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40results about How to "Effective shading" patented technology

Planting method for improving production environment of potatoes

The invention discloses a planting method for improving the production environment of potatoes, which comprises the following steps: regularly placing treated potato seeds on the surface of soil which is not ploughed or fallowed or slightly leveled, with the eyes of the seeds close to the soil downwards or sideways; applying high-quality thoroughly-decomposed farmyard manure or compound fertilizer beside the potato seeds, wherein the farmyard manure or fertilizer can not be in contact with the potato seeds; then covering 3-4 grass or thin soil layers on the surfaces of the potato seeds at intervals, or additionally covering one mulching film layer before covering the top layer; and then carrying out field management, and harvesting at the right time. By using the planting method, the production environment of potatoes can be improved, the yield and commodity rate can be increased, labor and time are saved, and the ecological environment is protected, thereby being beneficial to improving the soil structure and enhancing the soil productivity.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION AGRI TECH PROMOTION GENERAL STATION

Display device, electronic equipment and manufacturing method of display device

Embodiments of the invention disclose a display device, electronic equipment and a manufacturing method of the display device. The display device comprises a display panel, a polarizer, a backlight module and shading glue, wherein the display panel is provided with a light-transmitting area and a shading area, and the shading area is arranged around the periphery of the light-transmitting area; the polarizer is arranged on the display panel, a first through hole is formed in the polarizer, and the first through hole is arranged to correspond to the light-transmitting area; the backlight moduleis arranged on the polarizer, a second through hole is formed in the backlight module, and the second through hole is arranged to correspond to the light-transmitting area; and the shading glue is arranged on the periphery of the hole wall of the second through hole and extends to the periphery of the hole wall of the first through hole. According to the scheme, the glue dispensing frequency during assembly of the display device is reduced and the coating precision of the periphery of the light-transmitting area is improved.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD

Display module and manufacturing method thereof and display device

The invention discloses a display module and a manufacturing method thereof, and a display device, and relates to the technical field of the display. The display module comprises a blind hole locatedat a hollow area, a backlight module, and a display panel arranged at one side of a light-emitting surface of the backlight module; the blind hole penetrates through the backlight module, and a holding space is formed by the blind hole and one side, towards the backlight module, of the display panel; a back frame of the backlight module comprises a base and a bending part, the bending part is benttowards the display panel, and the bending part form the hole wall of the blind hole; the bending part comprises a first end and a second end which are oppositely arranged along a direction verticalto a plane located by the display panel, the second end is connected with the base, and the first end is located at one side, close to the display panel, of the second end; the display module furthercomprises an ink layer and a sealant layer; the ink layer and the sealant layer are located at one side, towards the backlight module, of the display panel; the ink layer is covered on a first non-display area, the sealant layer is filled between the first end and the display panel and contacts with the ink layer. Therefore, the sealant manufacturing process can be reduced when the narrow frame isrealized.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Fruit-vegetable quality evaluation device

There is provided a quality evaluation device capable of evaluating the quality of fruits-vegetables with a high accuracy. The transmitting light from an object (M) to be measured is received by a light reception sensor of charge accumulation type. Charge is accumulated in the light reception sensor from the accumulation start timing until the time set for accumulation has elapsed. After this, an electric charge accumulation discharge processing for discharging the electric charge accumulated in the light reception sensor until the time set for discharge has elapsed is repeatedly performed. When the object (M) reaches the measurement position, the charge accumulated is discharged. After this, a measurement charge accumulation processing is performed for accumulating charge used as light reception information for quality evaluation. Furthermore, the quality evaluation device includes: a light reception section (2) for receiving near-infrared light projected from a projection section (1) to the object to be measured by performing spectral analysis; and a calculation section for calculating a quality value of the fruit-vegetable in accordance with the received light information from the light reception section (2) and a measurement equation. This calculation section is configured so as to perform wavelength calibration in accordance with the received light information obtained when a reference body for wavelength calibration is measured. The measurement equation is created with a smaller resolution than the maximum resolution of the received light information decided in accordance with the number of unit light reception sections. The wavelength calibration performed by using the received light information is performed with a smaller resolution than the resolution required for creating the measurement equation.
Owner:KUBOTA LTD

Method for covering and culturing summer and autumn small brassica chinensis vermins-proof net

