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51results about How to "Short sliding distance" patented technology

Automatic crystal blank polishing and burnishing system and docking mechanism thereof

The invention discloses a docking mechanism, comprising a docking machine frame, wherein a docking position, a switching position, a powder soaking position and a transition position are arranged on the docking machine frame; the docking bracket is fixedly mounted in the docking position, a docking component is arranged on the docking bracket, and the docking component comprises an upper sliding fixture seat and a lower fixed fixture seat; a switching bracket is arranged in the switching position, the switching bracket is driven by a switching bracket driving device to rotate around a horizontal shaft, and an upper fixture fixing part and a lower fixture fixing part are arranged on the switching bracket; a powder soaking component is arranged in the powder soaking position; a first fixture placement rack is arranged in the transition position; and the docking mechanism also comprises a first front-and-back transfer mechanism and a second front-and-back transfer mechanism. The invention also discloses an automatic crystal blank polishing and burnishing system adopting the docking mechanism. According to the technical scheme, the docking precision and the bonding firmness of crystal blanks are guaranteed, the docking working position is reasonable in structure, and the docking efficiency and the processing efficiency of the whole automatic polishing and burnishing system are improved.
Owner:虞雅仙

Method for displaying virtual keyboard, virtual keyboard and touch screen terminal

The invention provides a method for displaying a virtual keyboard, the virtual keyboard and a touch screen terminal. The method comprises the following steps of: receiving sliding information of a user for the virtual keyboard, wherein the virtual keyboard comprises a plurality of parts, and a part of the plurality of parts are displayed in a keyboard display area of a screen; and moving and / or loading the corresponding part in the virtual keyboard according to the sliding information, and displaying the changed part in the keyboard display area of the screen. The application of a panoramic keyboard is provided, unlimited sliding of the user can be accepted, keyboards with different input functions are prevented from being frequently opened and closed by the user in the input process, the problem of interruption when the user switches the keyboards can be solved, the using efficiency of various keyboards is improved, and using smoothness and continuity are improved.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD

Simply supported structure bridge horizontal swivel construction system and method

The invention discloses a simply supported structure bridge horizontal swivel construction system and a simply supported structure bridge horizontal swivel construction method. The system comprises a beam body, two bridge piers, at least one temporary pier, a slide way beam and a pushing device, wherein the beam body is provided with a fixed end and a movable end; the two bridge piers comprise a first bridge pier and a second bridge pier; the fixed end is supported on the first bridge pier; a rotary supporting seat is arranged below the fixed end; one end of the slide way beam is supported onthe temporary pier, and the other end of the slide way beam is supported on the second bridge pier; the movable end is supported on the slide way beam; and the pushing device is arranged on the slideway beam. During horizontal swivel construction, the pushing device pushes the movable end to slide on the slide way beam so as to push a beam body to a design position; because the beam body has thesame stress condition as that of a design operation stage, the method is suitable for construction of various bridges and has high universality; meanwhile, the system and the method have the advantages of low requirement on sites, short sliding distance of the movable end of the beam body and less construction of a temporary structure.
Owner:CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD

Goods discharging device of vending machine

A goods discharging device of a vending machine comprises a goods plate and a goods discharging mechanism, wherein first commodities and second commodities which are sequentially arrayed are placed on the goods plate; the goods discharging mechanism comprises a stay bar, a baffle plate and a stopper; the stay bar is arranged on the goods plate; the baffle plate is arranged on the stay bar; the stopper is rotatably fixed on the goods plate and is hung on the baffle plate; the baffle plate can rotate between a closing position and an opening position relative to the goods plate; when positioned at the closing position, the baffle plate can stop the first commodities from slipping out of the goods plate, and the stopper supports the first commodities; and when positioned at the opening position, the baffle plate is separated from the first commodities, so that the first commodities can slip out of the goods plate, and the stopper tilts to stop the second commodities from slipping out of the goods plate.
Owner:HONG FU JIN PRECISION IND WUHAN CO LTD +1

Touch-screen-based information display method and system

The invention is applied in the field of communication, and provides a touch-screen-based information display method and a touch-screen-based information display system. The method specifically comprises the following steps of: receiving selection information input by a user; determining candidate information corresponding to the selection information, and determining the clicking position of the selection information; and displaying the candidate information in the vicinity of the clicking position according to priorities, wherein a distance between the display position of the candidate information and the clicking position is determined by the priority of the candidate information, and the display area of the candidate information is in a display area set by the candidate information. The technical scheme has the advantages of high input efficiency and low input error rate.
Owner:SHENZHEN SHI JI GUANG SU INFORMATION TECH

