46results about "Energy saving control techniques" patented technology

Methods and apparatus for executing a lighting program to control a plurality of light emitting diodes (LEDs) in response to at least one characteristic of an audio input. In one embodiment, the audio input is digitally processed to determine the at least one characteristic. In other embodiments, control signals for the LEDs are generated in response to a timer and/or input from a user interface, as well as in response to the at least one characteristic of the audio input. In another embodiment, the control signals for the LEDs are generated by a same computer that processes the audio input to transmit signals to speakers to audibly play the audio input. In a further embodiment, a GUI is provided to assist in authoring the lighting program. In another embodiment, the audio signal is processed before being played back. In a further embodiment, the lighting program anticipates changes in the audio input.

A load control system for a building having a lighting load, a window, and a heating and cooling system comprises a lighting control device for controlling the amount of power delivered to the lighting load, a daylight control device, such as a motorized window treatment, for adjusting the amount of natural light to be admitted through a window, and a temperature control device for controlling a setpoint temperature of the heating and cooling system to thus control a present temperature in the building. The load control system may also comprise a controllable electrical receptacle for turning on and off a plug-in electrical load connected thereto. The lighting control device, the daylight control device, the temperature control device, and the controllable receptacle are controlled so as to decrease a total power consumption of the load control system in response to a received demand response command.

Solar-powered lighting devices that may be portable and/or collapsible are described. The devices may include a housing including a first wall, a second wall, and one or more side walls between the first wall and the second wall, at least one solar panel to generate solar energy, and a rechargeable battery to store the solar energy generated. The devices may include a plurality of operating modes for controlling lights within the housing, and a microprocessor for controlling the operating modes.

In the growth process of broilers, the requirements on light quality, light intensity and light period are complex and high, so an intelligent dimming light supplementing system is urgently needed for poultry house illumination. The invention provides an LED light source control system for intelligent broiler breeding, which is characterized by comprising an LED light source controller, an LED total power supply and a plurality of LED lamp tubes, wherein the LED light source controller comprises a microprocessor, and a clock unit and a serial communication interface unit which are connected with the microprocessor; an internal memory E2PROM for storing a broiler growth curve regulation parameter is arranged in the microprocessor; a software module for setting the broiler growth curve regulation parameter is arranged in a computer; and a control software module is embedded into the microprocessor. By using a program-controlled LED lamp, the light quality, the light intensity and illumination time can be automatically regulated, and the requirements of the broilers at different growth stages on illumination time and illumination intensity can be met.

The invention discloses an intelligent management system for street lamps. The intelligent management system for the street lamps comprises a street lamp terminal and a central server, wherein the street lamp terminal comprises a street lamp terminal forwarding module and at least two street lamp terminal controllers, and the central server comprises an intelligent street lamp management module, a GIS space fitting module and a display module. After each street lamp terminal controller collects street lamp fault information of the corresponding joint point, longitude and latitude information and the street lamp fault information of the corresponding joint point are packed to form fault information, and the fault information is sent to the intelligent street lamp management module; the intelligent street lamp management module analyzes the fault information to obtain the longitude and latitude information and the street lamp fault information of the corresponding faulted street lamp joint point, sends the longitude and latitude information to the GIS space fitting module, and sends the street lamp fault information to the display module to carry out display on the street lamp fault information; the GIS space fitting module carries out space fitting on the longitude and latitude information and geographic information to obtain geographical location information, and sends the geographical location information to the display module to carry out display. The intelligent management system for the street lamps has the advantage that a worker can conveniently, rapidly and accurately find out a faulted street lamp according to the geographical location information of the faulted street lamp.

A light fixture wireless motion detector conversion kit that includes an electrical box cover plate that houses a wireless receiver unit capable of receiving a signal from a wireless motion detector. Formed on the front surface of the plate is a center cavity upon which a standard light fixture bracket is attached. During assembly, the cover plate is securely attached to a vertical support surface while the base of a light fixture is attached to the bracket. The wireless receiver unit is electrically connected between an external 120 volt AC electrical circuit and the light fixture's wires. In the preferred embodiment, the wireless receiver unit includes an optional frequently switch, a mode switch, that allows the user to select different frequencies that matches the frequency used by the motion detector.