The invention relates to an insect-proof net mulch cultivation method for the small green leaf vegetables in summer and autumn, which is an environmental protection type new agricultural technology, belonging to the technical field of harmless vegetable production. The invention is characterized in that heat resistant variety is chosen; silver grey or while insect-proof net having thirty meshes is adopted; whole net mulching mode is adopted according to the size of pest body, and totally enclosed covering is realized; sufficient organic manure is applied, and proper pesticides are chosen for soil treatment to prevent pest and soil borne diseases; the sowing is precise, and the management is scientific. The invention has the advantages that artificial isolation barrier is structured to cut off direct pest damage and the transmission way of virus; no (or less) pesticide is used in harmless vegetable production, and the objective to produce reassurance vegetables is achieved.
Owner:梁明华

Sun-shading anti-dazzle device

The invention provides a sun-shading anti-dazzle device. The sun-shading anti-dazzle device is mounted on a vehicle window, and the vehicle window comprises a window opening, vehicle window glass and an electronic control module, wherein the electronic control module is used for controlling the lifting of the vehicle window glass along the window opening; when the vehicle window glass is positioned at the highest position, the vehicle window glass covers all regions of the window opening. The sun-shading anti-dazzle device comprises sun-shading glass and anti-dazzle glass, wherein the sun-shading glass is mounted on one side of the vehicle window glass in parallel and connected with the electronic control module, the lifting of the sun-shading glass is controlled by the electronic control module, and when the sun-shading glass is lifted to the highest position, the sun-shading glass covers the all regions of the window opening; the anti-dazzle glass is mounted on one side of the vehicle window glass in parallel and connected with the electronic control module, the lifting of the anti-dazzle glass is controlled by the electronic control module, and when the anti-dazzle glass is lifted to the highest position, the anti-dazzle glass covers all of the regions of the window opening. According to the sun-shading anti-dazzle device disclosed by the invention, all of the regions of the window opening can be covered by the sun-shading glass or the anti-dazzle glass, so that the effective shading is realized.
Owner:KUNDA COMP TECHKUSN

Multifunctional intelligent eye patch

The invention discloses a multifunctional intelligent eye patch, and belongs to the technical field of sleep aids. The eye patch comprises a power supply, an elastic girdle and an electric wire. An elongated shading belt is arranged on the elastic girdle, a plurality of side massage heads are uniformly arranged on two sides of the inner side face of the shading belt, a plurality of middle massageheads are arranged in the middle of the inner side face of the shading belt, and a shading sleeve covers the shading belt, and a girdle sleeve covers the elastic girdle. The eye patch solves the problem that an existing eye patch is single in structure and uncomfortable to wear. The eye patch is simple in structure and low in cost and has functions of acupuncture point massage and the like, lightcan be effectively shaded and discomfort at the back of an ear can be eliminated when a user wears the eye patch in sleep, and practicability is greatly enhanced.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

One glass solution (OGS) touch screen and fabrication process of OGS touch screen

The invention relates to a one glass solution (OGS) touch screen. The OGS touch screen sequentially comprises tempered glass, a first bottoming oil ink, an oxide membrane layer, a first conductive layer, a short circuit prevention insulation layer, a second conductive layer, a connection conductive layer, a scratch resistant insulation layer and a second bottoming oil ink, the OGS touch screen is provided with a window region and non-window regions, and the first bottoming oil ink and the second bottoming oil ink are arranged in the non-window regions. By the OGS touch screen, a circuit can be effectively protected, light can be effectively blocked, and the cost is reduced.
Owner:湖北仁齐科技有限公司

Fruit-vegetable quality evaluation device

There is provided a quality evaluation device capable of evaluating the quality of fruits-vegetables with a high accuracy. The transmitting light from an object (M) to be measured is received by a light reception sensor of charge accumulation type. Charge is accumulated in the light reception sensor from the accumulation start timing until the time set for accumulation has elapsed. After this, anelectric charge accumulation discharge processing for discharging the electric charge accumulated in the light reception sensor until the time set for discharge has elapsed is repeatedly performed. When the object (M) reaches the measurement position, the charge accumulated is discharged. After this, a measurement charge accumulation processing is performed for accumulating charge used as light reception information for quality evaluation. Furthermore, the quality evaluation device includes: a light reception section (2) for receiving near-infrared light projected from a projection section (1)to the object to be measured by performing spectral analysis; and a calculation section for calculating a quality value of the fruit-vegetable in accordance with the received light information from the light reception section (2) and a measurement equation. This calculation section is configured so as to perform wavelength calibration in accordance with the received light information obtained when a reference body for wavelength calibration is measured. The measurement equation is created with a smaller resolution than the maximum resolution of the received light information decided in accordance with the number of unit light reception sections. The wavelength calibration performed by using the received light information is performed with a smaller resolution than the resolution requiredfor creating the measurement equation.
Owner:KUBOTA LTD

