181results about How to "Optimize the adjustment method" patented technology

The invention relates to a multi-point forming device for a plate. The device comprises a die carrier, a plurality of upper pressure head pressurizing units and a plurality of lower pressure head supporting units, wherein the plurality of upper pressure head pressurizing units are arranged on an upper flat plate of the die carrier; the plurality of lower pressure head supporting units are arranged on a lower flat plate of the die carrier; each upper pressure head pressurizing unit consists of an upper pressure head, a spring and a travel adjusting component; an upper pressure head is arrangedin a positioning hole on the upper flat plate of the die carrier, and can move up and down along the axis of the hole; the spring is arranged between the upper pressure head and the upper flat plate of the die carrier; each lower pressure head supporting unit consists of a lower pressure head, a plunger and a hydraulic cylinder; the hydraulic cylinder is fixed on the lower flat plate of the die carrier; and the plunger is connected with the lower pressure head. A forming curved surface can be formed optionally and is easy and convenient to adjust. Any element is not required to be adjusted inreal time in a forming process, and stable and uniform normal pressure always acts on the plate, so that effective normal constraint is formed and the plate can be effectively prevented from wrinkling. The device has a reasonable structure, is easy to operate, works reliably, and is an ideal multi-point forming device for the plate.

The invention relates to an adjusting method and system for display terminal screen brightness. The method comprises the steps that after a screen of a display terminal is lighted up, the light strength of the current environment is obtained; when the light strength is larger than a threshold value, a touch track on the screen of the display screen is obtained; according to the touch track, the brightness of the screen of the display terminal is adjusted. When the light strength of the environment is excessively high, the brightness adjusting mode of the display terminal is enabled, the screen brightness is adjusted according to the touch track of a user, and it is ensured that the user can conveniently and rapidly adjust the screen brightness to be matched with the brightness of the environment when the user cannot see the content displayed on the display terminal clearly. By the adoption of the scheme, the user does not need to open the brightness adjusting menu of the display terminal and can adjust the screen brightness when the display terminal is in the screen locked state, the adjustment mode is rapid and convenient, and the user can adjust the screen brightness by sliding the screen in the high light and is not affected by the environment.

The invention provides a wheel quenching device applied to the technical field of metal heat treatment. The wheel quenching device comprises an outer ring tube (1), an inner ring tube (2), a cooling device (3) and a control device (9) for controlling the start / stop of the wheel quenching device. The wheel quenching device is characterized in that: the cooling device (3) comprises a nozzle (4) anda nozzle branch pipe (5); the nozzle branch pipe (5) is connected with the inner ring tube (2); and the nozzle (4) is connected with the nozzle branch pipe (5) and has a structure capable of being aligned with a wheel rim (6). By the technical scheme, the wheel quenching device has the advantages that: 1, the depth of an abnormal structure layer of the wheel rim is reduced; 2, the hardness gradient of the section of the wheel rim along the radial direction is improved; 3, the nozzle adjusting mode is improved, so that the adjustment is simple, and the quenching quality is improved; and 4, water splashing is reduced, the work environment for workers in field is improved, the work environment for equipment is improved and the maintenance cost of electric equipment is reduced.

The invention discloses a method and a device for adjusting the volume of a car stereo. The method for adjusting the volume of a car stereo comprises: collecting sound signals inside a car, analyzing and processing the sound signals, and filtering playing sound signals of the car stereo to obtain noise signals; analyzing the noise signals and determining the specific content of the noise signals; and adjusting the volume of the car stereo according to the specific content of the noise signals and a preset volume adjusting scheme. By the technical scheme of the invention, the volume of the car stereo is adaptively adjusted according to the specific content of the noise signals, thereby optimizing the way of adjusting the volume of the car stereo.

