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34results about How to "Change projection angle" patented technology

Ultrathin hidden type multifunctional automatic lifting and lighting device

The invention relates to an ultrathin hidden type multifunctional automatic lifting and lighting device, which belongs to intelligent household equipment of the mechanical and electrical field. The ultrathin hidden type multifunctional automatic lifting and lighting device comprises a motor, a double-head winding self-locking wheel, a stroke limiter, a winding gear, a first steel wire, a second steel wire, a gear track, a ball three-connecting sleeve, a bearing platform, a module packaging box, an LED (Light Emitting Diode) lamp and a control system. The ultrathin hidden type multifunctional automatic lifting and lighting device can be hidden in an ultrathin space less than 15 centimeters, the projection angle and the projection direction of a projector can be changed in a lifting process, the attractive appearance is not broken, additionally, a lighting function and a WIFI network wireless control function can be provided, and the function of automatically lifting a clothes hanger is realized by installing a simple matching module. The ultrathin hidden type multifunctional automatic lifting and lighting device can automatically shut down in upper and lower limiting positions of a lifting stroke and can stably shut down at any time in any position within a stroke range. The blank of intelligent lifting equipment of the projector in the field of home decoration is filled, the wireless remote control function based on a WIFI network mode by virtue of cellphone APPs and the LED lighting function advance with times, and market application prospects are broad.
Owner:JILIN UNIV

Device and method for detecting content of protein in tomato leaves by multi-angle in situ spectrum

InactiveCN104502285AAvoid the problem of inaccurate protein content dataChange projection angleColor/spectral properties measurementsElectricityWhiteboard
The invention relates to the technical field of spectrum detection, and particularly relates to a device and a method for detecting the content of protein in tomato leaves by multi-angle in situ spectrum for tomato planting. The device comprises a spectrum probe and a light source, and further comprises an all-dimensional gyroscope and a light insulating device, wherein the all-dimensional gyroscope consists of an arc-shaped suspension plate, a circular ring track plate, an electric-driven roller and landing legs. The method comprises the following steps: (a) preparing for equipment; (b) correcting a spectrum white board; (c) automatically adjusting and sampling an angle of a leaf spectrum; (d), multi-sampling the leaf spectrum; and (e) calculating a physicochemical value. The device is arranged in a tomato planting field, and can obtain spectrum data of the content of the protein in the alive tomato leaves. The tomato leaves can be measured from multiple angles in an all-dimensional manner; the electric-driven roller automatically rotates, and meanwhile, a camera is matched for performing observation monitoring, so that the detection efficiency is high.
Owner:EAST CHINA JIAOTONG UNIVERSITY +2

Peripheral wireless connection projection device

The invention discloses a peripheral wireless connection projection device, relates to the technical field of projection devices, and solves the problems that a projection device in the prior art doesnot have the functions of adjusting the angle and the inclination angle, so that the manual adjustment of the projection device is relatively labor-consuming, the working efficiency is not high, andthe operation is very troublesome. The peripheral wireless connection projection device comprises an inclination angle adjusting device and an angle adjusting device, wherein the inclination angle adjusting device is fixedly connected to one side of a support rod on a base; and the angle adjusting device is movably connected in a mounting groove in the base. A projector of the device is fixed at the top of a support plate, and when the angle and the inclination angle of the projector are adjusted, a person does not need to move the projector for adjustment, but adjusts the projector through the inclination angle adjusting device and the angle adjusting device, the operation is simple and convenient, and the working efficiency is improved.
Owner:CHANGZHOU INST OF TECH

