67results about How to "Performance is not affected" patented technology

The utility model provides a pole, a top cover assembly, a battery monomer, a battery and a power utilization device, and relates to the technical field of batteries, the pole comprises at least one first connecting part and at least two second connecting parts, along a second direction, the first connecting part has a third surface; the at least two second connecting parts are used for being connected with the tabs, each second connecting part comprises a main body part and a first flanging part, each first flanging part is connected to one end face, in the second direction, of the corresponding main body part and extends towards the corresponding first connecting part, each first flanging part is connected with the corresponding first connecting part, and each first flanging part is provided with a fourth face in the second direction; and the fourth surface and the third surface are positioned on the same side in the height direction of the post terminal, are positioned on the same plane and form a second surface. Therefore, the processing of the pole is more convenient, and the size of the pole in the width direction can be reduced.

The invention relates to the technical field of batteries, in particular to a battery pole piece, a preparation method of the battery pole piece, a lithium ion battery and an electric vehicle. The battery pole piece comprises a foil and an electrode material layer which are arranged in sequence, the material of the electrode material layer comprises manganese-cobalt-nickel oxide, the chemical general formula of the manganese-cobalt-nickel oxide is MnxCoyNizO, x is equal to 0.2-0.4, y is equal to 0.2-0.4, z is equal to 0.4-0.6, and x + y + z is equal to 1. The invention aims to improve the low-temperature performance of the battery without influencing the performance of the battery in a high-temperature environment.

The application belongs to the technical field of combustion engines, and provides a large-size side exhaust pipe of a turboshaft engine, which comprises: a pipe body having an inlet end and an outlet end; an outlet reinforcing structure arranged at the outlet end region of the pipe body; a support structure arranged inside the pipe body; an anti-abrasion connecting structure arranged at the inlet end of the pipe body; and an internal flow passage of the pipe body is configured to guide the gas input from the inlet end to be discharged laterally at the outlet end, the internal flow passage of the pipe body has a preset expansion cone angle θ2, the flow passage center line of the pipe body is a three-dimensional space curve constructed based on a non-uniform rational B-spline curve, and the ratio of the outer diameter size of the inlet end to the center transverse distance between the inlet end and the outlet end satisfies a preset condition. The core aerodynamic problem of "complex internal flow field organization of a large-size side exhaust pipe, non-uniform outlet flow field and small effective aerodynamic area" in the prior art is solved, and the limit performance of the exhaust pipe is excavated without affecting the performance of the engine.

The utility model relates to the technical field of warp knitting machines, and discloses a defective cloth detection device of a warp knitting machine, which comprises a laser broken yarn monitoring device controlled by a warp knitting machine control cabinet and a light auxiliary device for assisting artificial eye detection, the light auxiliary device comprises a strip-shaped lamp and a lampshade, the strip-shaped lamp is fixedly connected with the lampshade, and the light auxiliary device is connected with the warp knitting machine control cabinet. The lampshade is fixed with the warp knitting machine box body; the lampshade comprises an inclined upper plate, a long-strip-shaped lamp fixing side plate and a horizontal lower plate. The lampshade is of an integrated bent structure. And the inclination angle of the inclined upper plate is 40-60 degrees. The laser broken yarn monitoring device is arranged below the horizontal lower plate and fixed to the warp knitting machine rack. According to the utility model, through combination of automatic laser broken yarn monitoring and artificial eye detection secrecy, the photo-assisted device for assisting artificial eye detection is simple in structure, low in cost and very good in use effect, and the combination of the two can effectively improve the weaving quality, so that the production cost is reduced.

The utility model discloses raw material grinding equipment for carbon black masterbatch production, which comprises a stand column, a lifting assembly and a grinding assembly, the first motor is arranged at the upper end of the stand column, the lead screw is arranged at the output end of the first motor and located in the sliding groove, the two lifting plates are arranged outside the lead screw in a threaded mode and are symmetrically arranged, two sections of reverse threads are arranged on the outer wall of the lead screw, and the opposite outer walls of the lifting plates are attached to the inner wall of the sliding groove; the grinding assembly comprises a second motor arranged on the outer side of the upper side lifting plate. According to the raw material grinding equipment for carbon black master batch production, the two lifting plates are driven to get close to each other through the arranged first motor, then the grinding disc and the grinding box are controlled to get close to each other, the grinding disc and the grinding box which get close to each other grind and extrude raw materials, and therefore the situation that grinding particles are different in size during grinding is prevented; and it is guaranteed that ground powder is fine enough, and the using effect is not affected.

