CN104786920A - Automobile tail light control device and method - Google Patents
Automobile tail light control device and method Download PDFInfo
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- CN104786920A CN104786920A CN201510179390.8A CN201510179390A CN104786920A CN 104786920 A CN104786920 A CN 104786920A CN 201510179390 A CN201510179390 A CN 201510179390A CN 104786920 A CN104786920 A CN 104786920A
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- sound
- tail light
- loudspeaker
- light control
- time length
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Abstract
The invention provides an automobile tail light control device and method. The automobile tail light control device is in electric connection with an automobile horn and an automobile tail light, and the automobile tail light control device comprises a microprocessor which is in electric connection with the horn and the tail light and a sound source identification module which is in electric connection with the microprocessor and used for identifying the strength or the duration time of a sound source signal in the environment; when the microprocessor judges that the horn has a trigger signal, the microprocessor reads the sound source signal strength or the sound signal duration time which are detected by the sound source identification module and lightens the tail light according to the strength or the duration time of the sound source signal. According to the automobile tail light control device and method, the tail light is lightened according to state detection of the automobile horn, the brightness of the tail light can be adjusted according to the strength or the duration time of the sound source signal sent by the horn, caution can be conducted more visually and intuitively for rear automobiles, and the running safety is improved.
Description
Technical field
The present invention relates to field of automobile safety, particularly relate to a kind of automobile tail light control setup and method.
Background technology
Namely automobile tail light active safety control attracts the more efficiently generation preventing rear-end collision of attention of navigating mate by different light mode.Such as: one is equipped with emergent braking lamp scintillation system to focus on the famous VOLVO car of safety on its $ 80 sections of high-grade cars.When heavy braking deceleration/decel reaches certain numerical value, the brake light flicker control setup that string presses on braking signal switch drives relay certainly fast interval adhesive automatically, allows high-mount stop lamp fast blink note slowing down to warn front vehicle.Meanwhile, after automobile stops, danger warning light also can be connected rearward to send a car automatically provides warning, effectively avoids again having an accident; On benz S level car, be equipped with Flashingbrake light technology, twinkling type stop lamp can ceaselessly glimmer when sudden stop, take to slow down accordingly measure to remind subsequent vehicle, Bayerische Motorne Werke Aktiengeellschaft then looks for another way and have employed two section type stoplight stop lamp technology, this cover system is by the brightness of stoplight stop lamp and lights area and show the size that chaufeur applies brake weight, reminds rear chaufeur to note slowing down, takes adequate measures to prevent from knocking into the back in time.Again such as, east wind beautiful 206 is equipped with active tail-end collision prevention safety system, and when emergency braking, the automatic stroboscopic of hazard way light, reminds vehicle below as early as possible, pre-anti-car rear-end.Several taillight method of controlling security more effectively can control the generation of the anti-phenomenon that knocks into the back above, but also there is limitation, if if such as chaufeur is forgotten to touch on the brake or mistake touches on the brake and the too fast safety distance recognition time that causes of the speed of a motor vehicle is too short, then this several situation above is all not too applicable.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of automobile tail light control setup and method, in the process of moving for solving chaufeur in prior art, accurately can not judge driving environment and warn front vehicle in time, and causing the problem knocked into the back.
For achieving the above object and other relevant objects, the invention provides a kind of automobile tail light control setup, described automobile tail light control setup is electrically connected with the loudspeaker of automobile and the taillight of automobile, and described automobile tail light control setup comprises: the microprocessor be electrically connected with described loudspeaker and taillight; The identification of sound source module be electrically connected with described microprocessor, in order to intensity or the time length of the sound-source signal in environment-identification; When loudspeaker described in described microprocessor judges have energizing signal, read the intensity of described sound-source signal or time length that described identification of sound source module detects, and according to the intensity of described sound-source signal or time length, light described taillight.
Optionally, described identification of sound source module is voice operated sensor, and in order to detect the intensity of described sound-source signal, the intensity of the described sound-source signal that the brightness that described taillight is lit and described voice operated sensor detect is corresponding.
Optionally, described identification of sound source module is time meter, in order to when loudspeaker described in described microprocessor judges have energizing signal, starts timing, and when described energizing signal disappears, timing terminates; The time length of the described energizing signal that the brightness that described taillight is lit and described time meter detect is corresponding, and the time length of described sound-source signal is corresponding with described energizing signal time length.
