76results about How to "Guaranteed observation effect" patented technology

The invention relates to an in-situ long-term real-time observation system and method for the deep-sea engineering geological environment. The in-situ long-term real-time observation system comprisesobservation instruments, a mat-supported carrying platform, an observation data relay and transmission buoy system, a remote observation data management server, a client and a matched release and recovery method. The observation instruments and the carrying platform are laid and recycled through a hydraulic penetration mechanism, an acoustic releaser and an underwater robot. The observation instruments and the mat-supported carrying platform are integrated with seawater batteries, and relay and transmission buoys are integrated with solar batteries, thereby realizing self power supply of a submarine observation platform and a sea surface data relay system. The remote observation data management server and the client can query and download the observation data and change parameter settings.The in-situ long-term real-time observation system overcomes the defects that a submarine observation network is long in construction time and great in capital investment and that the common mat-supported observation station cannot be powered by itself or perform real-time data transmission, realizes in-situ, long-term and real-time observation for the deep-sea engineering geological environmentand can be applied to projects such as long-term monitoring for the deep-sea hydrate mining environment and the like.

The invention relates to a self-cleaning observation window device comprising a housing with two end openings, observation window glass, a rotary drive mechanism, and a cleaning brush mechanism. One end opening of the housing is fixed to an article to be observed. The observation window glass is mounted at the other end opening of the housing. The fixed end of the rotary drive mechanism is fixed outside the housing; the moving end of the rotary drive mechanism is fixedly connected with the observation window glass; the rotary drive mechanism drives the observation window glass to rotary around a center shaft in the housing. The cleaning brush mechanism is fixed inside the housing and contacts with the inner surface of the observation window glass. The self-cleaning observation window device has the advantages that the rotary drive mechanism drives the observation window glass to rotate just after the housing is mounted on an opening of the article to be observed, the observation window glass is cleaned by the cleaning brush mechanism meanwhile, cleanliness of the observation window glass is ensured, no influence is generated upon interior temperature and vacuum degree of the article to be observed, and the self-cleaning observation window device is more widely applicable.

The invention relates to an image display adjusting method and device, computer equipment and a storage medium, which are applied in the field of image processing. The method comprises the following steps: detecting a local brightness adjusting command of an image, and determining a target adjusting area of the image after the local brightness adjusting command is detected; and adjusting the display brightness of the image, and generating a transparent layer on the image, wherein the transparent layer includes a first layer area and a second layer area, the first layer area and the target adjusting area of the image are at least partially overlapped, and the transparency of the first layer area is different from that of the second layer area. Through adoption of the image display adjustingmethod and device in the embodiment of the invention, the problem of difficulty in ensuring the image observing quality in an existing adjustment manner is solved, and the effect of adjusting the local display brightness of the image can be realized.

The invention discloses a method for global optimization and distribution of agile satellite imaging tasks and belongs to the field of agile satellite imaging task planning. The method includes analyzing visibility of a satellite for all imaging targets, selecting visible time periods in an inbound pass segment and in which a lateral swing angle that the satellite points to each target start point at an intermediate moment does not exceed a specific range, and sequentially the imaging visible targets in corresponding orbit laps according to the sequence of the visible time periods. The method takes multiple factors such as satellite energies, imaging efficiency and imaging quality from the perspective of satellite application and puts forward the optimization principle that the target imaging time periods are in the inbound pass segment and the lateral swing angle at the intermediate moment of each visible time period is smaller than the specific range, and multiple imaging tasks are distributed to the proper orbit laps to enable the imaging task planning to be more reasonable and meet the satellite application requirements, so that observation results are optimized, imaging quality is guaranteed and energy consumption is reduced.

