69results about How to "Good continuity" patented technology

The invention relates to a restoration method of a wetland ecosystem, and aims to improve the biodiversity of a wetland and restore and enhance the ecological function of the wetland through systematic measures. The method comprises the following steps: firstly, evaluating the current condition of the wetland, and identifying specific or endangered species and alien invasive species; secondly, by introducing or protecting specific animal and plant species, the natural habitat is recovered, and the biodiversity of the wetland is improved; thirdly, the water quality and soil conditions of the wetland are improved by adopting technologies such as hydrological regulation and control and vegetation restoration; fourthly, the connectivity of the interiors of the wetlands and surrounding habitats is enhanced, and species migration and gene exchange are promoted. By means of the measures, a damaged wetland ecosystem can be effectively restored, key functions such as water quality purification, flood regulation and carbon storage of the wetland ecosystem can be restored, meanwhile, endangered species are protected, and the ecological value and landscape aesthetics of the wetland are improved.

The invention belongs to the technical field of wastewater treatment, and provides a method for realizing continuous degradation of pollutants under a low dosage based on a self-assembly induced carbon confinement material, which comprises the following steps: adding peracetic acid and a carbon confinement material into wastewater containing organic pollutants, treating the wastewater under a stirring condition, and in the wastewater treatment process, adding the peracetic acid and the carbon confinement material into the wastewater, the carbon confinement material activates peracetic acid to generate hydroxyl free radicals, organic free radicals, singlet oxygen and Co (IV) to degrade organic pollutants in the wastewater; the carbon confinement material is composed of a cobalt material and a nitrogen-doped carbon material coating the cobalt material, the cobalt material is composed of Co and CoO, and the carbon confinement material is nanoparticles with a core-shell structure. According to the invention, the high-efficiency utilization of the oxidizing agent peracetic acid can be realized under the condition of low-carbon confinement material dosage, the continuous degradation of micropollutants can be mediated, and the treatment cost of wastewater containing organic pollutants can be reduced.

The invention relates to the technical field of electric charging and fire-fighting monitoring, in particular to a fire-fighting linkage monitoring system for an electric bicycle charging station and a monitoring method thereof, and the monitoring system comprises the following functional modules: a platform convergence layer, a control analysis layer and a sensing acquisition layer; the system has the advantages that safety is improved, and the risk of fire disasters in the charging process of the electric bicycle is remarkably reduced through a real-time monitoring and quick response mechanism. Once a fire sign is detected, the system can quickly cut off a power supply and start a fire extinguishing program, so that the damage caused by the fire is reduced. Intelligent management: the integrated AI technology enables the fire extinguishing system to intelligently identify and respond to the fire situation, and the management efficiency is improved. And remote monitoring capability: the fire-fighting state of the charging station is allowed to be remotely monitored, and the safety and management efficiency of the charging station are enhanced. And continuous performance optimization: the system has self-learning and updating capabilities, and can continuously optimize fire identification and response strategies.

The invention relates to a gallium nitride transistor based on a polycrystalline silicon field plate and a preparation method thereof, and belongs to the technical field of semiconductor devices. The transistor comprises a substrate, a GaN buffer layer, a GaN channel layer, an AlN insertion layer and an AlGaN barrier layer which are sequentially arranged from bottom to top, a P-GaN cap layer and a first passivation layer are arranged on the upper side of the AlGaN barrier layer, a gate metal field plate is arranged on the upper side of the P-GaN cap layer, a second passivation layer is arranged on the upper sides of the gate metal field plate and the first passivation layer, and the second passivation layer is arranged on the upper side of the second passivation layer. Two sides of the GaN buffer layer are respectively provided with source electrode metal and drain electrode metal, the first passivation layer and the second passivation layer are provided with grooves, the bottoms of the grooves penetrate through the AlGaN barrier layer, and polycrystalline silicon field plates are arranged on the upper side of the source electrode metal, the upper side of the second passivation layer and in the grooves. By introducing the polycrystalline silicon field plate, interface charges are inhibited, and the electrical performance of the device is remarkably improved.

