CN105353681A - Method waking up OBD equipment through voltage fluctuation - Google Patents
Method waking up OBD equipment through voltage fluctuation Download PDFInfo
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- CN105353681A CN105353681A CN201510810292.XA CN201510810292A CN105353681A CN 105353681 A CN105353681 A CN 105353681A CN 201510810292 A CN201510810292 A CN 201510810292A CN 105353681 A CN105353681 A CN 105353681A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000002618 waking effect Effects 0.000 title abstract description 9
- 230000005611 electricity Effects 0.000 claims abstract description 13
- 230000005059 dormancy Effects 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 5
- 230000007257 malfunction Effects 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 4
- 230000007958 sleep Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 8
- 230000001133 acceleration Effects 0.000 description 6
- 230000003203 everyday effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006266 hibernation Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25236—Detail, detect presence of operator to wake up system
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- Automation & Control Theory (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a method waking up OBD equipment through voltage fluctuation. The method comprises steps that, a constant electricity voltage on an OBD interface of a vehicle is measured by OBD equipment through a single-chip microcomputer; whether the vehicle is in a start state is determined, if yes, the OBD equipment is waken up; the waken-up OBD equipment enters a work state; when the OBD equipment enters the work state, whether equipment waking up is normal is determined; if engine rotating speed information can not be read or the read engine rotating speed information is 0 circle/second, equipment waking up is an error, and the OBD equipment enters a dormant state after 30 seconds; when the engine rotating speed information can be read and is not 0 circle/second, equipment waking up is normal, and the OBD equipment continuously enters the work state. According to the method, the voltage fluctuation at the OBD interface in a start process of the vehicle, voltage fluctuation of constant electricity row needles at the OBD interface of the vehicle is monitored through the single-chip microcomputer of the OBD equipment, dormancy and waking up of the OBD equipment are realized, and influence of a technical problem on design of the OBD equipment is avoided.
Description
Technical field
The invention belongs to automobile OBD application, be specifically related to a kind of method being waken up OBD equipment by voltage fluctuation.
Background technology
In recent years, along with the fast development of car networking technology, based on the large data acquisition of vehicle, data back, the service industry that data analysis and market demand are associated at automobile is widely used, and the OBD interface special body of a motor car that to be automaker provide and the extraneous unique interface carrying out exchanges data, and this interface can also for providing the uninterrupted power supply of 12V based on the external electronic device of OBD interface, therefore the data acquisition utilizing this interface to carry out vehicle body travelling data has quick and easy for installation, use safety, do not need the characteristics and advantages destroying former fare road, therefore, to be developed fast at car networking arenas based on the OBD equipment of OBD interface and applied.This equipment can in vehicle use procedure, by the locating information of vehicle, the failure message of vehicle, the real time execution parameter of vehicle passes back to server background by GSM communication module, and can user's travelling data that OBD interface obtains be analyzed, obtain the distance travelled of user's every day, the running time of every day, the running time at night, the distance travelled at night, the distance travelled that user is total, the running time that user is total, the running time at night that user is total, the number of times of anxious acceleration user's every day, the number of times of anxious deceleration user's every day, the duration that human fatigue is driven and number of times, the time that user drives over the speed limit, the data such as number of times and mileage.The various vehicle operation data utilizing OBD equipment to obtain have been widely used in multiple industries such as vehicle monitoring location industry, vehicle maintenance service industry, car insurance service.
OBD equipment is as the data collection station be arranged on automobile, must possess easy for installation, user is easy to use, do not destroy former fare road, equipment can enter low-power consumption mode when vehicle stops working, and equipment can be advanced into the feature of mode of operation certainly when vehicle ignition.Therefore the design of OBD equipment all can not design switch key usually, user is not needed first to open equipment when starting vehicle, do not need user's first closing device when getting off, OBD equipment does not need to destroy former fare road when mounted, the work of OBD equipment should be adaptive model, namely OBD equipment can work voluntarily with the startup of vehicle, can the dormancy voluntarily with the flame-out of vehicle, the quiescent current of OBD equipment should not more than 3mAh (quiescent current of vehicle complete vehicle should not be greater than 20mAh when vehicle stops working) in the hibernation mode, otherwise automobile is when flame-out, the storage battery electricity of automobile is easy to can by OBD devices consume totally, thus cause the problem that the vehicle of next time cannot start.
