CN-121976377-A - Fabric treatment equipment

CN121976377ACN 121976377 ACN121976377 ACN 121976377ACN-121976377-A

Abstract

The application provides fabric treatment equipment, and belongs to the technical field of fabric treatment equipment. The fabric treatment equipment directly converts waste heat which is generated by a motor and an electromagnetic clutch and can only radiate heat to a cabin into a heat-carrying medium of an auxiliary air path through a double-air-duct parallel and heat source built-in structure, and the heat-carrying medium is synchronously fed into a fabric treatment cylinder along with air flow, so that the air inlet enthalpy value can be improved without extra energy consumption in a drying stage, thereby reducing the heat load of a main drying air duct, reducing the cabin temperature rise, prolonging the service lives of an electric control and a sensor, and the auxiliary air path and the main drying air path are mutually independent, the waste heat recovery process does not interfere the normal operation of a main drying system, and adverse effects of heat on other electronic components in the cabin are avoided, so that the energy saving, reliability and compact space triple effects are achieved in a simplified air-duct isolation layout.

Inventors

REN HAO
XU HANGJUN
ZHANG SHUN
YANG JUNCHENG
Zhuo Yichan
LI HAIJIE

Assignees

珠海格力电器股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260402

Claims (10)

1. A fabric treatment apparatus comprising: a fabric treatment drum; the main drying air duct is communicated with the fabric treatment cylinder to form a main drying air path; an auxiliary air duct (80) communicating with the fabric treating drum to form an auxiliary air path independent of the main drying air path; a motor assembly (90) and an electromagnetic clutch assembly (20) positioned in the duct path of the auxiliary duct (80) and cooperatively driving the fabric treating drum in rotation; The main fan is arranged in the main drying air duct and is used for driving air flow in the main drying air duct; And the auxiliary fan (100) is arranged in the auxiliary air duct (80) and is used for driving air flow in an auxiliary air duct so as to bring waste heat generated by the motor assembly (90) and/or the electromagnetic clutch assembly (20) into the fabric treatment cylinder.
2. The fabric treatment apparatus of claim 1, wherein the fabric treatment apparatus comprises, The fabric treatment apparatus further comprises: A motor heat capture device (200) disposed in the auxiliary air duct (80) and thermally coupled to the motor assembly (90) for capturing motor waste heat, and A clutch heat capture device (300) disposed in the auxiliary air duct (80) and thermally coupled to the electromagnetic clutch assembly (20) for capturing clutch waste heat; Wherein the auxiliary fan (100) drives an auxiliary air path air flow through the motor heat capture device (200) and clutch heat capture device (300) to carry captured waste heat into the fabric treatment canister.
3. A fabric treating apparatus according to claim 2, wherein, The motor heat capturing device (200) comprises a motor heat radiating device which is in heat conduction fit with the driving motor shell, and the motor heat radiating device is provided with motor heat radiating fins which extend into the auxiliary air duct (80); And/or The clutch heat capture device (300) includes a clutch heat sink in thermally conductive engagement with a coil (203) of the clutch, the clutch heat sink having clutch heat fins extending into the auxiliary air duct (80).
4. A fabric treatment apparatus according to any one of claims 1 to 3, wherein, Along the direction of the air flow in the auxiliary air duct: the motor assembly (90) and the electromagnetic clutch assembly (20) are both located downstream of the auxiliary fan (100), wherein: -the electromagnetic clutch assembly (20) is closer to the air outlet of the auxiliary fan (100) with respect to the motor assembly (90); Or alternatively The electromagnetic clutch assembly (20) and the motor assembly (90) are arranged side by side in the same cross section perpendicular to the air supply direction.
5. A fabric treatment apparatus according to any one of claims 1-3, wherein an auxiliary heater (70) is further provided in the auxiliary air duct (80), along the direction of air flow in the auxiliary air duct (80): the auxiliary fan (100) is positioned at the air inlet end of the auxiliary air duct (80); the auxiliary heater (70) is positioned at the air outlet end of the auxiliary air duct (80); the motor assembly (90) and the electromagnetic clutch assembly (20) are located between the auxiliary fan (100) and the auxiliary heater (70).
6. A fabric treatment apparatus according to any one of claims 1 to 3, wherein, The fabric treatment equipment is pulsator type fabric treatment equipment; the air inlet end of the auxiliary air duct (80) is communicated with the bottom area of the side wall of the fabric treatment cylinder, and the air outlet end is communicated with the top area of the side wall of the fabric treatment cylinder so as to form auxiliary air flow from bottom to top in the cylinder.
7. A fabric treatment apparatus according to any one of claims 1-3, wherein the motor assembly (90) comprises a drive motor and a main drive shaft (10) coaxially connected to the drive motor: The electromagnetic clutch assembly (20) comprises a magnetic yoke (201) fixed to a main drive shaft (10), and an axially-actuatable armature (202), the armature (202) being configured to engage the magnetic yoke (201) upon energizing a corresponding coil (203) to obtain a torque; The fabric treatment apparatus is a pulsator type fabric treatment apparatus, further comprising: a first transmission assembly (30) and a second transmission assembly (40) disposed in correspondence with the electromagnetic clutch assembly (20); Wherein, the input end of the first transmission assembly (30) is in driving connection with one of the magnet yoke (201) and the armature (202), the output end of the first transmission assembly is connected to the inner cylinder (50) of the corresponding fabric treatment cylinder, and the input end of the second transmission assembly (40) is in driving connection with the other of the magnet yoke (201) and the armature (202), and the output end of the second transmission assembly is connected to the impeller chassis (60) of the corresponding fabric treatment cylinder.
8. The fabric treatment apparatus according to claim 7, wherein an input of the first transmission assembly (30) is in driving connection with the yoke (201) and an input of the second transmission assembly (40) is in driving connection with the armature (202).
9. The fabric treatment apparatus according to claim 8, wherein at least one of the attracting end faces of the yoke (201) and the armature (202) is provided with a plurality of magnetic units (2011), the magnetic units (2011) comprising permanent magnet units or magnetized magnetizer units exhibiting polarity, each of the magnetic units (2011) being arranged at intervals in the circumferential direction and at least part of the circumferential angles of the units being unequal to form a circumferential magnetic flux density difference and to generate tangential magnetic pulling force upon attraction.
10. The fabric treatment apparatus according to claim 9, characterized in that the fabric treatment apparatus has a micro-vibration washing mode in which the coil (203) of the electromagnetic clutch assembly (20) is applied with a high frequency pulse signal; The auxiliary air duct (80) is also provided with a radiating opening which is communicated with the external environment and can be opened and closed, wherein the radiating opening is controlled to be opened when the fabric treatment equipment runs in a micro-vibration washing mode.

