103results about How to "Realize switching" patented technology

The invention relates to a multi-shaft compressor unit and a control method thereof, in particular to a steam-electricity double-drive multi-shaft compressor unit connected with double clutches and a control method of the steam-electricity double-drive multi-shaft compressor unit. The technical problems that in the prior art, a pure electricity mode, a pure steam mode and a steam-electricity double-drive mode cannot be switched on line, and when steam is sufficient, a motor cannot be disengaged, so that energy is wasted are solved. The system comprises a multi-shaft compressor, a steam turbine, a motor, a first clutch, a second clutch, a steam flow sensor, a controller and a rotating speed sensor. The multi-shaft compressor comprises a driving shaft; the driving shaft is provided with two driving ends which are respectively a first driving end and a second driving end; the output shaft of the steam turbine is coaxially connected with the first driving end through a first clutch; an output shaft of the motor is coaxially connected with the second driving end through the second clutch; and rotating speed sensors are arranged on the first driving end, the second driving end, the steam turbine and the output shaft of the motor.

This invention relates to the field of road crack repair, addressing the problem that existing repair devices cannot simultaneously implement grouting repair and crack sealing tape repair methods. It provides a road crack repair device comprising a vehicle body, a storage tank, and a grouting pipe, the storage tank being connected to the grouting pipe. The device further includes: a rotating rod; a compaction roller and a crack sealing tape cylinder, the compaction roller and the crack sealing tape cylinder being disposed on opposite sides of the rotating rod; a release membrane cylinder, the release membrane cylinder passing through the rotating rod and positioned opposite the crack sealing tape cylinder; a driving gear, the driving gear being connected to the side wall of the crack sealing tape cylinder; a driven gear, the driven gear meshing with the driving gear, the driven gear being connected to the side wall of the release membrane cylinder; and a drive mechanism for driving the rotating rod to rotate. This invention, by setting up a rotating rod and distributing the compaction roller and the crack sealing tape cylinder on opposite sides of the rotating rod, simplifies the switching between grouting repair and crack sealing tape repair methods.

The invention relates to the technical field of control, in particular to a motor controller control method, device and equipment and a motor controller, and the method is applied to the motor controller of which each phase comprises at least two power switch devices connected in parallel. Acquiring the real-time temperature of the shell of each power switch device corresponding to the phase; compensating the real-time temperature based on a pre-calibrated initial offset value to obtain a temperature compensation value of the power switch device on the phase; determining a highest temperature compensation value and a lowest temperature compensation value corresponding to the phase, and calculating a temperature difference absolute value between the highest temperature compensation value and the lowest temperature compensation value; and controlling the working mode of the motor controller based on the temperature difference absolute value and the highest temperature compensation value of all phases in the motor controller. Whether each power switch device is in the non-current-sharing state or not is judged through the real-time shell temperature, hardware cost does not need to be newly increased, and the internal structure of the motor controller is simplified.

An integrated architecture system for dual-indirect heat pump thermal management in pure electric vehicles based on R290. Currently, most pure electric vehicles have low integration levels in their thermal management systems. Typically, the battery pack circuit and air conditioning circuit are connected in parallel through a heat exchanger, while the motor and electronic control cooling circuit is an independent circuit. This results in too many system components, occupying a large amount of engine compartment space, and lacking a standardized and precise processing structure. In this invention, one end of the radiator is connected to the second refrigeration device, and a first valve body is provided between the radiator and the second four-way valve. The other end of the radiator is a double-ended connection end, which is sequentially connected to one end of the second refrigeration device through the fourth inlet / outlet and the second inlet / outlet of the second four-way valve. A third valve body is provided between the double-ended connection end of the radiator and the second four-way valve. The other end of the second refrigeration device is connected to the first inlet / outlet of the second four-way valve. The double-ended connection end of the radiator is sequentially connected to the fourth inlet / outlet of the second four-way valve through a drive motor, an electronic control unit, and a second water pump.

