34results about How to "Avoid affecting the viewing effect" patented technology

The invention relates to a display device with the functions of removing dust and blocking light. The display device comprises a display screen, a support plate, a control panel and a support base, and further comprises a dust removal mechanism and two light blocking mechanisms, wherein the dust removal mechanism comprises a first motor, a rotation shaft, a transmission shaft, a fixing block, a dust removal box, a transmission assembly and two sliders, a dust removal assembly is arranged in the dust removal box, the dust removal assembly comprises a movable box and two movable units, a power unit, a swing rod, a connecting rod, a hinge rod and a suction nozzle are arranged in the movable box, each light blocking mechanism comprises a light blocking box, a rotation assembly and a telescopicassembly are arranged in each light blocking box, and each rotation assembly comprises a second motor, a roller and light-shading cloth. For the display device with the functions of removing dust andblocking light, through the dust removal mechanism, dust covering the display screen can be removed, thus the phenomenon that dust accumulates on the display screen, further, the watching of people is influenced, is avoided, therefore, the practicability of the display device is improved, meanwhile, through the light blocking mechanisms, light-shading work can be carried out on the display screenfrom two sides of the display screen, and thus the phenomenon that the screen reflects light, consequently, the watching effect is influenced, is avoided.

The invention relates to a multifunctional English training archive data storage and display system and a display method thereof and belongs to the technical field of English training. The system comprises a supporting circular truncated cone, and the system also comprises a display cabinet of a hexagonal structure, multiple storage spaces, a projection structure and a lifting structure, wherein the six-side pipe is provided with six partition plates and six groups of lifting doors corresponding to each storage space; the projection structure is further included; a group of file storage structures are arranged in each trapezoidal cavity, and a pitching angle adjusting mechanism is arranged in the hexagonal pipe. According to the system, a lifting door can be lifted, so books can be watched by audiences in an unfolded state, and the audiences at the distance can directly watch the display screen to watch the collected book content in the form of image driving; the rotary projector can project images on the surface of the projection curtain at a certain height, dust in the display cabinet can be treated while the pitching angle is adjusted, and the interior of the display cabinet is prevented from being too wet.

The high-reliability coaxial cable connecting method with anti-theft function includes installing the bipass joint of cable to the casing of equipment, threading the cable the inner hole of the bipass joint, clamping the cable shield with the two fastening surfaces of the cable pressing piece, screwing the fixing plate to the column of the casing, pressing the cable core line in U-shaped slot of binding post and screwing on the holding screw. The method is simple, reliable and efficient, and has anti-theft function.

The invention discloses a display board with convenient height adjusting for electronics technical service consultation, comprising a cross beam board; C-shaped steel pillars having opposing openingsand parallel to each other are welded to the two ends of the cross beam plate; a rectangular slider is slidably connected inside a slide groove of each C-shaped steel pillar; the outer wall of the side of each rectangular slider far away from the groove bottom of the corresponding C-shaped steel pillar is provided with a connection block by welding; the end of each connection block far away from the corresponding rectangular slider is fixedly provided with an adjusting block through a bolt; a display board body is slidably connected between the adjusting blocks; a grooved rim is clamped to theedge of the display board body. adjusting knobs on the C-shaped steel pillars help conveniently control the rise and fall of the display board body so as to adapt to observation habits of users having different body heights; displaying effect of an information display board is improved; an LED lamp strip can save energy and can provide lighting for the display board body.

The invention discloses a television suspension bracket for smart home. The television suspension bracket comprises a fixed plate, a telescopic rack, a supporting frame, a telescopic fixing frame anddust suction shells. Fixed frames are arranged on the right side of the fixed plate in front-and-back symmetry. Moving holes are formed in the lower portions of the side walls of the fixed frames. Moving shafts are arranged in the middles of the moving holes. Each fixed frame is connected with one end of the telescopic rack through the corresponding moving shaft. A fixed shaft is arranged on the upper portion of the side wall of each fixed frame. Each fixed frame is connected with the other end of the telescopic rack through the corresponding fixed shaft. According to the television suspensionbracket, the design of the structure is reasonable; a heat radiation mechanism is arranged, a television in the television fixing frame can be subjected to water cooling heat radiation easily, and the service life of the television can be prolonged; the telescopic rack and air cylinders are arranged, the telescopic rack is stretched through the air cylinders, and therefore the distance of watching the television is adjusted; and dust suction fans and dust suction cotton are arranged, dust attached to the surface of a television screen due to static electricity can be subjected to dust removaleasily, and the situation that after the television is used for a long time, too much dust is generated, and the watching effect is influenced is avoided.