The invention provides a light field collecting device with the changeable angle sampling number. A plurality of micro lenses are evenly distributed to form a micro lens array, and a photosensitive surface of an image sensor is completely covered; a moving tray embedded in a sliding rail is used for fixing the micro lens array and can move back and forth between the main lens and the image sensor in the light axis direction of the image sensor. A micro lens distance adjusting ring is coupled precisely with a tray pushing rod, when the micro lens distance adjusting ring rotates, the tray pushing rod drives the moving tray to move in the light axis direction of the image sensor, and two springs are connected between the moving tray and a camera. A digital displacement sensor is fixedly connected with the tray pushing rod to sense the displacement changes of the lens array and transmit the displacement changes into a digital control unit. The light field collecting device can continuously adjust the angle sampling number of a light collecting field, can obtain the high spatial resolution when the angle resolution is low and can obtain more field three-dimensional information under the setting of the high angle resolution.

The invention relates to a primary mirror installing and adjusting mechanism, which comprises a support base, a primary mirror base, a connection assembly for connecting the primary mirror base with the support base and a primary mirror flexible support device arranged on the top surface of the support base and connected with a foundation, wherein a primary mirror is fixed in the primary mirror base through a pressure ring; a glue injection hole is formed in the primary mirror base; a glue guide ring is arranged between the primary mirror base and the primary mirror; the glue guide ring is communicated with the glue injection hole; the primary mirror base and the support base are concentrically arranged; the connection assembly comprises a primary mirror base insert embedded on the primary mirror base, a support base insert embedded on the support base, a spring arranged between the primary mirror base insert and the support base insert, and an adjusting screw connected with the support base and the primary mirror base; one end of the spring is fixed on the primary mirror base insert; and the other end of the spring is fixed on the support base insert. According to the invention, the technical problems of complexity and poor stability in the traditional adjustment manner can be solved. The adjusting mechanism provided by the invention has a simple and convenient adjustment manner and is capable of adjusting in six degrees of freedom without influence on the shape of the primary mirror surface shape.

The embodiment of the invention discloses an adjustment method and device of a head-mounted display device, and a head-mounted display device. The adjustment method comprises: acquiring pupil location information of a user wearing a head-mounted display device; and according to the pupil location information, adjusting an image center position of a built-in image display source of the head-mounted display device and a focus position of a built-in lens. According to the method disclosed by the invention, the image center position of the built-in image display source and the focus position of the built-in lens of the head-mounted display device are adjusted synchronously based on the obtained pupil location information, so that the equipment adjustment mode is improved, the display effect is optimized, and the usage experience of the user is enhanced.

The invention discloses a coordinate control method suitable for real time scheduling and AGC (Automatic Gain Control) after large scale photovoltaic grid connection. The coordinate control method comprises the following specific methods of: (1) a coordinate and match method of real time scheduling and AGC; (2) a coordinate control method of real time scheduling and AGC command 'reverse scheduling': determining occurrence of the real time scheduling and AGC 'reverse scheduling' by judging three factors, such as system frequency, adjusting direction and adjusting volume to cope with difficulty in frequency modulation and resource waste by way of locking a scheduling plan; and (3) a coordinate control method for transitional mutual conversion between real time scheduling and AGC adjusting volume: after active adjustment process of AGC is finished, output adjustment is carried out by real time scheduling to recover the maximum adjusting volume of an AGC unit. The coordinate control method disclosed by the invention has the advantages of sufficiently utilizing adjusting resources inside a power grid, optimizing a resource adjusting manner inside the power grid, and ensuring that scheduling and control commands reflect the active power adjusting requirement of the power grid at real time, thereby enhancing the dynamic adjusting capacity of the power grid to resist active disturbance photovoltaic grid connection, and further expressing the proficiency of real time scheduling and AGC coordinate control.

