CN109561553A - Double sudden strain of a muscle control circuits, method and device - Google Patents
Double sudden strain of a muscle control circuits, method and device Download PDFInfo
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- CN109561553A CN109561553A CN201811493253.1A CN201811493253A CN109561553A CN 109561553 A CN109561553 A CN 109561553A CN 201811493253 A CN201811493253 A CN 201811493253A CN 109561553 A CN109561553 A CN 109561553A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a kind of double sudden strain of a muscle control circuits, method and device, double control circuits of dodging include sensor circuit, double sudden strain of a muscle key circuits, controller and electric power management circuit；Wherein, the electric power management circuit, for providing operating voltage for the controller；The sensor circuit, for when sensing the external world is the illumination brightness on daytime, judgement to be currently at day mode；When sensing the external world is the illumination brightness at night, judgement is currently at night mode.It is achieved in double background lights for dodging key circuit and realizes the control to the double flashing light light of vehicle with the linkage of environment light, and by the controller.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a double-flash control circuit, a method and a device.
Background
The double-flash key of the traditional vehicle type mainly realizes double-flash control output through the physical structure of the key, the physical structure is complex, a self-locking mechanism is required, and the failure probability of the double-flash key is far greater than that of a single key;
in addition, the backlight of the double-flash button of the traditional vehicle type can not change along with the change of the ambient light, so that the comfort and the interactive experience of a user are poor.
Disclosure of Invention
The invention mainly aims to provide a double-flash control circuit, which aims to realize linkage of a background light of a double-flash key along with ambient light through the double-flash control circuit and realize control of double-flash light of a vehicle through a controller so as to improve comfortable sensation and interactive experience of a user.
In order to achieve the above object, the present invention provides a dual-flash control circuit, which includes an induction circuit, a dual-flash key circuit, a controller and a power management circuit; wherein,
the power supply management circuit is used for providing working voltage for the controller;
the sensing circuit is used for judging that the mobile terminal is in a daytime mode currently when the outside is sensed to be the illumination brightness of the daytime; when the outside is sensed to be the illumination brightness at night, judging that the mobile terminal is in the night mode at present;
the controller is used for enabling a background lamp of the double-flashing key circuit to be in a closed state when a double-flashing key of the double-flashing key circuit is not pressed in a daytime mode, and controlling the power management circuit to output a high level so that the dangerous alarm lamp is in a closed state; in a daytime mode, when a double-flashing key of the double-flashing key circuit is pressed down, a background lamp of the double-flashing key circuit is in a high-brightness mode, the power supply management circuit is controlled to output a low level, and the dangerous alarm lamp is triggered to be in a double-flashing mode; in the night mode and when the double-flashing key of the double-flashing key circuit is not pressed down, the background lamp of the double-flashing key circuit is in a weak bright working mode, and the power supply management circuit is controlled to output high level, so that the dangerous alarm lamp is in a closed state; in the night mode just when the two keys that dodge of two key circuit that dodge pressed down, make the backlight of two key circuit that dodge is in the mode of highlighting, and control power management circuit output low level triggers the dangerous warning light is in two modes of dodging.
Preferably, the double-flash key circuit comprises a first triode, a first resistor, a second triode, a third triode, a first power supply, a light emitting diode and a third resistor; wherein,
the base of first triode with the controller is connected, the projecting pole ground connection of first triode, the collecting electrode of first triode with the first end of first resistance is connected, the base of second triode with the controller is connected, the projecting pole ground connection of second triode, the collecting electrode of second triode with the base of third triode is connected, the projecting pole of third triode with first power is connected, the collecting electrode of third triode with emitting diode's positive pole is connected, emitting diode's negative pole with the first end of third resistance reaches the second end of first resistance is connected respectively, the second end ground connection of third resistance.
Preferably, the double-flash key circuit further comprises a first capacitor, a second resistor, a second power supply and the double-flash key; wherein,
the first end of first electric capacity with the controller is connected, the second end ground connection of first electric capacity, the first end of second resistance with the second power is connected, the second end of second resistance with the first end of two keys that dodge is connected, the second end ground connection of two keys that dodge.