In sum, can draw, installation due to OBD equipment is realizing inserting by OBD interface, therefore easy for installation, do not destroy the build-in attribute that former fare road is OBD equipment, but how to allow OBD equipment can enter low-power consumption mode when vehicle stops working, OBD equipment can be advanced into mode of operation certainly when vehicle ignition, it is the technical barrier that OBD equipment will solve, because the OBD interface that depot provides is normal electricity, vehicle is when lighting a fire and stop working, do not have obvious signal that OBD equipment can be supplied to carry out signals collecting and judgement, as long as that is OBD equipment one inserts the OBD interface of automobile, equipment is the long electricity of access just, enter mode of operation, and OBD equipment is when mode of operation, its built-in GPS module, gsm module and OBD module also have one-chip computer module all can carry out duty, its power consumption peaks is at about 600mAh, even higher, if vehicle is in flameout state and OBD equipment is in mode of operation, then the storage battery electricity of automobile can by approach exhaustion fast, thus to the puzzlement that user brings next vehicle to start, so how under the precondition of not pulling out OBD equipment, allow OBD equipment enter holding state to reduce power consumption when vehicle stops working, when vehicle ignition, allowing OBD equipment wake up to enter mode of operation is the core technology that OBD equipment de-sign needs to break through.
And the dormancy of the existing OBD equipment commercially sold and the method for waking the built-in 3-axis acceleration sensor of employing OBD equipment mostly up realize, when the vehicle is still, when the built-in 3-axis acceleration sensor of OBD equipment is monitored for a long time less than vibration signal, OBD equipment enters the park mode of low-power consumption, when vehicle movement, the built-in 3-axis acceleration sensor of OBD equipment can monitor vibration signal, therefore OBD equipment enters lasting mode of operation, according to the principle of work of this OBD equipment, we just can be easy to infer, when vehicle is parked in original place, or when the vibration signal value that vehicle collects in the process of moving is inadequate, OBD equipment can be in dormant state always and cannot enter duty, when vehicle is in flameout state, and the environment residing for vehicle exist comparatively big bang time, then OBD equipment is easy to by false wake-up, analyze us thus can find out, igniting and the flameout state that the design proposal allowing OBD equipment enter work and park mode can not reflect vehicle is really shaken by the 3-axis acceleration sensor monitor vehicle that OBD equipment is built-in, therefore the greatest drawback that this design exists is OBD equipment not waking up of having that this wakes up, the situation of dormancy is not had when this dormancy.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides a kind of method being waken up OBD equipment by voltage fluctuation.
The technical solution adopted in the present invention is:
Waken up a method for OBD equipment by voltage fluctuation, its improvements are: described method comprises
OBD equipment is measured the normal piezoelectric voltage on vehicle OBD interface by single-chip microcomputer;
Judge whether vehicle is in starting state, is wake OBD equipment up;
Duty is entered after OBD equipment wakes up;
When OBD equipment enters duty, whether judgment device is waken up normal;
The engine speed information of vehicle cannot be read or to read engine speed information be 0 revolutions per second time, then this OBD equipment wakes up as erroneous judgement, and OBD equipment enters dormant state after 30 seconds;
Read the engine speed information of vehicle, and when the engine speed information read is not 0 revolutions per second, then OBD equipment wakes normally, and equipment continues to enter duty up.
Preferably, described OBD equipment by single-chip microcomputer to the normal piezoelectric voltage on vehicle OBD interface carry out measurement comprise OBD device sleeps and enter low power consumpting state time, by the voltage fluctuation on normal electricity row pin on the single-chip microcomputer of OBD equipment monitoring automobile OBD interface.
Preferably, whether described judgement vehicle is in starting state, wake the OBD equipment single-chip microcomputer comprised when OBD equipment up in 20MS, monitor voltage fluctuation on automobile OBD interface on normal electricity row pin, OBD equipment judges that this voltage fluctuation is as automobile starting, and OBD equipment becomes duty from dormant state.
Preferably, enter duty after described OBD equipment wakes up and comprise after OBD equipment wakes up, start GPS locating module, GSM communication module, Big Dipper locating module, OBD malfunction monitoring module simultaneously, make OBD equipment enter duty from dormant state.
Preferably, described cannot read vehicle engine speed information or to read engine speed information be 0 revolutions per second time, then this OBD equipment wakes up as erroneous judgement, OBD equipment enters dormant state and comprises and cannot read the engine speed parameter of automobile for a long time when OBD equipment or read the engine parameter of automobile after 30 seconds, but when this parameter is 0 revolutions per second always, then judge that this OBD equipment performs as judging by accident from dormancy to the process waken up, OBD equipment again enters the dormant state of low-power consumption after work 30 second.
