CN109475023B - Light control device - Google Patents
Light control device Download PDFInfo
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- CN109475023B CN109475023B CN201710807214.3A CN201710807214A CN109475023B CN 109475023 B CN109475023 B CN 109475023B CN 201710807214 A CN201710807214 A CN 201710807214A CN 109475023 B CN109475023 B CN 109475023B
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The invention is suitable for the technical field of light control, and provides a light control device, which comprises: the control module is used for generating a keying command according to the input of a user and sending the keying command to the sending module; the sending module is used for generating a keying signal according to the keying instruction and sending the keying signal to the signal conversion module; the signal conversion module is used for matching a light mode according to the keying signal and sending a PWM control signal to the LED driving module according to the matched light mode; and the LED driving module is used for controlling the LED lamp bank to carry out light conversion according to the PWM control signal. The LED lamp bank is controlled to change the light brightness, the distance and the like according to the operation of the light mode input by the user, the structure is simple, the operation is convenient, the intellectualization and the humanization of the adjustment of various light modes for the light supplement of night camera shooting are realized, and the user experience is high.
Description
Technical Field
The invention belongs to the technical field of light control, and particularly relates to a light control device.
Background
At present, road traffic monitoring systems are widely applied, and cameras for irradiating panoramic images and license plate photos of violation vehicles, namely electronic police systems, are installed at traffic intersections of many cities. The electronic police system can acquire relevant vehicle information such as license plate numbers of the vehicles violating the regulations through the panoramic image and the license plate photos irradiated by the camera, so that the purposes of monitoring vehicle running and managing road traffic in real time are achieved. When night, the monitoring and irradiation effects can be influenced by the fact that the ambient light intensity around the electronic police is low, in order to achieve the good irradiation effect and obtain clear information such as license plate photos, the problem that the ambient light intensity is not enough is solved by adopting a light supplement lamp.
However, the synchronous Light supplement mode of a single LED (Light Emitting Diode) lamp widely used in the market at present is difficult to satisfy the irradiation of different environments, and the Light supplement performance is single. For example, the common light control technology only has a switch, and only can realize the on-off of light, has no targeted adjustment to specific application scenes, cannot adjust the light and shade change when compensating light for a long-distance scene and a short-distance scene, cannot finely adjust the light compensation for details from the irradiation distance and the irradiation width, and the like, so that the night camera shooting is not intelligent and humanized enough.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a light control device to solve the problem in the prior art that the specific application scene cannot be adjusted for the light supplement during night shooting.
Light control device includes: the LED driving device comprises a control module, a sending module, a signal conversion module and an LED driving module;
the control module is used for generating a keying command according to user input and sending the keying command to the sending module;
the sending module is used for generating a keying signal according to the keying instruction and sending the keying signal to the signal conversion module;
the signal conversion module is used for matching a light mode according to the keying signal and sending a PWM (Pulse Width Modulation) control signal to the LED driving module according to the matched light mode;
and the LED driving module is used for controlling the LED lamp bank to carry out light conversion according to the PWM control signal.
Optionally, the light mode includes: an automatic light mode, a man-made light mode, a license plate light mode and an infrared light mode;
the automatic light mode specifically comprises the following steps: the LED lamp group performs light conversion according to the irradiation target distance;
the artificial light mode specifically comprises the following steps: the LED lamp group performs light conversion according to manual control;
the license plate light mode specifically comprises the following steps: the LED lamp group performs light conversion according to the reflective irradiation target;
the infrared lamp light mode specifically comprises the following steps: the LED lamp set automatically turns on infrared light.
Optionally, the control module includes:
the automatic control mode key is used for controlling the LED lamp group to carry out light conversion in the automatic light mode;
the artificial control mode key is used for controlling the LED lamp group to carry out lamp light conversion in an artificial lamp light mode;
and the license plate infrared control mode key is used for controlling the LED lamp group to carry out light conversion between the license plate light mode and the infrared light mode.
Optionally, the sending module includes: and the STM32F103 chip is used for generating a keying signal according to the keying instruction.
Optionally, the signal conversion module includes: and the MCU (Micro-Controller Unit) processor is used for matching a light mode according to the keying signal and sending the PWM control signal to the LED driving module according to the matched light mode.
Optionally, the MCU processor is connected to the STM32F103 chip via an RS485 bus.
Optionally, the LED lamp set includes: a spotlight LED lamp, a floodlight LED lamp and an infrared LED lamp;
the LED driving module is specifically used for: and controlling the spotlight LED lamp, the floodlight LED lamp and the infrared LED lamp to carry out light conversion according to the PWM control signal.
