210results about How to "Control" patented technology

A voltage regulator, which generates and outputs a given voltage based on a preset reference voltage, includes: a detection circuit part detecting the output voltage and generating and outputting a voltage based on the detected voltage; first and second operational amplifiers each comparing the output voltage of said detection circuit part and the preset reference voltage and outputting a voltage representing a comparison result, the first operational amplifier being controlled based on control signals supplied externally and consuming a larger amount of electric current than the second operational amplifier; and an output circuit part comprising an output transistor outputting an electric current based on the output voltages of the first and second operational amplifiers.

The invention discloses an automatic conveying device for parts. A groove for conveying the parts on a vibrating groove is connected with the outlet end of a conveying groove spirally arranged on a vibrating disc, the tail end of the vibrating groove is provided with a manipulator for clamping a workpiece, the manipulator is arranged on a first cylinder which is arranged on a second cylinder, the manipulator is moved in the vertical direction and the horizontal direction by driving the first cylinder and the second cylinder, the automatic conveying device for the parts also comprises a third cylinder, the front end of the third cylinder is provided with a pushing block for pushing the third cylinder to move forwards and backwards, and the position of the pushing block is opposite to a feed opening of a processing device. The automatic conveying device can automatically finish the conveying process of the parts, has high conveying efficiency, does not need a special personnel, reduces the manpower cost, can accurately control the inserting depth and the force through the pushing block driven by the cylinder to push the parts to be inserted into the processing device, and can reduce the defective index of the processed parts.

The invention discloses a quasi-circular fruit and vegetable picking end executor, method and robot. The end executor comprises a box, a clamping mechanism and a cutting mechanism. An electromagnet and a motor are arranged in the box. The clamping mechanism comprises an elastic moving component, a fixing block, left claw mechanical fingers, right claw mechanical fingers and a sliding restraining disc for controlling the open angel of the left claw mechanical fingers and the right claw mechanical fingers. The left claw mechanical fingers and the right claw mechanical fingers penetrate the sliding restraining disc and are connected with the fixing block through pins respectively, and gaps for enabling the left claw mechanical fingers and the right claw mechanical fingers to move are formed in two sides of the fixing block respectively. One end of the elastic moving component penetrates the center of the electromagnet, and the other end penetrates the fixing block to be fixedly connected with the sliding restraining disc. The motor is connected with the cutting mechanism. The end executor is simple in structure, convenient to use and provided with certain fruit and vegetable picking universality and represents the light weight purpose of mechanical development.

Contact lenses incorporate high plus or ADD power profiles that at least one of slow, retard or preventing myopia progression and minimize halo effect. The lens includes a center zone with an ADD power for myopia progression treatment and at least one myopia vision correction power in a peripheral region surrounding the center zone.

The invention relates to a whole-body knocking massage couch which comprises a rack, wherein a bed plate is arranged at the upper part of the rack; a sinking groove in which a human body is put in is formed in the upper surface of the bed plate; a plurality of rows of through holes are formed in the area, corresponding to the back of the human body, of the sinking groove; two through holes are formed in the area corresponding to a cervical vertebra area of the human body; a plurality of through holes are respectively formed in the areas corresponding to two legs; a crank shaft member which is driven to rotate by a motor is arranged in the rack and comprises a plurality of crank shaft sections which are connected one another to form a shape like a Chinese character 'ji'; each crank shaft section comprises a connecting rod neck and connecting sheets; the connecting sheets are respectively arranged at two ends of the connecting rod neck; a plug is arranged on the outer side wall of the other end of one connecting sheet; a socket for accommodating the plug is formed in the outer side wall of the other end of the other connecting sheet; a plurality of convex ribs are evenly distributed on the outer side wall of the end part of the plug; and sinking grooves are formed in the end surface of the socket. The whole-body knocking massage couch is simple in structure, and low in preparation cost, and is capable of selectively massaging the whole body.

The invention discloses a sequential lifting device for cleaning tools of a floor cleaning robot. The sequential lifting device comprises a single degree-of-freedom power assembly, a lever assembly, a disc brush assembly and a water absorbing rake assembly, wherein a power device in the single degree-of-freedom power assembly is fixed on a power device bracket and connected with a push-pull connecting rod cross beam, two ends of the push-pull connecting rod cross beam are provided with push-pull connecting rods, the lower position of the push-pull connecting rods is connected with the disc brush assembly, and the end of the push-pull connecting rod is provided with a chute; and a lever in the lever assembly is arranged on a pivot connecting rod, the short arm end of the lever is connected with a tension spring, the long arm of the lever passes through the chute of the push-pull connecting rod, and the end of the lever is connected with the water absorbing rake assembly. The sequential lifting device has simple structure, is convenient to control, realizes step-by-step motion of multiple cleaning tools, saves the cost, is convenient to drive and control, and can effectively reduce the abrasion of the cleaning tools and the floor, effectively protect the cleaning tools and the floor, furthest reduce the residual sewage of the floor, meanwhile save the energy required by the robot during moving and save energy consumption.

