CN105501154A - Vehicle-mounted terminal sleep and wakeup method - Google Patents
Vehicle-mounted terminal sleep and wakeup method Download PDFInfo
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- CN105501154A CN105501154A CN201510948216.5A CN201510948216A CN105501154A CN 105501154 A CN105501154 A CN 105501154A CN 201510948216 A CN201510948216 A CN 201510948216A CN 105501154 A CN105501154 A CN 105501154A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a vehicle-mounted terminal sleep and wakeup method. The vehicle-mounted terminal sleep and wakeup method comprises steps as follows: a current state of a vehicle is detected by an AD sampling module in real time; gravitational acceleration amplitude of each axis of the vehicle is acquired by an gravitational acceleration sensor and corresponding amplitude values are output to a vehicle master controller; if the AD sampling module detects that the vehicle is in a flameout or parking state, the gravitational acceleration amplitude of each axis keeps to be smaller than a deep sleep threshold for 5 min, and then the vehicle master controller is powered off and enters a deep sleep mode until the vehicle is ignited or is driven to be awakened; the deep sleep threshold is 0.3 times of the gravitational acceleration amplitude of the vehicle during normal traveling.
Description
Technical field
The present invention relates to automobile technical field, a kind of method particularly relating to car-mounted terminal dormancy Yu wake up.
Background technology
The electronic machine that present people install onboard is increasing, each equipment is consuming the electricity of automobile storage battery days and nights, often one is gone on business, after the vacation, storage battery will be in deficient state, to the damage of automobile storage battery, and does not put fiery situation and again and again occurs.So the power consumption of a vehicle-mounted product when vehicle stops working is extremely important.And present vehicle-mounted product is by ACC signal as dormancy and wake-up signal mostly, use ACC signal must need to destroy the original circuit of vehicle, not only install inconvenient also unsightly but also may past-sale service in the future be impacted.Also judge that whether Current vehicle is at driving states with planting by the mode of vehicle bus, this kind of method needs to monitor the data on automobile bus, technical requirements is complicated, careless slightly, automobile bus can be caused abnormal, even cause diagnostic code to affect other vehicle-mounted products normally to use, What is more affects normal vehicle operation.
Summary of the invention
The main object of the present invention is: a kind of method providing car-mounted terminal dormancy that as far as possible can reduce the power consumption of car-mounted terminal Yu wake up.
For achieving the above object, a kind of method that the invention provides car-mounted terminal dormancy Yu wake up, this car-mounted terminal dormancy and the method waken up comprise the following steps:
AD sampling module detects the current state of automobile in real time;
Gravity accelerometer obtains the amplitude of each axle of automobile gravity acceleration/accel and exports corresponding amplitude to automobile primary controller;
If AD sampling module detects that automobile is in flame-out or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues to be less than deep-sleep threshold values in 5 minutes, then automobile master controller power-off and enter deep power down mode, until automotive ignition or driving and wake up; Wherein, 0.3 times of acceleration due to gravity amplitude when described deep sleep threshold values is automobile normal running.
Preferably, described step: if AD sampling module detects that automobile is in flame-out or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues to be less than deep-sleep threshold values in 5 minutes, then automobile master controller power-off and enter deep power down mode, until automotive ignition or driving and waking up comprises the following steps:
If AD sampling module detects that automobile is current and is in flameout state or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues when within 5 minutes, being less than deep-sleep threshold values, then automobile master controller power-off and enter deep power down mode;
If AD sampling module detects that current parking of automobile continues to be more than or equal to 30 minutes, and when Gravity accelerometer detects that the amplitude of each axle is more than or equal to either shallow dormancy threshold values, then AD sampling module continuous firing enter either shallow park mode; Wherein, 0.5 times of acceleration due to gravity amplitude when described either shallow sleep threshold values is automobile normal running state;
If AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and when Gravity accelerometer detects that the amplitude of each axle is less than described either shallow dormancy threshold values, then automobile master controller power-off and enter deep power down mode.