The utility model provides a steel structure bridge body exempts from welding lamp installation support, include: clamping base, lamp installation arm and locking assembly, lamp installation arm and locking assembly are installed respectively in both ends of clamping base, lamp installation arm is used to install the lamp, locking assembly is used for with clamping base detachable fixed on bridge body steel structure, the utility model provides a steel structure bridge body exempts from welding lamp installation support, exempts from welding, detachable installation of lamp through locking structure realizes, and installation is convenient and efficient, can adjust lamp installation position and irradiation angle flexibly, and have good antiskid, anticorrosive performance and cable protection measure, effectively adapt bridge working condition, ensure lamp installation solid and reliable, prolong the life, reduce maintenance cost, the convenience, flexibility and reliability of lamp installation have been improved comprehensively.

The utility model relates to a device that solves the problem of residual material in a cone-type coating machine, especially for fluidized coating machine, belongs to the field of feed additive, medicine, chemical industry, material, food equipment, including sliding mechanism, the sliding mechanism sets up in the coating cylinder wall inside, be provided with the spray gun on the sliding mechanism, the spray gun is under the action of sliding mechanism and slides below the ventilated chassis, to clean the residual material. This structure design can efficiently remove the residual material, and also ensures the product quality on the basis of improving the production efficiency.

This invention discloses a lithium battery thermal runaway early warning device and method based on a capacitance sensor. The thermal runaway early warning device includes a movable electrode plate attached to the upper surface of the top cover of the lithium battery body, which can deform with the deformation of the shell. Two fixed electrode plates are fixedly mounted on the movable electrode plate using a PCB substrate. The two fixed electrode plates and the movable electrode plate respectively constitute capacitance sensors, and the two fixed electrode plates are connected in series to form a capacitor. When the internal pressure of the lithium battery changes, the capacitance value between the two fixed electrode plates changes accordingly. There is a physical correspondence between the change in capacitance and the change in internal pressure of the lithium battery. The charge transfer method can linearly convert the tiny capacitance detected by the two fixed electrode plates into a voltage signal. The early warning method determines the voltage under different pressures as a preset graded voltage alarm threshold, and realizes graded early warning according to the preset graded voltage alarm threshold. This invention can realize non-contact online graded early warning of lithium battery pressure and is convenient for automated assembly production.

The utility model relates to a kind of clean scraper packaging box, discard traditional paper card structure, adopt the accommodation cavity formed by the inward recess of inner box to place clean scraper, bottom protruding support is set in accommodation cavity, the design of both side cover and end protrusion compaction;When user takes out clean scraper, without laboriously extracting complex paper card structure, and set inner box, and can smoothly extract, just open cover to be easily taken out, simple and smooth operation;Similarly, when clean scraper needs to be placed back in packaging box again, it can also be quickly and accurately completed and buckled cover, greatly improve the convenience of use;Traditional packaging mode is difficult to extract and reassemble due to paper card structure, resulting in long time-consuming in packaging process.The packaging box structure of the present application is simple and clear, in production link, workers can quickly place clean scraper in accommodation cavity, and fix through turning cover, without spending a lot of time processing paper card structure, effectively improving production packaging efficiency, reducing labor cost.

This invention belongs to the field of wireless communication technology, specifically relating to a multi-stage spiral antenna using a superconducting terahertz mixer. The invention includes a first spiral antenna, a second spiral antenna, a third spiral antenna, a fourth spiral antenna, and a superconducting Josephson junction terahertz mixer. The first and second spiral antennas have the same number of spiral turns, N, and are symmetrically arranged about the diagonal. The third and fourth spiral antennas have the same number of spiral turns, K, and are symmetrically arranged about the diagonal; K is greater than N. The first and third spiral antennas are connected and each is connected to one end of the superconducting Josephson junction terahertz mixer. The second and fourth spiral antennas are connected and each is connected to the other end of the superconducting Josephson junction terahertz mixer. The superconducting Josephson junction terahertz mixer is located at the center of the multi-stage spiral antenna.

