Power supply assembly and electronic device

• US 10,284,005 B2
• Filed: 09/26/2016
• Issued: 05/07/2019
• Est. Priority Date: 01/27/2016
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd.
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: Jiang, Feng, Wang, Long, Zhou, Li, Liu, Xingdong, Liu, Ke, He, Xuan
• Primary Examiner(s): Lin, Sun J
• Application Number:
  US15/532,010
• Publication Number:
  US 20180069427A1
• Time in Patent Office: 953 Days
• Field of Search: 320101
• CPC Class Codes: H01L 31/053 Energy storage means directly associated or integrated with the PV cell, e.g. a capacitor integrated with a PV cell energy storage means associated with the PV module H02S40/38
• CPC Class Codes: H01L 31/075 the potential barriers being only of the PIN type, e.g. amorphous silicon PIN solar cells
• CPC Class Codes: H02J 7/345 using capacitors as storage or buffering devices
• CPC Class Codes: H02J 7/35 with light sensitive cells
• CPC Class Codes: H02S 40/38 Energy storage means, e.g. batteries, structurally associated with PV modules
• CPC Class Codes: Y02E 10/548 Amorphous silicon PV cells
• CPC Class Codes: Y02E 10/56 Power conversion systems, e.g. maximum power point trackers
• CPC Class Codes: Y02E 70/30 Systems combining energy storage with energy generation of non-fossil origin

Abstract

A power supply assembly and an electronic device are disclosed. The power supply assembly includes a photoelectric converting element, a storage capacitor, an energy storage battery and an energy management module. The energy management module is configured to control the photoelectric converting element to charge the storage capacitor and the energy storage battery and control the storage capacitor to charge the energy storage battery. The power supply assembly can provide power stably in a longer term.

Claims

1. A power supply assembly, comprising a photoelectric converting element, a storage capacitor, an energy storage battery and an energy management module, wherein the energy management module is configured to control the photoelectric converting element to charge the storage capacitor and the energy storage battery, and control the storage capacitor to charge the energy storage battery.

2. The power supply assembly according to claim 1, wherein the energy management module comprises a detecting unit, a first switching unit, a second switching unit, a third switching unit and a control unit;

the detecting unit is configured to detect an output voltage of the photoelectric converting element, a dump energy of the storage capacitor, and a dump energy of the energy storage battery; and

the control unit is configured to control the photoelectric converting element to charge the energy storage battery through the first switching unit when the output voltage of the photoelectric converting element is greater than a first default value and the dump energy of the energy storage battery is less than a second default value, control the photoelectric converting element to charge the storage capacitor through the second switching unit when the output voltage of the photoelectric converting element is greater than the first default value and the dump energy of the storage capacitor is less than a third default value, and control the storage capacitor to charge the energy storage battery through the third switching unit when a stored power of the storage capacitor is greater than a fourth default value and the dump energy of the energy storage battery is less than the second default value, in which the fourth default value is less than the third default value.

3. The power supply assembly according to claim 2, wherein anodes of the photoelectric converting element comprise a first anode and a second anode which are insulated from each other, and cathodes of the photoelectric converting element comprise a first cathode and a second cathode which are insulated from each other;

anodes of the storage capacitor comprise a third anode and a fourth anode which are insulated from each other, and cathodes of the storage capacitor comprise a third cathode and a fourth cathode which are insulated from each other;

anodes of the energy storage battery comprise a fifth anode and a sixth anode which are insulated from each other, and cathodes of the energy storage battery comprise a fifth cathode and a sixth cathode which are insulated from each other;

the first switching unit is configured to control at least one of an on-off action between the first anode and the fifth cathode, or an on-off action between the first cathode and the fifth anode;

the second switching unit is configured to control at least one of an on-off action between the second anode and the fourth cathode, or an on-off action between the second cathode and the fourth anode; and

the third switching unit is configured to control at least one of an on-off action between the third anode and the sixth cathode, or an on-off action between the third cathode and the sixth anode.

