Nanjing Chervon Industry Patente

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A power tool includes an electric motor including a drive shaft rotating about a drive axis; an output portion driven by the electric motor to output power; a housing for accommodating the electric motor; and at least one print circuit board (PCB) electrically connected to the electric motor, where at least part of the at least one PCB is covered with a three-dimensional (3D) printed protective layer. In this manner, the automated device is used to accurately coat regions to be protected on the PCB, and 3D printed protective layers may be stacked layer by layer, thereby improving the protection efficiency and reducing material waste.

Provided is a handheld power tool, including: an output shaft that defines an output axis; and an output housing that defines a first central axis passing through a geometric center, where a radial distance from the first central axis to an outer edge of the output housing is R; the output shaft includes a first position and a second position; when the output shaft is at the first position, a radial distance from the output axis to the first central axis is D1; and when the output shaft is at the second position, the radial distance from the output axis to the first central axis is D2, D1 being less than D2, D1 being greater than or equal to 0 and less than R, and D2 being greater than 0 and less than or equal to R.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

A charger includes: a housing; multiple power terminals supported by the housing and multiple power lines electrically connected to the multiple power terminals, where each of the multiple power lines is configured to power a charging link; a charging circuit including multiple charging paths, where at least one of the multiple power terminals is connectable to at least two of the multiple charging paths; and a controller connected to at least the charging circuit and the multiple power terminals. The controller is configured to control an output power of each of the multiple power terminals according to at least electrical parameters at the multiple power terminals.

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A wall-mountable storage system includes: a base detachably connected to a wall surface; and a storage container configured to be coupled to an item. A support component is configured to be detachably connected to the base. The storage system includes an adjustment portion, the storage container is detachably and fixedly connected to a first position on the base and a second position on the base, the storage container moves between the first position and the second position through the adjustment portion, and the storage container is connected to the base in a process where the storage container moves from the first position to the second position.

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Provided are a base station based on differential positioning technology, a base station addressing device, and a base station addressing method. The base station includes a base station body and a base station addressing device. The base station addressing device includes: an acquisition module configured to acquire satellite observation data at a current observation point; a calculation module configured to evaluate the observation quality at the observation point according to the satellite observation data; and an output module configured to output a first prompt according to the observation quality, where the first prompt indicates the suitability of the observation point for mounting the base station. The base station addressing device is detachably connected to the base station body so that the base station addressing device is capable of being detached from the base station body to perform an addressing task.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

The present disclosure provides an energy conversion device, an inversion device, and an energy conversion system. The energy conversion device includes: a first transmission port including a battery connection terminal adapted to be connected to a battery pack; a second transmission port at least connected to an alternating-current (AC) power grid; an energy conversion circuit that at least convert electric energy input from the first transmission port and then feed power to the second transmission port; and a controller at least in communication with the first transmission port, and electrically connected to the energy conversion circuit, where the controller is configured to at least control, when a temperature of the battery pack is less than or equal to a temperature threshold, the energy conversion circuit to convert the electric energy input from the first transmission port, such that the battery pack obtains at least heating energy.

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An electric power tool includes: a cutting assembly (120) that includes at least one cutting blade (122) and a cutting motor (M1) driving the cutting blade (122) to perform a cutting action; a power supply device (170) that is at least configured to supply power to the cutting motor (M1); and a controller (130) that is configured to estimate a moment of inertia of the cutting motor (M1), and control operation of the cutting motor (M1) according to the moment of inertia of the cutting motor (M1). The tool can realize fault detection on the cutting blade and control the operation of the cutting motor through the moment of inertia of the cutting motor, thereby improving reliability of the fault detection and control on the cutting blade.

Provided is a nail gun, including: a power assembly including at least a motor and a transmission assembly; a firing assembly including at least a cylinder assembly and a striker assembly; and a housing assembly including at least a first housing for a user to grip and a second housing for accommodating at least part of the firing assembly; where, at least part of the power assembly is located inside the first housing; and a distance D7 between a center of gravity of the nail gun and a central plane defined by the first housing along a front-rear direction and a vertical direction is less than or equal to 5 mm.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …