Charging and discharging management apparatus and mobile terminal
View Patent ↗Embodiments of the present invention disclose a charging and discharging management apparatus and a mobile terminal. The charging and discharging management apparatus may include a charging and discharging management chip, primary battery positive and negative electrode contacts, secondary battery positive and negative electrode contacts, and electronic switches connected to the primary battery positive and negative electrode contacts and the secondary battery positive and negative electrode contacts, a detecting unit configured to detect in-place states of a primary battery and a secondary battery, and an electronic switch controlling unit connected to the detecting unit and configured to control the electronic switches to be on/off according to the in-place states of the batteries to enable the charging and discharging management chip to perform charging and discharging management for a battery in place.
1. A charging and discharging management apparatus comprising:
a charging and discharging management chip;
primary battery positive and negative electrode contacts;
secondary battery positive and negative electrode contacts;
electronic switches connected to the primary battery positive and negative electrode contacts and the secondary battery positive and negative electrode contacts;
a detecting unit configured to detect in-place states of a primary battery and a secondary battery; and
an electronic switch controlling unit connected to the detecting unit and configured to control the electronic switches to be on or off according to the in-place states of the batteries, so that the charging and discharging management chip performs charging and discharging management for a battery in-place;
wherein the electronic switch controlling unit comprises:
a controller;
a first control interface connected to the controller, and connected to the primary battery negative electrode contact and the secondary battery positive electrode contact through the electronic switches;
a second control interface connected to the controller;
a comparator comprising a first comparator input end connected to the secondary battery positive electrode contact, a second comparator input end configured to input a fixed voltage, and a comparator output end;
an AND gate comprising a first AND gate input end connected to the comparator output end, a second AND gate input end connected to the second control interface, and an AND gate output end connected to the primary battery positive electrode contact and the secondary battery negative electrode contact through the electronic switches,
wherein the controller controls the electronic switches to be on or off by using the first control interface and the second control interface to enable the charging and discharging management chip to perform charging and discharging management for a battery in-place.
2. The charging and discharging management apparatus according to claim 1 , wherein the controller controls the electronic switches to be on or off by using the first control interface according to the in-place states of the primary battery and the secondary battery detected by the detecting unit, so that the primary battery negative electrode contact is connected to the charging and discharging management chip while the secondary battery positive electrode contact is not connected to the charging and discharging management chip, or that the primary battery negative electrode contact is not connected to the charging and discharging management chip while the secondary battery positive electrode contact is connected to the charging and discharging management chip.
3. The charging and discharging management apparatus according to claim 2 , wherein when the detecting unit detects that the primary battery is in place while the secondary battery is out of place, the controller controls the electronic switches to be on or off by using the first control interface so that the primary battery negative electrode contact is connected to the charging and discharging management chip while the secondary battery positive electrode contact is not connected to the charging and discharging management chip.
4. The charging and discharging management apparatus according to claim 2 , wherein when the detecting unit detects that the secondary battery is in place while the primary battery is out of place, the controller controls the electronic switches to be on or off by using the first control interface so that the primary battery negative electrode contact is not connected to the charging and discharging management chip while the secondary battery positive electrode contact is connected to the charging and discharging management chip, and the controller enables the AND gate by using the second control interface to output HIGH at the AND gate output end to control the electronic switch so that the secondary battery negative electrode contact is connected to the charging and discharging management chip.
5. The charging and discharging management apparatus according to claim 1 , wherein the primary battery negative electrode contact is further connected to the charging and discharging management chip through a diode.
6. The charging and discharging management apparatus according to claim 1 , wherein the number of the secondary battery positive and negative electrode contacts is at least one pair.
7. A mobile terminal comprising:
a primary battery;
a secondary battery; and
the charging and discharging management apparatus according to claim 1 , wherein the charging and discharging management apparatus supplies power for the mobile terminal by using the primary battery or the secondary battery.
8. The mobile terminal according to claim 7 , wherein the mobile terminal is a mobile phone.
9. A mobile terminal comprising:
a primary battery;
a secondary battery; and
the charging and discharging management apparatus according to claim 2 , wherein the charging and discharging management apparatus supplies power for the mobile terminal by using the primary battery or the secondary battery.
10. A mobile terminal comprising:
a primary battery;
a secondary battery; and
the charging and discharging management apparatus according to claim 3 , wherein the charging and discharging management apparatus supplies power for the mobile terminal by using the primary battery or the secondary battery.
11. A mobile terminal comprising:
a primary battery;
a secondary battery; and
the charging and discharging management apparatus according to claim 4 , wherein the charging and discharging management apparatus supplies power for the mobile terminal by using the primary battery or the secondary battery.
12. A mobile terminal comprising:
a primary battery;
a secondary battery; and
the charging and discharging management apparatus according to claim 5 , wherein the charging and discharging management apparatus supplies power for the mobile terminal by using the primary battery or the secondary battery.
13. A mobile terminal comprising:
a primary battery;
a secondary battery; and
the charging and discharging management apparatus according to claim 6 , wherein the charging and discharging management apparatus supplies power for the mobile terminal by using the primary battery or the secondary battery.
14. A mobile terminal comprising:
a primary battery; a secondary battery; and
the charging and discharging management apparatus according to claim 7 , wherein the charging and discharging management apparatus supplies power for the mobile terminal by using the primary battery or the secondary battery.
15. The charging and discharging management apparatus according to claim 2 , wherein the primary battery negative electrode contact is further connected to the charging and discharging management chip through a diode.