Air-sensitive characteristic response curve testing device with outer cover

The invention discloses an air-sensitive characteristic response curve testing device with an outer cover. A heating piece is arranged at the bottom of a sample bearing table, a first air inlet pipe,a second air inlet pipe and an air outlet pipe are arranged on a flange disc, a universal bamboo joint pipe is connected to an air outlet end of the second air inlet pipe, the first air inlet pipe andthe second air inlet pipe are located above the sample bearing table, and the universal bamboo joint pipe is adjacent to the top surface of the sample bearing table; an inner cover is a transparent cover and externally covers the sample bearing table, the heating piece, a first probe, a second probe, the first air inlet pipe, the second air inlet pipe, the air outlet pipe and the universal bamboojoint pipe, an opening end of the inner cover is fixed with an outer round surface of the flange disc, the inner cover and the flange disc are sealed through an o-shaped ring, and a heating wire is arranged on the inner wall of the outer cover. Based on existing structures, the scheme has the beneficial effects that the non-removable transparent inner cover is additionally arranged, and the thermal insulation between the inner cavity of the inner cover and the outside is realized, so that the temperature isolation between the to-be-tested air-sensitive material and the outside is realized, and the influence caused by the external temperature to the air-sensitive characteristic is avoided.
Owner:CHONGQING UNIV OF TECH

Water-permeable film for plant protection and preparation method thereof

The invention discloses a water-permeable film for plant protection. The water-permeable film comprises, by weight, 45-65 parts of low-density polyvinyl chloride, 25-35 parts of a PVB polymer, 12-16 parts of carbon black type black polyester masterbatch, 7-9 parts of a light stabilizer, 7-9 parts of permethrin, 3-5 parts of glyceryl monostearate, 3-5 parts of an organic vanadium salt, 3-5 parts ofan antioxidant, 1-3 parts of an anti-aging agent and 1-3 parts of a UV absorber. The invention also discloses a preparation method of the water seepage film for plant protection. The water-permeablefilm can effectively shield the crops so that the crops are prevented from being transmitted by the sunlight too strongly, and the light stabilizer can evenly distribute lights in the water-permeablefilm. The permethrin can treat pests in soil so that the growth of crops is not influenced and the normal growth of plants is guaranteed.
Owner:温州莲华环保科技有限公司

Multi-lens oblique photogrammetry camera for architectural design

The invention relates to the technical field of measuring cameras, and discloses a multi-lens oblique photogrammetry camera for architectural design, which comprises a measuring camera, a control mechanism is mounted at the top of the measuring camera, the control mechanism comprises a connecting plate, and a control box is fixedly connected to the top of the connecting plate. A mounting frame is fixedly connected to the top of the control box, a control motor is fixedly connected to the interior of the mounting frame, and a protection mechanism is hinged to the outer side of the control mechanism. According to the multi-lens oblique photogrammetry camera for building design, the camera is measured to be excessively inclined, a sliding block slides under the action of gravity, the sliding block touches a protection switch, the protection switch enables a control motor to rotate reversely rapidly, the control motor drives protection plates to swing downwards through a pull rod, and the four sets of protection plates swing downwards at the same time to be closed to form a protection box; and the protection box protects the measurement camera inside, so that the effects of automatic protection function and safe use are achieved.
Owner:深圳市纪筑空间设计有限公司

