Please select the most similar patent number from A, B, C and D. Which number is?
An evaporative air cooler comprises: a housing (1), wherein an accommodation cavity (2) having an opening is provided on the housing (1), and a wet curtain (12) can be assembled in the accommodation cavity (2). A water distribution structure (3) is provided above the accommodation cavity (2) and a water receiving device (4) is movably provided on an inner wall of the accommodation cavity (2). The water receiving device (4) comprises a water receiving cavity (13) having an opening facing the water distribution structure (3). When the wet curtain (12) is not assembled in the accommodation cavity (2), the water receiving cavity (13) is located directly below the water distribution structure (3), and is in a water receiving state; when the wet curtain (12) is assembled in the accommodation cavity (2), the water receiving cavity (13) is located obliquely below the water distribution structure (3), and is in a non-water receiving state. The accommodation cavity (2) is provided on the housing (1)/ The wet curtain (12) and the water receiving device (4) are assembled in the accommodation cavity (2), such that when a user does not need airflow of a low temperature, or forgets to install the wet curtain (12), the water receiving cavity (13) of the water receiving device (4) is provided directly below the water distribution structure (3) so as to receive water output by the water distribution structure (3), and store same in the water receiving cavity (13), thereby preventing water from spattering in the evaporative air cooler when the wet curtain (12) is not assembled, and avoiding a safety risk caused by water spattering on an electrical component.
A: Disclosed is a portable cooling fan, comprising a cooling fan body (1) and an externally connected bottle (2), wherein the bottle (2) is a commercially available mineral water bottle or a beverage bottle, a water tank (11) is arranged at the bottom of the cooling fan body (1), and a water receiving opening (111) of the water tank (11) is exposed from a housing of the cooling fan body (1). The portable cooling fan is characterized by further comprising a bonnet (3) capable of being connected to a bottle mouth of the bottle (2), a connecting part (31) capable of being connected to the bottle mouth of the bottle (2) is formed at the upper end of the bonnet (3), a first connecting port (311) capable of being adapted to be inserted into the bottle mouth is formed in the connecting part (31), an inserting part (32) capable of being adapted to the water receiving opening (111) of the water tank (11) is formed at the lower end of the bonnet (3), and when the bottle (2) is connected to the water receiving opening (111) of the water tank (11) by means of the inserting part (32) of the bonnet (3), the interior of the bonnet (3) is communicated so as to enable the bottle (2) to be in water communication with the water tank (11).
B: A kitchen appliance, comprising a water overflow structure, the water overflow structure being arranged in the main body of the kitchen appliance, a motor (1) being installed inside the main body, a main body upper cover (2) integrally connected with the main body for placing a container cup assembly being disposed above the motor (1), a motor shaft of the motor (1) having a transmission connection to a clutch assembly (3), a base (4) being mounted on the lower end of the main body, and the water overflow structure comprising: a main body upper cover (2) drainage structure, comprising at least one side drainage hole (5) disposed at the edge of the main body upper cover (2) and a first water-receiving component for transferring liquid in the side drain hole (5); and an interference drainage structure, comprising a water-receiving plate (6) for receiving liquid overflowing from the gap between the clutch assembly (3) and the main body upper cover (2), and a second water-receiving component for transferring the liquid in the water-receiving plate (6). Multiple drainage methods are used for drainage, increasing the safety of use.
C: An LED spotlight comprising one or more LED spotlight bodies. The LED spotlight body comprises a housing (1), a light base (2), a heat sink (3), a fan (4), a light plate (5), an LED chip (6), a lens (7), a lens plate (8), and a pressing ring (9). A fan plate (30) is mounted within the housing (1). An air outlet (301) is provided on the fan plate (30). The fan (4) is mounted on the fan plate (30) corresponding to the air outlet (301). The light plate (5) is mounted within an accommodating cavity (24) on the light base (2). The LED chip (6) is mounted on the light plate (5). The lens plate (8) is mounted within the accommodating cavity (24). The lens (7) is arranged between the light plate (5) and the lens plate (8). The pressing plate (9) is fixed on top of the light base (2). A cavity (401) is provided between the bottom of the housing (1) and the fan plate (30). An air outlet channel (12) in communication with the cavity (401) is provided on the housing (1). Air inlet channels (11) are provided above the fan plate (30) on the housing (1). The air inlet channels (11) are arranged opposite. The structure is capable of increasing heat dissipation performance.
D: Disclosed are an accommodation device for a stroller, and a stroller having the accommodation device. The accommodation device comprises a seat assembly (3) and an accommodation cavity (1), wherein the accommodation cavity (1) comprises a bearing portion (11) and a flexible circumferential enclosing portion (12), two opposite ends of which are both open ports; one open port of the circumferential enclosing portion (12) is fixedly covered by the bearing portion (11), and an upper open port forms an opening, in communication with the outside, of the accommodation cavity (1); and the accommodation cavity (1) can be rotated relative to the seat assembly (3) in a vertical plane so as to be switched between a lying state and a sitting state. The accommodation device further comprises at least one flexible adjustment strip (2), one end of the adjustment strip (2) being fixed to the seat assembly (3), and the other end thereof being fixed at a position, close to the opening, on a first side portion (121). By taking the direction of a rotary shaft of the accommodation cavity (1) as a transverse direction and by taking the direction perpendicular to the direction of the rotary shaft of the accommodation cavity as a longitudinal direction, when the accommodation cavity (1) is rotated to be in the sitting state relative to the seat assembly (3) in the vertical plane, a side, arriving at the topmost position, of the circumferential enclosing portion (12) of the accommodation cavity is the first side portion (121) of the circumferential enclosing portion (12), and a side opposite the first side portion (121) is a second side portion (122) of the circumferential enclosing portion (12). The bearing portion (11) has at least two areas which can be folded in the transverse direction and which form a first portion (111) relatively close to the first side portion (121) and a second portion (112) relatively far away from the first side portion (121). The bearing portion (11) is arranged above the seat assembly (3) in such a way that the bearing portion can move on the seat assembly (3). The adjustment strip (2) is tensioned between the seat assembly (3) and the first side portion (121) when the accommodation cavity (1) is in the sitting state. During the process of the accommodation cavity (1) being rotated to be in the sitting state, the second portion (112) moves to a position supported by the seat assembly (3) to form a seat portion, and when the accommodation cavity (1) is rotated to be in the sitting state, the first portion (111) is supported by the tensioned adjustment strip (2) to form a backrest portion at an angle to the second portion (112).
Answer: A