Preferably, described step: if AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and acceleration due to gravity is when detecting that the amplitude of each axle is more than or equal to either shallow dormancy threshold values, then AD sampling module continuous firing to enter either shallow park mode further comprising the steps of:
If the amplitude that Gravity accelerometer detects each axle is more than or equal to when travelling threshold values, traveling threshold values is calibrated, will travel threshold values rise 10%; Wherein, 0.8 times of acceleration due to gravity amplitude when described traveling threshold values is automobile normal running state.
Preferably, described step: if AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and acceleration due to gravity is when detecting that the amplitude of each axle is less than described either shallow dormancy threshold values, then automobile master controller power-off and enter deep power down mode and also comprise step:
Deep-sleep threshold values is calibrated, deep-sleep threshold values is raised 10%.
Preferably, further comprising the steps of:
The amplitude of each axle of Gravity accelerometer Real-Time Monitoring automobile gravity acceleration/accel also exports corresponding amplitude;
If the amplitude of each axle of acceleration due to gravity is greater than deep sleep threshold values, then wake the work of AD sampling module up, and when AD sampling module detects ignition signal or train signal, the master controller of automobile powers on and starts work;
If the amplitude of each axle of acceleration due to gravity is greater than deep sleep threshold values, wake the work of AD sampling module up, and when AD sampling module does not detect ignition signal or train signal, then AD sampling module continuous firing enter either shallow park mode.
Preferably, described step: the state that AD sampling module detects automobile current is in real time specific as follows:
The magnitude of voltage of AD sampling module Real-time Obtaining automobile storage battery;
If when the magnitude of voltage of automobile storage battery declines and maintains a pulsation-free magnitude of voltage, automobile is in flameout state;
If when the magnitude of voltage of automobile storage battery maintains a pulsation-free magnitude of voltage, automobile is in dead ship condition always;
If recover after the magnitude of voltage rapid drawdown of automobile storage battery, then automobile is in fired state.
Preferably, if AD sampling module and Gravity accelerometer detect that automobile is in dead ship condition when continuing to exceed 100 times simultaneously, calibration deep sleep threshold values, lowers 10% by deep sleep threshold values.
Car-mounted terminal dormancy provided by the invention and the method waken up, the method is combined the state accurately judging that automobile is current with Gravity accelerometer by AD sampling module.When AD sampling module and Gravity accelerometer detect that automobile is in dead ship condition simultaneously, then trigger deep-sleep signal, make the power-off of automobile primary controller and enter deep-sleep, only remaining Gravity accelerometer work is to detect the state of automobile.The present invention, when automobile is in dead ship condition, only leaves Gravity accelerometer work, thus greatly reduces the power consumption of automobile when stopping, thus overcomes in prior art and cause because car-mounted terminal power consumption is excessive automobile cannot the defect of ignition trigger.
Accompanying drawing explanation
Fig. 1 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method first embodiment waken up;
Fig. 2 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method second embodiment waken up;
Fig. 3 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method the 3rd embodiment waken up;
Fig. 4 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method the 4th embodiment waken up;
Fig. 5 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method the 5th embodiment waken up.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of method that the invention provides car-mounted terminal dormancy and wake up.
Be car-mounted terminal dormancy of the present invention and the schematic flow sheet of method first embodiment waken up referring to figs. 1 to 5, Fig. 1; Fig. 2 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method second embodiment waken up; Fig. 3 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method the 3rd embodiment waken up; Fig. 4 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method the 4th embodiment waken up; Fig. 5 is car-mounted terminal dormancy of the present invention and the schematic flow sheet of method the 5th embodiment waken up.The car-mounted terminal dormancy that the present embodiment provides and the method waken up, this car-mounted terminal dormancy and the method waken up comprise the following steps:
Step S10, AD sampling module detects the current state of automobile in real time;
In the present embodiment, the voltage of AD sampling module to automobile storage battery detects.It should be noted that, in the present embodiment, according to the change of automobile storage battery voltage, the state of automobile is roughly divided into following three states: fired state, flameout state and dead ship condition.Usually, when automobile is in instancy of ignition, recover after automobile storage battery voltage dip.Usually, Battery voltage voltage in 100ms declines 1V suddenly, and voltage recovery after 100ms.When automobile is in flame-out moment, automobile storage battery voltage keeps declines and maintains a pulsation-free magnitude of voltage.Usually, Battery voltage drops in the scope of 12.5 ~ 13.5V greatly in 30s, and after declining, voltage is in plateau.When automobile is in dead ship condition, then automobile storage battery voltage is in fair state always.AD sampling module by detecting the change of voltage trend of automobile storage battery, thus can get the current state of automobile.