The invention discloses a deformable open channel curve water channel device for a water flow silt experiment. A curve water channel is arranged in an experimental pool in the length direction, a water channel inlet is formed in one end of the curve water channel, a water channel outlet is formed in the other end of the curve water channel, silt is arranged in the curve water channel, the portion, on one side of the water channel inlet, of the experimental pool is connected with one end of a water conveying pipeline, a water outlet is formed in the portion, on one side of the water channel outlet, of the experimental pool, a water storage tank is arranged below the water outlet, a desilting basin and a water pump are arranged in the water storage box, an upper end opening of the desilting basin is lower than an upper end opening of the water storage tank, the drainage end of the water pump is connected with the other end of the water conveying pipeline, two rotation adjusting mechanisms which are identical in structure are arranged on the portion, on one side of the experimental pool, of the bottom of the experimental pool, and two height adjusting mechanisms which are identical in structure are arranged on the portion, on the other side of the experimental pool, of the bottom of the experimental pool. According to the deformable open channel curve water channel device for the water flow silt experiment, the form of a curve can be easily and conveniently changed, the purpose that parameters such as the width and the curvature of the water channel can be adjusted at will is achieved, and the experiment conditions of curve water and silt are greatly improved.

Embodiments of the invention provide a method and equipment for regulating an electronic image, which are used for solving the problems that in the prior art, when the electronic image is regulated, the electronic image can be regulated by only finger clicking or dragging or sliding a screen, or by means of mediums such as a mouse, and selecting or applying a preset regulation mode in a system, and the regulation manner is relatively single. The method comprises the steps of: determining elements to be regulated of a target regulation object in the electronic image; recognizing a gesture action, not in contact with a screen, of a user, and determining the regulation manner for regulating the elements in the electronic image according to the recognized gesture action; according to a corresponding relation between a moving distance of the preset gesture action and element variations, determining the variation of the elements to be regulated corresponding to the moving distance of the gesture action; according to the determined regulation manner, and the determined variation of the elements to be regulated, regulating the elements to be regulated of the target regulation object.

The invention relates to a primary mirror mounting regulating mechanism. The problems that the existing telescope primary mirror is complicated in regulating mode and bad in stability, and has the axial and radial intercoupling are solved. A reflecting mirror is adhered on three support lug bosses on a bearing seat; a primary mirror chamber and the bearing seat are concentrically arranged; an adjusting component comprises a primary mirror chamber insert inlaid on the primary mirror chamber, a stacking ball socket inlaid on the bottom of the bearing seat, an adjusting screw arranged in the primary mirror chamber insert, a screw ball socket inlaid on the upper end part of the adjusting screw, a steel ball arranged between the stacking ball socket and the screw ball socket, and a lock nut mounted on the bottom of the adjusting screw; a lock component comprises a roller inlaid on the bearing seat, a wane mounted on the roller, a lock ball, and a lock ball socket which are mounted on a lock bolt, and a butterfly-shaped gasket. The mechanism disclosed by the invention can adjust the primary mirror with three degrees of freedom without influencing the shape of the primary mirror plane.

The invention relates to an adjustable fixture used for clamping a surface plate base plate. The adjustable fixture comprises a base, and is characterized in that a front material bearing bar, a front middle material bearing bar, a rear middle material bearing bar and a rear material bearing bar are arranged in the horizontal direction in the base; two ends in the longitudinal direction in the base are provided with a left guide shaft and a right guide shaft; and axial holes are formed at two ends of the front material bearing bar, the front middle material bearing bar, the rear middle material bearing bar and the rear material bearing bar, and the front material bearing bar, the front middle material bearing bar, the rear middle material bearing bar and the rear material bearing bar are respectively correspondingly inserted into the left guide shaft and the right guide shaft. The adjustable fixture has the advantage that one set of fixture can be used for locating and clamping various surface plate base plates with similar appearance and different sizes. The adjustable fixture is convenient, reliable and simple to regulate and can reliably clamp so as to ensure that the chip sticking working procedure can be reliably carried out. According to the adjustable fixture, the required amount of the fixture type by enterprises can be greatly reduced, the production cost of the enterprise is lowered, and the labor production efficiency is improved.