The utility model discloses code detecting and positioning equipment with an adjustable fixing structure, which comprises a code detecting and positioning device, a protective shell is fixedly mounted at the bottom of the code detecting and positioning device, a chuck structure is slidably mounted at the bottom of the protective shell, a binding device is detachably mounted at the bottom of the chuck structure, and the binding device is detachably mounted at the bottom of the protective shell. The utility model relates to the technical field of code detection positioning. According to the code detecting and positioning equipment with the adjustable fixing structure, the purposes that the code detecting and positioning equipment can be conveniently and rapidly disassembled by a worker and can be firmly and conveniently carried in special terrains such as jungles and mountainous regions and in the strenuous exercise process, meanwhile, the code detecting and positioning equipment can be protected against collision and buffering in the special environment, and the service life of the code detecting and positioning equipment is prolonged are achieved.

This invention discloses a flexible perovskite solar cell and its fabrication method, relating to the field of solar cell technology. The fabrication method of a flexible perovskite solar cell includes the following steps: attaching one side of a UV-reducing double-sided adhesive tape to a rigid substrate; attaching the other side of the UV-reducing double-sided adhesive tape to a flexible substrate; performing a first laser scribing on the flexible substrate; fabricating a first charge transport layer, a perovskite layer, and a second charge transport layer on the surface of the substrate after the first laser scribing; performing a second laser scribing on the device; fabricating a metal electrode layer on the surface of the second charge transport layer; performing a third laser scribing on the device to obtain a perovskite solar cell; irradiating the perovskite solar cell with UV light; and separating the flexible substrate and the rigid substrate to obtain the flexible perovskite solar cell. This invention ensures that the flexible and rigid substrates are undamaged during the peeling process, and that no adhesive residue remains after peeling, without affecting the performance and encapsulation of the flexible device.

The application discloses a fluorine oil cleaning method and device for precision electronics, and relates to the field of intelligent cleaning. The method comprises the following steps: collecting target element characteristics to determine target fluorine oil; obtaining first cleaning control data of the target fluorine oil for soaking and cleaning the target precision electronic element; analyzing the first cleaning control data through a soaking and cleaning evaluation model to obtain a first soaking and cleaning cleanliness index as an analog screening constraint; screening historical fluorine oil cleaning records to obtain target historical records; introducing a cleaning fitness function as an optimization evaluation function; and obtaining second cleaning control data from the target historical records as an optimization space to perform ultrasonic cleaning on the target precision electronic element. The method solves the technical problem that the conventional cleaning method for precision electronics cannot completely remove small stains or residues on the surface of precision electronic parts, resulting in poor cleaning effect, and effectively removes dirt on the surface of precision electronics without affecting the performance of the components.

This invention discloses an automatic anti-condensation purging system and method for ultrasonic / radar level gauges. The system includes an anti-vapor protection device and an automatic purging control air supply unit. The protection device is a double-sleeve structure fitted over the probe, forming an annular air duct, with a directional injection hole at its lower end. The control unit includes a solenoid valve and a pressure reducing valve controlled by a time relay. The method involves setting the purging cycle and duration, and the time relay periodically triggering the solenoid valve to open, allowing dry compressed air to be ejected at high speed through the injection hole in the annular air duct, directionally purging the antenna surface. After purging, the valve is closed, and the process is repeated. Preferably, an electric heating and temperature control system is installed inside the annular air duct. This invention achieves timed, directional, uniform, and low-energy purging of the level gauge antenna surface, effectively preventing water vapor condensation and dust adhesion, and significantly improving the measurement accuracy and operational reliability of the instrument in harsh environments.

The application discloses a wireless local area network-oriented accurate congestion feedback mechanism and a feedback device, and the feedback device comprises four parts of a data packet processor, an AP-ACK generator, a Count-Min Sketch storage structure and an acknowledgement packet processor. The application sets the AP-ACK feedback wired link state information on the AP based on a segmented connection scheme, and avoids the adverse effect of the wireless network environment on the sending end congestion control. The simulation platform test result shows that the application can solve the problem of poor transmission performance in the wireless environment caused by the false congestion judgment of the existing TCP congestion control mechanism, effectively improves the bandwidth utilization and the throughput, and ensures the fair channel sharing of different data streams.

