603results about How to "Increased operating comfort" patented technology

The invention provides a method and a device for judging holding states on touch equipment, an adaptive method based on user holding states and a system based on the user holding states. The method for judging the holding state on the touch equipment mainly includes receiving contact data of a user on the touch equipment; determining corresponding contact areas according to the contact data; and judging the holding states of the user according to parameters of the contact areas and physiological properties of hands. The accuracy of judgment results of the holding states can be improved through the method and the device.

The invention discloses a mobile wearable non-contact interaction system and method. The system specifically comprises an image acquisition module, a gesture identification module, an embedded microcontroller module, a voice acquisition module, a voice processing module and a bone conduction module which are physically integrated to form equipment capable of being mounted on the head of a user or a portable wearable whole body. The system integrates the interaction functions of gesture detecting and tracking, voice identification and the like; the interaction method is capable of converting interaction information into a control instruction required by a terminal and transmitting the control instruction to the terminal through a network to realize terminal control; in addition, the bone conduction technology is creatively added, so that personalized services can be provided for the user and a new platform enjoying television entertainment can be provided for people with hearing impairment; an existing set-top box is modified, so that the application range of the system can be greatly expanded, the system cost can be reduced, and great convenience is also brought to the user.

The invention discloses a piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper which comprises a vibration damper body and a vibration damper controller. The vibration damper body comprises a cylinder barrel, a pressure supporting floating piston, a middle isolation floating piston, a piston rod, piezoelectric generation modules, a spring pressing plate, a force transfer spring, a spring clamping seat, a lower permanent magnet, a magnetic coil, an upper permanent magnet, a magnetism isolating plate, a piston, an excitation coil winding, an electromagnetic induction coil fixing rod and an electromagnetic induction coil. A control box is arranged on the outer wall of the cylinder barrel, the vibration damper controller is arranged inside the control box, and a rectifier, a storage battery charging circuit, a first controllable constant current source circuit and a second controllable constant current source circuit are further arranged inside the control box. The invention further discloses a control method of the piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper. The piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper has the piezoelectric and electromagnetic induction dual energy feedback function, can achieve not only a damping change function but also a rigidity change purpose, and has good vibration damping performance.

The invention discloses a sealing film for a puncturing device. The sealing film includes a proximal opening, a distal opening and a sealing wall extending from the distal opening to the proximal opening. The distal opening is formed by a sealing lip for accommodating an inserted apparatus and forming hermetic seal. The sealing wall comprises a plurality of corrugations circumscribing the distal opening and extending laterally from the distal opening, and the corrugations comprises corrugation peaks and corrugation valleys. The sealing wall further comprises at least two thickened portions, each thickened portion is disposed laterally between the two adjacent corresponding corrugations, and the thickened portions are located between the corresponding corrugation peaks and the correspondingcorrugation valleys. The corrugations can increase the circumferential perimeter, can reduce the wrapping area, and can reduce the true contact area between an instrument and the sealing film; and the sealing wall is further provided with the thickening portions, the thickening portions increase the axial tensile rigidity, greatly reduce the frictional resistance and improve the stick slip, and reduce the probability of occurrence of sealing film introversion.

The invention provides an electromechanical brake control system, which includes a brake signal input unit, a wheel speed acquisition unit, a microcontroller, and a plurality of electromechanical brakes corresponding to a plurality of wheels respectively, wherein the brake signal input unit is used for generating brake signals and outputting the brake signals; the wheel speed acquisition unit is used for acquiring wheel speeds in real time and outputting the acquired wheel speed signals; the microcontroller is used for receiving the brake signals and the wheel speed signals in real time and outputting a plurality of paths of control signals according to the brake signals and the wheel speed signals, so as to control and drive the electromechanical brakes in real time; and the electromechanical brakes are used for braking the corresponding wheels respectively according to the plurality of paths of control signals outputted by the microcontroller. The electromechanical brake control system has the advantages of simple structure, small volume, rapid brake response and good brake effect.

An electric power steering drive system provided with a motor with its torque pulsation reduced, and a controller characterized by excellent manufacturability.The stator core of a motor is composed of an annular back core and a plurality of teeth created separately from the back core and secured on the inner periphery of the back core. An 8-pole / 9-slot, 10-pole / 9-slot or 10-pole / 12-slot relationship is found between the number of the magnets of a rotor (number of poles) and the number of slots. The diameter of the stator coil is 1.0 mm or more. A motor controller comprises a power module, a conductor module and a control module. The terminal of the power module and the bus bar of the conductor module are connected by welding, whereas the terminal of the power module and terminal of the control module are connected by soldering.

