TW202012218A - Automatic direction light control system for a vehicle - Google Patents

Abstract

An automatic direction light control system for a vehicle includes: a positioning unit, a map database, a navigation display unit, a voice guiding unit, a voice capturing unit, a vehicle speed detecting unit, a direction light unit, and a processing unit. The processing unit receives the voice capture data through the voice capture unit and determines whether the keyword is mentioned according to the voice capture data. The processing unit detects the vehicle speed through the vehicle speed detecting unit when determining that the keyword is mentioned, calculates a startup time according to the vehicle speed, and turns on the direction light unit after counting the startup time.

Description

Control system for vehicles to automatically turn on direction lights in advance

The invention relates to a control system for vehicles to turn on direction lights automatically in advance.

The direction lights of vehicles such as automobiles and electric locomotives are usually set on the left and right sides of the vehicle. When the driver wants to turn the vehicle to the left or right, it is usually done by manually turning the direction light lever or direction light switch. Direction light. In order to avoid the driver being careless and not turning on the turn signal when turning, it is currently provided to automatically turn on the turn signal by sensing the steering of the steering wheel or the turning of the tap.

However, the current method is that it is necessary to wait for the steering wheel or the direction of the faucet to automatically turn on the turn signal, and cannot automatically turn on the turn signal in advance to indicate the turning direction of the vehicle, so sometimes It will make the rear car not respond well and cause a high probability of accidents.

In view of this, the inventor has been engaged in the development and design of related products for many years, and feels that the above-mentioned deficiencies can be improved. It is especially devoted to research and cooperation with the application of academic principles. Finally, he proposes a reasonable design and effectively improves the above-mentioned deficiencies of the present invention.

The main purpose of the present invention is to provide a control system for vehicles to turn on lights in advance to solve the above problems.

The invention provides a control system for a vehicle to automatically turn on a direction light in advance, which is suitable for a vehicle and includes: a positioning unit for acquiring position information of the vehicle; a map database for storing multiple navigation maps; a navigation A display unit is used to display navigation information; a voice guidance unit is used to emit navigation voice; a voice capture unit is used to capture the navigation voice of the voice guide unit and generate voice capture data; a vehicle speed detection unit, Used to detect the speed of the vehicle; a turn signal unit to display the turning direction of the vehicle; and a processing unit, coupled to the positioning unit, the map database, the navigation display unit, the voice guidance unit , The voice capture unit, the vehicle speed detection unit, and the turn signal unit, and the processing unit receives the voice capture data through the voice capture unit, and determines whether a keyword is mentioned according to the voice capture data , The keyword includes the distance and steering of the predetermined driving turning position, and when it is judged that the keyword is mentioned, the vehicle speed is detected by the vehicle speed detection unit, and a pre-automatic hit is calculated according to the vehicle speed The turn signal time, and after counting the pre-automatic turn signal time, correspondingly turn on the turn signal unit to display the turning direction of the vehicle.

Preferably, the processing unit is further used to continuously determine whether to recalculate the pre-automatic turn-on time when counting the pre-auto turn-on time.

Preferably, the control system of the vehicle automatically turning on the direction light in advance further includes a steering detection unit, coupled to the processing unit, for detecting and outputting the steering of the vehicle when the vehicle reaches the predetermined driving steering position A turn signal, and the processing unit further determines whether the vehicle is turning according to the turn signal, and turns off the turn signal unit after a predetermined time when it is judged that the vehicle is turning, and immediately when it is judged that the vehicle is not turning Turn off the turn signal unit.

Preferably, the control system of the vehicle automatically turning on the direction light in advance further includes a blind spot detection unit and a warning unit, the blind spot detection unit and the warning unit are respectively coupled to the processing unit, and the blind spot detection unit is used In order to detect an object in the blind spot area of the vehicle after the turn signal unit is turned on, and when an object appears in the blind spot area of the vehicle detected by the blind spot detection unit, the processing unit controls the warning unit to issue a warning signal.

