CN-224220046-U - Suction type cleaning equipment

CN224220046UCN 224220046 UCN224220046 UCN 224220046UCN-224220046-U

Abstract

The application provides suction type cleaning equipment which comprises an airflow generator, a handle, a battery bin and a battery, wherein an air guide channel communicated with a second air outlet of the airflow generator is arranged in the handle, the air guide channel extends along the length direction of the handle and is obliquely arranged relative to the axial direction of the airflow generator, the battery bin is arranged in the inner cavity, a heat dissipation air inlet is arranged at the top, a heat dissipation air outlet is arranged at the side part or the bottom, the heat dissipation air inlet is communicated with the air guide channel, a connecting line from the heat dissipation air inlet to the heat dissipation air outlet forms an inclined line with the same inclined direction as the inclined direction of the air guide channel, and an included angle smaller than 90 degrees is formed between the inclined line and the central axis of the air guide channel. The airflow flowing to the battery compartment airflow flowing path does not have large-angle turning flowing close to or exceeding 90 degrees and excessive turning flowing, is beneficial to increasing the air quantity and reducing the wind loss and noise, is beneficial to the rapid and smooth flowing of the airflow, ensures that the airflow flows through the battery in a surrounding manner while reducing the complexity of the airflow flowing, and improves the heat dissipation efficiency and the heat dissipation uniformity of the battery.

Inventors

WU JIAZHENG
Request for anonymity
ZHOU JIAN

Assignees

麦清计划创新科技(苏州)有限公司

Dates

Publication Date: 20260512
Application Date: 20250512

Claims (10)

1. A suction cleaning device, comprising: the air flow generator is provided with an air extraction opening, a first air outlet and a second air outlet; The handle is internally provided with an air guide channel, a first end opening of the air guide channel is communicated with the second air outlet, and the air guide channel extends along the length direction of the handle and is obliquely arranged relative to the axial direction of the airflow generator; The battery compartment is provided with a battery in the inner cavity, the top is provided with a heat dissipation air inlet, the side part or the bottom is provided with a heat dissipation air outlet, the heat dissipation air inlet is communicated with the second end opening of the air guide channel, a connecting line from the heat dissipation air inlet to the heat dissipation air outlet forms an inclined line, and the inclined direction of the inclined line is the same as the inclined direction of the air guide channel and has an included angle smaller than 90 degrees with the central axis of the air guide channel.
2. The suction cleaning apparatus of claim 1 wherein the second end opening of the air guide channel has an outwardly flared region extending toward an axially forward side thereof, the axially forward side being axially closer to the first end opening, the heat dissipating air inlet communicating opposite the outwardly flared region, the heat dissipating air outlet being located axially rearward of the second end opening opposite the axially forward side.
3. The suction cleaning device of claim 1, wherein an included angle between a central axis of the air guide channel and a central axis of the airflow generator is A1,70 ° -A1-80 °; And/or the included angle between the inclined line and the central axis of the air guide channel is A2, wherein A2 is less than 70 degrees.
4. The suction type cleaning device as claimed in claim 1, wherein an opening area of the air extraction opening is smaller than a total opening area of the first air outlet and the second air outlet, and/or an opening area of the heat dissipation air inlet is smaller than an opening area of the heat dissipation air outlet.
5. The suction type cleaning device as claimed in claim 1, wherein a ratio of an opening area of the suction opening to a total opening area of the first air outlet and the second air outlet is F, and F is 1/3≤F≤1/2.
6. The extractor cleaning apparatus of claim 1 wherein the heat dissipation air intake includes a plurality of air vents arranged in a matrix.
7. The extractor cleaning apparatus of claim 1 wherein the battery in the battery compartment includes a plurality of battery cells and a first circuit board; The battery compartment is internally provided with a plurality of battery core monomers which are arranged along the front-back direction from the heat dissipation air inlet to the heat dissipation air outlet, and a heat dissipation runner extending along the circumference of the battery core monomers is arranged in the battery compartment; the first circuit board is arranged above the plurality of battery cells and a heat dissipation cavity is arranged between the first circuit board and the top wall of the battery compartment, the heat dissipation air inlet is communicated with the heat dissipation cavity and is positioned in the middle area of the heat dissipation cavity, and the heat dissipation air outlet is positioned below the first circuit board in the height direction.
8. The extractor cleaning apparatus of claim 1 further comprising a second circuit board disposed on the top wall of the battery compartment and positioned on a side of the heat dissipation intake proximate the central axis of the air duct and directly opposite the air duct.
9. The suction type cleaning apparatus as claimed in claim 1, wherein the handle comprises an outer case and an inner case, a groove for accommodating a wire harness is formed on an outer wall of the inner case, the inner case is sleeved with the outer case to enclose the groove and fix the wire harness, and a hollow inner cavity of the inner case forms the air guide passage.
10. The suction type cleaning apparatus as claimed in claim 9, wherein one of the inner case and the outer case is provided with a docking tab, the other one is provided with a docking slot into which the docking tab is inserted, so that the inner case and the outer case are docked, and a plurality of groups of the docking tabs and the docking slots are spaced apart in a circumferential direction.

