IP Library Granted Patent US 11,695,290
Granted Patent B2
US 11,695,290 · App. 17/483,475 · Granted Jul 4, 2023

Power supply method, control method, power source, and detection apparatus

Inventors: Jianhua Peng (Shenzhen, CN); Xingjie Wang (Dongguan, CN); Xuejuan Kong (Dongguan, CN)
Assignee: Huawei Digital Power Technologies Co., Ltd.
H02J7/0068H02M3/04H02M7/04
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,695,290
App. No.
17/483,475
Granted
Jul 4, 2023
Kind
B2
Abstract

Embodiments of this application disclose a power supply method, a control method, a power source, and a detection apparatus, to improve power supply efficiency of a power supply system. The method in the embodiments of this application includes: converting a voltage input into a power source into a first voltage, and supplying power to an energy-consuming component based on the first voltage; obtaining status information obtained after the energy-consuming component is powered on, where the status information includes identification information of the energy-consuming component or current working status information of the energy-consuming component; determining a second voltage based on the status information; and converting the voltage input into the power source into the second voltage, and supplying power to the energy-consuming component based on the second voltage.

Claims (59)

1. A power supply method, comprising:

converting a voltage input into a power source into a first voltage, and supplying power to an energy-consuming component based on the first voltage;

determining a second voltage based on status information obtained after the energy-consuming component is powered on, wherein the status information comprises identification information of the energy-consuming component or current working status information of the energy-consuming component, and wherein the status information is received wirelessly from a detection apparatus connected to the energy-consuming component; and

converting the voltage input into the power source into the second voltage, and supplying power to the energy-consuming component based on the second voltage.

2. The method according to claim 1 , wherein:

the converting the voltage input into the power source into the first voltage, and supplying power to the energy-consuming component based on the first voltage comprises:

converting input mains electricity into a direct current, converting a voltage input by the mains electricity into the first voltage, and supplying power to the energy-consuming component based on the first voltage; or

converting a voltage input by a battery into the first voltage, and supplying power to the energy-consuming component based on the first voltage.

3. The method according to claim 2 , wherein the method further comprises:

converting the first voltage into a third voltage, and supplying power to the battery based on the third voltage.

4. The method according to claim 1 , wherein:

the status information comprises model information of the energy-consuming component; and

the determining the second voltage based on the status information comprises:

determining voltage level information and a maximum steady-state input voltage of the energy-consuming component by querying a preset comparison table based on the model information, wherein the preset comparison table comprises a correspondence between different model information and voltage level information and maximum steady-state input voltages; and

responsive to determining, based on the voltage level information, that a voltage supported by the energy-consuming component is less than or equal to a preset voltage, determining that the second voltage is a preset second voltage; or

responsive to determining, based on the voltage level information, that the voltage supported by the energy-consuming component is greater than the preset voltage, obtaining the second voltage based on the maximum steady-state input voltage and a preset closed-loop feedback control system.

5. The method according to claim 1 , wherein:

the status information comprises load power percentage information of the energy-consuming component; and

the determining the second voltage based on the status information comprises:

determining an optimal voltage based on the load power percentage information and a rule table, wherein the optimal voltage is an output voltage of the power source when input power of the power source is a minimum at a determined load power percentage, and a correspondence between different load power percentages and different optimal voltages is preset in the rule table; and

determining that the second voltage is the optimal voltage.

6. A computer program product comprising instructions, wherein when the instructions are run on a computer, the computer is enabled to perform the method of claim 1 .

7. A power source, comprising:

a power conversion module connected to an energy-consuming component, and

a control module, wherein:

the power conversion module is configured to: convert a voltage input into the power source into a first voltage, and supply power to the energy-consuming component based on the first voltage;

the control module is configured to: obtain status information obtained after the energy-consuming component is powered on, wherein the status information comprises identification information of the energy-consuming component or current working status information of the energy-consuming component, and determine a second voltage based on the status information; and

the power conversion module is further configured to: convert the voltage input into the power source into the second voltage, and supply power to the energy-consuming component based on the second voltage,

wherein the status information is received wirelessly from a detection apparatus connected to the energy-consuming component.

8. The power source according to claim 7 , wherein the power conversion module comprises an AC to DC conversion submodule and a DC to DC conversion submodule, both the AC to DC conversion submodule and the DC to DC conversion submodule are connected to the energy-consuming component, and the AC to DC conversion submodule and the DC to DC conversion submodule are connected;

wherein the AC to DC conversion submodule is configured to: convert input mains electricity into a direct current, convert a voltage input by the mains electricity into the first voltage, and supply power to the energy-consuming component based on the first voltage, and is further configured to: convert the voltage input by the mains electricity into a direct current, convert the voltage input by the mains electricity into the second voltage, and supply power to the energy-consuming component based on the second voltage; or

wherein the DC to DC conversion submodule is configured to: convert a voltage input by a battery into the first voltage, and supply power to the energy-consuming component based on the first voltage, and is further configured to: convert the voltage input by the battery into the second voltage, and supply power to the energy-consuming component based on the second voltage.

