171results about How to "Simplify manufacturing difficulty" patented technology

The present invention relates to a heat transfer tube with spiral groove, comprising a stainless steel tube body with inward convex spiral groove on surface, wherein the stainless steel tube body possesses unequal height and width in the cross sectional view. In the EGR (Exhaust Gas Recirculation) cooling system for automotive engine, such kind of spiral groove tube with the unequal height and width in the cross-section acting as the heat transfer tube for the cooler make the cooler gain higher heat transfer effect, and it is hard to make dirt deposited inside or outside the tube, which greatly improves the emissions performance for automotive engine, and satisfies higher requirement of environmental protection.

This invented ionic battery pole group includes strip-like negative pole plates, multiple sheet positive pole plates, membranes, ears of positive and the negative poles, in which, the hems at one end of the negative plates are fixed to a lamination state, the positive plates are set at the folded place of the negative and their collectors are fixed together, the lamination is even, a positive pole plate covered by the membrane is set at each folded place, the ear of the negative is fixed on the collector of the negative, the ear of the positive is fixed at the collector of any positive pole plate and the entire group is wrapped by a membrane. This invention also provides a manufacturing method for the pole group, which solves the problem of positioning of the pole plates and their alignment.

The invention relates to a flexible packaging lithium-ion battery module and a connecting method. The flexible packaging lithium-ion battery module comprises a plurality of battery units, each batteryunit comprises a fixed frame, at least two battery cells are parallelly arranged in the fixed frames, post terminal components are connected on the fixed frames in a clamping manner and comprise postterminal supporting parts, positive post terminals and negative post terminals, the positive post terminals and the negative post terminals are parallelly arranged, each battery cell is provided witha positive electrode lug and a negative electrode lug which are symmetrically arranged about the centers of the positive electrode lug and the negative electrode lug, the battery cells are characterized in that the electrode lugs are arranged along two rows, electrode lugs of each line are distributed on two sides of each post terminal, the electrode lugs are parallel to the side surfaces of thepost terminals and electrically connected onto the post terminals, a plurality battery units are laminated, and bus bars are arranged at the tops of the post terminals, used for serially connecting adjacent positive post terminals and negative post terminals and parallelly welded with the top surfaces of the post terminals. Groove hole penetrating or bending of the electrode lugs is omitted in thewelding process of the electrode lugs and the post terminals, an assembly process of the battery module is effectively simplified, bimetal materials of bus bars are omitted, and processing difficultyand cost of the bus bars are reduced.

The invention provides an end face coating fixture for a stripe-geometry semiconductor laser and an application thereof. The end face coating fixture comprises a bar strip coating fixture and an auxiliary strip assembly tool. The bar strip coating fixture comprises a sliding part and a combination frame. The combination frame comprises a u-shaped bottom frame and an upper cross frame. Columns at the two sides of the u-shaped bottom frame are internally and respectively provided with slide channels. The two ends of the sliding part are respectively provided with an inverted T-shaped embedded part. The slide channels are matched with the T-shaped embedded parts. The u-shaped bottom frame and the central part of the sliding part are provided with replaceable bar strip clamping ends. The invention also provides an auxiliary strip assembly tool. The auxiliary strip assembly tool is cooperatively used together with the bar strip coating fixture during the bar strip assembling process. The fixture is modular in design, novel in structure, simple to machine, convenient in assembly and high in nimbleness. For bar strips of different types, the fixture is good in adaptability, strong in practicality, easy to clean and maintain, and long in service life.

The invention discloses an insulated container based on an integral cold storage plate and a cold filling and cold supply method of the insulated container. The insulated container comprises a container body provided with a heat insulation container wall, and a cold storage plate device and a cold filling pipeline system are arranged in the container body. The cold storage plate device comprises at least one cold storage plate. Each cold storage plate comprises a cold storage plate shell and a longitudinal partition plate connected with the cold storage plate shell into a whole. One part is isolated out of the space in each cold storage plate shell by the corresponding longitudinal partition plate to serve as a cold filling channel, and the rest of parts of the space of each cold storage plate shell serve as a cold storage liquid cavity. The cold filling pipeline system comprises a secondary refrigerant inlet pipe, a secondary refrigerant return pipe and a cold filling connector. The cold filling channels of all the cold storage plates are connected between the secondary refrigerant inlet pipe and the secondary refrigerant return pipe. By means of the cold filling and cold supply method, a ground movable or fixed cold filling station is utilized for filling the cold storage plates with cold, cold storage liquid in the cold storage plates stores cold of the maximum quantity, andsource-free refrigerating in the transporting process is achieved.