The invention discloses a multifunctional integrated laser engraving machine. The laser engraving machine comprises a base, two symmetrical fixing plates are fixedly connected with the left side and the right side of the base respectively, an installation bolt is fixedly connected with the top of each fixing plate, two installation grooves are formed in the bottom of the base in a bilaterally symmetric mode, a limiting spring is fixedly connected with the inner surface on the top of each installation groove, and a U-shaped plate is fixedly connected with the end, away from the inner surface onthe top of the corresponding installation groove, of each limiting spring. In the multifunctional integrated laser engraving machine, the effect of controlling the height of the bottom plate is achieved by arranging a stepping motor, a first threaded rod, a first limiting plate and a first telescoping rod, the effect that a worker conveniently selects an appropriate engraving work height according to work needs is further achieved, and then the effect that it is convenient for the worker to observe the engraving process is achieved. Therefore, the aim that the control of the worker over the laser engraving quality is easily improved is achieved through convenient observation, and the engraving process quality is improved.

The invention discloses a high-stability engineering surveying and mapping device. The device comprises a connecting seat; fixing plates are symmetrically and fixedly connected to the top end of the connecting seat; a surveying and mapping instrument is rotatably connected between the two fixing plates; a buffering anti-deviation mechanism is rotatably connected to the bottom end of the connecting seat; a vertical cylinder is fixedly connected to the bottom end of the buffering anti-deviation mechanism; and a water surface floating mechanism is arranged at the outer side of the vertical cylinder. The device is scientific and reasonable in structure and safe and convenient to use; the water surface floating mechanism is arranged; and through cooperation of a pressing plate and a connecting rod, a rubber block is pushed to move in an air cylinder, air exhausting and pushing are conducted, meanwhile, a fixing rod is rotated, the fixing rod drives a lower limiting block and an upper limiting block to move, the positions of the lower limiting block and the upper limiting block are adjusted, so that the lower limiting block, the upper limiting block, a buffer spring and a sealing block are matched with one another; when an air bag strip is inflated, an air pipe is opened through air exhausting and closed through air pushing, and so that air conveniently enters the air cylinder through the air pipe.

The invention relates to a medicinal material scattering preventing device in the traditional Chinese medicinal material microwave drying process. The medicinal material scattering preventing device comprises a rack, a metal box, a conveying belt and roller sets. The metal box is arranged in the middle portion of the rack. The conveying belt is arranged on the rack and penetrates the metal box. The multiple roller sets are arranged in the operation direction of the conveying belt. The medicinal material scattering preventing device further comprises a microwave generator and anti-deflection set racks. The microwave generator is arranged in the metal box. The anti-deflection set racks are arranged on the two sides of the conveying belt. A lug plate frame of the anti-deflection set rack on each side is provided with two anti-deflection wheels, wherein the two anti-deflection wheels are arranged above and below the conveying belt and used for clamping the conveying belt. The lug plate frame on each side is further provided with anti-clamping wheels, wherein the anti-clamping wheels are arranged between the corresponding two anti-deflection wheels, and the axis of each anti-clamping wheel is perpendicular to the axis of the corresponding anti-deflection wheel. An anti-deflection device of a belt conveyor is suitable for being used in a microwave dryer and has the advantages of being stable in running, low in fault rate and long in service life.

The invention discloses a terrain LOD generation method. The terrain LOD generation method comprises the steps of: importing remote sensing images and DEM elevation data which are downloaded online oracquired by means of radar aerial photography, point cloud surveying and mapping and the like into Global Mapper or other GIS software; reading the obtained elevation data through gadl, converting the elevation data into grid data, performing grid division on the grid data, converting the divided grid data into a triangular relationship network, storing a relationship structure of triangular vertexes and surfaces, and calculating a vertex secondary error sequence of each block for the divided grid data; then simplifying the data by taking the data as a whole, and generating a quadtree structure; performing secondary organization on results of a plurality of single-time processing data to form a new quadtree structure so as to dynamically schedule each single-time processing data; and rendering the processed data, determining a cutting mode according to a current view frustum, and ensuring smooth rendering of the city-level number in combination with quick search traversal of the quadtree structure.