Description

Suction type cleaning equipment Technical Field The application relates to the technical field of household cleaning appliances, in particular to a suction type cleaning device. Background Suction cleaning devices such as vacuum cleaners and the like typically include a dust separator, an airflow generator, a grip handle, a battery and the like. The dust separator is provided with an air inlet pipeline connected with the air extraction opening of the airflow generator, and the airflow generator is also provided with an air outlet which is in the same direction and is outside the equipment shell so as to discharge air. When the airflow generator operates, a suction effect is generated, and the dust separator adsorbs dust and airflow through a suction nozzle or a suction pipe connected to the air inlet pipeline and filters and removes dust from the airflow carrying the dust, so that dust removal and cleaning of the ground or objects are realized. In order to enhance the heat dissipation of the battery, an air outlet is usually formed at the air flow generator and an air duct leading to the battery is built in the device, and the air duct guides the air flow sent from the air outlet to the battery, so that part of the air flow flows through the battery and then flows to the outside, thereby dissipating the heat of the battery. However, as in the case of the air duct arrangement disclosed in CN108113571a, there is a problem that wind noise is large or heat dissipation of the battery is not uniform due to insufficient optimization of the flow path of the air flow in the device. Disclosure of utility model In view of the above, the present application provides a suction type cleaning apparatus which aims to reduce the flow complexity of an air flow in the interior of the apparatus by optimizing the flow path of the air flow, to reduce wind resistance, to reduce noise, to improve heat dissipation efficiency, and to improve heat dissipation uniformity of a battery by optimizing the flow path of the air flow in a battery compartment. The application provides an extractor cleaning device comprising: the air flow generator is provided with an air extraction opening, a first air outlet and a second air outlet; The handle is internally provided with an air guide channel, a first end opening of the air guide channel is communicated with the second air outlet, and the air guide channel extends along the length direction of the handle and is obliquely arranged relative to the axial direction of the airflow generator; The battery compartment is provided with a battery in the inner cavity, the top is provided with a heat dissipation air inlet, the side part or the bottom is provided with a heat dissipation air outlet, the heat dissipation air inlet is communicated with the second end opening of the air guide channel, a connecting line from the heat dissipation air inlet to the heat dissipation air outlet forms an inclined line, and the inclined direction of the inclined line is the same as the inclined direction of the air guide channel and has an included angle smaller than 90 degrees with the central axis of the air guide channel. In one possible embodiment, the second end opening of the air guiding channel has an outer expansion region extending toward an axially front side thereof, the axially front side being a side axially closer to the first end opening, the heat dissipation air inlet being in communication with the outer expansion region opposite thereto, and the heat dissipation air outlet being located at an axially rear side of the second end opening opposite to the axially front side. In one possible embodiment, the included angle between the central axis of the air guide channel and the central axis of the airflow generator is A1, and A1 is more than or equal to 70 degrees and less than or equal to 80 degrees; And/or the included angle between the inclined line and the central axis of the air guide channel is A2, wherein A2 is less than 70 degrees. In one possible implementation manner, the opening area of the air extraction opening is smaller than the total opening area of the first air outlet and the second air outlet, and/or the opening area of the heat dissipation air inlet is smaller than the opening area of the heat dissipation air outlet. In one possible implementation mode, the ratio of the opening area of the air extraction opening to the total opening area of the first air outlet and the second air outlet is F, and F is more than or equal to 1/3 and less than or equal to 1/2. In one possible embodiment, the heat dissipation air inlet includes a plurality of air inlets arranged in a matrix. In one possible embodiment, the battery in the battery compartment comprises a plurality of battery cells and a first circuit board; The battery compartment is internally provided with a plurality of battery core monomers which are arranged along the front-back direction from the heat dissipation air inlet to the hea