Step S20, Gravity accelerometer obtains the amplitude of each axle of automobile gravity acceleration/accel and exports corresponding amplitude to automobile primary controller.
In the present embodiment, Gravity accelerometer obtains the amplitude of each axle of acceleration due to gravity of automobile in real time, and exports corresponding amplitude to automobile primary controller.Particularly, the amplitude of Gravity accelerometer to X-axis, Y-axis and Z axis obtains.It should be noted that in the present embodiment, Gravity accelerometer, according to the amplitude of each axle detected, is divided into following three states: automobile normal running state, parking of automobile state and door opening state.When automobile is in normal motoring condition, due to the vibrations of automotive engine, sound equipment, Gravity accelerometer can be made to be in a kind of state of continuous vibration.Ignore in driving process in this process turn to, vibration amplitude that speed change, deceleration strip etc. cause.Because these situation influence times are very short and cause vibration amplitude large.That is, when acceleration due to gravity detects the amplitude sustained vibration of each axle of acceleration due to gravity and amplitude is close, automobile can be determined and be in normal motoring condition.When automobile is in dead ship condition, the deviator on each axle of acceleration due to gravity is almost constant.Therefore, when Gravity accelerometer detects that each axle amplitude is constant, can judge that automobile is in dead ship condition.It should be noted that because Gravity accelerometer is larger by external interference in actual use.As being parked in road other (side often has truck to speed past), side, building ground (running etc. of the main equipment on building site), automobile all may be caused slightly to shake.When automobile door opening, people open car door and enter operator's saddle wiping direction dish etc. and can cause vibrations (particularly device being placed on the situation below driver's seat).During this period of time, the deviator on each axle of Gravity accelerometer can change, but is not continuous print.
Step S30, if when AD sampling module detects that automobile is in flame-out or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues to be less than deep-sleep threshold values in 5 minutes, then automobile master controller power-off and enter deep power down mode, until automotive ignition or driving and wake up; Wherein, 0.3 times of acceleration due to gravity amplitude when described deep sleep threshold values is automobile normal running.
In the present embodiment, automobile primary controller receives the vehicle condition that AD sampling module exports, and receives the amplitude of Gravity accelerometer output simultaneously.When AD sampling module detects that current automobile is in flameout state or dead ship condition, and the amplitude that Gravity accelerometer detects is less than deep-sleep threshold values, namely 0.3 times of acceleration due to gravity amplitude when amplitude continues all to be less than automobile normal running for 5 minutes, then prove that automobile is current and be in dead ship condition, the power-off of automobile primary controller also enters deep power down mode, is only left acceleration due to gravity work and Real-Time Monitoring vehicle condition.Because the power consumption of Gravity accelerometer is very little, be generally 1mA.Therefore, when automobile place dead ship condition, the power consumption of car-mounted terminal can greatly be reduced.
Car-mounted terminal dormancy provided by the invention and the method waken up, the method is combined the state accurately judging that automobile is current with Gravity accelerometer by AD sampling module.When AD sampling module and Gravity accelerometer detect that automobile is in dead ship condition simultaneously, then trigger deep-sleep signal, make the power-off of automobile primary controller and enter deep-sleep, only remaining Gravity accelerometer work is to detect the state of automobile.The present invention, when automobile is in dead ship condition, only leaves Gravity accelerometer work, thus greatly reduces the power consumption of automobile when stopping, thus overcomes in prior art and cause because car-mounted terminal power consumption is excessive automobile cannot the defect of ignition trigger.