The present invention discloses an anemobiagraph for a building. The anemobiagraph for the building comprises a working platform, an observation device is installed at the upper portion of the working platform, the outer surface of the observation device is provided with a LCD display screen, the lower portion of the LCD display screen is provided with an indicator light, the right side of the indicator light is provided with an annunciator, the right side of the annunciator is provided with an operating switch, the right side of the observation device is provided with an optical fiber, the right side of the optical fiber is provided with a pedestal and a support arm, the lower portion of the pedestal is provided with a support arm, the upper portion of the pedestal is provided with a supporting column, and the upper portion of the supporting column is provided with a measurement device. The anemobiagraph for a building is provided with the observation device and coordinates with the LCD display screen to allow users to perform visual observation and analysis of the measured data so as to ensure the integration and unity of the observation and the measurability of the anemobiagraph, and is provided with the indicator light and coordinates with the annunciator to allow the observation device to prompt users when it is detected that the periphery around the users has heavy wind so as to ensure safety of the users and devices.

The utility model relates to the technical field of medical instruments, and discloses a visual intestinal obstruction catheter which comprises a front guide, a front balloon body is fixedly connected to the outer side of the front guide, a rear balloon body is fixedly connected to the other end of the front balloon body, a catheter body is fixedly connected to the other end of the rear balloon body, a divergent part is arranged at the other end of the catheter body, and a guide tube is arranged at the divergent part. A visual lens is fixedly connected in the front guide, one side of the visual lens is fixedly connected with an optical fiber cable, a decoder is arranged on the outer side of the front guide, the other end of the optical fiber cable is fixedly connected with a plug, and the other end of the plug is connected with the decoder in an inserted mode. According to the utility model, through the mutual cooperation of the visual lens, the optical fiber cable, the plug and the decoder, the front guide can be quickly fed into an obstructed affected part, so that the arrangement time of the guide tube is shortened, the treatment efficiency is improved, the condition of the affected part can be intuitively known, and the use is more convenient.

The invention relates to a processing technology of ultra-white glass white printing oven outer door glass in the technical field of glass product manufacturing. The ultra-white glass with a transmittance of more than 95% is selected and cut according to the design size of the oven outer door glass by using a full-automatic glass cutting machine to obtain an oven outer door glass substrate; the edges of the oven outer door glass substrate are edged by using a glass edger; after washing and drying with a washing machine, three layers of ultra-white ink are printed on a decorative area of the oven outer door glass substrate in three times through a screen printer; each layer of ultra-white ink is heated and cured after printing, and then placed in a horizontal continuous tempering furnace toheat and temper, so that the ultra-white ink is sintered with the oven outer door glass substrate into a whole; and after the oven outer door glass is naturally cooled, the oven outer door glass is rinsed with pure water, dried, and then packed and stored. According to the invention, the ultra-white ink can be sintered with the oven outer door glass substrate into a whole at a high temperature; therefore, the ultra-white ink is not easy to fall off, the durability is good, and the texture is better, so that the product is more beautiful and high-grade.

The embodiment of the invention discloses a transformer substation control box demisting system. The system is arranged on a collection control box. An observation window is arranged on the collectioncontrol box; the system includes a demisting detection device which is used for detecting whether mist exists on the observation window or not, and a mist removing device which is used for removing the mist on the observation window. The mist removing device comprises a mist removing assembly used for removing mist and a dew removing assembly used for removing dew. The demisting detection deviceis connected with the mist removing device; the mist removing device operates according to the data provided by the demisting detection device; whether the observation window fogs or not and the fogging condition can be intelligently judged, fog is removed when fog occurs, condensation is removed when condensation occurs, the observation window is kept clear, the observation effect of the observation window is guaranteed, meanwhile, condensation is removed in time, and it is avoided that secondary equipment in the box is affected due to the fact that the condensation is gathered in the box.