The invention discloses a control method of a 3D (Three-Dimensional) glasses system. The control method of the 3D glasses system comprises a pair of 3D glasses. The pair of 3D glasses comprises a glasses frame, liquid crystal glasses lenses and a start control device. The start control device comprises a signal receiving module, a power supply management module and a central control module. The central control module comprises a video control module. Each liquid crystal glasses lens comprises a connecting terminal connected to an LCD (Liquid Crystal Display) drive module in the video control module. The connecting terminal passes through a left glasses frame and a right glasses frame close to a middle node pad and extends into a receiving cavity. The left glasses frame or the right glasses frame comprises a first knob connected to an LCD time sequence adjusting module in the video control module. The first knob is used for the user to manually adjust the amplitude of a time sequence waveform received by the LCD time sequence adjusting module. The light transmittance of the liquid crystal glasses lenses can be manually adjusted directly by this way.

The invention discloses a method and a device for controlling virtual character in a game. The method comprises the following steps: detecting a first touch operation acting on a first control in a first interaction area; adjusting a moving direction of a virtual character in a game scene on a graphical user interface according to the first touch operation; and adjusting a moving direction of thevirtual character in the game scene according to the first touch operation. A second touch operation acting on the second control in the second interaction area is detected, the moving speed of the virtual character is adjusted according to the second touch operation, and when the current touch point of the second touch operation moves to the third control, the virtual character is controlled to perform a target action. The invention solves the technical problem that multiple operations cannot be simultaneously performed on virtual characters because the controls are mutually independent in the related art.

The invention relates to a feeding device of a roller press, which is characterized in that a hand wheel nut of an adjusting mechanism is fixed on an end sheathing by a screw; a shaft at one end of a supporting mechanism is fixed on a side sheathing of a shell body by a bearing; four steel plates of the shell body are connected as a whole by welding; the other end of the supporting mechanism is articulated with an adjusting plate; an adjusting screw of the adjusting mechanism is engaged with internal screw thread of the adjusting mechanism the other end of which is connected with the adjusting plate through a hinge; and a feed deflector is articulated with the adjusting plate. The feeding device of the roller press can well eliminate feed leakage at the roller end which is common in the existing roller press and the feed can be shaped into better feed cakes after being pressed with obviously improved pressing efficiency; the feeding device can also ensure that the feed of different particles can enter a squeeze roller with a convenient and flexible adjusting method and obvious effects; as the feed leaking at the roller end is eliminated, the wear of a J-shaped skeletonless sealing ring of the bearing of the squeezer roller is greatly reduced, which can prevent external dust from entering the bearing and prolong the service life of the bearing.

The invention discloses a bidirectional-fastened ultrasonic osteotomy knife, which comprises a shell, wherein a piezoelectric actuator and an ultrasonic vibrator are arranged at one end of the interior of the shell, and the ultrasonic vibrator is connected to the piezoelectric actuator; a sleeve is arranged on the ultrasonic vibrator; and the sleeve extends from the other end of the shell. According to the osteotomy knife disclosed by the invention, a long through slot is arranged on the sleeve and a connecting pillar which is arranged on a knife rod is capable of extending out of the long through slot, therefore the knife rod can be moved inside the sleeve as a sliding block is moved so as to remove the length of the knife rod; when the sliding block is moved nearby some limiting groove, the connecting pillar can be screwed into the limiting groove by rotating the knife rod, at which time two tension springs at the tail end of the moving knife rod are gradually tightened and winding force, which is in the radial direction of the knife rod, is generated between the two tension springs, so that the connecting pillar on the knife rod is firmly fastened in a semicircular clamping groove under the action of force in two directions; and the osteotomy knife is high in fastening strength and is also quite convenient in adjusting mode.

The invention discloses a method for controlling a rotation speed of a fan and a computer system for performing the method. The method includes the following steps. (a) In an operating system, an operating interface is provided for adjusting the current rotation speed of the fan. (b) When the current rotation speed is lower than a predetermined rotation speed, or a current temperature is higher than a predetermined temperature, a warning message is shown in the operating system. (c) After the current rotation speed is readjusted, all processing programs continue to be run. Furthermore, the invention also provides a hot key function for users to conveniently adjust the rotation speed of the fan under the operating system.