The invention discloses a hinge damping buffer structure which comprises a connection arm, a hinge cup seat, a transmission arm assembly and an elastic assembly, wherein two ends of the transmission arm assembly are respectively connected with the connection arm and the hinge cup seat in a rotatable manner; the elastic assembly is arranged on the transmission arm assembly; the connection arm is hinged with the hinge cup seat through matching between the transmission arm assembly and the elastic assembly, to realize opening and closing of a hinge. The hinge damping buffer structure is characterized in that a damper is arranged on the connection arm in a sliding manner; the transmission arm assembly is hinged with a pushing element; a zigzag region is arranged on the pushing element and at least acts on one end of the damper when the hinge closes a travel; the damper slides on the connection arm and is compressed to generate damping buffer force; the zigzag region is at least separated from one end of the damper when the hinge opens a travel; the damper slides on the connection arm and is reset to the initial position. The hinge damping buffer structure has the characteristics of simple and reasonable structure, excellent performance, quickness in assembling, long service life, low manufacturing cost, easiness in production and implementation, safety and reliability, and is high in practicability.

The invention discloses a manual table tennis ball launching device, which comprises a launch tube, a ball drop hole is arranged on the top surface of the launch tube, a telescopic hose is connected to the ball drop hole, and a ball chamber for holding table tennis balls is connected to the top of the telescopic hose , There is a suspension mechanism on the ball chamber, a cylindrical bullet block is arranged in the launch tube, and an ejection spring is arranged in the ejection tube behind the bullet block. One end of the ejection spring is connected with the rear wall of the ejection tube, and the other end is connected with the bullet block Connected, the center of the rear wall of the catapult is provided with a drawstring hole, the center of the projectile is connected with a drawstring, the tail end of the drawstring passes through the drawstring hole and is connected with a draw ring, and the bottom of the launch tube is fixed There is a ball hinge, a hinge seat is provided below the ball hinge, an upper support rod is fixed below the hinge seat, and a U-shaped card seat is fixed at the bottom of the upper support rod inserted into the lower support rod in the lower support rod. The beneficial effects obtained by the invention are: (1) the structure is simple; (2) the serving speed and the serving frequency are improved.

The invention relates to a method for testing a touch screen, which comprises the following steps of: receiving a pre-test parameter and a test parameter, which are set by a user, for testing the touch screen by using a pen point driven by a voice coil motor, wherein the pre-test parameter comprises a coordinate value of an ideal position at which the pen point is needed to arrive when the pen point approaches the touch screen; controlling the voice coil motor to drive the pen point to approach the touch screen to be tested according to the pre-test parameter; reading the coordinate value of an actual position at which the pen point arrives; determining that the pen point contacts the touch screen to be tested when a difference between the coordinate value of the actual position at which the pen point arrives and the coordinate value of the ideal position set by the user is beyond the allowable range; and controlling the voice coil motor to drive the pen point to test the touch screen to be tested according to the test parameter when the pen point contacts the touch screen to be tested. In addition, the invention provides a system for testing the touch screen. By the method and the system, the touch screen can be accurately tested.

The invention discloses a die-casting die capable of secondarily laterally pulling a core. The die-casting die comprises an upper die and a lower die; a main mold core is arranged into a lateral core pulling hole in the upper die, comprising a rotating sleeve, a driving pulling core adapted into the rotating sleeve, and a mold core sleeve, wherein the mold core sleeve is in rotating connection to the small front end of the rotating sleeve; a secondary mould core is arranged at the front part of the mold core; a T-shaped clamping groove of which the depth is gradually increased in the circumferential direction is formed in the rotating sleeve; the lower end of the secondary mould core is clamped into the T-shaped clamping groove; the rear end of a driving pulling core is connected with a driving oil cylinder; a spiral groove is formed in the front part of the driving pulling core; a sliding pin which extends into the rear end of the spiral groove is arranged at the inner sidewall of the rotating sleeve; an arc-shaped groove of which the depth is gradually reduced in the circumferential direction is formed in the outer side surface of the rear end of the rotating sleeve; a spring bolt is arranged in the lateral core pulling hole; a spring bolt pressing spring is arranged at the rear end of the spring bolt. With the adoption of the die, a lateral forming hole and a radial blind hole in the inner wall of the lateral forming hole can be synchronously formed at a time, so that later secondary mechanical processing can be avoided, and the production efficiency can be increased.