The invention discloses a self-limiting electronic gear shifter. The gear shifter mainly comprises a pedestal, a housing, a gear shift lever, a cam seat and a gear shift switch, wherein the housing is arranged on the pedestal to form a chamber; the cam seat and the gear shift switch are arranged in the chamber; the gear shift switch is contacted and matched with the cam seat; the gear shift leveris connected with the cam seat; the housing is provided with a sliding chute which is matched with the gear shift lever; the gear shifter is characterized in that the gear shift lever mainly comprises an outer rod capable of being pressed down and a connecting rod arranged in the outer rod; a spring is arranged between the top of the connecting rod and the outer rod, and the other end of the connecting rod is connected with the cam seat; a circular arc groove is also formed in the chamber; the outer rod is also connected with a limiting body which is also arranged in the circular arc groove; and the circular arc groove is provided with a limiting groove which is matched with the limiting body along a corresponding part of each gear position. The self-limiting electronic gear shifter of the invention has a self-locking function, so that the operating safety of vehicles is ensured, and good handfeel is achieved during gear shifting.

The invention discloses a partial discharge comprehensive itinerant detector for high voltage electric power equipment. The partial discharge comprehensive itinerant detector for the high voltage electric power equipment is characterized by comprising a host and a sensor group connected with the host, wherein the sensor group comprises a transient state ground potential sensor, an ultrahigh frequency electromagnetic wave sensor, a non-contacting ultrasonic sensor and a contacting ultrasonic sensor; the transient state ground potential sensor is used for detecting a current pulse signal on the shell of the electric power equipment; the ultrahigh frequency electromagnetic wave sensor is used for detecting an electromagnetic wave signal transmitted from the inside of the electric power equipment; the non-contacting ultrasonic sensor is used for detecting an ultrasonic wave signal transmitted from the inside of the electric power equipment; the contacting ultrasonic sensor is used for detecting shell vibration caused by the ultrasonic wave signal transmitted from the inside of the electric power equipment; and the transient state ground potential sensor, the ultrahigh frequency electromagnetic wave sensor, the non-contacting ultrasonic sensor and the contacting ultrasonic sensor are all connected with the host. According to the partial discharge comprehensive itinerant detector, a transformer, a composite apparatus (gas insulated switchgear) and a switch cabinet can be conveniently subjected to partial discharge electrification detection, and the partial discharge comprehensive itinerant detector for the high voltage electric power equipment has the outstanding advantages of convenience in carrying the instrument, as well as quickness and intellectualization in detection.

The invention discloses an X-shaped lifting table. The X-shaped lifting table comprises two table legs and a table top as well as two reset type supporting structures and a locking mechanism, wherein the two table legs are arranged below the left end and right end of the table top in parallel; and each table leg is connected with the lower end of one reset type supporting structure, and the upper end of each reset type supporting structure is connected with the bottom of the table top. The X-shaped lifting table adopting the technical scheme of the invention has the advantages that the X-shaped lifting table not only comprises the two reset type supporting structures which are arranged in a bilateral symmetry manner but also comprises the locking mechanism, so that the operation is simple and easy when the table top is lifted; meanwhile, the operation comfort degree and the operation efficiency are obviously improved, so that the requirement of people for realizing alternate office between a sitting posture and a standing posture can be met; besides, people are willing to realize the alternate office between the sitting posture and the standing posture, thereby being more beneficial to health of a user.

The invention discloses electronic equipment, which comprises a shell body, a reel, a driving mechanism, a flexible display screen and a supporting part, wherein an opening is formed in the shell body; the reel is rotatably arranged on the shell body, the flexible display screen is connected with the supporting part, and the flexible display screen and the supporting part can be wound on the reel;the driving mechanism is arranged on the shell body and connected with the reel, and the driving mechanism drives the reel to rotate to drive at least part of the flexible display screen to retract into the shell body through the opening or drive at least part of the flexible display screen to extend out of the shell body; and the supporting part can be switched between a flexible state and a rigid state, the supporting part is in the flexible state under the condition that at least part of the flexible display screen retracts into the shell body, and the supporting part is in the rigid stateunder the condition that at least part of the flexible display screen extends out of the shell body. According to the electronic equipment, the problems that a mobile phone with a large display screen is inconvenient for a user to operate and poor in portability can be solved.

