5results about How to "Achieve mutual compatibility" patented technology

The invention discloses a multi-bar code scanning method and device, and relates to the technical field of smart home, the multi-bar code scanning method and device are realized through a multi-bar code scanning device, the multi-bar code scanning device is provided with three bar code scanning modes of mobile phone scanning, scanning gun scanning and bar code box input, and the method comprises the following steps: obtaining a to-be-scanned object carrying recognizable bar codes; based on the code scanning scene of the article to be scanned and the type of the recognizable bar code, automatically matching a target scanning mode in the multi-bar code scanning equipment, and scanning the recognizable bar code through the target scanning mode to obtain a scanning result; and verifying the scanning result, and outputting the scanning result passing the verification. Multiple input sources and multiple input modes are integrated, different input modes are adopted for different input sources, the problem that different applications need to be installed for different input sources is solved, the barcode recognition efficiency of scanning applications is greatly improved, the user operation process is simplified, mutual compatibility of multiple input sources is achieved, and the user experience is improved. The identification performance is stable and reliable.

The invention discloses an engine cooling system, a control method, a controller, an automobile and a storage medium. The system comprises a cylinder body, a cylinder cover, a water pump, a warm air branch and a temperature control branch. The cylinder body is matched with the cylinder cover to form a cylinder circulation branch; the warm air branch is arranged between a first outlet of the cylinder cover and an inlet of the water pump and comprises a switch valve and a warm air core body which are arranged in series; the temperature control branch comprises a thermostat, an inlet of the thermostat is connected with a first outlet of the cylinder body, and an outlet of the thermostat is connected with an inlet of the water pump; and the outlet of the water pump is connected with the first inlet of the cylinder body. The series cooling effect is achieved through the air cylinder circulation branch, the split-flow cooling effect is achieved through the temperature control branch and the warm air branch, compatibility of series cooling and parallel cooling can be achieved, and the cooling effect is guaranteed.

Embodiments of the present disclosure provide a train-ground data communication system, method and storage medium, which are applied to the field of rail transit technology. The system comprises a WLAN system, an LTE system and a ground signal network. The WLAN system comprises a first vehicle-mounted subsystem and a first ground subsystem. The first vehicle-mounted subsystem comprises a first communication controller, a vehicle-mounted WLAN device and a first antenna feeder system. The first ground subsystem comprises a ground WLAN device. The LTE system comprises a second vehicle-mounted subsystem and a second ground subsystem. The second vehicle-mounted subsystem comprises a second communication controller, a TAU device and a second antenna feeder system. The second ground subsystem comprises an LTE access network, an LTE core network, an LTE gateway and a ground signal network gateway. The vehicle-mounted controller is connected with the ground signal network through the WLAN system and the LTE system respectively. The ground signal network is connected with a ground signal device. In this way, the existing WLAN mode and the upgraded LTE mode can be compatible with each other.

The invention discloses an engine cooling system, a control method, a controller, an automobile and a storage medium. The system comprises a cylinder body, a cylinder cover, a water pump, a warm air branch and a temperature control branch, the cylinder body is matched with the cylinder cover to form a cylinder circulation branch; the warm air branch is arranged between a first outlet of the cylinder cover and an inlet of the water pump and comprises a bypass valve and a warm air core body which are arranged in series; the temperature control branch comprises a temperature control module, an inlet of the temperature control module is connected with a first outlet of the cylinder body, and an outlet of the temperature control module is connected with an inlet of the water pump; and the outlet of the water pump is connected with the first inlet of the cylinder body. The series cooling effect is achieved through the air cylinder circulation branch, the split-flow cooling effect is achieved through the temperature control branch and the warm air branch, compatibility of series cooling and parallel cooling can be achieved, and the cooling effect is guaranteed.

The invention relates to the technical field of phased-array antennas, and particularly discloses an open and extensible phased-array antenna sub-array architecture, an installation method and an array plane. Comprising a main frame internally provided with a cavity, a wave control mother board which is installed in the cavity and divides the cavity into a front cavity and a rear cavity, a front end tight coupling unit which is used for transmitting and receiving signals and is connected with the main frame, and a rear end open unit which is installed in the rear cavity and is provided with a standard module. The wave control mother board is connected with the front-end tight coupling unit and the rear-end open unit respectively; the end, close to the wave control mother board, of the front-end tight coupling unit is located in the front cavity. Reliability of radio frequency connection of the front-end tight coupling unit and stability of performance are guaranteed, openness of a processing part is achieved through the rear-end variable region formed by the rear-end open unit, phased-array antenna array planes of different scales and different capacities can be reconstructed, requirements of different application scenes are met, and the antenna has a wide application prospect. And the expandability of the system is better realized.