Therefore, the control system for the vehicle to automatically turn on the direction light in advance provided by the present invention captures the navigation voice of the voice guidance unit through the voice capture unit and generates voice capture data, and then determines whether the voice capture data is mentioned in the processing unit There is a predetermined distance to the turning position of the vehicle and a keyword for turning. When it is judged that the keyword is mentioned, the vehicle speed is detected by the vehicle speed detection unit, and a pre-automatic turn signal time is calculated according to the vehicle speed. And after counting the time of the pre-automatic turning on the turn signal, the turn-on turn signal unit is correspondingly controlled to display the turning direction of the vehicle, so that it is not necessary to wait for the turning direction of the vehicle to automatically turn on the turning signal, but when the vehicle is going straight Automatically turn on the direction light in advance to show the direction of the vehicle to turn, which effectively solves the shortcomings of the existing technology, reduces the probability of traffic accidents, and thus better and more fully guarantees the driving safety.

For the advantages of the present invention, please refer to the following detailed description and drawings of the present invention for further understanding.

900‧‧‧Vehicle

200‧‧‧Handheld mobile device

100‧‧‧Control system for vehicles to automatically turn on turn signals in advance

11‧‧‧Positioning unit

12‧‧‧Map database

13‧‧‧ Navigation display unit

14‧‧‧Voice guidance unit

15‧‧‧Voice Retrieval Unit

16‧‧‧vehicle speed detection unit

17‧‧‧Direction light unit

171‧‧‧turn left lamp

172‧‧‧right turn light

18‧‧‧Processing unit

181‧‧‧ First processor

182‧‧‧ Second processor

19‧‧‧Turn detection unit

21‧‧‧blind spot detection unit

211‧‧‧Left blind spot detector

212‧‧‧ Right blind spot detector

22‧‧‧Warning unit

S103~S127‧‧‧Step

FIG. 1 is a block diagram of a control system for a vehicle to automatically turn on a turn signal in advance according to the present invention.

2 is a block schematic diagram of a preferred solution of a control system for a vehicle to automatically turn on a turn signal in advance according to the present invention.

FIG. 3 is a block schematic diagram of another preferred solution of a control system for a vehicle to automatically turn on a turn signal in advance according to the present invention.

FIG. 4 is a block schematic diagram of yet another preferred solution of the control system of the vehicle automatically turning on the turn signal in advance according to the present invention.

FIG. 5 is a schematic diagram of an application in which a control system for a vehicle to turn on lights in advance according to the present invention is installed on a vehicle.

6 is a schematic flowchart of the method of the present invention.

In order to understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention, however, the attached drawings are provided for reference and explanation only, and are not intended to limit the scope of the present invention. And, the concept of the present invention may be embodied in many different forms, and should not be interpreted as being limited to the exemplary embodiments set forth herein.

Please refer to FIG. 1, which is a control system 100 for a vehicle to automatically turn on a turn signal in advance, which includes a positioning unit 11, a map database 12, a navigation display unit 13, a voice guidance unit 14, and a voice The capturing unit 15, a vehicle speed detection unit 16, a turn signal unit 17, and a processing unit 18.

The positioning unit 11 can be used to obtain vehicle position information, and the positioning unit 11 can be a GPS positioning unit. The map database 12 can store multiple navigation maps, and the stored navigation maps can be updated regularly. The navigation display unit 13 can be used to display navigation information, such as the location of the vehicle, a navigation map, a navigation route, etc. The navigation display unit 13 can be a liquid crystal screen or a touch screen. The voice guidance unit 14 can be used to issue navigation voices according to navigation information, for example, please go straight, turn left or turn right, etc. The voice guidance unit 14 can be a sounding device. The above-mentioned positioning unit 11, map database 12, navigation display unit 13, and voice guidance unit 14 are respectively coupled to the processing unit 18, and the processing unit 18 can obtain the position data of the vehicle through the positioning unit 11, that is, the latitude and longitude data of the vehicle, According to the vehicle's position data, the corresponding navigation map is extracted from the map database 12, and the navigation route is planned according to the input start and end points, and then the vehicle's position, navigation map, and planned navigation route can be displayed through the navigation display unit 13, At the same time, a navigation voice can be issued through the voice guidance unit 14 to guide the driver to drive the planned navigation route.

