39results about How to "Avoid Defective Defects" patented technology

The invention discloses a light-emitting display back panel, an organic light emitting displayer and a manufacturing method of the light-emitting display back panel and the organic light emitting displayer. The light-emitting display back panel comprises a plurality of organic light emitting displayers formed on an array substrate and pixel definition layers between adjacent organic light emitting displayers. The light-emitting display back panel further comprises a plurality of supporting objects which are formed on the pixel definition layers and used for supporting packaging substrates arranged opposite to the light-emitting display back panel. Each supporting object comprises a supporting part, the cross sections of the supporting parts in the direction perpendicular to a plane where the array substrate is located are in inverted trapezoidal shapes which are trapezoids, the trapezoids are characterized in that the lengths of the upper bottoms of the inverted trapezoidal shapes are larger than the lengths of the lower bottoms of the inverted trapezoidal shapes, and included angles between the lower bottoms and the slant edges are obtuse angles. According to the light-emitting display back panel, the organic light emitting displayer and the manufacturing method, a contact layer and an electrode layer are of a discrete structure, the electrode layer cannot be influenced by deformation when the contact layer is deformed, and the stability and the reliability of the organic light emitting displayer are improved.

The invention discloses a surface roughness measurement system and a surface roughness measurement method. The measurement system comprises a supporting device, an electric device, a laser distance measurement device, a communication device, an inclination angle measurement device and a control processing device, wherein the supporting device is used for supporting the electric device, the laser distance measurement device and the inclination angle measurement device; the electric device is used for driving the laser distance measurement device to uniformly move inthe horizontal direction of the supporting device under the control of the control processing device; the irradiation direction of the laser distance measurement device is vertically downward; the laser distance measurement device is used for measuring the distance to a ground point under the control of the control processing device and feeding the measured value back to the control processing device; the communication device is used for guaranteeing data communication between the laser distance measurement device and the control processing device; the inclination angle measurement device is used for measuring the inclination angle between the supporting device and the horizontal direction, and the control processing device is used for controlling the overall system, controlling the electric device and the laser distance measurement device to work through a transmission instruction, receiving and storing the measured data, and calculating a roughness parameter. The measurement system disclosed by the invention adopts a non-contact method to measure; the measurement direction is vertically downward, and the measurement method is suitable for various complicated and destroyed earth surfaces.

Disclosed is a method for measuring the posture of a non-contact type excavator working device based on the visual measurement. A circular piece with obvious image saddle point characteristics is pasted on the working device to be used as a mark characteristic point, then an industrial camera on a cab machine frame is used for shooting an image of the excavator working device, a saddle point detection method is applied to online detecting all image saddle points, comprising the characteristic piece center points, on the image of the working device in real time, image saddle points of non-characteristic piece center points are filtered out through the distance between characteristic pieces, the inclined angles of components of the working device are obtained through the connecting line inclined angle between the characteristic piece center points, and therefore the posture of the working device is measured. According to the measuring method, the posture of the excavator working device can be dynamically measured, no easily-damaged and precise parts are arranged on the working device, the reliability of measurement and control over an excavator is improved, and the maintenance cost is reduced. The detection result is accurate, the calculation steps are few, the method is simple, the measured dynamic response speed is high, and the real-time performance is good.

The invention relates to a wireless charging battery pack for an electric vehicle, a charging method for the wireless charging battery pack, and the electric vehicle. The wireless charging battery pack for the electric vehicle comprises a battery pack housing, a battery pack formed by connection of single batteries and a wireless charging circuit; the wireless charging circuit comprises a coupling receiving coil, a rectifying voltage-stabilizing module, a singe chip microcomputer module, and a wireless receiving module, a display module and a charging management module connected with the singe chip microcomputer module separately; and the coupling receiving coil is connected with the battery pack through the rectifying voltage-stabilizing module and the charging management module. The charging method comprises the steps that: the wireless charging battery pack is matched with a wireless charging apparatus; the coupling receiving coil close to the wireless charging apparatus generates induced voltage; the induced voltage is subjected to full-wave rectification, voltage reduction and voltage stabilization treatment through the rectifying voltage-stabilizing module to output constant voltage to the charging management module; and the battery pack is charged by the charging management module. Charging lines and connectors are not required by the wireless charging battery pack, so that the shortcomings of high possibility of intertwining and cracking of the charging lines are avoided; and the wireless charging battery pack is convenient to use and high in reliability.