The invention relates to the technical field of non-medical health information consultation, and discloses an exhibition hidden night cleaning device based on a photoconductive resistance principle. The device comprises an exhibition frame, wherein the top of the exhibition frame is fixedly connected with a top frame. Under the action of a light frame, the electric quantity is stored, and illumination is automatically carried out, so that the attraction of an exhibition cabinet is increased; a rotary disc rotates, so that a power source is provided for subsequent cleaning operation; a first rotary rod rotates to enable a cleaning rod to be horizontally or vertically placed, and sanitary ware is automatically stored, so that the cleaning operation is facilitated, and the sanitary ware is hidden in a non-use state; and a second rotating frame rotates to enable a cleaning plate to move up and down, so that a display screen is automatically cleaned at night, the exhibition definition is improved, dust and stains are prevented from contaminating the display screen and affecting the watching effect, the situation that watching of people is affected by the fact that the display screen iscleaned in the daytime is avoided, hands are liberated, the workload of cleaning personnel is reduced, and the automation degree is high.

The invention belongs to the technical field of tissues and tissue products and particularly relates to a removable tissue and a tissue product. The removable tissue comprises a paper layer; the uppersurface of the paper layer is provided with a rubber layer, and the upper surface of the rubber layer is evenly provided with water-absorbing sponge which is arranged symmetrically on the upper surface of the rubber layer. The tissue product is suitable for the removable tissue and comprises a tissue box; the upper end of the tissue box is provided with a tissue cover; the tissue cover is provided with an extraction port; two sides of the extraction port are rotationally provided with a first conveyer roller and a second conveyer roller via rotary posts respectively; the rubber layer and thewater-absorbing layer on the paper layer are provided when a user dines in a dining hall in winter, fog on glasses may affect vision, and the rubber layer on the paper layer enables the user to wipe the fogged glasses conveniently, and helps prevent the fact that the user's wearing is affected since lenses are damaged during wiping due to the common paper being excessively coarse.

The invention discloses a wind-resistant advertising board capable of automatically adjusting the height, and relates to the technical field of advertising boards. The wind-resistant advertising boardcapable of automatically adjusting the height comprises a board body supporting device, wherein the board body supporting device comprises a bottom plate and an advertising board, a supporting columnis fixedly connected to the center of the upper surface of the bottom plate, a hollow sleeve is slidably connected to the upper end of the circumferential side face of the supporting column, a supporting plate is fixedly connected to the upper surface of the hollow sleeve, a spring is arranged in the hollow sleeve, the bottom of the spring is fixedly connected with the upper surface of the supporting column, and the top of the spring in the hollow sleeve is fixedly connected with the center of the lower surface of the supporting plate, so that the problem that most existing wind-resistant advertising boards do not limit the wind speed while facing strong wind and rotating along with the wind, the advertising board can rotate once the wind blows the advertising board, the advertising watching effect is affected, and meanwhile, unnecessary rotation caused by insufficient wind power can greatly shorten the service life of the device.

The invention discloses a polishing device capable of protecting materials for die machining, and belongs to the field of die machining. The polishing device capable of protecting the materials for die machining comprises a base, a polished piece and a polishing mechanism, wherein a supporting base is fixedly connected to the base; a connecting rod and a second threaded rod are rotatably connectedinto the base, and are rotatably connected with a driving mechanism; a first threaded rod is rotatably connected onto the connecting rod; a rotating sleeve is in threaded connection onto the first threaded rod; a jacket is fixedly connected onto the rotating sleeve; and a protective glass plate is fixedly connected onto the jacket. The polishing device capable of protecting the materials for diemachining provided by the invention is easy to use and convenient to operate; the stability of the polished piece is improved by fixing the polished piece, so that the movement of the polished piece in the polishing process is reduced; and meanwhile, the polishing process is protected, so that damage to the body of a worker due to splashing of chippings is reduced, and the operation safety of theworker is improved.

