590results about How to "Realize free switching" patented technology

The invention provides a wheel-tracked freely switching gear train device which comprises a wheel rim deformation system and a track system, wherein the wheel rim deformation system comprises a spindle, a bearing, a wheel rim bracket, a first clutch device, a telescopic mechanism, a wheel rim connector, a first driving gear, a third clutch device and a segmented wheel rim arc, wherein the first clutch device is installed on the spindle to control the wheel rim bracket and is disconnected from or connected with the spindle, the telescopic mechanism is installed on the wheel rim bracket, a first driven gear is installed at one end of the telescopic mechanism, the wheel rim connector is fixedly connected with the other end of the telescopic mechanism, the first driving gear is in sleeved on the spindle in an idle way, the third clutch device is fixedly connected with the first driving gear, one end of the segmented wheel rim arc is connected with the wheel rim bracket, the other end of the segmented wheel rim arc is connected with the wheel rim connector, and the first driven gear is meshed with the first driving gear. The wheel-tracked freely switching gear train device realizes free switching between a round wheel and a track in a vehicle walking device so that a vehicle can switch the round wheel or the track at any time according to different road conditions, thereby enhancing the vehicle driving performance and increasing a vehicle application range.

The invention provides a service charging method which comprises the following steps: formulating rule metadata of service charging; using the rule metadata for generating a service charging rule meeting a business demand according to a preset rule model; establishing a correlation of user information and the corresponding service charging rule according to service selected by a user; and matching a corresponding service charging rule to generate charging information according to the service request data of the user, On the basis that a charging flow and the charging rule are separated, the service charging method can improve the customizability of the charging rule and meet complicated service charging demands.

The invention provides a fixed multi-nozzle complex organ precursor three-dimensional controlled forming system, and belongs to the technical field of tissue engineering. The system mainly comprises a case body, a bracket, a fixed multi-nozzle injection device, a forming chamber, a forming table, a three-dimensional motion mechanism, a refrigeration device and a control and data processing system, wherein the fixed multi-nozzle injection device comprises a fixed nozzle scaffold and nozzle components; and the nozzle components are uniformly distributed on the fixed nozzle scaffold in a parallel or array way. When the precursor of a complex organ, such as liver, heart, kidney and the like, is formed, the forming chamber is cooled by utilizing a low-temperature deposition process principle, and a control system controls motion of the forming table and three-dimensional motion mechanism, as well as injection of the fixed multi-nozzle injection device, so that different tissue scaffold materials and cell/matrix composite materials can be deposited and formed on the forming table. According to the device, accurate formation of a plurality of heterogeneous materials with complex three-dimensional structures can be realized by adopting a fixed multi-nozzle interactive forming mode.

The invention relates to a three-dimensional display device, which comprises a display panel and a light ray guide panel, wherein the light ray guide panel is arranged on the display surface of the display panel; the light ray guide panel is used for guiding parallactic image light rays displayed by the display panel to a predetermined visual field spatial position to realize three-dimensional display; the light ray guide panel is an electrically-controllable lens grating which forms a plurality of lens gratings in different extending directions under electric control; and the distances between the plurality of formed lens gratings and the display panel are consistent. The three-dimensional display device has the advantages of capability of forming three-dimensional display pictures in multiple directions and consistent watching distance.

The invention relates to a clothes dryer and a control method thereof; the clothes dryer comprises a circulation air path formed by an outer cylinder and a drying channel, and a heat pump system; an evaporator and a condenser of the heat pump system are arranged in the drying channel so as to respectively condense and heat up flowing circulating airflow; the circulation air path is provided with an air inlet door and an air outlet door controlled to open and close, so the circulation air path can be controlled to connect with or disconnect from the outer side; when the clothes dryer dries the clothes, the air inlet door and the air outlet door are respectively closed, and the circulation airflow in the circulation air path can dry up the clothes in the outer cylinder; when the clothes dryer dehumidifies outer air, the air inlet door and the air outlet door are respectively opened, the outer air continuously enters the circulation air path, and is dehumidified by the evaporator and exhausted, thus dehumidifying the outer air. The device and method allow the clothes dryer to respectively dry up the clothes in the outer cylinder and dehumidify the outer air, thus providing a dehumidifier function.

