Abstract: The present disclosure relates to a negative ion generating device and an air purifier. The negative ion generating device includes a housing, a negative ion assembly, and a cleaning assembly. The negative ion assembly is arranged to the housing, and the negative ion assembly includes a conductive fiber brush. The cleaning assembly is arranged to the housing, the cleaning assembly includes a driving mechanism and a cleaning member, and the cleaning member can move under action of the power provided by the driving mechanism, and contact or separate from the conductive fiber brush during movement.

Abstract: A silencing device, an air purifier, and a method for producing the same are provided. The method includes that: a sound wave spectrum when an air purifier to be silenced performs operations is acquired; a frequency value, which exceeds a sound wave frequency limit for the air purifier, of the sound wave spectrum is calculated; and a silencing device adapted to the air purifier to be silenced is produced according to the frequency value. At least one structural parameter of the silencing device is configured according to the frequency value. The silencing device is configured to reduce a sound with the frequency value exceeding the sound wave frequency limit.

Abstract: The disclosure relates to an evaporating assembly and a humidifier. The evaporating assembly includes a fixing shaft and at least two evaporating bodies. Each of the evaporating bodies is provided with a mounting hole and at least one group of limiting portions, wherein each of the evaporating bodies is detachably mounted on to the fixing shaft via the mounting hole, and the limiting portions on every two of the evaporating bodies that are adjacent to each other are abuttingly mated so that a first gap is formed between every two of the adjacent evaporating bodies.

Abstract: The present disclosure relates to methods and devices for identifying an action. In some embodiments, a method for identifying an action includes: recording vibration trajectory information, wherein the vibration trajectory information corresponds to vibration of at least a portion of an intelligent device from a start of a vibration event to stabilization of the vibration event; determining whether the vibration is a damping vibration based on the vibration trajectory information; and in response to determining that the vibration is a damping vibration, determining that the vibration is caused by a user's trigger action, or in response to determining that the vibration is not a damping vibration, determining that the vibration is not caused by the user's trigger action.

Abstract: A method for obtaining a water amount for a humidifier, includes: obtaining a target humidification parameter for a space to be humidified; determining a water amount required for the humidifier to reach the target humidification parameter; and outputting a notifying message, the notifying message carrying the determined water amount.

Abstract: A vent assembly for a blowing device includes a frame defining an air outlet therein, and an air deflector pivotally provided in the air outlet and configured to open or close the air outlet. The air deflector is provided with a first attraction member, and the frame is provided with a second attraction member in a corresponding position and configured to attract the first attraction member when the air deflector is closed, such that the air deflector is arranged in a plane where the air outlet is.

Abstract: Methods, apparatuses, and storage mediums are provided for detecting water shortage for a humidifier. The method includes: obtaining a water level parameter of a water tank; determining a water level state of the water tank according to the water level parameter. When the water level state of the water tank is a water shortage state, energizing a valve connected to a water box so that water can be added to the water tank through the valve. A number of times of energizing the valve is recorded. When the number of times of energizing the valve exceeds a first preset number of times as well as when the water level state of the water tank determined every time after energization of the valve is the water shortage state, confirming that the water box is short of water.

Abstract: A method and a device are provided for controlling a rotation angle of a swinging head of a fan. The method may be applied in a fan adopting a brushless motor. An angle feedback device is arranged on the swinging head, and the swinging head is driven by the brushless motor to rotate. The device may acquire a parameter outputted by the angle feedback device, where the parameter varies with rotation of the swinging head. The device may calculate a current rotation angle of the swinging head according to the parameter outputted by the angle feedback device and a preset correspondence relationship between parameters and angles. The device may control the swinging head to rotate according to the current rotation angle of the swinging head and a preset target rotation angle.