Optionally, described automobile tail light control setup also comprises a photosensor be electrically connected with described microprocessor, in order to the brightness value of ambient light.
Optionally, when the environment bright angle value that photosensor described in described microprocessor judges detects is less than a predetermined luminance threshold value, judge whether described loudspeaker have energizing signal, if not, the environment bright angle value continued described photosensor detects judges; If so, read the intensity of described sound-source signal or time length that described identification of sound source module detects, and according to the intensity of described sound-source signal or time length, light described taillight.
For achieving the above object and other relevant objects, the present invention also provides a kind of automobile tail light control method, be applied to the control of the taillight of the automobile comprising loudspeaker, comprise the steps: when loudspeaker described in a microprocessor judges be electrically connected with described loudspeaker and taillight have energizing signal, the intensity of the sound-source signal in the identification of sound source Module recognition environment making to be electrically connected with described microprocessor or time length; The intensity of the described sound-source signal that identification of sound source module described in described microcomputer reads detects or time length; Described microprocessor, according to the intensity of described sound-source signal or time length, lights described taillight.
Optionally, described identification of sound source module is voice operated sensor, and in order to detect the intensity of described sound-source signal, the intensity of the described sound-source signal that the brightness that described taillight is lit and described voice operated sensor detect is corresponding.
Optionally, described identification of sound source module is time meter, in order to when loudspeaker described in described microprocessor judges have energizing signal, starts timing, and when described energizing signal disappears, timing terminates; The time length of the described energizing signal that the brightness that described taillight is lit and described time meter detect is corresponding, and the time length of described sound-source signal is corresponding with described energizing signal time length.
Optionally, described microprocessor is electrically connected for the photosensor of testing environment brightness values with one.
Optionally, before described in the microprocessor judges that described loudspeaker and taillight are electrically connected, whether loudspeaker have the step of energizing signal, whether the environment bright angle value making photosensor described in described microprocessor judges detect is less than a predetermined luminance threshold value, if not, then the step making described microprocessor repeat the described environment bright angle value judging that described photosensor detects whether being less than a predetermined luminance threshold value; If so, then make described microprocessor perform and judge whether described loudspeaker have the step of energizing signal; And when loudspeaker described in described microprocessor judges do not have energizing signal, whether the environment bright angle value that photosensor described in microprocessor judges described in the writ of execution detects is less than the step of a predetermined luminance threshold value.
As mentioned above, a kind of automobile tail light control setup of the present invention and method, by the detection of the state to horn trumpet, light automobile tail light, and the intensity of the sound-source signal that can send according to loudspeaker or time length, the brightness of adjustment automobile tail light, warns back car with more visual in image, improves travel safety.
Accompanying drawing explanation
Fig. 1 is shown as automobile tail light control setup of the present invention structural representation in one embodiment.
Fig. 2 is shown as automobile tail light control setup of the present invention structural representation in one embodiment.
Fig. 3 is shown as automobile tail light control method of the present invention steps flow chart schematic diagram in one embodiment.
Fig. 4 is shown as automobile tail light control method of the present invention steps flow chart schematic diagram in one embodiment.
Element numbers explanation
1,1 ' automobile tail light control setups
11,11 ' microprocessor
12,12 ' identification of sound source module
13 ' photosensor
2 loudspeaker
3 taillights
S11 ~ S13, S21 ~ S26 step
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by detailed description of the invention different in addition, and the every details in this specification sheets also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.It should be noted that, when not conflicting, the feature in following examples and embodiment can combine mutually.
It should be noted that, the diagram provided in following examples only illustrates basic conception of the present invention in a schematic way, then only the assembly relevant with the present invention is shown in diagram but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
In vehicle traveling process, lighting of taillight can be warned back car usually, such as car owner brakes, when reversing waits, corresponding taillight can be lighted, and in drive routine, when emergency situation or chaufeur discovery front have obstacle, chaufeur may be forgotten and touches on the brake or feel not need brake, and just press horn trumpet to remind front vehicles or pedestrian, and navigating mate may carry out emergency brake at any time, in this case, if rear car can not know front vehicles run into abnormal condition, and be still in normal motoring condition, then probably when front emergency brake, have little time brake and cause and knock into the back.