The utility model provides a kind of combined cutter, including shell, several knife groups, tool rest, first drive assembly and second drive assembly.Shell includes main shell and auxiliary shell, main shell includes release area, and auxiliary shell is equipped with several knife outlets;Every knife group includes tool rest and blade, and tool rest includes stress part;Tool rest includes several knife areas, and every knife area houses a knife group;First drive assembly is suitable for driving tool rest rotates around rotation center axis, and then it can select one knife group to align release area and become target knife group;Second drive assembly includes push part and drive button, and push part can reciprocate in release area along the radial direction of main shell, and drive button can drive the blade of target knife group to extend or retract corresponding knife outlet by push part.The utility model realizes the quick switching of multiple knife groups by rotating tool rest, while ensuring that target knife group can stably switch between storage state and working state, to improve the functional integration, operation convenience and structural reliability of combined cutter.

This invention discloses a crosstalk suppression method and a wavelength selective switch, belonging to the field of optical communication technology. Addressing the problems in existing technologies where the first-order diffraction efficiency of the phase diffraction grating formed on the LCoS surface of a silicon-based liquid crystal (LCoS) affects the insertion loss and increases signal crosstalk in WSSs, this invention provides a crosstalk suppression method and a wavelength selective switch. Along the beam direction, the switch consists of an ITO glass layer, an alignment layer, a liquid crystal region layer, another alignment layer, and a high-reflectivity layer. By altering the beam phase through the ITO glass, liquid crystal region layer, and high-reflectivity layer, and by setting a phase diffraction grating with a specific period, the beam direction of different wavelengths is deflected, thereby achieving port switching and effectively avoiding signal crosstalk between ports.

The utility model discloses an edge pressing device for mechanical part production and processing belongs to mechanical part processing field, including base, install the edge pressing equipment of base top and work table of installing on base, the inside fixed chamber of base is equipped with the sleeve that rotates and is connected in fixed chamber inside, and the top of sleeve is connected with work table bottom, the inside fixed chamber is provided with drive mechanism, is used for driving sleeve to drive work table to make 90 degree reciprocating rotation to realize work piece edge pressing position's switching, through the cooperation of above each device, through setting up drive mechanism drive work table can make 90 degree reciprocating rotation to realize work piece edge pressing position's switching, cooperate linkage mechanism simultaneously, make work table after rotating, and the clamp plate can be automatic centering and clamping work piece, through setting step -by -step rotation edge pressing process, effectively avoided the stress concentration problem that whole edge pressing led to, and the product quality was greatly promoted.

The invention relates to the technical field of intelligent traffic and automotive electronics, in particular to a projection type road marking method and system based on dynamic traffic environment perception, and the method comprises the steps: collecting and fusing real-time traffic flow, meteorological conditions and event data to form an environment state data set; calculating a traffic state index to evaluate a current road traffic state; triggering a preset road marking rule based on the traffic state index, and generating a marking scheme; constructing a dynamic space mapping mechanism based on a two-dimensional coordinate system, and mapping the marking elements into coordinate data; performing geometric distortion correction and smooth transition processing on the coordinate data to obtain final marking graph data; and dynamically calculating a brightness parameter of a finally projected road marking graph in combination with a real-time environment state to finish dynamic marking projection. According to the invention, a perception-decision-projection integrated network is constructed, collaborative study and judgment are carried out based on the traffic situation of the whole road section, and evolution from isolated projection to whole-network collaborative intelligence is realized.

This application discloses a display panel, a control method for the display panel, and a display device, mainly relating to the field of display technology. A privacy pixel unit is located between two display pixel units; a controllable vertical reflection module is disposed on a substrate, and the controllable vertical reflection module includes multiple vertical reflection sub-modules, which together form a parabolic surface on the side facing away from the substrate; the parabolic surface of the vertical reflection sub-module can switch between a reflective state and a non-reflective state; a light-emitting module is disposed on the side of the controllable vertical reflection module facing away from the substrate, a semi-cylindrical reflective surface is disposed on the side of the light-emitting module facing away from the parabolic surface, and a refractive concave surface is disposed on the side of the semi-cylindrical reflective surface facing away from the light-emitting module; and the light-emitting module is located at the focal point of the parabolic surface and also at the center of the semi-cylindrical reflective surface. Through the above design, the display panel can switch between a privacy mode and a sharing mode.

