CN112918378B - Automatic voice reminding device for starting flameout - Google Patents
Automatic voice reminding device for starting flameout Download PDFInfo
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- CN112918378B CN112918378B CN202110140673.7A CN202110140673A CN112918378B CN 112918378 B CN112918378 B CN 112918378B CN 202110140673 A CN202110140673 A CN 202110140673A CN 112918378 B CN112918378 B CN 112918378B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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Abstract
The invention belongs to the technical field of automobile electronics and electrical, and discloses an automatic voice reminding device for starting and flameout, which is used for reminding a driver or passengers of a certain thing through voice when a vehicle is started and flameout; the device comprises an OBD interface, a 12V-to-5V power supply, a singlechip and a voice module; the OBD interface is inserted into an OBD socket of the automobile and is responsible for acquiring a 12V power supply of the storage battery from the OBD socket; 12V changes 5V power, turns into 5V power with 12V power, gives singlechip and voice module power supply on the one hand, and on the other hand is connected to the analog signal sampling pin of singlechip through bleeder circuit. The single chip microcomputer collects the voltage of the OBD interface in real time, and whether starting or flameout operation exists or not is identified according to the change trend of the voltage; after the singlechip detects the starting or flameout operation, the singlechip outputs a corresponding instruction to the voice module; the voice module makes voice prompt through a loudspeaker; the invention can automatically identify whether the vehicle is started or flameout according to the voltage of the OBD interface; besides the OBD interface, no extra wiring is needed, and the installation is convenient.
Description
Technical Field
The invention belongs to the technical field of automobile electronics and electrical, and discloses an automatic voice reminding device for starting and flameout, which is used for reminding a driver or passengers of something by voice when a vehicle is started and flameout.
Background
When a private car enters thousands of households, people often encounter a scene that things are easily forgotten or forget something when getting on or off the car, and at the moment, if one device can automatically remind with voice when starting and extinguishing the car, the car is very convenient. Such as: when the safety belt is started, the driver is reminded to fasten the safety belt, and when the safety belt is shut down, the driver is reminded to bring personal belongings, pay attention to the coming car behind, forget to check the card on duty, and the like.
In addition, in order to meet the demand of aftermarket, the modification of the vehicle wiring harness should be minimized.
The present invention has been developed in order to satisfy the above two needs.
Patent No. CN111942277A discloses a driving door safety reminding and anti-collision warning device, which mainly comprises a control circuit and a sensing unit arranged on a safety belt buckle. The control circuit is connected with a starting detection unit, a voice unit and a plurality of display units corresponding to different safety belt buckles, and the display units are arranged on the outer edge of the automobile body of the automobile. After the automobile is started, the sensing unit senses the safety belt buckle inserted with the safety belt buckle, and transmits a sensing signal to the control circuit, when the automobile unlocks the safety belt buckle in front of the automobile, the sensing unit senses that the safety belt buckle is separated from the safety belt buckle, the control circuit reminds a driver and a passenger to pay attention to the coming automobile in a rear direction through voice, and the display unit is lightened in a flickering mode to achieve the warning effect on the coming automobile in the rear direction, so that a strong warning effect can be generated for the driver and the passenger, the driver can be reminded to pay more attention when the automobile door is opened, and the driving safety is effectively improved.
The utility model discloses a No. CN111899491A patent provides a detection reminding device based on position of sitting is reminded to pronunciation, including the peakless cap body, the inside pronunciation position of sitting reminding device that is provided with of peakless cap body, pronunciation position of sitting reminding device includes singlechip control module, the acceleration sensor who is connected with singlechip control module communication, voice module, voice player, voice module includes communication interface, speech synthesis module, the speech line output module who is connected with singlechip control module, speech line output module is connected with voice player, combines position of sitting reminding device and cap, and the cap can be worn overhead, and the inclination of head can be detected through the acceleration sensor of position of sitting reminding device, when inclination exceeded a definite value, also when the position of sitting, can in time remind the user through voice module, adopts pronunciation to remind moreover, and the warning mode is accepted more easily, and the warning effect is better.
