively remove noise signals.

[0082] In step S112, the first acceleration signal is filtered to obtain a first intermediate acceleration signal, the second acceleration signal is filtered to obtain a second intermediate acceleration signal, and the third acceleration signal is filtered to obtain a third intermediate acceleration signal.

[0083] S113, normalize the filtered vehicle collision acceleration signal to obtain the vehicle collision acceleration information.

[0084] In step S113, as Figure 3 As shown, the first intermediate acceleration signal is normalized to obtain the first collision acceleration information D_fl, the second intermediate acceleration signal is normalized to obtain the second collision acceleration information D_fr, and the third intermediate acceleration signal is normalized to obtain the third collision acceleration information D_ax. The normalization process can be analog-to-digital conversion. After normalization, the first, second, and third collision acceleration information can be converted into data within a preset range. In one possible implementation, the preset range can be [-512, 512].

[0085] S120 processes the vehicle's collision acceleration information to obtain the vehicle's collision information.

[0086] In step S120, after obtaining the collision acceleration information, the vehicle collision information is obtained by performing calculations on it.

[0087] In a possible implementation, the collision information of the vehicle includes: a first collision degree, a second collision degree, a third collision degree, a fourth collision degree, a fifth collision degree, and a sixth collision degree.

[0088] The collision acceleration information of the vehicle is processed to obtain the collision information of the vehicle, including:

[0089] S121, the third collision acceleration information D_ax is integrated to obtain a first collision degree A lg0-1. For example:

[0090]

[0091] Wherein, t is the starting time of the calculation. t-len is the end point of the preset time length starting from the starting time. For example, the starting time t is 1s, and the preset time length is 5s, then t-len is 6s. The t and t-len in the following can refer to the above explanation.

[0092] S122, the first collision acceleration information D_fl is integrated to obtain a second collision degree A lg0-2. For example:

[0093]

[0094] S123, the second collision acceleration information D_fr is integrated to obtain a third collision degree A lg0-3. For example:

[0095]

[0096] S124, the third collision acceleration information D_ax The difference between the first collision acceleration information D_fl is integrated to obtain a fourth collision degree A lg0-4. For example:

[0097]

[0098] S125, the third collision acceleration information D_ax The difference between the second collision acceleration information D_fr is integrated to obtain a fifth collision degree A lg0-5. For example:

[0099]

[0100] S126, the third collision acceleration information D_axThe full integral operation is performed to obtain the sixth impact degree A lg0-6. For example:

[0101]

[0102] It should be noted that the execution order of steps S121, S122, S123, S124, S125 and S126 is not limited here. That is, there is no precedence between the execution of the six steps. For example, the six steps can be executed in series, in parallel, or partially in series and partially in parallel.

[0103] S200, determining at least one valid ignition level of the vehicle based on the impact information of the vehicle. Wherein, the impact information of the vehicle meets the preset condition of the valid ignition level.

[0104] In step S200, the valid ignition level of the vehicle can be determined by comparing the impact degree Algo-i of the vehicle with the preset threshold Thr_i. The ignition level is valid is the condition for executing the safety measures. Only when the valid ignition level of the vehicle is determined, the safety measures can be accurately executed, and finally the accuracy of the safety measures control is improved.

[0105] In combination with Figure 4 , Figure 5 and Figure 6 , in a possible implementation, determining at least one valid ignition level of the vehicle based on the impact information of the vehicle includes:

[0106] S210, when the first impact degree A lg0-1 is greater than the first threshold Thr_1, and the second impact degree A lg0-2 is greater than the second threshold Thr_2, and the sixth impact degree A lg0-6 is greater than the sixth threshold Thr_6, the first ignition level Level_1 of the vehicle is valid.

[0107] S220, when the first impact degree A lg0-1 is greater than the first threshold Thr_1, and the third impact degree A lg0-3 is greater than the third threshold Thr_3, and the sixth impact degree A lg0-6 is greater than the sixth threshold Thr_6, the second ignition level Level_2 of the vehicle is valid.