Abstract: The present disclosure relates to a fan and a method and device for controlling the fan. The method includes controlling, via a support rod control device, a swinging motion of the swingable support rod, wherein the support rod control device is provided between the swingable support rod and the fan base; determining, when the swingable support rod is swinging, a current swing angle of the swingable support rod; determining a current distance between the fan and a user; determining, based on the current distance and the current swing angle, an axial rotation angle of the fan head; and rotating the fan head based on the axial rotation angle to direct air at the user.

Abstract: A positioning method includes: acquiring first positioning data of terminal equipment and second positioning data of a region where a shared resource is located; judging whether a distance between the terminal equipment and the region where the shared resource is located is in a specific range or not according to the first positioning data and the second positioning data; upon the distance between the terminal equipment and the region where the shared resource is located being in the specific range, determining a position of the shared resource based on Bluetooth data corresponding to the shared resource; and controlling the terminal equipment to present position information of the shared resource.

Abstract: The present disclosure relates to a method and device for adjusting operation data of an air-out device. The method may involve presenting an operation data adjustment interface for adjusting the operation parameter of the air-out device in response to a user selection of the interaction element for adjusting the operation parameter of the air-out device, obtaining an adjusted operation parameter of the air-out device, generating an adjusted operation data file based on the adjusted operation parameter that is obtained, and transmitting the adjusted operation data file to the air-out device.

Abstract: The disclosure relates to an evaporating assembly and a humidifier. The evaporating assembly includes a fixing shaft and at least two evaporating bodies. Each of the evaporating bodies is provided with a mounting hole and at least one group of limiting portions, wherein each of the evaporating bodies is detachably mounted on to the fixing shaft via the mounting hole, and the limiting portions on every two of the evaporating bodies that are adjacent to each other are abuttingly mated so that a first gap is formed between every two of the adjacent evaporating bodies.

Abstract: A water controller and a water controlling method are provided. The water controller includes: a water tank having a first water outlet; a magnetic control assembly; a water trough having a water inlet, the first water outlet being connected with the water inlet via the magnetic control assembly; an electromagnet configured to switch between a power-on state and a power-off state; wherein when the electromagnet is in a power-on state, a path between the first water outlet and the water inlet is in a connected state under control of the control assembly; and when the electromagnet is in a power-off state, the path between the first water outlet and the water inlet is in a blocking state under the control of the control assembly.

Abstract: A silencing device, an air purifier, and a method for producing the same are provided. The method includes that: a sound wave spectrum when an air purifier to be silenced performs operations is acquired; a frequency value, which exceeds a sound wave frequency limit for the air purifier, of the sound wave spectrum is calculated; and a silencing device adapted to the air purifier to be silenced is produced according to the frequency value. At least one structural parameter of the silencing device is configured according to the frequency value. The silencing device is configured to reduce a sound with the frequency value exceeding the sound wave frequency limit.

Abstract: A positioning method includes: acquiring first positioning data of terminal equipment and second positioning data of a region where a shared resource is located; judging whether a distance between the terminal equipment and the region where the shared resource is located is in a specific range or not according to the first positioning data and the second positioning data; upon the distance between the terminal equipment and the region where the shared resource is located being in the specific range, determining a position of the shared resource based on Bluetooth data corresponding to the shared resource; and controlling the terminal equipment to present position information of the shared resource.

Abstract: The present disclosure relates to a power line assembly and an electronic device using the power line assembly. The power line assembly may include: a power line; a power plug disposed at a first end of the power line and configured to couple with a power outlet; and a power line base disposed at a second end of the power line and having a top surface and a bottom surface, each of the top and bottom surfaces having one or more power-delivery contacts, wherein when the power line base couples with a power-receiving assembly of an electronic device, at least one of the power-delivery contacts contacts with a power-receiving contact of the power-receiving assembly, to deliver power to the electronic device.

Abstract: A mask includes a mask body and a support for supporting the mask body. The support includes a first sealing portion arranged on one end of the support and configured to be fitted to a nose of a user, and a second sealing portion arranged on the other end of the support and configured to be fitted to a lower jaw of the user.