Haier Patente

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The present disclosure relates to the field of air conditioning, and specifically provides an air conditioning system and control method for blocking refrigerant leakage, which aims to solve the problem that the existing air conditioning system poses potential risks due to the inability to block refrigerant leakage in time. To this end, the air conditioning system of the present disclosure includes: a liquid-side control valve arranged in communication between a throttling device of the air conditioning system and an evaporator of the air conditioning system; a gas-side control valve arranged in communication between a compressor of the air conditioning system and the evaporator of the air conditioning system; a refrigerant concentration detector arranged on the evaporator and used to detect refrigerant concentration in a space around the evaporator; and a controller selectively controlling working states of the liquid-side control valve and the gas-side control valve according to a detection value of the refrigerant concentration detector. The present disclosure not only can automatically block the leakage of refrigerant, but also the present disclosure can reduce the number of components in the air conditioning system circuit, reduce assembly welding points, and at the same time reduce production costs.

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A drying system and a laundry treatment apparatus are provided. The laundry treatment apparatus includes a shell, and a filtering device (3) arranged in the housing. The filtering device (3) includes a filter screen (31) and a pull-out mechanism (32) for taking out and placing the filter screen (31), and the pull-out mechanism (32) includes a pull-out part (322) extending in a front-rear direction. A rear end of the pull-out part (322) is connected to the filter screen (31), and a front end is capable of being pulled out from a panel on a front side of the housing, and a decorative plate (323) for shielding the pull-out mechanism (32) is embedded in the panel. The pull-out part (322) of the pull-out mechanism (32) can be pulled out from the panel on the front side of the housing, so it is more convenient for user to clean, disassemble and assemble the filter screen (31). User does not need to move the laundry treatment apparatus, and can pull out the filter screen (31) without bending over to check the state of the filter screen (31), and clean and maintain the filter screen (31). Thereby the filter screen (31) is kept to stably work. A decorative plate (323) for shielding the pull-out mechanism (32) can make the panel integrity and aesthetics, and user's visual experience can be improved.

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A drying system (2) includes an air duct (21), arranged above a drum assembly (1) and being in communication with a drum assembly (1). An air inlet (11) and an air outlet (12) of the drum assembly (1) are arranged at a front end and a rear end of a top of the drum assembly respectively; and the air inlet (11) and the air outlet (12) are located on both sides of a central axis of the drum assembly (1) respectively. The air duct (21) includes a first air duct (211) extending rearward along an axial direction from the air inlet (11), and a second air duct (212) extending laterally from a rear end of the first air duct (211) and connected to the air outlet (12). The air inlet (11) and the air outlet (12) are arranged at the front and the rear of the top of the drum assembly (1), and arranged both sides of a center axis of a drum assembly (1), and the air duct (21) with L-shape is arranged above the drum assembly (1), so the drying system (2) can fully occupy the spaces of two sides above the drum assembly (1), and the arrangement is more compact. In addition, due to the arrangement of the air outlet, the condensed water can flow downward along an inner wall of an outer drum of the drum assembly (1) from the air outlet (12), so it is avoided that the condensed water wets laundry in an inner drum to keep the drying effect. A laundry treatment apparatus including the drying system is provided.

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An ice making assembly, including an ice making box body (10) and an ice making mechanism (20) cooperating with the ice making box body (10), the ice making mechanism (20) comprising an ice making portion (21) forming an ice compartment (211) and a water injection portion (22) forming a water injection chamber (221), the ice making portion (21) is connected to the water injection portion (22), the ice making mechanism (20) has a water injection space (23) communicating with an opening of the ice compartment (211), the water injection portion (22) has a water outlet (222) communicating with the water injection chamber (221), and the water outlet (222) is exposed in the water injection space (23); when the water injection portion (22) after water injection is used to inject water into the ice making portion (21), water in the water injection chamber (221) flows through the water outlet (222) and passes through the water injection space (23) before flowing into the ice compartment (211), thereby avoiding an occurrence of water splashing.

A drum washing machine comprising a drum (400), wherein a door (200) capable of being correspondingly opened and closed is provided at the drum opening; an automatic dispensing device (100) is mounted on the door (200); the automatic dispensing device (100) comprises: a liquid storage chamber (114) for storing washing additives; a water supply waterway (102) for controllably introducing inlet water flow of the drum washing machine; and an automatic dispensing mechanism (101) for extracting washing additives stored in the liquid storage chamber (114) and dispensing them into the drum (400) of the drum washing machine along with the inlet water flow introduced by the water supply waterway (102). Through this configuration, an automatic dispensing device is added to the door of the drum washing machine to achieve the effect of automatically dispensing washing additives into the drum using the dispensing device on the door of the drum washing machine, thereby achieving significant technical progress wherein the automatic dispensing device on the door can automatically dispense pre-stored washing additives into the drum during multiple washing programs. Meanwhile, the structure is simple, the effect is significant, and it is convenient for promotion and use.

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