Further, for accurately distinguishing the state at the current place of automobile, in the present embodiment, step S30: if AD sampling module detects that automobile is in flame-out or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues to be less than deep-sleep threshold values in 5 minutes, then automobile master controller power-off and enter deep power down mode, until automotive ignition or driving and waking up comprises the following steps:
If AD sampling module detects that automobile is current and is in flameout state or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues when within 5 minutes, being less than deep-sleep threshold values, can determine that automobile is in complete dead ship condition, then automobile master controller power-off and enter deep power down mode, to reduce the power consumption of car-mounted terminal.
If AD sampling module detects that current parking of automobile continues to be more than or equal to 30 minutes, and Gravity accelerometer when detecting that the amplitude of each axle is more than or equal to either shallow dormancy threshold values (when either shallow sleep threshold values is automobile normal running state acceleration due to gravity amplitude 0.5 times), then prove the automobile current state being in a non-parking of non-traveling, such as: automobile may be parked in a mixed and disorderly side, building site or driver's extended break on automobile.Now, AD sampling module continuous firing enter either shallow park mode.
If AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and when Gravity accelerometer detects that the amplitude of each axle is less than either shallow dormancy threshold values, then automobile master controller power-off and enter deep power down mode.
Further, for improving car-mounted terminal dormancy and the method accuracy in use waken up, in the present embodiment, step: if AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and acceleration due to gravity is when detecting that the amplitude of each axle is more than or equal to either shallow dormancy threshold values, then AD sampling module continuous firing to enter either shallow park mode further comprising the steps of:
If the amplitude that Gravity accelerometer detects each axle is more than or equal to when travelling threshold values (when to travel threshold values be automobile normal running state acceleration due to gravity amplitude 0.8 times), traveling threshold values is calibrated, will travel threshold values rise 10%.That is, instantly during one-time detection vehicle condition, automobile primary controller will travel 0.88 times of acceleration due to gravity amplitude when threshold values is adjusted to automobile normal running state.If after adjustment, testing result is still identical with before adjustment, then think, AD sampling module testing result is made mistakes.
Further, for improving car-mounted terminal dormancy and the method accuracy in use waken up, in the present embodiment, described step: if AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and acceleration due to gravity is when detecting that the amplitude of each axle is less than either shallow dormancy threshold values, then automobile master controller power-off and enter deep power down mode and also comprise step:
Deep-sleep threshold values is calibrated, deep-sleep threshold values is raised 10%.Wherein, 0.3 times of acceleration due to gravity amplitude when deep-sleep threshold values is automobile normal running state.That is, instantly during one-time detection vehicle condition, 0.27 times of acceleration due to gravity amplitude when deep-sleep threshold values is adjusted to automobile normal running state by automobile primary controller.If after adjustment, testing result is still identical with before adjustment, then think, AD sampling module testing result is made mistakes.
Further, for avoiding car-mounted terminal error starting, guarantee that car-mounted terminal can wake up when automotive ignition or driving and work, in the present embodiment, car-mounted terminal dormancy is further comprising the steps of with the method waken up:
The amplitude of each axle of Gravity accelerometer Real-Time Monitoring automobile gravity acceleration/accel also exports corresponding amplitude to automobile primary controller;
If the amplitude of each axle of acceleration due to gravity is greater than deep sleep threshold values, then wake the work of AD sampling module up, and when AD sampling module detects ignition signal or train signal, then the master controller of automobile powers on and starts work;
If the amplitude of each axle of acceleration due to gravity is greater than deep sleep threshold values, then wake the work of AD sampling module up, and when AD sampling module does not detect ignition signal or train signal, then AD sampling module continuous firing enter either shallow park mode.In the present embodiment, the acceleration due to gravity of Gravity accelerometer moment monitoring automobile.If the amplitude of acceleration due to gravity is greater than deep-sleep threshold values, then by AD sampling module, vehicle condition is confirmed further.If AD sampling module detects automobile ignition signal or running, then wake-up signal, makes automobile primary controller power on and start work.If AD sampling module does not detect automobile ignition signal or running, then enter either shallow park mode, until AD sampling module detects that ignition signal or running just wake up, thus avoid automobile primary controller error starting and expend too much electric energy.