A damping force releasing and locking mechanism of a furniture hinge. The damping force releasing and locking mechanism of the furniture hinge comprises a hinged cup base, a hinged arm, an elastic arm and a damper. One end of the elastic piece acts on the hinged cup base, and the other end of the elastic piece acts on the hinged arm. The damper is arranged on a concave portion of the hinged cup base, and the hinged arm is hinged to the hinged cup base and acts on the damper at least when the hinge is closed. A cushioning stroke of the damper is shortened, and cushioning force is generated. A cover plate is located on the concave portion. The damper is limited on the cover plate in a sliding mode and is provided with a locating portion. The cover plate is provided with a linear switch, and the linear switch is at least provided with an acting portion and a locking portion. The acting portion is acted through a tool or through manual work, the linear switch does linear movement on the cover plate and the locking portion of the linear switch is disengaged from and/or buckled with the locating portion of the damper, so the cushioning stroke of the damper can be released and/or locked. The damping force releasing and locking mechanism of the furniture hinge has the advantages of being simple and reasonable in structure, reliable in performance, easy to produce and implement, quick in adjustment, convenient to operate, wide in application range and the like, thereby being high in practicability.

The invention discloses an adjustable damping hovering structure of a flap-up door of furniture. The adjustable damping hovering structure comprises a fixing seat, a spring, a connecting arm assembly and a stopping and butting element. The connecting arm assembly at least comprises a first connecting arm, a second connecting arm and a middle arm; the first connecting arm and/or the second connecting arm are hinged to the fixing seat, the middle arm is hinged to the fixing seat and/or the stopping and butting element, the stopping and butting element can be opened or closed on the fixing seat under the effect of the spring, a damping hovering device is arranged on the stopping and butting element, the stopping and butting element can be hovered at any time when the damping hovering device carries out opening and closing activities outside a certain acute angle range, an adjusting assembly is arranged on a displacement element, and the displacement element can be repositioned relative to the stopping and butting element by the aid of the adjusting assembly, so that damping force of a hovering damper can be ultimately adjusted. The adjustable damping hovering structure has the advantages that the improved adjustable damping hovering structure is simple, reasonable, safe and reliable, is easy to manufacture and implement, convenient to operate, wide in service range, low in noise and high in practicality, can be quickly adjusted, can be opened and closed smoothly and is low in collision when opened and closed, and the like.

The invention provides a force modulation mode-based dip-pen nanolithography method in the technical field of nanometer manufacture, which is realized by combining a tapping mode and the force modulation technology, imaging by the tapping mode and lithographing on a setpoint by the force modulation technology. The method can accurately control the acting force and the acting time between a tip and a substrate, so the lithographing effect can be better controller, and the repeatability of lithographing operation is improved; and furthermore, the method can perform multi-point automatic location and dip-pen lithography operation once, is convenient and practical, and is advantageous to industrialization.

An apparatus for cooling inverter is disclosed, whereby an optimum heat radiation effect can be accomplished, because a flow part is divided in response to heat generation amount of an electric element arranged inside a housing to adjust an air flow.

The invention relates to a clamping and turning system. The clamping and turning system comprises a scissor-type clamping mechanism and a turning mechanism, wherein the scissor-type clamping mechanismis mounted on the turning mechanism, and comprises a first driving piece and a scissor assembly, the scissor assembly is connected with the first driving piece, the first driving piece is used for driving the scissor assembly to be closed to clamp a workpiece, the scissor assembly is further used for lifting the height position of the workpiece in the clamping process of the workpiece, and the turning mechanism is used for driving the scissor-type clamping mechanism to rotate to realize turnover of the workpiece. The clamping and turning system facilitates conveying of subsequent workpieces.