Gas sensitivity characteristic response curve test device

The invention discloses a gas-sensing characteristic response curve test device. The bottom of the sample carrier is provided with a heating plate, and the top surface of the sample carrier is used to carry the gas-sensitive material to be tested; the flange is provided with a first air inlet pipe, a second Two air inlet pipes and air outlet pipes, wherein the outlet end of the second air inlet pipe is connected with a universal bamboo pipe, and the first air inlet pipe and the second air inlet pipe are located above the sample carrier, and the universal bamboo pipe is close to the sample carrier. Top surface; the inner cover is a transparent cover, and the inner cover covers the sample carrier, the heating plate, the first probe, the second probe, the first air inlet pipe, the second air inlet pipe, the air outlet pipe and the universal bamboo tube , and the opening end of the inner cover is fixed to the outer circular surface of the flange, and the inner cover and the flange are sealed by an o-ring. In this case, on the basis of the existing structure, a non-detachable transparent inner cover is added. The inner cavity of the inner cover is insulated from the outside, so that the gas-sensitive material to be tested can be isolated from the temperature of the outside world, thereby avoiding the temperature of the outside world. Effect on gas-sensing properties.
Owner:合肥名龙电子科技有限公司

Flash detection system

The invention discloses a flash detection system which comprises a cleaning system, a filling system, a tank to be detected and a detection system. The cleaning system is used for picking, filling and blow-drying cleaning liquid, the filling system is used for picking and filling detection reagents, the tank to be detected contains liquid to be detected, and the detection system is used for detecting objects to be detected. Maintenance and functions of the systems are realized by connecting the filling system, the cleaning system and the detection system through a pipeline, the detection system comprises a light-tight cylinder arranged above a detection cell, the light-tight cylinder is overlapped with the center line of the detection cell, a rapidly openable shutter is arranged above the light-tight cylinder, a photomultiplier is arranged above the shutter, and a filling needle sequentially penetrates the shutter and the light-tight cylinder and is suspended above the detection cell. By the aid of the filling needle arranged above the detection cell, the detection reagents can be rapidly filled, the shutter is rapidly opened to obtain detection results, the flash detection system is applicable to flash detection, the pipeline can be blow-dried by the cleaning system capable of blow-drying the cleaning liquid after a liquid path is cleaned, residues are avoided, and the pipeline is cleaned up.
Owner:苏州翊讯生物科技有限公司

Air-sensitive characteristic response curve testing device with stirring blades

PendingCN108241006AImprove test accuracy and confidenceUniform gas concentration and temperature fieldPreparing sample for investigationMaterial analysis by electric/magnetic meansThermal insulationMagnet
The invention discloses an air-sensitive characteristic response curve testing device with stirring blades. A heating piece is arranged at the bottom of a sample bearing table, and the surface of thesample bearing table is used for bearing a to-be-tested air-sensitive material; a first air inlet pipe, a second air inlet pipe and an air outlet pipe are arranged on a flange disc, and a universal bamboo joint pipe is connected to an air outlet end of the second air inlet pipe; a stirring bracket is arranged in an inner cavity of an inner cover, a groups of driven magnets are fixedly arranged atthe outer end of the stirring bracket along the circumferential direction and are N-pole magnets, and the outer round surfaces of the driven magnets are in running fit with the inner wall of the innercover; and a connecting shaft is coaxially and fixedly arranged in the center of the stirring bracket, and a group of stirring blades are uniformly at each of two ends of the connecting shaft along the circumferential direction. Based on existing structures, the scheme has the beneficial effects that the non-removable transparent inner cover is additionally arranged, and the thermal insulation between the inner cavity of the inner cover and the outside is realized, so that the temperature isolation between the to-be-tested air-sensitive material and the outside is realized, and the influencecaused by the external temperature to the air-sensitive characteristic is avoided.
Owner:CHONGQING UNIV OF TECH

Hot season shortage period leaf vegetable pollution-free cultivation technique

The invention relates to a hot season shortage period leaf vegetable pollution-free cultivation technique, and belongs to the technical field of pollution-free vegetable production. The technique is an environment-friendly new agricultural technique and is characterized in that heat-resistant varieties are selected, a 30-mesh silver grey or white insect-proof screen is selected according to the sizes of insect pest bodies, fully-enclosed covering is implemented by means of full mesh covering, sufficient organic fertilizers are applied, appropriate pesticides are used for soil treatment, insect pest and soil-borne diseases are prevented, precision seeding is realized, and management is scientific. An artificial isolation barrier is constructed, direct insect pest harm and virus transmission routes are cut off, no (or fewer) pesticides are used, pollution-free vegetables are produced, and 'quality-assured vegetables' can be produced.
Owner:JURONG AGRI TECH PROMOTION CENT