Preferably, the sensing circuit comprises a fourth resistor, a third power supply and a photodiode; wherein,
the first end of the fourth resistor is connected with the third power supply, the second end of the fourth resistor is connected with the controller, the second end of the fourth resistor is further connected with the anode of the photosensitive diode, and the cathode of the photosensitive diode is grounded.
Preferably, the power management circuit includes a fourth triode, a fifth resistor, a fourth power supply and a control terminal; wherein,
the base electrode of the fourth triode is connected with the controller, the emitting electrode of the fourth triode is grounded, the collector electrode of the fourth triode is connected with the first end of the fifth resistor and the input end of the control end respectively, and the second end of the fifth resistor is connected with the fourth power supply.
Preferably, the power management circuit further includes a fifth triode, a sixth resistor, a fifth power supply and a power management terminal; wherein,
an emitting electrode of the fifth triode is grounded, a base electrode of the fifth triode is connected with an input end of the power management end, a collector electrode of the fifth triode is respectively connected with the controller and a first end of the sixth resistor, and a second end of the sixth resistor is connected with the fifth power supply.
Preferably, the hazard warning lamp is used for being in an off state when the output end of the control end outputs a high level, and is in a double-flash mode when the output end of the control end outputs a low level; wherein, the danger warning light is connected with the output end of the control end.
Preferably, the double-flash key circuit is connected with the interrupt input end of the controller and the corresponding common output end respectively, the sensing circuit is connected with the AD input end of the controller, the power management circuit is connected with the common input end corresponding to the controller and the corresponding common output end respectively, and the power management circuit is connected with the hazard lamps through the output end of the control end.
The invention also provides a double-flash control method, which comprises the following steps:
when the sensing circuit senses that the outside is the illumination brightness in the daytime, the sensing circuit judges that the sensing circuit is in the daytime mode at present; when the outside is sensed to be the illumination brightness at night, judging that the mobile terminal is in the night mode at present;
when the controller is in a daytime mode and the double-flashing key is not pressed down, the background lamp is in a closed state, and the power supply management circuit is controlled to output a high level, so that the dangerous alarm lamp is in a closed state;
when the controller is in a daytime mode and the double-flashing key is pressed down, the background lamp is in a high-brightness mode, the power supply management circuit is controlled to output low level, and the danger alarm lamp is triggered to be in a double-flashing mode;
when the controller is in a night mode and the double-flashing key is not pressed down, the background lamp is in a weak bright working mode, and the power supply management circuit is controlled to output high level, so that the dangerous alarm lamp is in a closed state;
the controller is in night mode and when the double-flashing key is pressed down, the background lamp is in a high-brightness mode, the power supply management circuit is controlled to output low level, and the danger alarm lamp is triggered to be in a double-flashing mode.
The invention also provides a double-flash control device, which comprises the double-flash control circuit as described in any one of the above items, or is applied to the double-flash control method as described above.
According to the technical scheme, the double-flash control circuit is formed by arranging the induction circuit, the double-flash key circuit, the controller and the power management circuit. The power management circuit provides working voltage for the controller; when the sensing circuit senses that the outside is the illumination brightness in the daytime, the sensing circuit judges that the sensing circuit is in the daytime mode at present; when the outside is sensed to be the illumination brightness at night, judging that the mobile terminal is in the night mode at present; when the controller is in a daytime mode and the double-flashing key is not pressed down, the background lamp is in a closed state, and the power supply management circuit is controlled to output a high level, so that the dangerous alarm lamp is in a closed state; when the controller is in a daytime mode and the double-flashing key is pressed down, the background lamp is in a high-brightness mode, the power supply management circuit is controlled to output low level, and the danger alarm lamp is triggered to be in a double-flashing mode; when the controller is in a night mode and the double-flashing key is not pressed down, the background lamp is in a weak bright working mode, and the power supply management circuit is controlled to output high level, so that the dangerous alarm lamp is in a closed state; the controller is in night mode and when the double-flashing key is pressed down, the background lamp is in a high-brightness mode, the power supply management circuit is controlled to output low level, and the danger alarm lamp is triggered to be in a double-flashing mode. Therefore, the background light of the double-flashing key circuit is linked with the ambient light, and the control of the double-flashing light of the vehicle is realized through the controller.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a functional block diagram of a dual strobe control circuit according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of a dual strobe control circuit according to an embodiment of the present invention;
FIG. 3 is a flow chart illustrating a dual flash control method according to the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should be considered to be absent and not within the protection scope of the present invention.
