Wireless charging device and system thereof

• US 20180123368A1
• Filed: 12/27/2017
• Published: 05/03/2018
• Est. Priority Date: 12/29/2016
• Status: Abandoned Application

• Current Assignee: Haoxiang Electric Energy (Kunshan) Co., Ltd.
• Original Assignee: Haoxiang Electric Energy (Kunshan) Co., Ltd.
• Inventors: Tian, Yu, Jiang, Wenyan
• Application Number:
  US15/854,764
• Publication Number:
  US 20180123368A1
• Time in Patent Office: Days
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/00304 Overcurrent protection
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/0049 Detection of fully charged condition

Abstract

A wireless charging device includes: a battery management module, a transmission module, a charging module and a display module, which are electrically connected in sequence; wherein: the battery management module samples a charging voltage of a lithium battery in real time; the transmission module transmits the charging voltage to the charging module; the charging module adjusts a charging current according to the charging voltage received; and the display module displays the charging voltage and the charging current. As a result, the charging module communicates with the lithium battery being charged in real time, so as to obtain charging conditions of the lithium battery in time, which reduces charging abnormalities.

Claims

1. A wireless charging device, comprising:

a battery management module, a transmission module, a charging module and a display module, which are electrically connected in sequence;

wherein;

the battery management module samples a charging voltage of a lithium battery in real time;

the transmission module transmits the charging voltage to the charging module;

the charging module adjusts a charging current according to the charging voltage received; and

the display module displays the charging voltage and the charging current.

2. The wireless charging device, as recited in claim 1, wherein the transmission module comprises a wireless transmitting unit;

wherein the wireless transmitting unit is connected between the battery management module and the charging module, and wirelessly transmits the charging voltage to the charging module.

3. The wireless charging device, as recited in claim 2, wherein the transmission module further comprises a wireless receiving unit;

wherein the wireless receiving unit is connected to the wireless transmitting unit, and receives the charging voltage.

4. The wireless charging device, as recited in claim 1, wherein the charging module comprises a voltage detecting unit and a voltage warning unit connected to each other;

wherein;

the voltage detecting unit determines whether the charging voltage is higher than a preset voltage threshold; and

the voltage warning unit sends a voltage warning signal to the display module when the charging voltage is higher than the present voltage threshold.

5. The wireless charging device, as recited in claim 1, wherein the charging module comprises a current detecting unit and a current warning unit connected to each other;

wherein;

the current detecting unit determines whether the charging current is higher than a preset current threshold; and

the current warning unit sends a current warning signal to the display module when the charging current is higher than the present current threshold.

6. The wireless charging device, as recited in claim 1, wherein the battery management module comprises a battery connecting unit and a battering monitoring unit, which are electrically connected in sequence;

wherein;

the battery connecting unit stores at least one lithium battery to be charged; and

the battery monitoring unit samples the charging voltage of the lithium battery.

7. The wireless charging device, as recited in claim 3, further comprising a storage module and an output module connected to each other;

wherein;

the storage module records the charging voltage and the charging current in real time; and

the output module prints and outputs records of the charging voltage and the charging current.

8. The wireless charging device, as recited in claim 5, wherein the charging module further comprises a current control button and a switch button;

wherein;

the current control button adjusts the charging current;

the charging module communicates with the battery management module through the switch button when the lithium battery connected to the battery management module is detected; and

the charging module is cut off from the battery management module by the switch button when the charging voltage is higher than the preset voltage threshold.

9. The wireless charging device, as recited in claim 1, wherein the display module is placed at a front face of the charging module.

10. A wireless charging system, comprising:

a wireless charging device and electrical equipment;

wherein the wireless charging device comprises a battery management module, a transmission module, a charging module and a display module, which are electrically connected in sequence;

wherein;

the battery management module samples a charging voltage of a lithium battery in real time;

the transmission module transmits the charging voltage to the charging module;

the charging module adjusts a charging current according to the charging voltage received; and

the display module displays the charging voltage and the charging current;

wherein the wireless charging device is connected to the electrical equipment for supplying power to the electrical equipment.