46results about How to "Automatically adjust light intensity" patented technology

The invention discloses a light intensity adjusting device and method. The light intensity adjusting device is used for adjusting the luminescence intensity of a luminescence device, and comprises an illumination measuring module for converting received light into a voltage after receiving the irradiation of light; and a control module for comparing whether the voltage is greater than a light intensity threshold, if so, decreasing the duty ratio of PWM square waves outputted by the luminescence device, and if not, increasing the duty ratio of the PWM square waves outputted by the luminescence device. By using the light intensity adjusting device and method, the illumination intensity of light of a surrounding environment can be detected, and through adjusting the duty ratio of the PWM square waves outputted by the luminescence device, the luminescence intensity of the luminescence device can be automatically adjusted, so that it is ensured that a user can be in a quite proper illumination environment at any time at any place, neither eye discomfort due to too strong light nor unclearness due to too weak light is caused, convenience is provided for the user, and the application experience of the user is also improved.

The invention discloses an intelligent indoor lighting control system and method. The system comprises an indoor part and an outdoor part, wherein the outdoor part comprises an outdoor controller and at least one illumination intensity sensor; the indoor part comprises an indoor controller, an indoor light source system and a controllable shading system; the illumination intensity sensor senses the illumination intensity of the outdoors; the outdoor controller is connected with the illumination intensity sensor on one hand to collect illumination intensity data and is also connected with the indoor controller on the other hand to transmit the illumination intensity data; and the indoor controller is connected with the indoor light source system and the controllable shading system and respectively controls the working ways of the indoor light source system and the controllable shading system according to the illumination intensity data. Through the organic combination of the indoor light source system and the controllable shading system, the intelligent indoor lighting control system and method realize the automatic control of the indoor illumination intensity and can be widely applied to automatic illumination intensity adjustment of indoor places such as families, schools, offices, plants and the like.

The invention relates to an intelligent lamp, which comprises a light source, a control module, and a sensing module, wherein said light source can send out different lights; the control module controls the light source; the sensing module senses the external condition; the sensing module is connected to the control module; the control module is connected to the light source; the sensing module sends sensed information to the control module which will judge the needed light of lamp to control the light source. The inventive lamp can adjust the color and strength of lamp based on different conditions automatically, while it can be used as alarm lamp and save energy.

The invention discloses a lamp capable of promoting plant growth. The lamp capable of promoting the plant growth comprises a lamp body which is provided with a man-machine interaction interface, a light source, a light modulator, a light sensor, a power supply unit and a controller, and the man-machine interaction interface is used for setting illumination parameters needed by a plant; the light source comprises red light LED particles and blue light LED particles, the light modulator is connected with the light source and used for setting and adjusting output power for red light and blue light, the light sensor is used for sensing light intensity in the outside world| and transferring a sensing signal to the controller, the power supply unit comprises a first power supply and a second power supply and is used for providing the power supplies for the red light LED particles and the blue light LED particles, and the controller provides required illumination for promoting the plant growth by cooperating with all the parts. By means of the lamp capable of promoting the plant growth, the illumination required by the plant growth is automatically supplemented, and errors caused by manual adjustment are avoided. According to the lamp capable of promoting the plant growth, distribution power of the red light and the blue light is set according to the growth period of the plant, the light source is effectively utilized, and the energy conservation and the environment protection are achieved.

The invention discloses a working method of a table lamp capable of automatically adjusting brightness so as to solve the problem that an existing table lamp cannot adjust the brightness according to light intensity. The working method of the table lamp capable of automatically adjusting brightness includes the following steps that (1) when the light intensity of the environment meets the requirement of normal reading and writing, a first LED lamp and a third LED lamp are turned on, a second LED lamp is turned off, the brightness of the third LED lamp is lower than that of the second LED lamp, an outer cover located outside the first LED lamp, the second LED lamp and the third LED lamp is put down, and the height of the lower end face of the outer cover is smaller than that of the lower end face of an inner cover on the inner side of the outer cover; and (2) when the environment light is dim, the first LED lamp and the second LED lamp are turned on, the third LED lamp is turned off, the outer cover located outside the first LED lamp, the second LED lamp and the third LED lamp is upwards folded along the outer surface of the inner cover, and a bent ring which is inwards bent and arranged on the lower end face of the outer cover abuts against the lower end face of the inner cover on the inner side of the outer cover.

