Battery presence detecting method, apparatus and charging system
First Claim
1. A battery presence detecting apparatus, connected to a battery charging system, the apparatus comprising a detection triggering module, a logic control module, a charging and discharging balancing module, and a detection determining module, wherein:
- the detection triggering module is connected to a battery terminal in the battery charging system, is configured to detect a charging current on the battery terminal, and send a triggering signal to the logic control module when the charging current is less than a preset current threshold;
the logic control module is configured to send a charging closing instruction to the battery charging system and send a first operation instruction to the charging and discharging balancing module after the triggering signal is received;
the charging and discharging balancing module is configured to, after a charging loop of the battery charging system is turned off, perform a charging operation and then a discharging operation on the battery terminal according to the first operation instruction, and send a first detection instruction to the detection determining module when the discharging operation is performed on the battery terminal, wherein the charging and discharging balancing module comprises a first current source and a second current source, wherein a current of the first current source is the same as a current of the second current source, and wherein the first current source and the second current source separately perform the charging operation and the discharging operation; and
the detection determining module is configured to detect a voltage on the battery terminal in response to receiving the first detection instruction, and determine whether the voltage on the battery terminal is less than a preset detection voltage, and if the voltage on the battery terminal is less than the preset detection voltage, determine that a battery of the battery charging system is absent, and otherwise, determine that the battery is present, wherein the preset detection voltage is less than a working voltage when the battery is present.
1 Assignment
0 Petitions
Accused Products
Abstract
Embodiments of the present invention provide a battery presence detecting apparatus, including: a detection triggering module, configured to detect a charging current on a battery terminal and trigger a logic control module when the charging current is less than a preset current threshold; the logic control module, configured to turn off a battery charging system and instruct a charging and discharging balancing module to perform a charging operation and then a discharging operation on the battery terminal; and a detection determining module, configured to detect a voltage on the battery terminal when the discharging operation is performed and determine whether the voltage on the battery terminal is less than a preset detection voltage, and if the voltage on the battery terminal is less than the preset detection voltage, determine that the battery is absent, and otherwise, determine that the battery is present.
-
Citations
10 Claims
-
1. A battery presence detecting apparatus, connected to a battery charging system, the apparatus comprising a detection triggering module, a logic control module, a charging and discharging balancing module, and a detection determining module, wherein:
-
the detection triggering module is connected to a battery terminal in the battery charging system, is configured to detect a charging current on the battery terminal, and send a triggering signal to the logic control module when the charging current is less than a preset current threshold; the logic control module is configured to send a charging closing instruction to the battery charging system and send a first operation instruction to the charging and discharging balancing module after the triggering signal is received; the charging and discharging balancing module is configured to, after a charging loop of the battery charging system is turned off, perform a charging operation and then a discharging operation on the battery terminal according to the first operation instruction, and send a first detection instruction to the detection determining module when the discharging operation is performed on the battery terminal, wherein the charging and discharging balancing module comprises a first current source and a second current source, wherein a current of the first current source is the same as a current of the second current source, and wherein the first current source and the second current source separately perform the charging operation and the discharging operation; and the detection determining module is configured to detect a voltage on the battery terminal in response to receiving the first detection instruction, and determine whether the voltage on the battery terminal is less than a preset detection voltage, and if the voltage on the battery terminal is less than the preset detection voltage, determine that a battery of the battery charging system is absent, and otherwise, determine that the battery is present, wherein the preset detection voltage is less than a working voltage when the battery is present. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A battery presence detecting method, wherein the method comprises:
-
detecting a charging current on a battery terminal; turning off a charging loop of a battery charging system when the charging current is less than a preset current threshold; and
thereafterperforming a charging operation and then a discharging operation on the battery terminal using a first current source and a second current source, wherein a current of the first current source is the same as a current of the second current source, and wherein the first current source and the second current source separately perform the charging operation and the discharging operation, and detecting a voltage on the battery terminal during the discharging operation; and if the voltage on the battery terminal is less than a preset detection voltage, determining that a battery is absent;
otherwise, determining that the battery is present, wherein the preset detection voltage is less than a working voltage when the battery is present. - View Dependent Claims (9, 10)
-
Specification