[0108] S230, when the first ignition level Level_1 of the vehicle is valid, and the fourth impact degree A lg0-4 is greater than the fourth threshold Thr_4, the third ignition level Level_3 of the vehicle is valid.

[0109] S240, effective at the vehicle's second ignition level 2 and fifth collision degree. A When lg0-5 is greater than the fifth threshold Thr_5, the vehicle's fourth ignition level Level_4 is valid.

[0110] Based on the comparison results between collision information and threshold, the vehicle's ignition level is divided into four effective ignition levels. Different ignition levels correspond to different safety measures, thereby improving the accuracy of vehicle safety measures and mitigating the increased maintenance costs and waste of materials caused by uniform centralized ignition.

[0111] like Figure 4 and Figure 5 As shown, in one possible implementation, to reduce computational complexity, a crossing flag can be introduced. This flag represents the comparison result between the collision degree and a threshold. The crossing flag is valid when the collision degree is greater than the corresponding threshold.

[0112] like Figure 4 As shown, the first collision degree A If lg0-1 is greater than the first threshold Thr_1, the first crossing flag Flag_1 is valid. Second collision degree. A If lg0-2 is greater than the second threshold Thr_2, the second crossing flag Flag_2 is valid. Third collision degree A If lg0-3 is greater than the third threshold Thr_3, the third crossing flag Flag_3 is valid. Fourth collision degree. A If lg0-4 is greater than the fourth threshold Thr_4, the fourth crossing flag Flag_4 is valid. Fifth collision degree. A If lg0-5 is greater than the fifth threshold Thr_5, the fifth crossing indicator Flag_5 is valid. Sixth collision degree. A If lg0-6 is greater than the sixth threshold Thr_6, the sixth crossing flag Flag_6 is valid. When the collision degree is greater than the corresponding threshold, the ignition condition and the non-ignition condition are as follows: Figure 5 As shown.

[0113] like Figure 6 As shown, when the first crossing flag (Flag_1), the second crossing flag (Flag_2), and the sixth crossing flag (Flag_6) are all valid, the first ignition level (Level_1) is valid. When the first crossing flag (Flag_1), the third crossing flag (Flag_3), and the sixth crossing flag (Flag_6) are all valid, the second ignition level (Level_2) is valid. When the first ignition level (Level_1) is valid and the fourth crossing flag (Flag_4) is valid, the third ignition level (Level_3) is valid. When the second ignition level (Level_2) is valid and the fifth crossing flag (Flag_5) is valid, the fourth ignition level (Level_4) is valid.

[0114] S300, based on the at least one valid ignition level, performing at least one corresponding safety measure. One ignition level corresponds to one safety measure, and different ignition levels correspond to different safety measures. One safety measure includes: ignition of a safety belt pretensioner at a driver's seat, ignition of a safety belt pretensioner at a front passenger's seat, ignition of an airbag at the driver's seat, or ignition of an airbag at the front passenger's seat.

[0115] One ignition level corresponds to one safety measure, so that different safety measures can be performed when the vehicle is in different ignition levels. Therefore, the ignition of the safety belt pretensioner and the airbag can be performed separately, and the safety measures at the driver's seat and the front passenger's seat can be performed separately, thereby improving the accuracy of the safety measures.

[0116] As shown in Figure 6 in a possible implementation, based on the at least one valid ignition level, performing at least one corresponding safety measure includes:

[0117] Based on the first ignition level of the vehicle being valid, performing ignition of a safety belt pretensioner at a driver's seat.

[0118] Based on the second ignition level of the vehicle being valid, performing ignition of a safety belt pretensioner at a front passenger's seat.

[0119] Based on the third ignition level of the vehicle being valid, performing ignition of an airbag at the driver's seat.

[0120] Based on the fourth ignition level of the vehicle being valid, performing ignition of an airbag at the front passenger's seat.

[0121] In this implementation, different valid ignition levels correspond to different safety measures, so that the driver's seat airbag and the front passenger's seat airbag are implemented at different times, thereby improving the problem of poor accuracy of safety measures caused by unified and centralized ignition.