A vehicle-mounted movable studio comprises a vehicle body. A vertical first rotating shaft with a power device is fixedly installed in the middle of the top of a vehicle hopper of the vehicle body. Two horizontal connecting rods are fixedly installed at the top end of the first rotating shaft and symmetrically distributed with the first rotating shaft as the center. The opposite side ends of the two connecting rods are each movably provided with a slide rod. Two horizontal supporting plates are arranged above the vehicle hopper of the vehicle body. Fixed rods are fixedly installed on the opposite sides of the two supporting plates respectively and are parallel to each other. A first through groove is formed in the top side of each fixed rod. Each slide block can be inserted in the corresponding first through groove and slide along the first through groove. The length of a projection screen can be controlled, projections of different image sizes can all be displayed on the projection screen, light can be shielded for the projection screen through a telescopic plate, it is avoided that in the day, images projected on the projection cloth are not clear due to light and other reasons,and it is avoided that the watching effect is influenced.

The invention discloses a method for adjusting the viewing angle of a liquid crystal display, a liquid crystal display and a storage medium, wherein the method includes the following steps: determining a user's line of sight direction, and determining a corresponding viewing angle according to the line of sight direction; obtaining a corresponding viewing angle according to the viewing angle Gamma voltage to adjust the viewing angle of the LCD according to the Gamma voltage. The present invention can calculate the corresponding Gamma voltage according to the optimization algorithm of the Gamma voltage after obtaining the viewing angle of the user, and set the actual Gamma voltage of the display as the Gamma voltage obtained according to the optimization algorithm, thereby adjusting the viewing angle of the display under the viewing angle of the user. Contrast, so that the user can clearly observe the actual content of the display.

The invention discloses a pressure balance valve structure of a shutter with built-in bilayer hollow glass and belongs to the technical field of sunshade hollow glass products. The shutter comprises a shutter body which comprises inner glass, outer glass, a shutter frame pipe and a sealing rubber strip, the pressure balance valve structure comprises a valve seat, a valve plate and a valve cover, the valve seat is arranged in a shutter frame pipe cavity, the valve seat forms a valve plate containing cavity, an air incoming hole is formed in the cavity bottom wall of the valve plate containing cavity, a group of valve plate shelving flanges are formed on the cavity bottom wall of the valve plate containing cavity, and the valve plate is shelved on the valve plate containing flanges; the valve cover is positioned in the shutter frame pipe cavity, the valve cover forms a valve seat matching cavity, a ventilation pipe extends on one side, facing the sealing rubber strip, of the valve cover, passes by the shutter frame pipe wall on one side, facing the sealing rubber strip, of the shutter frame pipe to tap into the sealing rubber strip and is communicated with the outside, and one side, facing a ventilation pipe hole, of the valve plate contacts with the valve cover cavity wall in an adhered manner. The pressure balance valve structure is high in elusiveness, thereby being capable of avoiding damage caused by artificial contact, convenient to manufacture and mount, ideal in self-adjusting effect, convenient and quick to mount and capable of avoiding damage to glass.

The embodiment of the invention provides a content display method and device. The method comprises: when a target content is displayed on a liquid crystal display panel, obtaining a pre-assigned original gray scale for displaying the target content; determining whether the obtained original gray scale is smaller than a preset gray scale or not; if the obtained original gray scale is smaller than the preset gray scale, determining a target gray scale corresponding to the obtained original gray scale according to a corresponding relation between the pre-assigned original gray scale and the target gray scale, wherein a target gray scale in each record in the corresponding relation between the pre-assigned original gray scale and the target gray scale is larger than the original gray scale; and displaying the target content on the liquid crystal display panel with the target gray scale. Compared to displaying of a target content on a liquid crystal display panel with an original gray scale, the content display method and device can display a content on the liquid crystal display panel with a higher target gray scale than the original gray scale to eliminate a light leakage phenomenon,avoid influence on users' watching effects and avoid reduction of users' watching experiences.

