The important method of spreading liquid snow melting agent is to spray it by sprinkler or liquid spreader, but many problems are encountered in the actual use.
1. The spraying dose cannot be accurately controlled.
2. Due to the complex road conditions, vehicles need to stop and go, and the driver needs to switch and spray frequently, which affects the driving safety.
3. Liquid snow melting agent needs to be mixed with a certain proportion of water. Due to different specific gravity, it is easy to form stratification in the tank.
4. The constant change of vehicle speed leads to uneven spraying.
To solve these difficult problems, our company and Douglas of the United States jointly developed a new intelligent liquid distribution equipment - liquid distributor. The specific solutions are as follows.
1. Roadmaster controller + PWM valve is adopted to control the speed of hydraulic motor through pulse width modulation to accurately control the spraying dose.
2. Use GPS module to output vehicle speed signal to control the start and stop of PWM valve.
3. Add a set of internal circulation pipeline to extract the bottom liquid and inject it from the top for circulation.
4. GPS module is used to output vehicle speed signal, and the opening of PWM valve is controlled in real time by Roadmaster controller to realize quantitative spraying.
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