The invention provides a double-flash control circuit.
Referring to fig. 1, in the embodiment of the present invention, the dual flash control circuit includes a sensing circuit 100, a dual flash key circuit 200, a controller 300, and a power management circuit 400; wherein,
the power management circuit 400 is configured to provide a working voltage for the controller 300;
the sensing circuit 100 is configured to determine that the mobile terminal is currently in the daytime mode when sensing that the outside is the illumination brightness in the daytime; when the outside is sensed to be the illumination brightness at night, judging that the mobile terminal is in the night mode at present;
the controller 300 is configured to, in a daytime mode and when the double flashing key S1 of the double flashing key circuit 200 is not pressed, enable the backlight of the double flashing key circuit 200 to be in an off state, and control the power management circuit 400 to output a high level, so that the hazard warning lamp 500 is in an off state; when the dual flash key S1 of the dual flash key circuit 200 is pressed in the daytime mode, the backlight of the dual flash key circuit 200 is in the high brightness mode, and the power management circuit 400 is controlled to output a low level to trigger the hazard warning lamp 500 to be in the dual flash mode; in the night mode and when the double flashing key S1 of the double flashing key circuit 200 is not pressed, the backlight of the double flashing key circuit 200 is in the weak bright working mode, and the power management circuit 400 is controlled to output a high level, so that the hazard warning lamp 500 is in the off state; in the night mode, when the double flashing key S1 of the double flashing key circuit 200 is pressed, the backlight of the double flashing key circuit 200 is in the high brightness mode, and the power management circuit 400 is controlled to output a low level to trigger the hazard warning lamp 500 to be in the double flashing mode.
It should be noted that, in this embodiment, the identification button of the double flash key S1 is a physically designed triangular identification, the triangular identification is carved out by laser engraving, and a screen printing technology is used to screen print a triangular identification area in red, where the triangular identification area needs to meet regulations; the backlight is the light emitting diode D1; a photo resistor is disposed in the sensing circuit 100 to sense ambient light.
Further, in this embodiment, after the device including the circuit is mounted on the vehicle, the controller 300 is always in a normal power supply state through the power management circuit 400, and after power is supplied, the common terminal of the double-flash button S1, the first capacitor C1 and the second resistor is connected with the interrupt input terminal initialized by the controller 300, the base of the first transistor Q1 and the base of the second transistor Q2 are respectively connected to the common output terminal of the controller 300, the common terminal of the fourth resistor R4 and the photodiode D2 is connected to the AD input terminal initialized by the controller 300, the common terminal of the fifth transistor Q5 and the sixth resistor R6 is connected to the common input terminal corresponding to the initialization of the controller 300, the base electrode of the fourth triode Q4 is connected with the common output end corresponding to the initialization of the controller 300; after the controller 300 is initialized, when the sensing circuit 100 senses the light intensity of the outside world in the daytime, that is, when the internal photosensor resistor is in the high light resistance range, it is determined that the current mode is the daytime mode, and then the operating mode is set as the daytime mode, and when the sensing circuit 100 senses the light intensity of the outside world in the night, that is, when the internal photosensor resistor is in the low light resistance range, it is determined that the current mode is the night mode, and then the operating mode is set as the night mode. In addition, by manual operation, when the input terminal of the power management terminal ILL _ ADJ is at a low level, the operating mode is set to the daytime mode, and when the input terminal of the power management terminal ILL _ ADJ is at a high level, the operating mode is set to the night mode.
It should be noted that, in this embodiment, the controller 300 is mainly controlled by an internal MCU (microcontrollerunit), and it is easy to understand that the controller 300 may also be formed by a chip with strong processing capability such as a single chip microcomputer and a peripheral circuit, which are not described herein again. In addition, the first power VCC1 through the fifth power VCC5 are all power supplies provided by the controller 300.
