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 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 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 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 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 invention discloses a sand painting design device, which comprises a support platform, a first groove is opened on the top, and a plurality of backlights are arranged in the first groove; a sand table is arranged in the first groove, and the top surface of the sand table is It is flush with the top surface of the support platform, and two first magnets are arranged on the outer periphery of the sand table; the template fixing frame is provided with a hollow template, and the bottom of the template fixing frame is provided with a second magnet opposite to the two first magnets , there is also a shielding device on the formwork fixing frame below the hollow formwork; there are at least two support columns, which are symmetrically arranged on the support platform, and a mounting frame is provided on the top of the support column, and a linear motor and a connecting plate are arranged in the mounting frame. The mover of the linear motor is connected to one end of the conveying pipe, and the other end of the conveying pipe is slidably connected to the connecting plate; the sand feeding hopper, the discharge port is connected to the conveying pipe, and the conveying pipe is provided with a plurality of through holes for sand spraying ; The present invention can be applicable to the public that does not possess artistic skill, has market prospect more.

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 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 discloses a 3D light show drone device and a method of use thereof, including a driving mechanism, a central mechanism and a connecting mechanism. The four corners of the central mechanism are rotatably connected to a vertically established driving mechanism through the connecting mechanism. The central mechanism includes a body, and a first stepping motor is embedded in the center of the top surface of the body, and the first stepping motor is connected with a winding wheel through a motor shaft transmission. In the present invention, the central mechanism drives the connecting mechanism to turn outward through the first torsion spring, and the connecting mechanism turns outward through the second torsion spring to drive the driving mechanism. Realize the support and suspension of the traction rope, avoiding the impact of light on the supporting legs during the light show of the 3D light show drone device, affecting the viewing effect of the audience watching at close range.

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.

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.