The invention discloses an air-conditioning heat pump device, which comprises a compressing mechanism, a heat-source side heat exchanger, a user side heat exchanger, a second heat exchanger, a second throttling mechanism, a four-way valve, a first flow-direction control valve, a second flow-direction control valve, a ninth flow-direction control valve, a first one-way valve, a second one-way valve, a third one-way valve, a fourth-one-way valve, an economizer, a third throttling mechanism, a fifty one-way valve, a sixth one-way valve, a seventh one-way valve and an eighth one-way valve. When in operation, free switching of single-double stage compression can be realized according to requirements; the air-conditioning heat pump device can work normally under high-low temperature working environment to realize a plurality of operation states, such as producing domestic hot water, refrigerating or heating, and the like. The invention has the advantages of simple structure, reliable operation, and low cost, and is particularly suitable for domestic small-medium size air-conditioning heat pump devices with domestic hot water requirements.

The invention relates to a multi-nozzle injection device for a complex organ prosoma three-dimensional controlled forming machine, belonging to the field of tissue engineering. The device comprises a main bracket, a movable plate, a movable plate drive mechanism and nozzle components. At least two nozzle component guided grooves are vertically arranged on the main bracket; a slide block is arranged in each nozzle component guided groove; the nozzle components are fixedly connected with the slide blocks; a horizontal movable plate channel is arranged at the lower part of the main bracket, and the channel is communicated with the nozzle component guided groove; the movable plate is arranged in the movable plate channel, and the upper plate surface is in the shape of V; and the bottom of the slide block is in contact with the V-shaped upper plate surface. The movable plate drive mechanism drives the movable plate to do horizontal reciprocating motion, and the horizontal motion of the movable plate drives the slide blocks to do vertical lifting motion, thereby realizing lifting displacement motion when switching the nozzle by the injection device, effectively avoiding the influence of a standby nozzle to a work nozzle, and realizing precise formation of heterogeneous multiple material organ prosoma with large size and complex three dimensional structure.

The invention relates to the technical field of liquid crystal optics and in particular relates to a pair of eyeglasses. The pair of eyeglasses comprises an eyeglass frame, liquid crystal lenses, a controller and a display device, wherein the liquid crystal lenses are arranged on the eyeglass frame; liquid crystal layers are arranged in the liquid crystal lenses; the controller outputs voltage to the liquid crystal lenses, so that the arrangement direction of liquid crystal molecules in the liquid crystal layers is changed; the display device is electrically connected with the controller and is used for converting the output voltage and displaying the voltage by degrees, so that the degrees of the eyeglasses is checked in real time, and the degrees can be rapidly, accurately and automatically adjusted. According to the eyeglasses, the degrees of the liquid crystal lenses is timely adjusted according to change of the degrees of the vision, the eyeglasses can be freely switched between glasses for shortsightedness and glasses for farsightedness, and shortsightedness and farsightedness can be corrected.

The embodiment of the invention discloses a multi-screen terminal and an application display control method thereof, a device and a computer storage medium. The method comprises the steps of when detecting that an operation currently carried out for an application in the multi-screen terminal is a preset screen selection trigger operation, determining the application to be in a display screen to be selected state; receiving a screen selection instruction when the application is in a display screen to be selected state; controlling a display interface of the application to display on a target screen indicated by the received screen selection instruction. The invention realizes the process that the application in the multi-screen terminal is freely switched to different screens of the multi-screen terminal for display, the user does not need to move the application icon but just selects the screen needed by the application according to the own demands, and the multi-screen terminal can directly control the display interface of the application to be displayed on the screen according to the user's selection, which greatly facilitates the user's use, expands the application scene of themulti-screen terminal, and improves the user's use experience.

