16results about How to "Increase the overlap area" patented technology

The invention relates to the technical field of spring production processes, and discloses a corrugated spring manufacturing process which comprises the following steps: S1, taking a steel wire rod main body with a rectangular section, winding into a corrugated circular ring, and cutting off at a position where the steel wire rod main body is wound for one circle; s2, laser welding is conducted on the cut-off position through optical fiber laser welding equipment, and a blank piece is obtained; s3, the blank is subjected to heat treatment to eliminate internal stress, and a semi-finished product is obtained; s4, the semi-finished product is subjected to surface treatment, and a finished product is obtained.The corrugated ring is directly formed, the corrugated treatment process is omitted while a flat ring is rolled, only stress heat treatment needs to be conducted on the product obtained after wave pressing forming, and the machining time and the production cost are saved; according to the process, the welding seam strength is optimized by optimizing laser welding conditions, oxidation and decarburization of workpieces are reduced by controlling the heat treatment heat preservation time after welding, meanwhile, the deformation stress of the spring is thoroughly eliminated, and the fatigue life and the use performance of the spring are more unified and stable.

The invention discloses a sewage treatment device with a multi-stage filtering function, and relates to the technical field of sewage treatment. The sewage treatment device comprises a filtering cabin, a regulating cabin, a sedimentation cabin, a dosing tank, a detection mechanism and a conveying mechanism. The filtering cabin, the regulating cabin and the sedimentation cabin are arranged in sequence along the conveying direction of the water flow. The dosing tank is tightly connected to the outer wall of the filtering cabin, the dosing tank is communicated with the conveying mechanism, the conveying mechanism is tightly connected to the filtering cabin, the conveying mechanism is used to transport sewage, the detection mechanism is communicated with the conveying mechanism, and the detection mechanism is used to detect the metal ion content in the sewage. The sewage to be treated is first filtered through the filtering cabin to remove solid impurities in the sewage, and then the conveying mechanism conveys the treated sewage to the regulating cabin for chemical precipitation treatment, so that the metal ions in the sewage are converted into insoluble precipitates, and the treated sewage finally flows into the sedimentation cabin for natural sedimentation, thereby removing the metal ions in the sewage.

The invention discloses a display panel and a display device, relates to the technical field of display, and can improve the sawtooth feeling of a display picture of a special-shaped display boundary. The display panel includes: a substrate layer; a pixel unit is arranged on one side of the substrate layer, the pixel unit comprises a first sub-pixel, a second sub-pixel and a third sub-pixel, and one pixel unit corresponds to one virtual rectangle; the area proportion of the light-emitting layer in the virtual rectangle is greater than or equal to 80%; connecting lines of geometric centers of all pixel openings in one pixel unit form a virtual triangle, an included angle between a connecting line of geometric centers of pixel openings of the first sub-pixel and the third sub-pixel and a long side of the virtual rectangle is a first included angle, and the first included angle is the smallest included angle between each side of the virtual triangle and the long side of the virtual rectangle; the second overlapping area and the third overlapping area are smaller than or equal to the first overlapping area; a shape of at least one of the pixel openings of the first sub-pixel, the second sub-pixel, and the third sub-pixel includes at least a partial curvilinear edge.

The invention provides a display panel, a preparation method thereof and a display device. The problem that in the prior art, the yield of display products is low is solved. The display panel comprises a substrate, an isolation structure and a plurality of sub-pixels, the isolation structure is located on one side of the substrate, a plurality of isolation openings are defined by the isolation structure, and the isolation openings comprise first isolation openings; the isolation structure comprises a first part and a second part, the first part is located on the side, close to the substrate, of the second part, and the orthographic projection of the first part on the substrate is located in the orthographic projection range of the second part on the substrate; the first part is provided with a first surface facing the second part and a second surface deviating from the second part; the orthographic projection of the first surface on the substrate is close to the edge line of the first isolation opening and is located outside the orthographic projection of the second surface on the substrate; the sub-pixels are located in the isolation openings.

