8results about How to "Achieve streamlining" patented technology

A vehicle heat pump system capable of improving cooling and heating performance by applying a gas injection device selectively operated in a vehicle interior air conditioning mode to increase the flow rate of refrigerant. The heat pump system uses a single heat exchanger configured to exchange heat between at least two refrigerants having different temperatures and states with each other for the entire system and the gas injection device, so that the total number of components can be reduced, and manufacturing costs and weight can also be reduced.

Disclosed is a heat pump system for a vehicle, which is capable of improving cooling and heating performance by applying a gas injection device that selectively operates in a vehicle interior air conditioning mode to increase the flow rate of refrigerant. The heat pump system includes a compressor, a condenser, a first expansion valve, an evaporator, a first connection line, a cooler, a second expansion valve, a sub heat exchanger, and a gas injection device, wherein the flow rate of refrigerant is controlled by operation control of the gas injection device according to at least one mode for adjusting the temperature of the vehicle interior.

The utility model relates to the technical field of electric curtains, in particular to an electric curtain opening and closing device which comprises a driving track, an open groove communicated with the interior is formed in the bottom of the driving track, a driving motor is fixedly arranged outside one end of the driving track, and an output shaft of the driving motor extends into the driving track and is provided with a driving belt wheel. A driven belt wheel is arranged at the other end of the driving track, and a synchronous belt is mounted between the driving belt wheel and the driven belt wheel; the driving sliding block is arranged in the driving track in a matched mode through walking wheels and connected with the synchronous belt, and a mounting base extending in the groove direction is arranged at the bottom of the driving sliding block; one end of the driving frame is connected with the mounting seat, and the other end is provided with a driving ring; and the wireless controller is fixedly arranged outside the driving track, and the driving motor is electrically connected with the wireless controller. The automatic opening and closing device can be installed on one side of a traditional curtain rod, the driving frame is arranged on a sliding block of a curtain in a sleeved mode, and therefore the automatic opening and closing function of a traditional manual curtain is achieved.

The invention provides a direct air carbon capture and concrete mineralization maintenance coupling system which comprises a direct air carbon capture device, a concrete mineralization maintenance device and a fan, and the fan provides stable airflow for the direct air carbon capture device for CO2 adsorption. A path of high-pressure steam is led out by the concrete mineralization curing device to perform CO2 desorption on the direct air carbon capture device, and the direct air carbon capture device is provided with a first gas path for conveying desorbed CO2 to the concrete mineralization curing device. The steam utilization efficiency of a CO2 mineralization curing concrete technology is improved, and the technical cost is reduced.

The present invention provides a heat pump system for a vehicle, which performs cooling or heating of a vehicle interior using a natural refrigerant, and effectively adjusts a temperature of a battery module using a single cooler that exchanges heat between the refrigerant and a coolant. A heat pump system for a vehicle includes: an air conditioning device including a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, and a fourth heat exchanger connected by a refrigerant line to circulate refrigerant through the refrigerant line; and a cooler configured to perform heat exchange between the refrigerant supplied from the air conditioning device and the coolant to adjust a temperature of the coolant. The air conditioning device further comprises a first control device, a second control device, a first connecting pipeline, a second connecting pipeline, a third control device and a third connecting pipeline.

A heat pump system for a vehicle includes: an air conditioning unit including a compressor, a first heat exchanger, a second heat exchanger, a first expansion valve, and a third heat exchanger connected through a refrigerant line to circulate refrigerant through the refrigerant line; and a cooler connected to the refrigerant line through a first connection line and adjusting a temperature of the coolant by heat exchanging the refrigerant supplied from the air conditioning unit with the coolant, in which the air conditioning unit further includes: a first valve provided in the refrigerant line between the first heat exchanger and the second heat exchanger; a second valve provided in the refrigerant line between the third heat exchanger and the compressor; a second expansion valve provided in the first connection line; the first end of the second connecting pipeline is connected to the refrigerant pipeline between the first heat exchanger and the second heat exchanger, and the second end of the second connecting pipeline is connected to the refrigerant pipeline between the second heat exchanger and the third heat exchanger; and a third expansion valve.

The present invention discloses an environment modeling and path storage method for path planning of a deformable two-state detection robot, including environment modeling, basic path planning and path secondary planning, path compression transmission, path decompression and the robot executing the decompressed path; in terms of environment modeling, a "quadratic grid method" environment modeling is adopted, and the basic path planning work is completed by an existing cockroach algorithm (see authorized patent ZL201710242657.2); wherein, the real robot involved is a robot whose appearance size is changed by deformation technology, and it can pass through a narrow area by deformation; the present invention realizes a path planning scheme for a robot with changeable size, realizes more possibilities for the application of the robot, the robot can pass through a narrow space in its original state, and can detect a larger range in its deformed state.

The invention relates to a keyword searching method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps that an initial prefix tree is constructed based on entries, each node of the initial prefix tree corresponds to one prefix, and the entries are recorded on the nodes, the same as the entries, of the corresponding prefixes; for each non-leaf node, at most a target number of entries are screened out from the entries recorded on the node on the path from the non-leaf node to the leaf node according to the weight scores of the entries, and a heap structure corresponding to the non-leaf node is constructed according to the target number of entries; when the number of the entries in the heap structure corresponding to the non-leaf nodes is smaller than the target number, the non-leaf nodes and child nodes under the non-leaf nodes are combined to obtain a target prefix tree which is used for traversing target nodes matched with the keywords in the search scene, the entries are determined from the corresponding heap structure to serve as associative words of the keywords, and the associative words of the keywords are obtained. The indexing efficiency can be improved, and meanwhile storage space occupation can be reduced.