CN203223803U - Lamp for self adapting to environmental illumination - Google Patents

Abstract

The utility model relates to a lamp adaptive to ambient illumination, which relates to the field of lamps. Continuous work in an unsuitable illumination environment will cause visual fatigue and cause vision loss. Existing lamps can only maintain one kind of brightness, or require manual adjustment of brightness, which cannot automatically adjust the illumination of lamps to achieve the most suitable brightness for human eyes; the lamp provided by the utility model includes a base and a light-emitting unit. The base and the light-emitting unit are connected by a bracket, and the lamps for adaptive ambient illumination also include an illumination control system for the light-emitting unit, and the illumination control system for the light-emitting unit includes an environmental illumination detection unit, a micro-processing unit, and a drive unit, and the micro-processing unit Receive the detection signal from the ambient illumination detection unit and output the adjustment signal, and the drive unit changes the brightness of the light-emitting unit according to the adjustment signal to suit human eyes.

Description

A lamp that adapts to ambient illuminance

technical field

The utility model relates to a lamp, in particular to a lamp adaptive to ambient illuminance.

Background technique

A light-emitting diode, also known as an LED, is a solid-state semiconductor device that converts electrical energy into light energy. LED has become a new generation of green light source due to its high efficiency, environmental protection and long life characteristics, and has been widely used in lighting-based fields.

The appropriate illumination from the desk lamp can improve work efficiency and reading efficiency. However, continuous work in an unsuitable illumination environment will cause visual fatigue, which will lead to mental or physical discomfort such as vision loss and dizziness in the long run. However, the existing lamps can only maintain one brightness, or need to adjust the brightness manually. Under the influence of other environmental factors such as sunlight, the illumination of the lamp cannot be guaranteed to meet the most scientific and reasonable brightness for human eyes.

Utility model content

The technical problem solved by the utility model is to provide a lamp that adapts to the illumination of the environment, which can realize the automatic adjustment of the illumination of the lamp and better protect eyesight.

The utility model adopts the following technical solution to solve the technical problem: a lamp for adapting to ambient illuminance, including a base and a light-emitting unit, the base and the light-emitting unit are connected by a bracket, and the lamp for adapting to ambient illuminance also includes a light-emitting unit An illuminance control system, the luminous unit illuminance control system includes an environmental illuminance detection unit, a micro-processing unit and a drive unit, the micro-processing unit receives the detection signal from the environmental illuminance detection unit and outputs an adjustment signal, and the drive unit changes the illuminance of the light-emitting unit according to the adjustment signal .

A further technical solution is: the luminous unit illumination control system also includes a control signal input unit, the control signal input unit includes a manual module and an adaptive module, after the manual module is triggered, the micro-processing unit After adjusting the illuminance of the light-emitting unit and triggering the adaptive module, the micro-processing unit adjusts the illuminance of the light-emitting unit according to the detection signal of the ambient illuminance detection unit.

A further technical solution is: the manual module includes more keys for illumination levels, and the self-adaptive module includes self-adaptive buttons.

A further technical solution is: the environmental illuminance detection unit includes an environmental illuminance detection circuit.

A further technical solution is: the drive unit includes a pulse width modulation circuit.

A further technical solution is: the illuminance control system of the light emitting unit is arranged in the base.

A further technical solution is: the base is also provided with an ambient illuminance detection window for collecting ambient illuminance.

A further technical solution is: a light-transmitting cover is provided on the ambient illumination detection window.

A further technical solution is: the light emitting unit includes a light-transmitting lampshade, and an LED light source is arranged on the light-transmitting lampshade.

A further technical solution is: the lighting unit illumination control system further includes a power supply module, and the power supply module supplies power to the environmental illumination detection unit, the control signal input unit, the micro-processing unit and the driving unit.

The beneficial effect of the utility model is that: the ambient illuminance value can be collected by the ambient illuminance detection unit, and then processed by the subsequent circuit to realize automatic adjustment of the illuminance of the desk lamp, which not only provides a suitable light environment for human eyes, but also realizes secondary energy saving of the desk lamp.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail:

Fig. 1 is the control schematic diagram of the utility model illumination control system;

Fig. 2 is the structural diagram of the utility model;

Fig. 3 is a partial view at A in Fig. 2 .

Detailed ways

Referring to Fig. 1 and Fig. 2, a kind of lamps and lanterns of self-adaptive environment illuminance of the utility model shown, comprise base 1, light-emitting unit 5, between described base 1 and light-emitting unit 5, connect by support 3, described self-adaptive environment illuminance The luminaire also includes a light-emitting unit illumination control system, the light-emitting unit illumination control system includes an environmental illumination detection unit 11, a micro-processing unit 13, and a drive unit 13, and the micro-processing unit 13, the environmental illumination detection unit 11, and the drive unit 14 are powered by the same power supply Module 15 supplies power. The micro-processing unit 13 receives the detection signal from the environmental illumination detection unit 11 , the detection signal is processed by the micro-processing unit 13 and outputs an adjustment signal to drive the driving unit 14 to control the illuminance of the light-emitting unit 5 .