Preferably, the described engine speed information reading vehicle, and when the engine speed information read is not 0 revolutions per second, then OBD equipment wakes up normally, equipment continues to enter duty and comprises when OBD equipment enters duty from dormant state, the operation to this OBD equipment wakes up is needed to carry out verification of correctness, at this moment OBD equipment can read the engine speed parameter of automobile by the OBD interface of automobile, when OBD equipment can read the engine speed parameter of automobile and this parameter is not 0 revolutions per second, this OBD equipment performs correct from dormancy to the process waken up, OBD equipment enters normal mode of operation.
Further, during described OBD device sleeps, OBD equipment built-in power is powered, the voltage fluctuation in OBD equipment on single-chip microcomputer periodic monitor automobile OBD interface on normal electricity row pin.
Further, the described single-chip microcomputer periodic monitor time is predeterminable is monitor once for every 3 seconds.
Preferably, the described OBD equipment entering normal operating conditions, OBD equipment 30 second internal cause vehicle stop working and cannot obtain the rotary speed information of vehicle motor from the OBD interface of automobile, or the engine speed parameter of automobile cannot be read for a long time, or the engine parameter reading automobile is 0 revolutions per second always, then OBD equipment judges that automobile enters flameout state, the GPS of OBD device shutdown immediately locating module, GSM communication module, Big Dipper locating module, OBD malfunction monitoring module, single-chip microcomputer is inserted low-power consumption mode simultaneously, equipment enters the holding state of low-power consumption.
Beneficial effect of the present invention is:
The present invention utilizes the voltage fluctuation of automobile OBD interface in start-up course, by the voltage fluctuation on normal electricity row pin on the single-chip microcomputer monitoring automobile OBD interface of OBD equipment, realize the dormancy of OBD equipment and wake up, thus by the igniting of the low-power consumption standby in the real-time of data acquisition, accuracy, stability, dormancy situation and automobile with flame-outly organically to combine, solve a large technical barrier of puzzlement OBD equipment de-sign.
OBD equipment is allowed to enter work and park mode ratio with the 3-axis acceleration sensor monitor vehicle vibrations built-in by OBD equipment, it is obviously more stable than the former many that the present invention allows OBD equipment enter work and park mode by the voltage fluctuation of monitor vehicle OBD interface, because vehicle is when flame-out, the probability of significantly unusual fluctuations occurs vehicle body voltage can be very low, therefore the design proposal allowing OBD equipment enter work and park mode by the voltage fluctuation of monitor vehicle OBD interface can reflect igniting and the flameout state of vehicle really, therefore this design proposal is better than the former.
Accompanying drawing explanation
Fig. 1 is a kind of method flow schematic diagram being waken up OBD equipment by voltage fluctuation provided by the invention.
Embodiment
As shown in Figure 1, the invention provides a kind of method being waken up OBD equipment by voltage fluctuation.And flame-outly automatically can carry out waking up and dormant state with the igniting of vehicle for solving OBD equipment, to ensure that OBD equipment can collect all data when user uses vehicle, take into account the low-power consumption problem in dormancy situation of OBD equipment simultaneously, the present invention proposes and allow OBD equipment enter the design proposal of work and park mode by the voltage fluctuation of monitor vehicle OBD interface.
The present invention is by the voltage fluctuation of the single-chip microcomputer Real-Time Monitoring automobile OBD interface under low-power consumption mode in OBD equipment, when the voltage fluctuation monitored on automobile OBD interface of the single-chip microcomputer in OBD equipment is greater than-1.2V, this voltage fluctuation is judged to be vehicle launch by OBD equipment, OBD equipment enters mode of operation immediately, device start GPS locating module, GSM communication module, Big Dipper locating module, OBD malfunction monitoring module; OBD equipment reads the engine speed of vehicle by OBD interface subsequently, read less than the engine speed of vehicle or the engine speed of vehicle read as OBD equipment is 0 always, then this OBD equipment wake up for erroneous judgement, OBD equipment is when to continue to read for 30 seconds less than the engine speed of vehicle or the engine speed of vehicle read be 0 revolutions per second always, and equipment enters dormant state again; The engine speed reading vehicle as OBD equipment is not 0, then this OBD equipment wake up as correctly, namely OBD equipment enter long duty.