The invention relates to a large-size full-color OLED (Organic Light-Emitting Diode) display, which comprises a complete color converting base plate and a display module. The large-size full-color OLED display is characterized in that a green color converting film is covered on a green filter plate film; the display module is formed by assembling a plurality of display units; each display unit comprises a transparent base plate, a plurality of OLED luminescent devices and a control loop for driving the OLED luminescent devices to radiate light; the transparent base plates are seamlessly adhered onto a red filter plate film, a green filter plate film, a blue filter plate film, a black matrix grid film and a green color converting film on the color converting base plate through colloidal packing material; and each OLED luminescent device in the display unit has a filter plate film on the color converting base plate corresponding to the OLED luminescent device independently. The large-size full-color OLED display has the advantages of being good in visual effect, high in yield and the like, is capable of being convenient to realize size dimension, and is beneficial for improving the performance price ratio for manufacturing the display.

The invention discloses an improved structure of a cable bridge, comprising two side plates, a bottom plate and a cover plate, wherein the bottom plate and the two side plates are separated; both sides of the bottom plate can be respectively fixed on the bottoms of the two side plates in a detachable mode; the cover plate comprises a first clamping plate and a second clamping plate, wherein one side of the first clamping plate is a convex part and one side of the second clamping plate is a concave gap with an open neck; the convex part can be fixedly clamped in the concave gap; the other sidesof the first clamping plate and the second clamping plate form a trough towards the central direction of the cable bridge; the tops of the two side plates away from the central side of the cable bridge are respectively provided with a groove; and the troughs are fixedly clamped in the grooves. The bottom plate, the two side plates and the cover plate are plastic engineering products which are individually formed, thereby having low making cost, low making difficulty, light integral weight, small volume, convenient transport and effective enhancement of transport efficiency.

The invention relates to the technical field of vehicles, in particular to a locking actuator and a refueling/charging door. The locking actuator includes a housing, a locking member (5) and a lockinglever mechanism. A chamber for receiving the locking member (5) is formed in the housing, one end of the locking lever mechanism extends into the chamber by penetrating through an opening in the housing and is slidably connected to the locking member (5), the locking lever mechanism is configured to be able to move in the first direction by an external force to conserve energy and to be able to release the stored energy to move in the second direction opposite to the first direction after withdrawal of the external force, the locking member (5) is configured to be able to slide relative to the locking lever mechanism to switch between a locked state in which the locking lever mechanism is prevented from releasing energy and an open state in which the locking lever mechanism is allowed torelease energy. The locking actuator can be completely installed on the body seat through the integrated setting, thereby decreasing the manufacturing difficulty and simplifying the installation process of a door panel of the door.

The invention relates to a modeling method and a sand mold structure of a sector-shaped end cover type casting for a large-size mill in the technical field of casting. The sand mold structure comprises a casting pattern, an upper side sand mold and a lower side sand mold, wherein a bottom pouring type pouring system sand mold is pre-arranged on the lower side of the casting pattern, is a sector-shaped sand mold supported on the inner side of the bottom of the sector-shaped end cover type casting pattern, and is internally provided with an inner pouring gate and a plurality of inner sprues which are communicated with the inner pouring gate and are upward vertically arranged; the bottom of the casting patter is vertically provided with a plurality of sprue positioning platforms corresponding to the inner sprues; the sprue positioning platforms are matched with the inner sprues in a guided manner; a plurality of supporting rods are arranged between the bottom outer edge of the casting pattern and a template to support the outer edge of the casting template; and the upper side sand mold is directly arranged on the upper side of the pattern in a sand running manner and is internally provided with a plurality of dead heads. According to the sand mold structure, the manufacturing difficulty of the sand mold can be lowered, the production cost is reduced, the manufacturing efficiency of the sand mold is improved and the production period is shortened.