Solar intelligent temperature-adjusting and color-changing shutter

The invention relates to a solar intelligent temperature-adjusting color-changing shutter which comprises a single-chip microcomputer control module connected with a color-changing glass module, a change-over switch and an information acquisition module, the information acquisition module comprises a wind speed sensor and a temperature and humidity sensor, and the change-over switch is connected with the color-changing glass module. Solar energy and the direct-current generator are used for generating electricity, data are detected through the wind speed sensor and the temperature and humidity sensor, the real-time external environment is collected, the data are transmitted to the single-chip microcomputer, and the single-chip microcomputer analyzes and judges the collected wind speed and temperature data so as to control the change-over switch to achieve whether the photochromic glass is transparent or not. According to the invention, sunshine and ultraviolet rays can be effectively shielded, so that the intelligent sun shield is more in line with the convenient and intelligent life concepts of modern people, and can meet the application requirements of public places such as homes, offices, hospitals and shopping malls.
Owner:江苏泉鑫嘉节能科技有限公司

An all-round adjustable mobile phone photo shading device

An all-round adjustable mobile phone camera shading device, including a box structure with front and rear windows composed of bottom, top and left and right sides; the bottom is composed of a U-shaped clamping plate main body, including the top surface, bottom surface and clamping gap , and the top surface is connected with an L-shaped stop plate extending forward, and the top is also composed of a U-shaped clamping plate main body; the left and right sides are composed of a U-shaped plate main body, and the U-shaped plate main body includes forming the side of the device. The side plates are connected to the upper and lower ends of the side plates and the bottom plate is formed. The top plate is movably inserted in the clamping gap of the top U-shaped clamping plate, and the bottom plate is movably inserted in the clamping gap of the bottom U-shaped clamping plate. When using a mobile phone to take pictures, put the mobile phone into the L-shaped stop plate, adjust the height of the device, and then slide the U-shaped clamping plate at the bottom to clamp and position the mobile phone, and then the camera operation can be carried out. Effective shading is carried out, and the user can watch the mobile phone screen through the window of the device to improve the quality of the photo taken.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Adjustable shading device used for taking photographs with mobile phone

An adjustable shading device used for taking photographs with a mobile phone comprises a box body structure which is composed of a base, a top and a left lateral part and a right lateral part and is provided with a front window and a rear window, wherein the base of the device is composed of a U-shaped clamping board body and comprises a top surface, a bottom surface and a clamping gap, the top surface is connected with an L-shaped baffle extending forward, the top of the device is also composed of a U-shaped clamping board body, the left lateral part of the device is composed of a U-shaped board body, and the right lateral part of the device is composed of a U-shaped board body. Each U-shaped board body comprises lateral boards which form the lateral parts of the device, a top board connected with the upper ends of the lateral boards, and a base board connected with the lower ends of the lateral boards, wherein the top board is movably inserted in a clamping gap of the U-shaped clamping board of the top of the device, and the base board is movably inserted in the clamping gap of the U-shaped clamping board of the base of the device. When the mobile phone is used for taking photographs, the mobile phone is placed in the L-shaped baffle, the height of the device is adjusted, and then the mobile phone is clamped and positioned through sliding of the U-shaped clamping board of the base of the device for photograph taking. Due to the fact that the screen of the mobile phone is effectively shaded by the device, a user is enabled to observe the screen of the mobile phone through the windows of the device, and then quality of photographs taken is improved.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Shading piece, preparation method thereof and lens structure

The invention relates to a lens structure which comprises a lens barrel, a front lens and a rear lens, wherein a shading piece is arranged between the front lens and the rear lens, the shading piece comprises an annular first shading part located between the front lens and the rear lens and a second shading part connected with the inner side of the first shading part, and the second shading part is in a barrel shape. The second shading part extends from the inner side of the first shading part in the optical axis direction of the lens group in the direction close to the object side, and the aperture of the end, close to the first shading part, of the second shading part is larger than that of the end, away from the first shading part, of the second shading part. And the shading part obliquely extends towards the image side surface of the front lens, so that when the lens structure is applied to the camera module, the aim of shading all light rays emitted or reflected by the non-optical design area is fulfilled, and stray light is effectively eliminated and the imaging effect is ensured without the cost of shading the optical design area. The invention further provides an optical filter in the lens structure and a preparation method of the optical filter.
Owner:JIANGXI JINGCHAO OPTICAL CO LTD

