Nowadays, smart sweeping robots have been in service in many homes. It can be said that they are also able to stand alone in the field of household cleaning. Today, the author wants to discuss with you about the automatic recharge of the sweeping robot.
The automatic recharging of the sweeping robot is to continuously send a signal through the charging base, and then the receiver at the top of the robot receives the signal and successfully locates it, thus embarking on the “home†road. However, I believe that many users have encountered the failure of the sweeper to recharge in actual use. So, let's put aside the quality of the sweeper. What can we do when we encounter such a situation?
What kinds of automatic refilling technology for sweepers?
There are many technical principles for the automatic recharging technology of the sweeping machine. The most important ones are infrared positioning, Bluetooth positioning and radar positioning. And these three kinds of positioning technologies each have their own advantages, let's take a look at it first!
Infrared positioning
Infrared positioning accuracy is high, so about 70% of the models on the market use infrared positioning. However, the relatively weak link is that the light cannot penetrate the object, so that the infrared light can only be positioned within the line of sight. Once blocked by the object, the signal connection between the base and the sweeper will be lost. Therefore, the sweeper works in a dusty environment, and some dust debris can easily interfere with the infrared receiver on the fuselage, causing the sweeper to fail to recharge.
Ultrasonic radar positioning
Ultrasonic radar positioning, which is the bionic ultrasonic positioning technology, mainly uses reflective ranging to locate objects, and the principle is based on real bats. Ultrasonic radar positioning and ranging is greatly affected by multipath effect and non-line-of-sight propagation, and the production cost is higher, but the resolution of black objects and transparent objects is more accurate than infrared positioning.
Bluetooth technology
Bluetooth technology is positioned by measuring the strength of the model, and its power is relatively low. In general, positioning systems made with Bluetooth are relatively small in size, making them ideal for integration into the circuitry of a sweeper. The biggest advantage of using this technology is that the device is small and easy to integrate in small smart devices. Of course, in addition to the advantages, Bluetooth technology also has its corresponding shortcomings, that is, the cost of manufacturing Bluetooth devices and devices is relatively expensive, and for complex space environments, the stability of the Bluetooth system is poor, and the interference from noise signals is also compared. Large, so it is not too much to use in the sweeper industry.
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