201results about How to "Position unchanged" patented technology

The invention discloses a camera module and a terminal device, and belongs to the technical field of electronics. The camera module comprises a rotatable reflector, a lens group, a shell and an image sensor; the shell comprises a first surface and a second surface; a first mirror surface of the rotatable reflector is a reflecting surface, and a part of the first mirror surface located in a first reflecting area is a first sub mirror surface; when the rotatable reflector is located at a first position, the first mirror surface reflects a first light signal, an image is generated after the reflected first light signal is transmitted along a straight line where an optical axis is located, when the rotatable reflector is located at a second position, the first mirror surface reflects a second light signal, and an image is generated after the reflected second light signal is transmitted along the straight line where the optical axis is located. According to the camera module provided by the embodiment of the invention, the function of double-channel shooting is realized by using just one rotatable reflector, thereby reducing the number of reflectors, shortening the size and saving the occupied space.

The invention relates to an objective replacement device for a microscope, wherein the sample is located in a sample chamber and surrounded by an immersion medium within the sample chamber, means for positioning and aligning the sample relative to the focus of an objective being present, wherein the detection beam path is aligned horizontally, which is to say perpendicular to the direction of action of gravity. For an objective replacement device for a microscope of the type described above, according to the invention a device is provided for exchanging the objective, at the focus of which the sample is positioned and aligned, with at least another objective, the position and alignment of the sample within the sample chamber remaining the same.

The invention discloses a direct acting electric valve. The direct acting electric valve comprises a valve base having a valve cavity, a motor arranged at the upper end of the valve base, and a lead screw, wherein a rotor of the motor is relatively fixed with the axial position of the valve base; the upper end of the lead screw is fixedly connected with the rotor; the lead screw is connected with a nut in a thread fit manner; the nut is connected with a valve core; the valve core is driven by the nut to axially move to open or close a valve port formed in the valve base; a spring is arranged between the nut and the valve core; the valve core is located in a total closing state; the valve core is tightly sealed with the valve port under the effect of the spring; and the lower end of the nut is bonded with the valve core. Through the design, when the failure of the axial locking force transferred to the nut and the valve core by the motor through the lead screw due to the slippage of transmission threads of the lead screw and the nut caused by vibration or other factors is generated, the valve core can be tightly pressed on the valve port through the elastic force of the spring to prevent leakage.

The present invention relates to the equipment and process for fabricating low-cost precise grating, especially of diffraction grating and various waveguide grating including fiber Bragg grating, andcan generate continuous grating structure and write required fringes directly to fiber or planar waveguide to form Bragg grating, and may be used in fabricating various gratings. Technologically, thepresent invention includes separate frequency shift of two laser beams with equal or near strength, convergence of the laser beams to generate interference fringes, and graving photosensitive medium with the interference fringes while shifting the interference fringers. The present invention can solve the problems of chirp, toe cutting, phase shift and long grating write in grating fabrication.

The invention relates to a circuit board welding clamp which comprises a first support, a first clamping block arranged on the first support, a second clamping block oppositely arranged with the first clamping block, a push-pull rod and a driving mechanism for driving the push-pull rod to carry out linear motion, wherein the first clamping block and the first support form a cylindrical motion pair; one end of the push-pull rod is arranged on the driving mechanism, and the second clamping block is arranged at the other end of the push-pull rod, and the other end of the push-pull rod and the second clamping block form a cylindrical motion pair. The circuit board welding clamp has simple structure and convenient operation, accurately positions a plurality of circuit boards by utilizing the first clamping block and the second clamping block and simultaneously can carry out multi-surface welding. The positions among the plurality of circuit boards can be kept unchanged in the whole welding process, thereby improving the production efficiency and the improving the welding accuracy.

The invention discloses a self-adaptive median filtering denoising method applied to image processing, which comprises the following steps of: firstly preprocessing an image, and then, (1) sorting data in a filtering window by adopting a divide-and-conquer sorting strategy; And (2) adaptively adjusting the size of a filtering window by combining the noise density. The adaptive median filtering denoising method applied to image processing is high in denoising efficiency and easy to implement.

