45results about How to "Structural Design Implementation" patented technology

The invention discloses a television, and belongs to the field of display equipment. A shell of the television at least comprises a front shell, a rear shell, and a clamping part, wherein an indent first retaining slot is formed on at least one side inner wall of a clamping slot of the front shell; the rear shell is provided with a side edge-fold which is bent and molded towards to the front shell, and an indent second retaining slot is formed on at least one side wall of the side edge-fold; the clamping part is arranged in the clamping slot of the front shell; a clamping space opened towards the back side is formed on the clamping part, the side edge-fold of the rear shell extends into the clamping space; the clamping part is further provided with a first clamping plate which is upward towards the inner wall of the clamping slot and capable of forming the backstop matching with the first retaining slot, and a second clamping plate which is upward towards the clamping space and capable of forming the backstop matching with the second retaining slot. The clamping parts arranged in the plug-in slots of the front shell and the rear shell can respectively form backstop matching with the front shell and the rear shell, thereby preventing a problem that the front shell is broken away from the rear shell; the connection stability between the front shell and the rear shell is improved, and the structure design of boltless connection between the front shell and the rear shell is realized.

The invention discloses an intelligent hub positioning device which comprises a support, an operation platform, a rotary mechanism, a three-jaw chuck and a two-rod air cylinder. The operation platform is arranged on the support and provided with a through hole. The rotary mechanism is connected with the three-jaw chuck. The rotary mechanism drives the three-jaw chuck to rotate. The three-jaw chuck penetrates through the through hole and is arranged above the surface of the operation platform. The two-rod air cylinder comprises a first end and a second end. The first end is provided with a first rod, and the second end is provided with a second rod. The first end is connected with the three-jaw chuck, the first rod drives the three-jaw chuck to clamp and loosen a hub, the second end is provided with a transparent detection window, and the position of the second rod is observed through the transparent detection window. According to the technical scheme, by means of the compact structure, the two-rod air cylinder and the rotary air supply structure, functions of clamping, rotating, positioning, clamping detection and the like are achieved.

The invention discloses a manufacturing method of a multilayer flexible circuit board. The manufacturing method comprises the steps of (1) manufacturing a double-sided FPC flexible board; (2) manufacturing a novel material layer structure; (3) hot-pressing at least one group of novel material layer structures on the circuit on the upper surface and / or the lower surface of the double-sided FPC flexible board, and forming a protective layer on the circuit of the outermost novel material layer structure and / or the exposed circuit of the double-sided FPC flexible board to obtain the multi-layer flexible circuit board. The invention further discloses a multi-layer flexible circuit board manufactured by implementing the method. According to the invention, the manufacturing process is simplifiedand convenient, and the production efficiency is high; the manufactured multi-layer flexible circuit board not only greatly simplifies the novel material layer structure and reduces the overall thickness, but also has the function of transmitting high-frequency signals at a high speed, and is particularly suitable for novel 5G technological products; the protective and resistant effects on the copper ion migration phenomenon during the electrification between the circuits are achieved, and the safe and normal work of the circuits is guaranteed.

The invention provides a backlight module and a display device. The backlight module comprises at least two optical structures, a rubber frame and a fixing part, wherein a positioning convex lug which extends outwards is arranged at the edge positions of the at least two optical structures; the rubber frame is arranged on the peripheries of the at least two optical structures, a positioning notch is formed in the position, corresponding to the positioning convex lug, of the rubber frame, and the positioning convex lug is inserted into the positioning notch; the fixing part is arranged in the positioning notch and used for fixing the positioning convex lug into the positioning notch. The positioning notch is formed in the rubber frame, the positioning convex lug of the optical structures such as an optical film material and a diffuser plate is inserted and fixed into the positioning notch through the fixing part, fixation of the optical film material and the diffuser plate can be achieved without the need of a sheet guide in the fixing mode, the widths of the positioning convex lug on the optical film material and the diffuser plate can be reduced, and therefore the width of the frame of the backlight module is reduced and the structural design of a super-narrow frame is achieved.

The invention discloses a frost heaving damage resistance checking method for a trapezoidal concrete channel during low water level operation in winter. The portion, above the water surface profile in the channel and frozen together with foundation soil, of a concrete side slope plate is regarded as restraint of the portion, below the water surface profile in the channel, of the concrete side slope plate, and the portion, below the water surface profile in the channel, of the concrete side slope plate is regarded as a cantilever structure under water pressure, self-weight and the restraint function of a bottom plate; the bottom plate is regarded as a stressed component under the water pressure and self-weight, the two ends of the bottom plate are restrained by the concrete side slope plate, and the bottom plate is horizontally placed on the foundation soil; the concrete side slope plate and the bottom plate are compared with concrete axial tension strength according to tensile stress generated by the tension bending combination action and tensile stress generated by the pressure bending combination action, and in this way, whether the concrete side slope plate and the bottom plate can resist the frost heaving damage function of the foundation soil of the channel or not is judged. By the adoption of the frost heaving damage resistance checking method to perform frost heaving damage resistance design on a lining layer of the concrete channel under a low water level condition, it can be ensured that the concrete channel has sufficient frost heaving damage resistance, and safe and reliable operation of the concrete channel is guaranteed.

The invention discloses a lifting type charging pile, which comprises an embedded part and a charging pile body. One side of the embedded part has an accommodation cavity, and the other side of the embedded part has an auxiliary cavity. A sliding groove is installed in the accommodation cavity for charging. The pile body is slidably installed in the sliding groove, the lower part of the charging pile body is equipped with a hydraulic cylinder, the auxiliary chamber is equipped with a guide groove, the guide groove is equipped with a filter assembly, the lower part of the auxiliary chamber is equipped with a pump, and the auxiliary chamber is installed. A moving component is provided, and a drain is provided in the accommodating chamber. The present invention realizes the structural design of the hidden charging pile through the cooperation of the embedded parts and the charging pile body. At the same time, the cooperation between the filter assembly and the pump is arranged in the embedded parts, so that the rainwater flowing into the embedded parts can be pumped out, and The mobile component can drive the filter component to move, which is convenient for the maintenance of the mobile component.