The invention provides an intelligent electric power engineering management device and method based on the Internet of Things and VR, the device comprises a fixing assembly, a protection assembly, a cleaning assembly, an observation assembly and a control assembly, after a user connects the control assembly through a client, a control signal is sent to the control assembly to operate the observation assembly for observation, the observation assembly collects three-dimensional pictures and stereo sounds at different angles in real time and sends the three-dimensional pictures and stereo sounds to the client for a user to check, and meanwhile, the cleaning assembly can clean when dust on the surface is too much, so that the dust is prevented from influencing the checking effect, and the problems are solved that monitoring failure is caused by the fact that an on-site monitoring camera is easily blocked by the dust in current electric power engineering management, dust cleaning is too troublesome, the monitoring angle is small, only planar pictures can be seen, and the display effect is poor.

The invention relates to an air gesture control method based on a visible light signal; the method comprises the steps that a display device emits a light signal and collects a reflection signal with a gesture, gesture recognition is achieved after analysis, the reflection signal is used for generating a corresponding control instruction, and the emitted light signal is a visible light wave band. According to the invention, the air gesture recognition and control of the mobile equipment can be realized without adding hardware. According to the invention, a visible light-based gesture recognition system on commercial equipment is realized. Compared with an existing gesture recognition method on the commercial mobile equipment, the method has the advantages that special hardware modification is avoided, that is, any component such as a depth camera does not need to be additionally arranged on the mobile equipment, and the privacy of a user is well protected. In addition, the method is compared with a depth camera, and the energy consumption advantage of the device is verified.

The invention discloses a multimedia teaching device for open class teaching, which comprises a base, a moving mechanism is arranged in the base, a telescopic rod is welded on the base, an air cylinder is arranged on the telescopic rod, a sliding sleeve is slidably connected to the outer side of the air cylinder, a support is fixedly mounted on the sliding sleeve, a lifting mechanism is arranged on the support, and the lifting mechanism is arranged on the base. A shell is arranged on the lifting mechanism, an adjusting mechanism is arranged in the shell, a curtain is arranged on the adjusting mechanism, the tail end of the curtain is fixedly connected with a connecting block, the connecting block makes contact with a support, a side plate is welded to the support, the side plate makes contact with the connecting block, a top plate is welded to the shell, and a top plate is welded to the top plate. The top plate and the air cylinder are fixedly installed. The invention relates to a multimedia teaching device for open class teaching. The multimedia teaching device has the advantages of being better in overall placement stability and overall viewing effect.

The embodiment of the invention provides a content display method and device. The method comprises: when a target content is displayed on a liquid crystal display panel, obtaining a pre-assigned original gray scale for displaying the target content; determining whether the obtained original gray scale is smaller than a preset gray scale or not; if the obtained original gray scale is smaller than the preset gray scale, determining a target gray scale corresponding to the obtained original gray scale according to a corresponding relation between the pre-assigned original gray scale and the target gray scale, wherein a target gray scale in each record in the corresponding relation between the pre-assigned original gray scale and the target gray scale is larger than the original gray scale; and displaying the target content on the liquid crystal display panel with the target gray scale. Compared to displaying of a target content on a liquid crystal display panel with an original gray scale, the content display method and device can display a content on the liquid crystal display panel with a higher target gray scale than the original gray scale to eliminate a light leakage phenomenon,avoid influence on users' watching effects and avoid reduction of users' watching experiences.

The invention discloses a sand painting design device. The device comprises a support table, a sand table, a template fixing frame, at least two support columns and a sand feeding hopper, wherein a first groove is arranged in the top of the support table, and a plurality of backlight lamps are arranged in the first groove; the sand table is arranged in the first groove, the top surface of the sandtable is flush with the top surface of the support table, and two first magnets are arranged on the outer periphery of the sand table; the template fixing frame is provided with a hollow template, the bottom of the template fixing frame is provided with second magnets with opposite magnetic properties to the two first magnets, and the template fixing frame located below the hollow template is also provided with a shielding device; the at least two support columns are symmetrically arranged on the support table, the tops of the support columns are equipped with a mounting frame, the mounting frame is internally equipped with a linear motor and a connecting plate, the mover of the linear motor is connected to one end of a conveying pipe, and the other end of the conveying pipe is slidinglyconnected to the connecting plate; and a discharge port of the sand feeding hopper communicates with the conveying pipe, the conveying pipe is provided with multiple through holes for spraying sand. The sand painting design device can be applied to the general public who do not have art skills and has market prospects.