Projection robot

The invention discloses a projection robot which comprises a robot body part and a robot head part which is movably connected with the robot body part. The robot head part comprises a shell, a support, a projection module and a transmission assembly driving the shell to move on the robot body part. The projection module is arranged in the shell and provided with a projection window in the projection direction, and a slideway is further formed in the shell. The transmission assembly comprises a rack rail which is arranged along the slideway and linked with the shell, a motor mounted on the support, and a gear arranged on a shaft head of the motor. The gear is engaged with the rack rail. The first end of the support is located in the shell, and an assembly shaft used for assembling the shellis connected to the first end. The second end of the support penetrates through the robot head part to extend to the robot body part and is fixed to the inner side of the robot body part. The gear rotates under driving of the motor, and the shell is driven through the rack rail to move relative to the support. According to the projection robot, the technical problems that a traditional projectionrobot is simple in structure and fixed in projection angle are solved.
Owner:GOERTEK INC

Device and method for detecting content of glutamic acid of tomato leaves by multi-angle in-situ spectrum

InactiveCN104568772AAvoid the problem of inaccurate glutamic acid content dataAvoid the problem of inaccurate content dataColor/spectral properties measurementsElectricityWhiteboard
The invention relates to the technical field of spectrum detection, and particularly relates to a spectrum device and a method for detecting the content of glutamic acid of tomato leaves in a tomato planting field. The device comprises a spectral probe, a light source, an omnibearing rotator and a light insulation device, wherein the omnibearing rotator comprises an arc suspending plate, an annular rail plate, an electric driving roller and supporting pins. The method comprises the following steps: (a) preparing equipment; (b) correcting a spectral whiteboard; (c) automatically adjusting and sampling the angle of leaf spectrum; (d) sampling multiple spots of the leaf spectrum; and (e) calculating the physical and chemical value. The device is arranged in the tomato planting field so as to acquire the spectral data of the content of glutamic acid of living tomato leaves; the tomato leaves can be detected in an omnibearing manner; and the electric driving roller automatically rotates, and a camera is simultaneously matched for observing and monitoring, so that the detection efficiency is high.
Owner:EAST CHINA JIAOTONG UNIVERSITY +2

Device and method for detecting leaf lignin content of field maize plants

The invention relates to the technical field of spectrum detection, in particular to a device and method for detecting the leaf lignin content of field maize plants. The device comprises a suspension device, an electric drive trolley and a data processing module. The suspension device is composed of a right-angle telescopic arm, a universal joint and a bent cutter suspension arm. The electric drive trolley is composed of a frame, a power device, wheels and a mini-type direct current motor. The data processing module is installed on a vertical rod at the front portion of the frame. The suspension device and the electric drive trolley are connected through a connecting rod. The method for detecting the leaf lignin content includes the steps of (a) device preparation, (b) spectrum white board correction, (c) spectrum collection angle adjustment and (d) physical and chemical value calculation. According to the device and method, field detection is conducted, detection does not need to be conducted in a laboratory, detection efficiency is high, maize leaves can be measured in all directions, the better measurement angle can be acquired according to the natural growth shape of the different maize leaves, spectrum data of the front faces and the back faces of the maize leaves are collected, and the whole device is simple, practical, low in cost and easy to popularize.
Owner:EAST CHINA JIAOTONG UNIVERSITY +1

Apparatus for multi-angle in situ spectrum detection of activity of peroxidase in tomato leaves, and method thereof

The invention relates to the technical field of spectrum detection, and especially relates to a spectrum apparatus for detecting the activity and the content of peroxidase in tomato leaves, in the tomato planting field, and a method thereof. The apparatus comprises a spectrum probe, a light source, an omnibearing gyroscope and a light insulation device, and the omnibearing gyroscope comprises an arc suspension plate, an annular track plate, electric driving rollers and supporting legs. The method comprises the following steps: 1, preparing the apparatus; 2, carrying out spectrum blank correction; 3, carrying out automatic spectral angle adjustment sampling on the leaves; 4, carrying out multi-point sampling on the spectrum of the leaves; and 5, calculating physical and chemical values. The apparatus is arranged in the tomato planting field to obtain the spectrum data of the activity of the peroxidase in the tomato leaves of living plants; the apparatus can measure the tomato leaves in an omnibearing multi-angle manner; and the electric driving roller automatically rotates, and a camera cooperates to observe and monitor, so the detection efficiency is high.
Owner:EAST CHINA JIAOTONG UNIVERSITY +2