Wedge-shaped debris flow-dividing blocking device and construction method thereof

The invention discloses a wedge-shaped debris flow-dividing blocking device and a construction method thereof. The device comprises a circular-arc-shaped blocking wall and two wing-shaped blocking walls. The circular-arc-shaped blocking wall is located at the foremost end of the whole device, and the wing-shaped blocking walls are fixed to the two sides symmetrically. Unbonded prestress systems are arranged in the circular-arc-shaped blocking wall and the wing-shaped blocking walls correspondingly. Each unbonded prestress system comprises a plurality of vertical unbonded prestress stranded steel wire devices which are composed of stranded steel wires, anchorage devices and corrugated pipes. Foundation slabs are arranged at the bottoms of the circular-arc-shaped blocking wall and the wing-shaped blocking walls correspondingly, and uplift pile foundations are additionally arranged under the foundation slabs provided with the unbonded prestress systems correspondingly. According to the device and method thereof, the unbonded prestress systems are arranged in the large stress areas, a good energy consumption effect is achieved, and dynamic response of the whole device is reduced. Whenthe device is impacted by debris, the flowing direction of the debris can be changed while the stability of the device is guaranteed, the impact energy is dissipated, and the safety of significant buildings or structures behind the device is guaranteed.
Owner:ZHEJIANG UNIV

Anti-deformation auto-protecting pneumatic bench vice

ActiveCN108406630AUniform and slow forceAvoid damageVicesSolenoid valveAtmospheric pressure
The invention provides an anti-deformation auto-protecting pneumatic bench vice. The anti-deformation auto-protecting pneumatic bench vice includes a fixed vice jaw module, and a sliding slot is formed in the side, directly facing a movable vice jaw module, of the fixed jaw module. The sliding slot is internally and slidably provided with a push plate, a piezoelectric material is disposed on the front end surface of the push plate, and a telescopic rod is vertically fixed to the rear end surface of the push plate. A telescopic hole is formed in the rear end surface of the sliding slot, a solenoid valve is disposed at the rear end of the telescopic hole in a sealed mode, and the solenoid valve is connected with the piezoelectric material through a wire. A piston is disposed at the rear endof the telescopic rod, and the piston is slidably disposed in the telescopic hole. According to the anti-deformation auto-protecting pneumatic bench vice, the change of the clamping force received bya workpiece during the tightening is automatically detected through the adjustment of the air pressure; and when excessive tightening occurs, the workpiece is automatically released to be protected, the clamping and correcting time of the workpiece is shortened, and the clamping efficiency is improved.
Owner:山东华源索具有限公司

Drilling device with cooling function for rotary platform machining of excavator

The invention discloses a drilling device with a cooling function for rotary platform machining of an excavator. The drilling device comprises a machine body, a working platform, fixing mechanisms, a first mounting plate, a first electric sliding rail, a second electric sliding rail, a third electric sliding rail and a cooling mechanism, a placing groove is formed in the machine body, and the working platform is fixedly connected with the machine body in a welding mode. A groove is formed in the working platform, the fixing mechanisms are arranged on the two sides of the working platform, the first mounting plate is arranged at the top end of one supporting plate, the first electric sliding rail is arranged above the first mounting plate, the second electric sliding rail is arranged above a second mounting plate, and the third electric sliding rail is arranged below the supporting plates. The cooling mechanism is arranged below a third sliding block. According to the drilling device with the cooling function for rotary platform machining of the excavator, the fixing mechanisms and the cooling mechanism are arranged, excavator rotary platforms of different sizes can be conveniently fixed through the fixing mechanisms, and cooling can be conveniently conducted through the cooling mechanism during drilling.
Owner:徐州维尔德科技发展有限公司

Method and terminal for setting time via dial plate

The invention discloses a method for setting time via a dial plate. When a setting starting command input by a user is obtained, a time object to be set is displayed in a dial plate zone, a corresponding setting program for the time object is used according to a selection command, and the time object is controlled to move forward and move back according to a forward dragging command or a backward dragging command. The invention also discloses a terminal for setting time via the dial plate. The terminal comprises a starting module, a dial plate display module, a command obtaining module and a setting execution module. According to the method and the terminal disclosed in the invention, the setting program can be used without menu setting, operation steps are simplified, and visual operation is realized. Time is also directly displayed on a screen in a form of the dial plate.
Owner:PHICOMM (SHANGHAI) CO LTD

