Abstract: The application provides an image acquisition apparatus, a server, and encryption and decryption methods, and relates to the field of data processing. The image acquisition apparatus includes: an image acquisition device including an encryption processor and a data interface provided in the image acquisition device, wherein the encryption processor is configured to encrypt, by using a stored first key, image data acquired by the image acquisition device to obtain image ciphertext data; the data interface is configured to obtain the image ciphertext data and output the image ciphertext data to a terminal device. With the technical solution of the application, security of the image data can be ensured.

Abstract: The application provides a data security processing terminal, system and method, and is related to a field of data processing. The data security processing terminal includes: an image acquisition device configured to acquire image data and transmit the image data to a Trust Execution Environment through a secure channel; an image acquisition driver operating in the Trust Execution Environment and configured to drive, in response to a drive instruction from a processor, the image acquisition device to acquire the image data; the processor operating in the Trust Execution Environment and configured to send the drive instruction to the image acquisition driver, obtain the image data, encrypt the image data using a stored first key to obtain image ciphertext data, and output the image ciphertext data. The technical solution of the present applicant can be used to ensure the security of image data.

Abstract: Disclosed is a testing device and method for a service life of an air-conditioning compressor of a new energy vehicle running with pure gas. The testing device includes an alternative refrigeration system, a measurement and control system, and a testing environment room. A main refrigeration cycle system of the alternative refrigeration system runs with pure gas, gas of a testing compressor is discharged via a discharge throttle valve, and then enters a suction end via a suction throttle valve and an electronic expansion valve, and since there is no phase change, a heat exchange amount is small; adjustable ranges of the discharge throttle valve, the suction throttle valve and the electronic expansion valve are wide; and based on the system structure, a small refrigeration system can be used to test a compressor having high cooling capacity, and the system can quickly achieve a target working condition with a small amount of refrigerant.

Abstract: The present application relates to the field of data processing, and provides a method for deploying a face sample library, and a method and an apparatus for business processing based on face recognition. The method for deploying a face sample library, comprises: obtaining historical business information of users corresponding to face samples in a password face sample library under a condition that a number of face samples in the password face sample library is greater than or equal to a preset sample number threshold, wherein confidential business passwords of the users corresponding to the face samples in the same password face sample library are the same; dividing the password face sample library to obtain M levels of face sample sub-libraries according to the historical business information, where M is a positive integer. Use of the technical solution of the present application improves the accuracy of business processing using face recognition.

Abstract: The present disclosure provides an identity recognition system for a terminal. The system includes: an obtaining device configured to obtain pre-stored biometric information corresponding to a user within a preset range of the terminal; a biometric library configured to maintain the obtained pre-stored biometric information; a collection device configured to collect first biometric information of the user; and a recognition device configured to recognize the first biometric information in the biometric library, and decide to enable or disable one or more functions or components of the terminal according to a recognition result. The present disclosure further provides an identity recognition method, a computer storage medium and a terminal.

Abstract: The application provides an image acquisition apparatus, a server, and encryption and decryption methods, and relates to the field of data processing. The image acquisition apparatus includes: an image acquisition device including an encryption processor and a data interface provided in the image acquisition device, wherein the encryption processor is configured to encrypt, by using a stored first key, image data acquired by the image acquisition device to obtain image ciphertext data; the data interface is configured to obtain the image ciphertext data and output the image ciphertext data to a terminal device. With the technical solution of the application, security of the image data can be ensured.

Abstract: The application provides a data security processing terminal, system and method, and is related to a field of data processing. The data security processing terminal includes: an image acquisition device configured to acquire image data and transmit the image data to a Trust Execution Environment through a secure channel; an image acquisition driver operating in the Trust Execution Environment and configured to drive, in response to a drive instruction from a processor, the image acquisition device to acquire the image data; the processor operating in the Trust Execution Environment and configured to send the drive instruction to the image acquisition driver, obtain the image data, encrypt the image data using a stored first key to obtain image ciphertext data, and output the image ciphertext data. The technical solution of the present applicant can be used to ensure the security of image data.

Abstract: A battery unit includes a battery and an insulation film, the battery includes a battery housing, a battery core disposed inside the battery housing, and a battery cover plate disposed on an end portion of the battery housing; the insulation film is coated on at least one side face of the battery housing, the insulation films on two adjacent battery units are bonded to each other in the preset direction to connect the plurality of battery units together; and the insulation film includes an extension portion, where the extension portion is formed by a top portion of the insulation film which protrudes from the battery cover plate and extends upward, the top plate is disposed on an upper side of the battery unit, a groove is provided on a lower side of the top panel, and at least part of the extension portion is accommodated in the groove.

