# US 2026/0074531 A1 · Charging station, wheeled power tool, and gateway device

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- Number: US 2026/0074531 A1
- Document ID: US20260074531A1
- Status: Published application
- Kind: A1
- Application number: 19/386,530
- Filed: 2025-11-12
- Published: 2026-03-12
- Earliest claimed: 2023-05-16
- Assignees: Nanjing Chervon Industry Co., Ltd.
- Applicants: Nanjing Chervon Industry Co., Ltd.
- Inventors: Keyao An; Di Wu; Zhiwei Xu; Xiong Fang; Libin Miao
- Web page: https://patentgrep.com/patent/US20260074531A1

## CPC

- H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones
- B60L 50/64: Constructional details of batteries specially adapted for electric vehicles
- B60L 53/14: Conductive energy transfer
- B60L 53/16: Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
- B60L 53/30: Constructional details of charging stations
- B60L 53/66: Data transfer between charging stations and vehicles
- H02J 7/45: between battery management systems and external servers (batteries used in smart grids for balancing of the load H02J3/32)
- H02J 7/70: characterised by the mechanical construction
- H02J 7/731: {specially adapted for holding portable devices containing batteries (H02J7/751 takes precedence)}
- H02J 7/751: {concerning the insertion or the connection of the batteries}
- H02J 7/80: including monitoring or indicating arrangements
- H04L 67/12: specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- A01D 69/02: electric
- A01D 2101/00: Lawn-mowers
- B60L 2200/40: Working vehicles
- H02J 2105/44: Portable electronic devices
- H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- A01D: HARVESTING; MOWING
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A charging station includes a charging station body including a housing and a bus interface disposed on the housing. The charging station further includes a gateway device with a wired connection and/or a wireless connection to the charging station body. The charging station performs data interaction with a power tool through the gateway device and/or the bus interface; and the charging station performs data interaction with a cloud server through the gateway device.

## Claims

### Claim 1

A charging station, comprising:
a charging station body comprising a housing and a bus interface disposed on the housing; and
a gateway device with at least one of a wired connection or a wireless connection to the charging station body;
wherein the charging station performs data interaction with a power tool through at least one of the gateway device or the bus interface, and the charging station performs data interaction with a cloud server through the gateway device.

### Claim 2 (depends on 1)

The charging station according to claim 1, wherein the gateway device is disposed outside the charging station body.

### Claim 3 (depends on 1)

The charging station according to claim 1, wherein the gateway device is built into the charging station body.

### Claim 4 (depends on 1)

The charging station according to claim 1, wherein the wired connection comprises a USB Type-C connection.

### Claim 5 (depends on 1)

The charging station according to claim 1, wherein the wireless connection comprises at least one of a Bluetooth connection, a cellular network connection, a local area network connection, or a Wi-Fi connection.

### Claim 6 (depends on 1)

The charging station according to claim 1, wherein data interaction between the gateway device and the power tool is implemented through at least one communication network of Bluetooth, a cellular network, a local area network, or Wi-Fi.

### Claim 7 (depends on 1)

The charging station according to claim 1, wherein the gateway device is charged by the charging station.

### Claim 8 (depends on 1)

The charging station according to claim 1, wherein the charging station body comprises a gateway interface configured to connect the gateway device.

### Claim 9 (depends on 8)

The charging station according to claim 8, wherein the gateway interface is disposed at a front end, a rear end, an upper end, a lower end, a left end, or a right end of the charging station body.

### Claim 10 (depends on 8)

The charging station according to claim 8, wherein the charging station body further comprises an interface guard cover moveable to cover the gateway interface.

### Claim 11 (depends on 1)

The charging station according to claim 1, wherein the charging station body is provided with a display interface that displays at least a connection state between the gateway device and the charging station body.

### Claim 12 (depends on 8)

The charging station according to claim 8, wherein the charging station body is fixed to a fixing surface through a mounting interface, and the gateway interface is coplanar with the mounting interface.

### Claim 13 (depends on 1)

The charging station according to claim 1, wherein an output power of the charging station is greater than or equal to 1600 W.

### Claim 14

A wheeled power tool, comprising:
a tool body;
a wheel group configured to support the tool body;
an electric motor configured to drive the wheel group;
an energy storage device mounted to the tool body and supplying electrical energy to at least the electric motor; and
a gateway device;
wherein the tool body has at least one of a wired connection or a wireless connection to the gateway device, the wheeled power tool performs data interaction with a power tool through the gateway device, and the wheeled power tool performs data interaction with a cloud server through the gateway device.

### Claim 15 (depends on 14)

The wheeled power tool according to claim 14, wherein the gateway device is powered by the energy storage device.

### Claim 16 (depends on 14)

The wheeled power tool according to claim 14, wherein the tool body is provided with a gateway interface configured to connect the gateway device.

### Claim 17 (depends on 16)

The wheeled power tool according to claim 16, wherein the gateway interface is disposed on the tool body.

### Claim 18 (depends on 16)

The wheeled power tool according to claim 16, wherein an interface guard cover is further provided at the gateway interface, and the interface guard cover is moveable to cover the gateway interface.

### Claim 19

A gateway device applicable to a power tool system comprising a power tool or a cloud server, comprising:
a housing;
a data transmission unit disposed in the housing; and
a battery unit disposed in the housing and supplying power to the data transmission unit;
wherein the gateway device performs, through the data transmission unit, data interaction with at least the power tool in at least a wireless manner or a wired manner and data interaction with the cloud server in a wireless manner, and the gateway device adaptively adjusts a data transmission speed according to a relevant parameter of the power tool.

### Claim 20 (depends on 19)

The gateway device according to claim 19, wherein a data transmission rate of the gateway device is greater than or equal to 2 kbps and less than or equal to 200 Mbps.