Device and method for detecting field corn plant leaf threonine content

The invention relates to the technical field of optical spectrum detection, in particular to a device and a method for detecting field corn plant leaf threonine content. The device comprises a hanging device, an electric drive trolley and a data processing module, the hanging device comprises a right-angle stretching arm, a universal joint and a bent blade hanging arm, the electric drive trolley comprises a frame, a power device, wheels and a miniature direct-current motor, the data processing module is mounted on a vertical column in the front of the frame, and the hanging device is connected with the electric drive trolley through a connecting rod. The detection method includes the steps: (a) preparing equipment; (b) correcting an optical spectrum whiteboard; (c) adjusting an optical spectrum collecting angle; (d) calculating physical and chemical values. The corn plant leaf threonine content is detected on site, detection in a laboratory is omitted, detecting efficiency is high, corn leaves can be all-dimensionally measured, better measuring angles can be obtained according to natural growth forms of different corn leaves, optical spectrum data in the front and at the back of the leaves are acquired, and the whole device is simple, practical, low in cost and easy to popularize.
Owner:EAST CHINA JIAOTONG UNIVERSITY +1

X-ray machine

The invention discloses an X-ray machine. The X-ray machine comprises a first upright column, a liftable X-ray source assembly, a second upright column, a first flat panel detector, a camera bed, a second flat panel detector and a control device, wherein the X-ray source assembly can rotate around a rotary axis perpendicular to the first upright column, the first flat panel detector is arranged atthe second upright column in a liftable mode, and the second flat panel detector and the first upright column can move along the length of the camera bed; and the control device is connected with both the first flat panel detector and the second flat panel detector, and is used for acquiring a tomosynthesis image of a detection target according to detection signals of the first flat panel detector or the second flat panel detector. During standing detection, the X-ray source assembly and the first flat panel detector move reversely and synchronously, and the X-ray source assembly rotates, sothat the projection image of the detection target is obtained through the first flat panel detector; and during horizontal detection, the first upright column and the second flat panel detector move reversely and synchronously, and the X-ray source assembly rotates, so that the projection image of the detection target is obtained through the second flat panel detector. The X-ray machine has high diagnostic accuracy.
Owner:SHINVA MEDICAL INSTR CO LTD

Detecting device and method for chlorophyll content of field maize plant leaves

The invention relates to the technical field of spectrum detection and particularly relates to a detecting device and method for the chlorophyll content of field maize plant leaves. The detecting device comprises a suspension device, an electrically-driven trolley and a data processing module, wherein the suspension device is composed of a right-angled stretching arm, a universal joint and a curved knife suspension arm; the electrically-driven trolley is composed of a frame, a power supply device, wheels and a miniature direct-current motor; the data processing module is arranged on a vertical rod in the front of the frame; and the suspension device is connected with the electrically-driven trolley through a connecting rod. The detecting method comprises the steps of (a) preparing equipment; (b) correcting a white spectroscopic plate; (c) regulating a spectrum acquiring angle; and (d) calculating a rationalized value. According to the detecting device and method, field detection is adopted, laboratory detection is not needed, and therefore, the detection efficiency is high; the maize leaves can be comprehensively detected; the optimal detecting angle can be obtained according to the natural growth habits of different maize leaves; the spectroscopic data of the positive and negative sides of the leaves can be acquired; and the whole device is simple and practical, low in cost and easy to popularize.
Owner:EAST CHINA JIAOTONG UNIVERSITY +1