The invention discloses a method and a device for recycling scrap iron of tapping machines. The method includes fixing the tapping machines; laying scrap iron screen cloth; arranging strong-magnetism structures on lower layers of the screen cloth; sucking the scrap iron by the strong-magnetism structures and enabling the scrap iron to remain on the scrap iron screen cloth; taking out the screen cloth after machining is completed and recycling the scrap iron. The device comprises an operation desk. A groove is formed in the middle of the operation desk, at least two parallel frame rods which are longitudinally arrayed are arranged in the groove, screen layers are arranged on the lower portions of the frame rods, magnetic layers which are nested in the operation desk are arranged on the lower portions of the screen layers, and a fixing mounting plate is further arranged at the outer edge of the upper portion of the operation desk. The method and the device have the advantages that the scrap iron generated by the tapping machines is recycled by the aid of the method for magnetically sucking the scrap iron, and accordingly splashing of the scrap iron can be prevented; the frame rods can move on slide shafts, so that attitude modes and the positions of workpieces required to be machined can be conveniently adjusted; upwardly extending transparent plastic plates are additionally arranged on the upper side of the operation desk, and accordingly the scrap iron recycling efficiency can be improved under the condition that lines of sight of staffs are not blocked.

The invention discloses a fastener structure for adjusting a track gauge. The fastener structure comprises an iron base plate, a left iron seat and a right iron seat which are relatively arranged on two sides of a steel rail and fixed on the iron base plate and a left L-shaped track gauge pad and a right L-shaped track gauge pad which are arranged on the inner sides of the left iron seat and the right iron seat and buckled and pressed on the steel rail, wherein the iron base plate is arranged on a sleeper through a base plate; the two edges of each of the left L-shaped track gauge pad and the right L-shaped track gauge pad have different thicknesses, and a thickness difference is 1 to 3 mm; adjustment components are arranged at adjacent matched positions of the left iron seat and the right iron seat; each of the adjustment components mainly comprises a track gauge positioning block and an anchoring bolt; each track gauge positioning block consists of a central through hole in the middle and an elliptical taper outside; the elliptical tapers are matched with elliptical tapered holes in the iron base plate; and the track gauge positioning blocks are fixedly connected to the sleeper through the anchoring bolts. The fastener structure is simple and rational, has high practicability and a good effect, and is favorable for popularization and application.

The invention discloses an online precise control method for flattening parameters of microscale abrasive particles. The method comprises the following steps: (1) clamping an electrode, a diamond grinding wheel and the like to form a discharge circuit, wherein a workstation communicates to a power supply and a numerically-controlled machine tool controller; (2) feedback controlling moving parameters of the machine tool and parameter of the power supply according to impulsive discharge parameters, controlling the discharge current and voltage and calculating the rotating revolutions of the diamond grinding wheel; (3) after determining the maximum flattening area and the maximum effective rotating revolutions of the diamond grinding wheel according to the parameters such as the diamond grinding wheel and impulsive discharge, precisely controlling the flattening area of a abrasive particle cutting edge online by means of the statistic rotating revolutions of the diamond grinding wheel; and (4) when the statistic rotating revolutions of the diamond grinding wheel reach a target value, calculating the flattening area and the edge feeding height of the cutting edge which flattens the abrasive particles, wherein the machine tool stops working. According to the invention, the flattening effect of the microscale abrasive particles can be precisely controlled online by means of the parameters such as the rotating revolutions of the diamond grinding wheel fed back by an in-position flattening system, and flattening areas of different cutting edges can be obtained to meet different processing quality demands.