The invention provides a rotary hydraulic system and construction machinery. The rotary hydraulic system comprises a rotary motor, a brake oil cylinder, a main valve, a shuttle valve and a brake anti-lock valve. The brake anti-lock valve includes a first check valve and a hydraulic-control selector valve. An oil return port T of the main valve is communicated with a hydraulic control end Y of the hydraulic-control selector valve. An oil inlet port P is communicated with an oil return port of the first check valve and a port B of the hydraulic-control selector valve synchronously. A hydraulic control end X of the hydraulic-control selector valve is communicated with a port A of the shuttle valve. The port A of the shuttle valve and an oil outlet port of the first check valve are communicated with the brake oil cylinder synchronously. The main valve is communicated with the oil inlet port P and the oil return port T while a valve core is positioned at the center. When a rotary mechanism is rapidly stopped, the hydraulic-control selector valve is closed, the oil inlet port P of the main valve is communicated with the brake oil cylinder through the first check valve to prevent a brake from being closed, and accordingly, only if the rotary mechanism shakes, the brake is not locked, sense of impact is greatly reduced, and operational performance and operational comfort of rotary actions are further improved.

The invention relates to a centering device which is used for solving the problem that the deflection of the existing centering device influences the accuracy of measured data. A no-deflection centering device comprises a fixing bracket, a support frame and a connecting part, wherein the fixing bracket is a quadrilateral frame structure comprising an upper rod-like part and a lower rod-like part, which are in parallel, opposite grooves are arranged on opposite surfaces of the rod-like parts to clamp one shaft in two structures to be centered, the lower side surface of the lower rod-like part, corresponding to the center of the groove, is vertically extended downwards to form a fixing rod; a vertical support plate on the support frame, parallel to the fixing bracket, forms a right angled structure with a back opposite to the fixing frame together with a horizontal support plate, so as to bear the other shaft in the two structures to be centered; two ends of the connecting part are respectively connected with the lower end of the vertical support plate and the lower end of the fixing rod, the lower end of the fixing rod is vertically connected with an adjusting rod, a counter weight is sheathed on the adjusting rod, an end surface measuring instrument is arranged on the vertical support plate, and an annular surface measuring instrument is arranged on the horizontal support plate, in the way, the centering device can eliminate the effect of the deflection on the measuring results.

A superimposed steering system for a vehicle, e.g., a servo-assisted or power steering system for a motor vehicle, includes a differential drive, which is configured as a shaft drive and has a first input shaft and a second input shaft, for superimposing the rotational angles that occur in the first and second input shafts on an output shaft of the differential drive. The output shaft acts on an input shaft of a steering gear. The first input shaft interacts with a steering handle by a steering shaft and the second input shaft interacts with a servo motor. A superimposed steering system may apply an additional steering angle, without play, to the output shaft and may have a simple, cost-effective, space-saving construction, while being easy to install. The first input shaft is directly connected in a detachable manner to a radially flexible flex-spline of the shaft drive, the first input shaft passing through an eccentric drive core of the shaft drive, which extends into the radially flexible flex spline.

The invention discloses an operating method for a tractor clutch operating device with hydraulic assistance. A booster cylinder is connected with a clutch pull rod through a clevis by a clutch pedal, an output pipeline of a steering constant flow pump of a tractor provides pressure for the booster cylinder, and a piston rod of the booster cylinder is connected with the clutch pull rod through the clevis. When a driver steps on the clutch pedal, firstly power is provided for a throttling valve in the piston rod to enable an upper cavity and a lower cavity in an assistance oil cylinder to generate a pressure difference, the piston rod is pushed to pull the clutch pull rod, the clutch is separated, the easy control of the clutch is achieved, the torque reserve coefficient of the clutch is increased, the operating force of the driver is reduced, and the operating comfort of the driver is improved.

The invention discloses a permanent magnet synchronous motor direct torque control method based on model predictive control, and belongs to the technical field of control. The invention aims to provide the manent magnet synchronous motor direct torque control method based on model predictive control, wherein by means of an electric vehicle wheel hub motor drive control method based on extended Kalman estimation and model predictive control, the defects in the prior art can be well overcome. According to the permanent magnet synchronous motor direct torque control method based on model predictive control, firstly, an extended Kalman principle is used for completing motor drive system estimator designing, secondly, torque and flux linkage values obtained by the estimator are used as feedbackvalues which are transferred to a motor control system controller along with reference set values, and finally, by solving an optimum control problem corresponding to a target function, fast accuratetracking control of motor torque and flux linkage is completed by the system. By means of the permanent magnet synchronous motor direct torque control method based on model predictive control, the problems of complex coordinate change and current magnitude coupling in a motor model are effectively solved, the system complexity is reduced, and dynamic response speed of the system and the intuitionism and the reliability of a system control effect are improved.