Circular screen type 360-degree panoramic holographic projection display device

The invention relates to the related technical field of projection display, in particular to a circular screen type 360-degree panoramic holographic projection display device. The device comprise a projection display instrument body. A clamping frame is slidably connected to the surface of a connecting base. A gear sleeve is adhered to the surface of the light guide mirror. Gears are meshed with the surfaces of the gear sleeves. A filter lens is extruded on the surface of the light filtering liquid bag body. A connecting plate is adhered to the surface of the filter lens. The connecting plateis slidably connected to the surface of the threaded rod. The third motor is screwed on the inner wall of the projection mirror. The beneficial effects are that: when processing projected content, a third motor is adjusted counterclockwise to enable the filter lens to be separated from the light filtering liquid bag body, the filter liquid bag body is kept in a lightproof state, and the projectioncontent can be processed at the moment. When the device is used, the third motor is adjusted clockwise, and the filter lens is extruded on the surface of the light filtering liquid bag body, so thatthe light filtering liquid bag body is in a light-transmitting state, the projected definition is improved, the use quality of the holographic projector is further guaranteed, and the holographic projector is suitable for popularization.
Owner:陕西精诚展览装饰有限公司

Device and method for detecting activity of superoxide dismutase of tomato leaves by in-situ spectrum

InactiveCN104568773AAvoid the problem of inaccurate activity dataChange projection angleColor/spectral properties measurementsWhiteboardElectricity
The invention relates to the technical field of spectrum detection, and particularly relates to a spectrum device and a method for detecting the activity content of superoxide dismutase of tomato leaves in a tomato planting field. The device comprises a spectral probe, a light source, an omnibearing rotator and a light insulation device, wherein the omnibearing rotator comprises an arc suspending plate, an annular rail plate, an electric driving roller and supporting pins. The method comprises the following steps: (a) preparing equipment; (b) correcting a spectral whiteboard; (c) automatically adjusting and sampling the angle of leaf spectrum; (d) sampling multiple spots of the leaf spectrum; and (e) calculating the physical and chemical value. The device is arranged in the tomato planting field so as to acquire the spectral data of the activity of living superoxide dismutase of tomato leaves; the tomato leaves can be detected in an omnibearing manner; and the electric driving roller automatically rotates, and a camera is simultaneously matched for observing and monitoring, so that the detection efficiency is high.
Owner:EAST CHINA JIAOTONG UNIVERSITY +2

Detecting device and method for malondialdehyde content of field maize plant leaves

The invention relates to the technical field of spectrum detection and particularly relates to a detecting device and method for the malondialdehyde content of field maize plant leaves. The detecting device comprises a suspension device, an electrically-driven trolley and a data processing module, wherein the suspension device is composed of a right-angled stretching arm, a universal joint and a curved knife suspension arm; the electrically-driven trolley is composed of a frame, a power supply device, wheels and a miniature direct-current motor; the data processing module is arranged on a vertical rod in the front of the frame; and the suspension device is connected with the electrically-driven trolley through a connecting rod. The detecting method comprises the steps of (a) preparing equipment; (b) correcting a white spectroscopic plate; (c) regulating a spectrum acquiring angle; and (d) calculating a rationalized value. According to the detecting device and method, field detection is adopted, laboratory detection is not needed, and therefore, the detection efficiency is high; the maize leaves can be comprehensively detected; the optimal detecting angle can be obtained according to the natural growth habits of different maize leaves; the spectroscopic data of the positive and negative sides of the leaves can be acquired; and the whole device is simple and practical, low in cost and easy to popularize.
Owner:EAST CHINA JIAOTONG UNIVERSITY +1

Method for reducing glare of light supplement lamp of road traffic system

The invention belongs to the technical field of road traffic lighting, and relates to a method for reducing glare of a light supplement lamp of a road traffic system. The method comprises the following steps of: acquiring a structural characteristic parameter value of the road traffic monitoring light supplement lamp and a set shooting distance; substituting obtained known parameters into a constructed anti-dazzle formula of the light supplement lamp, calculating the solutions of unknown parameters, and selecting the ranges of the suitable solutions; according to the selected results including a horizontal forward moving distance Lx, a vertical heightening distance Ly and a light blocking angle theta of the light supplement lamp, adjusting the glare of the light supplement lamp of the road traffic system or adjusting the installation structure of the light supplement lamp. Therefore, the glare of the light supplement lamp can be avoided and reduced, an effective illumination distance can be guaranteed, meanwhile, the glare problem of the light supplement lamp is solved, traffic safety is guaranteed. The method has an important practical value.
Owner:FUDAN UNIV