The invention discloses a monocular vision excavator pose measuring system and a measuring method based on a target. The system comprises a target, a monocular camera and a calculation module, the target comprises a bucket target, a bucket rod target and a movable arm target which are installed on the same side of the excavator. The bucket target is fixed to the end, close to the bucket, of the bucket connecting rod. Wherein the bucket rod target is fixed on the bucket rod, the movable arm target is fixed on the movable arm, the visual field of the monocular camera covers the bucket target, the bucket rod target and the movable arm target, and the calculation module is used for calculating spatial six-degree-of-freedom parameters of each target according to target images acquired by the monocular camera. The defects that a measuring sensor and other high-price precision measuring pieces installed on a working device which is large in action, severe in working environment, prone to colliding with a working object and large in vibration amplitude are prone to damage can be effectively overcome. Therefore, the reliability and the stability of monitoring are improved, the operation safety of the excavator is ensured, and meanwhile, the maintenance cost is also reduced.

The invention relates to a bi-directional barb exiting sliding block mechanism which is applied to a mould. The mould comprises an upper fixing plate, a female mould plate and a male mould plate. The bi-directional barb exiting sliding block mechanism comprise an outer sliding block, a wedge and an inner sliding block, wherein the outer sliding block is arranged on the female mould plate; the front end of the outer sliding block extends into a cavity for shaping the outer-side barb of a product; the rear end of the outer sliding block is provided with an inclined T-shaped slot; the upper end of the wedge is arranged on the upper fixing plate; the lower end of the wedge passes through the female mould plate; the side surface of the wedge is fixedly provided with a T-shaped block in a sliding fit with the inclined T-shaped slot of the outer sliding block; when the mould is opened, the T-shaped block drives the outer sliding block to outwards slide to exit the outer-side barb of the product; the inner sliding block is arranged on the male mould plate in a sliding mode; the front end of the inner sliding block extends into a cavity and bends upwards to shape the inner-side barb of the product; the rear end of the inner sliding block is fixedly provided with an inclined guide pillar which is in the opposite direction with the T-shaped slot; the inclined guide pillar is movably penetrated in the inclined guide hole of the female mould plate; and when the mould is opened, the inclined guide hole drives the inner sliding block by the inclined guide pillar to inwards slide to exit the inner-side barb of the product.

The invention relates to a preparation method of a bio-based rigid foam material with a negative Poisson's ratio and a product, and belongs to the technical field of materials. The method comprises the following steps of: firstly, preparing a bio-based rigid foam material through a supercritical fluid foaming technology, and then taking the bio-based rigid foam material as the raw material to prepare the bio-based rigid foam material with a negative Poisson's ratio through a heating-three-dimensional axial compression process. The method is simple and easy to operate, low in equipment requirement, low in cost and suitable for expanded production. The foam material prepared by the method not only is light in weight and degradable, but also has excellent compression, shock resistance and other mechanical properties, and has good application prospects in the fields of aerospace, automobiles, ships, encapsulation and the like.

The invention discloses a twisting mold of flat steel and a flat steel twisting method. The twisting mold of the flat steel comprises a base, a supporting seat I, a supporting seat II and a rotating block, the supporting seat I and the supporting seat II are fixedly arranged on the upper surface of the base in a face-to-face mode, the rotating block is arranged between the supporting seat I and the supporting seat II, and the rotating block is rotatably and movably connected with the supporting seat I; the rotating block is provided with an inserting groove I, the supporting seat II is provided with an inserting groove II, the inserting groove I and the inserting groove II are arranged in a fact-to-face mode, and the shape and the size of the inserting groove I and the inserting groove II are matched with the size and shape of the portion to be clamped of the flat steel to be processed; a rotating and driving unit drives the rotating block to rotate relative to the supporting seat I; a distance which matches with the length of the flat steel is reserved between the rotating block and the supporting seat II. The twisting mold of the flat steel has a simple structure and guarantees the twisting accuracy through the structure of the twisting mold of the flat steel. According to the flat steel twisting method, a mechanical cold working mode is utilized, material damage caused by uneven heating is avoided, meanwhile, the labor intensity of workers is reduced and the processing efficiency is improved.

