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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention relates to a signal indicating lamp with an angle adjusting function for a ship, which comprises a steering adjusting mechanism for adjusting the light direction, and an angle adjusting mechanism for adjusting the inclination angle is arranged above the steering adjusting mechanism; according to the signal indicator lamp with the angle adjusting function for the ship, through the arrangement of the steering adjusting mechanism and the angle adjusting mechanism, through mechanical driving, the lamplight transmission direction and the lamplight projection angle of the signal indicator lamp can be adjusted conveniently, use is facilitated according to the actual situation, and the safety of sailing at night can be guaranteed; according to the signal indicating lamp with the angle adjusting function for the ship, the installation mode of a traditional signal indicating lamp is changed through the arranged quick connecting mechanism, the installation convenience of the signal indicating lamp is improved through the design, the safety of high-place operation is also improved, and the signal indicating lamp is convenient to maintain and clean.