Hip joint bone cement interval blister mould

The invention relates to the technical field of cement interval forming, and discloses a hip joint bone cement interval blister blister mold which comprises a lower mold body, a cavity is formed in the lower mold body, a sliding opening is formed in the inner wall of the cavity, a radian adjusting mechanism is arranged in the lower mold body, and the radian adjusting mechanism comprises a cavity formed in the lower mold body. The cavity is communicated with the sliding opening, a motor is fixed in the cavity, a cylinder is fixed to the driving end of the motor, a telescopic rod is fixed to the end, away from the motor, of the cylinder, a frame is fixed to the driving end of the telescopic rod, and a plurality of connecting rods are fixed to the outer wall of the frame. The circular plate is replaced according to the requirement for the radian of the hip joint, the radian of the formed cement interval is changed, the applicability is higher, meanwhile, after the circular plate is replaced, self-adaptive change of the moving distance of the sealing plate is automatically conducted, the sealing performance between the sliding opening and the circular plate is guaranteed, and the sealing effect is better. Swing of the swing rods accelerates demolding of the cement intervals.
Owner:源利腾达(西安)科技有限公司 +1

Air blocking net and spring piece assembly and mounting method thereof

An air blocking net and spring piece assembly comprises one or more air blocking net fixing frames, one or more spring pieces and one or more air blocking net fixing supports. The rear ends of the airblocking net fixing frames and the air blocking net fixing supports are rotatably connected together; each air blocking net fixing frame is provided with one or more clamping-connection grooves, thespring pieces are connected into the clamping-connection grooves in a clamped mode and each comprise one or more spring contact arcs and one or more spring sliding arcs; and each spring contact arc abuts against a guiding rail, and the spring sliding arcs always slide in the air blocking net fixing frames.
Owner:上海万超汽车天窗有限公司

A hub-ratchet combination structure

InactiveCN106895091AShorten the interlocking pitchSmall spacingHubsFreewheel clutchesTooth numberEngineering
The invention provides a hub-ratchet combination structure comprising a hub base, a linkage ring, a sleeve base and a ratchet tooth group. Linkage teeth of the linkage ring are characterized by a great tooth number and a small pitch, and the number of the teeth can reach up to 155 at most. Each pawl member of the ratchet tooth group is provided with meshing teeth with a small pitch corresponding to the linkage teeth. The sliding distance of the meshing teeth on the tooth ends of the linkage teeth can be effectively reduced and further the spacing distance of meshing linkage of the ratchet tooth group and the linkage ring can be shortened, so that the state of meshing linkage can be reached quickly, the pedaling gaps can be reduced, the definiteness of riding and pedaling can be improved greatly and the safety is improved.
Owner:CHOSEN

Breather valve for spring braking air chamber and spring braking air chamber

The invention relates to the field of spring braking air chambers, and discloses a breather valve for a spring braking air chamber. The breather valve comprises a piston rod, a ventilation channel isarranged in the piston rod, a breathing cavity is formed in the piston rod, a plug is arranged at one end of the breathing cavity, the ventilation channel communicates with the breathing cavity, a valve plate is arranged in the breathing cavity, the valve plate isolates the breathing cavity into a first breathing cavity and a second breathing cavity which not communicate with each other, the ventilation channel communicates with the first breathing cavity, and the ventilation channel does not communicate with the second breathing cavity. A first breathing hole and a second breathing hole are formed in the piston rod, the first breathing hole always communicates with the first breathing cavity, and the second breathing hole always communicates with the second breathing cavity. The breathingstructure has the advantages of simple structure, convenient installation, low follow-up maintenance cost and long service life.
Owner:ZHEJIANG VIE SCI & TECH

Plate bending equipment

The invention relates to the field of plate machining, in particular to plate bending equipment. The plate bending equipment comprises a male die and a first driving part, wherein the male die comprises a body and a bending unit, one end of the body is connected with the first driving part, and the first driving part drives the body to slide; and the bending unit comprises a bending plate hinged to the end of the male die and a second driving piece driving the bending plate to rotate, the bending plate is located at the end, away from the driving piece, of the body, and the second driving piece is fixed to the body. According to the plate bending equipment, the plate can be prevented from being subjected to a large friction effect, so that the situation that the surface of the plate needsto be polished after being scratched, and the machining efficiency is reduced is avoided.
Owner:CHONGQING COLLEGE OF ELECTRONICS ENG

