BYD Company Ltd

Longgang, China

BYD Company Ltd

Longgang, China
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Patent
BYD Company Ltd | Date: 2017-02-01

Embodiments of the present disclosure provide a battery heating system, a battery assembly and an electric vehicle. The battery heating system includes: a battery group having a positive pole and a negative pole; a switch having a first end connected with the positive pole; a large-current discharge module, and a controller connected to the switch and configured to control the switch according to a temperature of the battery group. A first end of the large-current discharge module is connected to a second end of the switch, and a second end of the large-current discharge module is connected to the negative pole. When the switch is turned on, the battery group discharges via the large-current discharge module and the battery group is heated due to an internal resistance thereof.


Patent
BYD Company Ltd | Date: 2017-02-01

A mobile terminal and a NFC antenna are provided. The mobile terminal includes: a terminal body, including a rear surface defined with a rear longitudinal centerline and a rear transverse centerline; near field communication antenna, disposed on the rear surface of the terminal body; wherein at least one of the rear longitudinal centerline and the rear transverse centerline pass through the near field communication antenna, and the near field communication antenna is disposed asymmetrically to the at least one of the rear longitudinal centerline and the rear transverse centerline. The mobile terminal according to the present disclosure shows a lower deviation of the resonance frequency when operating the P2P networking, and also shows high communication sensitivity, a high communication success rate, a strong communication capability, etc.


Patent
BYD Company Ltd | Date: 2017-02-22

The present invention proposes an image sensor and a monitoring system, the image sensor including: a color filter arranged to allow a particular-wavelength infrared light to pass for light in infrared wavebands, and comprising a plurality of n-color filters, wherein each of the plurality of n-color filters corresponds to one color, the plurality of n-color filters are configured to divide visible light of incident light into n-color light, wherein n is a positive integer; and a light-sensitive chip located below the color filter, wherein the light-sensitive chip comprises a signal processing circuit and a plurality of light-sensitive units one-to-one corresponding to the plurality of n-color filters, the plurality of light-sensitive units are respectively arranged to sense intensity of light transmitting through the plurality of n-color filters and to generate electric signals corresponding to the light transmitting through the plurality of n-color filters, the signal processing circuit is configured to process the electric signals for imaging; wherein a gain ratio of the signal processing circuit to the electric signals is A1: A2: ...: An, and an intensity transmittance ratio of the plurality of n-color filters of the color filter to the particular-wavelength infrared light is 1: (A1/A2): ...: (A1/An). Through the image sensor of the present invention, the color of a shot image is the same as that observed by human eyes; and when visible light is weak while infrared light is strong, a clear black-and-white image can be shot, which has a wide application range and is convenient and reliable.


Patent
BYD Company Ltd | Date: 2017-02-22

The present invention proposes an image sensor, a monitoring system and a method for designing an image sensor, the image sensor including: a color filter, wherein, for light in infrared wavebands, the color filter only allows particular-wavelength infrared light to pass, and the color filter includes multiple n-color filters, wherein each filter corresponds to one color, the multiple n-color filters are used for dividing visible light in incident light into n-color light; and a light-sensitive chip, including a signal processing circuit and multiple light-sensitive units, the multiple light-sensitive units are respectively used for sensing intensity of light transmitting through the multiple n-color filters and generating electric signals corresponding to the light transmitting through the multiple n-color filters, the signal processing circuit is used for processing the electric signals for imaging, wherein a gain ratio of the signal processing circuit to the electric signals is A1: A2: ...: Ai: ...: Aj: ...: An, wherein an intensity transmittance of the multiple n-color filters to the particular-wavelength infrared light is M1: M2(A1/A2): ...: Mi(A1/Ai): ...: Mj(A1/Aj): ...: Mn(A1/An). The image sensor of the present invention increases an application range of the image sensor by adjusting optical characteristics of the color filter to achieve color cast desired by a user.


Patent
BYD Company Ltd | Date: 2017-03-01

The present invention discloses an electric vehicle and a capacitor, the capacitor 100 is configured to be connected to a DC bus of an electric vehicle and an insulated gate bipolar transistor, comprising a housing (1), groups of capacitor cores and groups of connecting terminals (2). The capacitor comprises a plurality of groups of capacitor cores, multiple groups of capacitor cores are independently disposed in the housing (1), each group of the capacitor cores comprises at least one capacitor core; the capacitor comprises a plurality of groups of connecting terminals (2), multiple groups of connecting terminals (2) are disposed on the housing (1) and connected to multiple groups of capacitor cores in an one-to-one manner, and each group of connecting terminals (2) comprises a pair of electrodes protruding from the housing (1) such that the pair of electrodes can be connected to a DC bus of an electric vehicle and an insulated gate bipolar transistor.


Patent
BYD COMPANY Ltd | Date: 2016-12-23

The present disclosure provides a connector for battery and a battery having the same. The connector includes: a terminal connecting part configured to be connected with an electrode terminal of the battery; an electrode core connecting part configured to be connected with a winding electrode core of the battery, and having a first connecting plate and a second connecting plate opposite to each other; and a transition part connected between the terminal connecting part and the electrode core connecting part, configured to be fitted within a gap between two tabs of two adjacent winding electrode cores, and having a shape matched with that of the gap.


A battery spacer, an electric core protection assembly having the battery spacer and a power battery are provided. The battery spacer includes: a spacer body; a plurality of protrusions, each protrusion protruding from an inner surface of the spacer body, extending in a longitudinal direction of the spacer body, and formed by recessing a portion of an outer surface of the spacer body; a plurality of grooves formed in the outer surface of the spacer body, each groove corresponding to one of the plurality of protrusions respectively and formed by recessing the portion of the outer surface of the spacer body; and a plurality of liquid guiding slots formed in the outer surface of the spacer body and extending from the grooves to an edge of the spacer body respectively.


Patent
BYD COMPANY Ltd | Date: 2016-12-19

The present disclosure provides a battery module and a signal collection unit of the same, and the signal collection unit includes: a circuit board having a circuit thereon; a signal collection terminal including a protection cover electrically connected with the circuit and an electric connection sheet connected with the protection cover, the protection cover being disposed on a surface of the circuit board and a chamber being defined by the protection cover and the circuit board, the electric connection sheet being extended beyond an edge of the circuit board, and a temperature-sensing element disposed in the chamber and on the surface of the circuit board, and insulated from the protection cover.


Patent
BYD COMPANY Ltd | Date: 2016-12-19

Embodiments of the present disclosure provide a battery heating system, a battery assembly and an electric vehicle. The battery heating system includes: a battery group having a positive terminal and a negative terminal; a switch having a first end connected with the positive terminal; a large-current discharge module, and a controller connected to the switch and configured to control the switch according to a temperature of the battery group. A first end of the large-current discharge module is connected to a second end of the switch, and a second end of the large-current discharge module is connected to the negative terminal. When the switch is turned on, the battery group discharges via the large-current discharge module and the battery group is heated due to an internal resistance thereof.


A method for metalizing a polymer substrate and a polymer article prepared by the method are provided. First a polymer substrate having a base polymer and at least one metal compound dispersed in the base polymer is provided. Then a surface of the polymer substrate is irradiated with an energy beam such that a water contact angle of the surface of the polymer substrate is at least 120. And the surface of the polymer substrate is subjected to chemical plating.

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