A kind of method being waken up OBD equipment by voltage fluctuation of the present invention enters in the transfer process of mode of operation by park mode, specifically holds and needs to perform following steps:
Steps A, when vehicle is in flameout state, OBD equipment now carries out low power consumpting state, its built-in GPS locating module, Big Dipper locating module, OBD malfunction monitoring module, GSM communication module is all in off-position, to realize the low-power consumption standby of equipment, but the single-chip microcomputer in OBD equipment now can continue to monitor the magnitude of voltage of the power supply winding displacement on automobile OBD interface under low power consumpting state, when vehicle is in ignition process, because starter needs to consume larger electricity, therefore automobile is at ignition point, fluctuation by a relatively large margin can be there is in the magnitude of voltage of the power supply winding displacement pin of OBD interface, and under normal circumstances, vehicle is under misfiring condition, the magnitude of voltage of the power supply winding displacement pin on OBD interface can not produce large fluctuation, OBD device sleeps when entering low power consumpting state, by the voltage fluctuation on electricity row pin normal on the single-chip microcomputer Real-Time Monitoring automobile OBD interface of OBD equipment.
Step B, in 20MS, to monitor on automobile OBD interface the voltage fluctuation on normal electricity row pin when the single-chip microcomputer of OBD equipment, OBD equipment judges that this voltage fluctuation is as automobile starting, OBD equipment becomes duty from dormant state, start GPS locating module, GSM communication module, Big Dipper locating module and OBD malfunction monitoring module simultaneously, make OBD equipment enter duty from dormant state.
Step C, when OBD equipment enters duty from dormant state, the operation to this OBD equipment wakes up is needed to carry out verification of correctness, at this moment OBD equipment can read the engine speed parameter of automobile by the OBD interface of automobile, when OBD equipment can read the engine speed parameter of automobile and this parameter is not 0 revolutions per second, illustrate that this OBD equipment performs correct from dormancy to the process waken up, OBD equipment enters normal mode of operation;
Although the engine speed parameter of automobile can not be read when OBD equipment or can read the engine parameter of automobile, but when this parameter is 0 revolutions per second always, illustrate that this OBD equipment performs as erroneous judgement from dormancy to the process waken up, OBD equipment again enters the dormant state of low-power consumption after work 30 second hand.
Step D, after vehicle is flame-out, the OBD equipment of normal work, because vehicle stops working, the rotary speed information obtaining vehicle motor from the OBD interface of automobile cannot be continued, or although the rotary speed information obtaining motor car engine can be continued, but the rotary speed parameter of motor car engine is 0 revolutions per second always, if OBD equipment continues the rotary speed information that 30 seconds cannot obtain motor car engine, or the rotary speed parameter of motor car engine continues to be 0 revolutions per second in 30 seconds always, then OBD equipment judges that automobile enters flameout state, the GPS of OBD device shutdown immediately locating module, GSM communication module, OBD malfunction monitoring modular power source, single-chip microcomputer is inserted low-power consumption mode simultaneously, equipment enters the holding state of low-power consumption.
When vehicle again start, travel and flame-out time, OBD equipment performs the step cycle of an A ~ D again.
The present invention is by gathering to the OBD interface voltage value of the vehicle of the multiple model of multiple brand in the magnitude of voltage change of ignition phase and analyze, find that the OBD interface voltage of all vehicles all larger fluctuation can occur in vehicle ignition moment, therefore, when OBD equipment, have employed and allow OBD equipment enter the design proposal of work and park mode by the voltage fluctuation of monitor vehicle OBD interface.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (9)
1. waken up a method for OBD equipment by voltage fluctuation, it is characterized in that: described method is comprised OBD equipment and measured the normal piezoelectric voltage on vehicle OBD interface by single-chip microcomputer;
Judge whether vehicle is in starting state, is wake OBD equipment up;
Duty is entered after OBD equipment wakes up;
When OBD equipment enters duty, whether judgment device is waken up normal;
The engine speed information of vehicle cannot be read or to read engine speed information be 0 revolutions per second time, then this OBD equipment wakes up as erroneous judgement, and OBD equipment enters dormant state after 30 seconds;
Read the engine speed information of vehicle, and when the engine speed information read is not 0 revolutions per second, then OBD equipment wakes normally, and equipment continues to enter duty up.
2. a kind of method being waken up OBD equipment by voltage fluctuation according to claim 1, it is characterized in that: described OBD equipment by single-chip microcomputer to the normal piezoelectric voltage on vehicle OBD interface carry out measurement comprise OBD device sleeps and enter low power consumpting state time, by the voltage fluctuation on normal electricity row pin on the single-chip microcomputer of OBD equipment monitoring automobile OBD interface.
3. a kind of method being waken up OBD equipment by voltage fluctuation according to claim 1, it is characterized in that: whether described judgement vehicle is in starting state, wake the OBD equipment single-chip microcomputer comprised when OBD equipment up in 20MS, monitor voltage fluctuation on automobile OBD interface on normal electricity row pin, OBD equipment judges that this voltage fluctuation is as automobile starting, and OBD equipment becomes duty from dormant state.
