Dust fullness detection device, base station and cleaning system

Abstract

The invention discloses a dust fullness detection device, a base station and a cleaning system.The dust fullness detection device is applied to a dust extraction device, the dust extraction device is provided with a dust collection unit and a dust extraction draught fan, a circulation cavity for air circulation is formed between the dust collection unit and the dust extraction draught fan, and through holes are formed in the cavity wall of the circulation cavity; the dust fullness detection device is mounted at the through hole and comprises an opening and closing mechanism and a triggering element; and when the internal pressure difference and the external pressure difference of the circulation cavity exceed a state change threshold value of the opening and closing mechanism, the opening and closing mechanism is changed to be in a communication state and enables the trigger element to play a role. According to the principle that the air duct is blocked after the dust collection unit is full of dust, so that the air pressure of the circulation cavity is reduced, and the opening and closing mechanism is pushed by the external air pressure to be opened, the opening and closing mechanism drives the trigger unit to play a role, dust full detection is achieved, and compared with an existing cleaning system, modification is small, cost is low, the leakproofness requirement is low, and detection is accurate.

Description

technical field [0001] The invention relates to the technical field of cleaning equipment, in particular to a dust full detection device, a base station and a cleaning system. Background technique [0002] At present, cleaning equipment in the form of sweeping robots, vacuum cleaners, and sweeping robots with base stations has become more popular. This type of cleaning equipment can greatly save manpower and improve the quality of life. Since the cleaning equipment needs to collect dust during the cleaning process, all cleaning equipment has dust collection units such as dust boxes and dust bags. The capacity of the dust collection unit is limited, so it is necessary to install a full dust detection device to detect the dust in the dust collection unit. Is it full? Some of the existing cleaning equipment is not equipped with a full dust detection device. Some equipment cannot use sensors to identify whether the garbage collection has been completed. It can only be controlled...

AI Technical Summary

Problems solved by technology

Since the cleaning equipment needs to collect dust during the cleaning process, all cleaning equipment has dust collection units such as dust boxes and dust bags. The capacity of the dust collection unit is limited, so it is necessary to install a full dust detection device to detect the dust in the dust collection unit. Is it full? Some of the existing cleaning equipment is not equipped with a full dust detection device. Some equipment cannot use sensors to identify whether the garbage collection has been completed. It can only be controlled by controlling the working time of the fan. Some equipment is equipped with a full dust detection device. equipment, but the recognition degree of dust is not high, and it is easy to trigger by mistake

The comparison document CN112013923A has a conventional sweeper dust bucket, mainly by identifying the current parameters and / or speed parameters of the dust extraction motor, the air pressure parameters in the dust bucket and the weight parameters of the dust bucket to identify whether the dust bucket is full of dust. The detection of this device is complicated. And it is easy to generate errors to make the base station make wrong judgments; the comparison document CN112515546A separates the inner cavity of the base station into a dust collection chamber for installing dust bags and a suction channel connected in parallel with the dust collection chamber, and dust is set in the suction channel. The full detection device can know the dust full state of the dust bag by detecting the changes of airflow, air pressure and other parameters in the air extraction channel. The implementation of this device is relatively complicated, and the airtightness of the base station cavity is relatively high.

Images