Approaching the Spring Festival, every family will be glass window cleaning on the agenda. How do you clean glass in a high-rise apartment? Reporters visit found that in addition to manual window cleaning artifact, electric window cleaning robot more and more favored by the public. Do expensive window cleaning robots really work? On November 30, Nanjing Consumers association released a window cleaning robot evaluation and analysis report, the reporter learned at the scene, the merits of the performance of the window cleaning robot is not proportional to the price level.
Jiang Jingyi, reporter of Yangtze Evening News/Purple Cow News
Citizens reflect: more than 2000 window cleaning robot can not wipe dead Angle
"I spent more than 2,000 yuan to buy a window cleaning robot to clean Windows. It doesn't take much effort, but the cleaning effect is not as good as expected." Mr Zhang, a citizen in Jianye district, Nanjing, lives on the 21st floor, due to the adjacent road, the dust is larger, the Windows are very difficult to clean, "weekly call cleaning to wipe money and effort, their own wipe and wipe not clean, so from the Internet to see the window cleaning robot to buy.
Pour the clean water into the window cleaning robot, then the window cleaning robot adsorption on the glass, consumers manual remote control, electric window cleaning robot light and effortless, but the cleaning effect is not expected, "a lot of dead Angle can not wipe, heavy stains can not wipe off." Mr. Zhang bought a circular window cleaning robot, which is difficult to cover the four corners of the glass.
The reporter found in the online search, compared with dozens of dollars of manual window cleaning artifact, electric window cleaning robot price mostly in 1000-2000 yuan, there are more than 3000 window cleaning robot.
Comparative experiment: The more expensive the window cleaner, the better
Isn't the window cleaner the more expensive the better? From the nanjing consumer association market entities shop (home appliance sells), mainstream electric business platform (jingdong, purchase, Tmall Su Ningyi) bought 10 channels such as window robot, sample sales price from 830 yuan to 3280 yuan, involving the mainstream nine brands at home and abroad, the structure type contains caterpillar square wipe window machine and double rotary sucker oval window machine.
The reporter noted that there is no currently effective national mandatory or recommended standard for window cleaning robots in China, so this comparative test evaluation project referred to the relevant standards of similar products as far as possible.
"Mainly from cleaning, noise, battery life, energy consumption and other aspects of the experiment, the results found that the coverage of the 10 models of the overall performance is better, more than 95%, and the performance is not necessarily proportional to the price. In this test, the overall noise of the window cleaning robot is larger when it works, with the lowest average value reaching 58dB, and 7 prototypes reaching more than 60 db. More than 50dB will affect rest and sleep, so it is best to keep a certain distance between the machine and the machine when using it." Yu Qi, senior engineer of Nanjing Product Quality Supervision and Inspection Institute and National Smart Grid Quality Inspection Center, showed a number of window cleaning robots on the scene. On the same side of glass, Bogirl (HoBOT-388) sample can be wiped in 115 seconds, while BOBOT (WIN701) sample can be wiped in 348 seconds.
In addition, all models have anti-drop, path planning, starting point memory, remote control functions. The product with a high price supports more functions, while the product with a low price supports fewer functions, and some express functions cannot be implemented.
Expert advice: use dry wipe again wet wipe
"Consumer is in when choose and buy, should make clear oneself above all use demand, if the area of glass in the home, whether contains window of guard against theft, targeted ground is bought." Cao Wei, deputy secretary general of Nanjing Consumer Association, suggested that consumers should test the machine on the spot when they buy offline and check whether the range of noise is acceptable to them.
Although all models have anti-fall function, but should be used in the first safety rope, to prevent falling. Use should try to dry wipe to remove the surface sand, and then wet wipe, and spray cleaning fluid according to the requirements of the manual, to prevent the window cleaning robot because of wet cloth slippage phenomenon.
After use, consumers should clean the cloth and tracks of the machine in time (if any) to prevent excessive accumulation of dust and affect the cleaning effect of the next time. The battery of the window cleaning robot should be charged every once in a while (4-6 months is recommended) to ensure the service life of the lithium battery.
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