The invention provides an outdoor lighting device. The outdoor lighting device includes: a light source driving circuit board, on which a light source driving circuit is arranged; a light source board, on which a light emitting diode light source electrically connected to the light source driving circuit is installed, and the light emitting diode light source A plurality of light-emitting diodes are included, and the plurality of light-emitting diodes include small light-incidence-angle light-emitting diodes. The outdoor lighting device has the advantages of simple structure, low micro-current power consumption, no heat generation, strong anti-interference ability to power supply, explosion-proof function, long life without maintenance, good versatility, low cost, long-term lighting does not affect eye health, etc., mainly The performance parameters meet the requirements of relevant national standards, and the produced light-emitting diodes with small beam angles can be used in the lighting system, which greatly reduces the production cost and does not need to discard the light-emitting diodes with small beam angles.

The invention discloses an intelligent LED illuminating control system and a control method thereof. The intelligent LED illuminating control system comprises an intelligent control panel and an intelligent LED lamp. The intelligent control panel serves as a centralized controller and can receive an instruction sent by a mobile terminal through a WIFI circuit, and the instruction is processed through a processor so that an instruction signal can be modulated on an alternating current power line; when the LED lamp is connected to an alternating current power supply line, instruction information is extracted through a detecting circuit in the intelligent LED lamp, an LED driver is controlled after the instruction information is processed, and control over adjustment of the LED lamp is finished. The principle of carrying out digital signal modulation through the power line is utilized for finishing communication between the intelligent control panel and the intelligent LED lamp, additional communication cables are not needed to be arranged, and therefore the control system is economical, practical and capable of being applied to control over other intelligent home appliance.

A light emitting diode controller integrated circuit includes counter circuitry having inputs coupled to a clock signal input pin, a pulse width modulated signal input pin, and a sense input pin, and has a count output coupled to a gate drive signal output to an external power transistor. The power transistor is connected in series between a power lead, a sense resistor, and a light emitting diode. The sense input pin is coupled to the series connection between the resistor and the transistor. The counter circuitry provides a Ton_delay equal to a Toff_delay of the power transistor. By counting up during a Ton_delay and down during a Toff_delay, the controller can be used with power transistors of unknown characteristics.

The invention relates to a lamp control method, device and system. The method is characterized in that ambient brightness data and ambient temperature data of the environment where a lamp is located can be collected, the lamp is adaptively adjusted to work with the corresponding brightness according to the ambient brightness data, and the lamp is controlled for emitting the corresponding light hueaccording to the change of the ambient temperature, so lighting requirements of users in different temperature environments are met. The method is advantaged in that the lamplight brightness and thelamplight hue can be adjusted in a self-adaptive mode according to the temperature and the brightness of the environment where the lamp is located, the basic illumination requirement of a user can bemet, an illumination environment capable of outputting different lamplight hues according to different temperatures can be provided for the user, and high illumination reliability is achieved.

The invention discloses a street lamp intelligent control system based on a vehicle state, comprising a brightness adjusting module, which is used for adjusting the brightness of a street lamp in a monitoring road section to a first brightness when the brightness adjusting module is in a preset idle time interval at a current time; A vehicle speed acquisition module, configured to acquire the vehicle speed of the vehicle entering the monitoring section; The street lamp control module is configured to adjust the brightness of the street lamps in the monitoring road section according to the vehicle speed of the vehicle entering the monitoring road section and the preset vehicle speed threshold value.

The invention discloses an intelligent street lamp control system, which belongs to the field of intelligent control. The intelligent street lamp control system is characterized by comprising a powersupply voltage stabilizing system, branch circuit control systems, a ZigBee coordinator system and a ZigBee routing and terminal system, wherein each branch circuit control system comprises a time module, a display module, and an illumination acquisition module; the ZigBee coordinator comprises a display module and a keyboard module; the ZigBee routing and terminal system comprises a fault detection module and a street lamp control module; the power supply voltage stabilizing system is connected with the control systems; and the control systems are connected wirelessly by means of ZigBee modules. Compared with a traditional street lamp control system, the intelligent street lamp control system effectively saves electric energy resources, further protects electric lamps and prolongs the service life thereof; and the intelligent street lamp control system can perform real-time monitoring and management on all the street lamps, performs centralized control, monitoring and detection, greatly reduces investment in manpower, material resources and financial resources in the later period, and improves the working efficiency of patrol inspection equipment and the street lamps.