Notice for CN111583689A patent, discloses a pronunciation reminding device that green lamp of signal lamp switches, installs in the vehicle, includes: the GPS signal receiving module acquires the positioning information of the vehicle in real time and sends the positioning information to the database storage module for storage; the STM32 single chip microcomputer is connected with a road traffic network through a communication module, acquires road network data and signal timing data and stores the road network data and the signal timing data in a database storage module; the STM32 single chip microcomputer analyzes and obtains a lane where the vehicle is located at the current moment according to the positioning information and the road network data, and analyzes and obtains the green light switching remaining time of the lane where the vehicle is located in combination with the signal timing data; when the vehicle stops when encountering a red light, the STM32 single chip microcomputer controls the voice reminding module to carry out voice reminding when the green light switching remaining time of the lane where the voice reminding module is located reaches a preset value. The invention can remind the driver of the fact that the red light in the driving direction is about to change into the green light in advance according to the traffic light condition of the road, thereby reducing the time of delaying the loss and improving the passing efficiency of the automobile.
However, in the prior art, the original vehicle wire harness needs to be changed, the requirement on rear-loading operators is high, and risks exist due to improper operation. Under the condition of not increasing a special wire harness, the starting and flameout of the vehicle cannot be detected, so that a further reminding function cannot be realized.
Disclosure of Invention
The invention provides an automatic voice reminding device for starting and flameout, which is used for reminding a driver or passengers of something by voice when a vehicle is started and flameout. The device is connected to the automobile OBD interface, and other wire harnesses do not need to be additionally connected.
The "OBD interface" is a standard diagnostic interface on an automobile.
The automatic voice reminding device for starting and flameout can automatically identify the current starting operation or flameout operation according to the voltage change during starting and flameout, and then respectively give different voice reminding.
An automatic voice reminding device for starting flameout comprises an OBD interface, a 12V-to-5V power supply, a single chip microcomputer and a voice module;
the OBD interface insert on the OBD socket of car, be responsible for obtaining battery 12V power from the OBD socket.
The 12V changes the 5V power supply, changes the 12V power supply into the 5V power supply, on the one hand supplies power for the singlechip and the voice module, on the other hand is connected to the analog signal sampling pin of the singlechip through the bleeder circuit.
The single chip microcomputer in the technical scheme acquires the voltage of the OBD interface in real time and identifies whether starting or flameout operation exists according to the change trend of the voltage;
after the single chip microcomputer detects starting or flameout operation, the single chip microcomputer outputs corresponding instructions to the voice module.
An automatic voice reminding device for starting flameout, which also comprises a loudspeaker;
the voice module makes voice prompt through a loudspeaker.
The single chip microcomputer collects the voltage of the OBD interface in real time and identifies whether starting or flameout operation exists according to the change trend of the voltage; the method specifically comprises the following steps:
sampling the voltage once at intervals of 10-500 ms, storing the sampled voltage in an array in a rolling way, and detecting the change trend of the voltage of the storage battery by comparing the changes of the latest voltage values;
when the starting device is started, the voltage firstly drops, then the voltage rises for 0.5-2 s, the voltage rises to 0.2-1V, and the starting operation is identified through the continuous rising;
when flameout occurs, voltage drops lasting for 0.5-2 s, the voltage drops are 0.2-1V, and flameout operation is identified through the continuous drops.
Preferably, the voltage is sampled once with an interval time of 200 ms.
Preferably, the sampled voltages are stored in an array with the length of 6 in a rolling mode, and the change trend of the voltage of the storage battery is detected by comparing the change of the latest 6 voltage values.
Preferably, the voltage drops first at start-up, and then there is a voltage rise of more than 0.5V for more than 1s, by which the start-up operation is recognized.
Preferably, the voltage drop of 0.5V or more, which is 1s or more, continues at the time of misfire, by which the misfire operation is identified.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the vehicle can be automatically identified to be in starting or flameout operation according to the voltage of the OBD interface;
2. besides the OBD interface, no extra wiring is needed, and the installation is convenient.
Drawings
FIG. 1 is a functional block diagram of an automatic voice reminder for initiating flameout according to the present invention;
fig. 2 is a schematic diagram of a real object of the automatic voice reminding device for starting flameout according to the present invention.
Fig. 3 is a schematic diagram of voltage changes during startup and shutdown of the automatic voice prompt device for starting shutdown according to the invention.
Detailed Description
The invention is further described with reference to the following figures:
referring to fig. 1 and 2, a starting flameout automatic voice reminding device mainly comprises the following hardware circuits: OBD interface, 12V change 5V power, singlechip, voice module, loudspeaker.