Optionally, the LED lamp set specifically includes:
the light-on and light-off of the light-gathering LED lamp are changed, and the light brightness of the light-gathering LED lamp is changed;
the floodlight LED lamp is subjected to on-off conversion and lamplight brightness conversion;
and the on and off of the infrared LED lamp are changed.
Optionally, the LED driving module includes: the LED lamp comprises a spotlight LED lamp driver connected with the spotlight LED lamp, a floodlight LED lamp driver connected with the floodlight LED lamp and an infrared LED lamp driver connected with the infrared LED lamp;
the LED driving module is specifically used for: the spotlight LED lamp is controlled by the spotlight LED lamp driver, the floodlight LED lamp is controlled by the floodlight LED lamp driver, and the infrared LED lamp is controlled by the infrared LED lamp driver.
Optionally, the PWM control signal includes: spotlight PWM control signal, floodlight PWM control signal and infrared PWM control signal;
the LED driving module is specifically used for: and controlling the spotlight LED lamp through the spotlight LED lamp driver according to the spotlight PWM control signal, controlling the floodlight LED lamp through the floodlight LED lamp driver according to the floodlight PWM control signal, and controlling the infrared LED lamp through the infrared LED lamp driver according to the infrared PWM control signal.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: the control module generates a keying instruction according to user input and sends the keying instruction to the sending module; the sending module generates a keying signal according to the keying instruction and sends the keying signal to the signal conversion module; the signal conversion module matches a light mode according to the keying signal and sends a PWM control signal to the LED driving module according to the matched light mode; the LED drive module is according to PWM control signal control LED banks carries out the light transform, carries out changes such as light brightness, distance according to user input light mode operation control LED banks promptly, and simple structure, the operation of being convenient for has realized making a video recording the intellectuality and the hommization of multiple light mode regulation of light filling night, makes the user experience degree high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a light control device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another light control device provided in the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a control module according to an embodiment of the present invention;
fig. 4 is a schematic view of a work flow of the light control device according to the embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Referring to fig. 1, the lighting control device provided in this embodiment includes a control module 100, a sending module 200, a signal conversion module 300, and an LED driving module 400.
The control module 100 is configured to generate a keying instruction according to a user input, and send the keying instruction to the sending module 200.
And the sending module 200 is configured to generate a keying signal according to the keying instruction, and send the keying signal to the signal conversion module 300.
And a signal conversion module 300 for matching the light pattern according to the key signal and transmitting a PWM control signal to the LED driving module 400 according to the matched light pattern.
And the LED driving module 400 is used for controlling the LED lamp bank to carry out light conversion according to the PWM control signal.
In the above-mentioned light control apparatus, the control module 100 generates a keying command according to the user input and sends the keying command to the sending module 200; the sending module 200 generates a keying signal according to the keying command and sends the keying signal to the signal conversion module 300; the signal conversion module 300 matches the light mode according to the key control signal, and sends a PWM control signal to the LED driving module 400 according to the matched light mode; LED drive module 400 basis PWM control signal control LED banks carries out the light transform, carries out changes such as light brightness, distance according to user input light mode operation control LED banks promptly, and simple structure, the operation of being convenient for has realized making a video recording the intellectuality and the hommization of multiple light mode regulation of light filling night, makes the user experience degree high.
Optionally, the light mode includes: the automatic lighting mode, the man-made lighting mode, the license plate lighting mode and the infrared lighting mode.
The automatic light mode specifically comprises the following steps: and the LED lamp group performs light conversion according to the irradiation target distance.
The artificial light mode specifically comprises the following steps: and the LED lamp group performs light conversion according to manual control.
The license plate light mode specifically comprises the following steps: and the LED lamp group performs light conversion according to the reflective irradiation target.
The infrared lamp light mode specifically comprises the following steps: the LED lamp set automatically turns on infrared light.
Further, referring to fig. 2 and fig. 3, as a specific implementation manner, the control module 100 is connected to the sending module 200, and generates the keying instruction according to the user input and sends the keying instruction to the sending module 200. The keying instructions may include: an automatic light mode keying instruction, a man-made light mode keying instruction, a license plate light mode keying instruction and an infrared light mode keying instruction.
Optionally, the control module 100 may include: the automatic control mode button, the manual control mode button and the license plate infrared control mode button.
And the automatic control mode key is used for controlling the LED lamp group to carry out light conversion in the automatic light mode, namely controlling the LED lamp group to carry out light conversion according to the target distance.
Referring to fig. 2, in one embodiment, the LED lamp set includes: spotlight LED lamp, floodlight LED lamp and infrared LED lamp. LED banks carries out light transform and specifically includes:
and the on-off conversion and the light brightness conversion of the spotlight LED lamp are carried out.
And the floodlight LED lamp is subjected to on-off conversion and lamplight brightness conversion.
