Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit 1, a switching control module 100, a damping component R1, an energy storage circuit, an energy limiting circuit, and an energy control unit for energy storage circuit, wherein: the energy storage circuit is connected with the battery and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1, and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1, and is configured to control ON/OFF of the switch unit 1, so that the energy can flow back-and-forth between the battery and the energy storage circuit when the switch unit 1 switches on.

Abstract: Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery (E1) and a second battery (E2), the heating circuit comprises a first switch unit (10), a second switch unit (20), a damping component R1, a damping component R2, a current storage component L1, a current storage component L2, a switching control module (100) and a charge storage component C, the first battery, damping component R1, current storage component L1, first switch unit (10) and charge storage component C are connected in series to form a first charging/discharging circuit; the second battery (E2), damping component R2, current storage component L2, charge storage component C and second switch unit (20) are connected in series to form a second charging/discharging circuit; when the charge storage component C is charged or discharges, the direction of charging/discharging current in the second charging/discharging circuit is reverse to the direction of charging/discharging cu

Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit 1, a switching control module 100, a damping component R1, and an energy storage circuit, wherein: the energy storage circuit is connected with the battery and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1 and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1 and is configured to control ON/OFF of the switch unit 1, so as to control the energy flowing between the battery and the energy storage circuit. For example, the heating circuit can improve the charge/discharge performance of the battery, improve safety when the battery is heated, and effectively protect the battery.

Abstract: According to some embodiments of the present invention, a battery heating circuit comprises a switch unit 1, a switching control module 100, a damping component 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 component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1, and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1, and configured to control ON/OFF of the switch unit 1, so as to control the energy flowing between the battery and the energy storage circuit.

Abstract: According to some embodiments, a battery heating circuit, comprising a switch unit 1, a switching control module 100, a damping component 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 component L1 and a charge storage component C1; the damping component R1 and the 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 configured 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 configured to transfer the energy in the energy storage circuit to the energy storage component after the switch unit 1 switches on and then switches off.

Abstract: According to certain embodiments, a battery heating circuit comprises a switch unit 1, a switching control module 100, a damping component R1, and an energy storage circuit, wherein: the energy storage circuit is connected with the battery and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1, and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1 and is configured to control ON/OFF of the switch unit 1, so that the energy can flow back-and-forth between the battery and the energy storage circuit when the switch unit 1 switches on. For example, the heating circuit 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: Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping component R1, an energy storage circuit, and a freewheeling circuit (20), wherein: the energy storage circuit is connected with the battery, and comprises a current storage component L1 and a charge storage component C1; the damping component R1, switch unit (1), current storage component L1, and charge storage component C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and is configured to control ON/OFF of the switch unit (1), so that the energy can flow back-and-forth between the battery and the energy storage circuit when the switch unit (1) switches on, and amplitude of the current flowing from the energy storage circuit to the battery can be controlled; the freewheeling circuit (20) is configured to sustain the current flowing to the battery when there is current flowing from the energy storage circui

Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit 1, a switching control module 100, a damping component R1, an energy storage circuit, and an energy limiting circuit, wherein: the energy storage circuit is connected with the battery, and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1, and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1, and is configured to control ON/OFF of the switch unit 1, so that the energy can flow back-and-forth between the battery and the energy storage circuit when the switch unit 1 switches on; the energy limiting circuit is configured to limit the magnitude of current flowing from the energy storage circuit to the battery.

Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units (1), a switching control module (100), a damping component 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 component L1 and a plurality of charge storage components C1; the plurality of charge storage components C1 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 component L1 and damping component 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 back-and-forth between the battery and the energy storage circuit when the switch units (1) switch on; the polarity inversio

Abstract: According to certain embodiments, a battery heating circuit, comprising a switch unit 1, a switching control module 100, a damping component 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 component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1, and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1 and is configured 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.

