40 results about "Brightness induction" patented technology

The invention discloses a classroom light management system. An outdoor brightness induction apparatus acquires outdoor brightness information, an indoor brightness acquisition apparatus acquires indoor brightness information, an infrared camera device shoots indoor images, a data processing apparatus compares the outdoor brightness information with the indoor brightness information, when the outdoor brightness information is higher than the indoor brightness information and infrared images exist in the images transmitted by the camera device, an illumination switch control apparatus is controlled to start illumination, and when the infrared images do not exist, the illumination is not started. According to the invention, when the outdoor brightness information is lower than the indoor brightness information and the infrared images do not exist, the illumination switch control apparatus is controlled to cut off the illumination, when the infrared images exist, the data processing apparatus does not control the illumination switch control apparatus to cut off the illumination, and the illumination switch control apparatus controls the illumination to be started and cut off. The classroom light management system is simple to operate, high in operation stability, high in determination accuracy and quite high in practicality.

The invention discloses an intelligent indoor lamp control system and method. A time control module is used for setting and controlling starting time and closing time of a central controller, an indoor brightness sensing device is used for sending acquired indoor brightness information to the central controller, an outdoor brightness sensing device is used for sending acquired outdoor brightness information to the central controller, an infrared shooting device is used for shooting an image in the indoors and judging whether an infrared image exists or not, the central controller is used for comparing the received indoor brightness information with the outdoor brightness information, generating a corresponding starting or closing instruction by combining the condition that whether the infrared image exists in the image shot by the infrared shooting device or not and sending the instruction to a switch control device, and the switch control device is used for executing corresponding starting and closing operation. The abovementioned system is simple in structure, stable in running and high in judgment accuracy, automatic control of indoor lamp light is achieved, and the system and method has high practicability.

The invention provides an optical pulse sensor of an intelligent water meter. The optical pulse sensor comprises a sensor shell body, a MCU (Microprogrammed Control Unit), a circuit board, a light-emitting diode, optical environment brightness induction elements, light guide columns and a current-limiting resistance unit, wherein the MCU and the circuit board are arranged in the sensor shell body;the MCU is fixed on the circuit board; the MCU is connected with the light-emitting diode through the current-limiting resistance unit; the light-emitting diode is connected with the MCU; the opticalenvironment brightness induction elements are connected with the MCU; the optical environment brightness induction elements are arranged at the bottom of the circuit board at interval; the light guide columns are fixedly arranged on the lower surfaces of the optical environment brightness induction elements; the light-emitting diode is obliquely arranged at the bottom of the circuit board; lightspots, which are irradiated to an index dial by the light-emitting diode, are located just below the two light guide columns. The optical pulse sensor of the intelligent water meter, provided by the invention, has the advantages that the power consumption of the operation of a whole body can be extremely reduced so that the requirements on lower power consumption of the intelligent water meter when a battery is used for supplying power can be met very well.

The invention discloses an intelligent PFC constant-current drive power circuit and a control method. The intelligent PFC constant-current drive power circuit comprises an AC input rectifier filter unit, a PFC power factor correction unit, a high-frequency transformer, an output filter unit, an output unit, a switch circuit, a brightness induction device, an infrared induction device, a time zoneacquisition unit, a sampling unit, a timer and a single-chip microcomputer, wherein the output filter unit is connected with the output unit through a fourth inductor; the output filter unit is connected with the PFC power factor correction unit through a constant-current output sampling unit; the output unit feeds back an output signal to a power supply terminal of a PFC power factor adjustment chip through a secondary protection circuit; the sampling unit acquires an output current signal, is connected with an AD conversion module through a signal sampling circuit and finally acquires a sampled signal; and the single-chip microcomputer is connected with the brightness induction device, the infrared induction device, the time zone acquisition unit, the switch circuit and the AD conversionmodule. The intelligent PFC constant-current drive power circuit has the advantages that intelligent constant-current starting is achieved, and the intelligent PFC constant-current drive power circuit is safer to use and better in constant-current stabilization effect.

The invention discloses a control circuit which can induce the variation of the brightness as least comprises an active luminophor and a brightness induction device which are both connected with a operation processing component and are under the control of the operation processing component. The operation processing component is used to control the active luminophor to change and give out light according to the advanced law and monitor the variation of brightness with advanced law which is induced by the brightness induction device thus generating the corresponding control signal. The operation processing component is also connected with an execution component which is used to execute the manipulation action to the controlled device according to the control signal. For the reason that the control circuit and the method adopts an active luminophor component which has brightness variation according to the advanced law as if that advanced modulation is made to the detection signal, and the brightness induction device and the operation judgment of the operation processing component are combined, the invention realizes the precise, reliable and convenient induction control process in various light environments.