A control signal input unit 15 can also be added to the illumination control system of the light emitting unit, and the control signal input unit 12 is connected to the micro-processing unit 13 and the power module 15 . The control signal input unit 15 includes a manual module and an adaptive module, the manual module includes a plurality of illuminance level buttons, and the adaptive module includes adaptive buttons. The control signal input unit is used for manual input of illuminance control signals of lamps and switching between manual mode and adaptive mode. In self-adaptive mode, touch any illuminance level button to switch to manual mode, and the micro-processing unit adjusts the illuminance of the light-emitting unit according to the output signal of the manual module; similarly, in manual mode, touch the self-adaptive button to switch to self-adaptive mode, the micro-processing unit adjusts the illuminance of the light-emitting unit according to the detection signal of the ambient illuminance detection unit. The illuminance also has a calibration function. In the current environment, the appropriate illuminance value can be achieved through manual adjustment, and the preset illuminance value can be set by long pressing the adaptive button. After the adaptive mode is started, the lamp will automatically adjust the illuminance of the light-emitting unit to Keep consistent with the preset illuminance value.

Preferably: the ambient illuminance detection unit 11 includes an ambient illuminance detection circuit, and the drive unit 14 includes a pulse width modulation circuit. The ambient illuminance detection circuit is used to detect the current ambient illuminance. After signal circuit processing, it is converted into a signal recognizable by the micro-processing unit. The micro-processing drive unit receives the signal output by the environmental illuminance detection unit and inputs the corresponding pulse width modulation wave signal. Affects pulse width modulation circuits. At the same time, the micro-processing unit also converts the mode according to the control signal of the control signal input unit. In the manual mode, the micro-processing unit outputs a pulse width modulation wave signal according to the illumination level signal; through the change of the wave duty ratio in the pulse width modulation circuit, the LED lighting unit changes in illuminance.

The above-mentioned micro-processing unit, also known as a single-chip microcomputer, refers to a computer that integrates the control processing unit on a chip to form a chip-level computer. It is used in this practical lamp. It can be converted into the actual illuminance value of the current environment, and an illuminance display can be installed on the base.

Referring to Fig. 2 and Fig. 3, the specific structure of the desk lamp: the base 1 is provided with a circuit board, and the circuit board is electrically connected to a pulse width modulation circuit, a micro-processing unit, an ambient illuminance detection circuit and a control circuit according to the schematic diagram; The operating panel 2 of the base 1 is provided with an illumination level button 22, an adaptive button 23, a switch 24, and an ambient illumination detection window 21 for collecting ambient illumination. The ambient illumination detection window 21 is provided with a light-transmitting cover. Each button is also provided with an indicator light flashing 25 to show the current mode.

The above-mentioned base 1 is connected with a milky-white light-transmitting lampshade 4 through a bracket 3, and the milky-white light-transmitting lampshade 4 is provided with the LED light source 5, and the milky-white light-transmitting lampshade has the effect of uniform light and can increase the softness of light .

The utility model self-adaptive environmental illuminance lamps, in particular an environmental illuminance self-adaptive LED desk lamp, integrates environmental illuminance detection and LED stepless dimming technology, and realizes self-adaptive adjustment of LED desk lamps and illuminance according to environmental illuminance changes. The preset value can be set through the calibration function. At the same time, the utility model adds a manual adjustment mode to facilitate the adjustment of the illuminance of the lamp to meet the requirements of the special light environment.

Those skilled in the art can make various changes and deformations to the utility model after they are familiar with the principle of the utility model, as long as they do not depart from the spirit of the utility model, all should belong to the scope defined by the appended claims of the utility model.

Claims (10)

1. A lamp for adaptive ambient illuminance, comprising a base and a luminous unit, the base and the luminous unit are connected by a support, and the lamp for adaptive ambient illuminance also includes a luminous unit illuminance control system, characterized in that: The illuminance control system of the light-emitting unit includes an environment illuminance detection unit, a micro-processing unit and a drive unit. The micro-processing unit receives the detection signal from the environment illuminance detection unit and outputs an adjustment signal, and the drive unit changes the illuminance of the light-emitting unit according to the adjustment signal. 2. A lamp for adaptive ambient illumination according to claim 1, characterized in that: the lighting unit illumination control system further includes a control signal input unit, and the control signal input unit includes a manual module and an adaptive module, After the manual module is triggered, the micro-processing unit adjusts the illuminance of the light-emitting unit according to the output signal of the manual module, and after the adaptive module is triggered, the micro-processing unit adjusts the illuminance of the light-emitting unit according to the detection signal of the ambient illuminance detection unit. 3 . The lamp according to claim 2 , wherein the manual module includes more illuminance level buttons, and the self-adaptive module includes self-adaptive buttons. 4 . 4 . The lamp according to claim 1 , wherein the ambient illuminance detection unit comprises an ambient illuminance detection circuit. 5 . The lamp according to claim 1 , wherein the driving unit comprises a pulse width modulation circuit. 6 . 6 . A lamp according to any one of claims 1 to 5 , characterized in that: the illuminance control system of the light emitting unit is arranged in the base. 7 . 7 . The lamp for adapting to ambient illuminance according to claim 6 , wherein an ambient illuminance detection window for collecting ambient illuminance is also provided on the base. 7 . 8 . The lamp for adapting to ambient illuminance according to claim 7 , wherein a light-transmitting cover is provided on the ambient illuminance detection window. 9 . The lamp according to claim 1 , wherein the light emitting unit comprises a light-transmitting lampshade, and an LED light source is arranged on the light-transmitting lampshade. 10 . 10. A lamp with adaptive ambient illuminance according to claim 2, characterized in that: the luminous unit illuminance control system further includes a power module, and the power module is an ambient illuminance detection unit, a control signal input unit, a micro The processing unit and the drive unit are powered.

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