The invention discloses a pediatric gastrointestinal examination device for pediatricians, and relates to the technical field of medical instruments. The device comprises a display device. The lower surface of the display device is provided with a gastroscope tube, and the tail portion of the gastroscope tube is provided with a peep structure. The upper surface and the lower surface of the inner wall of the gastroscope tube are respectively fixedly connected with a drainage tube. A plurality of connecting holes are formed in the sides of the two drainage tubes away from each other, and seepageholes are formed in the upper surface and the lower surface of the gastroscope tube at the positions corresponding to the plurality of connecting holes. The device is provided with a negative pressure drainage ball. When the inside is in the negative pressure state, gastric juice and saliva can be sucked into the drainage tube and collected into the negative pressure drainage ball through a catheter. Therefore, the device can prevent children from coughing and nausea during the process of gastrointestinal examination, and the negative pressure drainage technology is applied to ensure diagnosis and treatment of patients effectively.

The invention discloses vacuum reaction chamber and vacuum processing equipment. The vacuum chamber comprises a plurality of wallboards, wherein an observation device is arranged on at least one wall boards of the plurality of wallboards; the observation device comprises an observation window arranged on the wallboard and a shielding plate for shielding the observation window; the shielding plate can be moved between a first position for shielding the observation window and a second position not shielding the observation window. The vacuum processing equipment comprises the vacuum reaction chamber. In the vacuum reaction chamber and the vacuum processing equipment, the shielding plate can protect the observation window and further effectively shield the wallboard around the observation window. The vacuum reaction chamber and the vacuum processing equipment can effectively protect the observation window, prolongs the service life of the observation window, and effectively ensures the observation effect; meantime, the shielding plate can protect the wallboard around the observation window, namely the etched place with highest etching possibility on the wallboard, so as to prolong the entire service life of the wallboard and reduce the cost for high-frequency maintenance and labor loss.

The utility model discloses an underground pipe network defect detection device which comprises a pipeline periscope and a supporting leg fixed on the side portion of the pipeline periscope through a connecting frame, a stable supporting assembly is arranged at the bottom of the supporting leg, the stable supporting assembly comprises a stabilizing rod transversely arranged on the lower portion of the supporting leg, and a buffering assembly is arranged on the stabilizing rod. An underground pipe network defect detection device comprises a pipeline periscope and a supporting leg, the side portion of the supporting leg is fixed through a connecting frame, a stable supporting assembly is arranged at the bottom of the supporting leg and comprises a stabilizing rod transversely arranged on the lower portion of the supporting leg, and a buffering assembly is arranged on the stabilizing rod.

The invention belongs to the technical field of sea floor detection auxiliary devices and in particular relates to an observation instrument location operation device used for seal floor environment detection prediction. The observation instrument location operation device comprises a locating seat, multiple containing grooves are formed in the outer surface of the locating seat, and a compressingcylinder is arranged in the containing grooves; an annular object receiving disc sheathes the outer side of the locating seat, and the annular object receiving disc is fixedly connected with the topof the compressing cylinder; an annular ring is formed in the top of the locating seat, and an annular air sac is arranged inside the annular ring. The observation instrument location operation deviceprovided by the invention has the advantages that the annular object receiving disc and the annular air sac are arranged, the upper surface of the annular object receiving disc can bear sediments inwater, and when a certain amount of sediments are accumulated, the compressing cylinder is extruded, so that gas in the annular air sac is sprayed out by virtue of a first gas jetting hole, disturbance effect on seawater at an observation instrument is realized, sediments deposited on the observation instrument mounted on a mounting seat are dispersed by the gas, the sediments fall off from the observation instrument, and observation effect of the observation instrument is guaranteed.

The invention relates to a chip mounting device for processing plant tissue slices serving as medical detection accessories, which comprises a bottom plate, a positioning device and a chip mounting device, the positioning device is installed in the middle of the upper end of the bottom plate, the chip mounting device is arranged on the left side of the positioning device, and the lower end of thechip mounting device is installed on the bottom plate. The device can solve the problems that when existing device conducts flaking processing on plant tissue slices, the processing effect is poor and the efficiency is low; the glass slide cannot be accurately positioned; therefore, the prepared plant slices are easy to deviate, and the observation effect is influenced; in addition, when existingequipment carries out flaking processing on plant tissue slices, cover glass and glass slides cannot be attached one by one, and therefore the problems that the processing efficiency is low, the production cost is high, the cover glass cannot be effectively protected, and the slice breaking phenomenon is likely to happen in the attaching process are solved.