And the on and off of the infrared LED lamp are changed.
Illustratively, when the irradiation target is far away at night, the target is relatively small, the definition is not enough, the user triggers the automatic control mode button, the LED lamp group performs light conversion, namely the spotlight LED lamp and the floodlight LED lamp are on, the light brightness of the spotlight LED lamp and the light brightness of the floodlight LED lamp are increased according to the lighting lens multiple light brightness adjusted by the user, and the LED lamp group can clearly irradiate the irradiation target. And when the user triggers the automatic control mode key again, the spotlight LED lamp and the floodlight LED lamp are turned off.
When the irradiation target distance is relatively close, the light brightness of the LED lamp group is too strong, the irradiated target image is overexposed, the target part area is fuzzy, the user triggers the automatic control mode button, the spotlight LED lamp and the floodlight LED lamp are on, and the light brightness of the spotlight LED lamp and the light brightness of the floodlight LED lamp are weakened according to the lighting lens multiple adjusted by the user. And when the user triggers the automatic control mode key again, the spotlight LED lamp and the floodlight LED lamp are turned off.
The manual control mode key is used for controlling the LED lamp bank to carry out the light conversion in the manual light mode, namely the LED lamp bank carries out the light conversion according to manual control.
The artificial control means that after a user triggers the artificial control mode key to enter an artificial light mode according to an irradiation target, the user can manually operate the LED lamp bank to change light according to own requirements, and adjust the irradiation distance, the irradiation width and the like of the LED lamp bank, namely when the LED lamp bank enters the artificial light mode, the spotlight LED lamp and the floodlight LED lamp are on, and the light brightness of the spotlight LED lamp and the floodlight LED lamp is changed according to the manual control module 100 of the user. And when the user triggers the manual control mode key again, the spotlight LED lamp and the floodlight LED lamp are turned off.
And the license plate infrared control mode key is used for controlling the LED lamp set to respectively carry out light conversion of the license plate light mode and the infrared light mode. And the license plate infrared control mode key judges and starts the license plate light mode or the infrared light mode according to the triggering time of a user.
Preferably, when the time for triggering the license plate infrared control mode key by the user is at least 2 seconds, the LED lamp group enters the license plate light mode, the LED lamp group performs light conversion according to a reflective irradiation target, namely the spotlight LED lamp and the floodlight LED lamp are lighted, and the light brightness of the spotlight LED lamp and the floodlight LED lamp is converted according to the zoom factor of the irradiation lens adjusted by the user. And the light brightness of the spotlight LED lamp and the floodlight LED lamp in the license plate light mode is weaker than that of the spotlight LED lamp and the floodlight LED lamp in the automatic light mode. And when the user triggers the license plate infrared control mode key again, the spotlight LED lamp and the floodlight LED lamp are turned off.
Optionally, when the time for triggering the license plate infrared control mode key by the user is less than 2 seconds, the LED lamp set enters the infrared lamp light mode, that is, the infrared LED lamp is automatically turned on, and the light brightness of the infrared LED lamp is 100%. Preferably, the infrared light mode is suitable for supplementing light to an irradiation target when hidden irradiation is needed during night public security law enforcement. And when the user triggers the license plate infrared control mode key again, the infrared LED lamp is turned off.
Illustratively, when the automobile license plate is irradiated and recorded at night, the automobile license plate can reflect light, the irradiation target is also very small, the definition of the irradiated license plate can be influenced when the illumination of the LED lamp bank is too strong or too weak, then when a user triggers the license plate infrared control mode key, the license plate infrared control mode key is started when the time of the license plate infrared control mode key is 2 seconds, the LED lamp bank enters the license plate light mode, namely, the spotlight LED lamp and the floodlight LED lamp are lighted, and the light brightness of the spotlight LED lamp and the floodlight LED lamp is changed along with the zoom factor of the irradiation lens adjusted by the user. And when the user triggers the license plate infrared control mode key again, the spotlight LED lamp and the floodlight LED lamp are turned off.
When night public security law enforcement needs to conceal irradiation and needs invisible light to irradiate a target, the license plate infrared control mode key is started when the time for triggering the license plate infrared control mode key by a user is less than 2 seconds, and the infrared LED lamp is on. And when the user triggers the license plate infrared control mode key again, the infrared LED lamp is turned off.
Referring to fig. 3, in one embodiment, the control module 100 may further include an on button and an off button of the above-mentioned device for activating and deactivating the light control device of the embodiment. After the light control device is started, a user can select the automatic light mode, the artificial light mode, the license plate light mode or the infrared light mode according to an irradiation target.
Optionally, the control module 100 may further include a spotlight "+" control button, a spotlight "-" control button, and a spotlight on/off button.