The invention relates to the technical field of tools for exhibition halls of bioscience and technology parks, and discloses a multimedia display device for the exhibition hall of a bioscience and technology park, which comprises a base, a fixed plate is fixedly arranged at the upper end of the base, a groove is formed in the front side of the fixed plate, strip-shaped grooves are formed in the upper end and the lower end of the groove, and a display screen is fixedly placed in the groove. A protective cover is arranged outside the display screen, a first cavity is formed in the fixed plate, a clamping mechanism is arranged in the first cavity, the protective cover is fixedly connected with the fixed plate through the clamping mechanism, and the protective cover is slidably connected with the side wall of the strip-shaped groove. The display screen can be prevented from being damaged due to accidental collision in the exhibition hall display process, and dust prevention treatment is carried out, so that dust accumulation is prevented, and the watching effect is prevented from being affected.

A business administration teaching multimedia device disclosed by the present invention comprises a bottom plate, the upper end of the bottom plate is provided with a first placing groove, the inner wall of the first placing groove abuts against a vertical storage block, the upper end of the bottom plate is provided with a second placing groove, and the inner wall of the second placing groove abuts against a vertical connecting block. The vertical storage block corresponds to the vertical connecting block, and a collecting groove is formed in the side wall of the vertical storage block. The device has the advantages that by arranging the horizontal plate and the supporting spring, the sliding block can move in the placing process of the vertical storage block and the vertical connecting block, so that the mounting plate is more convenient to mount, and the vertical storage block and the vertical connecting block can be limited and clamped in the placing process of the mounting plate by utilizing the trapezoidal clamping block, so that the mounting plate is more convenient to mount. The multimedia equipment is more convenient to install, the writing board at the upper end of the installation plate and at the bottom of the curtain is utilized, auxiliary understanding can be carried out on difficult parts in the business administration teaching process, and business administration teaching can be conveniently used.

The invention provides a multimedia teaching projection screen, and relates to the technical field of teaching aids. The bottom of the lifting mechanism is rotationally inserted into a sliding groove formed in the supporting base. The surface of the bottom fastening connecting device is rotationally connected with the supporting base. The top of the inner side of the sliding protection device is fixedly connected with the lifting mechanism. One end of the projection screen angle control device is connected with the support frame main body device; the problems that the ground fixing effect is relatively poor, the projection screen lacks a protection device, and angle adjustment of the projection screen is troublesome are solved. The sliding protection device arranged in the device can play a good role in protecting the projection screen, and the sliding protection device can be used as a blackboard for auxiliary teaching; the bottom fastening and connecting device is arranged, so that a good anti-skid effect can be achieved, and meanwhile, rotation adjustment of the transverse angle of the projection screen is not affected; the projection screen angle control device is arranged, so that longitudinal angle control can be performed on the projection screen.

The invention discloses a preschool teaching model, which comprises a storage box, the top of the storage box is fixedly connected with a driving box, the top of the driving box is slidably connected with a movable box, the bottom of the inner cavity of the movable box is rotatably connected with a rotating shaft through a bearing, and the top of the rotating shaft penetrates through the movable box and is fixedly connected with a fixed block through a connecting plate; the right side of the bottom of an inner cavity of the movable box is fixedly connected with a rotating motor, the output end of the rotating motor is connected with a driving belt wheel in a sleeving mode, and the outer surface of the rotating shaft is connected with a driven belt wheel used in cooperation with the driving belt wheel in a sleeving mode. Through arrangement of themovable box, the rotating shaft, the fixed block, the rotating motor, a master pulley and a slave pulley, the model body can be made to rotate; by arranging the structure, the model body has the advantage that the model body can rotate when being displayed, the problem that an original model body cannot rotate when being displayed is solved, and therefore the watching effect of children is prevented from being affected.

The invention belongs to the technical field of paper towels and paper supplies, and specifically relates to a removable paper towel and paper supplies, including a paper towel layer; the upper surface of the paper towel layer is provided with a rubber layer, and the upper surface of the rubber layer is evenly arranged There is a water-absorbing sponge, and the water-absorbing sponge is symmetrically arranged on the upper surface of the rubber layer; the paper-absorbing supplies are suitable for the paper-absorbing, including a tissue box; the upper end of the tissue box is provided with a paper-absorbing cover; There is a paper-drawing port, and the first paper-feeding roller and the second paper-feeding roller are set on both sides of the paper-drawing port through the rotation of the rotating column; the rubber layer and absorbent sponge on the paper towel layer are convenient for people to eat in the restaurant in winter. The atomization on the glasses affects the viewing effect. The rubber layer set on the paper towel layer is convenient for the user to wipe the atomized glasses, preventing the ordinary paper from being damaged due to excessive roughness when wiping the glasses. Affect the wearing effect of the user.