Description

Fabric treatment equipment Technical Field The application relates to the technical field of fabric treatment equipment, in particular to fabric treatment equipment. Background In modern compact washing machines, the drive motor and the electromagnetic clutch are used as the core power components, and a large amount of waste heat is generated during operation. Due to the limited structural space, this heat is typically dissipated to the cabin interior by natural convection of air or by metal conduction of the body, resulting in localized temperature increases, affecting the stability and life of electronic control modules, sensors and other critical components, as well as energy waste. At present, the washing machine generally adopts a PTC heating element or an electric heating wire to dry clothes, has high energy consumption, and does not effectively utilize the existing heat source in the system. Disclosure of Invention The embodiment of the application provides fabric treatment equipment, waste heat which is originally only capable of radiating to a cabin by a motor and an electromagnetic clutch is directly converted into a heat-carrying medium of an auxiliary air path through a double-air-duct parallel and heat source built-in structure, and the heat-carrying medium is synchronously fed into a fabric treatment cylinder along with air flow, so that the air inlet enthalpy value can be improved without extra energy consumption in a drying stage, the cabin temperature rise is reduced while the heat load of a main drying air duct is reduced, the service life of an electric control and a sensor is prolonged, the auxiliary air path and the main drying air path are mutually independent, the normal operation of a main drying system is not interfered by the waste heat recovery process, the adverse effect of heat on other electronic components in the cabin is avoided, and the triple effects of energy conservation, reliability and space compactness are achieved by the simplified air duct isolation layout. Specific: A first aspect of an embodiment of the present application provides a fabric treatment apparatus comprising: a fabric treatment drum; the main drying air duct is communicated with the fabric treatment cylinder to form a main drying air path; the auxiliary air duct is communicated with the fabric treatment cylinder and forms an auxiliary air path independent of the main drying air path; The motor assembly and the electromagnetic clutch assembly are positioned in the air duct path of the auxiliary air duct and cooperatively drive the fabric treatment cylinder to rotate; The main fan is arranged in the main drying air duct and is used for driving air flow in the main drying air duct; the auxiliary fan is arranged in the auxiliary air duct and is used for driving air flow in the auxiliary air duct so as to bring waste heat generated by the motor assembly and/or the electromagnetic clutch assembly into the fabric treatment cylinder. In the above technical solution, the fabric treatment apparatus further includes: a motor heat capture device disposed in the auxiliary air duct and thermally coupled to the motor assembly for capturing motor waste heat, and A clutch heat capture device disposed in the auxiliary air duct and thermally coupled to the electromagnetic clutch assembly for capturing clutch waste heat; Wherein the auxiliary fan drives the auxiliary air path air flow through the motor heat capture device and the clutch heat capture device to carry captured waste heat into the fabric treatment canister. In the technical scheme, the motor heat capturing device comprises a motor heat radiating device which is in heat conduction fit with the driving motor shell, and the motor heat radiating device is provided with motor heat radiating fins which extend into the auxiliary air duct; And/or The clutch heat capturing device comprises a clutch heat radiating device which is in heat conduction fit with a coil of the clutch, and the clutch heat radiating device is provided with a clutch heat radiating fin which stretches into the auxiliary air duct. In the above technical solution, along the direction of the air flow in the auxiliary air duct: The motor assembly and the electromagnetic clutch assembly are both located downstream of the auxiliary fan, wherein: the electromagnetic clutch assembly is closer to the air outlet of the auxiliary fan relative to the motor assembly; Or alternatively The electromagnetic clutch assembly and the motor assembly are arranged side by side in the same section perpendicular to the air supply direction. In the above technical scheme, the auxiliary air duct is internally provided with an auxiliary heater, and the auxiliary heater is arranged along the air flow direction of the auxiliary air duct: The auxiliary fan is positioned at the air inlet end of the auxiliary air duct; The auxiliary heater is positioned at the air outlet end of the auxiliary air duct; The motor assembly and the