The invention provides an anisotropy zero refractive index device with a controllable switch. The device is formed by regularly arranging opening resonance ring units of a plurality of loading PIN diodes on the dimension of the sub-wavelength. Each single resonance unit comprises an opening resonance ring structure processed on the upper surface of a dielectric substrate, and the PIN diode welded between openings of the upper ends of the opening resonance ring units. Two metal straps are processed on the lower surface of the dielectric substrate and serve as direct-current feed wires. Two through metallization holes are formed in the dielectric substrate and used for connecting the direct-current feed wires and an anode and a cathode of each PIN diode. The anode and the cathode of each PIN diode are connected with the direct-current feed wires of the back of the dielectric substrate through one through metallization hole. All the direct-current feed wires are combined to form a feed network. The feed network of the lower surface of the dielectric substrate is divided into the positive portion and the negative portion, the positive portion and the negative portion are connected with the anodes and the cathodes of all the PIN diodes of each row respectively, and bias voltage is applied on all the PIN diodes on the upper surface of the dielectric substrate so as to change the working conditions of the PIN diodes.

The invention discloses a welding fixture tool with an adjustable angle, and belongs to the technical field of welding fixture tools. The welding fixture tool with the adjustable angle comprises a bottom plate, wherein a left stand column and a right stand column are vertically installed on the upper surface of the bottom plate in a bilateral symmetry mode, a left positioning module is detachablyinstalled on the front portion of the left stand column, and a workpiece II is clamped on the left positioning module through a positioning clamp I; and a right positioning module is detachably installed on the front portion of the right stand column, and a workpiece I is clamped on the right positioning module through a positioning clamp II. A positioning hole is transversely formed in the middleof the left stand column, and a plurality of sets of adjusting holes are further formed in the left stand column at equal intervals, so that the left positioning module fixed on the left stand columncan realize angle adjustment. An arc-shaped sliding groove is formed in the middle of the right stand column, the angle of the right positioning module is adjusted along the sliding groove through afront fastening knob and a rear fastening knob, and the position of the right positioning module is fixed, so that the angle adjustment is accurate, and the alignment degree of the front ends of the workpiece I and the workpiece II is good.

The invention discloses a lubrication apparatus for metal plate strip cold rolling. The lubrication apparatus includes a rolling oil atomization and spray device which is arranged beside a gap between auxiliary rollers; an oil-way passage, a gas-way passage and a fog-way passage are formed in the rolling oil atomization and spray device; after being communicated with each other, the oil-way passage and the gas-way passage are connected with the fog-way passage; and the outlet end of the fog-way passage is provided with an atomization nozzle. The invention also discloses a method for lubrication by using the above lubrication apparatus and rolling oil used in the method. With the spay mode in the invention adopted, the consumption of the rolling oil is 50% to 80% of that of an existing spay mode, and little metal powder and waste oil sludge are generated in a rolling process, and energy consumption for recovery processing can be decreased, and environmental protection can be benefitted; and the oil flow adjustment method of the rolling oil is simple and convenient.

The invention provides an information processing method and electronic equipment. The information processing method is applied to the electronic equipment which comprises a display unit and a detecting unit, and the detecting unit can at least detect an operator which is within a preset range away from the surface of the display unit. The information processing method includes: detecting whether a first operator exists in the preset range or not, generating a detection result, acquiring first operation information corresponding to the first operator if the detection results shows that the first operator exists in the preset range, generating a regulating instruction according to the first operation information, adjusting display parameters of a first display object according to the regulating instruction, and thereby the technical problem that in the prior art, the electronic equipment cannot regulate the display parameters of the display object according to the position of the operator above the display unit and can only regulate the display parameters of the display object by touch operation of a user is solved.