According to the technical scheme, the sensing circuit 100, the double-flash key circuit 200, the controller 300 and the power management circuit 400 are arranged to form the double-flash control circuit. Wherein, the power management circuit 400 provides the controller 300 with a working voltage; when the sensing circuit 100 senses that the outside is the illumination brightness in the daytime, it is determined that the current mode is in the daytime; when the outside is sensed to be the illumination brightness at night, judging that the mobile terminal is in the night mode at present; when the controller 300 is in the daytime mode and the double flashing button S1 is not pressed, the backlight is turned off, and the power management circuit 400 is controlled to output a high level, so that the hazard lamp 500 is turned off; when the controller 300 is in the daytime mode and the double flashing button S1 is pressed, the background light is in the high brightness mode, and the power management circuit 400 is controlled to output a low level, which triggers the hazard warning light 500 to be in the double flashing mode; when the controller 300 is in the night mode and the double flashing button S1 is not pressed, the backlight is in the weak bright operation mode, and the power management circuit 400 is controlled to output a high level, so that the hazard lamp 500 is in the off state; when the controller 300 is in the night mode and the double flashing button S1 is pressed, the background light is set to be in the high brightness mode, and the power management circuit 400 is controlled to output a low level to trigger the hazard lamp 500 to be in the double flashing mode. Therefore, the background light of the double-flash key circuit 200 is linked with the ambient light, and the double-flash light of the vehicle is controlled through the controller 300.
Referring to fig. 2, in particular, the dual flash key circuit 200 includes a first transistor Q1, a first resistor R1, a second transistor Q2, a third transistor Q3, a first power VCC1, a light emitting diode D1, and a third resistor R3; wherein,
the base of the first triode Q1 is connected to the controller 300, the emitter of the first triode Q1 is grounded, the collector of the first triode Q1 is connected to the first end of the first resistor R1, the base of the second triode Q2 is connected to the controller 300, the emitter of the second triode Q2 is grounded, the collector of the second triode Q2 is connected to the base of the third triode Q3, the emitter of the third triode Q3 is connected to the first power VCC1, the collector of the third triode Q3 is connected to the anode of the light emitting diode D1, the cathode of the light emitting diode D1 is connected to the first end of the third resistor R3 and the second end of the first resistor R1, and the second end of the third resistor R3 is grounded.
Specifically, the dual flash key circuit 200 further includes a first capacitor C1, a second resistor R2, a second power VCC2, and the dual flash key S1; wherein,
the first end of first electric capacity with the controller is connected, the second end ground connection of first electric capacity, the first end of second resistance with the second power is connected, the second end of second resistance with the first end of two keys that dodge is connected, the second end ground connection of two keys that dodge.
In this embodiment, when the dual flash button S1 is not pressed in the daytime mode, i.e., when the dual flash function is not triggered, the controller 300 outputs a low level to turn off the second transistor Q2 and the third transistor Q3, so that the circuit of the light emitting diode D1 is turned off and the backlight is turned off; when the dual flash key S1 is pressed in the daytime mode, the controller 300 outputs a high level, so that the first transistor Q1, the second transistor Q2 and the third transistor Q3 are turned on, and the loop of the light emitting diode D1 is turned on to be in the highlight mode, i.e., the backlight is in the highlight mode; in the night mode and when the double flashing button S1 is not pressed, i.e., the double flashing function is not triggered, the controller 300 turns off the first transistor Q1, turns off the second transistor Q2 and the third transistor Q3, and turns on the loop of the light emitting diode D1 but is in the dim-bright mode due to the first transistor Q1 being turned off, i.e., the backlight is in the dim-bright mode; in the night mode and when the double flash key S1 is pressed, the controller 300 outputs a high level, such that the first transistor Q1, the second transistor Q2 and the third transistor Q3 are turned on, and the loop of the light emitting diode D1 is turned on to be in the highlight mode, i.e., the backlight is in the highlight mode.
Specifically, the sensing circuit 100 includes a fourth resistor R4, a third power source VCC3, and a photodiode D2; wherein,
the first end of fourth resistance R4 with third power VCC3 is connected, the second end of fourth resistance R4 with the controller 300 is connected, the second end of fourth resistance R4 still with photodiode D2's positive pole is connected, photodiode D2's negative pole ground connection.