The invention provides an offline abrasive particle extraction method which comprises the following steps: Step 1, firstly, manually shaking up an offline oil liquid for 30 seconds, putting the offline oil liquid into an ultrasonic machine, and oscillating for 30 minutes to uniformly mix the oil liquid and abrasive particles and avoid agglomeration and deposition of the abrasive particles; Step 2,diluting the oil sample, namely diluting the collected oil sample with kerosene at a ratio of 3: 1 so as to ensure that the used oil sample can smoothly pass through a filter membrane, separating theoil liquid from the abrasive particles by using a syringe filter, and cleaning a syringe by using kerosene; Step 3, taking the filter membrane out of the syringe filter, preparing a glass slide on the glass slide, dripping two drops of clear solution on the glass slide, and putting the filter membrane on the clear solution to ensure that one surface with the abrasive particles is positioned above; and putting the mixture on a constant-temperature table for drying; and Step 4, observing under a microscope. The technical problem that in the prior art, abrasive particles are connected with one another, and consequently analysis of the abrasive particles is inaccurate is solved.

The invention relates to a chip mounting device for processing plant tissue slices serving as medical detection accessories, which comprises a bottom plate, a positioning device and a chip mounting device, the positioning device is installed in the middle of the upper end of the bottom plate, the chip mounting device is arranged on the left side of the positioning device, and the lower end of thechip mounting device is installed on the bottom plate. The device can solve the problems that when existing device conducts flaking processing on plant tissue slices, the processing effect is poor and the efficiency is low; the glass slide cannot be accurately positioned; therefore, the prepared plant slices are easy to deviate, and the observation effect is influenced; in addition, when existingequipment carries out flaking processing on plant tissue slices, cover glass and glass slides cannot be attached one by one, and therefore the problems that the processing efficiency is low, the production cost is high, the cover glass cannot be effectively protected, and the slice breaking phenomenon is likely to happen in the attaching process are solved.

The invention discloses an improved fire-fighting fireproof door convenient to open and close. The improved fire-fighting fireproof door comprises a door frame, wherein a movable door is arranged on the door frame, and a door closer is connected between the movable door and the door frame. According to the improved fire-fighting fireproof door convenient to open and close, a guide structure can form certain supporting and guiding, the opening and closing smoothness of the movable door is guaranteed, and then the movable door can be opened and closed conveniently; an elastic piece is adopted, so that balls can be in contact with the ground all the time even in an uneven ground environment, and the guiding effect is guaranteed; a blocking structure can quickly descend to seal a gap below themovable door, then the sealing performance is improved, and the smoke isolation effect is enhanced; a display board in an indicating structure can reflect light rays, so that a handle can be quicklyfound under the condition of power failure when a fire disaster occurs, and personnel evacuation is facilitated; and a protective structure is used in cooperation with transparent glass, so that the observation effect is guaranteed, meanwhile, the protection effect can be improved, and the practicability is enhanced.

The invention discloses a light box for observing lighting effects, which comprises a light box cavity, a light source support plate, a translucent diffusion plate, a blocking door and an adjustment device. The front and top surfaces of the light box cavity are open, and the adjustment device is arranged on the left and right sides of the inner cavity of the light box cavity. The middle part of the light source support plate is provided with a light source opening for irradiation, and the light source support plate and the diffusion plate are respectively connected to the adjustment device. On the upper side, the shielding door is installed at the position close to the upper side of the front opening of the light box cavity. Its structural design facilitates the replacement and installation of the lamps to be tested, and does not impose any restrictions on the size of the lamps to be tested, avoiding the influence of the light source on the observation process of the lower light source observation area after it is transmitted. At the same time, by adjusting the light source support plate and diffusion plate It can also meet the adjustment needs of different light source irradiation intensity, and realize the observation of light box lighting effects of different types of lamps.