The spotlight "+" control button and the spotlight "-" control button are used for adjusting the light brightness of the spotlight LED lamp when the device is in the artificial light mode, namely, a user can manually adjust the light brightness of the spotlight LED lamp according to triggering of the spotlight "+" control button and the spotlight "-" control button, the light brightness of the spotlight LED lamp can be increased, the light brightness of the spotlight LED lamp can be weakened, and the spotlight "+" control button and the spotlight "-" control button enable the light brightness change range of the spotlight LED lamp to be 10% -100%.
The spotlight on/off button is used for turning on the spotlight LED lamp when a user selects a light mode according to an irradiation target after the device is started, triggering the spotlight on/off button by the user, turning off the spotlight LED lamp, triggering the spotlight on/off button again by the user, turning on the spotlight LED lamp, namely triggering the spotlight on/off button after the user selects a light mode, and circularly switching on/off the spotlight LED lamp.
For example, in a license plate lighting mode, the spotlight LED lamp and the floodlight LED lamp are on, but since a clear license plate can be shot by a street lamp or other lights in the environment, the spotlight LED lamp is not needed, and the user can trigger the spotlight on/off button to turn off the spotlight LED lamp.
For example, in an automatic lighting mode or a manual lighting mode, the spotlight LED lamp and the floodlight LED lamp are on, and the spotlight LED lamp is not needed according to an illumination environment, the user may trigger the spotlight on/off button to turn off the spotlight LED lamp.
Optionally, the control module 100 may further include a floodlight "+" control button, a floodlight "-" control button, and a floodlight on/off button.
The floodlight "+" control key and the floodlight "-" control key are used for triggering the floodlight "+" control key and the floodlight "-" control key according to an irradiation target to manually adjust the light brightness of the floodlight LED lamp when the device is in the artificial light mode, namely, the light brightness of the floodlight LED lamp is increased or weakened, and the floodlight "+" control key and the floodlight "-" control key enable the light brightness change range of the floodlight LED lamp to be 10% -100%.
The floodlight on/off button is used for selecting a light mode according to an irradiation target by a user after the device is started, the floodlight LED lamp is on, the user triggers the floodlight on/off button, the floodlight LED lamp is off, the user triggers the floodlight on/off button again, the floodlight LED lamp is on, namely after the user selects a light mode, the floodlight on/off button is triggered to circularly switch the on/off of the floodlight LED lamp.
For example, in a license plate lighting mode, the spot light LED lamp and the flood light LED lamp are on, but since a clear license plate can be shot by a street lamp or other lights in the environment, the flood light LED lamp is not needed, and the user can trigger the flood on/off button to turn off the spot light LED lamp.
For example, in an automatic light mode or a man-made light mode, the spotlight LED lamp and the floodlight LED lamp are on, and the floodlight LED lamp is not needed according to the irradiation environment, the user can trigger the floodlight on/off button to turn off the floodlight LED lamp.
Optionally, the control module 100 may further include a switch control key, a focus/aperture "+" control key, and a focus/aperture "-" control key.
The switching control key is used for switching the light mode. Illustratively, when the device is in the artificial light mode, the user triggers the switching control key and then triggers the automatic control mode key, so that the device is switched from the artificial light mode to the automatic light mode. The device can be switched among the automatic light mode, the artificial light mode, the license plate light mode and the infrared light mode at will.
The focus/aperture "+" control button and the focus/aperture "-" control button are used for adjusting the zoom factor of the device irradiation lens. For example, when the device is in a license plate light mode or an automatic light mode, the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is unchanged, and the light brightness of the spotlight LED lamp and the floodlight LED lamp can be adjusted by triggering the focus/aperture "+" control key and the focus/aperture "-" control key when a target is irradiated.
Further, referring to fig. 2, in one embodiment, the sending module 200 is connected to the signal converting module 300, and includes: and the STM32F103 chip is used for generating a keying signal according to the keying instruction.
Specifically, the key command includes: an automatic light mode keying instruction, a man-made light mode keying instruction, a license plate light mode keying instruction and an infrared light mode keying instruction.
The STM32F103 chip is specifically used for: control module 100 triggers automatic control mode button according to the user and generates automatic light mode keying instruction, and will automatic light mode keying instruction sends STM32F103 chip, STM32F103 chip basis automatic light mode keying instruction generates automatic light mode keying signal, and will automatic light mode keying signal sends for signal conversion module 300.
The control module 100 generates the infrared light mode keying instruction when the license plate infrared control mode key pressing time is less than 2 seconds according to the triggering of a user, and sends the infrared light mode keying instruction to the STM32F103 chip, and the STM32F103 chip generates an infrared light mode keying signal according to the infrared light mode keying instruction, and sends the infrared light mode keying signal to the signal conversion module 300.