The invention discloses a laser damage testing device for an optical thin film. The laser damage testing device comprises an optical power energy measurement instrument, wherein an aperture, a first lens, an optical attenuator, a sampling beam splitter and a focusing lens are arranged between a laser device and a coated lens to be tested in sequence; the aperture is arranged on the front focal plane of the first lens, and the coated lens to be tested is arranged on the rear focal plane of the focusing lens; and the incident transmission light of the sampling beam splitter enters the focusing lens, and the reflection light enters the optical power energy measurement instrument. According to the laser damage testing device, the infinite microscopic imaging mode is adopted, the uniform radiation on an image plane is obtained, the wide-range adjustable optical attenuation is realized, the needed spot size can be easily obtained, and the test requirement of high-power excimer laser system on film damage is met.

The invention discloses a variable-structure mobile robot capable of making orthogonal bidirectional movement and a control method of the variable-structure mobile robot. The variable-structure mobile robot capable of making orthogonal bidirectional movement comprises a chassis, a separation type variable-position driving mechanism, a variable-position motor, an integral variable-position driving mechanism, a variable-position electric push rod, a driving wheel motor A, a driving wheel motor B, a driving wheel A, a driving wheel B, a follower wheel A, a follower wheel B, a control device and a guiding sensor. The separation type variable-position driving mechanism is installed on the chassis, and the position, relative to the chassis, of the axis of the driving wheel A is changed while the position of the driving wheel motor A is kept unchanged. The integral variable-position driving mechanism is installed on a top cover, and the position, relative to the chassis, of the axis of the driving wheel B is changed by changing the height of the top cover. The axis of the driving wheel A is orthogonal with the driving wheel B, and the lowest position of the axis of the driving wheel A is the same as that of the driving wheel B. Orthogonal bidirectional movement of the mobile robot is achieved by changing the driving wheels making contact with the ground, the movement direction can be freely switched between orthogonal directions in the same plane, and the movement maneuverability and flexibility of the mobile robot are enhanced.

The invention discloses a bi-directional rotary handle which comprises a rotary handle seat 1, a rotary handle 2 and a Hall inductive element 4. The rotary handle is provided with magnetic steel 5; the bi-directional rotary handle is characterized in that a middle rotating component 6 is arranged between the rotary handle seat and the rotary handle; a backward return spring 7 is arranged between the middle rotating component and the rotary handle seat, one end of the backward return spring is connected with a rotary handle 30, and the other end of the backward return spring is connected with a middle rotating component 31; and a forward return spring 8 is arranged between the middle rotating component and the rotary handle, one end of the forward return spring is connected with a middle rotating component 32, and the other end of the forward return spring is connected with the rotary handle. The invention further discloses electric vehicles with the bi-directional rotary handle. By adopting the technical scheme, the electric vehicle can be more conveniently operated and controlled and the comfort level of a cyclist can be enhanced, thus really achieving arbitrary operation and control environment.

The embodiment of the invention discloses an adjusting method in co-optical-center videography and a co-optical-center camera system, relating to a video-processing technology. The adjusting method can finely adjust the shooting direction of a video camera to align visual angle edges of the video camera and adjust the shooting direction of a Sensor while ensuring that the optical center of the video camera keeps a constant position and is easy to adjust and convenient to operate, and the adopted equipment has small size and low system cost. The adjusting method in co-optical-center videography, which is provided by the invention, comprises the following steps of: arranging a homocentric universal joint between an outer shell of a video camera core and a bracket so that the video camera core and the bracket are connected by the homocentric universal joint, wherein the rotating center of the homocentric universal joint coincides with the practical optical center of the video camera core; and adjusting the video camera core by rotating the homocentric universal joint so as to adjust co-optical-center videography. The embodiment of the invention is suitable for co-optical-center videography occasions.

The invention discloses a bottling machine. The bottling machine is characterized by comprising a rotating disc mechanism, a guardrail mechanism, a feeding mechanism, a bottle inlet mechanism and a bottle outlet mechanism. The rotating disc mechanism comprises a rotating disc driven by a motor to do indexing rotation. The rotating disc is provided with a bottle inlet station, a packing station, a spare station and a bottle outlet station. Each station rotation disc comprises a bottle containing cavity used for storing bottles, each bottle containing cavity is of a semi-surrounded shape with an outward opening and is formed by enclosure of an inner plate, a left plate and a right plate, the radial position of the inner plates can be adjusted, and the horizontal positions of the left plate and the right plate can be adjusted. The openings of the bottle containing cavities of the stations except for the bottle inlet station and the bottle outlet station are guarded by a guardrail of the guardrail mechanism, and the radial position of the guardrail can be adjusted. The bottle inlet mechanism corresponds to the bottle inlet station, the feeding mechanism corresponds to the packing station, and the bottle outlet mechanism corresponds to the bottle outlet station. The bottling machine is used for automatic production of bottled products and has the advantages of being suitable for bottles of various sizes and shapes and high in generality.