This invention discloses an integrated torsion and tensile testing machine, comprising a support frame. A clamping and fixing head is installed on one side of the support frame, and a power clamping device is fixedly installed on the other side of the support frame. A power drive mechanism is installed on the other side of the power clamping device, driving the power clamping device to rotate. Two sets of clamping mechanisms are installed in the clamping cavity, and the two sets of clamping mechanisms are staggered and distributed in the clamping cavity, with different clamping points in the length direction. This invention integrates torsion and tensile testing structures into one, simplifying the structure, significantly reducing the size and weight of the equipment, improving mobility and applicability. Furthermore, the fixing points of the clamping mechanisms on the workpiece can be easily changed by simply adjusting the power drive mechanism. The operation is simple and requires no additional tools, eliminating the need for manual disassembly and assembly, greatly shortening the preparation and replacement time for the test, and making the testing process more efficient and smooth.

The utility model discloses a back spray piece and back spray assembly, back spray piece includes the body, switching part and first reset part. The body is equipped with the water inlet hole and is suitable for with the water outlet hole of water inlet hole intercommunication, and the back spray water hole is suitable for along the first direction parallel to the horizontal plane and / or the direction of inclination to the first direction and washes to the back plate of human body, switching part is suitable for the movement between the first position and second position, and switching part is in the first position, makes water inlet hole and back spray water hole intercommunication, in the second position, makes water inlet hole and back spray water hole not intercommunication, thereby realizes the switching of waterway. The both ends of first reset part act on the body and switching part respectively, and are suitable for energy storage when switching part moves to the first position, and release energy to drive switching part to reset to the second position when back spray water hole does not water, prevent the next time opening, and back spray water hole directly water, lead to the splash problem of opening, and simultaneously, it can also assist switching part to switch to the second position, and it is more labor-saving when switching.

The utility model relates to a linkage structure of a multi-pole contact of a dual-power change-over switch, comprising a rotating shaft which is a metal shaft; the handle is mounted at one end of the rotating shaft and synchronously rotates with the rotating shaft under the action of external force; the multi-pole contact is linked with the rotating shaft; the multi-pole contact comprises at least two poles of moving contact assemblies which are arranged on a rotating shaft along the axial direction; one end of the driving shaft is connected with the electromagnetic driving device, and the other end is axially mounted on the other side of the handle relative to the rotating shaft; under the action of the electromagnetic driving device, the driving shaft can horizontally move in the direction perpendicular to the rotating shaft, and then the handle and the rotating shaft are driven to rotate. In the scheme, the linkage structure comprises the rotating shaft, the handle, the multi-pole contact and the driving shaft, the rotating shaft is a metal shaft, the handle and the multi-pole contact are both sleeved on the metal shaft, the driving shaft is installed on the handle, the metal shaft is used as a linkage piece, the handle, the multi-pole contact and the metal shaft are in synchronous linkage, and the linkage consistency is good.

This application relates to a motorcycle, including a central control system comprising a control component and a display screen. The control component is capable of controlling the display screen to display instrument panel images and entertainment images in at least two different and switchable display modes. The at least two different and switchable display modes include a first display mode and a second display mode. In the first display mode, the area occupied by the instrument panel image on the display screen is larger than the area occupied by the entertainment image. In the second display mode, the area occupied by the instrument panel image on the display screen is smaller than or equal to the area occupied by the entertainment image. This expands the display screen's functionality and increases the display area for both instrument panel and entertainment images. By providing the user with at least two different display modes, the user can switch and adjust the displayed images between different modes, thereby facilitating the viewing of relevant information.

The invention relates to a picometer-level surface shape measuring device for a large-aperture optical element. The picometer-level surface shape measuring device comprises a laser, a first polarization beam splitter, a first acousto-optic modulator, a second polarization beam splitter, a quarter-wave plate, a beam expander group, a local gating measuring surface unit, a 45-degree reflector, a second acousto-optic modulator, a non-polarization beam splitter and a photoelectric detector. The invention further provides a picometer-level surface shape measurement method for the large-aperture optical element, high-precision phase information is obtained based on the double-frequency heterodyne interference principle, regionalized scanning is achieved on the surface of the measured optical element through the local light gating module, and full-aperture high-resolution surface shape measurement can be completed without depending on a mechanical moving platform. The device has the advantages of high mechanical error resistance, high measurement precision, simple system structure and the like, and is suitable for surface shape detection of ultrahigh-precision optical elements.