The invention provides punch forming equipment for an automobile air conditioner clutch coil shell and relates to the technical field of automobile air conditioner coil shell punching, the punch forming equipment comprises a punching air cylinder, a feeding structure, a switching structure and a punching workbench, a cushion table is assembled in the center of the top of the punching workbench, and a vertical frame is connected to the back face of the top of the punching workbench in an assembled mode; the feeding structure comprises a stamping bearing seat, an electric push rod and a discharging slide way, and a discharging groove and a strip groove B are machined in the top of the stamping bearing seat; according to the technical key points, a feeding structure is used for carrying a plurality of plates to be machined, a motor on a switching structure is used for controlling a sector gear to rotate, and the sector gear is intermittently connected with two racks to drive a bearing sliding plate at the top of a stamping sliding seat to move back and forth at the bottom of a stamping rod; the feeding structure can obtain a to-be-machined plate at a time to the bottom of the stamping rod to wait for stamping, the to-be-machined plate falls into the discharging groove and is pushed towards one side through the electric push rod, feeding, machining and discharging work can be rapidly carried out conveniently, and equipment does not need to be paused.

The present invention belongs to the technical field of aluminum alloy wires, and specifically relates to a high-conductivity, heat-resistant, high-elongation aluminum alloy wire and its application. The present invention defines the composition as follows: Zr 0.065-0.075%, Er 0.11-0.14%, B 0.032-0.038%, Fe 0.040-0.048%, Si 0.041-0.045%, (V+Ti+Cr+Mn) 0.012-0.018%, and the balance is aluminum. Through the setting of alloy composition, continuous casting and rolling process and intermediate annealing process, the alloy uniformly precipitates heat-resistant dispersed phase particles during the intermediate annealing process, thereby improving the heat resistance of the aluminum alloy. Through differential temperature drawing, the work hardening of aluminum alloy wire rods can be annealed and recovered online in time, reducing the traditional offline annealing process and facilitating the continuity of drawing. Combined with a single deep cold drawing process, the shape of the finished wire is fully corrected and the surface quality is improved. The conductivity, strength and elongation are then adjusted through annealing of the finished product. Finally, through the synergistic effect of the mechanism, the aluminum alloy wire has the characteristics of high conductivity, high elongation and heat resistance.

The utility model discloses a new energy charging adapter, and aims to solve the problems that the number of ports of a conventional adapter is large, the number of wiring harnesses needing to be connected is large, the size and the space of a shell are small, the heat dissipation effect is poor, the adapter is seriously heated as time goes on, and the service life of the adapter is prolonged. And safety accidents caused by fire breakout of the adapter can be avoided. The new energy charging adapter comprises a first charging head and a second charging head, and an insulating box is arranged in the first charging head. According to the utility model, the first auxiliary port and the second auxiliary port are communicated through the connecting piece, and the first conductor, the second conductor and the connecting piece are all made of copper or copper alloy materials, so that the charging stability can be improved, the conductivity is good, and the current transmission is facilitated; and the first electric conductor, the second electric conductor and the connecting piece can reduce wire harnesses in the charging adapter, so that wiring production is facilitated, and miniaturization of the charging adapter is realized.

The invention discloses a submerged piston cooperative drive engine and a power generation and control method. The submerged piston cooperative drive engine comprises an engine supporting mechanism system, a piston cylinder, a gravity box, a submerged piston, a piston motion controller, a piston constant angle control switch, a starting and braking system and the like. After liquid is injected into the piston barrel and the gravity box, the submerging piston does circulating reciprocating motion along the piston barrel under the synergistic effect of liquid buoyancy and self gravity, so that the submerging piston and liquid on the left side and the right side of the center shaft of the engine continuously generate torque difference and gravitational torque difference, and the engine is driven to rotate; and high-quality power is continuously provided for a generator, traffic transportation equipment and industrial equipment. The whole power generation and use process does not need to consume any fossil energy and nuclear materials such as coal, petroleum and natural gas, and does not need unstable natural forces such as wind power, river water, sea waves, tides, terrestrial heat and solar energy. The invention creates a brand-new power system and a creative power generation mode.

The invention relates to a double-side plastic package structure and a manufacturing method thereof, the double-side plastic package structure comprises a first laminated board, an anisotropic conductive adhesive layer and a second laminated board which are laminated, the first laminated board comprises a first element, a first circuit layer, a first base layer and a first plastic package body, the first circuit layer is arranged at one side, facing the anisotropic conductive adhesive layer, of the first base layer, and the second circuit layer is arranged at the other side, facing the anisotropic conductive adhesive layer, of the second plastic package body; the first element is embedded in the first plastic package body and is electrically connected with the first circuit layer; the second laminated board comprises a second element, a second circuit layer, a second base layer and a second plastic package body, the second circuit layer, the second base layer and the second plastic package body are stacked in sequence, the second circuit layer is arranged on the side, facing the anisotropic conductive adhesive layer, of the second base layer, the second element is embedded in the second plastic package body and electrically connected with the second circuit layer, and the anisotropic conductive adhesive layer is bonded between the first circuit layer and the second circuit layer. The first circuit layer and the second circuit layer are electrically connected through the anisotropic conductive adhesive layer. The double-face plastic package structure is high in manufacturing yield and packaging reliability and low in manufacturing cost.