A triangular column carton for commodity transportation

The invention discloses a triangular column carton for commodity transportation, which belongs to the field of packaging materials. A triangular column carton for commodity transportation includes a box body. There is a box door on one side of the box body, two grooves are set on the circumferential side wall of the box body, buckles are arranged at equal intervals along the direction of the groove on the circumferential side wall of the box body, and the inside of the groove is set There are ties, and there is a protective observation device on the box door. The protective observation device is composed of a sliding plate, a sliding groove, a fixing piece, a positioning plate, a spring groove, a return spring, an insert, and a pull rod, which can achieve good stability and strength. High, good pressure resistance and pressure resistance, it can effectively protect the items during transportation, easy to fasten, easy to observe, low cost and long service life.
Owner:霸州市军辉纸制品有限公司

Preparation process of theasaponin sterilant for preventing and control rat plague

The present invention is preparation process of theasaponis sterilant for preventing and controlling rat plague. The theasaponis sterilant is prepared with tea seed cake as main material, and through extracting with water solution of hydrophilic solvent at 50-80 deg.c for 1-3 times, merging the extracted liquid and filtering; membrane separating the filtrate to eliminate impurity and concentrating to 10-15 Baume degree (60 deg.c); adding 4 wt% concentration water solution of sodium alginate in the same weight as the concentrate; dropping the mixture into 4 wt% concentration water solution of calcium chloride in the same weight; stilling at 4-10 deg.c for 8-12 hr to cure and shape; sieving grains of diameter 4-6 mm and drying to obtain the theasaponis sterilant. The preparation process is novel, simple, efficient and low in production cost, and the theasaponis sterilant has high efficiency in preventing and controlling rat plague, low toxicity and other advantages.
Owner:FUZHOU UNIV

Electrooptic device, manufacturing method thereof, liquid crystal device and projective display device

To provide an electrooptic device which can reliably suppress a substrate floating effect, such as a parasitic bipolar phenomenon, in an SOI-MIS transistor, and which has superior electrical characteristics. An electrooptic device (liquid crystal light valve) of the present invention uses, as one substrate, a composite substrate including a quartz substrate (main substrate 10A) having a first coefficient of thermal expansion, an insulating layer (insulating underlayer 12) formed on the quartz substrate, and a single-crystal silicon layer (semiconductor layer 1a) formed on the insulating layer and having a second coefficient of thermal expansion. A TFT 30 that uses the single-crystal silicon layer as a channel region 1a' is formed on the insulating layer, and at least one line defect D exists in the single-crystal silicon layer that forms the channel region 1a'.
Owner:BOE TECH GRP CO LTD

Soilless culturing hollow tube

The invention discloses a soilless culturing hollow tube comprising a tube body, a water pipe, an aerial fog culturing water pipe supporting rack, a base supporting plate and a pedestal. The hollow tube body is integrated with the pedestal; the aerial fog culturing water pipe supporting rack is in a slideable connection with the internal surface of the tube body; the water pipe is mounted over the aerial fog culturing supporting rack; the base supporting plate is arranged over the pedestal; the base supporting plate is integrated with the pedestal; the water pipe is fixedly connected with an aerial fog nozzle; and the upper end of the hollow tube body is provided with a movable upper lid. The soilless culturing hollow tube is advantaged by great culturing effect; a simulated ecological black environment can be formed to facilitate root growth; the roots of root plants can be supported; root rot can be effectively prevented; and a hollow heat-insulating structure can maintain constant temperature for the internal environment of the water culturing pipe with low price.
Owner:江苏荣诚农业科技发展有限公司

