Waterproof detection circuit and battery pack
AssigneeShanghai Baicheng Electric Equipment Manufacture Co., Ltd.
InventorsGuofang Kuang, Huatian Luo
Life of this patent
Estimating the term…
Abstract
Provided are a waterproof detection circuit and a battery pack. The waterproof detection circuit is applied to a battery pack and includes a waterproof detection terminal, a waterproof detection module, and a switch module. A positive terminal of the battery pack is connected to a first terminal of a microcontroller of the battery pack. A negative terminal of the battery pack is connected to a second terminal of the microcontroller of the battery pack. The microcontroller of the battery pack is activated and controls the switch module to be conducted in response to an impedance change of the positive terminal of the battery pack and the negative terminal of the battery pack.
Claims17
A waterproof detection circuit, applied to a battery pack, comprising a waterproof detection terminal, a waterproof detection module, and a switch module;
- wherein
- a detection terminal of a microcontroller of the battery pack is connected to a first terminal of the waterproof detection module, a second terminal of the waterproof detection module is connected to a first terminal of the switch module, a control terminal of the microcontroller of the battery pack is connected to a second terminal of the switch module, and a third terminal of the switch module is connected to the waterproof detection terminal;
- a positive terminal of the battery pack is connected to a first terminal of the microcontroller of the battery pack, a negative terminal of the battery pack is connected to a second terminal of the microcontroller of the battery pack, and the microcontroller of the battery pack is activated and controls the switch module to be conducted in response to an impedance change of the positive terminal of the battery pack and the negative terminal of the battery pack;
- and
- the microcontroller of the battery pack is used for controlling the switch module, a charge Metal Oxide Semiconductor (MOS) of the battery pack, and a discharge MOS of the battery pack to be turned off when the positive terminal of the battery pack and the waterproof detection terminal satisfy a preset condition.
A battery pack, comprising a waterproof detection circuit, a positive terminal, a negative terminal, a microcontroller, a charge Metal Oxide Semiconductor (MOS), and a discharge MOS, wherein the waterproof detection circuit comprises a waterproof detection terminal, a waterproof detection module, and a switch module;
- wherein
- a detection terminal of the microcontroller of the battery pack is connected to a first terminal of the waterproof detection module, a second terminal of the waterproof detection module is connected to a first terminal of the switch module, a control terminal of the microcontroller of the battery pack is connected to a second terminal of the switch module, and a third terminal of the switch module is connected to the waterproof detection terminal;
- the positive terminal of the battery pack is connected to a first terminal of the microcontroller of the battery pack, the negative terminal of the battery pack is connected to a second terminal of the microcontroller of the battery pack, and the microcontroller of the battery pack is activated and controls the switch module to be conducted in response to an impedance change of the positive terminal of the battery pack and the negative terminal of the battery pack;
- and
- the microcontroller of the battery pack is used for controlling the switch module, the charge MOS of the battery pack, and the discharge MOS of the battery pack to be turned off when the positive terminal of the battery pack and the waterproof detection terminal satisfy a preset condition.
Dependencies are inferred from the claim text.