US-20260128603-A1 - Electronic Device, Method For Manufacturing Electronic Device, And Battery Replacement Method

Abstract

An electronic device includes a replaceable battery and a charging device that charges the battery. The charging device includes a nonvolatile memory, a control circuit that performs charging control using a charging profile selected based on selection information from a plurality of charging profiles corresponding to batteries of a plurality of model numbers stored in the nonvolatile memory, and a charging circuit that charges the battery, based on the charging control.

Inventors

• Kinya MATSUDA

Assignees

• SEIKO EPSON CORPORATION

Dates

Publication Date

20260507

Application Date

20250923

Priority Date

20240924

Claims (14)

1. 1 . An electronic device comprising: a replaceable battery; and a charging device configured to charge the battery, the charging device comprising: a nonvolatile memory; a control circuit configured to perform charging control according to a charging profile selected based on selection information, from a plurality of charging profiles corresponding to batteries of a plurality of model numbers stored in the nonvolatile memory; and a charging circuit configured to charge the battery, based on the charging control.
2. 2 . The electronic device according to claim 1 , wherein the selection information is stored in the nonvolatile memory.
3. 3 . The electronic device according to claim 1 , wherein the selection information is set, based on a terminal setting of a circuit device used in the charging device.
4. 4 . The electronic device according to claim 1 , wherein the selection information is set at the time of manufacturing the electronic device or at the time of replacing the battery.
5. 5 . The electronic device according to claim 1 , wherein the charging profile includes a voltage threshold for determining overcharging.
6. 6 . The electronic device according to claim 1 , wherein the charging profile includes setting information of a charging control flow.
7. 7 . The electronic device according to claim 1 , wherein the charging profile includes a target current value of constant-current charging.
8. 8 . The electronic device according to claim 1 , wherein the charging profile includes a value of a constant voltage of constant-voltage charging.
9. 9 . The electronic device according to claim 1 , wherein the charging profile includes temperature management setting information for the charging of the battery.
10. 10 . The electronic device according to claim 1 , wherein the charging profile includes management setting information based on a charging history of the battery.
11. 11 . The electronic device according to claim 1 , wherein the charging device includes a power feeding circuit configured to supply power to a power feeding target device, based on a battery voltage of the battery, and the control circuit controls the power supply according to a discharging profile selected based on the selection information from a plurality of discharging profiles corresponding to batteries of a plurality of model numbers stored in the nonvolatile memory.
12. 12 . The electronic device according to claim 11 , wherein the discharging profile includes a voltage threshold for discharge stop determination.
13. 13 . A method for manufacturing an electronic device including a replaceable battery and a charging device configured to charge the battery, the charging device including: a nonvolatile memory; a control circuit configured to perform charging control according to a charging profile selected based on selection information, from a plurality of charging profiles corresponding to batteries of a plurality of model numbers stored in the nonvolatile memory; and a charging circuit configured to charge the battery, based on the charging control, the method comprising: setting, in the charging device, the selection information for selecting a first charging profile corresponding to a battery of a first model number when the battery of the first model number is incorporated in the electronic device; and setting, in the charging device, the selection information for selecting a second charging profile corresponding to a battery of a second model number when the battery of the second model number is incorporated in the electronic device.
14. 14 . A battery replacement method for an electronic device including a replaceable battery and a charging device configured charge the battery, the charging device including: a nonvolatile memory; a control circuit configured to perform charging control according to a charging profile selected based on selection information, from a plurality of charging profiles corresponding to batteries of a plurality of model numbers stored in the nonvolatile memory; and a charging circuit configured to charge the battery, based on the charging control by the control circuit, the method comprising: setting, in the charging device, the selection information for selecting a second charging profile corresponding to a battery of a second model number instead of the selection information for selecting a first charging profile corresponding to a battery of a first model number battery, when the battery of the electronic device is changed from the battery of the first model number to the battery of the second model number.

Description

The present application is based on, and claims priority from JP Application Serial Number 2024-165055, filed Sep. 24, 2024, the disclosure of which is hereby incorporated by reference herein in its entirety. BACKGROUND 1. Technical Field The present disclosure relates to an electronic device, a method for manufacturing an electronic device, a battery replacement method, and the like. 2. Related Art JP-T-2020-534781 discloses a charging station for charging an autonomous robot including a battery. When the autonomous robot is coupled to the charging station, the charging station receives an identifier indicating the type of the battery from the autonomous robot and charges the autonomous robot according to the charging profile. JP-T-2020-534781 is an example of the related art. In an electronic device, batteries of different model numbers may be used at the time of manufacturing or repair such as battery replacement. That is, with an electronic device in which a replaceable battery is incorporated, there are cases where the model number of the battery to be incorporated changes at the time of manufacturing or repair, but a technique for appropriately coping with such cases is not proposed. SUMMARY An aspect of the present disclosure relates to an electronic device including: a replaceable battery; and a charging device configured to charge the battery, the charging device including: a nonvolatile memory; a control circuit configured to perform charging control according to a charging profile selected based on selection information, from a plurality of charging profiles corresponding to batteries of a plurality of model numbers stored in the nonvolatile memory; and a charging circuit configured to charge the battery, based on the charging control. Another aspect of the present disclosure relates to a method for manufacturing an electronic device including a replaceable battery and a charging device configured to charge the battery, the charging device including: a nonvolatile memory; a control circuit configured to perform charging control according to a charging profile selected based on selection information, from a plurality of charging profiles corresponding to batteries of a plurality of model numbers stored in the nonvolatile memory; and a charging circuit configured to charge the battery, based on the charging control, the method including: setting, in the charging device, the selection information for selecting a first charging profile corresponding to a battery of a first model number when the battery of the first model number is incorporated in the electronic device; and setting, in the charging device, the selection information for selecting a second charging profile corresponding to a battery of a second model number when the battery of the second model number is incorporated in the electronic device. Still another aspect of the present disclosure relates to a battery replacement method for an electronic device including a replaceable battery and a charging device configured to charge the battery, the charging device including: a nonvolatile memory; a control circuit configured to perform charging control according to a charging profile selected based on selection information, from a plurality of charging profiles corresponding to batteries of a plurality of model numbers stored in the nonvolatile memory; and a charging circuit configured to charge the battery, based on the charging control by the control circuit, the method including: setting, in the charging device, the selection information for selecting a second charging profile corresponding to a battery of a second model number instead of the selection information for selecting a first charging profile corresponding to a battery of a first model number, when the battery of the electronic device is changed from the battery of the first model number to the battery of the second model number. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a configuration example of an electronic device according to an embodiment. FIG. 2 shows a detailed configuration example of the electronic device. FIG. 3 shows a configuration example of a charging circuit. FIG. 4 illustrates a technique for setting selection information using a nonvolatile memory. FIG. 5 illustrates a technique for setting selection information by terminal setting. FIG. 6 shows an example of a charging profile and a discharging profile. FIG. 7 shows a charging control flow of standard charging. FIG. 8 shows a charging control flow of fast charging. FIG. 9 shows a charging control flow of rapid charging. FIG. 10 illustrates a temperature management setting of constant-current charging. FIG. 11 illustrates a temperature management setting of constant-voltage charging. FIG. 12 illustrates a management setting based on a charging history. FIG. 13 is a flowchart illustrating operations according to the embodiment. FIG. 14 is a flowchart illustrating a method for manufacturing the electronic devi