Further, for improving car-mounted terminal dormancy and the method accuracy in use waken up, if AD sampling module and Gravity accelerometer detect that automobile is in dead ship condition when continuing to exceed 100 times simultaneously, calibration deep sleep threshold values, lowers 10% by deep sleep threshold values.0.27 times is adjusted to by 0.3 times of acceleration due to gravity amplitude during automobile normal running state by deep-sleep threshold values.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. car-mounted terminal dormancy and the method waken up, is characterized in that, comprise the following steps:
AD sampling module detects the current state of automobile in real time;
Gravity accelerometer obtains the amplitude of each axle of automobile gravity acceleration/accel and exports corresponding amplitude to automobile primary controller;
If AD sampling module detects that automobile is in flame-out or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues to be less than deep-sleep threshold values in 5 minutes, then automobile master controller power-off and enter deep power down mode, until automotive ignition or driving and wake up; Wherein, 0.3 times of acceleration due to gravity amplitude when described deep sleep threshold values is automobile normal running.
2. car-mounted terminal dormancy as claimed in claim 1 and the method waken up, it is characterized in that, described step: if AD sampling module detects that automobile is in flame-out or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues to be less than deep-sleep threshold values in 5 minutes, then automobile master controller power-off and enter deep power down mode, until automotive ignition or driving and waking up comprises the following steps:
If AD sampling module detects that automobile is current and is in flameout state or dead ship condition, and the amplitude of each axle of acceleration due to gravity continues when within 5 minutes, being less than deep-sleep threshold values, then automobile master controller power-off and enter deep power down mode;
If AD sampling module detects that current parking of automobile continues to be more than or equal to 30 minutes, and when Gravity accelerometer detects that the amplitude of each axle is more than or equal to either shallow dormancy threshold values, then AD sampling module continuous firing enter either shallow park mode; Wherein, 0.5 times of acceleration due to gravity amplitude when described either shallow sleep threshold values is automobile normal running state;
If AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and when Gravity accelerometer detects that the amplitude of each axle is less than described either shallow dormancy threshold values, then automobile master controller power-off and enter deep power down mode.
3. car-mounted terminal dormancy as claimed in claim 2 and the method waken up, it is characterized in that, described step: if AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and acceleration due to gravity is when detecting that the amplitude of each axle is more than or equal to either shallow dormancy threshold values, then AD sampling module continuous firing to enter either shallow park mode further comprising the steps of:
If the amplitude that Gravity accelerometer detects each axle is more than or equal to when travelling threshold values, traveling threshold values is calibrated, will travel threshold values rise 10%; Wherein, 0.8 times of acceleration due to gravity amplitude when described traveling threshold values is automobile normal running state.
4. car-mounted terminal dormancy as claimed in claim 2 and the method waken up, it is characterized in that, described step: if AD sampling module detects that current parking of automobile is more than or equal to 30 minutes, and acceleration due to gravity is when detecting that the amplitude of each axle is less than described either shallow dormancy threshold values, then automobile master controller power-off and enter deep power down mode and also comprise step:
Deep-sleep threshold values is calibrated, deep-sleep threshold values is raised 10%.