This utility model relates to a flanging device for the outer ring of a full complement needle roller bearing. It includes an operating table with a base fixed to the right end of the table panel. The base has a support seat that can be adjusted left and right, and a mounting plate that can be adjusted up and down is located on the left side of the support seat. A pneumatic chuck is mounted on the mounting plate to hold the outer ring of the needle roller bearing. Two rollers, spaced apart, are rotatably mounted on the left end of the operating table panel. The inner side of each roller has a pressing bevel corresponding to the flanging surface of the outer ring of the needle roller bearing. This utility model employs a flanging method where the bearing does not rotate, but the rollers rotate. Therefore, the needle rollers installed in the outer ring of the bearing will not fall out during the flanging process, thereby improving the flanging efficiency and ensuring that the performance of the needle roller bearing is not affected.

The application provides a watch, and relates to the technical field of communication, and the watch comprises a watch body, an antenna arranged on the watch body, and the antenna comprises a conductive radiation part, at least one target position of the radiation part is provided with a slot-shaped area, and the slot inner part of the slot-shaped area is a non-conductive area; wherein, in the case that the antenna works, current flows along the slot-shaped area in the radiation part, and the current directions of the current along the opposite two slot walls of the slot-shaped area are opposite.

The invention relates to a converting-process of forming an open container from laminated raw materials and / or from treated laminated raw materials, particularly from a packaging material comprising at least a fiber based substrate layer [K] having an area weight, determined according to EN ISO 536, within the range of from 25 to 475 g·m-2; and one or more cross-linked polysiloxane layers [N] which have a total area weight, determined according to EN ISO 536, within the range of from 0.1 to 10 g·m-2. Preferably, the packaging material has a total content of polyolefins, preferably of any synthetic organic polymers, of at most 5.0 wt.-%, relative to the total weight of the packaging material. Preferably, the packaging material has a Cobb 600 value determined according to EN ISO 535 of below 0.2 g·m-2, preferably at most 0.1 g·m-2.

The utility model discloses an anti-slip stopper mechanism, and relates to the technical field of continuous casting of ferrous metallurgy. The stopper rod comprises a mounting arm, a stopper rod body and an anti-falling piece, a U-shaped groove is formed in one end of the mounting arm, the stopper rod body is arranged in the U-shaped groove, an annular through opening is formed in one side edge of the U-shaped groove, a T-shaped through opening is formed in the other side edge of the U-shaped groove, the large opening end of the T-shaped through opening faces inwards, the anti-falling piece comprises a sleeve and a screw, one end of the sleeve is arranged in the large opening end of the T-shaped through opening in a clearance mode, and the other end of the sleeve is connected with the screw. The other end of the sleeve penetrates through the annular through opening and is fixedly provided with a nut, the sleeve is movably connected with the T-shaped through opening and the annular through opening, and a screw head is arranged at one end of the screw rod. Through the design that the hole is formed in the U-shaped groove and the anti-falling piece is matched, the outer wall of the sleeve is in contact with the circumferential side face of the stopper rod, anti-falling protection can be conducted on the stopper rod, the purpose of stable production is achieved, production safety is improved, meanwhile, self-assembly and disassembly are convenient and fast, and normal use and replacement of the stopper rod are not affected.

The application provides a hair dryer, which comprises an operating handle, an air inlet cover provided with a plurality of cover holes, an air duct part, an axial flow fan arranged in the air duct part, and a motor. The hair dryer further comprises a support member extending in a longitudinal direction, the support member is connected to the air inlet cover through a first end, and the support member is connected to the operating handle through a second end. A projection of the first end on a rotating surface formed by rotation of the axial flow fan along the longitudinal extension direction of the support member is always located within the outer contour range of the rotating surface of the axial flow fan. The cross-sectional area of the air inlet cover is less than 13300mm 2 . The air inlet cover is provided with a plug-in part. The hair dryer further comprises a first connecting structure, and the first end of the support member is connected to the air inlet cover through the first connecting structure. A normal projection of the first connecting structure on the rotating surface is substantially not coincided with a normal projection of the cover hole on the rotating surface. The hair dryer provided by the application has a compact structure and improves the use feeling of users.