The invention discloses a low-temperature rectifier, and relates to the technical field of rectifiers, a center layer of the low-temperature rectifier is a high-temperature superconducting tape H3 and a high-temperature superconducting tape H4 which are insulated through a composite board and are symmetrically distributed, a copper layer D2 and a copper layer D3 are symmetrically distributed on the upper side and the lower side of the high-temperature superconducting tape H3, and a copper layer D4 and a copper layer D5 are symmetrically distributed on the upper side and the lower side of the high-temperature superconducting tape H4; a field effect transistor, a first insulating layer, a second insulating layer, a first copper layer, a copper signal layer and a copper-plated blind hole are arranged on one side, far away from the corresponding high-temperature superconducting tape, of any one of the copper layers D2-D5; the two first copper layers at the upper end and the lower end of the high-temperature superconducting tape H3 or the high-temperature superconducting tape H4 are of an integrated structure, and the ends, away from the high-temperature superconducting tape H3, of the two first copper layers are connected with the high-temperature superconducting tape H1 and the high-temperature superconducting tape H2 which are connected with the corresponding field-effect tubes respectively. The problems of low efficiency, high heating, poor universality, low power density and the like of a current low-temperature rectification scheme are solved.

This invention discloses a biomass fuel pellet mill, relating to the technical field of biomass fuel pellet mills. It includes an extrusion chamber and an extrusion assembly. The extrusion chamber houses the extrusion assembly, which includes a telescopic rod. One end of the telescopic rod is connected to a stopper plate, and a stopper pin is sleeved on the outside of the stopper plate. A limit ring is provided on one side of the stopper plate for the stopper pin. In use, this invention allows for pre-compression of the material before the forming process, thereby removing air and ensuring better material adhesion. During extrusion, the material within the forming holes is completely ejected and cleaned, preventing material residue from causing blockages and hindering subsequent forming. If material blocks the channels during the ejection process, the channel size can be immediately adjusted to ensure effective ejection and cleaning. After cleaning, the system automatically resets, without affecting the next forming operation.

This invention belongs to the field of tea-picking machine technology, specifically a handheld tea-picking machine, comprising: a base for support and fixation; a reciprocating frame movably connected to one side of the base for cutting tea leaves; a drive unit fixedly connected inside the base for driving the reciprocating frame to move back and forth; and a clamping unit movably connected to one side of the base for mounting on a person's arm and providing cooling and massage; the clamping unit includes a crossbar. This handheld tea-picking machine has high tea-picking efficiency and good tea-picking effect. The tilt angle of the tea-picking machine can be adjusted according to the height of the person or the height of the tea tree to further meet the tea-picking needs of different tea trees, making it more adaptable and stable. Simultaneously, the tea-picking machine continuously vibrates and transmits the vibration to the pressing sleeve, which elastically squeezes against the person's arm, providing pulse cooling and massage, improving handheld comfort. Furthermore, when the tea-picking machine is disengaged, the elastic pressing of the pressing sleeve against the person's arm further protects the person, improving safety and stability.

The invention discloses a bridge frame that is easy to repair, belonging to the technical field of power equipment; it includes a "U"-shaped shell and a cover plate, the cover plate includes two crossbeams, a left panel, a middle panel and a right panel; the crossbeam is located near the front and rear ends, and the side wall of the shell is provided with a wall groove for the crossbeam to be pressed into; the three panels are arranged in sequence on the crossbeam and are connected by rotating shafts; the left panel is fixedly connected to the crossbeam, and the right panel and the right side end face of the crossbeam are provided with corresponding connection holes, and the two arms of the "concave"-shaped rubber connector are inserted into the connection holes to achieve fixation; the left side surface of the left panel and the right side surface of the right panel are provided with a plug plate that protrudes outward and extends vertically downward at a position located between the two crossbeams, and a slot is provided at the corresponding position of the shell; the slot is composed of a shell side plate, a first slot plate vertically led outward from the shell side plate, and a second slot plate vertically led upward from the outer edge of the first slot plate. The bridge frame disclosed by the invention can quickly repair the inside of the bridge frame, and the operation is convenient and fast, and the safety is high.