So according to the state of the loudspeaker of Current vehicle control automobile tail light light warn front vehicle, tool has very important significance.
Refer to Fig. 1, be shown as automobile tail light control setup of the present invention structural representation in one embodiment.Described automobile tail light control setup 1 is electrically connected with the loudspeaker 2 of automobile and the taillight 3 of automobile, and described automobile tail light control setup 1 comprises:
Microprocessor 11, is electrically connected with described loudspeaker 2 and taillight 3; Described microprocessor 11 is such as electrically connected with described loudspeaker 2 and described taillight 3 by buses such as CAN or LIN buses.
Identification of sound source module 12, is electrically connected with described microprocessor 11, in order to intensity or the time length of the sound-source signal in environment-identification; When described microprocessor 11 judges that described loudspeaker 2 have an energizing signal, read intensity or the time length of the described sound-source signal that described identification of sound source module 12 detects, and according to the intensity of described sound-source signal or time length, light described taillight 3, to warn subsequent vehicle.And only have during energizing signal at described loudspeaker 2 and just carry out subsequent operation, can ensure, when this car navigating mate triggers loudspeaker 2, just open the control of automobile tail light control setup 1 described in this to described taillight 3.
In one embodiment, described identification of sound source module 12 is voice operated sensor, in order to detect the intensity of described sound-source signal, and the brightness that described taillight 3 is lit is corresponding with the intensity of the described sound-source signal that described voice operated sensor detects, the intensity of the described sound-source signal namely detected when described voice operated sensor is stronger, then the brightness value that is lit of described taillight 3 is larger, more urgent to represent the abnormal condition that vehicle runs into.
In another specific embodiment, described identification of sound source module is time meter, during in order to judge that at described microprocessor 11 described loudspeaker 2 have an energizing signal and when loudspeaker start ring, starts timing, and when described energizing signal disappears, timing terminates; The time length length of the described energizing signal that the brightness that described taillight 3 is lit and described time meter detect is directly proportional, namely the time length that is triggered of loudspeaker 2 is longer, represent situation more urgent, the brightness of described taillight 3 is also higher, and the time length of described sound-source signal is identical with described energizing signal time length.
And it is preferred, before described automobile tail light 3 being controlled according to the state of described loudspeaker 2, first judge environmental light brightness, because when brightness is better, such as, in sunny daytime, substantially do not need to open the function controlled described automobile tail light 3 according to the state of described loudspeaker 2, as shown in Figure 2, be shown as automobile tail light control setup of the present invention structural representation in one embodiment.Described automobile tail light control setup 1 ' also comprises a photosensor 13 ' be electrically connected with described microprocessor 11 ', in order to the brightness value of ambient light.When described microprocessor 11 ' judges that the environment bright angle value that described photosensor 13 ' detects is less than a predetermined luminance threshold value, described luminance threshold is the value preset, for the visbility obtained according to test of many times is poor and ambient brightness critical value in good situation, when being greater than this luminance threshold, explanation visbility is better, when being less than this luminance threshold, explanation visbility is poor, need to start auxiliary warning device of the present invention, and when visbility is poor, judge whether described loudspeaker 2 have energizing signal, if not, continue to judge the environment bright angle value that described photosensor 13 ' detects, if so, read intensity or the time length of the described sound-source signal that described identification of sound source module 12 ' detects, and according to the intensity of described sound-source signal or time length, light described taillight.Described identification of sound source module 12 ' is such as voice operated sensor or time meter, and described microprocessor 11 ', according to the intensity of described sound-source signal or time length, described in the mode lighting described taillight is such as embodiment illustrated in fig. 1, does not add at this and repeats.
Refer to shown in Fig. 3, be shown as automobile tail light control method of the present invention steps flow chart schematic diagram in one embodiment.Be applied to the control of the taillight of the automobile comprising loudspeaker, said method comprising the steps of:
S11: when loudspeaker described in a microprocessor judges be electrically connected with described loudspeaker and taillight have energizing signal, the intensity of the sound-source signal in the identification of sound source Module recognition environment making to be electrically connected with described microprocessor or time length; And only just carry out subsequent operation when described loudspeaker have energizing signal, can ensure, when this car navigating mate triggers loudspeaker, just execution according to the state of described loudspeaker to the control of described taillight.
S12: the intensity of the described sound-source signal that identification of sound source module described in described microcomputer reads detects or time length.
