Outdoor moving device

Patent metadata

Field	Value
Publication number	US-12457938-B2
Application number	US-202418409050-A
Country	US
Kind code	B2
Filing date	Jan 10, 2024
Priority date	Jun 25, 2021
Publication date	Nov 4, 2025
Grant date	Nov 4, 2025

Abstract

An outdoor moving device includes a main body, a first energy storage device, a second energy storage device, and a connection assembly. The first energy storage device is capable of supplying power to the outdoor moving device and includes at least one first energy storage unit. The second energy storage device is capable of supplying power to the outdoor moving device and includes at least one second energy storage unit. The connection assembly is used for mounting the second energy storage device to the main body. The first energy storage device is detachably mounted to the main body, the first energy storage device is detachable from the main body to supply power to another power tool, the first energy storage unit includes a first positive electrode made of a first material, and the second energy storage unit includes a second positive electrode made of a second material.

First claim

What is claimed is:

1 . A tool system, comprising:
a riding lawn mower; and an adapter; wherein the riding lawn mower comprises:
a main body;
a seat mounted to and supported by the main body;
a moving wheel set comprising moving wheels supporting the main body;
a moving electric motor mounted to the main body and operably coupled to the moving wheel set for driving the moving wheel set to rotate;
a mowing electric motor mounted to the main body;
a mowing assembly including a mowing element operably coupled to the mowing electric motor for driving the mowing assembly to operate;
a first energy storage device removably mountable to the main body and electrically couplable to the mowing electric motor and the moving electric motor and comprising a first energy storage unit, wherein the first energy storage device is coupled to the main body in a first mounting manner;
a second energy storage device mountable to the main body and electrically couplable to the mowing electric motor and the moving electric motor and comprising a second energy storage unit, wherein the second energy storage device is coupled to the main body in a second mounting manner different from the first mounting manner; and
a charging circuit being electrically connectable to the first energy storage device and the second energy storage device,
wherein the first energy storage device is detachably mounted to the main body in the first mounting manner, the first energy storage device detachable from the main body and mountable to an another power tool to supply power to the another power tool different than the riding lawn mower, and the first energy storage device is further chargeable through the adapter after being detached from the main body of the riding lawn mower.

2 . The tool system of claim 1 , wherein the second energy storage device is fixedly connected to the main body in the second mounting manner.

3 . The tool system of claim 1 , wherein the second energy storage device is detachably connected to the main body in the second mounting manner.

4 . The tool system of claim 1 , wherein the main body comprises a housing formed with a first accommodation cavity and a second accommodation cavity, the first energy storage device is disposed in the first accommodation cavity, and the second energy storage device is disposed in the second accommodation cavity.

5 . The tool system of claim 1 , wherein the main body further comprises a charging interface connectable to an external power supply, and the external power supply is capable of charging the first energy storage device and the second energy storage device through the charging interface.

6 . The tool system of claim 1 , wherein a total energy of the first energy storage device is greater than or equal to 100 Wh and less than or equal to 1500 Wh.

7 . The tool system of claim 1 , wherein a ratio of a total energy of the second energy storage device to a total energy of the first energy storage device is greater than or equal to 1 and less than or equal to 50.

8 . The tool system of claim 1 , further comprising:
a discharging unit electrically connected to the second energy storage device and the first energy storage device and having a first discharge mode and a second discharge mode, wherein one of the first energy storage device or the second energy storage device supplies power to the riding lawn mower and another one of the first energy storage device or the second energy storage device does not supply power to the riding lawn mower when the discharging unit is in the first discharge mode, and the second energy storage device supplies power to the riding lawn mower and the first energy storage device also supplies power to the riding lawn mower when the discharging unit is in the second discharge mode; and a controller to control the discharging unit to be in the first discharge mode when voltages of the second energy storage device and the first energy storage device are different and control the discharging unit to be in the second discharge mode when the voltages of the second energy storage device and the first energy storage device are the same.

9 . The tool system of claim 1 , wherein the first energy storage unit comprises a first positive electrode made of a first material and the second energy storage unit comprises a second positive electrode made of a second material.

10 . The tool system of claim 1 , wherein an energy density of the second energy storage unit is different from an energy density of the first energy storage unit.

11 . The tool system of claim 1 , wherein the first energy storage device is disposed on an upper side of the second energy storage device.

12 . The tool system of claim 1 , wherein the first energy storage device is disposed on a front side of the second energy storage device.

13 . The tool system of claim 1 , wherein the first energy storage device is disposed on a rear side of the second energy storage device.

14 . The tool system of claim 1 , wherein the first energy storage device supplies power to the moving electric motor, and the second energy storage device supplies power to the moving electric motor.

15 . The tool system of claim 1 , wherein the first energy storage device comprises a battery pack detachably mounted to the main body, the battery pack comprises a battery pack interface, the main body is provided with a main body interface connectable to the battery pack interface, and the adapter is provided with an adapter interface connectable to the battery pack interface.

16 . A tool system, comprising:
a riding mower; and an adapter; wherein the riding mower comprises:
a main body comprising a frame, a seat mounted to the frame, an operating assembly for a user to operate, and a moving electric motor;
a moving wheel set comprising moving wheels supporting the main body and driven by the moving electric motor;
a first energy storage device supplying power to the moving electric motor and comprising at least one first energy storage unit, wherein the first energy storage device is coupled to the main body in a first mounting manner; and
a second energy storage device supplying power to the moving electric motor and comprising at least one second energy storage unit, wherein the second energy storage device is coupled to the main body in a second mounting manner different from the first mounting manner,
wherein the first energy storage device is detachably mounted to the main body in the first mounting manner, the first energy storage device is detachable from the main body to supply power to another garden tool, and the first energy storage device is further chargeable through the adapter after being detached from the main body.

17 . The tool system of claim 16 , wherein the second energy storage device is detachably connected to the main body in the second mounting manner.

18 . The tool system of claim 16 , wherein the main body further comprises a charging interface connectable to an external power supply, and the external power supply charges the first energy storage device and the second energy storage device through the charging interface.

19 . The tool system of claim 16 , wherein the first energy storage device comprises a battery pack detachably mounted to the main body, the battery pack comprises a battery pack interface, the main body is provided with a main body interface connectable to the battery pack interface, and the adapter is provided with an adapter interface connectable to the battery

Assignees

• Nanjing Chervon Ind Co Ltd

Inventors

• Yang Dezhong
• Liu Yangzi
• Li Li
• Li Ju
• Lu Changhai

Classifications

• H02J7/855

  with circuits adapted for supplying loads from the battery · CPC title

• H02J7/50

  acting upon multiple batteries simultaneously or sequentially · CPC title

• H02J7/933

  the cycle being controlled or terminated in response to electric parameters · CPC title

• H02J7/70

  characterised by the mechanical construction · CPC title

• H02J7/751

  concerning the insertion or the connection of the batteries · CPC title