5. the car-mounted terminal dormancy as described in any one of claim 1 ~ 4 and the method waken up, is characterized in that, further comprising the steps of:
The amplitude of each axle of Gravity accelerometer Real-Time Monitoring automobile gravity acceleration/accel also exports corresponding amplitude;
If the amplitude of each axle of acceleration due to gravity is greater than deep sleep threshold values, then wake the work of AD sampling module up, and when AD sampling module detects ignition signal or train signal, the master controller of automobile powers on and starts work;
If the amplitude of each axle of acceleration due to gravity is greater than deep sleep threshold values, wake the work of AD sampling module up, and when AD sampling module does not detect ignition signal or train signal, then AD sampling module continuous firing enter either shallow park mode.
6. the car-mounted terminal dormancy as described in any one of claim 1 ~ 4 and the method waken up, is characterized in that, described step: the state that AD sampling module detects automobile current is in real time specific as follows:
The magnitude of voltage of AD sampling module Real-time Obtaining automobile storage battery;
If when the magnitude of voltage of automobile storage battery declines and maintains a pulsation-free magnitude of voltage, automobile is in flameout state;
If when the magnitude of voltage of automobile storage battery maintains a pulsation-free magnitude of voltage, automobile is in dead ship condition always;
If recover after the magnitude of voltage rapid drawdown of automobile storage battery, then automobile is in fired state.
7. car-mounted terminal dormancy as claimed in claim 1 and the method waken up, it is characterized in that, if AD sampling module and Gravity accelerometer detect that automobile is in dead ship condition when continuing to exceed 100 times simultaneously, calibration deep sleep threshold values, lowers 10% by deep sleep threshold values.
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| CN106184070A (en) * | 2016-07-13 | 2016-12-07 | 安徽江淮汽车股份有限公司 | A kind of control method for vehicle and system |
| CN106184070B (en) * | 2016-07-13 | 2018-06-01 | 安徽江淮汽车集团股份有限公司 | A kind of control method for vehicle and system |
| CN107867244A (en) * | 2016-09-27 | 2018-04-03 | 联车（上海）信息科技有限公司 | Mobile unit intelligent management system and mobile unit intelligent management |
| CN106445079A (en) * | 2016-10-26 | 2017-02-22 | 深圳市赛格导航科技股份有限公司 | Operation control method and device for vehicle-mounted positioning equipment |
| CN107577331A (en) * | 2017-07-17 | 2018-01-12 | 深圳市盛路物联通讯技术有限公司 | Apparatus control method and Related product |
| CN107577331B (en) * | 2017-07-17 | 2020-09-04 | 深圳市盛路物联通讯技术有限公司 | Equipment control method and related product |
| CN109212365B (en) * | 2018-10-31 | 2020-05-05 | 安徽江淮汽车集团股份有限公司 | Method and system for calculating power-off time of new energy automobile |
| CN109212365A (en) * | 2018-10-31 | 2019-01-15 | 安徽江淮汽车集团股份有限公司 | The method and system of electric time under a kind of calculating new-energy automobile |
| CN110912981A (en) * | 2019-11-20 | 2020-03-24 | 上海博泰悦臻网络技术服务有限公司 | Central control system of vehicle and control method thereof |
| CN111190503A (en) * | 2019-12-27 | 2020-05-22 | 徐州重型机械有限公司 | Integrated display screen for crane |
| CN111240634A (en) * | 2020-01-08 | 2020-06-05 | 百度在线网络技术（北京）有限公司 | Sound box working mode adjusting method and device |
| CN113570902A (en) * | 2020-04-28 | 2021-10-29 | 比亚迪股份有限公司 | Vehicle-to-vehicle communication method based on obstacle detection triggering, vehicle and communication equipment |
| CN114390465A (en) * | 2020-10-19 | 2022-04-22 | 中移物联网有限公司 | Vehicle-mounted positioning terminal control method and device and electronic equipment |
| CN113978398A (en) * | 2021-10-29 | 2022-01-28 | 北京乐驾科技有限公司 | System and method for detecting automobile ignition moment, electronic equipment and storage medium |
| CN114428536A (en) * | 2022-01-27 | 2022-05-03 | 深圳市德航智能技术有限公司 | Quick-start vehicle-mounted three-proofing tablet computer |
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