Abstract:
A battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping element R1, an energy storage circuit, and an energy superposition and transfer unit, wherein, the energy storage circuit is connected with the battery, and comprises a current storage element L1 and a charge storage element C1; the damping element R1, switch unit (1), current storage element L1, and charge storage element C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and is designed to control ON/OFF of the switch unit (1), so as to control the energy flowing between the battery and the energy storage circuit; the energy superposition and transfer unit is connected with the energy storage circuit, and is designed to transfer the energy in the energy storage circuit to an energy storage element after the switch unit (1) switches on and then switches off, and then superpose the remaining energy in the energy storage circuit with the energy in the battery. The heating circuit provided in the present invention can improve the charge/discharge performance of a battery, enhance the safety of battery heating, and improve the working efficiency of the heating circuit, and energy recycling can be achieved.
Abstract:
A battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping element R1, and an energy storage circuit, wherein, the energy storage circuit is connected with the battery, and comprises a current storage element L1 and a charge storage element C1; the damping element R1, switch unit (1), current storage element L1, and charge storage element C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and is designed to control ON/OFF of the switch unit (1), so that the energy can flow to and fro between the battery and the energy storage circuit when the switch unit (1) switches on. The heating circuit provided in the present invention can improve the charge/discharge performance of a battery, enhance the safety of battery heating, and improve the working efficiency of the heating circuit.
Abstract:
A battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping element R1, an energy storage circuit, and an energy superposition unit, wherein, the energy storage circuit is connected with the battery, and comprises a current storage element L1 and a charge storage element C1; the damping element R1, switch unit (1), current storage element L1, and charge storage element C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and designed to control ON/OFF of the switch unit (1), so as to control the energy flowing between the battery and the energy storage circuit; the energy superposition unit is connected with the energy storage circuit, and is designed to superpose the energy in the energy storage circuit with the energy in the battery after the switch unit (1) switches on and then switches off. The heating circuit provided in the present invention can improve the charge/discharge performance of a battery, enhance the safety of battery heating, and improve the working efficiency of the heating circuit.
Abstract:
A touch-sensitive screen (1) and a resistance touch-sensitive device using the same, wherein the screen (1) comprises: an insulating substrate (2), a rectangular conducting layer (3) formed on the insulating substrate (2), a conducting layer electrode (6) array formed on the four edges of the conducting layer (3), a conductive coat (5) separately formed on the conducting layer (3) via a spacer layer (4), and a conductive coat electrode (6’), wherein at least 3 pairs of the conducting layer electrodes (6) are deployed on the parallel edges of the conducting layer (3) symmetrically, and the conducting layer electrode (6) is set on each edge of the conducting layer (3).
Abstract:
The present invention provides a battery heating circuit, comprising a switch unit (10), a switching control module (100), a one-way semiconductor element D10, a damping element R, and a transformer (T), wherein, the switching control module (100) is electrically connected with the switch unit (10); the battery, damping element R, first winding of the transformer (T), and switch unit (10) are connected in series with each other to constitute a battery discharging circuit; the battery, damping element R, second winding of the transformer (T), and one-way semiconductor element D10 are connected in series with each other to constitute a battery charging circuit. The transformer in the present invention serves as an energy storage element, and has current limiting function. The present invention not only can limit the magnitude of current in the battery charging/discharging circuit, thereby the battery and switch unit can be protected against damage by heavy current, but also can reduce the energy loss in the heating process.
Abstract:
A battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping element R1, an energy storage circuit, and an energy transfer unit, wherein, the energy storage circuit is connected with the battery, and comprises a current storage element L1 and a charge storage element C1; the damping element R1 and switch unit (1) are connected in series with the energy storage circuit; the switching control module (100) is connected with the switch unit (1), and is designed to control ON/OFF of the switch unit (1), so as to control the energy flowing between the battery and the energy storage circuit; the energy transfer unit is connected with the energy storage circuit, and is designed to transfer the energy in the energy storage circuit to the energy storage element after the switch unit (1) switches on and then switches off. The heating circuit provided in the present invention can improve the charge/discharge performance of the battery, improve safety when the battery is heated, and also has an energy recycling function.
Abstract:
A battery heating circuit is provided, comprising a switch unit (1), a switching control module (100), a damping element R1, and an energy storage circuit, the energy storage circuit is designed to connected with the battery and comprises a current storage element L1 and a charge storage element C1; the damping element R1, switch unit (1), current storage element L1, and charge storage element C1 are connected in series; the switching control module (100) is connected with the switch unit (1) and is designed to control ON/OFF of the switch unit (1), so as to control energy flowing from the battery to the energy storage circuit only. The heating circuit provided in the present invention can improve the charge/discharge performance of the battery, improve safety when the battery is heated.
Abstract:
The present invention provides a battery heating circuit, comprising a plurality of switch units (1), a switching control module (100), a damping element R1, an energy storage circuit, and a polarity inversion unit (101), wherein, the energy storage circuit is connected with the battery, and comprises a current storage element L1 and a plurality of charge storage elements C1; the plurality of charge storage elements C are connected with the plurality of switch units (1) in series in one-to-one correspondence to form a plurality of branches; the plurality of branches are connected in parallel with each other and then connected with the current storage element L1 and damping element R1 in series; the switching control module (100) is connected with the switch units (1), and is configured to control ON/OFF of the switch units (1), so that the energy flows to and fro between the battery and the energy storage circuit when the switch units (1) switch on; the polarity inversion unit (101) is connected with the energy storage circuit, and is configured to invert the voltage polarity of the plurality of charge storage elements C1 after the switch units (1) switch from ON state to OFF state. The heating circuit provided in the present invention can improve charge/discharge performance of the battery, as well as safety and work efficiency in the battery heating process.
Abstract:
The present invention provides a battery heating circuit, wherein: a battery E, a damping element R1, a current storage element L1, a switch unit DK1 and a charge storage element C are connected in series to form a battery discharging circuit; a current storage element L2 is connected with an one-way semiconductor element D3 in series, and then the series circuit composed of the current storage element L2 and one-way semiconductor element D3 is connected in parallel to the ends of the switch unit DK1; the charge storage element C1, current storage element L2 and one-way semiconductor element D3 are connected in series in sequence to form a battery back-charging circuit; and a switch unit DK2 is connected in parallel to the ends of the serially connected charge storage element C1 and current storage element L2, and works together with the current storage element L2 to form a voltage regulation and polarity inversion circuit for the charge storage element C1. In the present invention, the voltage across the charge storage element C1 can be regulated flexibly by controlling the switch unit DK2 in the voltage regulation and polarity inversion circuit.
Abstract:
A method for eliminating background noise may comprise a) detecting a characteristic value of an audio signal to obtain a characteristic signal reflecting a change trend of the audio signal; b) multiplying the characteristic signal and the audio signal to obtain a product signal; and c) 5 amplifying the product signal proportionally and outputting the amplified product signal. A device for eliminating background noise is also disclosed.