The invention provides a high-temperature heat insulation pipeline production technology. The technology is characterized in that a plurality of aerogel felts are axially installed along the outer wall of a work tube before an outer protection tube is jointed to make the aerogel felts combined with a polyurethane thermal insulation layer formed through foaming in order to form a heat insulation system of a heat insulation pipeline, and the heat insulation system combines the respective excellent performances of the aerogel felts and the foamed polyurethane thermal insulation layer, can substitute traditional heat insulation materials having an unfavorable heat insulation effect, like cement perlite tiles and glass wool, has an improved temperature tolerance, and also has the characteristics of energy saving, environmental protection, safety, reliability and the like; and additionally two ends of the aerogel felts are abutted surrounding the outer wall of the work tube, abutment lines are formed between the two ends, and the abutment lines of the plurality of aerogel felts are assigned along the axial outer wall of the work tube in an interlace manner, so a defect of the heat insulation performance decrease caused by the rapid loss of heat along the abutment lines distributed along a straight line because one abutment line cracking of the aerogel felts when the abutment lines are positioned in a same straight line is avoided, thereby the pipeline heat insulation performance is guaranteed.

The invention discloses a roof greening frame body and a production method thereof. The roof greening frame body comprises a plate holding frame, a drainage and leakage prevention device and a planting heat-insulating layer, wherein the plate holding frame comprises at least an upper frame and a lower frame, the drainage and leakage prevention device mounted on the plate holding frame is used for draining accumulated water and preventing the accumulated water from leaking on a roof surface, and the planting heat-insulating layer mounted on the drainage and leakage prevention device is used for green planting. The roof greening frame body has the advantages that the accumulated water can be collected and rapidly drained, green planting is facilitated, phenomena such as plant withering are avoided, leakage of the accumulated water on the roof surface can be prevented, damage of leaked water to a roof is avoided, and heat insulation effect of the roof surface is good; soil used by the roof greening frame body is less, and thus, defects caused by overlarge soil layer load of the roof surface can be avoided. In addition, the method for producing the roof greening frame body is simple, convenient, flexible and capable of being applied to greening of various roofs of different types and structures.

The invention relates to a solar cell module on-gauge plate storage device, comprising an external frame body, internal plate frames and roller rows; stainless steel plates cover the top, the bottom, two lateral sides and the back of the external frame body; curtain cloth is suspended at the front side of the external frame body; the stainless steel plates and the curtain cloth form a dark room for solar cell module on-gauge plates; the front side of the external frame body is used as a storage opening for solar cell module on-gauge plates to get in or out; the internal plate frames are horizontally connected to the inside of the external frame body; a plurality of the internal plate frames are parallel to one another; the roller rows are arranged on the external surfaces of the internal plate frames and connected with the external frame body into a whole one; the roller rows are used as the direct support structures for the solar cell module on-gauge plates and are in sliding contact with the solar cell module on-gauge plates. Compared with the prior art, the solar cell module on-gauge plate storage device has the advantages of being simple in structure, convenient in use, high in storage stability and safety of the on-gauge plates, and convenient in picking and placing the on-gauge plates.

The invention discloses a stereo garage achieving traction drive, and belongs to the technical field of stereo garages. The stereo garage comprises a steel structure framework. A lifter framework is mounted in the steel structure framework. A car and a counter-weight are vertically mounted in the lifter framework in a sliding manner. A traction wheel is mounted at the top of the lifter framework.Four lifting steel wire ropes are wound on the traction wheel. Each lifting steel wire rope is correspondingly connected with the counter-weight and the car. Four balance steel wire ropes are arrangedbetween the car and the lifter framework. Two balance pulleys are arranged at each of the four corners of the bottom plane of the car. One end of each lifting steel wire rope is fixed to the top of the lifter framework, and the other end of each lifting steel wire rope is sequentially wound through the balance pulleys at one corner and the other balance pulley located on the same side at anothercorner and then is fixed to the bottom of the lifter framework. The technical problems that the gravity center of the car is not stable, consequently, the traction wheel cannot be used normally, and traction drive cannot be used in the lifting transverse movement stereo garage are solved. The stereo garage is widely applied to stereo garages.