The present application relates to a Bluetooth communication system and a Bluetooth device group. The present specification provides a Bluetooth communication system, comprising a Bluetooth master control device and a Bluetooth device group. The connection between the Bluetooth master control device and the Bluetooth device group complies with the specifications of the Bluetooth low energy audio technology. The Bluetooth device group comprises at least one first member device and one second member device. The Bluetooth master control device can respectively configure the first member device and the second member device in a first mode for returning a sound signal, and connect them using isochronous streaming channel technology. The first member device returns the received sound signal to the Bluetooth master control device, while the second member device does not return the received sound signal. When a trigger event occurs, the first member device can notify the second member device through a third-party member device, so that the first member device and the second member device can perform a subsequent sound reception handover procedure.

The utility model discloses a bridge displacement deformation monitoring device integrated with a large-view-field imaging function. The bridge displacement deformation monitoring device comprises a target unit installed on a bridge and an imaging unit arranged at the far end. The imaging unit comprises a holder, a camera, a servo motor, a switching mechanism and a controller, the switching mechanism is a strip-shaped piece, a narrow-band optical filter and a low-pass cut-off optical filter are installed on the two sides of the strip-shaped piece respectively, and the middle of the strip-shaped piece is installed on a rotating shaft of the servo motor; the camera and the servo motor are electrically connected with the controller; the target unit comprises a plurality of measuring targets and at least one reference target which are arranged at a bridge monitoring part; according to the utility model, while bridge displacement and deformation monitoring is carried out, large-range and large-view-field video imaging can be switched, the camera can be ensured to be in situ before and after switching, the continuity of displacement deformation data measurement is ensured, and the purpose of saving software and hardware and laying cost is achieved.

The utility model belongs to the technical field of electronic circuits, and particularly discloses a power supply grounding monitoring device for a direct current floating power supply system, which comprises a monitoring host and a direct current leakage analyzer, and is characterized in that the monitoring host is provided with a data acquisition module, a processor, an information display module, an alarm output module, a communication unit and a pulse generation module; the processor is respectively connected with the data acquisition module, the information display module, the alarm output module, the communication unit and the pulse generation module, the communication unit is in communication connection with the direct-current leakage analyzer, and the data acquisition module is linked with a power supply loop of the direct-current floating power supply system. According to the utility model, continuous, unmanned and high-efficiency power supply grounding monitoring of the direct-current floating power supply system can be realized, the power supply grounding condition of the direct-current floating power supply system can be accurately reflected, and support is provided for judging the grounding degree and the grounding property.

The utility model discloses a butt-welding terminal structure for an integral brushless motor. The butt-welding terminal structure for the integral brushless motor comprises a long butt-welding terminal structure and a short butt-welding terminal structure. According to the utility model, the long and short butt-welding terminals are matched with different winding and wire passing modes, and the hook structures of the butt-welding terminals are welded with the U-shaped bonding pads of the PCB in an embedded manner, so that the triangular parallel series connection and star parallel series connection modes of all the three-phase six-slot stator windings are realized, and the output of the motor is realized by using the tail ends of the long butt-welding terminals. Then, in consideration of the short creepage distance between the conductive part and the metal casing and the iron cover, the plastic sheath is specially designed to ensure the insulation performance. The four waist-shaped and circular vent holes on the PCB, the plastic sheath and the iron cover are matched with the groove shape of the stator lamination, so that the smoothness of the air channel in the motor is ensured.

This application relates to the field of solar cells, and particularly to a solar cell and photovoltaic module. The solar cell includes: a substrate; a tunneling dielectric layer and a doped conductive layer located on the surface of the substrate, the tunneling dielectric layer being located between the doped conductive layer and the substrate, the doped conductive layer containing a dopant element, the dopant element being N-type or P-type, the doped conductive layer having a plurality of spaced-apart first heavily doped regions extending along a first direction, the doping concentration in the first heavily doped regions being greater than the doping concentration in the doped conductive layer excluding the first heavily doped regions; a passivation layer located on the surface of the doped conductive layer away from the substrate; and a plurality of spaced-apart electrodes extending along a second direction, the electrodes penetrating the passivation layer and contacting the doped conductive layer, with at least two first heavily doped regions contacting the same electrode. This application embodiment is beneficial for improving the photoelectric conversion efficiency of passivated contact solar cells.