The invention discloses a terrain LOD generation method. The terrain LOD generation method comprises the steps of: importing remote sensing images and DEM elevation data which are downloaded online oracquired by means of radar aerial photography, point cloud surveying and mapping and the like into Global Mapper or other GIS software; reading the obtained elevation data through gadl, converting the elevation data into grid data, performing grid division on the grid data, converting the divided grid data into a triangular relationship network, storing a relationship structure of triangular vertexes and surfaces, and calculating a vertex secondary error sequence of each block for the divided grid data; then simplifying the data by taking the data as a whole, and generating a quadtree structure; performing secondary organization on results of a plurality of single-time processing data to form a new quadtree structure so as to dynamically schedule each single-time processing data; and rendering the processed data, determining a cutting mode according to a current view frustum, and ensuring smooth rendering of the city-level number in combination with quick search traversal of the quadtree structure.

The invention discloses vacuum reaction chamber and vacuum processing equipment. The vacuum chamber comprises a plurality of wallboards, wherein an observation device is arranged on at least one wall boards of the plurality of wallboards; the observation device comprises an observation window arranged on the wallboard and a shielding plate for shielding the observation window; the shielding plate can be moved between a first position for shielding the observation window and a second position not shielding the observation window. The vacuum processing equipment comprises the vacuum reaction chamber. In the vacuum reaction chamber and the vacuum processing equipment, the shielding plate can protect the observation window and further effectively shield the wallboard around the observation window. The vacuum reaction chamber and the vacuum processing equipment can effectively protect the observation window, prolongs the service life of the observation window, and effectively ensures the observation effect; meantime, the shielding plate can protect the wallboard around the observation window, namely the etched place with highest etching possibility on the wallboard, so as to prolong the entire service life of the wallboard and reduce the cost for high-frequency maintenance and labor loss.

The present application relates to the technical field of virtual exhibition, in particular to an exhibit display system based on three-dimensional virtual visualization intelligent exhibition hall, which comprises a display area planning module, a user state positioning module and a response matching database. The user state positioning module monitors the observation features of the user in real time, the adaptive feature display is performed by using the feature mapping set of the user observation state and the feature appearance state constructed by the response matching database, the display planning is performed according to the observation angle and the route position of the user in real time, the best feature observation angle is matched for the user in different observation states, the real-time position, the travel speed and the observation posture of the user in the observation route form a dynamic and adaptive cooperation, and the overall exhibit observation effect is ensured.

The application discloses an underwater object observation method, an underwater device and a computer readable storage medium. The underwater object observation method comprises the following steps: establishing a reference navigation route, wherein the reference navigation route comprises at least one first navigation route, and the first navigation route is used for providing a depth running direction and a reference running distance in the depth running direction; and controlling the underwater device to perform observation on a measured object according to the reference navigation route. In the first navigation route, the underwater device is controlled to perform fixed-distance observation on the measured object. During the fixed-distance observation on the first navigation route, the observation posture of the underwater device is adjusted according to the forward multi-beam sonar reflection signal and / or the longitudinal multi-beam sonar reflection signal and the running condition of the underwater device on the first navigation route. Compared with the prior art, the fixed-distance observation can be performed on the full profile of the underwater object on the first navigation route, and the posture of the underwater device is adaptively adjusted.

The present invention relates to a multi-target imaging task planning method, device and system, belonging to the field of remote sensing satellite technology, and solving the problem of how to adjust the actual observation time within the visible time interval of the remote sensing satellite to each target, taking into account multiple observation targets. The method includes: based on the spatial position of the remote sensing satellite and the observation target, calculating the visible time window of the remote sensing satellite to the observation target; for each observation task, determining the best observation window, wherein the best observation window is the observation window with the smallest front and rear pitch angle and left and right swing angle observed by the remote sensing satellite; according to the best observation window of each observation task, sequentially arranging the observation tasks; when the observation task to be arranged conflicts with the observation task that has been arranged, adjusting the actual observation window of the observation task to be arranged. The actual observation time is flexibly adjusted in sequence, taking into account multiple observation targets.