Photographing light blocking device

The invention discloses a photographing light blocking device which comprises two right-angle U-shaped grooves and two plane U-shaped grooves. When the photographing light blocking device is in use, the free ends of the upper end faces of the two right-angle U-shaped grooves are inserted into the plane U-shaped grooves, and the free ends of the lower end faces of the two right-angle U-shaped grooves extend forward to form a mobile phone placing portion which is formed by a base plate, a front side plate and an end side plate. When a mobile phone is used for photographing, the mobile phone is placed into the placing portion, the screen face of the mobile phone is made to lean against the blocking ledge edges of the right-angle U-shaped grooves, one end of the mobile phone is made to abut against the end side plate, and then the other end of the mobile phone is made to be flush with the end faces of the U-shaped grooves through the width adjustment of the U-shaped grooves, so that a user can hold the mobile phone stably by hands during photographing. If the front side plate and the base plate are connected in a sliding and front-back mode, the front side plate can be moved to correspond to the thickness of the mobile phone, and the front side plate can be used for clamping and fixing the mobile phone. Therefore, the photographing light blocking device effectively blocks light for the screen of the mobile phone, the user can watch the screen of the mobile phone through the window formed by the right-angle U-shaped grooves, and the quality of photographed photos is improved.
Owner:南通市华夏时丽网络科技服务有限公司

Gas sensing characteristic response curve testing device

The invention discloses a gas sensing characteristic response curve testing device. The bottom of a sample loading platform is provided with a heating piece. The top surface of the sample loading platform is used for bearing a gas sensing material to be detected. A flange disc is provided with a first gas inlet pipe, a second gas inlet pipe and a gas outlet pipe. The gas outlet end of the second gas inlet pipe is connected to a universal bamboo joint pipe. The first gas inlet pipe and the second gas inlet pipe are located above the sample loading platform. The universal bamboo joint pipe is close to the top surface of the sample loading platform. An inner cover is a transparent cover. The inner cover covers the sample loading platform, the heating piece, a first probe, a second probe, thefirst gas inlet pipe, the second gas inlet pipe, the gas outlet pipe and the universal bamboo joint pipe. The opening end of the inner cover is fixed to the excircle surface of the flange disc. The inner cover and the flange disc are sealed through O-shaped seal rings. Through use of the non-detachable transparent inner cover, heat isolation between the inner cavity of the inner cover and the environment is realized so that the heat isolation between the gas sensing material to be detected and the environment is realized and the influence produced by the environment temperature on the gas sensing properties is avoided.
Owner:合肥名龙电子科技有限公司

Sensor for heart rate detection and wearing structure

The invention provides a sensor for heart rate detection and a wearable structure, belongs to the technical field of heart rate detection, and aims to solve the problem that when a sensor on an existing wearable heart rate detection device is mounted in a shell, the sensor is generally connected through a large number of screws, and then the mounting efficiency of the sensor is greatly reduced. The shell is of a square shell structure, a strip-shaped through opening is formed in the middle of the bottom end face of the shell, and a binding piece is arranged outside the shell. Through the arrangement of the clamping mechanism, when the sensor mainboard is installed, the sensor mainboard is pressed downwards, so that four limiting columns on the sensor mainboard are inserted into four limiting insertion holes in a connecting plate respectively, and meanwhile, four second elastic buckles are clamped with two strip-shaped bayonets respectively, so that the sensor mainboard is fixedly installed in the shell; and in the whole mounting process, a large number of screws are not needed for connection, so that the mounting efficiency of the sensor mainboard is greatly improved.
Owner:李健

A kind of solar cell mppt system and control method for automobile based on neural network

The invention relates to a neural-network-based solar-battery MPPT system for an automobile and a control method. The neural-network-based solar-battery MPPT system includes an automobile body, a triangular stereoscopic folding solar battery panel, a slidable solar battery panel and four hydraulic rod structures, wherein the triangular stereoscopic folding solar battery panel is fixed on the automobile body, and the four hydraulic rod structures are under the control of eight optical sensors. In order to ensure that the photoelectric conversion efficiency is maximal, an improved maximum power point tracing algorithm is added. When the automobile is still, the solar battery panels are spread completely to fully receive light; when the automobile runs, on the basis of the special structure of triangular stereoscopic folding, the plane of the top of the vehicle can still receive the light to charge a storage battery, the solar battery panels are folded at the top of the automobile, by comparing data converted by four optical sensors, the lengths of the hydraulic rods are adjusted to determine optimal light-acceptance dip angles, so that the battery panels receive the light to the maximum degree, it can be ensured that the resistance is not increased when the automobile is driven, the automobile remains steady, the shape of the automobile body is not influenced, the receiving area of the battery panels is enlarged when the automobile is still, and the storage battery is effectively charged.
Owner:HUBEI UNIV OF TECH
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