The utility model discloses a hollow rotating shaft part shaping tool which comprises a lower installation base and an upper installation base, a lower die base is arranged on the upper portion of the lower installation base, an upper die base is arranged on the lower portion of the upper installation base, a sliding block is arranged in the lower die base, and a lower shaping cavity is formed in the surface of the sliding block. A lower mold cavity insert is arranged in the lower shaping cavity, an upper shaping cavity is formed in the upper mold base, and the upper shaping cavity corresponds to the lower shaping cavity. After the upper die and the lower die are closed, the sliding block and the shaping cavity are used for extruding the appearance part of a product, the shaping function can be achieved, the product performance is not affected, the deformation control problem of the powder injection molding sintering process is solved, the size correction precision reaches + / -0.02 mm, and the appearance indentation defect caused by traditional shaping is eliminated; and the size springback phenomenon caused by residual stress release after sintering is effectively inhibited.

The utility model discloses a kind of high light efficiency COB packaging structures, including substrate, LED chip and encapsulation adhesive layer;Dam is equipped on the substrate, the LED chip is located in the dam and is electrically connected with the substrate, the encapsulation adhesive layer covers the LED chip;The encapsulation adhesive layer includes first encapsulation adhesive layer and second encapsulation adhesive layer stacked in turn, the first encapsulation adhesive layer is used to seal the LED chip and realizes preset color temperature and / or luminous color, the second encapsulation adhesive layer includes diffused light particle and the second encapsulation adhesive layer is provided with graphical structure in the side away from the substrate. High light efficiency COB packaging structure provided by the utility model can improve luminous efficiency while not affecting color temperature and / or luminous color.

The invention relates to the technical field of couplings, in particular to a wind turbine generator flexible coupling which comprises a driving half coupling, a hexagon nut, a diaphragm and a driven half coupling and further comprises connecting rods, a connecting assembly and a limiting assembly. Connecting assemblies connected with the connecting rods are symmetrically arranged on the driving half-coupling and the driven half-coupling, a plurality of limiting assemblies are connected to the driving half-coupling and the driven half-coupling, and when the speed of the flexible coupling is lower than the set speed, the driving half-coupling and the driven half-coupling are rigidly connected through the connecting rods by the connecting assemblies; when the rotating speed of the flexible coupler is higher than the set speed, the connecting assembly relieves rigid fixation of the driving half coupler and the driven half coupler at the two ends of the connecting rod, at the moment, the connecting rod triggers the limiting assembly to limit rotation of the hexagon nut, and then protection on the diaphragm is achieved when the flexible coupler is just started.

The application discloses a preparation method of water-soluble hydrogen-containing siloxane and application of the water-soluble hydrogen-containing siloxane in the field of cosmetics, and belongs to the technical field of cosmetic raw material preparation and application. The preparation method comprises the following steps: 1) preparation of a catalyst solution; 2) mixing of raw materials; 3) catalytic reaction; and 4) post-treatment and purification. In the application, water-soluble groups such as polyethylene glycol, polypropylene glycol and polyglycerol are used to modify siloxanes with Si-H bonds such as cyclosiloxane and polymethyl hydrogen siloxane, so as to prepare water-soluble hydrogen-containing siloxane. The water-soluble hydrogen-containing siloxane prepared in the application has excellent water solubility, good compatibility with a water phase system of cosmetics, can stably and continuously release hydrogen molecules in a water-based proton solvent, and the hydrogen molecules can effectively reduce high-activity free radicals in skin, reduce damage of the free radicals to skin cells, and realize antioxidant and anti-wrinkle effects. The product prepared in the application has high purity and good safety, raw materials are easy to obtain, the process is easy to industrialize, and the product can be widely applied to various water-based or water-oil compound cosmetics.

The invention provides a high sound pressure test noise elimination device and a noise elimination system for aircraft test. The device comprises a sound insulation test cabin which is used for accommodating equipment to be subjected to high sound pressure test and is communicated with a sound outlet part of acoustic test equipment which generates high sound pressure noise; wherein the sound insulation test cabin is of a closed sound room structure, and the wall body and the roof of the sound insulation test cabin are of sound insulation structures; the exhaust channel is communicated to the interior of the sound insulation test cabin and used for exhausting air in the sound insulation test cabin, and a sound absorption insertion piece is arranged in the exhaust channel. Through the structural design of the sound insulation test cabin and the exhaust channel, the high-strength noise generated in the operation of the acoustic wave traveling wave tube can be effectively reduced, and the influence on the surrounding environment is reduced.