The utility model discloses a vaccine adjuvant filtering device belongs to vaccine adjuvant production technical field, include: filter box and install cover, the material guide frame is set up in the installation cover bottom, the installation cover sets up on the filter box upper end, the material guide frame is round table state setting, the material guide frame bottom is equipped with the mounting sleeve, the utility model discloses, can when vaccine adjuvant enters the device, the rotation feed plate makes liquid produce circumferential diffusion through centrifugal force effect, and the flexible shower nozzle breaks the fluid unidirectionality in the multidirectional injection mode, and the spiral material guide plate is used for three -dimensional space regulation and control to adjuvant flow, finally realizes the spiral even distribution of adjuvant in the filter cavity, makes adjuvant no longer concentrated impact filter screen local area, but forms the stable flow field that covers entire filter screen effective area, has prolonged the filter material life, has guaranteed the persistence stability of filtration efficiency, makes the practicality of vaccine adjuvant filtering device use better.

A photosensitive polyimide layer addition process for an ultra-thin rigid-flexible board, comprising the following steps: selecting a rigid metal plate as a substrate, and making openings in the rigid plate area; laminating a first insulating photosensitive PI layer on both sides of the metal plate; exposing, developing, and curing the first insulating photosensitive PI layer; making through holes, hole filling, and additional circuit plating; laminating a second insulating photosensitive PI layer on the back of the circuit board after plating; exposing, developing, and curing the second insulating photosensitive PI layer laminated in step 6); performing hole filling and additional circuit plating; etching to remove the metal plate in the flexible board connecting band area; and silk-screening to obtain an ultra-thin rigid-flexible board. The process of the present invention is simple and easy to process. The prepared rigid-flexible board has the characteristics of thinner thickness, smaller size, less deformation, and high wiring integration. At the same time, the production efficiency is high and the cost is low.

This invention discloses a bio-fermentation tank system for the harmless treatment of livestock and poultry manure and its usage method, belonging to the field of manure bio-fermentation treatment technology. The system includes an inclined and rotatable fermentation tank, an openable and closable cover, and supporting components. An installation plate with microbial filler holes is embedded inside the tank, with the holes pre-filled with adsorption substrate to fix the microbial community. A rotatable turbulence component is provided, which pushes the manure into the cutting chamber, where it is squeezed and segmented before flowing back to the main chamber, achieving cyclic treatment. The system is equipped with an independent gas control structure, supporting switching between aerobic and anaerobic fermentation modes. Through the synergistic effect of tank rotation and internal turbulence, thorough mixing of manure, mechanical cutting, and slow-release contact with the microbial community are achieved, significantly improving degradation efficiency and harmless treatment effect. This invention solves the problems of uneven mixing, low microbial activity, poor solid-liquid separation, and incomplete resource conversion in traditional processes, and is suitable for the efficient, harmless, and resource-based treatment of large-scale manure.

The utility model provides an electrocardiosignal collecting device which comprises a dry electrode, a plurality of dry electrode contact pieces are connected to one face of the dry electrode, sponge layers are arranged on the dry electrode contact pieces in a sleeved mode, and conducting media are fully absorbed in the sponge layers. The dry electrode is simple in structure and convenient to operate, the conductive medium is extruded and output to the dry electrode to moisturize the dry electrode in the time period when the dry electrode collects the electrocardiosignals, the conduction effect of the dry electrode and the skin layer is good, the stability of the dry electrode in collecting the electrocardiosignals is improved, and the duration of the dry electrode in collecting the electrocardiosignals is prolonged.

The application provides a battery, a battery pack and an electric device, and the battery comprises a negative electrode sheet, the negative electrode sheet comprises a solid-state electrolyte interface layer, the solid-state electrolyte interface layer comprises a fluorinated salt and a carbonate salt; the solid-state electrolyte interface layer satisfies 50% <= a1 <= 85%, 40% <= b1 <= 70%, and the application can simultaneously reduce the battery impedance and maintain the cycle stability.

The present invention relates to the technical field of computer software, and discloses an offline software license encryption and decryption method and system based on limited random encryption. By configuring a key matrix and an encryption and decryption matrix, using a generated license encryption configuration table built into a target encryption server and a license decryption configuration table built into a target verification software, the software license information encryption and distribution performed on the server side and the software license information decryption and verification performed periodically on the verification software side are realized. Thus, by expanding the traditional symmetric encryption into a symmetric encryption matrix to form an encryption cluster, when verifying the license information on the licensed software side, a two-dimensional random path planning method is used to perform a small-proportion random basic license unit list decryption of the license and information verification within a limited area, thereby increasing a certain degree of randomness while ensuring the efficiency of decryption and verification, and significantly increasing the difficulty of cracking the license.