The invention provides a demand-oriented geometric feature-driving turbine disc structure interactive design method. The interactive design method comprises following steps of 1, inputting coordinate values of control points of a turbine disc two-dimensional geometrical configuration; 2, establishing a turbine disc axisymmetric finite element model for the turbine disc two-dimensional geometrical configuration; 3, carrying out structural analysis on the established turbine disc axisymmetric finite element model; and 4, in dependence on the design demand, changing the turbine disc two-dimensional geometrical configuration, and automatically displaying the coordinate values of the control points of the turbine disc two-dimensional geometrical configuration, establishing the turbine disc axisymmetric finite element model and carrying out finite element calculation. Through the above steps, the control points of the turbine disc two-dimensional geometrical configuration can be dragged by a mouse, turbine disc weight calculation, stress-strain analysis, fatigue life prediction, meridian plane burst speed calculation and radial burst speed calculation are automatically carried out, the turbine disc structure design efficiency is improved, and the case that during the previous design process, once the scheme is changed, modeling needs to be carried out again manually, and therefore time and manpower are wasted is avoided.

The invention provides a bifocal positioning-free ellipsoid-surface reflector lighting device and belongs to the technical field of optical microscopic lighting. The lighting device includes a fixed plate, an objective lens, an objective-lens adapting part, an ellipsoid-surface reflector and a fixed sleeve, wherein the fixed plate, the objective lens, the objective-lens adapting part, the ellipsoid-surface reflector and the fixed sleeve are coaxially arranged; the fixed plate is installed in the fixed sleeve, the center of the fixed plate is provided with a threaded hole for fixedly connecting the objective-lens adapting part of the objective lens with threads of the threaded hole, and when the objective-lens adapting part rotates in the threaded hole, the objective lens moves on an optical axis to make the focus of the objective lens overlapped with the apofocus of the ellipsoid-surface reflector; the perifocus of the ellipsoid-surface reflector is located on the end face of the ellipsoid-surface reflector and on the end face of the fixed sleeve at the same time; by a specific mechanical structure design, the lighting device avoids the three-dimensional measurement of spaces, and achieves the technical purpose that the ellipsoid-surface reflector does not need positioning.

The invention discloses a tube-connected heat exchanger for a multi-stage U-shaped gas-coupling pulse tube refrigerator and a method for realizing the same. The cold-end heat exchanger comprises a heat exchanger shell, a connecting tube, a conical slit body, a The first through hole, the laminar flow element, the second conical slit body, and the second through hole. Conical slits are cut on the left and right sides of the heat exchanger shell respectively, and the two parts are connected by welding connecting pipes, and the connection of the first-stage regenerator, the second-stage regenerator and the first-stage pulse tube is realized at the same time. The invention maintains the advantages of high-efficiency heat exchange of traditional heat exchangers, and realizes high-efficiency matching between the front and rear stage cooling fingers of the pulse tube refrigerator, suppresses the backflow, mixed flow and turbulent disturbance of the gas working medium in the heat exchange channel, and ensures the uniformity of gas flow. sex. The invention will significantly improve the heat exchange efficiency and overall performance of the pulse tube refrigerator, and has very positive significance in realizing the compactness and practicality of the multi-stage pulse tube refrigerator and obtaining extremely low temperature.

The invention relates to a control method of an ultra-low humidity compound dehumidifier, which comprises the following steps: 1, measuring an inlet air temperature of a first fan through a temperature sensor, controlling the start and stop of a primary refrigeration dehumidification system according to the inlet air temperature, if higher than a set value, starting a first compressor, if lower than the set value, stopping the first compressor; 2, a first temperature and humidity sensor sensing an outlet air dew point of a second air cooling evaporator according to the inlet air temperature and controlling output of a secondary refrigeration dehumidification system, loading a second compressor if the dew point is higher than the set value, deloading the second compressor if the dew point temperature is lower than the set value, keeping the second compressor to stably output if the dew point temperature is equal to the set value, the secondary temperature and humidity sensor sensing the air outlet dew point at a third air cooling compressor humidity of a third air cooling compressor and controlling output of the third cooling and dehumidification system according to the inlet air humidity system, loading the third compressor stable output if the dew temperature is equal to the set value.

The invention provides a lighting device which comprises a lighting unit and a switch part, an installation part and an installation box of the lighting unit. The switch part is arranged in the installation box, the switch part is provided with a first fixed end, a second fixed end, an elastic piece, a connecting piece and a fixed position; the fixed position is arranged on one sides of the first fixed end and the second fixed end, the connecting piece is arranged on one sides of the first fixed end and the second fixed end, one end of the elastic piece is fixedly arranged on the fixed position, and the other end of the elastic piece is fixedly arranged on the connecting piece; the installation part comprises a pair of magnetic parts which comprise a first magnetic part and a second magnetic part, wherein the first magnetic part is arranged outside of the lighting device, and the second magnetic part is fixedly arranged on the connecting piece. According to the lighting device, indoor lighting and wardrobe lighting are achieved, the lighting device is also suitable for lighting of other dark positions with door instructures, the structure design of a magnetic control switch is achieved, the connecting control structure is simplified, the control of the magnetic control switch is easy and convenient, light is provided as long as a door is opened, wait and grope are not needed, and the experience of a user is enhanced greatly.