How does wet cleaning robot vacuum cleaner Xiaomi

Modern automatic cleaning systems have long ceased to be just vacuum cleaners, becoming complex smart devices that can maintain floor cleanliness with little or no human intervention. A particularly popular question among owners of smart equipment is how exactly the robot vacuum cleaner works wet cleaning, because this mode is radically different from dry dust collection and requires a special approach to maintenance and configuration.

Many users mistakenly believe that the robot wash completely replaces the hand cloth, however, the reality is that it is more of an advanced wipe system that effectively removes fresh stains, dust and light contaminants, but does not cope with old tracks without prior preparation.

In this article, we will discuss in detail the mechanics of the process, the design features of water tanks and the movement algorithms that allow the device to effectively clean flooring, preserving their appearance and extending the service life.

Principle of operation of the moisture system

The fundamental difference between Xiaomi’s wet-cleaning robot vacuum cleaners and conventional models is that it has a special module that delivers water to the nozzle in doses. Unlike older models where water was simply dripping by chance, modern devices use electronic fluid control.

The main element here is an electronic pump, or a gravity system with a smart valve, built into a removable container. When the user activates the mode in the application, the microcontroller receives a signal and opens the valve, allowing water to flow to the textile napkin attached to the bottom of the device.

It's important to understand that water doesn't spray under high pressure, like in carpet cleaners, but it evenly soaks the fabric, which in turn contacts the floor, and this provides a delicate cleaning that's safe for laminate and parquet.

• 🌊 Water is supplied in microscopic portions, which prevents the formation of puddles.
• 🧶 Textile wipe tightly pressed to the floor for better friction.
• ⚙️ The intensity of the supply is regulated programmatically via a smartphone.

⚠️ Warning: Never pour hot water or aggressive cleaning products into your water tank, as this can damage seals and an electronic pump inside the module.

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For better sliding and disinfection, you can add a cap of a special tool for robotic cleaning, if this is allowed by the instructions to your model.

Types of water supply systems in Xiaomi models

When you understand how wet cleaning works with a robot vacuum cleaner Xiaomi, you need to consider that different generations and series of devices use different technological solutions. Understanding the type of your system will help you to properly operate the device and avoid typical errors.

In budget and medium-sized models, you often see a gravitational system, where water flows to the napkin because of the natural pressure of the liquid column, and the position of the device is critical: if the robot is tilted or standing on the carpet, the water can stop flowing or, conversely, it can spill out too much.

More advanced series, such as the Xiaomi Vacuum-Mop or the flagship Roborock models (Xiaomi ecosystem), are equipped with an electronic pump. It automatically monitors water flow regardless of the inclination of the body, ensuring that the napkin is stable moist throughout the entire cleaning, even when working on high-pile carpets (unless the carpet mode turns off the water supply).

There is also a hybrid system with a vibration platform that mimics hand movements when washing the floor, and in such models, the vibration amplitude can reach 3,000 movements per minute, which greatly improves the efficiency of removing dried contaminants compared to static cleaning.

Set-up of intensity levels in the application

The cleaning process is controlled exclusively through the Mi Home or Xiaomi Home mobile application, and this is where the user sets the device’s behavior algorithms by choosing the appropriate water intensity level.

There are usually three or four basic modes available: low, medium, high and, in some models, smart mode. Low level is designed to keep clean on surfaces that are afraid of moisture, for example, on natural parquet or laminate with poor-quality joints.

Medium and high levels are used for tile, linoleum or porcelain porcelain, where more serious dirt or footprints are removed. In smart mode, the robot analyzes the degree of contamination (if there is a sensor) or simply delivers more water at the beginning of the cleaning and less at the end.

Keep in mind that mode choices have a direct impact on the autonomy of the operation, and the more intense the water is supplied, the faster the battery is consumed, since the pump also consumes energy.

Tank design and care

The durability of the wet cleaning system depends on proper water tank care, and the reservoir contains channels that can become clogged with mineral deposits over time, especially if hard tap water is used.

After each cleaning, it is recommended to drain the remaining water and wipe the tank with a dry cloth, which will prevent the appearance of an unpleasant odor and the reproduction of bacteria, which will then spread throughout the floor along with moisture.

Textile wipes need to be washed after 2-3 uses. Over time, the pile on the fabric is put down, and it collects dirt worse, so regular replacement of consumables is not marketing, but a necessity for quality work.

• 💧 Use filtered or boiled water to extend the life of the pump.
• 🧼 Wash your towel at 40 degrees without using a laundry conditioner.
• 🌡️ Keep the tank separate from the robot unless you plan to clean it soon.

Algorithms of movement and bypass of carpets

One of the most challenging tasks for a robot is to navigate when cleaning wet, and mapping algorithms must take into account not only the location of the furniture, but also the types of flooring to avoid carpets getting wet.

In the app, the user can virtually divide the map into rooms and set no-go zones, which is critical for wet cleaning: you can tell the robot to ignore certain areas or, conversely, only wipe the kitchen, leaving the living room for dry cleaning.

Modern models with laser rangefinder (LDS) or visual navigation (VSLAM) are able to automatically recognize carpets. When wet cleaning mode is activated, the robot will either round the carpet or, if the automatic lifting function is installed, simply pass over it without touching the pile with a rag.

⚠️ Note: If your robot does not have the function of automatically lifting the module, be sure to use virtual walls in the application so that it does not go on the carpet with a wet napkin.

The route of movement when washing floors is often different from vacuum cleaning. The robot can move "Z-shaped" or parallel strips with a slight overlap to ensure uniform moisture of the surface without skips.

Common problems and their solution

Even the most sophisticated technology can be difficult to do, and the most common problem is that the napkin is wetted unevenly, and if you notice dry stripes in the middle or puddles at the beginning of the journey, the problem may be clogging of the feed channels.

Another common scenario is that the robot gets lost or rushes around the room randomly, which often happens if the sensors are contaminated or if you rearrange the furniture without updating the map, in which case it helps to reset the map and build a new one.

Users also often complain that the robot smears dirt instead of removing it, which occurs when the napkin is too dirty or when the water level is exposed to a minimum for highly contaminated floors.

• 🔍 Check filters and brushes before each wet cleaning.
• 📱 Update the device firmware through the Mi Home app.
• 🧹 Regularly clean the drop sensors and bumper from dust.

If the robot makes strange noises when the pump is running, it may have air in the system. Try turning on and off the water supply mode several times while holding the device above the sink.

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Regular replacement of consumables (wipes, filters, side brushes) is more important than buying a more expensive model of a robot.

FAQ: Frequently Asked Questions