The invention discloses a multifunctional desk lamp which comprises a desk lamp base, a lamp tube support and a lamp tube, wherein a control device for automatically regulating the light strength of the lamp tube and playing the music is arranged in the lamp tube base, an MP3 module, a controller, an analog-digital converter and a digital-analog converter are arranged in the control device, a photosensitive sensor is further arranged on the lamp tube support, an output end of the photosensitive sensor is connected with an input end of the analog-digital converter, the output end of the analog-digital converter is connected with the controller, the input end of the digital-analog converter is connected with the controller, the output end of the digital-analog converter is connected with the lamp tube, the MP3 module is connected with the controller, and the MP3 module is further connected with a speaker. The multifunctional desk lamp has the advantages of automatic dimming, music playing, music alarm clock, energy conservation, convenient use, high sensitivity and stable performance, and can be extensively used in all places needing lighting, such as families, offices and the like.

The invention provides a novel agricultural greenhouse. The novel agricultural greenhouse comprises a greenhouse body and a shading device, wherein the greenhouse body comprises a greenhouse frame; a greenhouse film covers the greenhouse frame; the shading device is positioned outside the greenhouse film; a rainwater collector is arranged outside the greenhouse body and is connected with a water reservoir; a sprinkle pipe connected with the water reservoir is further mounted on the greenhouse frame; a water pump is arranged between the water reservoir and the sprinkle pipe; a plurality of sprinkle heads are arranged on the sprinkle pipe; the greenhouse body is further provided with a ventilating device. According to the novel agricultural greenhouse, rainwater can be effectively utilized, waste of water resources is avoided, the illumination intensity in the greenhouse body can be automatically regulated, and the growth of crops is guaranteed.

The invention discloses a portable photographic light supplementing device. The device comprises a box body; a camera groove which is through a left-right direction is formed in the left end wall of the box body; a camera clamping block is matched with and connected in the camera groove; the camera clamping block can clamp a camera located in the camera clamping block; a photosensitive sensor is fixedly arranged on the left end wall of the box body; a reflecting groove with a leftward opening and located above the camera groove is formed in the left end wall of the box body; a reflecting platemechanism is arranged in the reflecting groove; a rotating disc groove is formed in the right end wall of the reflecting groove; a color card replacement rotating disc is arranged in the rotating disc groove; six color cards are uniformly and fixedly arranged in the color card replacement rotating disc; the color card replacement rotating disc is connected with a rotating disc shaft; the rotatingdisc shaft is connected with the box body; a color card replacing mechanism is arranged on the right side of the rotating disc shaft; a light supplementing lamp groove with a leftward opening is formed in the right end wall of the rotating disc groove; portability is achieved, illumination intensity can be automatically adjusted along with changes of an external illumination environment; the color cards are arranged in the device, so that a better illumination environment is provided for photographing activities.

The invention relates to a focusing light intensity light intensity enhancing device for an operating lamp. The device comprises a suspending or supporting system, and one or a plurality of lamp holders carried by the suspending or supporting system, wherein each lamp holder comprises a group of housings, one or a plurality of handles, a plurality of light resources, a focusing mechanism, a focusing detection device and an automatic light intensity compensation mode; the one or plurality of handles are arranged on the housing and used for holding or moving the lamp holder to a suitable position; the one or plurality of light resources are arranged in the housing for illumination; the focusing mechanism is used for adjusting the illumination focal length; the focusing detection device is used for sensing the position of the focusing mechanism within a variable range; the automatic light intensity compensation mode can be used for automatically enhance or reduce the light intensity of the light resource. Therefore, the focusing mechanism can be used for setting light ray focal length of each light resource; a set focal length range can be sensed by the focusing detection device, once the right range is changed, and the light ray focal length and the light intensity of each light resource can be adjusted automatically, so that the effects of automatic detection and automatic light intensity enhancing can be achieved.