Method for regulating and controlling surface charges of polymer through infrared light

The invention relates to the technical field of friction reduction and wear resistance, and provides a method for regulating and controlling surface charges of a polymer through infrared light. A photothermal conversion material and a polymer are used as raw materials to prepare a polymer composite film, and then infrared light is used for irradiating the polymer composite film. After irradiation by the infrared light, the temperature of the photothermal conversion material rises, hot electron emission is generated, and hot electrons in an excited state can migrate to the surface of the polymer. When the surface of the polymer is positively charged, the hot electrons migrated to the surface are neutralized with the positive charges, so that the number of the positive charges is reduced; and when the surface of the polymer is negatively charged, the hot electrons migrated to the surface and electrons on the surface are superposed, so that the number of the negative charges is increased. The method for regulating and controlling the surface charges of a polymer is novel, and the photo-thermal conversion material is industrially produced at present, is wide in source and has a wide application prospect in the field of friction reduction and wear resistance.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1

Loading wheel suitable for bumpy road surface

The invention discloses a loading wheel suitable for a bumpy road surface, which relates to the technical field of wheels. The loading wheel suitable for a bumpy road surface comprises a front wheel,a front fork, rotating discs and telescopic supporting wheels. A supporting part is arranged at the bottom of the front fork; the supporting part is provided with an arc-shaped supporting plate; a through hole is formed in the center of the rotating disc; the two ends of the axle penetrate through the through holes. Rotating discs are fixed to the two side faces of the supporting ring. Sliding grooves are arrayed in the peripheral side face of the rotating disc, and the straight line where the sliding grooves are located is separated from the center of the rotating disc. The interior of the sliding groove is fixed to a telescopic device, and the telescopic device is fixedly connected with the telescopic supporting wheel; the telescopic supporting wheel comprises a pulley and a supporting rod; the pulley is fixed at the bottom of the supporting rod; a limiting supporting column is fixed to the supporting rod; the peripheral side face of the limiting supporting column is matched with thearc-shaped supporting plate. Under the action of the rotating disc and the telescopic supporting wheel, the bumping degree is greatly reduced, the comfort degree is improved, the telescopic supporting wheels and the tires on the two sides can serve as three-point supports, the contact area with the ground is increased, and sideslip is not likely to happen relatively.
Owner:芜湖辉林奥远自动化科技有限公司

Yarn breakage automatic stop system of double-control type ring spinning machine

The invention discloses a double-control type ring spinning machine yarn broken end automatic stop system, an automatic stop device and a control device, the control device controls the automatic stop device to cut off transmission contact between yarn and rollers, the rollers comprise a front roller, a middle roller and a rear roller, the automatic stop device comprises a push plate sliding in a fixed sliding way, and the push plate is connected with the middle roller and the rear roller. The push plate is connected with a supporting plate in a sliding mode, the top of the supporting plate is hinged to an arc-shaped wedge, the arc-shaped wedge is arranged on the roller in a sleeved mode, and the push plate, the supporting plate and the wedge form a double-swing-rod sliding block mechanism or a three-swing-rod sliding block mechanism with the roller as a fulcrum. The device has the beneficial effects that the supporting plate slides and is hinged to the arc-shaped wedge, so that the rotating angle of the arc-shaped wedge on the rollers is increased, the middle roller and the rear roller are stopped at the same time, or the front roller, the middle roller and the rear roller are stopped at the same time, and the situation that the yarn between the rear rollers is stretched and thinned after the yarn is broken is avoided.
Owner:PINTER YUHUA CHINA TECH CO LTD

Hinge and door and window assembly

The invention relates to a hinge and a door and window assembly. The hinge comprises a horizontal support used for mounting of a door and window, a connecting rod assembly, a first sliding base and asecond sliding base, and the first sliding base and the second sliding base can relatively slide, the connecting rod assembly is connected with the horizontal support, the first sliding base and the second sliding base in a transmission manner, the hinge further comprises a gear, the first sliding base and the second sliding base are each provided with a rack engaged with the gear, and the first sliding base and the second sliding base synchronously and reversely slide. Through the first sliding base and the second sliding base which slide reversely, the sliding distance of a part can be shortened due to the two-side-sliding structure, and the service life is greatly prolonged.
Owner:BAOHAOSHI BUILDING MATERIALS SHENZHEN CO LTD