In other embodiments, the sending module 200 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Further, in one embodiment, the signal conversion module 300 is connected to the LED driving module, and includes: and the MCU processor is used for matching a light mode according to the keying signal and sending the PWM control signal to the LED driving module 400 according to the matched light mode.
And the MCU processor is connected with the STM32F103 chip through an RS485 bus.
Specifically, the PWM control signal may include: spotlight PWM control signal, floodlight PWM control signal and infrared PWM control signal.
The MCU processor is specifically configured to: the transmitting module 200 transmits the automatic light mode key control signal to the signal conversion module 300, and the MCU processor matches the automatic light mode according to the automatic light mode key control signal and transmits a spotlight PWM control signal and a floodlight PWM control signal of the automatic light mode to the LED driving module 400 according to the matched automatic light mode.
The sending module 200 sends the artificial light mode key control signal to the signal conversion module 300, the MCU processor matches the artificial light mode according to the artificial light mode key control signal, and sends a spotlight PWM control signal and a floodlight PWM control signal of the artificial light mode to the LED driving module 400 according to the matched artificial light mode.
The sending module 200 sends the license plate light mode key control signal to the signal conversion module 300, and the MCU processor matches the license plate light mode according to the license plate light mode key control signal and sends a spotlight PWM control signal and a floodlight PWM control signal of the license plate light mode to the LED driving module 400 according to the matched license plate light mode.
The transmitting module 200 transmits the infrared lamp light mode keying signal to the signal conversion module 300, and the MCU processor matches the infrared lamp light mode according to the infrared lamp light mode keying signal and transmits an infrared PWM control signal of the infrared lamp light mode to the LED driving module 400 according to the matched infrared lamp light mode.
In other embodiments, the Signal conversion module 300 may be other electronic devices capable of implementing corresponding functions, such as a Central Processing Unit (CPU), other general purpose processors, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and so on.
Further, in an embodiment, the LED driving module 400 is configured to control the LED lamp set to perform light conversion according to the PWM control signal.
Specifically, the LED driving module 400 controls the spotlight LED lamp according to the spotlight PWM control signal, controls the floodlight LED lamp according to the floodlight PWM control signal, and controls the infrared LED lamp according to the infrared PWM control signal.
Further, referring to fig. 2, the LED driving module 400 includes: the LED lamp driving device comprises a spotlight LED lamp driver connected with the spotlight LED lamp, a floodlight LED lamp driver connected with the floodlight LED lamp and an infrared LED lamp driver connected with the infrared LED lamp.
The LED driving module 400 is specifically configured to: and receiving the spotlight PWM control signal and the floodlight PWM control signal of the automatic lighting mode sent by the signal conversion module 300, controlling the spotlight LED lamp through the spotlight LED lamp driver according to the spotlight PWM control signal of the automatic lighting mode, and controlling the floodlight LED lamp through the floodlight LED lamp driver according to the floodlight PWM control signal of the automatic lighting mode.
And receiving the spotlight PWM control signal and the floodlight PWM control signal in the artificial light mode sent by the signal conversion module 300, controlling the spotlight LED lamp through the spotlight LED lamp driver according to the spotlight PWM control signal in the artificial light mode, and controlling the floodlight LED lamp through the floodlight LED lamp driver according to the floodlight PWM control signal in the artificial light mode.
And receiving the spotlight PWM control signal and the floodlight PWM control signal of the license plate light mode sent by the signal conversion module 300, controlling the spotlight LED lamp through the spotlight LED lamp driver according to the spotlight PWM control signal of the license plate light mode, and controlling the floodlight LED lamp through the floodlight LED lamp driver according to the floodlight PWM control signal of the license plate light mode.
Receiving the infrared PWM control signal of the infrared light mode sent by the signal conversion module 300, and controlling the infrared LED lamp through the infrared LED lamp driver according to the infrared PWM control signal of the infrared light mode.
Referring to fig. 4, a schematic workflow diagram of an embodiment of the light control device is provided, corresponding to the light control device described above, and detailed as follows:
in step S401, the control module 100 generates a keying command according to the user input, and sends the keying command to the sending module 200.
Specifically, the method comprises the following steps. The control module 100 generates the automatic light mode keying command according to the user triggering the automatic control mode key, and sends the automatic light mode keying command to the sending module 200.
Optionally, the control module 100 generates the artificial light mode keying instruction according to that the user triggers the artificial control mode key, and sends the artificial light mode keying instruction to the sending module 200.
Optionally, the control module 100 generates the license plate light mode keying command when the license plate infrared control mode key triggered by the user is at least 2 seconds, and sends the license plate light mode keying command to the sending module 200.