The present invention discloses a method and an apparatus for associating a high-precision map to a standard map. The method comprises: establishing the buffer region of any one high-precision link ina high-precision map, determining the standard link positioned in a standard map and falling into the buffer region, determining the standard link with the heading and the direction respectively corresponding to and consistent with the heading and the direction of the high-precision link in the buffer region, and establishing the association relationship between the high-precision link and the found stand link. With the method, when the user needs to switch the standard map into the high-precision map (or switch the high-precision map into the standard map), the link in the high-precision map(or the link in the standard map) can be found directly according to the correspondence between the identifier of the high-precision link and the identifier of the determined standard link, such thatthe free switching between the standard map and the high-precision map can be effectively achieved.

The invention discloses a multi-data integration service platform based on industrial Internet of Things (IoT) communication, and belongs to the industrial IoT communication technology field. The multi-data integration service platform comprises a 7U cabinet provided with a fan, a bus backboard, and 16 pluggable board card. The 7U cabinet is provided with 2 power supply board card slots and 14 slots. The width of each power supply board card slot is two times that of the board card slots. The 14 slots comprise 2 main control board card slots and 12 business board card slots. The multi-data integration service platform is advantageous in that the network redundancy, the device redundancy, the data redundancy and other designs of the system can be realized, and by adopting the physical isolation way and the logical isolation way, the data encryption function, the anti-virus function, the network firewall function, the user identification function, and the invasion protection function can be supported, and in addition, the redundancy protection can be provided for the key nodes and the key data, and then the stable operation of the industrial control system can be guaranteed.

The invention discloses a controlling method of a bridge type inverter and a controlling device. The controlling method comprises the following steps of sampling an input voltage Vp of the bridge type inverter, generating a corresponding mode selection signal according to a current operation mode of the bridge type inverter, the input voltage Vp, a presupposed switching point voltage Vs as well as a presupposed switching hysteresis difference deltaV, and outputting a corresponding driving control signal to a control end of the bridge type inverter according to a mode selecting signal; and controlling an operation mode or an operation state of the bridge type inverter, wherein the operation mode of the bridge type inverter comprises a full bridge mode and a half bridge mode. The controlling method and the controlling device provided by the invention have the advantages that an input range of the bridge type inverter can achieve the input range of a two-stage converter, the free switch of the half bridge and the full bridge is realized, components are saved, the cost is reduced, the efficiency is improved, and in addition, repeated mode switch is prevented at the critical point during mode switching, and the relative stability operation of the circuit is guaranteed.

The invention discloses a neuromorphic system based on variable-resistance devices and adaptive-excited neurons and a realization method. The system includes a crossed array of the variable-resistance devices, the anterior neurons, the posterior neurons, a global dynamic threshold value control circuit, a control logic module, a voltage regulation module, a sample input, a tag input and a result output. According to the system, the variable-resistance devices are used as electronic synapses, and a new structure and operation mode of the adaptive-excited neurons are provided, thus the system is optimized on area and operation aspects, and training problems faced by the same type of systems are solved.

The invention discloses automatic distorted concrete grouting and vibrating equipment, which belongs to the technical field of construction and comprises an excavator, a hydraulic system, a slurry supply station, a grouting and vibrating device, a PLC (programmable logic controller) control system and an operation screen. The slurry supply stations is connected with a load-bearing main beam of the excavator via a slurry supply station bracket, the grouting and vibrating device is connected with a four-rod mechanism rocker arm of the excavator by a connecting part via a hinge pin, the PLC control system is located on a rotary worktable of the excavator, and the operation screen is mounted in a driving cab of the excavator. The automatic distorted concrete grouting and vibrating equipment simultaneously has grouting and vibrating functions, can realize free switching between a grouting work state and a vibrating work state, automatic alignment of working devices, accurate control of grouting quantity and the like, is flexible in movement, uniform in grouting, large in vibrating force and simple in operation, increases construction speed and quality, reduces labor intensity of workers, and is applicable to distorted concrete grouting and vibrating construction in various work places.