The invention relates to a forklift gantry which comprises four classes of gantries and a goods fork frame, wherein two rear lifting oil cylinders are uniformly distributed on a connecting plate of the first class gantry, and the piston rod ends of the rear lifting oil cylinders are connected with the second class gantry; a second class chain wheel, a second class chain, the second class gantry and the first class gantry form a moving chain wheel group; the third class chain wheel, the third class chain, the second class gantry and the highest class gantry form a moving chain wheel group; andthe third class gantry and the highest class gantry are pulled by the chains to move relative to the first class gantry under the interaction of the rear lifting oil cylinders and the chains. Front lifting oil cylinders are uniformly distributed on the highest class gantry; the piston rod ends of the front lifting oil cylinders are provided with two chain wheels; and one ends of the two chains matched with the chain wheels are connected with the highest class gantry, and the other ends are connected with the rear part of the goods fork frame. The chain wheels, the chains, the highest class gantry and the goods fork frame form a moving chain wheel group; and the goods fork frame can move relative to the highest class gantry. The four groups of gantries are compactly distributed and are basically distributed in parallel, thereby ensuring minimal front suspension and favorable visual field.

In a cruise control system for motor vehicles having a stop-and-go function for automatically keeping the vehicle stopped and a shutoff function for automatically shutting off the cruise control system when the brake pedal is being operated, the shutoff function is not operational if predefined conditions are met, including the condition that the velocity is not greater than a predefined shutoff velocity.

The invention discloses a method and a device for improving the operation comfort of an excavator. The device is characterized in that a one-way throttle valve is additionally arranged at one end or both ends of a pilot oil line of a revolving control valve core and a movable arm control valve core; when pilot oil flows to a main control valve core from a corresponding pilot valve, the single throttle valve on the branch is in an opened state; when the pilot oil flows to the corresponding pilot valve from the main control valve core, the one-way throttle valve on the branch is in a closed state, and the pilot oil returns through throttle holes of the one-way throttle valve. By arranging the one-way throttle valve on the pilot oil of the revolving control valve core and the movable arm control valve core, the oil returning speed is limited, and the hydraulic impact is reduced, thus the operation comfort is enhanced.

The invention discloses an electric children safety structure of an automobile door lock, comprising a motor; the motor drives a worm and is connected with the worm; the worm is meshed with a worm gear; a first shaft is sleeved by the worm gear; the worm gear is provided with a first bulge matched with the first end of a pushing swing rod; a second shaft is sleeved by the pushing swing rod; the second end of the pushing swing rod is matched with a transitional rod; the transitional rod and an inward opening rod can slide mutually; the inward opening rod drives a handle inside an automobile and is connected with the handle inside the automobile; a third shaft is sleeved by the inward opening rod capable of overcoming a torsion of a second torsion spring and rotating around the axis of the third shaft; the motor drives the worm to rotate; the worm drives the worm gear to rotate; the first bulge on the worm gear toggles the pushing swing rod to rotate; and when the pushing swing rod drives the lower end of the traditional rod to be close to a plane where an opening connecting rod is located, an inward opening handle is pulled to drive the inward opening rod to overcome the torsion of the second torsion spring, so that the lower end of the transitional rod toggles the opening connecting rod to overcome a torsion of a first torsion spring to drive a pawl to rotate, and furthermore, the door lock is unlocked.

The invention discloses an excavator converging control system and an excavator thereof. The system comprises a pilot valve, a main valve and a converging valve, wherein the control end of the main valve is connected with the control end of the converging valve, and the output end of the pilot valve is respectively connected with the control ends of the main valve and the converging valve; a pressure sensor is connected with the control end of the main valve to detect the pressure value of the input end of the main valve and send the pressure value to a main controller; the main controller is connected with the pressure sensor and the control end of a proportional pressure reducing valve, acquires the operation state of the excavator according to the pressure value, and adjusts the opening of the proportional pressure reducing valve according to the speed of a movable arm or a bucket rod which corresponds to the preset operation state; and the input end of the proportional pressure reducing valve is respectively connected to an oil line between the output end of the pilot valve and the control end of the main valve as well as between the output end of the pilot valve and the control end of the converging valve, and the proportional pressure reducing valve is used for shunting the hydraulic oil which is output to the main valve and the merging valve by the pilot vavle under the control of the main controller. The action speed of the movable arm or the bucket rod of the excavator is coordinated with that of the other parts, so the working efficiency and the operation comfortability of the excavator are improved.