The invention discloses a sheet metal visual inspection acquisition terminal and method. The terminal includes a visual capture unit, a part measurement platform and a light homogenizing unit. The light homogenizing unit includes a delay board, a controller, light sensors, a computer control switch, a frame, and a light homogenizing board and dedicated light tubes, wherein the light homogenizing board is installed in the frame, the dedicated light tubes and the light sensors are evenly mounted on the light homogenizing board, the light homogenizing board is divided into multiple units, a lightshielding board is arranged on each unit, each light shielding board, the dedicated light tubes and the light sensors are connected to the controller, and the controller compares the light level information transmitted by the light sensors with a preset value and then automatically adjusts the number of the light shielding boards and the dedicated light tubes to be turned on. In this way, the light homogenizing unit can automatically realize the best light supplement effect according to the actual situation to remove the shadow of a part placed on the part measurement platform and improve theaccuracy of measuring the object to be measured. The method has direct and eye-catching measurement results and a low misjudgment rate.

The invention discloses a connected culturing frame device for factory production of edible fungi. The device comprises a body, a PLC controller is arranged on the side surface of the body, an input end of the PLC controller is electrically connected with an output end of an external power supply, a supporting column is arranged on the upper surface of the body, a top plate is arranged at the topend of the supporting column, a culturing frame is uniformly formed in the upper surface of the body, the inner side surface of the culturing frame is provided with a heating device and a temperaturesensor, an input end of the heating device is electrically connected with an output end of the PLC controller, an output end of the temperature controller is electrically connected with an input end of the PLC controller, and an illumination sensor is arranged on the upper surface of the body. According to the culturing frame device, functions are diversified, temperature, humidity, oxygen content, carbon dioxide content, illumination intensity and the like can be automatically adjusted to provide the optimal growing environment for the edible fungi and increase the number and quality of the edible fungi to facilitate the improvement of the benefits of enterprises.

The invention discloses an outdoor factory standard purification overhauling room which comprises an overhauling room top (1) and an overhauling room body (2). The overhauling room top (1) comprises a plurality of arched rib plates (101), and the rib plates (101) are placed on the overhauling room body (2) after the left sides and the right sides of the rib plates (101) are in lap joint with each other. The overhauling room body (2) comprises a side wall (202a) forming the room, a base plate (202b) and a top surface (202c). The top surface (202c) comprises a frame (3) with a hollow structure, a guide post (4) and a dustcloth (5). The guide post (4) is horizontally arranged on the frame (3), the dustcloth (5) can slide along the guide post (4), and a warning device (7) is arranged in the overhauling room body (2). Once a GIS device has faults, the device does not need to return to a factory to be maintained and can be dismantled and installed and overhauled on the site by building the outdoor factory standard purification overhauling room, and the power outage time is reduced.

The invention discloses a building power saving control system based on ZigBee communication technology, and an operating method of the same. The building power saving control system based on ZigBee communication technology is formed by a central processing unit, a temperature induction module, a luminosity induction unit, an electromagnetic induction wafer, a ZigBee communication module, and a remote monitoring module, wherein the temperature induction module is arranged on an indoor wall; the luminosity induction unit is fixedly arranged on an indoor ceiling; the electromagnetic induction wafer is fixedly arranged on the top right corner area of each office table; the ZigBee communication module is interactively connected with the central processing unit; and the remote monitoring module is connected with the ZigBee communication module through remote control. The building power saving control system based on ZigBee communication technology is high in the automation degree, can automatically adjust the indoor temperature and the luminance, can intelligently manage the number of electric lamps to turn on, and uses the ZigBee communication technology to realize remote monitoring management.

The invention discloses a reverse light path channel waveguide assembly, AR glasses and a brightness adjusting method thereof. The reverse light path channel waveguide assembly comprises a waveguide body, and the waveguide body is provided with a forward light path channel and a reverse light path channel; an imaging device used for shooting a human eye state image is arranged on the outer side of the waveguide body; the forward light path channel comprises a first entrance pupil area arranged above the waveguide body, a pupil expanding area located at the same horizontal height as the first entrance pupil area, and a first exit pupil area arranged below the pupil expanding area; the reverse light path channel comprises a second entrance pupil area which is arranged in the first entrance pupil area and is close to the first entrance pupil area, and a second exit pupil area which is arranged below the first entrance pupil area. According to the embodiment of the invention, the imaging device is used for positioning the fixation point of the human eyes, so that eyeball tracking is realized; meanwhile, the size change of the pupils is measured, so that the light intensity of a picture displayed in the AR glasses can be automatically adjusted.