The invention belongs to the technical field of radiotherapy medical treatment, and discloses a tumor radiotherapy positioning device, which comprises a limb positioning top cover and a limb positioning bottom cover, and is characterized in that a limb positioning cover is arranged between the limb positioning top cover and the limb positioning bottom cover through a clamping plate in a buckling manner; according to the invention, when the swing arm swings, alternate exhaust of the two exhaust pistons is realized, so that the softened positioning thermoplastic film is wrapped and attached to the tumor radiotherapy limb, and the tumor radiotherapy limb can be positioned by the positioning thermoplastic film. According to the limb positioning top cover, pressurization continuity and stability in the limb positioning top cover are achieved, in the swinging process, abutting rolling is achieved when the positioning thermoplastic film is softened to wrap the limb, therefore, the fitting degree of the positioning thermoplastic film to limb wrapping positioning is guaranteed, and by means of the protection pressure discharging assembly, the situation that the limb positioning is uncomfortable due to the fact that the wrapping pressure of the positioning thermoplastic film is too large is avoided.

The present invention provides a metal halide fish attracting lamp with a reflective device, comprising a lamp holder suspended on a gantry line of a fishing boat deck and a metal halide lamp in the shape of a cylindrical rod mounted at the bottom of the lamp holder and pointing vertically downward; a top reflector is arranged circumferentially on the lamp holder, and a side reflector in the shape of a circular arc plate in horizontal section is arranged at the bottom of the lamp holder, the side reflector is used to shield the side of the metal halide lamp facing away from the ocean surface and reflect the light on this side; the minimum distance between the metal halide lamp and the side reflective surface of the side reflector in the horizontal section is less than the curved surface radius of the side reflective surface of the circular arc side reflector. The shape and position of the side reflector make the reflected light more dispersed, so that the light beam emitted by the fish attracting lamp has a certain directionality and also has a larger illumination range, which can cover a larger sea surface area. When the fishing boat is bumpy or the fish attracting lamp swings, the illumination range formed on the sea surface has better continuity, which is convenient for fish tracking and has a better fish attracting effect.

The invention provides a jet printing method for preparing a sensitive layer and an insulating layer of a tungsten-rhenium ultra-high-temperature radiation temperature sensor, which comprises the following steps of: pre-treating anode and cathode aluminum oxide substrates, sequentially jet-printing anode and cathode sensitive layers on the anode and cathode aluminum oxide substrates through an electrofluid jet printing platform, and sintering to form anode and cathode sensitive core bodies. The invention further provides a tungsten-rhenium ultrahigh-temperature radiation temperature sensor and a preparation method thereof on the basis, and the tungsten-rhenium ultrahigh-temperature radiation temperature sensor comprises a negative electrode sensitive core body, an insulating layer and a positive electrode sensitive core body from bottom to top, the negative electrode sensitive core body comprises a tungsten / rhenium 26 sensitive layer, a negative electrode aluminum oxide substrate, a tungsten / rhenium 26 lead and a negative electrode aluminum oxide wafer from bottom to top; the positive electrode sensitive core body comprises a tungsten sensitive layer, a positive electrode alumina substrate, a tungsten lead and a positive electrode alumina wafer from top to bottom. The temperature measurement range of the sensor reaches 400 DEG C to 3000 DEG C which is far higher than the limiting temperature of a traditional sensor, and the requirements of extreme environments such as spaceflight and metallurgy are met.

The utility model discloses a double-station automatic carving machine, which belongs to the technical field of wheel hub carving and comprises a roller conveying line, the roller conveying line is used for conveying wheel hubs, and a first station and a second station are arranged on the roller conveying line; the positioning device is used for clamping and positioning the hub; the transverse moving module drives the positioning device to do reciprocating motion between a first station and a second station; and the carving device corresponds to the position of the second station, the carving device comprises a carving module, a carving head located on the carving module and a carving needle located on the carving head, and the carving needle conducts carving on the hub located on the second station. According to the utility model, the carving efficiency of the wheel hub is improved, the connection between the positioning and clamping operation and the carving operation of the wheel hub is more continuous and stable, and the carving efficiency of the wheel hub is improved while the carving effect is ensured.