The invention provides a display panel, a display device and a manufacturing method of the display panel, the display panel comprises a substrate, a pixel defining layer, an isolation structure and a plurality of sub-pixels, the pixel defining layer and the isolation structure are both arranged on the substrate, the pixel defining layer is provided with a pixel defining part and a first pixel opening defined by the pixel defining part, and the sub-pixels are arranged on the isolation structure. The pixel defining part comprises a first pixel inner wall facing the first pixel opening, the first pixel inner wall comprises a first pixel side wall extending by a first length in the first direction and a second pixel side wall extending by a second length in the second direction, and the first length is larger than the second length; an acute included angle is formed between the first direction and the second direction and is parallel to the substrate; the isolation structure defines a plurality of isolation openings communicated with the corresponding pixel openings; the sub-pixels comprise first sub-pixels, and first electrodes of the first sub-pixels extend on the side walls of the first pixels and are in lap joint with the isolation structures.

The invention belongs to the technical field of dust falling devices, and discloses a dust falling device for wind power concrete electric pole machining, which comprises a supporting main rod and a water delivery port, a plurality of connecting brackets are arranged at the top of the supporting main rod in an annular array, and dust falling assemblies are mounted on the connecting brackets. According to the scheme, airflow blows the blades to deflect, the bottom of the supporting main shaft deflects towards the upwind direction, at the moment, for the dust falling assembly on the windward side, the bottom of the supporting main shaft pushes the valve element rod to move through the double-ball-head rod, and therefore the overlapping area of the through opening and the valve element opening is increased; therefore, the water spraying pressure of the dust falling assembly is increased to overcome the influence caused by airflow; and for the dust falling assembly on the upwind side, the water spraying pressure of the dust falling assembly is reduced, so that the problem that the moisture content of local raw materials is too high due to the fact that downwind airflow is excessively concentrated due to wind power boosting is solved.

The invention discloses sewage treatment equipment with a multi-stage filtering function, and relates to the technical field of sewage treatment.The sewage treatment equipment comprises a filtering cabin, an adjusting cabin, a precipitation cabin, a dosing tank, a detection mechanism and a conveying mechanism, the filtering cabin, the adjusting cabin and the precipitation cabin are sequentially arranged in the water flow conveying direction, and the dosing tank is fixedly connected with the outer wall of the filtering cabin; the dosing tank is communicated with the conveying mechanism, the conveying mechanism is fixedly connected with the filtering cabin and is used for transferring sewage, and the detection mechanism is communicated with the conveying mechanism and is used for detecting the content of metal ions in the sewage; to-be-treated sewage firstly passes through the filtering cabin to be filtered to remove solid impurities in the sewage, then the conveying mechanism conveys the treated sewage into the adjusting cabin to be subjected to chemical precipitation treatment, metal ions in the sewage are converted into insoluble precipitates, and the treated sewage finally flows into the precipitation cabin to be naturally settled. Therefore, metal ions in the sewage are removed.

The application provides a flash memory device and a preparation method thereof. In the preparation method, after forming a trench in a hard mask layer, a sacrificial dielectric layer and a floating gate material layer, an ONO side wall structure is formed on the sidewall and part of the bottom wall of the trench, then the floating gate material layer at the bottom of the trench not covered by the ONO side wall structure is etched, the lower end of the silicon nitride layer in the ONO side wall structure is etched back, a lateral opening is formed above the floating gate material layer, then an isolation dielectric layer is formed to cover the exposed floating gate material layer and the inner wall of the lateral opening, and finally the lateral opening and the trench are filled with source line polysilicon. In this way, the overlapping area of the source line polysilicon and the floating gate is increased, the coupling efficiency of the source line and the floating gate is improved, and the programming efficiency of the flash memory device is improved.