The OBD interface is the only connector of the device, and the connector is plugged into an OBD socket of the automobile and is responsible for obtaining 12V power of the storage battery from the OBD socket. A12V-to-5V power supply is connected to a power supply chip and is converted into a 5V power supply to supply power to the singlechip and the voice module, and is connected to an analog signal sampling pin of the singlechip after passing through a voltage division circuit. The single chip microcomputer collects the voltage of the OBD interface in real time, and whether starting or flameout operation exists or not is identified according to the change trend of the voltage. After the starting or flameout operation is detected, a corresponding instruction is output to the voice module, and then the voice module directly drives the loudspeaker to make a corresponding voice prompt.
Sampling the voltage once at certain intervals (such as 200ms or writing 10-500 ms), rolling and storing the sampled voltage in an array, and detecting the change trend of the voltage of the storage battery by comparing the changes of the latest voltage values. During starting, the voltage drops first, and then rises (0.2V-1V) for a certain time (0.5 s-2 s), and starting operation can be identified through the continuous rise. When flameout occurs, voltage drops (0.2V-1V) lasting for a certain time (0.5 s-2 s) exist in the voltage, and flameout operation can be identified through the continuous drops.
Referring to fig. 3, the voltage variation at start-up and shut-down is shown. Sampling the voltage once at an interval of 200ms, rolling and storing the sampled voltage in an array with the length of 6, and detecting the change trend of the voltage of the storage battery by comparing the change of the latest 6 voltage values. The voltage drops first during the start-up and then rises by more than 0.5V for more than 1s, by means of which the start-up operation can be detected. When flameout occurs, the voltage drops for more than 1s and more than 0.5V, and flameout operation can be identified through the continuous drop.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims. And those not described in detail in this specification are well within the skill of those in the art.
Claims (6)
1. The utility model provides a start automatic pronunciation reminding device of putting out a fire which characterized in that: the device comprises an OBD interface, a 12V-to-5V power supply, a singlechip and a voice module;
the OBD interface is inserted into an OBD socket of the automobile and is responsible for acquiring a 12V power supply of the storage battery from the OBD socket;
the 12V to 5V power supply converts the 12V power supply into a 5V power supply, so that on one hand, the power supply supplies power to the singlechip and the voice module, and on the other hand, the power supply is connected to an analog signal sampling pin of the singlechip through a voltage division circuit;
the single chip microcomputer collects the voltage of the OBD interface in real time and identifies whether starting or flameout operation exists according to the change trend of the voltage;
after the single chip microcomputer detects starting or flameout operation, the single chip microcomputer outputs a corresponding instruction to the voice module;
the single chip microcomputer collects the voltage of the OBD interface in real time and identifies whether starting or flameout operation exists according to the change trend of the voltage; the method specifically comprises the following steps:
sampling the voltage once at intervals of 10-500 ms, rolling and storing the sampled voltage in an array, and detecting the change trend of the voltage of the storage battery by comparing the changes of the latest voltage values;
when the starting device is started, the voltage firstly drops, then the voltage rises for 0.5-2 s, the voltage rises to 0.2-1V, and the starting operation is identified through the continuous rising;
when flameout occurs, voltage drops lasting for 0.5-2 s, the voltage drops are 0.2-1V, and flameout operation is identified through the continuous drops.
2. The automatic voice reminder device for starting flameout according to claim 1, wherein: the device also comprises a loudspeaker;
the voice module makes voice prompt through a loudspeaker.
3. The automatic voice reminder device for starting flameout according to claim 2, wherein:
the voltage is sampled once with the interval time of 200 ms.
4. The automatic voice reminder device for starting flameout according to claim 3, wherein:
and rolling and storing the sampling voltage in an array with the length of 6, and detecting the change trend of the voltage of the storage battery by comparing the change of the latest 6 voltage values.
5. The automatic voice reminder device for starting flameout according to claim 4, wherein:
at the start, the voltage drops first and then rises for a duration of more than 1s and more than 0.5V, which means that the start operation is detected.
6. The automatic voice reminder device for starting flameout according to claim 4, wherein:
the voltage drop of 0.5V or more, which is 1s or more, continues at the time of misfire, and the misfire operation is recognized by this sustained drop.
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| CN202110140673.7A CN112918378B (en) | 2021-02-02 | 2021-02-02 | Automatic voice reminding device for starting flameout |
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| CN113561891A (en) * | 2021-08-27 | 2021-10-29 | 一汽奔腾轿车有限公司 | Pedestrian alarm sounding control system and control method thereof |
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