This utility model relates to a foldable dumbbell rack, belonging to the field of sports equipment technology. The foldable dumbbell rack includes a bottom frame, a top frame, and a middle frame. The bottom frame is supported on the ground. The top frame supports dumbbells with trays, and its top is equipped with a clamping assembly for holding the dumbbell tray. One end of the middle frame is rotatably connected to the bottom frame, allowing the middle frame to flip upwards relative to the bottom frame, and the other end is rotatably connected to the top frame, allowing the top frame to flip upwards relative to the middle frame. In the folded state, the bottom frame, middle frame, and top frame are stacked from bottom to top. In the unfolded state, the middle frame flips upwards relative to the bottom frame, and the top frame flips upwards relative to the middle frame, thus widening the distance between the top and bottom frames through the middle frame. This foldable dumbbell rack can be folded and stored after training, meeting the user's space utilization needs when storing dumbbells on a daily basis.

This invention provides a cardiac training device for cardiac rehabilitation in cardiology, belonging to the technical field of training equipment. The cardiac training device includes a training base with a cushion at its top. A rotating shaft is symmetrically arranged at one end of the training base, and a training housing is fitted onto the outer surface of the rotating shaft. A T-shaped groove is provided at one end of the training housing, with a fixing hole on one side of the inner wall of the T-shaped groove. Universal wheels are provided at the bottom of the training housing. An adjustment component is also included, with a foot pedal component housed within the internal cavity of the training housing. A switching component is located on one side of the training housing. This invention meets different exercise needs of patients by setting up an adjustment component, and further ensures the training effect by setting up the linkage between the foot pedal component and the switching component.

This invention relates to a dual-probe switching control system for a coordinate measuring machine (CMM), comprising: a host computer; and a signal switching device having a serial port interface, a power interface, and multiple sets of relay output interfaces. During probe switching, the host computer sends a probe switching signal to the serial port interface, causing one of the normally closed and normally open output interfaces to output a signal to switch to the probe using the corresponding output interface, and sends a signal back to the host computer indicating successful probe switching. The system also sets parameters for the successfully switched probe and receives measurement signals from the host computer. During measurement using the switched probe, the host computer monitors the heartbeat communication signal between the control cabinet and the signal switching device in real time. This invention enables reliable switching between dual probes and ensures reliable operation of the switched probes.

The utility model discloses a kind of bread fermentation temperature and humidity control device, it is related to bread production equipment field, to solve the problem of low precision, slow response, difficult maintenance of existing equipment temperature and humidity control, device includes flow guide shell and three-way switch valve, motor, impeller and annular heating pipe are equipped in flow guide shell, rear mesh cover helps air circulation, front end protective cover with flow guide cone;Three-way switch valve is connected with air pipe, steam pipe and air pipe, gas delivery can be switched, mounting bracket and auxiliary frame with temperature and humidity sensor are arranged on the outer wall of ring, sensor feedback data to control system, automatically adjust motor speed, heating tube power and three-way valve state.The device realizes accurate and stable control of temperature and humidity, airflow is uniformly transported, and has simple structure and high degree of automation, which is suitable for large-scale production of bread.

The invention discloses a bladder irrigation color discrimination infusion apparatus, and relates to the technical field of infusion apparatuses. The throttling device comprises a throttling box and further comprises a grading part arranged on the throttling box. An arrow is arranged on the turntable, the arrow is matched with the scale strips to distinguish the flow velocity, the scale strips are provided with corresponding colors, the turntable is rotated to the corresponding color gradation according to the color gradation where the current urine color of a patient is located, the gap between every two scale strips arranged on the cover plate represents one grade, and a plurality of grade adjustments can be set; and each color gradation has different colors. By arranging the adjusting part, the problems that in the using process of an existing infusion apparatus, only the basic function of flushing fluid conveying can be achieved, no color contrast function exists, consequently, the current flushing fluid flow speed depends on manual adjustment, medical workers need to judge the color gradation of drainage fluid through a urine color contrast card firstly, then the target dripping speed is calculated, and the infusion efficiency is affected are solved. The flow rate of the infusion apparatus is manually adjusted, the operation process is tedious, and the efficiency is low.

