Robot recharging dock and robot recharging system

• US 10,411,483 B2
• Filed: 11/30/2017
• Issued: 09/10/2019
• Est. Priority Date: 08/14/2017
• Status: Active Grant

• Current Assignee: UBTECH Robotics Corp.
• Original Assignee: UBTECH Robotics Corp.
• Inventors: Xiong, Youjun, Yan, Haiyue
• Primary Examiner(s): Diao, M Baye
• Application Number:
  US15/828,389
• Publication Number:
  US 20190052101A1
• Time in Patent Office: 649 Days
• Field of Search: 320107
• CPC Class Codes: H02J 2310/22 The load being a portable electronic device
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/0029 with safety or protection devices or circuits
• CPC Class Codes: H02J 7/0036 using connection detecting circuits H02J7/0034 takes precedence
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction

Abstract

The present disclosure relates to a recharging dock and a robot. The recharging dock may include: a recharging dock body and at least a pair of recharging contact pads configured on at least one side of the recharging dock body, at least one recharging switch circuit connecting to at least one recharging power supply respectively, and a sensing circuit. The sensing circuit is configured to turn on the recharging switch circuit upon detecting a magnetic component of a robot, and the recharging power supply may output a recharging voltage to the recharging contact pads. As such, the safety of the recharging dock of the robot may be improved.

Claims

1. A robot recharging dock, comprising:

a recharging dock body;

at least a pair of recharging contact pads configured on at least one side of the recharging dock body;

at least one recharging switch circuit, a recharging power supply connected to the recharging contact pads through the at least one recharging switch circuit; and

a sensing circuit connected to the at least one recharging switch circuit;

wherein the sensing circuit is configured to turn on the recharging switch circuit upon detecting a magnetic component of a robot, so that the recharging power supply outputs a recharging voltage to the recharging contact pads;

wherein the sensing circuit comprises;

a first resistor, a first capacitor, and a sensor;

wherein a first end of the first resistor connects to a first power supply, and a second end of the first resistor connects to a first end of the sensor;

a first end of the first capacitor connects to the first power supply, and a second end of the first capacitor is grounded; and

a second end of the sensor connects to the recharging switch circuit, and a third end of the sensor is grounded.

2. The robot recharging dock according to claim 1, wherein the recharging switch circuit comprises a switch-controlling circuit and an output circuit;

a first end of the switch-controlling circuit connects to the sensing circuit, and a second end of the switch-controlling circuit connects to a first end of the output circuit; and

a second end of the output circuit connects to the recharging power supply, and a third end of the output circuit connects to the recharging contact pads.

3. The robot recharging dock according to claim 2, wherein the switch-controlling circuit further comprises a first switch-controlling circuit and a second switch-controlling circuit;

the first switch-controlling circuit comprises a second resistor, a third resistor, and a first transistor;

a first end of the second resistor and a first end of the third resistor respectively connects to the second end of the sensing circuit, a second end of the second resistor connects to a second power supply;

a second end of the third resistor connects to a gate of the first transistor, a source of the first transistor connects to the second power supply, and a drain of the first transistor connects to the second switch-controlling circuit;

the second switch-controlling circuit comprises a fourth resistor, a second transistor, and a fifth resistor;

a first end of the fourth resistor and a source of the second transistor are grounded;

a second end of the fourth resistor and a gate of the second transistor connect to the drain of the first transistor; and

a drain of the second transistor connects to a first end of the fifth resistor, and a second end of the fifth resistor connects to the output circuit.

4. The robot recharging dock according to claim 3, wherein the output circuit comprises:

a second capacitor, a sixth resistor, and a third transistor;

a first end of the second capacitor, a first end of the sixth resistor, and a gate of the third transistor connect to the second end of the fifth resistor;

a second end of the second capacitor, a second end of the sixth resistor, and a source of the third transistor connect to a recharging power supply; and

a drain of the third transistor connects to the recharging contact pads.

5. The robot recharging dock according to claim 4, wherein the first transistor, the second transistor, and the third transistor are field effect transistors (FETs).

6. The robot recharging dock according to claim 5, wherein the first transistor and the third transistor are P-channel FETs, and the second transistor is an N-channel FET.

7. The robot recharging dock according to claim 1, wherein the sensor is a Hall sensor.

8. A robot recharging system, comprising:

a robot, and a recharging dock configured to charge the robot;

the recharging dock comprising;

a recharging dock body;

at least a pair of recharging contact pads is configured on at least one side of the recharging dock body;

at least one recharging switch circuit, a recharging power supply connected to the recharging contact pads through the at least one recharging switch circuit; and

a sensing circuit connected to the at least one recharging switch circuit;

wherein the sensing circuit is configured to turn on the recharging switch circuit upon detecting a magnetic component of the robot, so that the recharging power supply outputs a recharging voltage to the recharging contact pads;

wherein the sensing circuit comprises;

a first resistor, a first capacitor, and a sensor;

wherein a first end of the first resistor connects to a first power supply, and a second end of the first resistor connects to a first end of the sensor;

a first end of the first capacitor connects to the first power supply, and a second end of the first capacitor is grounded; and

a second end of the sensor connects to the recharging switch circuit, and a third end of the sensor is grounded.

9. The robot recharging system according to claim 8, wherein the recharging switch circuit comprises a switch-controlling circuit and an output circuit;

a first end of the switch-controlling circuit connects to the sensing circuit, and a second end of the switch-controlling circuit connects to a first end of the output circuit; and

a second end of the output circuit connects to the recharging power supply, and a third end of the output circuit connects to the recharging contact pads.

10. The robot recharging system according to claim 9, wherein the switch-controlling circuit further comprises a first switch-controlling circuit and a second switch-controlling circuit;

the first switch-controlling circuit comprises a second resistor, a third resistor, and a first transistor;

a first end of the second resistor and a first end of the third resistor respectively connects to the second end of the sensing circuit, a second end of the second resistor connects to a second power supply;

a second end of the third resistor connects to a gate of the first transistor, a source of the first transistor connects to the second power supply, and a drain of the first transistor connects to the second switch-controlling circuit;

the second switch-controlling circuit comprises a fourth resistor, a second transistor, and a fifth resistor;

a first end of the fourth resistor and a source of the second transistor are grounded;

a second end of the fourth resistor and a gate of the second transistor connect to the drain of the first transistor; and

a drain of the second transistor connects to a first end of the fifth resistor, and a second end of the fifth resistor connects to the output circuit.

11. The robot recharging system according to claim 10, wherein the output circuit comprises:

a second capacitor, a sixth resistor, and a third transistor;

a first end of the second capacitor, a first end of the sixth resistor, and a gate of the third transistor connect to the second end of the fifth resistor;

a second end of the second capacitor, a second end of the sixth resistor, and a source of the third transistor connect to a recharging power supply; and

a drain of the third transistor connects to the recharging contact pads.

12. The robot recharging system according to claim 11, wherein the first transistor, the second transistor, and the third transistor are FETs.

13. The robot recharging system according to claim 12, wherein the first transistor and the third transistor are P-channel FETs, and the second transistor is an N-channel FET.

14. The robot recharging system according to claim 8, wherein the sensor is a Hall sensor.