The present application relates to a kind of high flame-retardant, high-strength organic silicon aerogel and its preparation method and application, first by sol-gel method preparation high-strength organic silicon aerogel, this process involves the configuration of organic silicon precursor solution, high-temperature aging and normal pressure drying process.Afterwards, by high-temperature impregnation makes reactive flame retardant and organic silicon aerogel reaction, successfully flame retardant reaction to aerogel surface, finally again carry out washing, drying and other steps, preparation obtains with high flame-retardant, high-strength organic silicon aerogel.Compared with prior art, the present application has the characteristics of simple and easy to operate, low cost, the prepared aerogel has relatively excellent mechanical properties, while overcoming the flammable problem of polymer reinforced organic silicon aerogel, further expands its application space, makes its application in building, wall and other fields become possible.

The utility model is applicable to the technical field of pipeline desilting, and particularly relates to a municipal pipe network pipeline desilting device which comprises a water suction header pipe, and one end of the water suction header pipe is connected with two water suction branch pipes. By arranging the flow monitoring meter, the electromagnetic valve, the filter screen cover, the rotating disc and the push rod, in the working process of the municipal pipe network pipeline dredging device, one water absorption branch pipe works firstly, when the flow monitoring meter detects that the flow becomes small, it is indicated that the filter screen cover is blocked, the electromagnetic valve on the surface of the working pipeline is closed at the moment, and then the water absorption branch pipe works; the electromagnetic valve on the surface of the other water suction branch pipe connected in parallel is opened to make the water suction branch pipe perform replacement work, and meanwhile, the driving motor is started to drive the rotating disc to rotate and enable the pushing rod to continuously impact the surface of the filter screen cover, so that the effect of automatic dredging and cleaning is achieved. Therefore, the municipal pipe network pipeline dredging device provided by the utility model realizes the use effects that the self-cleaning filter screen is arranged, and the sewage suction work is not influenced during maintenance and replacement.

This anti-clogging device belongs to the technical field of submersible pump auxiliary equipment, specifically an anti-clogging device for the inlet of an automatically coupled submersible pump. Its features include a support frame, a filter screen, a connecting pipe, a clamp, connecting bolts, and nuts. The support frame is a cage-like structure with a circular opening at the top. The connecting pipe is welded to the opening, and the connecting pipe connects to the submersible pump inlet through the clamp, connecting bolts, and nuts. A filter screen covers the outside of the support frame. This anti-clogging device for the inlet of an automatically coupled submersible pump can prevent large particles and entangled materials from entering the pump body and causing pump malfunctions without affecting pump performance, thus improving pump lifespan and reducing maintenance frequency.

Turbine engine subassembly (10) for helicopters, comprising a main outlet nozzle (12) for discharging an exhaust gas flow (F1), the main outlet nozzle (12) comprising an outer casing (14) and an inner cone (16) coaxially arranged about a longitudinal axis (X) and connected to each other by radial arms (18), the casing (14) surrounding the cone (16) and defining therebetween an annular passage (C) for the flow of the gas flow (F1). The subassembly comprises a distributor (20) surrounding the casing (14), the distributor (20) being configured so as to receive at its inlet (20a) an airflow (F2) of cooling air at a temperature lower than the temperature of the airflow (F1) and to distribute at its outlet the airflow (F2) inside the radial arm (18). The inner cone has an outer wall (16a, 16b ') in which one or more openings (O) are arranged to allow air injection into the airflow (F1).

The application relates to a force sensing device, a medical instrument, a medical control system and a master-slave medical control system, which comprises a driving component, a force sensing module and an analysis component. The driving component is a flexible driving component. The force sensing module is connected with the driving component and is used for acquiring sensing information related to the force borne by the driving component during medical operation. The analysis component is connected with the force sensing module and is used for collecting the sensing information of the force sensing module and analyzing the force borne by the driving component during the medical operation. The force sensing module can convert the force borne by the driving component at the distal end of the medical instrument into a physical change amount that can be recognized by the analysis component. The force sensing module has simple structure, low cost and is easy to produce and manufacture. The analysis component does not need to be arranged in the body of the medical instrument, so that the force sensing device can generate stable and reliable force feedback effect.