The invention relates to nutrient-rich low temperature pressed sesame oil and a preparation method thereof. The sesame oil is prepared from the following components in parts by weight: 90 to 180 partsof black sesame, 20 to 30 parts of peanut kernel, 15 to 35 parts of walnut kernel, 10 to 20 parts of chestnut, 8 to 16 parts of sunflower seed, 10 to 20 parts of filbert, 5 to 15 parts of ophiopogonjaponicus, 3 to 9 parts of rehmannia glutinosa, 10 to 20 parts of osmanthus fragrans, 15 to 20 parts of nelumbo nucifera, and 10 to 20 parts of lonicera japonica. The preparation method comprises thefollowing steps: weighing the peanut kernel, walnut kernel, chestnut, sunflower seed, filbert, ophiopogon japonicus and rehmannia glutinosa, and preparing to obtain first mixed powder; weighing the osmanthus fragrans, nelumbo nucifera and lonicera japonica, and preparing to obtain second mixed powder; shelling the black sesame, treating the shelled black sesame, and then rolling the shelled blacksesame to be a 0.2 to 0.3mm preform in a crushing roll; isolating filter residue and crude sesame oil; obtaining finished sesame oil. The sesame oil has the advantages of rich nutrition and good effect.

The invention discloses a novel belt anti-deviation control system for a belt conveyer. An infrared transmitting device and an infrared receiving device are arranged at proper positions on upper and lower surfaces of a belt respectively and form a signal source; an output interface of the infrared receiving device is connected with a signal input port of a programmable controller; a signal output port of the programmable controller is connected with a servo motor; an output shaft of the servo motor is connected with an input shaft of a speed reducer; an output shaft of the speed reducer is fixedly connected with one end of a lead screw; and a slide block is connected with the lead screw through a thread on the slide block per se. Meanwhile, the slide block is arranged in a set guide rail and has moving degree of freedom in the guide rail, and the moving direction of the slide block is consistent with an axis of the lead screw.

The invention discloses a digital image acquisition device of an external transmission electron microscope. The digital image acquisition device comprises an external shell and a CCD camera, wherein an opening is formed in at least one side of the external shell; the CCD camera is arranged at an open end of the external shell; the CCD camera converts a photosignal into an electric signal; and the external shell is detachably fixed outside an observation window of the transmission electron microscope. According to the digital image acquisition device of the external transmission electron microscope, the CCD camera is arranged outside the observation window and is arranged outside a transmission electron beam path and a bottom CCD system does not need to be used, so that the defects that the bottom CCD system is bombarded by electrons and easily damaged in the transmission electron beam path in the prior art are avoided. Meanwhile, if the CCD camera is damaged, one external device is replaced, so that the problem that maintenance is troublesome due to the fact that components of the transmission electron microscope need to be dismantled when the CCD camera is replaced in the prior art is solved. Furthermore, the external device disclosed by the invention is suitable for various models of transmission electron microscopes.

The invention relates to bear gall powder drying equipment and a bear gall powder drying method.The bear gall powder drying equipment comprises a sealed container used for containing frozen bear gall liquid and a plurality of air exhaust devices used for separating moisture in the bear gall liquid, and the sealed container is correspondingly provided with a plurality of air exhaust openings used for installing the air exhaust devices; a semi-permeable membrane used for preventing bear gall powder from passing through is arranged on each extraction opening, and the multiple extraction openings are annularly formed in the sealed container so that water vapor sublimated in the sealed container can be sucked in multiple directions, and therefore the semi-permeable membranes can be effectively prevented from being blocked by the bear gall powder. According to the invention, the plurality of cylinders work intermittently, so that the sealed container is always in a vacuum or low-pressure state, the continuity of the sublimation process is ensured, and the situation that bear gall powder particles are adsorbed to the semipermeable membrane to block the semipermeable membrane can be avoided by continuously changing the air suction position.

The invention discloses a card edge connector, comprising an insulating body welded on a mother circuit board; wherein the insulating body is opened with a connecting slot for containing one end of sub circuit board, the insulating body is internally opened with a plurality of first and second row conductive terminal slots respectively containing a plurality of first and second row conductive terminals, the contact parts of the first and second row conductive terminals can be respectively contacted with the two surfaces at one end of the circuit board, the welding parts of the first and second row conductive terminals are all arranged at the rear of the insulating body and welded on the mother circuit board, the other end of the sub circuit board corresponding to one end of the sub circuit board is locked on an external mechanism in parallel, the insulating body is sunk into the mother circuit board, height is reduced, volume of product adopting the card edge connector is reduced, and the structure of the first and second row conductive terminals can avoid the defect that common card edge connector terminal is easy to be damaged.