The present invention discloses a visible light intensity compensation method. The method comprises: detecting visible light and infrared light in the ambient light, and obtaining the intensity value of the visible light and the intensity value of the infrared light; obtaining the operation values of the intensity value of the visible light and the intensity value of the infrared light; and comparing the operation values with a preset range of threshold, and performing compensation of the intensity value of the visible light according to the comparison result. The present invention further discloses a visible light intensity compensation device and a mobile terminal. According to the invention, the visible light intensity compensation method and device and the mobile terminal can reduce the difference between the intensity value of the visible light after compensation and the standard intensity value of the visible light so as to allow the intensity value of the visible light after compensation to be closely consistent to the standard intensity value of the visible light.

The invention provides a switching buck type LED constant-current control circuit, system and method. The switching buck type LED constant-current control circuit comprises an average current comparison module for comparing a current detection sampling signal with an average reference, a peak current comparison module which is used for comparing the current detection sampling signal with a peak reference, a self-adaptive clock generation module which is used for generating a turn-off ending signal; a PWM logic control module which is used for generating a logic control signal; and a driving module. When a current detection sampling signal rises to the average reference and exceeds the average reference, a power switch tube is switched on within the same time, and then the power switch tube is switched off; and if the current detection sampling signal is greater than a peak value benchmark, the power switch tube is turned off in advance, a turn-off reference signal is adjusted at the same time; and when a preset charging signal is greater than the turn-off reference signal, the power switch tube is turned on again, and a next new PWM period is started. According to the switching buck type LED constant-current control circuit, system and method of the invention, small current ripples and high-precision output current can be realized; and the linear adjustment rate and the load adjustment rate are good.

The invention relates to a control method of lighting equipment and wearable equipment. The wearable device includes: one or more processors; one or more memories; and one or more computer programs, where the one or more computer programs are stored on the one or more memories, when executed by the one or more processors, cause the wearable device to perform the following steps: upon detecting that the user exits the sleep state and the current time is within a preset period of time, executing the one or more computer programs on the wearable device, and after detecting that the user exits the sleep state and the current time is within the preset period of time; the wearable device detects the distance between the wearable device and the lighting device; after it is detected that the distance between the wearable device and the lighting device is smaller than or equal to a preset distance threshold value, the wearable device sends a message to the lighting device; the message is used to instruct the lighting device to perform a specific function. According to the wearable device, the lighting device is controlled to provide personalized lighting services for different users while the hardware cost is slightly increased or even not increased.

The invention relates to the field of intelligent production and processing, in particular to a dust-free workshop environment monitoring method and system and electronic device.The specific method comprises the following steps that when the illumination brightness of an illumination control area changes, the illumination brightness of the illumination control area is compared with a preset first illumination brightness standard; and then the illumination brightness of the illumination control area is adjusted according to the brightness comparison result, so that the illumination brightness of the illumination control area can be adjusted and judged for multiple times, and a lamp group corresponding to the illumination control area can be adjusted to a required preset first illumination brightness standard or a required preset second illumination brightness standard according to actual needs. Therefore, the light environment of the dust-free workshop is effectively monitored, the light environment in the dust-free workshop can be adjusted in time, and the light environment in the dust-free workshop can meet different requirements of users.

The invention relates to an upgradable light-emitting diode (LED) lamp driving module. The driving module comprises an input end and an output end, wherein the input end is connected with an external power supply for supplying power to the driving module, the output end is connected with an LED lamp for driving and controlling the LED lamp, the driving module also comprises a control module, the control module is used for realizing intelligent control or non-intelligent control and comprises an intelligent module and a circuit switching module, and the circuit switching module is connected with the driving module; when the intelligent module is connected with the circuit switching module, the LED lamp is switched into an intelligent control mode; and when the intelligent module is disconnected with the circuit switching module, the LED lamp is switched into a non-intelligent control mode. By arranging the control module, the intelligent control mode or the non-intelligent control mode of the lamp can be realized, and thus, different control modes can be selected for acquiring different control functions according to different demands of clients.

The invention discloses a TOF camera-based sitting posture recognition shielding judgment method and an intelligent table lamp, which are used for judging whether shielding exists in a depth image of a shot human body sitting posture so as to eliminate interference caused by shielding in a sitting posture recognition process. The method comprises the steps of obtaining a depth image of a human body sitting posture; extracting a target depth interval image from the depth image, wherein the target depth interval image is a depth interval image where a human body is located; determining a main body area in the target depth interval image; performing effective point dispersion degree calculation on the main body region through a target formula to obtain a first calculation result; judging whether the first calculation result is greater than a first threshold value or not; and if the first calculation result is greater than a first threshold value, determining that shielding exists.