It should be noted that, in this embodiment, the sensing circuit 100 senses the external illumination brightness through the fourth resistor R4, and when the illumination is strong illumination, the resistance of the fourth resistor R4 is reduced, so that the current flowing into the photodiode D2 is increased, which means that the photodiode D2 is turned on to emit light, and it is determined that the current is in the daytime mode; when the light is weak, the resistance of the fourth resistor R4 is increased, so that the current flowing into the photodiode D2 is small, that is, the photodiode D2 is cut off and does not emit light, and it is determined that the current mode is in the night mode.
It is easily understood that, in this embodiment, the fourth resistor R4 is a photosensitive device type resistor, and the photosensitive diode D2 is a photosensitive device type diode.
Specifically, the power management circuit 400 includes a fourth transistor Q4, a fifth resistor R5, a fourth power VCC4, and a control terminal CTL; wherein,
the base of the fourth triode Q4 is connected to the controller 300, the emitter of the fourth triode Q4 is grounded, the collector of the fourth triode Q4 is connected to the first end of the fifth resistor R5 and the input end of the control end CTL, and the second end of the fifth resistor R5 is connected to the fourth power VCC 4.
In this embodiment, when the dual flash button S1 is not pressed in the daytime mode, the backlight is turned off, the controller 300 turns off the fourth transistor Q4, and the collector of the fourth transistor Q4 outputs a high level to the control terminal CTL via the pull-up resistor R5, so that the hazard alarm 500 is turned off; when the daytime mode is performed and the double flashing button S1 is pressed, the backlight is in the high-brightness mode, the controller 300 makes the fourth transistor Q4 conductive, and the collector of the fourth transistor Q4 is grounded to output a low level to the control terminal CTL, triggering the hazard alarm 500 lamp to be in the double flashing mode; in the night mode and when the double flash key S1 is not pressed, the backlight is in the weak bright mode, the controller 300 turns off the fourth transistor Q4, and the collector of the fourth transistor Q4 outputs a high level to the control terminal CTL via the pull-up resistor R5, so that the hazard lamp 500 is in a turned-off state; in the night mode and when the double flashing button S1 is pressed, the backlight is in the high-brightness mode, the controller 300 makes the fourth transistor Q4 turned on, and the collector of the fourth transistor Q4 is grounded to output a low level to the control terminal CTL, triggering the hazard lamp 500 to be in the double flashing mode.
Specifically, the power management circuit 400 further includes a fifth transistor Q5, a sixth resistor R6, a fifth power VCC5, and a power management terminal ILL _ ADJ; wherein,
an emitter of the fifth triode Q5 is grounded, a base of the fifth triode Q5 is connected to the input terminal of the power management terminal IIL _ ADJ, a collector of the fifth triode Q5 is connected to the controller 300 and the first end of the sixth resistor R6, respectively, and the second end of the sixth resistor R6 is connected to the fifth power VCC 5.
It should be noted that, in this embodiment, through manual operation, when the input terminal of the power management terminal ILL _ ADJ is at a low level, the operating mode is set to the daytime mode, and when the input terminal of the power management terminal ILL _ ADJ is at a high level, the operating mode is set to the night mode.
Specifically, the hazard lamp 500 is configured to be in an off state when the output terminal of the control terminal CTL outputs a high level, and to be in a double flash mode when the output terminal of the control terminal CTL outputs a low level; wherein the hazard lamp 500 is connected to an output terminal of the control terminal CTL.
It should be noted that in this embodiment, when the control end CTL outputs a high level, the hazard warning lamp 500 is in a turned-off state after the vehicle dual-flash control IO receives the high level signal; when the control end CTL outputs a low level, the vehicle double-flash control IO triggers the hazard warning lamp 500 to be in a double-flash mode after receiving a low level signal.
Specifically, the dual-flash key circuit 200 is connected to the interrupt input terminal of the controller 300 and the corresponding common output terminal, the sensing circuit 100 is connected to the AD input terminal of the controller 300, the power management circuit 400 is connected to the common input terminal corresponding to the controller 300 and the corresponding common output terminal, and the power management circuit 400 is connected to the hazard lamp 500 via the output terminal of the control terminal CTL.