A kind of pouch battery lamination hot pressing device

The invention discloses a pouch battery lamination heat-pressing device, which comprises a frame, a lamination part and a heat-pressing part arranged on the upper end of the frame, the lamination part includes a bracket slidingly connected with the frame, and the support The upper end is provided with a line body, the upper end of the line body is provided with a push plate, and the push plate is slidably connected with the bracket through the second linear motion device, and the hot pressing part includes a support frame, and the support frame is arranged at the upper end of the frame and is far away from the frame. On one side of the push plate, the support frame is provided with a hot-press top plate and a heat-press bottom plate. The heat-press top plate is located above the heat-press bottom plate and is connected to the support frame by sliding up and down through the first linear motion device. The present invention can quickly Efficient stacking of cells, the stability of the position of the cells during the stacking process, and the transfer of the cells from the stacking part to the hot pressing part can effectively prevent dark marks during the transfer of the cells Or wrinkle phenomenon, which ensures the uniformity of hot pressing and improves the production quality of battery hot pressing.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

Cleaning blade for image-forming apparatus

A cleaning blade for image-forming apparatuses is provided which is reduced in the coefficient of friction to attain a shortened slipping distance and thereby produce excellent cleaning performance. The cleaning blade can be easily produced at low cost. The cleaning blade for image-forming apparatuses is formed from a thermoplastic elastomer comprising: a rubber ingredient comprising any one of a hydrogenated acrylonitrile-butadiene rubber (HNBR), carboxylated acrylonitrile-butadiene rubber (XNBR), hydrogenated carboxylated acrylonitrile-butadiene rubber (HXNBR), styrene-butadiene rubber (SBR), and ethylene / propylene / diene copolymer rubber (EPDM); and a thermoplastic fluororesin powder incorporated as the only resin powder in the rubber ingredient. The thermoplastic fluororesin powder has been incorporated in an amount of 1-80 parts by mass per 100 parts by mass of the rubber ingredient. The thermoplastic fluororesin powder has an average particle diameter of 0.1-20 [mu]m.
Owner:SUMITOMO RUBBER IND LTD

Anti-deformation automatic protection pneumatic bench vise

The invention provides an anti-deformation auto-protecting pneumatic bench vice. The anti-deformation auto-protecting pneumatic bench vice includes a fixed vice jaw module, and a sliding slot is formed in the side, directly facing a movable vice jaw module, of the fixed jaw module. The sliding slot is internally and slidably provided with a push plate, a piezoelectric material is disposed on the front end surface of the push plate, and a telescopic rod is vertically fixed to the rear end surface of the push plate. A telescopic hole is formed in the rear end surface of the sliding slot, a solenoid valve is disposed at the rear end of the telescopic hole in a sealed mode, and the solenoid valve is connected with the piezoelectric material through a wire. A piston is disposed at the rear endof the telescopic rod, and the piston is slidably disposed in the telescopic hole. According to the anti-deformation auto-protecting pneumatic bench vice, the change of the clamping force received bya workpiece during the tightening is automatically detected through the adjustment of the air pressure; and when excessive tightening occurs, the workpiece is automatically released to be protected, the clamping and correcting time of the workpiece is shortened, and the clamping efficiency is improved.
Owner:山东华源索具有限公司

A green belt parking and moving device

The invention relates to the technical field of parking devices for green belts, in particular to a parking and moving device for green belts, which includes a lifting top seat, an X-shaped lifting frame is arranged under the lifting top seat, and a lifting base is arranged under the X-shaped lifting frame. There is a hydraulic cylinder on the top, and there are parallel first V-shaped track and second V-shaped track on both sides of the lifting top seat. The inner side of the first V-shaped track extends outward to form an anti-tipping groove rail. There is a locking sliding square rod, an M-shaped gear box is arranged on the inner side of the middle part of the lifting top seat, a friction belt power assembly is arranged on the inner side of the front end of the lifting top seat, and a parking plate is arranged on the top of the lifting top seat, and the parking plate is on the first V-shaped track and Translate on the second V-shaped track, driven by the hydraulic cylinder, the X-shaped lifting frame slides in the eight-character groove of the lifting top seat and the lifting base to drive the lifting of the parking plate. The invention ensures that the vehicle to be parked can be raised, lowered and translated to the parking space in the green belt through multiple linkage control and double anti-overturning structure, effectively alleviating the difficulty of parking.
Owner:ZHEJIANG INST OF COMM