Optionally, the control module 100 generates the infrared light mode keying instruction when the license plate infrared control mode key is triggered by the user for less than 2 seconds, and sends the infrared light mode keying instruction to the sending module 200.
In step S402, the sending module 200 generates a keying signal according to the keying command, and sends the keying signal to the signal converting module 300.
Specifically, the sending module 200 generates an automatic light mode keying signal according to the automatic light mode keying command, and sends the automatic light mode keying signal to the signal conversion module 300.
Optionally, the sending module 200 generates an artificial light mode keying signal according to the artificial light mode keying instruction, and sends the artificial light mode keying signal to the signal conversion module 300.
Optionally, the sending module 200 generates a license plate light mode keying signal according to the license plate light mode keying instruction, and sends the license plate light mode keying signal to the signal conversion module 300.
Optionally, the sending module 200 generates an infrared light mode keying signal according to the infrared light mode keying instruction, and sends the infrared light mode keying signal to the signal conversion module 300.
In step S403, the signal conversion module 300 matches the light pattern according to the key signal, and sends a PWM control signal to the LED driving module 400 according to the matched light pattern.
Specifically, the signal conversion module 300 matches the automatic lighting mode according to the automatic lighting mode keying signal, and sends a spotlight PWM control signal and a floodlight PWM control signal of the automatic lighting mode to the LED driving module 400 according to the matched automatic lighting mode.
Optionally, the signal conversion module 300 matches the artificial light mode according to the artificial light mode key control signal, and sends a spotlight PWM control signal and a floodlight PWM control signal of the artificial light mode to the LED driving module 400 according to the matched artificial light mode.
Optionally, the signal conversion module 300 matches the license plate light mode according to the license plate light mode key signal, and sends a spotlight PWM control signal and a floodlight PWM control signal of the license plate light mode to the LED driving module 400 according to the matched license plate light mode.
Optionally, the signal conversion module 300 matches the infrared light mode according to the infrared light mode keying signal, and sends an infrared PWM control signal of the infrared light mode to the LED driving module 400 according to the matched infrared light mode.
And step 404, the LED driving module 400 controls the LED lamp set to perform light conversion according to the PWM control signal.
Specifically, the LED driving module 400 controls the spot light LED lamp through the spot light LED lamp driver according to the spot light PWM control signal of the automatic light mode, controls the flood light LED lamp through the flood light LED lamp driver according to the flood light PWM control signal of the automatic light mode, and the light control device enters the automatic light mode.
Optionally, the LED driving module 400 controls the spotlight LED lamp through the spotlight LED lamp driver according to the spotlight PWM control signal of the artificial lighting mode, controls the floodlight LED lamp through the floodlight LED lamp driver according to the floodlight PWM control signal of the artificial lighting mode, and the lighting control apparatus enters the artificial lighting mode.
Optionally, the LED driving module 400 controls the spot light LED lamp through the spot light LED lamp driver according to the spot light PWM control signal of the license plate light mode, controls the flood LED lamp through the flood LED lamp driver according to the flood PWM control signal of the license plate light mode, and the light control device enters the license plate light mode.
Optionally, the LED driving module 400 controls the infrared LED lamp through the infrared LED lamp driver according to the infrared PWM control signal of the infrared lamp light mode, and the light control device enters the infrared lamp light mode.
For example, after the light control device enters the automatic light mode, the spotlight LED lamp and the floodlight LED lamp are turned on, and initial light brightness of the spotlight LED lamp and the floodlight LED lamp is not changed. And controlling the brightness of the spotlight LED lamp and the brightness of the floodlight LED lamp by triggering the spotlight on/off button and controlling the on/off of the floodlight LED lamp by triggering the floodlight on/off button when the user controls the zoom ratio of the illuminating lens, namely triggering the focus/aperture "+" control button and the focus/aperture "-" control button by the user to control the brightness change of the spotlight LED lamp and the floodlight LED lamp. When the user triggers the automatic control mode button again, all lights are turned off.
When the user triggers the automatic control mode key again, the device enters an automatic light mode, the spotlight LED lamp and the floodlight LED lamp are on, and the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the original initial light brightness of the spotlight LED lamp and the floodlight LED lamp in the automatic light mode.