The utility model discloses a three-ring type inflation cover, and belongs to the technical field of tire inflation equipment. The device comprises an inner gas hood, a middle gas hood and an outer gas hood which are coaxially nested, and the inner gas hood, the middle gas hood and the outer gas hood are driven by a cylinder to realize axial lifting switching. The inner gas hood is driven by a first cylinder, an inner clamping ring at the top of the inner gas hood is in sliding fit with a middle clamping ring of the middle gas hood, and the outer gas hood is driven by an outer cylinder and sleeves the outer side of the middle gas hood; a locking air cylinder is arranged on the side wall of the outer gas hood, and the position of the gas hood is locked by being inserted into locking holes of the inner clamping ring and the middle clamping ring. The three groups of stepped ring structures ensure the sealing performance during gas hood switching, and gas leakage is avoided. An air pipe penetrates through the middle air hood connecting plate to be communicated with the inner air hood, and inflation of tires of different sizes is adapted through lifting switching. The device is compact in structure, free of extra centering and convenient to maintain, movement stability is improved through the design of the guide columns and the floating connectors, locking balance is guaranteed through uniform distribution of the locking air cylinders, and the device is suitable for efficient inflation operation of an automatic tire production line.

The utility model provides a pitching structure and a toy. The pitching structure comprises a shell, a pitching assembly, a driving assembly, a transmission assembly and a limiting assembly. When the driving assembly drives the output end of the transmission assembly to rotate in the first direction, the pull rope can be tensioned. When the pull rope is tensioned, the reset piece is compressed, so that the pitching assembly rotates towards the second direction and is in a buckled state; when the driving assembly drives the transmission assembly to rotate in the direction opposite to the first direction, the transmission assembly releases the pull rope, the reset piece resets, and the pitching assembly can be rotationally opened from the buckled state in the direction opposite to the second direction, so that the pitching assembly is in the opened state. According to the pitching structure, the driving assembly, the transmission assembly and the limiting assembly are ingeniously matched with one another, the rocker arm can be buckled, the opening state of the rocker arm can be kept and switched, and when a toy shell is installed on the pitching assembly of the pitching structure, the interestingness of a toy is improved.

The application discloses a wire-driven multi-mode folding and unfolding gripper with a flexible joint, which has a folding and unfolding gripping part composed of three X-shaped scissors units in a circumferential direction, and adjacent scissors units are connected through connecting assemblies. The bottom of the folding and unfolding gripping part is connected with the flexible joint, and in an initial state, the whole is in a folded state under the action of a torsional spring. Motion control of the application is realized through three driving wires in the circumferential direction, including bending motion control that can pass through a narrow and curved pipeline, capture motion control after reaching a target position, and locking control after successful capture. Meanwhile, the application proposes a driving wire control strategy to realize the control and switching of various motion modes of the gripper. In summary, the application has a small size in the folded state to pass through a narrow cavity environment, and the operation task is completed by virtue of the reconstruction of the mechanism motion mode and the change of the driving wire control law.

The utility model belongs to the technical field of automatic production, and particularly relates to an indexing system with a station rotating function. Comprising an indexing plate, an indexing driving device, a rotating platform, a rotating driving device and a positioning clamp. A driving shaft of the indexing driving device is fixed to the center of the indexing disc, the multiple rotating platforms are arranged on the rotating platforms and arranged around the circumference of the indexing disc at equal intervals, and each rotating platform is provided with a positioning clamp. A driving interface of each rotating platform is in transmission connection with one rotating driving device, each rotating driving device is fixed on the lower surface of the dividing plate, each rotating driving device is connected with one end of the conductive slip ring through one protection switch, and the other end of the conductive slip ring is connected with a power supply. According to the utility model, the stations do not need to be transported and circulated, the equipment failure rate is reduced, the positioning precision is high, and the productivity is obviously improved.

The utility model discloses a kind of optical filter switching mechanism and camera module, it is related to optical imaging field, wherein, optical filter switching mechanism includes: upper cover;Lower cover is connected with upper cover buckle, lower cover is equipped with the installation slot being communicated with containing cavity, upper cover and lower cover are all set up the window being communicated with containing cavity, and two windows are oppositely arranged;Shading piece sets up first port and second port, and shading piece is pasted with first optical filter opposite with first port and second optical filter opposite with second port, one end of shading piece is equipped with connecting hole;Driving mechanism is located in installation slot, driving mechanism includes connecting frame and power component, power component is connected with connecting frame and drives connecting frame reciprocating rotation, one end of connecting frame is equipped with connecting rod, connecting rod is inserted into connecting hole to drive shading piece to slide in containing cavity, and switch first optical filter and second optical filter cover window to pass through light.The optical filter switching mechanism structure simple that the utility model technical scheme proposes can quickly switch optical filter.

