CN202649660U

CN202649660U - Optical sensor projector

Info

Publication number: CN202649660U
Application number: CN 201220220062
Authority: CN
Inventors: 彭审; 刘晨
Original assignee: JIANGSU INOVEL PHOTOELECTRIC TECHNOLOGY Co Ltd
Current assignee: Chuzhou Ailuowei Electronic Technology Co ltd
Priority date: 2012-05-16
Filing date: 2012-05-16
Publication date: 2013-01-02
Anticipated expiration: 2022-05-16

Abstract

The utility model relates to an optical sensor projector, which comprises a projector body and a projection lens arranged on the front end of the projector body, wherein an optical sensor application module is arranged in the projector body, the optical sensor application module consists of a U1 module, a U2 module and a DLP main chip, and an ambient light receiver is arranged in the middle of the U1 module. The optical sensor projector of the utility model is capable of automatically adjusting the projection brightness according to the ambient brightness and is energy-saving and clear.

Description

A kind of optical sensor projector

Technical field

The utility model relates to a kind of projector equipment, is specifically related to a kind of projector with sensor.

Background technology

Along with the fast development of infotech, people improve constantly for the understanding of electronic product, and projector transforms into general IT office appliance from a kind of professional instrument gradually as a kind of practical product, and popularizes in social industry-by-industry field.Show according to investigations, education sector user has occupied more than 50% of domestic projector user, under the overall situation of country's " prospering the nation with science and education ", various places educational institution is improving energetically teaching level, is strengthening teaching means, and wherein the audio-visual education programme reform is the important step of improving teaching environment.The audio-visual education programme industry is the user group of domestic projector product maximum, and the hardware that education department will strengthen in educational institution drops into, and the terminal device of just long-distance education the best of projector.Simultaneously, along with the generally application of Computer Multimedia Technology and network technology, arrive greatly Command center and network management center, little of various temporary meetings and technology lecture, all thirst for obtaining large picture, broken colour, high brightness, high-resolution display effect.Therefore, projector more and more becomes the requisite playing terminal equipment of all trades and professions.

At present, existing projector all needs manually to go to adjust the brightness of machine on the market, can't automatically adjust the brightness of projector according to the brightness of surround lighting, so making a kind of projector that can change along with ambient light is urgent problem.

Summary of the invention

Goal of the invention: the purpose of this utility model is in order to overcome deficiency of the prior art, provides a kind of and can automatically regulate projection brightness, energy-conservation clearly optical sensor projector according to ambient brightness.

Technical scheme: in order to solve the problems of the technologies described above, a kind of optical sensor projector described in the utility model, it comprises projector body and the projection lens that is located at projector body front end, in described projector body, be provided with the optical sensor application module, described optical sensor application module comprises the U1 module, U2 module and DLP master chip, described U2 module has three pin, it is respectively U2 module grounding leg, reset signal output pin and U2 module connect supply pin, described U1 module has five pin, respectively that the U1 module connects supply pin, U1 module grounding leg, the DATA pin of I2C signal, the CLK pin of reset signal input pin and I2C signal, meet the filter capacitor C2 that meets a 0.1uF between the supply pin at described U2 module grounding leg and U2 module, between described reset signal output pin and U2 module grounding leg, connect the resistance R 1 of a 100K, described reset signal output pin links to each other with the reset signal input pin of described U1 module by one 100 ohm resistance R 2, parallel connection is provided with one 100 ohm resistance R 3 and the capacitor C 3 of a 0.1uF between them simultaneously, connect the capacitor C 1 that is connected to a 0.1uF between supply pin and the U1 module grounding leg in the U1 of described U1 module module, be provided with the surround lighting receiver in the middle of described U1 module, the DATA pin of described I2C signal links to each other with described DLP master chip with the CLK pin of I2C signal.

Described U1 module is BH1721FVC chip or other optical sensor chip.

Described U2 module is the reset chip of IC MAX809S microprocessor resets chip or other producers and has software to realize the function of reset by GPIO.

The P4P5VU2 module of described U2 module connects supply pin and links to each other with power supply P4P5V.

Beneficial effect: the utility model compared with prior art, its remarkable advantage is: the utility model adopts the optical sensor application module, and is so that the brightness of projector can be made corresponding change according to the difference of environment, easy to use.

