Dimming device, fluorescence microscopy optical system, and scanning and analysis system
The PWM dimming device uses the PWM controller to control the on-off output pulse voltage of the voltage source, which solves the problem of low dimming frequency and accuracy of light source in traditional fluorescence staining cell scanning and analysis systems, and achieves higher frequency, higher accuracy and higher reliability LED light source dimming, and reduces the voltage source cost.
CN110677942BActive Publication Date: 2025-07-25BEIJING LINJIN SPACE AIRCRAFT SYST ENG INST +1
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Patent Information
- Application Number
- CN201910818918.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-08-30
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2039-08-30
AI Technical Summary
Technical Problem
The adjustment frequency and adjustment accuracy of the light source dimming device in traditional fluorescence staining cell scanning and analysis systems are low, and the reliability is poor.
Method used
Using a PWM dimming device, the voltage source is turned on and off by a PWM controller to output a pulse voltage, and load it on the LED light source device to realize dimming of the LED light source device.
Benefits of technology
The dimming frequency and accuracy of the LED light source device are improved, reliability is increased, and the cost of the voltage source is reduced, while achieving high-power dimming.
✦ Generated by Eureka AI based on patent content.
Abstract
The embodiments of the present application provide a PWM dimming device, a fluorescence microscopy optical system, and a fluorescence-stained cell scanning and analysis system. The PWM dimming device includes: a voltage source; a PWM controller for controlling the on / off of the voltage source to output a pulsed voltage; an LED light source device to which the pulsed voltage is applied. The fluorescence microscopy optical system includes the above-mentioned PWM dimming device. The fluorescence-stained cell scanning and analysis system includes the above-mentioned PWM dimming device. The fluorescence-stained cell scanning and analysis system includes a fluorescence microscopy optical system. The embodiments of the present application solve the technical problems of low adjustment frequency and low adjustment accuracy of the traditional dimming device of the fluorescence-stained cell scanning and analysis system.
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