The invention relates to the field of vehicle engineering, and discloses a suspension valve group, a hydro-pneumatic suspension control system, a hydro-pneumatic suspension control method, and a vehicle. The hydro-pneumatic suspension control system comprises suspension cylinders (2) which are symmetrically arranged, a left accumulator (31) and a right accumulator (32), and an oil feeding pipe (4) and an oil returning pipe (5). The oil cavities of the left accumulator (31) and the right accumulator (32) are respectively communicated with the rod chambers of the suspension cylinders at the opposite sides, and can be selectively communicated with the rodless chambers of the suspension cylinders (21) at the same sides so as to selectively switch a hydro-pneumatic suspension to a rigid or flexible state. The rodless chambers of the suspension cylinders (2) can be selectively communicated with the oil feeding pipe (4) or the oil returning pipe (5). When the hydro-pneumatic suspension is selectively switched to the rigid state, the rod chamber of at least one suspension cylinder (2) can be selectively communicated with the oil returning pipe (5). By adopting the hydro-pneumatic suspension control system and the hydro-pneumatic suspension control method of the invention, lifting operation can be implemented in the rigid state.

The invention discloses a method and device for switching between a two-dimensional map and a three-dimensional map. By responding to the switching request of the two-dimensional map to the three-dimensional map, a vertical downward viewing angle corresponding to the two-dimensional map is converted to a tilt viewing angle, the tilt extent of the viewing angle is gradually increased, meanwhile in the process of changing the viewing angle, each display object in the two-dimensional map starts to increase gradually from the corresponding display position, until each display object is shown as a simulation stereoscopic form of the three-dimensional map. Thus, in the map switching process, the viewing angle of the map is gradually changed, meanwhile each display object in the map grows gradually higher at the original position and gradually transits to the stereoscopic simulation form corresponding to the three-dimensional map, and the gradual transformation process of map manifestation form achieves the natural transition from the two-dimensional map to the three-dimensional map.

The invention discloses a supporting structure of a active fault crossing tunnel and a tunnel lining structure, and relates to the technical field of tunnel engineering. The supporting structure comprises a first support and a second support, the first support comprises a first pipeline arranged in the longitudinal direction of the tunnel and a second pipeline arranged outside the first pipeline in a sleeved, and concrete is filled between the first pipeline and the second pipeline, the second support comprises a plurality of first anchor rods radially arranged in the radial direction of the tunnel, one end of each first anchor rod is fixedly connected with the second pipeline, the other end of each first anchor rod extends to external surrounding rock, and a cavity is preset between the second pipeline and an excavation contour line of the tunnel in the radial direction of the tunnel. The supporting structure of the active fault crossing tunnel and the tunnel lining structure have good fault creep diastrophism damage resistance, and damage to the whole tunnel caused by fault creep can be effectively avoided.

The invention discloses an assembled steel beam overall stability testing concentrated load loading device and method. The method comprises a loading conical screw, a loading plate, square steel tubes, steel strands and loading tanks, wherein two square steel tubes are in mutual lap joint in a cross manner; the loading conical screw is inserted into a lap joint part of the two square steel tubes;threads are formed in the outer wall of the loading conical screw; the square steel tubes are locked by a screw nut screwed on the threads; the loading tanks are hung at four end parts of the square steel tubes through the steel strands respectively; a steel beam to be tested is fixedly connected below the loading plate; an end part of the loading conical screw penetrates through a through hole inthe loading plate and is in contact with the steel beam to be tested. The loading device is convenient in material obtaining, simple and easy to manufacture, high in reusability and high in assembling degree, a series of problems caused by welding in a conventional loading device are avoided, the loading conical screw is convenient to replace and simple to operate, loading directions and positions are not changed, the action area of a load is reduced to the maximum extent, and an ideal state that a concentrated load is loaded to an action point is approximately achieved.