The invention discloses a high withstand voltage IGBT DC power distribution based electric vehicle charging station. The high withstand voltage IGBT DC power distribution based electric vehicle charging station comprises a high-voltage circuit breaker, a high-voltage power frequency transformer, a high-voltage DC conversion device and a charger. A three-phase high-voltage input voltage is connected with the high-voltage power frequency transformer through the high-voltage circuit breaker; the output end of the high-voltage power frequency transformer is connected with the high-voltage DC conversion device; and the high-voltage DC conversion device converts a three-phase high-voltage input AC power into a DC power and then supplies to DC power to the charger. By adoption of the high withstand voltage IGBT, the high-voltage DC conversion device realizes power factor correction, LLC full bridge inversion and a DC power distribution scheme of converting the three-phase high-voltage input AC power into the DC power and then supplying the DC power to the charger; and without power factor correction, the design of the DC charging module is simplified, the power density of the DC charging module is improved, the reliability of the charger is improved and the cost of the charger is reduced. In addition, the high withstand voltage IGBT DC power distribution based electric vehicle charging station increases the device IP protection level, improves the working reliability of the device in an outdoor malicious environment and prolongs the service life of the device.

The invention discloses a large-opening ring-pull can top cover with a gray scale identification code. The large-opening ring-pull can top cover comprises a cover body and a pull ring, wherein the cover body at least comprises a base material and a photon sensitive ink layer arranged on the inner side of the base material; the photon sensitive ink layer is exposed to form a first gray scale identification code, or after forming the first gray scale identification code, the photon sensitive ink layer is covered by an inner coating layer; the first gray scale identification code is an image formed by the appearance change of part of a photon active material in the photon sensitive ink layer; the surface of the first gray scale identification code is smooth, and has a gray scale difference from the surrounding region; and the first gray scale identification code is arranged on the back surface of the opening region and is located at the central position of the cover body. By the arrangement of the opening region with a relatively large area at the central position of the cover body and the arrangement of the first gray scale identification code with the smooth and attractive surface at the central position in the cover body, the large-opening ring-pull can top cover guarantees the arrangement completeness of the first gray scale identification code on the inner side of the opening region, and the difficulty in manufacturing the ring-pull can top cover is simplified.

The invention relates to a scissor door hinge. A multi-connecting-rod supporting structure is matched with a restraining shaft seat to form a fifth axis, a hinge arm is hinged to the restraining shaft seat through the multi-connecting-rod supporting structure, the five axes share the same point, and the intersection point is located on an opening degree hinge piece, and the fifth rotating axis is arranged on one end, far away from a height shaft seat, of the hinge arm; the hinge arm is supported and the constraining force is increased for the hinge arm, so that the hinge arm is prevented from swinging, the structural stability is improved, a door is prevented from shaking during opening, the movement of the door in three directions is simplified into the cooperative movement of rotation of five rotating axes when the door is opened or closed, and the stability of the door during opening is improved; the scissor door is intelligently and electrically opened and closed, the whole movement process is simple, the influence on the structure of the door is small, the attractiveness and practicability of the scissor door are reserved, the smoothness and stability of door movement are improved, the door hinge is simple in structure, convenient to install and low in manufacturing cost, and mass production and generalization of the hinge are facilitated.

The invention relates to a small two-stroke four-cylinder horizontally-opposed aero-engine compact and simple in structure, high in mechanical strength, wide in environment applicability, small in weight, high in efficiency and reliably, good in manufacturability and high in adaptability. According to the small two-stroke four-cylinder horizontally-opposed aero-engine, the manufacturing and debugging difficulty of an air door control system is simplified, the lubrication condition of a two-stroke engine crankshaft mechanism is effectively improved, and the problem about cooling during runningof a crank connecting rod motion pair is solved. The small two-stroke four-cylinder horizontally-opposed aero-engine meets the aviation high-strength flight requirement through a crankshaft, a connecting rod, a piston, a cylinder and a crankshaft box structure, and continuous cruising running for 10 h can be achieved at the altitude of 3,500 m or above under the work condition of 5,000 r/min.