The invention discloses a hotel guest room control system, which comprises a guest room controller arranged in each guest room, a communication interface module connected with each guest room controller, and a lamplight control module, a key input module, a relay output module and a multimedia control module which are connected with each communication interface module, wherein each guest room controller is connected with a hotel management system and a user client by means of the corresponding communication interface module, so as to realize the control of lamplight and multimedia in a room by means of the hotel management system and the user client. The intelligent lighting and multimedia integration guest room control system has the advantages of performing intelligent control on lamplight equipment and audio / video equipment in the room, enhancing operation comfort of the user, and realizing intelligent linkage and green and energy conservation of the equipment in the hotel.

A walk-behind electric gardening device, comprising: a base unit arranged to move on a surface; a handle assembly connected to the base unit; a tool connected to the base unit for performing gardening operation; a first drive unit operable to propel the base unit; a second drive unit operable to drive the tool; and a switch assembly operable by a user to selectively activate and deactivate the first drive unit.

The invention discloses a custom virtual keyboard system and a touch screen mobile terminal. The custom virtual keyboard system is used for customizing keys on a virtual keyboard of a mobile terminal, and comprises a key setting module, and an identification and response module, wherein the key setting module is used for performing custom setting on the keys of the virtual keyboard, and storing the set information of the keys; and the identification and response module is connected with the key setting module, and is used for identifying and responding to the custom set keys. By using the custom virtual keyboard system, the virtual keyboard of the touch screen mobile terminal can be customized freely, fashion requirements at high level of a user are met, operation comfort degree of the user is enhanced, and individual space can be brought into full play.

The invention discloses a motor arranged on an automotive chassis, which is connected with a hydraulic mechanical combined transmission box through a hydraulic clutch mechanism and a mechanical clutch mechanism. The upper part of the front end of the hydraulic mechanical combined transmission box is provided with a variable pump and a triple gear working pump, and the lower part of the front end of the hydraulic mechanical combined transmission box is provided with a variable motor; the variable pump is connected with the variable motor through a hydraulic rubber pipe; the left side of the lower part of the front end and the rear end of the hydraulic mechanical combined transmission box is provided with a front transmission shaft and a rear transmission shaft, wherein the front transmission shaft is connected with a front axle, and the rear transmission shaft is connected with a rear axle; and the connection position of the front transmission shaft and the hydraulic mechanical combined transmission box is provided with an axle releasing mechanism. The adopted hydraulic mechanical combined transmission box has hydraulic transmission at a low speed, mechanical transmission at a high speed, maximum running speed of 80 km / h and double characteristics of engineering machinery and an automobile, not only meets the operation characteristics of four-wheel turn and four-wheel drive of the low-speed engineering machinery, but also has the high-speed running functions of two-wheel turn and two-wheel drive of the automobile.

The invention relates to a pile driver. The existing pile driver is usually heavy and can be normally operated by two or even more people, and an air source is very inconvenient to install and carry. The invention provides the pile driver, which comprises a box body, a lifting handle, an air cylinder, a piston, a striking hammer, a casing, a crankshaft, a connecting rod and a transmission device. The pile driver is characterized in that the pile driver further comprises an iron anvil and an iron anvil holder, the iron anvil comprises a striking part and a body used for being fit with the casing, a through hole fit with the striking part is formed in the iron anvil holder, the striking part of the iron anvil penetrates through the through hole and is fit with the striking hammer, and the body is limited by the iron anvil holder; a No.1 hole, a No.2 hole and a No.3 hole are sequentially formed in the air cylinder from bottom to top, an air passage is formed in the box body, and the No.1 hole, the No.2 hole and the No.3 hole are communicated with the air passage. The pile driver has the advantages that the structure is simple, the design is reasonable, the striking force of the striking hammer is great, the vibration is small, the operation comfort is good and the service life of sealing pieces is long.

The invention provides an electric power steering system, a control method and an automobile. The electric power steering system comprises a motor and a processor; the processor is used for obtaining rack stroke of a steering gear; determining whether the rack stroke of the steering gear is larger than a rack stroke threshold value; if the rack stroke of the steering gear is larger than the rack stroke threshold value, reducing the current output to the motor according to the rack stroke; an input end of the motor is connected with the processor and an output end is used for connecting the steering gear and for outputting torque to the steering gear under the control of the current. According to the electric power steering system, the control method and the automobile, the torque output to the steering gear from the motor is reduced when getting close to a limit position, which effectively reduces impact and noise and increases service life of parts and comfort of operation.