Laser emission and counter control circuit and laser control device
CN224697210UActive Publication Date: 2026-08-28KUNSHAN SOOHOW INSTR CO LTD
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Patent Information
- Application Number
- CN202521789608.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-08-21
AI Technical Summary
Technical Problem
[0002]油液颗粒计数器光电池通过狭缝接收光电信号，激光管发光强度和油液颜色都会影响测试峰，颗粒计数器是通过不同颗粒大小产生不同峰高信号，不同颗粒数量进而影响油品污染度判定所以必须要有稳定光源；激光管发光不受控也会影响接收信号稳定性，从而影响颗粒数量的判断
Benefits of technology
[0034]本实用新型提供了一种激光发射与反控电路及激光控制设备，第一激光管的正极与电源信号输出端电连接，第一激光管的负极与第二三极管的输入端电连接，第二三极管的输出端与接地端电连接；第三三极管的控制端与控制信号输出端电连接，第三三极管的输入端与电源信号输出端电连接，第三三极管的输出端与第二三极管的控制端以及第一三极管的输入端均连接；第一三极管的控制端与第二激光管的正极电连接，第二激光管的负极与第三三极管的输入端电连接，第一三极管的输出端与第二三极管的控制端电连接。本实用新型实施例提供的电路能够根据接收信号调整激光强度，输出稳定强度激光，消除基线随时间的漂移，让信号更稳定，提高颗粒数量的判断精度。
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Figure CN224697210U_ABST
Abstract
The utility model discloses a laser emission and anti -control circuit and laser control equipment, the positive pole of first laser pipe is electrically connected with power signal output end, the negative pole of first laser pipe is electrically connected with the input of second triode, and the output of second triode is electrically connected with ground terminal, the control end of third triode is electrically connected with control signal output end, and the input of third triode is electrically connected with power signal output end, and the output of third triode is connected with the control end of second triode and the input of first triode, the control end of first triode is electrically connected with the positive pole of second laser pipe, and the negative pole of second laser pipe is electrically connected with the input of third triode, and the output of first triode is electrically connected with the control end of second triode. The circuit provided by the utility model embodiment can adjust laser intensity according to receiving signal, output stable intensity laser, eliminate the drift of baseline along with time, make signal more stable, and improve the judgment precision of particle quantity.
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