The invention discloses a novel foldable container and an assembling method thereof. The foldable container comprises a rectangular underframe, hinges, corner columns, top-angle parts and a goods carrying platform, wherein each hinge comprises a fixed portion, a movable portion, a hinge pin and a lock pin, the hinges are fixedly connected to the corners of the underframe, the corner columns are fixedly connected with the movable portions of the hinges, the top-angle parts are arranged on the top of the corner columns, the goods carrying platform is formed by the corner columns and the underframe after the corner columns are folded towards the inside of the container along the hinges, and the distance between the axis of the hinge pin and the top surface of the goods carrying platform is larger than that between the axis of the hinge pin and the end face of the goods carrying platform close to the hinge pin. When the corner columns are vertical completely, the top-angle parts are parallel to the ground completely, and when the corner columns are folded, the end faces of the top-angle parts and the corner columns are not beyond the top surface of short corner columns. According to the novel foldable container and the assembling method, standards about containers are met, assembling difficulty is reduced and assembling quality is improved.

The invention discloses a linear detector packaging structure capable of suppressing stray light and evening light flux and a realization method. The linear detector packaging structure capable of suppressing stray light and evening light flux comprises a stitching-type linear detector, a detector stitching substrate, a detector transition substrate, a cold shield assembly stitched by five filters and a tesseral cold shield part, a radiation shield, a light window assembly stitched by five Z-type sub light windows internally provided with six discrete light through holes for each sub light window, and a long linear dewar bottom plate. Through introducing specific processing, the thirty sub modules of the stitching-type linear infrared detector are corresponding to the thirty slender waist-type light through holes of the tesseral cold shield and the discrete thirty light through holes of the super large light window, light physical isolation and light flux evenness of adjacent sub module detectors can be realized, and the performance evenness of the linear detector and the assembly application stray light suppression ability can be effectively improved. The structure is simple, the operation is convenient, and the maintenance performance is good. Due to the large-size light window assembly manufacturing method of the invention, the optical processing difficulty of the light window can be reduced, and the finished product rate is improved.

The invention discloses a mosque automatic clutch, wherein an active cover of the clutch frame is connected with an axial sheath with a spline hole, the active cover is arranged with at least two eccentric mosque blocks which can radial move on the active disc, the inner arc of each eccentric mosque is arranged with a radial sliding groove at middle, the sliding groove of each mosque is sliding engaged with a pin axle of the active disc, the outer arc of each mosque block is adhered with a friction block between which and the inner wall of the clutch frame a clearance space is arranged, each eccentric mosque is arranged with an arc groove while all grooves are connected to form an annular groove, two ends of a flexible spring are connected to be arranged in the annular groove, the annular groove is shaded by a baffle plate, and a baffle ring clamps a pin axle to axially position the eccentric mosque blocks. The invention can contact the arc face of the friction block completely with the clutch frame when in work, to improve torque and make friction uniform to prolong the service life of friction block.

The invention discloses a detection method of a substance with specific action with a nucleic acid beacon. The detection method comprises the following steps: adding carbon nano-particle solution with different concentration in a nucleic acid beacon solution provided with a certain concentration and annotated with a fluorophore at one end, incubating, measuring the fluorescence intensity at room temperature to obtain a quenching curve, adding target object with different concentration in a plurality of groups of nucleic acid solutions provided with a certain concentration and annotated with fluorophore at one end, incubating, adding the carbon nano-particle solution with a certain volume, incubating, measuring the fluorescence intensity, obtaining a standard curve, and computing the concentration of the target object. The method disclosed by the invention is simple for operation, good in biocompatibility, and can be used for effectively, flexibly and fast detecting the biomolecule in low cost, and the raw material is easily available.