In this embodiment, after the device including the circuit is mounted on the vehicle, the controller 300 is always in a normal power supply state through the power management circuit 400, and after the power supply, the common terminal of the dual flash key S1, the first capacitor C1 and the second resistor included in the dual flash key circuit 200 is connected to an interrupt input terminal initialized by the controller 300, the base of the first transistor Q1 and the base of the second transistor Q2 included in the dual flash key circuit 200 are respectively connected to a common output terminal corresponding to the initialization of the controller 300, the common terminal of the fourth resistor R4 and the photodiode D2 included in the sensing circuit 100 is connected to an AD input terminal initialized by the controller 300, the common terminal of the fifth transistor Q5 and the sixth resistor R6 included in the power management circuit 400 is connected to a common input terminal corresponding to the initialization of the controller 300, the power management circuit 400 includes a fourth transistor Q4 having a base connected to a common output terminal corresponding to the controller 300 initialization.
Referring to fig. 3, the present invention further provides a dual flash control method, including:
step S10: when the sensing circuit 100 senses that the outside is the illumination brightness in the daytime, it is determined that the current mode is in the daytime; and when the outside is sensed to be the illumination brightness at night, judging that the mobile terminal is in the night mode at present.
Step S21: when the controller 300 is in the daytime mode and the double flashing key S1 is not pressed, the backlight is turned off, and the power management circuit 400 is controlled to output a high level, so that the hazard lamp 500 is turned off.
Step S22: when the controller 300 is in the daytime mode and the double flashing button S1 is pressed, the background light is set to be in the high brightness mode, and the power management circuit 400 is controlled to output a low level, which triggers the hazard warning light 500 to be in the double flashing mode.
Step S23: when the controller 300 is in the night mode and the double flashing button S1 is not pressed, the backlight is set to the weak bright operation mode, and the power management circuit 400 is controlled to output a high level, so that the hazard lamp 500 is set to the off state.
Step S24: when the controller 300 is in the night mode and the double flashing button S1 is pressed, the background light is set to be in the high brightness mode, and the power management circuit 400 is controlled to output a low level to trigger the hazard lamp 500 to be in the double flashing mode.
In this embodiment, the sensing circuit 100 senses the day or night mode and the dual flashing key S1 is pressed or not pressed, so that the backlight is linked with the ambient light, and the dual flashing light of the vehicle, that is, the hazard warning light 500, is controlled.
In addition, the invention also provides a double-flash control device, which comprises the double-flash control circuit as described in any one of the above items, or the double-flash control device applies the double-flash control method as described above. It will be readily appreciated that the dual flash control device has at least the benefits associated with the above embodiments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A double-flash control circuit is characterized by comprising an induction circuit, a double-flash key circuit, a controller and a power management circuit; wherein,
the power supply management circuit is used for providing working voltage for the controller;
the sensing circuit is used for judging that the mobile terminal is in a daytime mode currently when the outside is sensed to be the illumination brightness of the daytime; when the outside is sensed to be the illumination brightness at night, judging that the mobile terminal is in the night mode at present;
the controller is used for enabling a background lamp of the double-flashing key circuit to be in a closed state when a double-flashing key of the double-flashing key circuit is not pressed in a daytime mode, and controlling the power management circuit to output a high level so that the dangerous alarm lamp is in a closed state; in a daytime mode, when a double-flashing key of the double-flashing key circuit is pressed down, a background lamp of the double-flashing key circuit is in a high-brightness mode, the power supply management circuit is controlled to output a low level, and the dangerous alarm lamp is triggered to be in a double-flashing mode; in the night mode and when the double-flashing key of the double-flashing key circuit is not pressed down, the background lamp of the double-flashing key circuit is in a weak bright working mode, and the power supply management circuit is controlled to output high level, so that the dangerous alarm lamp is in a closed state; in the night mode just when the two keys that dodge of two key circuit that dodge pressed down, make the backlight of two key circuit that dodge is in the mode of highlighting, and control power management circuit output low level triggers the dangerous warning light is in two modes of dodging.
