CN206805211U

CN206805211U - A kind of laser illuminator system based on modulation technique

Info

Publication number: CN206805211U
Application number: CN201720446414.6U
Authority: CN
Inventors: 尚振鹏; 王辉
Original assignee: Henan Costar Group Co Ltd
Current assignee: Henan Costar Group Co Ltd
Priority date: 2017-04-26
Filing date: 2017-04-26
Publication date: 2017-12-26
Anticipated expiration: 2027-04-26

Abstract

The utility model discloses a kind of laser illuminator system based on modulation technique, the laser being connected including power driving control plate and with the power driving control plate, single-chip microcomputer, digital regulation resistance and constant current source chip are respectively equipped with the power driving control plate, I/O ports and I are respectively equipped with the single-chip microcomputer²C-terminal mouth, I is respectively equipped with the digital regulation resistance²C-terminal mouth and sliding end, PWM port and current control port are respectively equipped with the constant current source chip, and the I/O ports of the single-chip microcomputer connect the PWM port of the constant current source chip；The I of the single-chip microcomputer²C-terminal mouth connects the I of the digital regulation resistance²C-terminal mouth, the sliding end of the digital regulation resistance connect the current control port of the constant current source chip.Compared with prior art, the utility model program is simple, and reliability is high, is easy to change, portable high, while power adjusting is convenient, and low in energy consumption, service life greatly prolongs.

Description

A kind of laser illuminator system based on modulation technique

Technical field

It the utility model is related to sight and take aim at product technical field, and in particular to a kind of laser lighting dress based on modulation technique Put.

Background technology

In class product is taken aim in sight, in the relatively low use environment of illumination, in order to improve viewing distance, using laser lighting Demand is more and more.The existing laser illuminator system realized using power source special chip has that power consumption is larger, and brightness regulation is not Just, the shortcomings of laser service life is short.Reduce the reliability of product.

Utility model content

To solve drawbacks described above existing for existing laser lighting technology, the purpose of this utility model is that providing one kind is based on The laser illuminator system of modulation technique, design advantages of simple, reliability is high, and power adjusting is convenient, and power consumption is lower, service life compared with It is long.

To achieve the above object, the technical solution adopted in the utility model：A kind of laser lighting dress based on modulation technique Put, including power driving control plate and the laser that is connected with the power driving control plate, on the power driving control plate Single-chip microcomputer, digital regulation resistance and constant current source chip are respectively equipped with, I/O ports and I are respectively equipped with the single-chip microcomputer²C-terminal mouth, institute State and I is respectively equipped with digital regulation resistance²C-terminal mouth and sliding end, PWM port and electric current control are respectively equipped with the constant current source chip Port processed, the I/O ports of the single-chip microcomputer connect the PWM port of the constant current source chip, and the single-chip microcomputer passes through I/O ports mould Intend PWM port output signal, control the time and cycle of the laser illumination；The I of the single-chip microcomputer²C mouths connect the number The I of word potentiometer²C mouths, the sliding end of the digital regulation resistance connect the current control port of the constant current source chip, the list Piece machine utilizes I by programming²C-terminal mouth controls the respective resistance values of the digital regulation resistance to control the electric current of constant current source chip defeated Go out, so as to control the brightness of laser lighting.

Preferably, the power driving control plate is provided with power output, and the power driving control plate passes through institute The power interface for stating power output and the laser links together.

The change in resistance of the digital regulation resistance is the I by the single-chip microcomputer²C-terminal mouth controls the sliding end to realize 's.

The beneficial effects of the utility model are：Using the constant-current source power supply chip with pulsewidth modulation interface, pass through monolithic The programming realization of machine is to the illumination period of laser and the control of brightness, and program is simple, and reliability is high, is easy to change, portable Property it is high, while power adjusting is convenient, and low in energy consumption, service life greatly prolongs.

Brief description of the drawings

Below in conjunction with the accompanying drawings and embodiment, structure and features of the present utility model is further described.

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

Fig. 2 is the operation principle schematic diagram of power driving control plate described in the utility model.

Embodiment

It is a kind of embodiment of the present utility model referring to accompanying drawing 1 and Fig. 2.

A kind of laser illuminator system based on modulation technique, including power driving control plate and with the power driving control The laser of plate connection, is respectively equipped with single-chip microcomputer, digital regulation resistance and constant current source chip on the power driving control plate, described I/O ports and I are respectively equipped with single-chip microcomputer²C-terminal mouth, I is respectively equipped with the digital regulation resistance²C-terminal mouth and sliding end, it is described PWM port and current control port are respectively equipped with constant current source chip, the I/O ports of the single-chip microcomputer connect the constant current source core The PWM port of piece, the single-chip microcomputer control the time of the laser illumination by I/O port analog PWM port output signals And the cycle；The I of the single-chip microcomputer²C-terminal mouth connects the I of the digital regulation resistance²C-terminal mouth, the sliding end of the digital regulation resistance connect The current control port of the constant current source chip is connect, the single-chip microcomputer utilizes I by programming²C-terminal mouth controls the digital current potential The respective resistance values of device come control the electric current of constant current source chip export, so as to control the brightness of laser lighting.

Embodiment of the present utility model utilizes the constant-current source power supply chip with pulsewidth modulation interface, passes through the volume of single-chip microcomputer Cheng Shixian is to the illumination period of laser and the control of brightness, and program is simple, and reliability is high, is easy to change, portable high, together When power adjusting it is convenient, low in energy consumption, service life greatly prolongs.

Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to the utility model Limitation, retouching, modification or the equivalent substitution that all one of ordinary skill in the art are made as described above, belong to this reality With new protection domain.

Claims

A kind of 1. laser illuminator system based on modulation technique, it is characterised in that：Including power driving control plate and with the electricity The laser of source drive control plate connection, single-chip microcomputer, digital regulation resistance and constant current are respectively equipped with the power driving control plate Source chip, I/O ports and I are respectively equipped with the single-chip microcomputer²C-terminal mouth, I is respectively equipped with the digital regulation resistance²C-terminal mouth and Sliding end, PWM port and current control port, the I/O ports connection of the single-chip microcomputer are respectively equipped with the constant current source chip The PWM port of the constant current source chip, the single-chip microcomputer control the laser by I/O port analog PWM port output signals The time and cycle of device illumination；The I of the single-chip microcomputer²C-terminal mouth connects the I of the digital regulation resistance²C-terminal mouth, the digital current potential The sliding end of device connects the current control port of the constant current source chip, and the single-chip microcomputer utilizes I by programming²C-terminal mouth controls The respective resistance values of the digital regulation resistance come control the electric current of constant current source chip export, so as to control the brightness of laser lighting.
2. the laser illuminator system according to claim 1 based on modulation technique, it is characterised in that：The power drives control Making sheet is provided with power output, and the power driving control plate is connect by the power supply of the power output and the laser Mouth links together.
3. the laser illuminator system according to claim 1 based on modulation technique, it is characterised in that：The digital regulation resistance Change in resistance be I by the single-chip microcomputer²What C-terminal mouth controlled the sliding end to realize.