Abstract: A wireless power supply device is adapted for providing electric power to an exterior electronic appliance. The wireless power supply includes a transmitting unit and a receiving unit. The transmitting unit includes a power unit for providing power to a voltage-controlled oscillator circuit and a signal amplification unit, the voltage-controlled oscillator circuit for receiving the power and then generating corresponding radio signals, the signal amplification unit for amplifying the radio signals generated by the voltage-controlled oscillator circuit and a transmitting antenna module for transmitting out the radio signals amplified by the signal amplification unit. The receiving unit includes a receiving antenna for wirelessly receiving the radio signals transmitted by the transmitting antenna module and then transforming the radio signals into electric power for being provided to the exterior electronic appliance.

Abstract: A battery charging circuit includes a power input unit for supplying power to charging units and a control module. Each charging unit includes a connecting port for connecting one battery, an electromagnetic coil and a switch module connected between the connecting port and the electromagnetic coil. The connecting ports are series-connected with one another. The control module is used for monitoring the voltage of the batteries and then controlling a work state of the switch modules by means of comparing a voltage variance between any two of the batteries with a specific data set in the control module so as to make the battery with a greatest voltage discharged to produce a discharge current for secondarily charging the other batteries by means of the electromagnetic coils when the voltage variance is greater than the specific data.

Abstract: A multi-cell battery pack charge balance circuit is connected to a recharge-discharge circuit to charge battery cells. The charge balance circuit includes a first balance circuit, a second balance circuit and a protection circuit. The first balance circuit is connected to a first node of the recharge-discharge circuit. The first balance circuit includes a plurality of controlling units, each of the controlling units includes a switch element and a resistor element connected with the switch element. The second balance circuit is connected to a second node of the recharge-discharge circuit and the first balance circuit. The second balance circuit has a first and second branch. The first branch includes a switch element. The second branch includes a switch element and a resistor element connected with each other. The protection circuit has a plurality of controlling points. The controlling points connect with the corresponding switch elements of the first and second balance circuits.

Abstract: A battery module adapted for supplying power to an electric equipment includes an energy battery device, a power battery device and a charging device. The energy battery device includes a plurality of parallel conductive plates and energy battery groups each connected between the neighboring two conductive plates and including a plurality of parallel-connected energy cells. The power battery device is adapted to be connected with the supplied electric equipment and includes a power battery group formed by a series-connection of a plurality of power cells. The charging device has two input terminals connecting the energy battery device therebetween and two output terminals connecting the power battery device therebetween so that the power battery group can be charged by the energy battery device, the two output terminals connected with the electric equipment for supplying power to the electric equipment by the energy cells.

Abstract: A control circuit includes a voltage-dividing resistor connected to a voltage input terminal, at least one thermal breaker series-connected between the voltage-dividing resistor and the ground and disposed near one corresponding battery, and an output terminal drawn forth from a connection location of the thermal breaker and the voltage-dividing resistor and adapted to be connected with a protective circuit. The thermal breaker breaks according to the temperature of the corresponding battery, and then the output terminal transmits different protective signals to the protective circuit according to the working state of the thermal breaker so as to make the protective circuit protect the battery based on the protective signals. Therefore, the control circuit of the present invention is relatively simpler and occupies a relatively smaller space so that can meet the demand of both miniaturization and low cost of electronic products.

Abstract: A battery module includes a battery case, at least a battery, and at least a thermal pad. The battery case includes a top cover and a bottom cover. The battery is received in the bottom cover of the battery case. The thermal pad is placed in a chamber of the batteries and pressed by the top cover of the battery case after the top cover and the bottom cover covering together. Therefore, the thermal energy created by the battery module can be easily transmitted to the outside of the battery module case along the thermal pad.

Abstract: A charging control circuit connected with a charging power supply for charging a pile formed by a series-connection of battery units includes a protecting circuit having control ports and monitoring ports, a charging circuit including diffluent circuits respectively parallel-connected to the corresponding battery units, and a control circuit including two parallel branches connected between the charging power supply and the pile. The monitoring ports are connected to two terminals of the corresponding battery units. Each diffluent circuit has a controlled switch element and a diffluent resistance element series-connected with each other. The controlled switch element has a switch control terminal connected to the corresponding control port. One of the branches has a third resistance element. The other branch has a fourth resistance element and a third switch element series-connected with each other. The third switch element has a third control terminal connected to the charging circuit.

Abstract: A battery charging apparatus connects secondary batteries of the battery pack, plurality of charge terminals and two discharge terminals to form plurality charge paths and a discharge path, which has a main switch provided on the discharge path, a main controller connecting the battery pack and the main switch, plurality of sub switches provided on the charge paths, plurality of sub controllers connecting secondary batteries of the battery pack and corresponding sub switches, a thermal controller connecting the main controller and a temperature switch. The temperature switch connects the sub switches. The main controller and sub controllers monitor charge state and discharge state of the battery pack to set the main switch and sub switches cut off the discharge path and the charge paths. The thermal controller monitors temperature of the battery pack and main switch to set the main switch and the sub switches cut off the discharge path and the charge paths.

Abstract: A multi-cell battery pack charge balance circuit is connected to a recharge-discharge circuit to charge battery cells. The charge balance circuit includes a first balance circuit, a second balance circuit and a protection circuit. The first balance circuit is connected to a first node of the recharge-discharge circuit. The first balance circuit includes a plurality of controlling units, each of the controlling units includes a switch element and a resistor element connected with the switch element. The second balance circuit is connected to a second node of the recharge-discharge circuit and the first balance circuit. The second balance circuit has a first and second branch. The first branch includes a switch element. The second branch includes a switch element and a resistor element connected with each other. The protection circuit has a plurality of controlling points. The controlling points connect with the corresponding switch elements of the first and second balance circuits.

Abstract: A battery charging apparatus connects secondary batteries of the battery pack, plurality of charge terminals and two discharge terminals to form plurality charge paths and a discharge path, which has a main switch provided on the discharge path, a main controller connecting the battery pack and the main switch, plurality of sub switches provided on the charge paths, plurality of sub controllers connecting secondary batteries of the battery pack and corresponding sub switches, a thermal controller connecting the main controller and a temperature switch. The temperature switch connects the sub switches. The main controller and sub controllers monitor charge state and discharge state of the battery pack to set the main switch and sub switches cut off the discharge path and the charge paths. The thermal controller monitors temperature of the battery pack and main switch to set the main switch and the sub switches cut off the discharge path and the charge paths.

Abstract: A battery module includes a battery case, at least a battery, and at least a thermal pad. The battery case includes a top cover and a bottom cover. The battery is received in the bottom cover of the battery case. The thermal pad is placed in a chamber of the batteries and pressed by the top cover of the battery case after the top cover and the bottom cover covering together. Therefore, the thermal energy created by the battery module can be easily transmitted to the outside of the battery module case along the thermal pad.