[0122] The embodiment of the present application also provides a vehicle safety measure ignition device, including: a processing unit. Wherein the processing unit is used to acquire the collision information of the vehicle. The processing unit is also used to determine at least one valid ignition level of the vehicle based on the collision information of the vehicle. Wherein the collision information of the vehicle satisfies the preset condition of the valid ignition level. The processing unit is also used to perform at least one corresponding safety measure based on the at least one valid ignition level. One ignition level corresponds to one safety measure, and different ignition levels correspond to different safety measures. One safety measure includes: ignition of a safety belt pretensioner at a driver's seat, ignition of a safety belt pretensioner at a front passenger's seat, ignition of an airbag at the driver's seat, or ignition of an airbag at the front passenger's seat.

[0123] In the embodiment, the ignition device of the vehicle safety measure can realize the time-sharing ignition of the airbag of the main driver seat and the airbag of the co-driver seat, thereby improving the accuracy of the safety measure caused by the unified centralized ignition.

[0124] In a possible implementation, the ignition device further comprises a first acceleration sensor, a second acceleration sensor, and a third acceleration sensor.

[0125] The first acceleration sensor is installed at the left front part of the vehicle body, for example, the first acceleration sensor is fixedly installed on the vehicle body near or around the left front lamp. For example, the first acceleration sensor is installed on the vehicle frame, and the distance from the left front lamp is less than or equal to a set threshold, which can be 10-30 cm. The second sensor is fixedly installed at the right front part of the vehicle body, for example, the second acceleration sensor is fixedly installed on the vehicle body near or around the right front lamp. For example, the second acceleration sensor is installed on the vehicle frame, and the distance from the right front lamp is less than or equal to a set threshold, which can be 10-30 cm.

[0126] The first acceleration signal is used to represent the first acceleration. The second acceleration signal is used to represent the second acceleration. The direction of the first acceleration is parallel to the first direction. The direction of the second acceleration is parallel to the first direction.

[0127] The third acceleration sensor is fixedly installed at the middle part of the vehicle body. In a possible implementation, the middle part can be within a range of 0-50 cm from the center of the vehicle body. In a possible implementation, the third acceleration sensor is fixedly installed on the vehicle body and located in the driver's cabin.

[0128] The first sensing direction of the third acceleration sensor is one of the working directions of the third acceleration sensor. The working direction is the direction of the acceleration collected by the acceleration sensor when it is working. For example, the third acceleration sensor is a capacitive acceleration sensor, and the first sensing direction can be the direction of the movement of the capacitor plate in the capacitive acceleration sensor.

[0129] The first sensing direction of the third acceleration sensor forms an acute angle with the first direction, which can enable the third acceleration sensor to collect multiple accelerations, and then synthesize the multiple accelerations to obtain the final acceleration, thereby improving the accuracy of the information.

[0130] In a possible implementation, the included angle between the first sensing direction of the third acceleration sensor and the first direction of the vehicle body is 45 degrees.

[0131] The included angle between the first sensing direction of the third acceleration sensor and the first direction of the vehicle body is 45 degrees, and after the acceleration synthesis, the final angle signal can accurately reflect the collision condition of the vehicle.

[0132] In a possible implementation, the processing unit is configured to obtain the collision information of the vehicle, including:

[0133] The processing unit is configured to obtain the collision acceleration signal of the vehicle, the collision acceleration signal including a first acceleration signal, a second acceleration signal, and a third acceleration signal, the first acceleration signal being obtained by a first acceleration sensor located at a left front part of the vehicle body, the second acceleration signal being obtained by a second acceleration sensor located at a right front part of the vehicle body, and the third acceleration signal being obtained by a third acceleration sensor located at a middle part of the vehicle body, an included angle between a first sensing direction of the third acceleration sensor and a first direction of the vehicle body being an acute angle, and the first direction being parallel to a straight-ahead direction of the vehicle.

[0134] The processing unit is further configured to perform filtering processing on the collision acceleration signal of the vehicle.