Abstract: A battery cover assembly includes a cover plate, an electrode inner terminal and an electrode outer terminal. The electrode inner terminal is electrically connected to the electrode outer terminal through a current interrupt structure disposed on the cover plate. The current interrupt structure includes a sealed chamber configured to fill a gas-producing medium therein. The sealed chamber is configured to make the gas-producing medium to be electrically connected to positive electrodes and negative electrodes of a battery. When a voltage difference between the positive electrodes and negative electrodes of the battery exceeds a rated value, the gas-producing medium is capable of producing gas, to disrupt the electrical connection between the electrode inner terminal and the electrode outer terminal under the action of the pressure of the gas.

Abstract: The present application relates to the field of data processing, and provides a method for deploying a face sample library, and a method and an apparatus for business processing based on face recognition. The method for deploying a face sample library, comprises: obtaining historical business information of users corresponding to face samples in a password face sample library under a condition that a number of face samples in the password face sample library is greater than or equal to a preset sample number threshold, wherein confidential business passwords of the users corresponding to the face samples in the same password face sample library are the same; dividing the password face sample library to obtain M levels of face sample sub-libraries according to the historical business information, where M is a positive integer. Use of the technical solution of the present application improves the accuracy of business processing using face recognition.

Abstract: A battery system and an electric vehicle are disclosed. The battery system includes at least one series circuit, a pouch battery and at least one first cell connected to the pouch battery in series being disposed in the series circuit, and a current interrupt device being disposed on the first cell; and the current interrupt device of the first cell being configured to interrupt an internal current of the first cell when at least one of the pouch battery and the first cell is abnormal.

Abstract: A battery unit includes a battery and an insulation film, the battery includes a battery housing, a battery core disposed inside the battery housing, and a battery cover plate disposed on an end portion of the battery housing; the insulation film is coated on at least one side face of the battery housing, the insulation films on two adjacent battery units are bonded to each other in the preset direction to connect the plurality of battery units together; and the insulation film includes an extension portion, where the extension portion is formed by a top portion of the insulation film which protrudes from the battery cover plate and extends upward, the top plate is disposed on an upper side of the battery unit, a groove is provided on a lower side of the top panel, and at least part of the extension portion is accommodated in the groove.

Abstract: The present disclosure provides an identity recognition system for a terminal. The system includes: an obtaining device configured to obtain pre-stored biometric information corresponding to a user within a preset range of the terminal; a biometric library configured to maintain the obtained pre-stored biometric information; a collection device configured to collect first biometric information of the user; and a recognition device configured to recognize the first biometric information in the biometric library, and decide to enable or disable one or more functions or components of the terminal according to a recognition result. The present disclosure further provides an identity recognition method, a computer storage medium and a terminal.

Abstract: The present disclosure provides an automobile tray component, including a tray base plate and mounting beams arranged around the tray base plate, where the tray base plate includes an upper plate body, an intermediate plate body, and a lower plate body, a cooling cavity is arranged between the upper plate body and the intermediate plate body, and a buffer cavity is arranged between the intermediate plate body and the lower plate body.

Abstract: A battery cover assembly includes a cover plate, an electrode inner terminal and an electrode outer terminal. The electrode inner terminal is electrically connected to the electrode outer terminal through a current interrupt structure disposed on the cover plate. The current interrupt structure includes a sealed chamber configured to fill a gas-producing medium therein. The sealed chamber is configured to make the gas-producing medium to be electrically connected to positive electrodes and negative electrodes of a battery. When a voltage difference between the positive electrodes and negative electrodes of the battery exceeds a rated value, the gas-producing medium is capable of producing gas, to disrupt the electrical connection between the electrode inner terminal and the electrode outer terminal under the action of the pressure of the gas.

Abstract: A power battery assembly is provided. The power battery assembly comprises a battery circuit having at least one battery module and a relay. A normally open contact of the relay is connected with the battery circuit in series. The power battery assembly also comprises a controller for controlling the normally open contact of the relay. An input end and an output end of the relay are connected with the controller. The power battery assembly further comprises a fuse protector connected with the battery circuit in series.

Abstract: The present disclosure provides an automobile tray component, including a tray base plate and mounting beams arranged around the tray base plate, where the tray base plate includes an upper plate body, an intermediate plate body, and a lower plate body, a cooling cavity is arranged between the upper plate body and the intermediate plate body, and a buffer cavity is arranged between the intermediate plate body and the lower plate body.

Abstract: 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.

Abstract: This application provides a battery packaging material and a method for preparing same, a battery pack sealing cover, a battery pack body, a power battery and an electric vehicle. The battery packaging material includes a fiber layer, where the fiber layer contains a mesh structure, and holes of the mesh structure are filled with a bonding agent.

Abstract: A battery includes a shell, a core and a protection component received in the shell. The core includes a first electrode tab connected to a first current collector and a second electrode tab connected to a second current collector of the core. The protection component includes two insulating layers and a conducting layer disposed between two insulating layers. The conducting layer defines a first end electrically connected to the first electrode tab and a second end configured as a free end, and an outmost current collector of the core is configured by the second current collector.