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Laser controller, laser control system and laser control method

A control system and controller technology, applied in the laser field, can solve the problem that the laser controller must manually switch the switch, etc., to achieve the effect of improving the control effect, improving the user experience, and reducing the complexity

Inactive Publication Date: 2013-10-30
PHOEBUS VISION OPTO ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the existing laser controller must manually switch the switch, the embodiment of the present invention provides a laser controller, a laser control system and a laser control method

Method used

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  • Laser controller, laser control system and laser control method
  • Laser controller, laser control system and laser control method

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Embodiment 1

[0039] see figure 2 , the present embodiment provides a laser controller, including:

[0040] The emitter follower 101 is used to receive the modulation control signal, and output the modulation control signal after amplifying, the modulation control signal is an analog control signal or a PWM control signal;

[0041] A reference voltage source 102, used to provide voltage to the emitter follower 101;

[0042] The constant current control circuit 103 is used to output the driving current according to the modulation control signal output by the emitter follower 101, so as to control the working state of the laser diode;

[0043] The function of the constant current control circuit is that if there is no external modulation control signal, the constant current control circuit will keep the current constant so that the laser diode remains on, which will not achieve the purpose of the laser show; apply the modulation control signal to the laser In scenes such as performances, t...

Embodiment 2

[0052] see Figure 4 , the present embodiment provides a laser control system, including: a laser controller 201, a computer control system 202 and a laser diode 203;

[0053] Wherein, the laser controller 201 includes:

[0054] The emitter follower is used to receive the modulation control signal, amplify the modulation control signal and output it, and the modulation control signal is an analog control signal or a pulse width modulation PWM control signal;

[0055] A reference voltage source for supplying voltage to the emitter follower;

[0056] A constant current control circuit, configured to output a driving current according to the state of the modulation control signal output by the emitter follower, so as to control the working state of the laser diode;

[0057] The reference stabilized voltage source is connected to an emitter follower, the output end of the emitter follower is connected to the input end of the constant current control circuit, and the output end o...

Embodiment 3

[0067] see Figure 5 , this embodiment provides a laser control method based on the laser controller provided in the above embodiments, including:

[0068] Step 301: The emitter follower receives the modulation control signal and amplifies the modulation control signal, wherein the modulation control signal is an analog control signal or a PWM control signal;

[0069] Step 302: The constant current control circuit outputs the driving current according to the state of the modulation control signal output by the emitter follower, so as to control the working state of the laser diode.

[0070] The method is executed by a laser controller, and the functions of the laser controller are the same as those described in the above embodiments, and will not be repeated here.

[0071] In this embodiment, further, in order to suppress the distortion of the analog control signal input to the emitter follower, the laser controller may also include a distortion suppression unit, and correspo...

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Abstract

The invention discloses a laser controller, a laser control system and a laser control method, and belongs to the field of lasers. The laser controller comprises an emitter follower, a standard voltage stabilization source and a constant current control circuit, wherein the emitter follower is used for receiving a modulation control signal and outputting the modulation control signal after the modulation control signal is amplified, the modulation control signal is an analog control signal or a PWM control signal, the standard voltage stabilization source is used for providing voltage for the emitter follower, and the constant current control circuit is used for outputting a driving current according to the modulation control signal output by the emitter follower so as to control the working states of a laser diode. The laser control system comprises the laser controller, a computer control system and the laser diode. According to the laser controller, the laser control system and the laser control method, the control over the laser diode is achieved, an existing manual switchover switch is replaced, the automatic control effect is achieved, manual operation of a user does not need, the complexity is reduced, and the use feeling of the user is greatly improved.

Description

technical field [0001] The invention relates to the laser field, in particular to a laser controller, a laser control system and a laser control method. Background technique [0002] In recent years, laser demonstration systems have been widely used in stage lighting arrangements, entertainment venues and outdoor displays. The laser demonstration system uses laser diodes as a light source, and through special optical circuit design, precise control system and high-speed scanning galvanometer to depict various effects, including vector graphics, animation, pictures and text, etc. [0003] The laser demonstration system mainly includes: computer control system, laser controller, laser and high-speed scanning galvanometer. Among them, the computer control system is used to process the demonstration information and convert the demonstration information into control signals that meet the requirements; the laser controller controls the laser according to different types of contro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/042G05B11/26
Inventor 胡国荣王斌张玲毕勇
Owner PHOEBUS VISION OPTO ELECTRONICS TECH
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