LED projection lamp with telescopic function

The invention discloses an LED projection lamp with a telescopic function. The LED projection lamp comprises a lamp box, a lamp body regulation and control device is arranged in the lamp box, and a projection lamp shell is connected to the lamp body regulation and control device. A spiral cooling device and a projection lamp body are arranged in the projection lamp shell. The spiral cooling deviceis used for uniformly cooling the projection lamp body. A sealing mechanism is further arranged on the lamp box. The degree of freedom of the projection lamp body can be adjusted through the lamp body regulation and control device, and the flexibility of the projection lamp body is improved; the spiral cooling device arranged in the projection lamp shell can uniformly cool the projection lamp body, and the use effect of the projection lamp is improved; and the projection lamp body can be stored in the lamp box through the lamp body regulation and control device and sealed through the sealingmechanism, external dust is prevented from entering the projection lamp body, loss of the projection lamp body under severe conditions is reduced, the projection lamp body is protected, and collisionand friction of the projection lamp body are prevented.
Owner:TIANJIN TIANXING ELECTRONICS

Flexibly-moved telescopic projection device

The invention discloses a flexibly-moved telescopic projection device. The device comprises a telescopic assembly and a projection assembly connected with the telescopic assembly. The device is characterized in that the telescopic assembly is a multi-layer-structure assembly which is composed of a plurality of telescopic parts in a sequential sleeve and connected mode, the first telescopic part ofthe telescopic assembly is connected with the projection assembly, the free end of the first telescopic part of the telescopic assembly is connected with a sucker, and the free end of the fourth telescopic part of the telescopic assembly is connected with a fixing part. According to the device, the problems that an existing projection device can not be flexibly moved in the using process, the projection height and the projection angle can not be flexibly changed are further solved.
Owner:孝感芸达丰智能科技有限公司

A ring-screen 360° panoramic holographic projection display device

The present invention relates to the technical field related to projection display, and specifically relates to a ring-curtain type 360° panoramic holographic projection display device, which includes a projection display body, a clamping frame slidingly connected to the surface of a connecting seat, and a gear sleeve glued on the surface of a light guide mirror. The surface of the gear sleeve is meshed with gears, the surface of the filter liquid capsule is extruded with a filter, the surface of the filter is glued with a connecting plate, the connecting plate is slidably connected to the surface of the threaded rod, and the third motor is screwed to the inner wall of the projection mirror. The beneficial effect is: when processing the projected content, the third motor is adjusted counterclockwise to separate the filter from the filter liquid capsule, and the filter liquid capsule remains in an opaque state. At this time, the projected content can be processed, and it is adjusted clockwise during use The third motor, the filter lens is squeezed on the surface of the filter liquid capsule, so that the filter liquid capsule presents a light-transmitting state, which improves the definition of projection, thereby ensuring the quality of use of the holographic projector, and is suitable for promotion.
Owner:陕西精诚展览装饰有限公司

A vehicle-mounted projection device, a vehicle, and a projection control method for the vehicle

The invention relates to a vehicle-mounted projection device, which is used for being installed in the interior of a vehicle interior ceiling provided with an installation opening, and includes a flipping component, a rotating component, a projection device and a projection controller. The flipping component includes a flipping shaft and a first motor, and the flipping shaft It is used to transversely penetrate the installation opening, and the two ends of the turning shaft are respectively used for rotatable connection with the interior ceiling on both sides of the installation opening. The first motor is used to drive the turning shaft to rotate; the rotating assembly includes a rotating shaft and a second motor. The motor is fixedly connected with the flipping shaft, and the rotating shaft is rotatably connected with the output shaft of the second motor; the projection device is fixedly connected with the rotating shaft; the projection controller is electrically connected with the first motor and the second motor respectively, and is used to control the operation of the first motor so as to drive the projection device to turn over to the outside of the installation opening, and to control the operation of the second motor to drive the projection device to rotate. The in-vehicle projection device embodying the present invention can have both in-vehicle projection and out-vehicle projection functions.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Household projector convenient for angle adjustment