[0135] The processing unit is further configured to perform normalization processing on the collision acceleration signal of the vehicle after the filtering processing, to obtain the collision acceleration information of the vehicle.

[0136] In a possible implementation, the processing unit is configured to obtain the collision acceleration signal information of the vehicle, including:

[0137] The processing unit obtains, by the third acceleration sensor, a first sub-acceleration and a second sub-acceleration, a direction of the first sub-acceleration being perpendicular to a direction of the second sub-acceleration, and the first sub-acceleration being parallel to the first sensing direction. The third acceleration signal is a component of a sum of the first sub-acceleration and the second sub-acceleration in the first direction.

[0138] In a possible implementation, the collision acceleration information of the vehicle includes first collision acceleration information, second collision acceleration information, and third collision acceleration information.

[0139] The collision information of the vehicle includes a first collision degree, a second collision degree, a third collision degree, a fourth collision degree, a fifth collision degree, and a sixth collision degree.

[0140] The processing unit is configured to perform data processing on the collision acceleration information of the vehicle, to obtain the collision information of the vehicle, including:

[0141] The processing unit is configured to perform integral operation on the third collision acceleration information, to obtain the first collision degree.

[0142] The processing unit is configured to perform integral operation on the first collision acceleration information, to obtain the second collision degree.

[0143] The processing unit is configured to perform integral operation on the second collision acceleration information, to obtain the third collision degree.

[0144] The processing unit is configured to integrate the difference between the third collision acceleration information and the first collision acceleration information to obtain a fourth collision degree.

[0145] The processing unit is configured to integrate the difference between the third collision acceleration information and the second collision acceleration information to obtain a fifth collision degree.

[0146] The processing unit is configured to fully integrate the third collision acceleration information to obtain a sixth collision degree.

[0147] In a possible implementation, the processing unit is configured to determine at least one valid ignition level of the vehicle based on the collision information of the vehicle, including:

[0148] The processing unit is configured to determine that the first ignition level of the vehicle is valid when the first collision degree is greater than the first threshold, the second collision degree is greater than the second threshold, and the sixth collision degree is greater than the sixth threshold.

[0149] The processing unit is configured to determine that the second ignition level of the vehicle is valid when the first collision degree is greater than the first threshold, the third collision degree is greater than the third threshold, and the sixth collision degree is greater than the sixth threshold.

[0150] The processing unit is configured to determine that the third ignition level of the vehicle is valid when the first ignition level of the vehicle is valid and the fourth collision degree is greater than the fourth threshold.

[0151] The processing unit is configured to determine that the fourth ignition level of the vehicle is valid when the second ignition level of the vehicle is valid and the fifth collision degree is greater than the fifth threshold.

[0152] In a possible implementation, the processing unit is configured to execute at least one corresponding safety measure based on the at least one valid ignition level, including:

[0153] The processing unit is configured to execute the seat belt pretensioning ignition of the main driver seat based on the first ignition level of the vehicle being valid.

[0154] The processing unit is configured to execute the seat belt pretensioning ignition of the co-driver seat based on the second ignition level of the vehicle being valid.

[0155] The processing unit is configured to execute the airbag ignition of the main driver seat based on the third ignition level of the vehicle being valid.

[0156] The processing unit is configured to execute the airbag ignition of the co-driver seat based on the fourth ignition level of the vehicle being valid.

[0157] The embodiments of the present application also provide a vehicle, and the ignition method of the safety measure of the vehicle is the ignition method in any of the foregoing implementation manners, or the vehicle comprises the ignition device provided in any of the foregoing implementation manners.

[0158] The embodiments of the present application further provide an electronic device, comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, cause the electronic device to perform the method provided by any of the preceding implementation manners. For example, as shown in FIG. 7, the electronic device 700 can comprise a processor 701, a memory 702 and a communication unit 703. These components communicate through one or more buses, and those skilled in the art can understand that the structure of the electronic device shown in the figure does not constitute a limitation on the embodiments of the present application, which can be in a bus structure or a star structure, and can comprise more or fewer components than shown in the figure, or combine certain components, or have different component arrangements. Figure 7

[0159] The communication unit 703 is configured to establish a communication channel, so that the electronic device can communicate with other devices. The communication unit 703 is configured to receive user data sent by other devices or send user data to other devices.