Description of drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the circuit diagram of the application module of optical sensor described in the utility model.

Wherein:

1, projector body; 2, projection lens; 3, optical sensor application module; 4, U1 module; 5, U2 module; 6, DLP master chip; 7, surround lighting receiver

Embodiment

Below in conjunction with drawings and Examples the utility model is further described.

As depicted in figs. 1 and 2, a kind of optical sensor projector described in the utility model belongs to the shadow casting technique field, the projection lens 2 that it comprises projector body 1 and is located at projector body 1 front end, in described projector body 1, be provided with optical sensor application module 3, described optical sensor application module 3 comprises U1 module 4, U2 module 5 and DLP master chip 6, described U2 module 5 has three pin, it is respectively U2 module grounding leg, reset signal output pin and U2 module connect supply pin, described U1 module 4 has five pin, respectively that the U1 module connects supply pin, U1 module grounding leg, the DATA pin of I2C signal, the CLK pin of reset signal input pin and I2C signal, meet the filter capacitor C2 that meets a 0.1uF between the supply pin at described U2 module grounding leg and U2 module, between described reset signal output pin and U2 module grounding leg, connect the resistance R 1 of a 100K, described reset signal output pin links to each other with the reset signal input pin of described U1 module by one 100 ohm resistance R 2, parallel connection is provided with one 100 ohm resistance R 3 and the capacitor C 3 of a 0.1uF between them simultaneously, connect the capacitor C 1 that is connected to a 0.1uF between supply pin and the U1 module grounding leg in the U1 of described U1 module 4 module, be provided with surround lighting receiver 7 in the middle of described U1 module 4, the DATA pin of described I2C signal links to each other with described DLP master chip 6 with the CLK pin of I2C signal; Described U1 module 4 is the BH1721FVC chip; Described U2 module 5 is IC MAX809S microprocessor resets chip; The U2 module of described U2 module 5 connects supply pin and links to each other with power supply P4P5V.Principle of work of the present utility model is the real-time reception environment luminance brightness of surround lighting receiver, and convert the I2C signal to, wait for that the DLP master chip reads, the DLP master chip is set as per data that read among the I2C BUS in 5 minutes, the environmental light brightness value of this moment will with system in setting value compare, and corresponding change is done in the brightness of projector.The utility model adopts the optical sensor application module, and is easy to use so that the brightness of projector can be made corresponding change according to the difference of environment, and energy-conservation, so that projection is more clear.

The utility model does not relate to partly all, and the prior art that maybe can adopt same as the prior art is realized.

Claims

1. optical sensor projector, the projection lens (2) that it comprises projector body (1) and is located at projector body (1) front end, it is characterized in that: in described projector body (1), be provided with optical sensor application module (3), described optical sensor application module (3) comprises U1 module (4), U2 module (5) and DLP master chip (6), described U2 module (5) has three pin, it is respectively U2 module grounding leg, reset signal output pin and U2 module connect supply pin, described U1 module (4) has five pin, respectively that the U1 module connects supply pin, U1 module grounding leg, the DATA pin of I2C signal, the CLK pin of reset signal input pin and I2C signal, meet the filter capacitor C2 that meets a 0.1uF between the supply pin at described U2 module grounding leg and U2 module, between described reset signal output pin and U2 module grounding leg, connect the resistance R 1 of a 100K, described reset signal output pin links to each other with the reset signal input pin of described U1 module by one 100 ohm resistance R 2, parallel connection is provided with one 100 ohm resistance R 3 and the capacitor C 3 of a 0.1uF between them simultaneously, U1 module in described U1 module (4) connects the capacitor C 1 that is connected to a 0.1uF between supply pin and the U1 module grounding leg, be provided with surround lighting receiver (7) in the middle of described U1 module (4), the DATA pin of described I2C signal links to each other with described DLP master chip (6) with the CLK pin of I2C signal.

2. optical sensor projector according to claim 1 is characterized in that: described U1 module (4) is the BH1721FVC chip.

3. optical sensor projector according to claim 1 is characterized in that: described U2 module (5) is IC MAX809S microprocessor resets chip.