The invention provides an earth observation system based on a single observation station, and the working mode of an earth observation load comprises a first recording and second playback mode, an imaging window is earlier than a data transmission window, and the imaging window and the data transmission window are not overlapped; in the first playback and second recording mode, the data transmission window is earlier than the imaging window, the data transmission window and the imaging window are not overlapped, and the recording file and the playback file are not the same file; in a first playback and second recording and playing mode, an imaging window is located in a data transmission window, and a recording file and a playback file are not the same file; in the first playback and second accurate real transmission mode, the data transmission window comprises two data transmission sections, the first data transmission section is used for playing back historical files, the second data transmission section is used for accurate real transmission, and the imaging window is not overlapped with the first data transmission section and is partially overlapped with the second data transmission section. By designing a new load mode, the flexibility, data timeliness and observation efficiency of a user observation area are guaranteed, and the earth observation efficiency of a single observation station is effectively improved.

The utility model relates to the technical field of information showing, in particular to an information showing stand which comprises a base, a supporting rod is rotatably connected to the center of the front end of the top of the base through a first stud shaft, a connecting base is fixedly connected to the top of the supporting rod, and a main display screen is fixedly connected to the front face of the connecting base. And hinge rods are fixedly connected to the two sides of the connecting base, hinge blocks are rotationally connected to the outer ends of the hinge rods through second stud shafts, and auxiliary display screens are rotationally connected to the outer ends of the hinge blocks through third stud shafts. The utility model aims to provide an information showing stand to solve the problems that the size of displayed fonts is greatly compressed and the observation is influenced because the existing information showing screen is mostly designed into a single screen and needs to be displayed in a partitioned manner in the multi-information showing process, and the single-screen design mostly can only meet the requirement of a single person for reading operation, so that the information showing stand is inconvenient to use. And synchronous information reading operation of multiple persons is difficult to meet.

The present application belongs to the technical field of dishwashers, and in particular relates to a dishwasher and its airtight door assembly. The airtight door assembly includes a door panel, a first transparent panel and a second transparent panel. The bottom of the concave cavity is provided with an observation window, and the edge of the observation window is formed with ribs arranged around the observation window along the height direction of the door panel, and the first transparent plate is covered on the upper end surface of the door panel , and cover the concave cavity, a first sealing layer is provided between the first transparent plate and the rib, the second transparent plate is sealed and connected with the bottom of the door panel, and covers the observation window. In this way, the complete sealing protection of the observation window is realized, which can effectively prevent high-temperature water vapor from infiltrating into the observation window from the gap formed by the assembly of the door panel, the first transparent plate and the second transparent plate, thereby preventing the observation window from being exposed to high-temperature water vapor. Atomization occurs under the action of osmosis, effectively ensuring the observation effect of the observation window.

The invention discloses a dust isolating device for indoor decoration construction, which belongs to the technical field of decoration, and the dust isolating device comprises a dust-proof box, wherein a vacuum cleaner is connected to the side wall of the dust-proof box through a pipeline, an air pressure balance opening is arranged on the top wall of the dust-proof box, a filter cloth is arrangedinside the air pressure balance opening, a plurality of operation openings are arranged on the side wall of the dust-proof box, an operation glove inside the dust-proof box is arranged on each of theoperation openings, a visible glass is arranged above the operation glove inside the dust-proof box, a cleaning device for cleaning the inside wall of the visible glass is arranged on the side wall of the dust-proof box, a transparent dust-proof paint is coated on the inside wall of the visible glass, the dust-proof paint is prepared from the following raw materials in parts by weight: 10 to 30 parts of nanometer antimony-doped tin dioxide; 40 to 60 parts of polyamide resin; and 30 to 45 parts of ethyl acetate. The dust-proof paint has the following beneficial effects: The dust-proof paint has a good antistatic performance, so as to avoid dust adsorption on a visible glass, thereby ensuring the observation effect of the visible glass on the inside of the dust-proof box.