For example, when the light control device is started, all lights are not lighted. And after entering the artificial light mode, the spotlight LED lamp and the floodlight LED lamp are lighted, and the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the initial light brightness of the spotlight LED lamp and the floodlight LED lamp in the automatic light mode and does not change along with the change of the zoom factor of the irradiation lens. The light brightness conversion of the spotlight LED lamp can be realized by triggering the spotlight "+" control key and the spotlight "-" control key by a user, and the user can control the on-off of the spotlight LED lamp by triggering the spotlight on/off key in the artificial light mode. The light brightness change of the floodlight LED lamp can be realized by triggering the floodlight "+" control key and the floodlight "-" control key by a user, and in the artificial light mode, the user can control the on-off of the floodlight LED lamp by triggering the floodlight on/off key. When the user triggers the manual control mode key again, all lights are turned off.
When the user triggers the manual control mode key again, the device enters a manual lighting mode, the spotlight LED lamp and the floodlight LED lamp are on, and the initial lighting brightness of the spotlight LED lamp and the floodlight LED lamp is the lighting brightness of the spotlight LED lamp and the floodlight LED lamp before the manual lighting mode is closed.
For example, after the light control device enters a license plate light mode, the spotlight LED lamp and the floodlight LED lamp are turned on, and initial light brightness of the spotlight LED lamp and the floodlight LED lamp is unchanged. And controlling the brightness of the spotlight LED lamp and the brightness of the floodlight LED lamp by triggering the spotlight on/off button and controlling the floodlight LED lamp to be on or off by triggering the floodlight on/off button when the number plate light mode is in the illuminating lens zoom factor controlled by the user, namely triggering the focus/aperture "+" control button and the focus/aperture "-" control button by the user. The light brightness of the spotlight LED lamp and the floodlight LED lamp in the license plate light mode is weaker than that of the spotlight LED lamp and the floodlight LED lamp in the automatic light mode. And when the user triggers the license plate infrared control mode key again, all lights are turned off.
When the user triggers the license plate infrared control mode key again, the spotlight LED lamp and the floodlight LED lamp are on, and the initial lamplight brightness of the spotlight LED lamp and the floodlight LED lamp is the original initial lamplight brightness of the spotlight LED lamp and the floodlight LED lamp in the license plate lamplight mode.
For example, after the light control device enters the infrared light mode, the infrared LED lamp is turned on, the light brightness of the infrared LED lamp is 100%, and the light brightness of the infrared LED lamp does not change along with the change of the zoom factor of the irradiation lens. And when the user triggers the license plate infrared control mode key again, all lights are turned off.
For example, when the artificial light mode is switched to the automatic light mode, the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the initial light brightness of the spotlight LED lamp and the floodlight LED lamp in the automatic light mode.
Preferably, when the artificial light mode is switched to the license plate light mode, the initial light brightness of the spotlight LED lamp and the initial light brightness of the floodlight LED lamp are the initial light brightness of the spotlight LED lamp and the initial light brightness of the floodlight LED lamp in the license plate light mode.
And when the automatic light mode is switched to the artificial light mode, the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the light brightness of the spotlight LED lamp and the floodlight LED lamp in the automatic light mode before switching.
When the license plate light mode is switched to the artificial light mode, the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the light brightness of the spotlight LED lamp and the floodlight LED lamp in the license plate light mode before switching.
When the automatic light mode is switched to the license plate light mode, the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the initial light brightness of the spotlight LED lamp and the floodlight LED lamp in the license plate light mode.
When the infrared lamp light mode is switched to the license plate light mode, the infrared LED lamp is turned off, the spotlight LED lamp and the floodlight LED lamp are turned on, and the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the initial light brightness of the spotlight LED lamp and the floodlight LED lamp in the license plate light mode.
When the infrared lamp light mode is switched to the automatic light mode, the infrared LED lamp is turned off, the spotlight LED lamp and the floodlight LED lamp are turned on, and the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the initial light brightness of the spotlight LED lamp and the floodlight LED lamp in the automatic light mode.
When the infrared lamp light mode is switched to the artificial light mode, the infrared LED lamp is turned off, the spotlight LED lamp and the floodlight LED lamp are turned on, and the initial light brightness of the spotlight LED lamp and the floodlight LED lamp is the initial light brightness of the spotlight LED lamp and the floodlight LED lamp in the automatic light mode.
When the automatic light mode, the artificial light mode and the license plate light mode are switched to the infrared light mode, the spotlight LED lamp and the floodlight LED lamp are completely turned off, the infrared LED lamp is turned on, the light brightness of the infrared LED lamp is 100%, and the light brightness of the infrared LED lamp does not change along with the change of the zoom multiple of the irradiation lens.
In the above-mentioned light control apparatus, the control module 100 generates a keying command according to the user input, and sends the keying command to the sending module 200; the sending module 200 generates a keying signal according to the keying command and sends the keying signal to the signal conversion module 300; the signal conversion module 300 matches the light mode according to the key control signal, and sends a PWM control signal to the LED driving module 400 according to the matched light mode; the LED driving module 400 controls the LED lamp bank to perform light transformation according to the PWM control signal, namely, the method controls the LED lamp bank to perform changes such as light brightness, distance and the like according to the operation of the user input light mode.