The voice capturing unit 15 may be used to capture the navigation voice of the voice guidance unit 14 and generate voice capturing data. The voice capturing unit 15 may be a side recording device. The vehicle speed detection unit 16 may be used to detect the vehicle speed. The vehicle speed detection unit 16 may be a Hall-effect vehicle speed sensor or a photoelectric vehicle speed sensor. The turn signal unit 17 can be used to display the turning direction of the vehicle, and the turn signal unit 17 can include a left turn light 171 and a right turn light 172, and of course can further include left turn lights and right turn lights on the left and right rearview mirrors . The above-mentioned voice acquisition unit 15, vehicle speed detection unit 16, and turn signal unit 17 are respectively coupled to the processing unit 18, and the processing unit 18 can determine the voice acquisition data through the voice acquisition data received by the voice acquisition unit 15 Whether the keyword is mentioned, the keyword includes the distance and steering of the predetermined driving turning position, and when it is judged that the keyword is mentioned, the vehicle speed is detected by the vehicle speed detection unit 16, and a speed is calculated according to the vehicle speed Automatically turn on the turn signal time in advance, and after counting the time to turn on the turn signal automatically in advance, correspondingly turn on the turn signal unit 17 to display the turn of the vehicle to turn.

For example, when navigating, the voice guidance unit 14 emits a navigation voice to guide the driver to drive the planned navigation route, for example, a navigation voice prompts “500 meters ahead, turn right”, and the voice capture unit 15 then Retrieve the navigation voice of the voice guidance unit 14 and generate voice-retrieved data to the processing unit 18. The processing unit 18 determines from the voice-retrieved data that the mentioned keyword, that is, 500 meters ahead and turns right, processes Unit 18 detects the speed of the vehicle through the vehicle speed detection unit 16, and calculates the vehicle's speed, for example, the speed of 60 kilometers per hour, calculates about 30 seconds to reach the predetermined driving steering position (ie, the intersection ahead), and calculates a Automatically turn on the turn signal time in advance (for example, 20 seconds), you can turn on the right turn light 172 of the turn signal unit 17 after counting down 20 seconds or after counting up 20 seconds, to show in advance that the vehicle is about to turn right That is, the right turn light 172 can be displayed in advance for about 10 seconds before the vehicle reaches the predetermined driving steering position. In other words, the pre-automatic turn signal time can be obtained by subtracting a pre-display turning time from a time to reach a predetermined driving turning position.

As another example, during navigation, the voice guidance unit 14 emits a navigation voice to guide the driver to drive the planned navigation route, for example, a navigation voice prompt "150 meters ahead, turn right", at this time the voice acquisition unit 15 is to capture the navigation voice of the voice guidance unit 14 and generate voice capture data to the processing unit 18, the processing unit 18 determines from the voice capture data that there are mentioned keywords, that is, 150 meters ahead and turn right , The processing unit 18 detects the vehicle speed through the vehicle speed detection unit 16, and calculates the vehicle's speed, for example, the speed of 60 kilometers per hour, and calculates that it will reach the predetermined turning position (ie, the intersection ahead) after about 9 seconds, and calculate A pre-automatic turn signal time (such as 0 seconds), that is, after 0 seconds, correspondingly turn on the right turn lamp 172 of the turn signal unit 17 to pre-display that the vehicle is about to turn right, that is, the right turn lamp 172 It can be displayed in advance for about 9 seconds before the vehicle reaches the scheduled turning position. In other words, when the time to reach the predetermined driving steering position minus the pre-display steering time is negative, the pre-automatic turn signal time is 0 seconds, that is to say, the processing unit 18 will immediately correspondingly control the turn signal unit 17 to display The steering to be turned by the vehicle can still be automatically turned on in advance to indicate the steering to be turned.