The invention relates to a display panel and a display device. The display panel comprises a substrate, a signal line and a retaining wall structure. In the direction perpendicular to the plane where the substrate is located, the signal lines and the retaining wall structures have overlapping areas in the first area, on the plane where the substrate is located, the orthographic projection area of one overlapping area is larger than a * b, a is the width of the signal lines, and b is the width of the retaining wall structures. According to the display panel, by increasing the overlapping area of the signal lines and the retaining wall structures, the probability that the signal lines are broken when crossing the retaining wall structures is reduced, normal signal transmission is guaranteed, and then the functional reliability of the display panel is improved.

The invention belongs to the technical field of air conditioning systems, and particularly relates to an outdoor vertical circular layered superposition air conditioning system which comprises a shell, air inlets are formed in the two ends of the shell, an upper machine body and a lower machine body are arranged in the shell, and the ends, close to the air inlets, of the machine bodies are fixedly connected with filter screen cylinders; the air adjusting mechanism is used for adjusting the air inlet area and the air inlet amount; the cleaning mechanism is arranged on the outer side of the filter screen cylinder and is used for cleaning impurities on the filter screen cylinder. The air inlet amount can be adjusted by staggering the inner cylinder and the outer cylinder of the air adjusting mechanism, compared with a traditional mode, the situation that the air inlet amount is difficult to adjust due to the fixed air inlet area is reduced, the applicability is improved, the filter screen cylinder can be cleaned under the driving of the air adjusting mechanism through the cleaning mechanism, and the cleaning efficiency is improved. The situation that dust and other impurities are attached to the filter screen cylinder to affect the filtering effect of the filter screen cylinder is reduced, and convenience is improved.

The invention discloses a positioning structure of a logistics transportation skip car, and relates to the technical field of logistics transportation skip cars. Comprising a bottom plate, moving rods are connected to the surfaces of the two sides of the bottom plate through telescopic rods, restraining assemblies for limiting the two sides of goods are arranged above the two moving rods, each restraining assembly comprises a movable block, a sliding groove is formed in the bottom end of each movable block, and two moving blocks are slidably connected to the inner wall of each sliding groove; and a first spring is fixedly connected between the two groups of moving blocks. Through mutual cooperation of the restraining assembly and the positioning assembly, positioning and protection in the cargo loading and transporting process are achieved, meanwhile, through cooperation of a first magnetic block and a second magnetic block, the transverse inertia force generated when the transporting skip car is adjusted in the running posture such as turning and starting and stopping is reduced to a certain degree, and the transporting skip car is more stable. Risks of rollover, displacement or lateral sliding of the goods due to inertia are avoided, and flexibility and adaptability are high.

The application relates to a current equalizing structure, an air supply device and air purification equipment, and relates to the technical field of air purification equipment. The current equalizing structure is applied to a fan, and the current equalizing structure comprises a flow guide plate and a plurality of flow blocking plates. The flow guide plate is arranged at an air outlet of the fan, a plurality of spaced flow guide areas are arranged on the flow guide plate, each flow guide area is provided with a plurality of flow guide holes penetrating through the thickness direction of the flow guide plate, the plurality of flow blocking plates correspond to the plurality of flow guide areas one by one, the flow blocking plate and the corresponding flow guide area are arranged in a laminated mode, and a plurality of flow blocking holes corresponding to the plurality of flow guide holes one by one are arranged on the flow blocking plate. Wherein, each flow blocking plate is configured to independently move relative to the flow guide plate, so as to change the overlapping area of the flow blocking hole and the corresponding flow guide hole, and adjust the air flow through the corresponding flow guide area. The technical scheme disclosed by the application can make the air flow uniformly distributed on the surface of the filter screen.