The invention discloses a household projector convenient for angle adjustment, and relates to the technical field of household projectors, and the household projector comprises an instrument body, a camera is fixedly installed at one side of the front end surface of the instrument body, a plurality of control buttons are fixedly installed at one side of the upper end surface of the instrument body, and the lower end surface of the instrument body is movably connected with a lower placement plate. A lower sucker is fixedly mounted on the lower end surface of the lower plate; a rotating shaft isrotatably connected to the middle of the rear end face of the lower plate, external threads are formed in the annular outer surface of the rotating shaft, a limiting groove is formed in the middle ofthe interior of the lower plate, and a connecting limiting rod is fixedly installed at one side of the middle of the lower end face of the instrument body. According to the projector, the projectionangle of the whole instrument body can be effectively changed, operation and processing of external personnel are facilitated, the camera is shielded by the shielding plate, and the situation that theprojection effect of the whole instrument body is affected due to the fact that external dust enters the camera is avoided.
Owner:芜湖应天光电科技有限责任公司

Angle adjusting device and lamp thereof

The invention discloses an angle adjusting device which comprises a rotating support and a fixed support. The fixed bracket is rotationally connected with the rotating bracket; the rotating support is further provided with two or more first fixing holes, and the first fixing holes are formed in the peripheral direction of the first hinge hole in a surrounding mode. The fixing support is provided with two or more second fixing holes, and the second fixing holes are formed in the peripheral direction of the second hinge hole in a surrounding mode. The pitch of the second fixing holes is larger than that of the first fixing holes, or the pitch of the second fixing holes is smaller than that of the first fixing holes; the rotating support and the fixed support are fixedly connected through the first fixing hole and the second fixing hole. According to the invention, multi-angle adjustment can be realized, and the angle adjustment range is larger; the unit rotation amount is smaller, high-precision angle adjustment is achieved, and meanwhile the strength of the rotating support and the strength of the fixed support are guaranteed. For an illumination lamp, the projection angle of light rays can be changed more finely, and the actual illumination requirements of more different working conditions can be met.
Owner:PAK BV

Mobile projection device with shading function

The invention provides a mobile projection device with a shading function. The mobile projection device with the shading function comprises a projection table, a lifting mechanism, a linkage mechanism, a sliding assembly, moving mechanisms and shading mechanisms, a projector is installed at the top of the projection table through a supporting rod, and the lifting mechanism used for lifting the projection table is installed on the side wall of the projection table; two sets of symmetrically-arranged storage grooves are formed in the bottom of the projection table, the moving mechanisms used fortransferring the projection table are installed in the storage grooves, and the shading mechanisms are installed on the side wall of the projection table. The mobile projection device with the shading function provided by the invention has the advantages that the projector can be moved conveniently, the stability of the projector can be improved to prevent displacement when the projector is used,the rear part of the projector can be shaded, and the projection definition is improved.
Owner:江苏昊视科技发展有限公司

Posture-correction myopia preventing desk for student

InactiveCN107536260ALessen the burden of gravityIncrease heightSchool benchesTablesBase planeFunction table
The present invention provides a posture-correcting anti-myopia desk for students, which can change the spatial position of characters, change the projection angle of sight, eliminate the difference in viewing angle between the strokes of characters, and increase the viewing distance. It consists of desktop parts (1), (2) It is composed of the table leg part (3); the desktop part is a comprehensive desktop composed of a tilting functional desktop (1) and a basic flat desktop (2); the tilting function desktop has an inclination of 40 degrees, which is a functional desktop for students to read and write; tilting The distance between the functional table top (1) and the basic flat table top (2) near the edge of the body depends on the length of the student's forearm. The connection method between the tilting function desktop and the basic flat desktop is a hole bolt structure (4), the purpose is to facilitate the adjustment of the front and rear positions of the tilting functional desktop (1) on the basic flat desktop (2), increase the viewing distance, and be suitable for students to use in various periods . The table leg part (3) forms a fixed connection with the table top part.
Owner:胡建庄