[0160] The processor 701 is the control center of the electronic device, which connects all parts of the electronic device through various interfaces and lines, and performs various functions of the electronic device and / or processes data by running or executing software programs, instructions and / or modules stored in the memory 702, and calling data stored in the memory. The processor can be composed of an integrated circuit (IC), for example, it can be composed of a single packaged IC, or it can be composed of a plurality of packaged ICs with the same function or different functions connected. For example, the processor 701 can only include a central processing unit (CPU). In the embodiments of the present application, the CPU can be a single operation core or can include multiple operation cores.

[0161] The memory 702 is configured to store execution instructions of the processor 701. The memory 702 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.

[0162] When the execution instructions in the memory 702 are executed by the processor 701, the electronic device 700 can perform part or all of the steps of the method provided by any of the preceding implementation manners.

[0163] ​The embodiment of the present application further provides a computer readable storage medium, which comprises a stored program, wherein when the program is executed, the computer readable storage medium controls a device where the computer readable storage medium is located to execute all or part of the steps of the method provided by any of the preceding implementation manners.

[0164] The embodiment of the present application further provides a computer program product, which comprises executable instructions, when the executable instructions are executed on a computer, the computer executes all or part of the steps of the method provided by any of the preceding implementation manners.

[0165] The same or similar parts among various embodiments in the specification can be referred to each other. Especially, for the device embodiments and the terminal embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the related parts can be referred to the description in the method embodiments.

Claims

1. A method of arming a vehicle security measure, characterized by, The method comprises: obtaining collision information of the vehicle; determining at least one valid ignition level of the vehicle based on the collision information of the vehicle; wherein the collision information of the vehicle satisfies a preset condition of the valid ignition level; performing at least one corresponding safety measure based on the at least one valid ignition level; wherein one ignition level corresponds to one safety measure, and different ignition levels correspond to different safety measures; the one safety measure comprises: a safety belt pretensioning ignition of a driver's seat, a safety belt pretensioning ignition of a front passenger seat, an airbag ignition of the driver's seat, or an airbag ignition of the front passenger seat; the obtaining of the collision information of the vehicle comprises: obtaining collision acceleration information of the vehicle, the collision acceleration information of the vehicle comprising first, second and third collision acceleration information; performing data processing on the collision acceleration information of the vehicle to obtain the collision information of the vehicle; the collision information of the vehicle comprises: first, second, third, fourth, fifth and sixth collision degrees.

2. The ignition method according to claim 1, characterized by, the obtaining of the collision acceleration information of the vehicle comprises: obtaining a collision acceleration signal of the vehicle, the collision acceleration signal comprising first, second and third acceleration signals, the first acceleration signal being obtained by a first acceleration sensor located at a left front part of a vehicle body, the second acceleration signal being obtained by a second acceleration sensor located at a right front part of the vehicle body, and the third acceleration signal being obtained by a third acceleration sensor located at a middle part of the vehicle body, an included angle between a first sensing direction of the third acceleration sensor and a first direction of the vehicle body being an acute angle, and the first direction being parallel to a straight-ahead direction of the vehicle; performing filtering processing on the collision acceleration signal of the vehicle; performing normalization processing on the collision acceleration signal of the vehicle after the filtering processing to obtain the collision acceleration information of the vehicle.

3. The ignition method according to claim 2, characterized by, the included angle between the first sensing direction of the third acceleration sensor and the first direction of the vehicle body is 45 degrees.

4. The ignition method of claim 2, wherein the obtaining of the collision acceleration signal of the vehicle comprises: obtaining a first sub-acceleration and a second sub-acceleration by the third acceleration sensor, a direction of the first sub-acceleration being perpendicular to a direction of the second sub-acceleration, and the first sub-acceleration being parallel to the first sensing direction; and the third acceleration signal being a component of a sum of the first sub-acceleration and the second sub-acceleration in the first direction.