The invention relates to the technical field of non-medical health information consultation, and discloses a hidden night cleaning device for exhibitions based on the principle of photoresistors, including an exhibition frame, the top of which is fixedly connected with a top frame; the function of the light frame , save power, and automatically illuminate, increase the attractiveness of the display cabinet, and make the turntable rotate to provide power for subsequent cleaning operations. The rotation of the first rotating rod causes the cleaning rod to be placed horizontally or vertically, and the sanitary ware is automatically retracted , which is conducive to the cleaning operation. In the non-use state, the sanitary ware is hidden, and the rotation of the second rotating frame causes the cleaning plate to move up and down, automatically cleaning the display screen at night, increasing the clarity of the exhibition to avoid dust and stains The contamination will affect the viewing effect, and avoid cleaning during the day, which will affect people's viewing, free hands, reduce the workload of cleaning personnel, and have a high degree of automation.

The invention belongs to the technical field of information technology consultation, and particularly relates to an internet-based multifunctional information technology consultation service device which comprises a workbench, a box body is fixedly arranged on the lower side wall of the workbench, a cavity is formed in the position, located at the upper end of the box body, of the side wall of the workbench, and a case is fixedly arranged at the lower end of the interior of the box body. A double-shaft motor is fixedly arranged in the machine box, rotating rods are fixedly arranged at the two ends of the double-shaft motor correspondingly, first bevel gears are fixedly arranged at the two ends of the two rotating rods correspondingly, lead screws are longitudinally and rotationally arranged at the two ends in the box body correspondingly, and second bevel gears are fixedly arranged at the lower ends of the rod walls of the two lead screws correspondingly. The computer can be directly moved to the upper end of the workbench when the computer needs to be used, and the computer can be moved to the lower end of the workbench when the computer does not need to be used, so that the computer can be effectively prevented from being damaged by external impact, and dust accumulation can be prevented from affecting the watching effect.

The invention discloses a VR skating device and belongs to the technical field of VR. The VR skating device specifically comprises skating shoes, a skating platform and a VR system, the skating shoescomprise shoe covers and pulley sets, and the pulley sets are fixed to the lower portions of the shoe covers and comprise fixed frames and sliding balls. The sliding balls are mounted in the fixed frames, a protection fence is arranged on the skating platform and comprises a handrailing and a supporting rod, and the VR system comprises a height sensor, an angle sensor, VR eyeglasses and a single chip microcomputer. The height sensor and the angle sensor are arranged on the skating shoes, and the VR eyeglasses comprise eyeglass bodies and fixing strips. The height sensor, the angle sensor and the VR eyeglasses are connected with the single chip microcomputer. Through the VR skating device, a user can be assisted to skate, a beginner is prevented from falling down to be hurt in a skating rink, meanwhile the VR skating device is simple in structure, high in sense of reality and high in interestingness, and the user can simulate and experience excitement and interest during true ice skating through the VR skating device and can feel immersive.

The invention provides an adjustable auditorium type exhibition theater with good immersion atmosphere. The adjustable auditorium type exhibition theater comprises an exhibition stand and an auditorium, a plurality of seats are mounted on the auditorium, each seat comprises a seat surface, supporting legs and a mounting seat, each mounting seat comprises a base and a rotating seat, a circular telescopic groove is formed in the top of each base, an annular sliding groove is formed in the inner side wall of the bottom of the circular telescopic groove, a sliding block is installed in the annularsliding groove, and a connecting pipe is fixedly installed at the top of the sliding block. The adjustable auditorium type exhibition theatre with the good immersion atmosphere is reasonable in design, the height of seats of auditoriums can be independently adjusted, so that the seat is convenient to use for audiences with different heights, the watching effect is prevented from being influenced,air flow can be generated on the chair surface through the air channel in the height adjusting process, and the use comfort is improved.