Abstract: According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit (11), a second switch unit (12), a third switch unit (13), a fourth switch unit (14), a switching control module (100), a damping component R1, a current storage component L1, and a charge storage component C1; the damping component R1 and current storage component L1 are configured to connect with the battery in series to form a branch; the first switch unit (11) and second switch unit (12) are connected in series with each other and then connected in parallel with the branch; the third switch unit (13) and fourth switch unit (14) are connected in series with each other and then connected in parallel with the branch; the charge storage component C1 is connected in series between the junction point of the first switch unit (11) and second switch unit (11) and the junction point of the third switch unit (13) and fourth switch unit (14), so that the first switch unit (11), charge storage component C1, and thi

Abstract: According to certain embodiments, a battery heating circuit is provided, comprising a switch unit 1, a switching control module 100, a damping component R1, and an energy storage circuit; the energy storage circuit is configured to be connected with the battery and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1, and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1, and is configured to control ON/OFF of the switch unit 1, so as to control energy flowing from the battery to the energy storage circuit only. For example, the heating circuit provided in the present invention can improve the charge/discharge performance of the battery, and improve safety when the battery is heated.

Abstract: Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery and a second battery; the heating circuit comprises a first switch unit, a second switch unit, a damping component R1, a damping component R2, a current storage component L3, a current storage component L4, a switching control module and an energy storage component V1; the first battery, damping component R1, current storage component L3, energy storage component V1 and first switch unit are connected in series to constitute a first charging/discharging circuit; the second battery, damping component R2, current storage component L4, energy storage component V1 and second switch unit are connected in series to constitute a second charging/discharging circuit; when the energy storage component V1 is charged or discharges, the direction of charging/discharging current in the second charging/discharging circuit is reverse to the direction of charging/discharging current in the first charg

Abstract: Certain embodiments of the present invention disclose a battery heating circuit, wherein: the battery comprises a battery E1 and a battery E2, the heating circuit comprises: a first charging/discharging circuit, which is connected with the battery E1, and comprises a damping component R1, a current storage component L1, a first switch unit (1) and a charge storage component C, all of which are connected in series to each other; and a second charging/discharging circuit, which is connected to the battery E2, and comprises a damping component R2, a current storage component L2, a second switch unit (2) and the charge storage component C, all of which are connected in series with each other. For example, the battery heating unit provided in certain embodiments of the present invention is applicable to multiple batteries, and can be used to heat up multiple batteries together or separately, and achieve electric quantity balance among the batteries.

Abstract: Certain embodiments of the present invention provide a battery heating circuit, wherein: a battery E, a damping component R1, a current storage component L1, a switch unit DK1 and a charge storage component C1 are connected in series to form a battery discharging circuit; a current storage component L2 is connected with a one-way semiconductor component D3 in series, and then the series circuit composed of the current storage component L2 and the one-way semiconductor component D3 is connected in parallel to the ends of the switch unit DK1; the charge storage component C1, the current storage component L2 and the one-way semiconductor component 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 component C1 and current storage component L2.

Abstract: Disclosed are an apparatus and a method for extracting circumscribed rectangles of one or more characters in a transplantable electronic document. The apparatus comprises a command and resource extraction device for extracting text-segment-related commands and original font resources; a division device for dividing the original font resources into fonts; a font replacement device for seeking fonts, and obtaining font resources after font replacement; a measurement information extraction device for extracting character shape measurement information of the characters; and a calculation device for calculating the circumscribed rectangles of the characters.

Abstract: A disclosed method for extracting a raster image of a page from a portable electronic document that includes (a) acquiring commands and resources of the raster image of the page by analyzing a format of the portable electronic document, (b) extracting first and second candidate raster images by processing the commands and the resources of the raster image of the page, (c) integrating the first and second candidate raster images as an integrated candidate raster image provided that the first and second candidate raster images are linked together, and (d) removing a pseudo-raster image from the integrated candidate raster image.

Abstract: The invention relates to a method polymerase chain reaction (PCR) and the application thereof A method of PCR performed at ultra-low denaturing temperatures is provided. The denaturing temperatures of the templates adopted are 93-98° C. in the primary 2-3 cycles, and 60-87° C. in the follow-up cycles, those are much lower than 94-96° C., the conventional denaturing temperatures. It is found in the experiment that this method could not only become a universally applied PCR, but also control the reaction specificity by the template selection at ultra-low temperatures. The method possesses unique functions in excluding non-specific amplified products and false-negative results, excluding false-positivity brought about by the contaminants in products and discriminating genomic DNA from cDNA.