Lifting type 360-degree rotary projector and control method thereof

The invention discloses a lifting type 360-degree rotary projector which comprises a projector, a support plate, a screw rod and a traction mechanism. The screw rod is arranged inside the support plate; the screw rod is in threaded connection with a sleeve; a fixed plate is installed on one side surface of the sleeve; a universal holder is installed at the lower end of the fixed plate; the middle of the top surface of the projector is installed on the bottom surface of the universal holder; a connecting lug is installed at the center of the bottom surface of the projector; a pull rope is installed on the connecting lug; a winding mechanism for tensioning the pull rope is installed at the lower end of the pull rope; the pull rope is sleeved with the traction mechanism; and the screw rod is driven by a driving mechanism. The lifting type 360-degree rotary projector is simple in structure; the sleeve, the fixed plate and the projector can be driven to move up and down by the driving mechanism so as to change the height of the projector; and after the pull rope is pulled towards one side, an inclined pull force is generated between the pull rope and the projector, so that the projector rotates by taking the universal holder as the center to change the projection angle of the projector.
Owner:E RAN TECH

Rotatable LED lamp holder

The invention discloses a rotatable LED lamp holder. The LED lamp holder comprises a first base, a PCB fixing base and LED lamp beads, wherein a wire holder is installed in the middle of the first base, a spring copper sheet is installed at the bottom end of the wire holder, a telescopic rod is arranged at the position, located at the lower end of the spring copper sheet, in the first base, a second connecting plate is arranged at the position, located below the telescopic rod, in the first base, a first connecting plate is arranged on the second connecting plate, a second base is arranged below the first connecting plate, a second rotating block and a first rotating block are arranged below the telescopic rod, and rotating balls are arranged at the positions, located in the first rotatingblock and the second rotating block, of the bottom end of the telescopic rod. According to the rotatable LED lamp holder, the LED lamp holder can rotate through the first connecting plate and can irradiate more places, the spring copper sheet makes contact with an electric conductor so that a wire can be prevented from being wound together when an LED lamp rotates, and the projection angle of theLED lamp can be changed by rotating a ball.
Owner:徐州诚凯知识产权服务有限公司

Ultra-thin hidden multi-function automatic lifting and lighting device

The invention relates to an ultrathin hidden type multifunctional automatic lifting and lighting device, which belongs to intelligent household equipment of the mechanical and electrical field. The ultrathin hidden type multifunctional automatic lifting and lighting device comprises a motor, a double-head winding self-locking wheel, a stroke limiter, a winding gear, a first steel wire, a second steel wire, a gear track, a ball three-connecting sleeve, a bearing platform, a module packaging box, an LED (Light Emitting Diode) lamp and a control system. The ultrathin hidden type multifunctional automatic lifting and lighting device can be hidden in an ultrathin space less than 15 centimeters, the projection angle and the projection direction of a projector can be changed in a lifting process, the attractive appearance is not broken, additionally, a lighting function and a WIFI network wireless control function can be provided, and the function of automatically lifting a clothes hanger is realized by installing a simple matching module. The ultrathin hidden type multifunctional automatic lifting and lighting device can automatically shut down in upper and lower limiting positions of a lifting stroke and can stably shut down at any time in any position within a stroke range. The blank of intelligent lifting equipment of the projector in the field of home decoration is filled, the wireless remote control function based on a WIFI network mode by virtue of cellphone APPs and the LED lighting function advance with times, and market application prospects are broad.
Owner:JILIN UNIV
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