S13: described microprocessor, according to the intensity of described sound-source signal or time length, lights described taillight.
In one embodiment, described identification of sound source module is voice operated sensor, in order to detect the intensity of described sound-source signal, and the brightness that described taillight is lit is corresponding with the intensity of the described sound-source signal that described voice operated sensor detects, the intensity of the described sound-source signal namely detected when described voice operated sensor is stronger, then the brightness value that is lit of described taillight is larger, more urgent to represent the abnormal condition that vehicle runs into.
In another specific embodiment, described identification of sound source module is time meter, in order to when loudspeaker described in described microprocessor judges have energizing signal and when loudspeaker start ring, starts timing, and when described energizing signal disappears, timing terminates; The time length length of the described energizing signal that the brightness that described taillight is lit and described time meter detect is directly proportional, namely the time length that is triggered of loudspeaker is longer, represent situation more urgent, the brightness of described taillight is also higher, and the time length of described sound-source signal is identical with described energizing signal time length.
And it is preferred, before execution step " makes loudspeaker described in a microprocessor judges be electrically connected with described loudspeaker and taillight whether have energizing signal ", first judge the brightness of environment, because when brightness is better, such as, in sunny daytime, substantially do not need to open the function controlled described automobile tail light according to the state of described loudspeaker, described microprocessor is electrically connected with a photosensor, as shown in Figure 4, automobile tail light control method of the present invention steps flow chart schematic diagram is in one embodiment shown as.Described automobile tail light control method also comprises the steps:
S21: start.When starting automobile, start to perform following steps.
S22: whether the environment bright angle value making photosensor described in described microprocessor judges detect is less than a predetermined luminance threshold value, if so, then performs step S23; If not, then step S22 is repeated.The photosensor of described microprocessor electrical connection, in order to the brightness value of ambient light.When the environment bright angle value that photosensor described in described microprocessor judges detects is less than a predetermined luminance threshold value, described luminance threshold is the value preset, for the visbility obtained according to test of many times is poor and ambient brightness critical value in good situation, when being greater than this luminance threshold, explanation visbility is better, when being less than this luminance threshold, illustrating that visbility is poor, needing to start auxiliary alarming method for power of the present invention.
S23: when visbility is poor, makes loudspeaker described in a microprocessor judges be electrically connected with described loudspeaker and taillight whether have energizing signal; If not, then step S22 is performed; If so, then step S24 is performed; And only just carry out subsequent operation when described loudspeaker have energizing signal, can ensure, when this car navigating mate triggers loudspeaker, just execution according to the state of described loudspeaker to the control of described taillight.
S24: the intensity of the sound-source signal in the identification of sound source Module recognition environment making to be electrically connected with described microprocessor or time length.
S25: the intensity of the described sound-source signal that identification of sound source module described in described microcomputer reads detects or time length.
S26: described microprocessor, according to the intensity of described sound-source signal or time length, lights described taillight.Described identification of sound source module is such as voice operated sensor or time meter, and described microprocessor, according to the intensity of described sound-source signal or time length, described in the mode lighting described taillight is such as embodiment illustrated in fig. 3, does not add at this and repeats.
As mentioned above, a kind of automobile tail light control setup of the present invention and method, by the detection of the state to horn trumpet, light automobile tail light, and the intensity of the sound-source signal that can send according to loudspeaker or time length, the brightness of adjustment automobile tail light, warns back car with more visual in image, improves travel safety.
In sum, a kind of automobile tail light control setup of the present invention and method, by the detection of the state to horn trumpet, light automobile tail light, and the intensity of the sound-source signal that can send according to loudspeaker or time length, the brightness of adjustment automobile tail light, warns back car with more visual in image, improves travel safety.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. an automobile tail light control setup, is characterized in that, described automobile tail light control setup is electrically connected with the loudspeaker of automobile and the taillight of automobile, and described automobile tail light control setup comprises:
The microprocessor be electrically connected with described loudspeaker and taillight;
The identification of sound source module be electrically connected with described microprocessor, in order to intensity or the time length of the sound-source signal in environment-identification;
When loudspeaker described in described microprocessor judges have energizing signal, read the intensity of described sound-source signal or time length that described identification of sound source module detects, and according to the intensity of described sound-source signal or time length, light described taillight.
