Gree Electric Appliances Patente

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A cold storage system, a control method for the cold storage system, and a storage medium. The cold storage system comprises: an outdoor unit (100), a refrigerant adjustment device (200) and an energy storage device (300). The outdoor unit (100) comprises a liquid side main pipe (101), a gas side main pipe (102) and a low pressure pipe (103). The refrigerant adjustment device (200) comprises a refrigerant storage member (210), a first pipe assembly (220) and a second pipe assembly (230). An inlet of the first pipe assembly (220) is communicated with the refrigerant storage member (210); an outlet of the first pipe assembly (220) is communicated with the low pressure pipe (103); an inlet of the second pipe assembly (230) is communicated with the liquid side main pipe (101): and an outlet of the second pipe assembly (230) is communicated with the refrigerant storage member (210) and the first pipe assembly (220). The energy storage device (300) is arranged in parallel between the liquid side main pipe (101) and the gas side main pipe (102).

The present application belongs to the field of temperature regulation and provides a control method and device for an air conditioner-water heater combined system, an electronic device, and an air conditioner-water heater combined system. When an air conditioner indoor unit and a water heater are both operated in a heating mode and a real-time water temperature of the water heater is greater than a set water temperature or a set outlet water temperature, it indicates that the water heater has surplus heat. In this case, whether a heating demand of a region where the air conditioner indoor unit is located is lower than a preset heating demand is determined. When the heating demand is lower than the preset heating demand, it indicates that the heating demand is relatively low, and the water heater is connected in series with the air conditioner indoor unit, such that the surplus heat in the water heater can be supplied to the air conditioner indoor unit connected in series, thereby reducing the heat supplied by a compressor to the air conditioner indoor unit and achieving an energy-saving effect.

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Disclosed are a cabinet air conditioner indoor unit and a control method thereof. The cabinet air conditioner indoor unit includes a housing (1) and an air duct assembly, wherein the housing (1) encloses a housing cavity (17), an upper front air port (151) and an upper rear air port (152) are formed at the upper portion of the housing (1), and a lower front air port (111) and a lower rear air port (141) are formed at the lower portion of the housing (1); the air duct assembly is formed with an upper air duct (24), a power blade cavity and a lower air duct (25) which are successively arranged; the upper air duct (24) is in communication with the upper front air port (151), the lower air duct (25) is in communication with the lower front air port (111), and the power blade cavity is in communication with the housing cavity (17); the upper air duct (24) is in communication with the power blade cavity, the lower air duct (25) is in communication with the housing cavity (17), and the cabinet air-conditioner indoor unit is formed with an upper air outflow main path which is supplied with air from the lower front air port (111) and supplied with air from the upper front air port (151); the upper air duct (24) is in communication with the housing cavity (17), the lower air duct (25) is in communication with the power blade cavity, and the cabinet air-conditioner indoor unit is formed with a lower air outflow main path which is supplied with air from the upper front air port (151) and supplied with air from the lower front air port (111); the upper rear air port (152) and/or the lower rear air port (141) are opened, the upper air duct (24) and the lower air duct (25) are both in communication with the power blade cavity, and the cabinet air conditioner indoor unit is formed with an upper air flow passage and a lower air flow passage which simultaneously discharge air from the upper front air port (151) and the lower front air port (111). The cabinet air conditioner indoor unit improves the air comfort.

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A pump body assembly, a rotary cylinder pump, and a heat exchange apparatus. The pump body assembly comprises a rotary shaft, a cylinder liner and a piston assembly, wherein the rotary shaft and the cylinder liner are eccentrically arranged with a fixed eccentric distance; the piston assembly has a variable volume cavity, the piston assembly is rotatably arranged in the cylinder liner, and the rotary shaft is in driving connection with the piston assembly; the cylinder liner is provided with a liquid suction port and a liquid discharge port; and the cylinder liner is also provided with a buffer groove, the cylinder liner has a liquid suction slot in an inner wall surface thereof, the liquid suction slot is in communication with the liquid suction port via the buffer groove, the buffer groove extends in the circumferential direction of the cylinder liner by a first preset distance to form a buffer groove having an arc-shaped cross section, and the liquid suction slot extends in the circumferential direction of the inner wall surface of the cylinder liner by a second preset distance to form a cross section having two opposite straight segments and arc segments connecting ends of the two straight segments, such that an obtuse angle C or a round angle D is formed at the intersection between the liquid suction slot and the buffer groove, which solves the problem in the prior art of a sharp angle or edge existing at the intersection between an inlet buffer groove and a liquid suction slot of a cylinder liner.

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The present disclosure provides a refrigeration device and a control method thereof. The refrigeration device comprises: a compartment configured to refrigerate stored articles; and an air supply device comprising an air supply channel and a fan, wherein the air supply channel is provided with a first air inlet, a second air inlet and an air outlet; the first air inlet is configured to communicate with external environment where the refrigeration device is situated to obtain fresh air, the second air inlet communicates with a return air channel of the refrigeration device to obtain frozen return air, the air outlet communicates with an interior of the compartment, and the fan is arranged inside the air supply channel and configured to drive the fresh air and the frozen return air to form mixed gas as a humidification source to enter the compartment. The control method of a refrigeration device comprises: starting the fan so that the fresh air and the frozen return air form the mixed gas to enter the compartment if a humidity of the compartment is less than a preset humidity. The refrigeration device and the control method thereof in the present disclosure can improve the control effect.