2. The dual flash control circuit of claim 1, wherein the dual flash keying circuit comprises a first transistor, a first resistor, a second transistor, a third transistor, a first power source, a light emitting diode, and a third resistor; wherein,
the base of first triode with the controller is connected, the projecting pole ground connection of first triode, the collecting electrode of first triode with the first end of first resistance is connected, the base of second triode with the controller is connected, the projecting pole ground connection of second triode, the collecting electrode of second triode with the base of third triode is connected, the projecting pole of third triode with first power is connected, the collecting electrode of third triode with emitting diode's positive pole is connected, emitting diode's negative pole with the first end of third resistance reaches the second end of first resistance is connected respectively, the second end ground connection of third resistance.
3. The dual flash control circuit of claim 2, wherein the dual flash key circuit further comprises a first capacitor, a second resistor, a second power source, and the dual flash key; wherein,
the first end of first electric capacity with the controller is connected, the second end ground connection of first electric capacity, the first end of second resistance with the second power is connected, the second end of second resistance with the first end of two keys that dodge is connected, the second end ground connection of two keys that dodge.
4. The dual strobe control circuit of claim 1 wherein the sense circuit comprises a fourth resistor, a third power supply and a photodiode; wherein,
the first end of the fourth resistor is connected with the third power supply, the second end of the fourth resistor is connected with the controller, the second end of the fourth resistor is further connected with the anode of the photosensitive diode, and the cathode of the photosensitive diode is grounded.
5. The dual strobe control circuit of claim 1 wherein the power management circuit comprises a fourth transistor, a fifth resistor, a fourth power supply and a control terminal; wherein,
the base electrode of the fourth triode is connected with the controller, the emitting electrode of the fourth triode is grounded, the collector electrode of the fourth triode is connected with the first end of the fifth resistor and the input end of the control end respectively, and the second end of the fifth resistor is connected with the fourth power supply.
6. The dual strobe control circuit of claim 5 wherein the power management circuit further comprises a fifth transistor, a sixth resistor, a fifth power supply and a power management terminal; wherein,
an emitting electrode of the fifth triode is grounded, a base electrode of the fifth triode is connected with an input end of the power management end, a collector electrode of the fifth triode is respectively connected with the controller and a first end of the sixth resistor, and a second end of the sixth resistor is connected with the fifth power supply.
7. The dual flash control circuit of claim 1, wherein the hazard lamp is configured to be in an off state when the output of the control terminal outputs a high level and in a dual flash mode when the output of the control terminal outputs a low level; wherein, the danger warning light is connected with the output end of the control end.
8. The dual flash control circuit according to any one of claims 1 to 7, wherein the dual flash button circuit is connected to an interrupt input terminal and a corresponding normal output terminal of the controller, the sensing circuit is connected to an AD input terminal of the controller, the power management circuit is connected to a corresponding normal input terminal and a corresponding normal output terminal of the controller, and the power management circuit is connected to the hazard lamp via an output terminal of the control terminal.
9. A dual flash control method, comprising:
when the sensing circuit senses that the outside is the illumination brightness in the daytime, the sensing circuit judges that the sensing circuit is in the daytime mode at present; when the outside is sensed to be the illumination brightness at night, judging that the mobile terminal is in the night mode at present;
when the controller is in a daytime mode and the double-flashing key is not pressed down, the background lamp is in a closed state, and the power supply management circuit is controlled to output a high level, so that the dangerous alarm lamp is in a closed state;
when the controller is in a daytime mode and the double-flashing key is pressed down, the background lamp is in a high-brightness mode, the power supply management circuit is controlled to output low level, and the danger alarm lamp is triggered to be in a double-flashing mode;
when the controller is in a night mode and the double-flashing key is not pressed down, the background lamp is in a weak bright working mode, and the power supply management circuit is controlled to output high level, so that the dangerous alarm lamp is in a closed state;
the controller is in night mode and when the double-flashing key is pressed down, the background lamp is in a high-brightness mode, the power supply management circuit is controlled to output low level, and the danger alarm lamp is triggered to be in a double-flashing mode.
10. A dual flash control device, characterized in that the dual flash control device comprises the dual flash control circuit of any one of claims 1 to 8, or the dual flash control device is applied to the dual flash control method of claim 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493253.1A CN109561553A (en) | 2018-12-07 | 2018-12-07 | Double sudden strain of a muscle control circuits, method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811493253.1A CN109561553A (en) | 2018-12-07 | 2018-12-07 | Double sudden strain of a muscle control circuits, method and device |
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