The invention discloses a wrist wearing device. The device comprises a main wrist wearing device body and a wrist strap; at least four fixing parts are arranged at the periphery of the main wrist wearing device body in the circumferential direction; the wrist strap is provided with several cooperation parts used for being connected with or separated from the fixing parts, and all the cooperation parts are arranged in sequence in the length direction of the wrist strap, so that the end of the wrist strap is wound through the cooperation part and fixed to the main wrist wearing device body. According to the wrist wearing device, the fixing parts are arranged at the periphery of the main wrist wearing device body, the cooperation parts are sequentially arranged on the wrist strap in the length direction, and by adjusting the connection number of the fixing parts and the cooperation parts, the length of the wrist strap is adjusted so that the wearing space formed by the wrist strap can beincreased or decreased. According to the wrist wearing device, connection stability of multiple parts can be achieved, and multi-gear adjustment of the wrist strap and the main wrist wearing device body can also be achieved; structurally, the wrist wearing device is provided with no redundant parts except for the main wrist wearing device body and the wrist strap, and more cost is reduced structurally; meanwhile, the installation and adjustment mode is simple, and the wearing and adjusting efficiency can be improved.

The invention discloses a method for controlling the rotating speed of a fan and a computer system used for executing the method. The method includes the following steps: a, providing an operation interface in an operation system so as to adjust the current rotating speed of the fan; b, displaying warning information in the operation system when the current rotating speed is lower than a preset rotating speed or the current temperature is higher than a preset temperature; and c, continuously executing processing programs after the current rotating speed is readjusted. The invention enables a user to directly adjust and lower the rotating speed of the fan to reduce the noise. When the current rotating speed of the fan can not effectively lower the temperature of an electronic component, the invention can use the warning information to inform the user of the current state and a preset value and forces the user to achieve the purpose that the current work can only be continued after the rotating speed of the fan is adjusted, therefore, the electronic component can be prevented from being damaged by overheating. Besides, the invention also provides the hotkey function so that the user can conveniently adjust the rotating speed of the fan under the operation system.

According to the embodiment, the invention discloses a method and a device for regulating display brightness of a screen and an electronic device, wherein the method for regulating the display brightness of the screen comprises the following steps: detecting light brightness situation of the screen within a visible range; and regulating the display brightness of the screen in accordance with the detected light brightness situation of the screen within the visible range. According to the scheme, the display brightness of the screen can be conveniently, intelligently, automatically and rapidly regulated, so that the mode of regulating the display brightness of the screen is optimized and user's experience feeling is improved.

The invention provides physical vapor deposition equipment capable of flexibly adjusting the sputtering range. The physical vapor deposition equipment comprises a cavity, a sputtering device, a base, a baffle, a driving device, a driving gear, a transmission gear and multiple movable shielding units. The baffle comprises a first part and a second part, the first part is distributed in the circumferential direction of the cavity, one end of the second part is connected with the bottom of the first part, and the other end of the second part extends towards the center of the cavity. The driving gear is engaged with the transmission gear. The multiple movable shielding units are located on the inner side of the transmission gear, each movable shielding unit comprises an engagement part and a shielding part which are connected with each other, the engagement parts are engaged with the transmission gear, and the adjacent shielding parts are partially overlapped so that a sputtering channel can be formed on the inner sides of the shielding parts. The driving device is connected with the driving gear. When the driving gear is driven by the driving device to rotate, the transmission gear rotates under the engagement effect and drives the movable shielding units to rotate, and therefore the size of the sputtering channel is changed. The physical vapor deposition equipment is beneficial to improving coating uniformity.

The invention provides an electric folding photovoltaic power generation system. The electric folding photovoltaic power generation system comprises a fixed photovoltaic unit, an installation unit, alinear module unit, an electric control box and N mobile photovoltaic units. According to the invention, the electric control box acquires a user instruction, and changes the electrical connection relationship between the fixed photovoltaic unit and all the mobile photovoltaic units; the linear module unit is controlled to operate, so that at least one mobile photovoltaic unit is moved to realizechange of output electric energy of the electric folding photovoltaic power generation system; the electric folding photovoltaic power generation system provided by the invention can realize self electric control according to the user instructions, and an adjustment mode of the photovoltaic power generation system is further improved; moreover, when N is a larger value, the maximum electric quantity of the electric folding photovoltaic power generation system provided by the invention for outputting the electric energy outwards is obviously increased compared with the prior art.