5. The ignition method according to claim 1, wherein the data processing on the collision acceleration information of the vehicle to obtain the collision information of the vehicle comprises: performing integral operation on the third collision acceleration information to obtain the first collision degree; performing integral operation on the first collision acceleration information to obtain the second collision degree; performing integral operation on the second collision acceleration information to obtain the third collision degree; performing integral operation on a difference between the third collision acceleration information and the first collision acceleration information to obtain the fourth collision degree; integrating the difference between the third crash acceleration information and the second crash acceleration information to obtain a fifth crash degree; fully integrating the third crash acceleration information to obtain a sixth crash degree.

6. The ignition method according to claim 5, characterized by, determining at least one valid ignition level of the vehicle based on the crash information of the vehicle includes: when the first crash degree is greater than a first threshold, the second crash degree is greater than a second threshold, and the sixth crash degree is greater than a sixth threshold, a first ignition level of the vehicle is valid; when the first crash degree is greater than a first threshold, the third crash degree is greater than a third threshold, and the sixth crash degree is greater than a sixth threshold, a second ignition level of the vehicle is valid; when the first ignition level of the vehicle is valid, and the fourth crash degree is greater than a fourth threshold, a third ignition level of the vehicle is valid; when the second ignition level of the vehicle is valid, and the fifth crash degree is greater than a fifth threshold, a fourth ignition level of the vehicle is valid.

7. The ignition method according to claim 6, characterized by, performing at least one corresponding safety measure based on the at least one valid ignition level includes: performing a seat belt pretensioning ignition of a main driver seat based on the first ignition level of the vehicle being valid; performing a seat belt pretensioning ignition of a co-driver seat based on the second ignition level of the vehicle being valid; performing an airbag ignition of the main driver seat based on the third ignition level of the vehicle being valid; performing an airbag ignition of the co-driver seat based on the fourth ignition level of the vehicle being valid.

8. An ignition device for a vehicle safety measure, characterized by including: a processing unit configured to obtain crash information of a vehicle; the processing unit is further configured to determine at least one valid ignition level of the vehicle based on the crash information of the vehicle; wherein the crash information of the vehicle satisfies a preset condition of the valid ignition level; the processing unit is further configured to perform at least one corresponding safety measure based on the at least one valid ignition level; wherein one ignition level corresponds to one safety measure, and different ignition levels correspond to different safety measures; the one safety measure includes a seat belt pretensioning ignition of a main driver seat, a seat belt pretensioning ignition of a co-driver seat, an airbag ignition of the main driver seat, or an airbag ignition of the co-driver seat; wherein the obtaining of the crash information of the vehicle includes: obtaining crash acceleration information of the vehicle, the crash acceleration information of the vehicle including first crash acceleration information, second crash acceleration information, and third crash acceleration information; performing data processing on the crash acceleration information of the vehicle to obtain the crash information of the vehicle; the crash information of the vehicle includes a first crash degree, a second crash degree, a third crash degree, a fourth crash degree, a fifth crash degree, and a sixth crash degree.

9. A vehicle characterized by comprising: the ignition method of the safety measures of the vehicle is the ignition method of any one of claims 1-7, or the vehicle includes the ignition device of claim 8.

10. An electronic device, comprising: a memory for storing computer program instructions and a processor for executing the program instructions, wherein when the computer program instructions are executed by the processor, the electronic device performs the method of any one of claims 1-7. a memory for storing computer program instructions and a processor for executing the program instructions, wherein when the computer program instructions are executed by the processor, the electronic device performs the method of any one of claims 1-7.

11. A computer readable storage medium, characterized in that, The computer readable storage medium includes a stored program, wherein the program, when executed, controls a device in which the computer readable storage medium is located to perform the method of any one of claims 1 to 7.

12. A computer program product, characterised in that, The computer program product contains executable instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 7.

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