9. The power source according to claim 8 , wherein:

the DC to DC conversion submodule is further configured to: convert the first voltage into a third voltage, and supply power to the battery based on the third voltage.

10. The power source according to claim 7 , wherein:

the status information comprises model information of the energy-consuming component; and

the control module is configured to: determine voltage level information and a maximum steady-state input voltage of the energy-consuming component by querying a preset comparison table based on the model information, wherein the preset comparison table comprises a correspondence between different model information and voltage level information and maximum steady-state input voltages; and responsive to determining, based on the voltage level information, that a voltage supported by the energy-consuming component is less than or equal to a preset voltage, determine that the second voltage is a preset second voltage; or responsive to determining, based on the voltage level information, that a voltage supported by the energy-consuming component is greater than the preset voltage, obtain the second voltage based on the maximum steady-state input voltage and a preset closed-loop feedback control system.

11. The power source according to claim 7 , wherein:

the status information comprises load power percentage information of the energy-consuming component; and

the control module is configured to: determine an optimal voltage based on the load power percentage information and a rule table, wherein the optimal voltage is an output voltage of the power source when input power of the power source is a minimum at a determined load power percentage, and a correspondence between different load power percentages and different optimal voltages is preset in the rule table; and determine that the second voltage is the optimal voltage.

12. A power supply system, comprising a power source and a detection apparatus, wherein:

the power source comprises a power conversion module connected to an energy-consuming component and a control module;

the detection apparatus includes a detection module and a feedback module;

the power conversion module is configured to: convert a voltage input into the power source into a first voltage, and supply power to the energy-consuming component based on the first voltage;

the detection module is configured to: after an energy-consuming component is powered on, detect status information of the energy-consuming component, wherein the status information comprises identification information of the energy-consuming component or current working status information of the energy-consuming component; and

the feedback module is configured to send the status information to the control module wirelessly;

the control module is configured to determine a second voltage based on the status information; and

the power conversion module is further configured to: convert the voltage input into the power source into the second voltage, and supply power to the energy-consuming component based on the second voltage.

13. The power supply system according to claim 12 , wherein the power supply system further comprises a battery, the power conversion module comprises an AC to DC conversion submodule and a DC to DC conversion submodule, both the AC to DC conversion submodule and the DC to DC conversion submodule are connected to the energy-consuming component, and the AC to DC conversion submodule and the DC to DC conversion submodule are connected;

wherein the AC to DC conversion submodule is configured to: convert input mains electricity into a direct current, convert a voltage input by the mains electricity into the first voltage, and supply power to the energy-consuming component based on the first voltage, and is further configured to: convert the voltage input by the mains electricity into a direct current, convert the voltage input by the mains electricity into the second voltage, and supply power to the energy-consuming component based on the second voltage; or

wherein the DC to DC conversion submodule is configured to: convert a voltage input by the battery into the first voltage, and supply power to the energy-consuming component based on the first voltage, and is further configured to: convert the voltage input by the battery into the second voltage, and supply power to the energy-consuming component based on the second voltage.

14. The power supply system according to claim 13 , wherein:

the DC to DC conversion submodule is further configured to: convert the first voltage into a third voltage, and supply power to the battery based on the third voltage.

15. The power supply system according to claim 12 , wherein:

the status information comprises model information of the energy-consuming component; and

the control module is configured to: determine voltage level information and a maximum steady-state input voltage of the energy-consuming component by querying a preset comparison table based on the model information, wherein the preset comparison table comprises a correspondence between different model information and voltage level information and maximum steady-state input voltages; and responsive to determining, based on the voltage level information, that a voltage supported by the energy-consuming component is less than or equal to a preset voltage, determine that the second voltage is a preset second voltage; or responsive to determining, based on the voltage level information, that a voltage supported by the energy-consuming component is greater than the preset voltage, obtain the second voltage based on the maximum steady-state input voltage and a preset closed-loop feedback control system.

16. The power supply system according to claim 12 , wherein:

the status information comprises load power percentage information of the energy-consuming component; and

the control module is configured to: determine an optimal voltage based on the load power percentage information and a rule table, wherein the optimal voltage is an output voltage of the power source when input power of the power source is a minimum at a determined load power percentage, and a correspondence between different load power percentages and different optimal voltages is preset in the rule table; and determine that the second voltage is the optimal voltage.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 31, 2021
From: HUAWEI TECHNOLOGIES CO., LTD.
To: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Reel/Frame 058601/0734 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 23, 2021
From: PENG, JIANHUA; WANG, XINGJIE; KONG, XUEJUAN
To: HUAWEI TECHNOLOGIES CO., LTD.
Reel/Frame 057582/0677 →
Priority Claims (1)
CN 201910243885.0 · Mar 28, 2019 · national
Continuity (2)
Continuation PCTCN2019127747 · Dec 24, 2019
Related Publication 20220014032A1 · Jan 13, 2022