The invention relates to a manufacturing process of mild aromatic Tieguanyin tea, which is characterized by comprising the following steps: picking fresh leaves, sun drying, rocking, cooling for a long time, removing water, separating and removing impurities, kneading and shaping, drying and matching to obtain a finished product. Because the process of separating and removing impurities is carried out in advance, the manufactured finished product of the mild aromatic Tieguanyin tea of the invention has a tight, jade green, neat and well-spaced and clean shape, pure and strong aroma for a long time, fresh, mellow and sweet flavor, obvious rhyme, golden yellow, clear and bright soup color, soft and bright leaf base, obvious red edge, integral and uniform leaf base, and long-time after-taste. Compared with the traditional process, the process of the invention reduces parts of the processes, greatly improves the tea quality, reduces the cost, and has obvious economic benefit.

The invention discloses a novel abdominal retractor for surgery, and relates to the technical field of abdominal retractors. The novel abdominal retractor comprises a bottom plate, wherein the top ofthe bottom plate is fixedly connected with a stand column, the top end of the stand column is rotatably connected with a threaded column, the threaded column is in threaded connection with a threadedbushing, the side wall of the threaded bushing is fixedly connected with a supporting column, a sliding column is arranged at one end of the supporting column, and an annular rod is arranged at one end of the sliding column. According to the invention, the novel abdominal retractor is reasonable in structure; by arranging the sliding block, the U-shaped pressing plate, the butterfly nut, the threaded rod and the annular rod, the positions of the sliding block and the sliding plate can be adjusted conveniently according to the position of a knife edge, and position fixing is conducted through the U-shaped pressing plate, so that operation is convenient and easy; and by arranging the gear and the rack, force can be conveniently controlled, and the opening degree of the traction knife edge ofthe traction plate is conveniently controlled, so that unnecessary injury to the patient caused by further expanding of the incision of the patient due to direct manual sliding of the traction plateis avoided.

The invention relates to a clamp of a shock absorption machine tool. The clamp comprises a base. The base is provided with a sliding groove and a controller. One end of the sliding groove is fixedly connected with a first clamp body, and the other end of the sliding groove is in sliding connection with a second clamp body. The opposite sides of the first clamp body and the second clamp body are each sequentially connected with a cushion layer and a pressure sensor from inside to outside. Shock absorption devices are arranged in each cushion layer. The outer side of the second clamp body is connected with an air cylinder. The pressure sensors and the air cylinder are all connected with the controller. The clamp solves the problem that due to the fact that a clamp is poor in shock absorption effect and too large in clamping force, clamped objects are damaged by the clamp.

The invention discloses a driving device used for a hinge and capable of adjusting an arm of force by rotating around a shaft. The driving device comprises an outer rocker arm, an inner rocker arm and a connecting arm and a movable cup seat which are connected through the outer rocker arm and the inner rocker arm, wherein a damper is arranged in the connecting arm; the hinge is internally provided with at least a torsion spring for generating an opening and closing functional force for the movable cup seat; the driving device is characterized in that the damper is a pressure damper with one end per se arranged inside the connecting arm and the other end per se connected to a swing block at least in a hinge closing process; a middle swing member is arranged between the swing block and the inner rocker arm; a pin shaft rotationally connected to the connecting arm is arranged in the middle of the middle swing member; and the middle swing member, the swing block and/or the inner rocker arm are mutually connected in a sliding or rolling manner at least in the hinge closing process. The damper in the invention is a pressure damper; the middle swing member is arranged between the swing block and the inner rocker arm; and the swing block, the inner rocker arm and the middle swing member are connected mutually in the sliding or rolling manner at least in the hinge closing process. Therefore, the driving device used for the hinge and capable of adjusting the arm of force by rotating around the shaft reduces force finally functioned on the damper through force delivery among the swing block, the inner rocker arm and the middle swing member along with the closing of the hinge, and consequently prolongs the service life of the damper.

The invention discloses a health drug used for external-use moxibustion. The health drug is characterized in that adopted moxibustion materials comprise homogeneous moxa and extract of various natural drugs or drug powder. The health drug has the beneficial effects that after being picked, raw material mugwort leaves for manufacturing the moxa are subjected to homogeneous classified picking and winnowing before being dried in the sun, so that the quality of every kind of mugwort leaves, tenderness and length of tomentum as well as content of beneficial substances contained in the tomentum tend to be the same, and thus, the characteristics of the moxa prepared by drying and ageing tend to be the same, and the homogeneous moxa is obtained; a moxibustion material prepared by the homogeneous moxa can be uniformly combusted and is the same in combustion speed, so that the moxibustion component, force, speed and time can be controlled very well, and the moxibustion effect is improved; besides, other natural drug extract or drug powder is added on the moxa, so that the moxibustion material has more curative effects, and thus, a purpose of treating various diseases or achieving health care is achieved.