2. automobile tail light control setup according to claim 1, it is characterized in that: described identification of sound source module is voice operated sensor, in order to detect the intensity of described sound-source signal, the intensity of the described sound-source signal that the brightness that described taillight is lit and described voice operated sensor detect is corresponding.
3. automobile tail light control setup according to claim 1, is characterized in that: described identification of sound source module is time meter, in order to when loudspeaker described in described microprocessor judges have energizing signal, starts timing, and when described energizing signal disappears, timing terminates; The time length of the described energizing signal that the brightness that described taillight is lit and described time meter detect is corresponding, and the time length of described sound-source signal is corresponding with described energizing signal time length.
4. automobile tail light control setup according to claim 1, is characterized in that: described automobile tail light control setup also comprises a photosensor be electrically connected with described microprocessor, in order to the brightness value of ambient light.
5. automobile tail light control setup according to claim 4, it is characterized in that: when the environment bright angle value that photosensor described in described microprocessor judges detects is less than a predetermined luminance threshold value, judge whether described loudspeaker have energizing signal, if not, the environment bright angle value continued described photosensor detects judges; If so, read the intensity of described sound-source signal or time length that described identification of sound source module detects, and according to the intensity of described sound-source signal or time length, light described taillight.
6. an automobile tail light control method, is applied to the control of the taillight of the automobile comprising loudspeaker, it is characterized in that, comprise the steps:
When loudspeaker described in a microprocessor judges be electrically connected with described loudspeaker and taillight have energizing signal, the intensity of the sound-source signal in the identification of sound source Module recognition environment making to be electrically connected with described microprocessor or time length;
The intensity of the described sound-source signal that identification of sound source module described in described microcomputer reads detects or time length;
Described microprocessor, according to the intensity of described sound-source signal or time length, lights described taillight.
7. automobile tail light control method according to claim 6, it is characterized in that: described identification of sound source module is voice operated sensor, in order to detect the intensity of described sound-source signal, the intensity of the described sound-source signal that the brightness that described taillight is lit and described voice operated sensor detect is corresponding.
8. automobile tail light control method according to claim 6, is characterized in that: described identification of sound source module is time meter, in order to when loudspeaker described in described microprocessor judges have energizing signal, starts timing, and when described energizing signal disappears, timing terminates; The time length of the described energizing signal that the brightness that described taillight is lit and described time meter detect is corresponding, and the time length of described sound-source signal is corresponding with described energizing signal time length.
9. automobile tail light control method according to claim 6, is characterized in that: described microprocessor is electrically connected for the photosensor of testing environment brightness values with one.
10. automobile tail light control method according to claim 9, it is characterized in that: before described in described microprocessor judges, whether loudspeaker have the step of energizing signal, whether the environment bright angle value making photosensor described in described microprocessor judges detect is less than a predetermined luminance threshold value, if not, then the step making described microprocessor repeat the described environment bright angle value judging that described photosensor detects whether being less than a predetermined luminance threshold value; If so, then make described microprocessor perform and judge whether described loudspeaker have the step of energizing signal; And when loudspeaker described in described microprocessor judges do not have energizing signal, whether the environment bright angle value that photosensor described in microprocessor judges described in the writ of execution detects is less than the step of a predetermined luminance threshold value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510179390.8A CN104786920A (en) | 2015-04-15 | 2015-04-15 | Automobile tail light control device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510179390.8A CN104786920A (en) | 2015-04-15 | 2015-04-15 | Automobile tail light control device and method |
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| CN104786920A true CN104786920A (en) | 2015-07-22 |
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| CN201510179390.8A Pending CN104786920A (en) | 2015-04-15 | 2015-04-15 | Automobile tail light control device and method |
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| CN108099767A (en) * | 2017-11-28 | 2018-06-01 | 江西爱驰亿维实业有限公司 | Control method/system, computer readable storage medium and the equipment of automobile tail light |
| CN109466431A (en) * | 2018-09-28 | 2019-03-15 | 江苏汇鑫新能源汽车科技有限公司 | A kind of new-energy automobile taillight with alarm function |
| US10759338B1 (en) | 2019-03-20 | 2020-09-01 | Laser Tech Automotive (Shanghai) Co., Ltd. | Intelligent detection and tail light control system for automobiles and control method thereof |
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Application publication date: 20150722 |