To provide an article support structure used when attaching an article to an adherend with a stretch- releas'able adhesive tape in which components and the like do not fly off when releasing the adhesive tape from the adherend, the double -sided adhesive tape does not tear, and damage to high- sensitivity adherends can be effectively suppressed. An article support structure comprises a base plate which can be removably attached to an article, and a double -sided adhesive tape intervening between the base plate and an adherend, and having a stretchable base material and an adhesive layer. The base plate has a project ion- shaped gripping member, and at least one pair of spacer members disposed on both sides thereof which can form a gap between the surface of the adherend and the bottom surface of the base plate, and is configured so that the position of the gripping member and the position of the spacer members at least partly overlap in the length direction of the double-sided adhesive tape.

The invention provides a vertical coating machine and a vertical coating method, which relate to the technical field of battery manufacturing. A vertical coating machine comprises a frame, a first coating device and a second coating device arranged on the frame; An electric cell to be coated is upright on the frame, and an insulating film is arranged between the bottom surface of the electric cellto be coated and the rack; The first coating device can correspondingly wrap the front and rear sides of the insulating film on the front and rear surfaces of the cell to be coated; and the second coating device can correspondingly wrap the front and rear sides of the insulating film on the front and rear surfaces of the cell to be coated. The second coating device can correspondingly wrap the protruding edges of the front and rear side end portions of the insulating film on the left and right surfaces of the cell to be coated. A vertical coating method is based on the vertical coating machine. The invention solves the problems of low precision of horizontal coating method and the like in the prior art.

The present invention relates to a hydraulic stopper used for a weighting apparatus. The technical solution is as follows: the top ends of pistons (7) of two hydraulic piston cylinders are semi-spheres; two side end planes of a coupler (3) are symmetrically provided with hollow semi-spheres; the semi-spheres at the top ends of the pistons (7) of two hydraulic piston cylinders (2) are respectivelyinserted into the hollow semi-spheres at both sides of the coupler (3), and the two hydraulic piston cylinders (2) are respectively connected with the coupler (3). An oil inlet (9) above a rodless chamber of two hydraulic piston cylinders (2), an oil outlet (13) below the rodless chamber and an orifice (11) at the end of the rodless chamber are correspondingly equipped with an oil feeding stop valve (8), an oil discharging stop valve (12) and an orifice stop valve (10). The discharging ports (14) below the rod chamber of two hydraulic piston cylinders (2) are communicated with atmosphere. Twobag type energy accumulators (1) are respectively connected with the corresponding orifice stop valve (10). The hydraulic stopper of the invention has the characteristics of large buffer capacity, convenient disassembly and assembly, simple maintenance, high reliability and long service lifetime.

The invention relates to an antenna lifting control device and control method. The antenna lifting control device includes a support platform, a lifting arm hinged to the support platform at one end,a lifting arm driving mechanism hinged to the support platform and the lifting arm at the two ends respectively, an antenna hinged to one end, away from the support platform, of the lifting arm, and an antenna driving mechanism hinged to the lifting arm and the antenna at the two ends respectively. According to the antenna lifting control device, the lifting arm driving mechanism extends or contracts to drive the lifting arm to rotate relative to the support platform so as to drive the antenna to rise or fall, the antenna driving mechanism extends or contracts to drive the antenna to rotate relative to the lifting arm, and the direction of rotation of the antenna driven by the antenna driving mechanism is opposite to the direction of rotation of the lifting arm driven by the lifting arm driving mechanism. Thus, the center of gravity of the antenna does not change dramatically in the rising and falling process of the antenna in bad environments, overall shaking caused by dramatic changeand the influence of dramatic change on the life of the antenna or mechanism are avoided, and the rising and falling process of the antenna can be stable, safe and reliable.

The invention provides a box type toilet squatting pan and box room bathroom, which relate to the technical field of temporary buildings. The box type toilet squatting pan comprises a squatting toiletpan body, a water trap and a telescopic pipe. The squatting pan body is installed on the floor of the toilet, the water trap is made of cold-resistant material and installed on the base of the toilet, and the two ends of the telescopic pipe are respectively sealed with the lower end of the squatting toilet body and the upper end of the water trap. The squatting pan alleviates the technical problems that the tightness of the joint between the squatting toilet and the pipe and the water trap in the squatting toilet are easily damaged by freezing when the box room bathroom moves in the prior art.