The invention discloses an intelligent street lamp management and control system which comprises a main control module, a remote monitoring center and a storage module, and further comprises a power supply module, an environmental parameter acquisition module, a video monitoring module, a brightness sensing module, a pedestrian and vehicle sensing module, a street lamp brightness adjusting module,a communication module and a street lamp module which are mounted on a street lamp pole. According to the invention, the road surface condition can be monitored in real time, the intelligence, automation and comprehensiveness of the whole management and control system are greatly improved, and the system has high practical value and wide application prospect.

The present invention discloses an intelligent lamp system based on light brightness detection. The system comprises: a first collection unit configured to collect outdoor light brightness L0; a second collection unit configured to collect indoor light brightness L; a light regulation unit configured to regulate the brightness of the light according to the instruction of a control unit; the control unit configured to obtain outdoor light brightness L0 through the first collection unit and the indoor light brightness L through the second collection unit, perform analysis of the L0 and the L and control the motion of the light regulation unit according to an analysis result instruction. The outdoor light brightness is collected to select initial brightness for the light to allow the initial brightness of the light to match the outdoor light brightness so as to improve the user usage comfortability when the light is turned on; and after the light is running for a while, the indoor light brightness is collected to perform adaptability regulation of the brightness of the light to allow the light brightness to match with the indoor light brightness so as to improve the user comfortability in an indoor environment.

The present invention relates to a light control system. The light control system comprising: a plurality of light sources (104) each configured to emit light within a predetermined spectral range, each of the plurality of light sources (104) being configured to illuminate a corresponding sub-portion (108) of a space (100), a sensor (106) configured to within the space (100), detect a location (112) of a human (114) or an animal; and a control engine (107) configured to control the plurality of light sources (104) based on the detected location (112) of the human (114) or the animal such thata sub-portion (108a) of the space (100) in which the human (114) or the animal is not present is exposed (116) to the light (118) within the predetermined spectral range at a predetermined threshold intensity. A method for exposing a sub-portion of a space with light within a predetermined spectral range at a predetermined threshold intensity is also provided.

The invention discloses an endoscope light source, a light dimming method and device for the endoscope light source, and an endoscope system. The endoscope light source comprises N pieces of light emitting elements and a spectrum detection sensor. The light dimming method comprises the following steps of: obtaining spectrum data collected by the spectrum detection sensor; on the basis of the spectrum data, determining the characteristic spectrum parameter of illumination light emitted from the N pieces of light emitting elements; and according to a comparison result of the characteristic spectrum parameter and a target spectrum parameter, regulating a driving signal of the target light emitting element in the N pieces of light emitting elements. By use of the spectrum data which is collected by the spectrum detection sensor in the endoscope light source and corresponds to the illumination light emitted from the N pieces of light emitting elements, the driving signal of the target lightemitting element in the N pieces of light emitting elements is regulated, the spectrum of a combined beam of illumination light emitted from the N pieces of light emitting elements in the endoscope light source is guaranteed to meet a spectrum requirement, an influence on the combined beam of illumination light by the spectrum change of the light emitting elements can be reduced, and color modulation accuracy is improved.

A door switch system is provided for energy saving in a refrigerator. The door switch system comprises a light detector, a first switch, and a second switch. The light detector is disposed in the storage space. The first switch is configured for switching the cooling fan according to an output from the light detector detecting external light. The second switch is configured for switching the storage-space light according to an output from the light detector detecting external light. When a door to the storage space is opened and the output is a first output indicating an open state of the door, the first switch is off to stop the cooling fan and the second switch is on to turn on the storage-space light. The light detector may detect the external light outside the storage space and provide the first or second output to the first and second switches.

The invention provides a lighting control method and system and an intelligent terminal. The lighting control method comprises the steps that the current or voltage waveform of a load is acquired, and the type of the load is determined; and the matched light modulation is performed according to the type of the load. The implementation process of determining the type of the load comprises the steps that fitting comparison is performed on the acquired current or voltage waveform of the load and the waveform sample of the typical load so as to determine the type of the load. The lighting scheme can be adaptively adjusted according to the type of the load, the application environment of the load and the personal preferences so that intelligent lighting can be realized, and the people's requirements for customized lighting can be greatly met.