4. The power supply assembly according to claim 3, wherein the photoelectric converting element comprises a p-type semiconductor layer, an n-type semiconductor layer, and an i-type semiconductor layer disposed between the p-type semiconductor layer and the n-type semiconductor layer;

the first anode and the second anode are disposed on a side of the n-type semiconductor layer away from the i-type semiconductor layer; and

the first cathode and the second cathode are disposed on a side of the p-type semiconductor layer away from the i-type semiconductor layer.

5. The power supply assembly according to claim 4, wherein the first anode and the second anode are respectively comb-shaped and intersected with each other, and the first cathode and the second cathode are respectively comb-shaped and intersected with each other.

6. The power supply assembly according to claim 3, wherein the storage capacitor comprises a first electrolyte layer;

the third anode and the fourth anode are disposed on a side of the first electrolyte layer; and

the third cathode and the fourth cathode are disposed on another side of the first electrolyte layer.

7. The power supply assembly according to claim 6, wherein the third anode and the fourth anode are respectively comb-shaped and intersected with each other;

and the third cathode and the fourth cathode are respectively comb-shaped and intersected with each other.

8. The power supply assembly according to claim 3, wherein the energy storage battery comprises a second electrolyte layer;

the fifth anode and the sixth anode are disposed on a side of the second electrolyte layer; and

the fifth cathode and the sixth cathode are disposed on another side of the second electrolyte layer.

9. The power supply assembly according to claim 8, wherein the fifth anode and the sixth anode are respectively comb-shaped and intersected with each other;

and the fifth cathode and the sixth cathode are respectively comb-shaped and intersected with each other.

10. The power supply assembly according to claim 3, wherein the first anode and the second anode are respectively comb-shaped and intersected with each other, and the first cathode and the second cathode are respectively comb-shaped and intersected with each other.

11. The power supply assembly according to claim 1, further comprising a base substrate, wherein the photoelectric converting element, the storage capacitor and the energy storage battery are disposed on the base substrate.

12. The power supply assembly according to claim 11, wherein the photoelectric converting element, the storage capacitor and the energy storage battery are disposed on each other on the base substrate.

13. The power supply assembly according to claim 12, wherein the energy storage battery, the storage capacitor and the photoelectric converting element are disposed on the base substrate in sequence.

14. The power supply assembly according to claim 13, wherein an insulating layer is respectively disposed between the energy storage battery and the storage capacitor, and between the storage capacitor and the photoelectric converting element.

15. The power supply assembly according to claim 11, wherein the photoelectric converting element, the storage capacitor and the energy storage battery are disposed in a same layer on the base substrate.

16. An electronic device, comprising the power supply assembly according to claim 1.

17. The power supply assembly according to claim 1, wherein anodes of the photoelectric converting element comprise a first anode and a second anode which are insulated from each other, and cathodes of the photoelectric converting element comprise a first cathode and a second cathode which are insulated from each other;

anodes of the storage capacitor comprise a third anode and a fourth anode which are insulated from each other, and cathodes of the storage capacitor comprise a third cathode and a fourth cathode which are insulated from each other;

anodes of the energy storage battery comprise a fifth anode and a sixth anode which are insulated from each other, and cathodes of the energy storage battery comprise a fifth cathode and a sixth cathode which are insulated from each other;

a first switching unit is configured to control at least one of an on-off action between the first anode and the fifth cathode, or an on-off action between the first cathode and the fifth anode;

a second switching unit is configured to control at least one of an on-off action between the second anode and the fourth cathode, or an on-off action between the second cathode and the fourth anode; and

a third switching unit is configured to control at least one of an on-off action between the third anode and the sixth cathode, or an on-off action between the third cathode and the sixth anode.

18. The power supply assembly according to claim 1, wherein the photoelectric converting element comprises a p-type semiconductor layer, an n-type semiconductor layer, and an i-type semiconductor layer disposed between the p-type semiconductor layer and the n-type semiconductor layer;

a first anode and a second anode are disposed on a side of the n-type semiconductor layer away from the i-type semiconductor layer; and

a first cathode and a second cathode are disposed on a side of the p-type semiconductor layer away from the i-type semiconductor layer.