As another example, the processing unit 18 can also be used to continuously determine whether to recalculate the pre-automatic turn-on time according to the change of the vehicle speed when counting the pre-auto turn-on time, for example, when the vehicle speed When the speed changes from 60 kilometers per hour to 30 kilometers per hour, the processing unit 18 recalculates the time when the predetermined driving steering position is reached to recalculate the pre-automatic turn signal time accordingly.

As a preferred solution, please refer to FIG. 2, the control system 100 for pre-turning lights of a vehicle provided by the present invention may further include a steering detection unit 19 coupled to the processing unit 18, and the steering detection unit 19 may be a compass ( compass) or gyro sensor. In particular, the steering detection unit 19 is used to detect the vehicle's steering and output a steering signal when the vehicle reaches a predetermined driving steering position, and the processing unit 18 further determines whether the vehicle is turning according to the steering signal, and then determines the vehicle When there is a turn, the turn signal unit 17 is turned off after a predetermined time (for example, 3 seconds), and when it is judged that the vehicle is not turned, the turn signal unit 17 is turned off immediately. That is to say, when the driver turns when the vehicle reaches the predetermined driving turning position, the direction light unit 17 that has been automatically turned on in advance can be continuously turned on and turned off after about 3 seconds after turning, and when the driver reaches the scheduled driving When turning to the position, no turning is performed, and the turn signal unit 17 that has been automatically turned on in advance is automatically turned off immediately.

As a preferred solution, please refer to FIG. 3, the control system 100 for the vehicle to automatically turn on the turn signal in advance provided by the present invention may further include a blind spot detection unit 21 and a warning unit 22, which are respectively coupled to the processing unit 18 for blind spot detection The measuring unit 21 may be an ultrasonic blind spot detector or an RF radar blind spot detector, and the blind spot detecting unit 21 may include a left blind spot detector 211 and a right blind spot detector 212, of course, it may include more Blind spot detector. In particular, the blind spot detection unit 21 is used to detect objects in the blind spot area of the vehicle after the turn signal unit 17 is turned on, and when the blind spot detection unit 21 detects objects appearing in the blind spot area of the vehicle, the processing unit 18 controls The warning unit 22 sends out a warning signal. The warning signal may be a warning light, a warning sound or a combination thereof. In other words, the blind spot detection unit 21 is triggered when the turn signal is automatically displayed in advance to indicate the turning direction of the vehicle, so as to actively detect the blind spot area of the vehicle before the vehicle wants to turn, effectively improving the safety of the vehicle when turning . In detail, the left blind spot detector 211 is configured to be triggered when the left turn light 171 of the turn signal unit 17 is turned on, and the right blind spot detector 212 is configured to be turned on when the right turn light 172 of the turn signal unit 17 is turned on Is triggered.

As a preferred solution, please refer to FIG. 4, the processing unit 18 of the control system 100 for the vehicle to automatically turn on the direction indicator light provided by the present invention may include a first processor 181 and a second processor 182 coupled to each other. The aforementioned positioning unit 11, map database 12, navigation display unit 13, voice guidance unit 14, first processor 181 can be integrated into a car navigation device, and the aforementioned car navigation device can be pre-installed on a vehicle, for example It is pre-installed on the car's locomotive or on the dashboard of the locomotive. In addition, the aforementioned voice acquisition unit 15, vehicle speed detection unit 16, and second processor 182 can be integrated into a control device for the vehicle to automatically turn on the turn signal in advance, and can be coupled to the aforementioned car navigation device and direction during installation Between the light units 17, the aforementioned control device for the vehicle to automatically turn on the direction light in advance can be applied to any car navigation device. In addition, the aforementioned control device for the vehicle to automatically turn on the turn signal in advance may further integrate the steering detection unit 19, the blind spot detection unit 21, and the warning unit 22 of FIG.

