Dust collection system

The utility model provides a dust collection system, and relates to the technical field of cleaning electric appliances. The dust collection system comprises a base station, dust collection equipment, a locking assembly and a normally open device. The base station comprises a dust collection part and a suction device, the dust collection part is provided with a collection cavity and a dust collection opening communicated with the collection cavity, and the suction device can generate suction force towards the collection cavity to the dust collection opening. The dust collection equipment comprises a dust collection body, a dust cup and a dust cup cover, the dust cup is installed on the dust collection body, the dust cup cover is installed on the dust cup, the dust cup is provided with a dust collection cavity and a dust outlet communicated with the dust collection cavity, and the dust cup cover can close or open the dust outlet. The locking assembly is installed on the dust collection equipment and has an unlocking state and a locking state, and when the locking assembly is in the locking state, the locking assembly can lock the dust cup cover in the state that the dust outlet is closed. The normally-open device is arranged on the dust collection equipment and can push the dust cup cover to open the dust outlet. According to the embodiment of the invention, the problem that sundries in the dust cup cannot be cleaned completely in the prior art can be effectively solved.