This invention provides a novel light field AR-HUD device integrating dual-focal-plane and triple-focal-plane displays. In this invention, light from three different virtual image distances is emitted from the same image source. The light from the farthest focal plane passes through an adjustable optical path device and is transmitted together with the light from the intermediate focal plane to a small freeform surface mirror. The light from the closest focal plane is emitted by the PGU and transmitted to the small freeform surface mirror. Then, the light from all three focal planes is projected onto a large freeform surface mirror and reflected by the car windshield into the driver's eyes, allowing the driver to simultaneously see images from three different distances. This invention uses a single PGU and, through its optical structure, can achieve switching between dual-focal-plane and triple-focal-plane light field AR-HUD displays, meeting the needs of more driving scenarios, resulting in more layered images and superior display effects, while avoiding a significant increase in cost, providing a new solution for the development of HUD technology.

The embodiment of the invention provides a voice wake-up link switching method and electronic equipment, and relates to the technical field of intelligent voice control. The method comprises the following steps: acquiring detection audio data obtained by recording a currently played audio by a plurality of microphones, and extracting audio energy characteristics comprising a recording energy value of a single microphone and a recording comparison result of any two microphones from the detection audio data; and based on the audio energy characteristics, a detection model is used to generate switching decision information. And then the switching decision information is written into the voice wake-up control chip, so that the voice wake-up control chip determines a voice wake-up link according to the switching decision information. According to the method, automatic detection and switching of low-power-consumption voice wake-up links can be achieved, when one microphone link of the electronic equipment is abnormal, voice wake-up continues to be conducted through other microphone links, and the voice wake-up rate of the electronic equipment is increased.

The present application relates to the technical field of stadium maintenance, and particularly relates to a renovation device for stadium seats, which comprises a frame and a painting assembly arranged in the frame, the painting assembly comprises a partitioned material guiding piece arranged in the frame and an automatic coating piece arranged at the end of the partitioned material guiding piece, the interior of the partitioned material guiding piece is provided with a material passing piece, the upper end of the material passing piece is provided with an adjustable limiting piece, and the upper end of the frame is provided with a driving piece; when it is necessary to coat and renovate the long seat with different color intervals, the driving piece is started, the driving piece drives the partitioned material guiding piece and the automatic coating piece to move on the long seat, the automatic coating piece automatically discharges paint and performs coating renovation, and when the paint is coated to the junction of two colors, the material passing piece automatically switches to different paint for coating under the limitation of the adjustable limiting piece, so that the automatic discharge and switching of the paint are realized.

The invention provides a dual-system fingerprint service method and device, and is applied to the technical field of fingerprint identification, the dual-system fingerprint service method is applied to a terminal device, the terminal device is provided with a first system and a second system, and the ROOT domain of the terminal device is configured with a fingerprint identification component. The fingerprint identification component is associated with a fingerprint hardware resource of the terminal equipment, and the first system and the second system share the fingerprint identification component; the method comprises the following steps: when a foreground system monitors a fingerprint operation request, the foreground system calls a fingerprint identification component to respond to the fingerprint operation request. The system stability and the system switching efficiency of the terminal equipment can be improved.

This invention discloses a jaw crusher, including a frame assembly, a fixed jaw plate, a movable jaw assembly, a rocker arm assembly, a suspension shaft assembly, and a transmission assembly. The frame assembly includes two side plates arranged opposite each other. This jaw crusher suspends the upper part of the movable jaw assembly to the frame assembly via the suspension shaft assembly, and adjusts the lower part of the movable jaw assembly to a fixed base via the rocker arm assembly. Furthermore, a first connecting assembly and a second connecting assembly on the movable jaw assembly, along with a sliding groove on the fixed base, allow the rocker arm assembly to be adjusted between different connection positions and different adjustment positions. This not only enables fine-tuning of the discharge opening but also allows switching of the discharge opening adjustment range, effectively increasing the adjustment range of the discharge opening and facilitating adjustments according to different material particle sizes and different working conditions.