ELECTRONIC APPARATUS, METHOD OF CONTROLLING ELECTRONIC APPARATUS, POWER RECEPTION DEVICE, ELECTRIC DEVICE, AND SYSTEM

• US 20190067972A1
• Filed: 08/30/2018
• Published: 02/28/2019
• Est. Priority Date: 06/27/2013
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Yajima, Masakazu, Ichimura, Kiminobu, Ishida, Yuichi, Sugiyama, Yutaka, Muraoka, Yoshio
• Granted Patent: US 10,447,059 B2
• Time in Patent Office: Days
• CPC Class Codes: F28D 20/028 Control arrangements therefor
• CPC Class Codes: H01L 23/34 Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements thermal treatment apparatus H01L21/00
• CPC Class Codes: H01L 23/4275 by melting or evaporation of solids
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H01M 10/623 Portable devices, e.g. mobile telephones, cameras or pacemakers
• CPC Class Codes: H01M 10/659 by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
• CPC Class Codes: H01M 2220/30 Batteries in portable systems, e.g. mobile phone, laptop
• CPC Class Codes: H02J 50/05 using capacitive coupling
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/20 using microwaves or radio frequency waves
• CPC Class Codes: H02J 50/30 using light, e.g. lasers
• 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 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/0071 with a programmable schedule
• CPC Class Codes: H02J 7/007192 in response to temperature
• CPC Class Codes: H02J 7/04 Regulation of charging current or voltage
• CPC Class Codes: H05K 7/209 Heat transfer by conduction from internal heat source to heat radiating structure H05K7/20909 takes precedence
• CPC Class Codes: H05K 7/20945 Thermal management, e.g. inverter temperature control
• CPC Class Codes: Y02E 60/10 : Energy storage using batteries
• CPC Class Codes: Y02E 60/14 : Thermal energy storage

Abstract

There is provided an electronic apparatus including: a heating section; a heat storage section; a detection section configured to detect a heat storage amount of the heat storage section; and a control section configured to control operation of the heating section, based on the heat storage amount detected by the detection section.

Claims

1. A power receiving apparatus, comprising:

a power receiving circuit including a power receiving coil configured to receive a wireless power transmitted from a power transmitting apparatus;

a heat storage section;

a detection circuit configured to detect a temperature of the heat storage section; and

a control circuit configured to calculate a value based on the temperature of the heat storage section and to compare the calculated value with a first threshold value and a second threshold value,

wherein

when the calculated value is higher than the first threshold value and is lower than the second threshold value, the control circuit causes the power receiving apparatus to transmit a first request to the power transmitting apparatus, the first request requesting the power transmitting apparatus to decrease an amount of the wireless power, and

when the calculated value is higher than the second threshold value, the control circuit causes the power receiving apparatus to transmit a second request to the power transmitting apparatus, the second request requesting the power transmitting apparatus to stop transmitting the wireless power.

2. The power receiving apparatus according to claim 1, wherein the detection circuit detects the temperature and at least one of an electric resistance value, a volume, stress, or a strain of the heat storage section.

3. The power receiving apparatus according to claim 1, further comprising:

at least one component thermally coupled to the heat storage section.

4. The power receiving apparatus according to claim 3, wherein the at least one component includes one or more of a semiconductor circuit, a display, a battery, or charging circuitry configured to charge the battery.

5. The power receiving apparatus according to claim 4, wherein the at least one component includes the charging circuitry, the charging circuitry being electrically connected to the power receiving circuit to receive power for charging the battery.

6. The power receiving apparatus according to claim 1, further comprising:

a heat dissipation component thermally coupled to the heat storage section.

7. A power receiving apparatus, comprising:

a power receiving circuit including a power receiving coil configured to receive a wireless power transmitted from a power transmitting apparatus;

a heat storage section;

a detection circuit configured to detect a temperature of the heat storage section; and

a control circuit configured to calculate a value based on the temperature of the heat storage section and to compare the calculated value with a first threshold value and a second threshold value.

8. The power receiving apparatus according to claim 7, wherein the detection circuit detects the temperature and at least one of an electric resistance value, a volume, stress, or a strain of the heat storage section.

9. The power receiving apparatus according to claim 7, further comprising:

at least one component thermally coupled to the heat storage section.

10. The power receiving apparatus according to claim 9, wherein the at least one component includes one or more of a semiconductor circuit, a display, a battery, or charging circuitry configured to charge the battery.

11. The power receiving apparatus according to claim 10, wherein the at least one component includes the charging circuitry, the charging circuitry being electrically connected to the power receiving circuit to receive power for charging the battery.

12. The power receiving apparatus according to claim 7, further comprising:

a heat dissipation component thermally coupled to the heat storage section.

13. A power transmitting system comprising:

a power receiving apparatus including;

a power receiving circuit including a power receiving coil configured to receive a wireless power transmitted from a power transmitting apparatus,

a heat storage section,

a detection circuit configured to detect a temperature of the heat storage section, and

a control circuit configured to calculate a value based on the temperature of the heat storage section and to compare the calculated value with a first threshold value and a second threshold value; and

a power transmitting apparatus, the power transmitting apparatus being configured to;

receive a first request from the power receiving apparatus and decrease an amount of the wireless power to the power receiving apparatus when the calculated value is higher than the first threshold value and is lower than the second threshold value, and

receive a second request from the power receiving apparatus and stop transmitting the wireless power to the power receiving apparatus when the calculated value is higher than the second threshold value.

14. The power transmitting system according to claim 13, wherein the detection circuit detects the temperature and at least one of an electric resistance value, a volume, stress, or a strain of the heat storage section.

15. The power transmitting system according to claim 13, wherein the power receiving apparatus includes at least one component thermally coupled to the heat storage section.

16. The power transmitting system according to claim 15, wherein the at least one component includes one or more of a semiconductor circuit, a display, a battery, or charging circuitry configured to charge the battery.

17. The power transmitting system according to claim 16, wherein the at least one component includes the charging circuitry, the charging circuitry being electrically connected to the power receiving circuit to receive power for charging the battery.

18. The power transmitting system according to claim 13, wherein the power receiving apparatus includes a heat dissipation component thermally coupled to the heat storage section.