As a preferred solution, please refer to FIG. 5 and may refer to FIGS. 1 to 4 as appropriate. The control system 100 for the vehicle to automatically turn on the turn signal in advance provided by the present invention may be installed in a vehicle 900, such as an electric locomotive. In addition, a handheld mobile device 200 with an application (APP) installed can send an unlock key to the control system 100 for the vehicle to automatically turn on the beacon in a Bluetooth transmission mode to unlock, so that the handheld mobile device 200 and the vehicle can be automatically activated in advance. The control system 100 for the turn signal establishes a connection, and the handheld mobile device 200 can be used as an input device for inputting the starting point and the end point to the control system 100 for the vehicle to automatically turn on the direction light, so that the control system 100 for the vehicle to turn on the direction light automatically The input start point and end point plan the navigation route, and can decide whether to change the navigation route at any time according to the vehicle's position data.

From the above embodiments, the present invention can be summarized as a control method for a vehicle to automatically turn on a turn signal in advance. For a schematic flowchart of the vehicle, please refer to FIG. 6, and please refer to FIG. 1 to FIG. 5 as appropriate. The control method of the vehicle automatic pre-turning direction light of the present invention is applicable to a control system of the vehicle pre-automatic turn direction light (for example, the control system of the vehicle pre-automatic turn direction light provided by the present invention).

First, in step S103, the handheld mobile device 200 is used to send an unlock key via Bluetooth transmission to the control system 100 for the vehicle to automatically turn on the direction light for unlocking, and the handheld mobile device 200 and the vehicle are automatically turned on before the direction light is controlled The system 100 establishes a connection.

In step S105, the handheld mobile device 200 is used to input the starting point and the end point to the control system 100 for the vehicle to automatically turn on the direction light in advance, so that the processing unit of the control system 100 for the vehicle to automatically turn on the direction light to plan a navigation route according to the input starting point and end point, And at any time according to the vehicle's location data to decide whether to change the navigation route.

In step S107, the voice capture unit 15 is used to capture the navigation voice of the voice guidance unit 15 and generate voice capture data.

In step S109, using the processing unit 18, it is determined whether a keyword is mentioned in the voice extraction data, and the keyword includes the distance and steering of a predetermined driving steering position. If the judgment result of step S109 is NO, it returns to step S107. If the judgment result in step S109 is YES, it proceeds to step S111.

In step S111, the vehicle speed detection unit 16 is used to detect the vehicle speed.

In step S113, the processing unit 18 is used to calculate a pre-automatic turn signal time according to the vehicle speed.

In step S115, the processing unit 18 is used to count the time during which the turn signal is automatically turned on in advance.

In step S117, the processing unit 18 is used to determine whether the turn signal unit 17 has been turned on manually when counting the time for turning on the turn signal automatically in advance. If the judgment result in step S117 is yes, skip to step S121. If the judgment result of step S115 is NO, it progresses to step S119.

In step S119, using the processing unit 18, after counting the time for automatically turning on the turn signal in advance, the turn signal unit 17 corresponding to turning on the turn signal unit is displayed to indicate the turning direction of the vehicle.

In step S121, the blind spot detection unit 21 is used to detect the object in the blind spot area of the vehicle according to the turning direction of the vehicle.

In step S123, the processing unit 18 determines whether there is an object in the blind spot area of the vehicle. If the judgment result of step S123 is NO, skip to step S127. If the judgment result of step S123 is YES, it proceeds to step S125.

In step S125, the processing unit 18 is used to control the warning unit 22 to issue a warning signal.

In step S127, navigation is continued. If it is judged that the vehicle deviates from the navigation route according to the vehicle's position data, the navigation route between the current vehicle position and the destination location is re-planned, and then the navigation route is continued from the current location according to the re-planned navigation route.