4. a kind of method being waken up OBD equipment by voltage fluctuation according to claim 1, it is characterized in that: enter duty after described OBD equipment wakes up and comprise after OBD equipment wakes up, start GPS locating module, GSM communication module, Big Dipper locating module, OBD malfunction monitoring module simultaneously, make OBD equipment enter duty from dormant state.
5. a kind of method being waken up OBD equipment by voltage fluctuation according to claim 1, it is characterized in that: described cannot read vehicle engine speed information or to read engine speed information be 0 revolutions per second time, then this OBD equipment wakes up as erroneous judgement, OBD equipment enters dormant state and comprises and cannot read the engine speed parameter of automobile for a long time when OBD equipment or read the engine parameter of automobile after 30 seconds, but when this parameter is 0 revolutions per second always, then judge that this OBD equipment performs from dormancy to the process waken up as erroneous judgement, OBD equipment again enters the dormant state of low-power consumption after work 30 second.
6. a kind of method being waken up OBD equipment by voltage fluctuation according to claim 1, it is characterized in that: described in read the engine speed information of vehicle, and when the engine speed information read is not 0 revolutions per second, then OBD equipment wakes up normally, equipment continues to enter duty and comprises when OBD equipment enters duty from dormant state, the operation to this OBD equipment wakes up is needed to carry out verification of correctness, at this moment OBD equipment can read the engine speed parameter of automobile by the OBD interface of automobile, when OBD equipment can read the engine speed parameter of automobile and this parameter is not 0 revolutions per second, this OBD equipment performs correct from dormancy to the process waken up, OBD equipment enters normal mode of operation.
7. a kind of method being waken up OBD equipment by voltage fluctuation according to claim 2, it is characterized in that: during described OBD device sleeps, OBD equipment built-in power is powered, the voltage fluctuation in OBD equipment on single-chip microcomputer periodic monitor automobile OBD interface on normal electricity row pin.
8. a kind of method being waken up OBD equipment by voltage fluctuation according to claim 7, be is characterized in that: the described single-chip microcomputer periodic monitor time is predeterminable is monitor once for every 3 seconds.
9. a kind of method being waken up OBD equipment by voltage fluctuation according to claim 1, it is characterized in that: described in enter the OBD equipment of normal operating conditions, OBD equipment 30 second internal cause vehicle stop working and cannot obtain the rotary speed information of vehicle motor from the OBD interface of automobile, or the engine speed parameter of automobile cannot be read for a long time, or the engine parameter reading automobile is 0 revolutions per second always, then OBD equipment judges that automobile enters flameout state, the GPS of OBD device shutdown immediately locating module, GSM communication module, Big Dipper locating module, OBD malfunction monitoring module, single-chip microcomputer is inserted low-power consumption mode simultaneously, equipment enters the holding state of low-power consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510810292.XA CN105353681B (en) | 2015-11-20 | 2015-11-20 | A kind of method that OBD equipment is waken up by voltage pulsation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510810292.XA CN105353681B (en) | 2015-11-20 | 2015-11-20 | A kind of method that OBD equipment is waken up by voltage pulsation |
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| CN105353681A true CN105353681A (en) | 2016-02-24 |
| CN105353681B CN105353681B (en) | 2018-02-16 |
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| CN110682872A (en) * | 2019-10-14 | 2020-01-14 | 深圳市蓝度汽车电控技术有限公司 | Automobile wake-up circuit and working method |
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| CN112947165A (en) * | 2021-02-01 | 2021-06-11 | 深圳市海沃德科技有限公司 | Method for waking up electronic equipment 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 |
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| CN110682872A (en) * | 2019-10-14 | 2020-01-14 | 深圳市蓝度汽车电控技术有限公司 | Automobile wake-up circuit and working method |
| CN111596326A (en) * | 2020-03-03 | 2020-08-28 | 上海万位数字技术有限公司 | Method for judging whether GPS (global positioning system) equipment of electric vehicle enters dormancy or awakening |
| CN112747937A (en) * | 2020-12-28 | 2021-05-04 | 深圳市道通科技股份有限公司 | Vehicle start detection method, device, equipment and computer storage medium |
| WO2022142938A1 (en) * | 2020-12-28 | 2022-07-07 | 深圳市道通科技股份有限公司 | Method, apparatus and device for detecting vehicle start-up, and computer storage medium |
| CN112947165A (en) * | 2021-02-01 | 2021-06-11 | 深圳市海沃德科技有限公司 | Method for waking up electronic equipment and electronic equipment |
| CN112947165B (en) * | 2021-02-01 | 2024-04-05 | 深圳市海沃德科技有限公司 | Method for waking up electronic equipment 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 |
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