The invention relates to a piling and pushing mechanism for a mahjong machine. The piling and pushing mechanism for the mahjong machine comprises a head box, a head cover, a driving wheel, a sliding block, a mahjong-pushing head, a mahjong-receiving base, a poking rod, a mahjong-pushing rod and a motor, wherein the driving wheel is provided with three positions for placing a magnet A, a magnet B and a magnet C respectively along the circumferential direction; the three positions for placing the magnets correspond to three mahjong-receiving positions; and a Hall sensor for detecting the magnets is arranged above the driving wheel and cooperates with the magnet A, the magnet B and the magnet C to control the motor to stop or rotate. The piling and pushing mechanism for the mahjong machine has the advantage that: during the free switching between four ports and eight ports, one mahjong piece, two mahjong pieces or three mahjong pieces can be piled into one row according to requirements, so the stability and the reliability of piling the mahjong pieces are guaranteed.

The invention relates to a KVM (Keyboard Video Mouse) control method and device, a storage medium and computer equipment. The KVM control method includes the following steps: establishing connection of computers and display equipment, and allocating signal sources of the computers to corresponding windows; acquiring an initial window associated with keyboard/mouse equipment, and establishing connection of the keyboard/mouse equipment and a computer corresponding to the initial window; and establishing connection of the keyboard/mouse equipment and a computer, which corresponds to an updated window, when it is detected that a mouse pointer is moved to the updated window. The computers are enabled to be connected with the display windows in a one-to-one corresponding manner through establishing connection of the computers and the display equipment and allocating the signal sources of the computers, connection of the keyboard/mouse equipment and the computer is established through the preset initial window, control on the computer is realized, the keyboard/mouse equipment is connected to the computer, which corresponds to the window where the mouse pointer in located, when it is detected that the mouse pointer corresponding to the keyboard/mouse equipment is moved to the window corresponding to the another computer, free switching on multiple pieces of the computer equipment is realized, and operations are time-saving and simple.

The invention discloses a head-mounted display device and system.The head-mounted display device comprises a displayer, a light splitting optical film layer, a front lens set, a rear lens set and a shading film layer.When the shading film layer is closed, image information on the displayer is reflected by the light splitting optical film layer to the front lens set, and after modification by the front lens set, a user can observe the amplified image information through the front lens set, so that virtual reality scene display is realized; when the shading film layer is opened, the image information on the displayer is reflected by the light splitting optical film layer to the front lens set, meanwhile, a real world scene is transmitted by the light splitting optical film layer to the front lens set after being adjusted by the rear lens set, and after modification by the front lens set, the user can observe a mixed real scene formed after superposition of the real world scene and the image information through the front lens set.Through the head-mounted display device and system, free switching between augmented reality, virtual reality and mixed reliability can be realized.

The invention belongs to a composition member of a solar light-heat central air-conditioning system, which relates to the technical field of solar electricity generation and heating. The device solves the problem that the use efficiency of the heat collecting pipe and reflecting mirror combined type solar collecting device is low in spring and autumn. The composition member comprises a main framework, a heat collecting pipe support frame, a heat collecting pipe and a light reflecting and concentrating mechanism, wherein at least two solar battery light reflecting and concentrating cover support devices form one group, at least two support shafts or shaft support structural bodies are arranged at each group, at least one solar battery light reflecting and concentrating cover is movably fixed and connected on each support shaft or shaft support structural body, and the composition member is controlled and fixed in a certain state. The free selection and the proportion matching of the whole system for obtaining heat and electric power are realized. The composition member can obtain the solar energy throughout the year according to requirements, can be used for heating and air conditioning in winter and summer and can be used for electricity generation in spring and autumn. Compared with the prior art, the composition member fully utilizes solar resources and photovoltaic and light-heat equipment and improves the performance price ratio by one time.