The invention discloses a microwave induction light-controlled LED lighting lamp. The microwave induction light-controlled LED lighting lamp comprises a microwave inductor, a brightness induction dimmer, a dimming driving power source, a key module, an external power source and an LED lamp; the microwave inductor, the brightness induction dimmer, the key module and the dimming driving power source are all connected with the external power source; the external power source is used for supplying energy to the LED lighting lamp; the microwave inductor and the brightness induction dimmer are both connected with the key module; the key module is used for controlling the on-off of the LED lighting lamp; the microwave inductor and the brightness induction dimmer are both connected with the dimming driving power source; the dimming driving power source is connected with the LED lamp; and the dimming driving power source can adjust the brightness of the LED lighting lamp. The microwave induction light-controlled LED lighting lamp of the invention has the advantages of high efficiency, energy-saving performance, high microwave induction sensitivity and wide application range, and can maintain a constant light illuminance in an indoor environment and can effectively protect the eyes of people.

The invention discloses an intelligent human body induction LED down lamp, comprising a down lamp main body which is composed of a down lamp shell, a down lamp top ring and a down lamp base; a down lamp shade cover is fixedly installed on the upper surface of the down lamp top ring through a bolt; an inner ring wall of the down lamp top ring is fixedly provided with an infrared induction head at the position of a first through hole; a second through hole is formed in the upper surface of the down lamp shade cover; the lower surface of the down lamp shade cover is fixedly provided with a brightness induction head in the inner ring of the down lamp top ring; and a brightness sensor, an infrared induction sensor and a control device are fixedly installed in the down lamp base. The brightnessinduction head can induce the environment brightness; when the detected environment brightness is lower than a limiting value and the infrared induction head detects an infrared heat source around thedown lamp, a singlechip starts the LED lamp to be turned on at this time; when the environment brightness detected by the brightness induction head is higher than the limiting value and the infraredinduction head does not detect the infrared heat source, the singlechip starts the LED lamp to be turned off at this time, so the intelligent human body induction LED down lamp provided by the invention can avoid the LED down lamp being turned on all the time and the waste of power resource.

The invention discloses an intelligent lighting control switch. The intelligent lighting control switch includes a brightness induction module, an infrared induction module, a sound control module, an entry detection module, a single-chip microcomputer, a function selection module, a touch control module, a communication module and a power source module. The intelligent lighting control switch is characterized in that the single-chip microcomputer is connected with the brightness induction module, the infrared induction module, the sound control module, the entry detection module, the function selection module, the touch control module, the communication module and the power source module. The intelligent lighting control switch of the invention has a variety of functions; functions corresponding to different situations can be selected through the function selection module; the brightness induction module can automatically detect ambient light intensity, and the brightness of a lighting lamp can be adjusted according to the light intensity, and thus, an energy-saving effect can be realized; and based on the requirements of users, different control modules can be selected according to different situations, and therefore, great conveniences can be brought to the users. The intelligent lighting control switch has the advantages of simple structure, high environmental adaptability and suitability for popularization.

The invention relates to the field of LED lamps, in particular to an outdoor waterproof LED fluorescent lamp, which comprises a lamp cap, a lamp rod and a lamp holder, wherein the top of the lamp holder is fixedly connected with the lamp rod, a human body induction sensor is arranged on the base surface of the lamp rod, a storage battery is arranged at the bottom of the lamp rod, a control systemis arranged inside the lamp rod, the lamp cap is arranged at the top of the lamp rod, the lamp cap and the lamp rod are fixedly connected through a fixing block, the fixing block and the lamp cap arespirally connected through screws, a transparent lampshade is arranged at the bottom of the lamp cap, the transparent lampshade and the lamp cap are fixedly connected through a rubber sleeve, LED lampbeads are embedded at the bottom of the lamp cap, a ventilation window is embedded at the outer side of the lamp cap, ventilation holes are arranged on the base surface of the ventilation window, a solar electronic plate and a brightness induction sensor are embedded at the top of the lamp cap, the device has the advantages of overall simple structure, better water resistance and certain popularization action.

The invention discloses a vehicle-mounted back-row headrest with an intelligent adjustment display function and an implementation method. The vehicle-mounted back-row headrest comprises a back-row headrest body as well as an ARM processing system module, a microprocessor unit, a display screen module unit and a brightness induction unit which are arranged on the back-row headrest body, wherein the brightness induction unit, the microprocessor unit, the ARM processing system module and the display screen module unit are sequentially connected. By arranging the brightness induction unit in the vehicle-mounted back-row headrest system disclosed by the invention, the ambient brightness can be detected according to the brightness induction unit, and intelligent adjustment on screen brightness can be realized.

The invention discloses a bar code reading device, which relates to the technical field of bar code scanning devices, and comprises a shell, a trigger, a main board which is arranged in the shell andis provided with a central processing chip, a bar code scanning module and a photosensitive device which are connected with the main board, and a brightness sensing module which is connected with thetrigger and the main board, the lighting module is connected with the main board and the brightness sensing module; the bar code scanning module is a camera module, and the photosensitive device captures an image of a bar code. The invention further comprises a reading method. The reading method comprises the following steps: a brightness sensing step; an illumination adjusting step; decoding step. According to the invention, the brightness sensing module is arranged to sense the brightness of the surrounding environment of the bar code reading device. According to the brightness degree, the illumination module is automatically adjusted to the effective brightness so as to help the bar code scanning module to scan the bar code; bar code scanning in a dark environment can be achieved; meanwhile, light can be provided for sorters; sorting work of the sorters is facilitated; and the effect of improving the working efficiency is achieved.