Clothes treatment device with liquid storing trough

The present invention relates to a clothes treatment device with a liquid storing trough. More particularly, the clothes treatment device with liquid storing trough according to the invention is mainly composed of the following components: a body which is internally provided a tumbling barrel; a liquid spraying device which sprays liquid into the tumbling barrel; a storing trough settling part which is provided at the upper side of the inner part of the body; a combination device which is slidably provided in the storing trough setting part; and the liquid storing trough which is detachably provided in the combination device and is provided with a discharging outlet at the side surface, wherein, an upper surface of the body is provided with an opening which is communicated with the storing trough settling part and can cause the passing-through of the liquid storing trough. Hereon, along with the sliding of the combination device, the liquid storing trough is communicated with the liquid spraying device.
Owner:NANJING LG PANDA APPLIANCES

A kind of non-adhesive bamboo charcoal insole

The present invention relates to the field of insoles, specifically a non-adhesive bamboo charcoal insole, including a rectifying structure, a limiting structure, a fixing structure and a dehumidifying structure; the use of the rectifying structure increases the contact area between the insole and the shoe, thereby effectively preventing movement During the process, the insole and the shoe slip off, and the use of the corrective structure enables the child to lift the foot, and the corrective structure drives the sole of the user's foot back to the initial position, and at the same time releases pressure when the toes contact the corrective structure, thereby greatly improving the child's health. Use comfort; the use of the dehumidification structure increases the air circulation speed inside the shoes, improves the efficiency and quality of dehumidification and deodorization, and at the same time has the effect of massaging and releasing pressure on the soles of the users, reducing the hard band of bamboo charcoal particles. The volume of the orthotic structure is reduced while stepping on the dehumidification structure, which further reduces the contact extrusion force between the orthotic structure and the toes, and the use of the orthotic structure makes the dehumidification structure more repositionable.
Owner:安徽益健鞋材科技有限公司

Non-gel bamboo charcoal insole

ActiveCN110141020ACorrect walking postureIncrease contact areaInsolesMassageEngineering
The invention relates to the field of insoles, in particular to a non-gel bamboo charcoal insole. The non-gel bamboo charcoal insole comprises a correcting structure, a limiting structure, a fixed structure and a dehumidification structure; the contact area of the insole and a shoe is increased through use of the correcting structure, so that slippage is effectively prevented from happening between the insole and the shoe in the moving process; meanwhile, according to the use of the correcting structure, the correcting structure drives a sole of a user to return to an initial position when a child lifts a foot; meanwhile, pressure is relieved when toes are in contact with the correcting structure, so that the use comfort level is greatly improved; air ventilation speed of the interior of the shoe is increased through the use of the dehumidification structure, the efficiency and quality of dehumidification and deodorization are improved; meanwhile, the sole of the user has the functionsof massage and pressure relief, discomfort brought by hard bamboo charcoal particles is reduced; meanwhile, the dehumidification structure is stepped and the volume of the correcting structure is driven to become small at the same time, and contact extrusion force of the correcting structure and the toes is further reduced; and meanwhile, the reset capacity of the dehumidification structure is higher through the use of the dehumidification structure.
Owner:安徽益健鞋材科技有限公司

A method to control the surface charge of polymers by infrared light

The invention relates to the technical field of anti-friction and anti-wear, and provides a method for regulating the surface charge of a polymer through infrared light. The invention uses photothermal conversion materials and polymers as raw materials to prepare polymer composite films, and then uses infrared light to irradiate polymer composite films. After being irradiated by infrared light, the temperature of photothermal conversion materials rises, generating thermal electron emission, and is in the state of excitation. The thermal electrons in the state will migrate to the surface of the polymer. When the polymer surface is positively charged, the thermal electrons migrating to the surface will neutralize these positive charges, reducing the number of positive charges; when the polymer surface is negatively charged When , the hot electrons migrating to the surface superimpose with the electrons on these surfaces, resulting in an increase in the number of negative charges. The regulation method of the surface charge of the polymer provided by the invention is novel, and the light-to-heat conversion material has been industrialized at present, has a wide range of sources, and has broad application prospects in the field of anti-friction and anti-wear.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1
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