It should be understood by those skilled in the art that the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing functional units and models are merely illustrated as being divided, and in practical applications, the foregoing functional allocations may be performed by different functional units and modules as needed, that is, the internal structure of the device may be divided into different functional units or modules to perform all or part of the above described functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. A light control device, comprising: the LED driving device comprises a control module, a sending module, a signal conversion module and an LED driving module;
the control module is used for generating a keying command according to user input and sending the keying command to the sending module;
the sending module is used for generating a keying signal according to the keying instruction and sending the keying signal to the signal conversion module;
the signal conversion module is used for matching a light mode according to the keying signal and sending a PWM control signal to the LED driving module according to the matched light mode;
the LED driving module is used for controlling the LED lamp bank to carry out light conversion according to the PWM control signal;
the LED lamp group comprises: a spotlight LED lamp, a floodlight LED lamp and an infrared LED lamp;
the LED driving module is specifically used for: controlling the spotlight LED lamp, the floodlight LED lamp and the infrared LED lamp to carry out light conversion according to the PWM control signal;
LED banks carries out light transform and specifically includes:
the light-on and light-off of the light-gathering LED lamp are changed, and the light brightness of the light-gathering LED lamp is changed;
the floodlight LED lamp is subjected to on-off conversion and lamplight brightness conversion;
the on-off conversion of the infrared LED lamp is carried out;
and the lamplight brightness of the spotlight LED lamp and the lamplight brightness of the floodlight LED lamp are converted according to the zoom factor of the irradiation lens.
2. The light control device of claim 1, wherein the light pattern comprises: an automatic light mode, a man-made light mode, a license plate light mode and an infrared light mode;
the automatic light mode specifically comprises the following steps: the LED lamp group performs light conversion according to the irradiation target distance;
the artificial light mode specifically comprises the following steps: the LED lamp group performs light conversion according to manual control;
the license plate light mode specifically comprises the following steps: the LED lamp group performs light conversion according to the reflective irradiation target;
the infrared lamp light mode specifically comprises the following steps: the LED lamp set automatically turns on infrared light.
3. The light control device of claim 2, wherein the control module comprises:
the automatic control mode key is used for controlling the LED lamp group to carry out light conversion in the automatic light mode;
the artificial control mode key is used for controlling the LED lamp group to carry out lamp light conversion in an artificial lamp light mode;
and the license plate infrared control mode key is used for controlling the LED lamp group to carry out light conversion between the license plate light mode and the infrared light mode.
4. The light control device of claim 1, wherein the transmitting module comprises: and the STM32F103 chip is used for generating a keying signal according to the keying instruction.
5. The light control device of claim 4, wherein the signal conversion module comprises: and the MCU processor is used for matching a light mode according to the keying signal and sending the PWM control signal to the LED driving module according to the matched light mode.
6. The light control device of claim 5, wherein the MCU processor is connected with the STM32F103 chip through an RS485 bus.
7. The light control device of claim 1, wherein the LED driving module comprises: the LED lamp comprises a spotlight LED lamp driver connected with the spotlight LED lamp, a floodlight LED lamp driver connected with the floodlight LED lamp and an infrared LED lamp driver connected with the infrared LED lamp;
the LED driving module is specifically used for: the spotlight LED lamp is controlled by the spotlight LED lamp driver, the floodlight LED lamp is controlled by the floodlight LED lamp driver, and the infrared LED lamp is controlled by the infrared LED lamp driver.
8. The light control device of claim 7, wherein the PWM control signal comprises: spotlight PWM control signal, floodlight PWM control signal and infrared PWM control signal;
the LED driving module is specifically used for: and controlling the spotlight LED lamp through the spotlight LED lamp driver according to the spotlight PWM control signal, controlling the floodlight LED lamp through the floodlight LED lamp driver according to the floodlight PWM control signal, and controlling the infrared LED lamp through the infrared LED lamp driver according to the infrared PWM control signal.
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| CN110267388B (en) * | 2019-05-16 | 2022-05-13 | 深圳市海洋王石油照明技术有限公司 | High-power intrinsic safety device and explosion-proof lamp |
| CN110602831B (en) * | 2019-09-30 | 2022-05-10 | 深圳市海洋王照明工程有限公司 | Single-bus half-duplex two-way communication LED driving device and LED lighting lamp |
| CN113260120B (en) * | 2021-06-01 | 2024-04-09 | 惠州市深科信飞科技有限公司 | Vehicle-mounted loudspeaker box light control method, system, storage medium and computer equipment |
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