Based on the above, the control system for the vehicle to automatically turn on the direction light in advance provided by the present invention captures the navigation voice of the voice guidance unit through the voice capture unit and generates voice capture data, and then determines whether the voice capture data is in the voice capture data through the processing unit Mention the keyword of the distance and the steering direction of the predetermined driving turning position, and when it is judged that the keyword is mentioned, then detect the vehicle speed through the vehicle speed detection unit, and calculate a pre-automatic turn signal according to the vehicle speed Time, and after counting the time of the automatic turn signal on in advance, correspondingly turn on the turn signal unit to display the turning direction of the vehicle, so that it is not necessary to wait for the vehicle to sense the turning direction before automatically turning on the turn signal, but when the vehicle is going straight That is, the direction light can be automatically turned on in advance to indicate the turning direction of the vehicle, which effectively solves the shortcomings of the existing technology, reduces the probability of traffic accidents, and thus better and more fully guarantees the driving safety.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of patent protection of the present invention. Therefore, all equivalent changes in the description and drawings of the present invention are included in the protection of the rights of the present invention. Within the scope, together with Chen Ming.

100‧‧‧Control system for vehicles to automatically turn on turn signals in advance

11‧‧‧Positioning unit

12‧‧‧Map database

13‧‧‧ Navigation display unit

14‧‧‧Voice guidance unit

15‧‧‧Voice Retrieval Unit

16‧‧‧vehicle speed detection unit

17‧‧‧Direction light unit

171‧‧‧turn left lamp

172‧‧‧right turn light

18‧‧‧Processing unit

Claims (4)

A control system for vehicles to automatically turn on direction lights in advance is suitable for a vehicle, including: a positioning unit to obtain position information of the vehicle; a map database to store multiple navigation maps; and a navigation display unit to use To display navigation information; a voice guidance unit to emit navigation voice; a voice capture unit to capture the navigation voice of the voice guide unit and generate voice capture data; a vehicle speed detection unit to detect The speed of the vehicle; a turn signal unit to display the turning direction of the vehicle; and a processing unit, coupled to the positioning unit, the map database, the navigation display unit, the voice guidance unit, the voice capture A fetch unit, the vehicle speed detection unit, and the turn signal unit, and the processing unit receives the voice retrieving data through the voice retrieving unit, and judges whether a keyword is mentioned according to the voice retrieving data, the keyword Including the distance and steering of the predetermined driving steering position, and when it is judged that the keyword is mentioned, the vehicle speed is detected by the vehicle speed detection unit, and a pre-automatic turn signal time is calculated according to the vehicle speed, And after counting the time of the automatic turn signal on in advance, correspondingly turn on the turn signal unit to display the turning direction of the vehicle to turn. The control system of a vehicle's pre-automatic turn signal as described in claim 1, wherein the processing unit is further used to continuously decide whether to recalculate the pre-automatic according to the change of the vehicle's speed when counting the pre-auto turn signal time Turn signal time. The control system for the vehicle to automatically turn on the turn signal as described in claim 1 further includes a steering detection unit, coupled to the processing unit, for detecting the steering of the vehicle when the vehicle reaches the predetermined driving steering position And output a turn signal, and the processing unit further judges whether the vehicle is turning according to the turn signal, and turns off the turn signal unit after a predetermined time when it is judged that the vehicle is turning, and judges that the vehicle is not turning Turn off the turn signal unit immediately. The control system for a vehicle to automatically turn on a turn signal as described in claim 1 further includes a blind spot detection unit and a warning unit, the blind spot detection unit and the warning unit are respectively coupled to the processing unit, and the blind spot detection The unit is used to detect objects in the blind spot area of the vehicle after the turn signal unit is turned on, and when the blind spot detection unit detects objects appearing in the blind spot area of the vehicle, the processing unit controls the warning unit to issue a warning signal .

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