The invention belongs to the technical field of sponge product production, and particularly relates to a far infrared reinforced medium cotton production technology and production equipment thereof.The far infrared reinforced medium cotton production equipment comprises a tank body and a tank cover, the bottom of the tank body is in a stepped cone shape, the detachable tank cover is arranged on the upper end face of the tank body, and a first feeding pipe is arranged on one side of the upper end face of the tank cover; a material distributing assembly is arranged in the first feeding pipe, an inner container is arranged on the inner wall of the tank body, and a discharging valve port is formed in the end face of the bottom of the tank body; the finished product quality and the overall cost of the medium cotton are improved by improving the process, and the arrangement of structures such as a stirring cutter, a conical hole, a fan wheel and a material distributing assembly in the production equipment is matched, so that in the material mixing process, powder can be relatively uniformly scattered into a polyurethane foaming material in a large area, and the production efficiency is improved. And the mixing difficulty is reduced, and meanwhile, the equipment can quickly sink powder and mix the powder into the polyurethane foaming material, so that the finished product quality of the medium cotton is effectively improved.

This invention discloses a tobacco extract, its preparation method, and its application, belonging to the field of tobacco flavoring technology. The preparation method includes: mixing water, propylene glycol, triethylene glycol, and glycerol into a quaternary composite solution, adding tobacco raw materials, glycine, glutamic acid, and alanine, and mixing thoroughly; obtaining a centrifuged clear liquid after extraction, which is then sequentially separated through a ceramic membrane, an ultrafiltration membrane, and a nanofiltration membrane; adding an organic acid to the membrane separation product, which is the tobacco extract. It can be used as a flavor enhancer in traditional cigarettes, significantly improving the richness, aroma, and satisfaction of the smoke; it can also be used directly as a base liquid for atomizing new tobacco products, without the need for adding large amounts of additional atomizing agents, producing sufficient and sustained smoke, with prominent tobacco aroma characteristics, a clean and comfortable aftertaste, and no irritation or sweetness.

The utility model relates to the technical field of track wheels, and discloses an anti-derailment track wheel of a travelling crane lifting device, which comprises a wheel body and a plurality of wheel teeth, the plurality of wheel teeth are respectively arranged at the center of the outer side of the wheel body in a rectangular manner, tread bodies are arranged at the centers of the two sides of the wheel body, and lubricating devices are arranged at the centers of the two sides of the wheel body close to the outer side. The tread body comprises a cone-shaped body, the cone-shaped body is arranged at the center of one side wall of the wheel body, and the center of the interior of the cone-shaped body is filled with an elastic block. According to the utility model, automatic centering can be realized through the treads when the wheel body runs on the track, the derailing risk caused by track irregularity or external interference is reduced, the wheel body can be automatically adjusted to the central position when deviating from the center line of the track, and then the vibration and impact in the running process can be absorbed through the elastic blocks, so that the running stability of the wheel body is improved. And the buffering performance of the wheel body is improved, so that the running stability is improved.

The utility model relates to the technical field of circuit boards, in particular to a spliced circuit board which comprises a circuit board body, a central processing unit is arranged at the top of the circuit board body, two through grooves are formed in the left side of the circuit board body, clamping assemblies are installed in the through grooves, and the clamping assemblies are used for rapidly splicing multiple circuit board bodies. The clamping assembly comprises a rotating handle, a main rod, a control block, clamping plates and a spring, the rotating handle is installed at the top of the through groove, the main rod is installed at the bottom of the rotating handle, the control block is installed at the bottom of the main rod, the clamping plates are symmetrically installed on the left side and the right side of the control block and located in the through groove, and the spring is installed between the clamping plates; compared with the existing spliced circuit board, the spliced circuit board has the advantages that the circuit boards can be quickly disassembled through the design of the clamping plates and the clamping columns, the conductivity is enhanced through the design of the copper foil, the electromagnetic shielding effect is provided, and the overall practicability is greatly improved.

The present application discloses a non-oriented silicon steel for a driving motor of a new energy vehicle and a production method thereof. The silicon steel is produced sequentially by steel smelting, continuous casting, hot rolling, normalizing, acid washing, single stand cold rolling without pre-heating, annealing, cooling, coating, and finishing. During steel smelting, no Cu, Cr, Ni, Nb, V, and Ti are added. The silicon steel comprises the following chemical ingredients: Si: 2.95%-3.15%, Al: 0.75%-0.95%, Si+2Al: 4.6%-4.9%, Mn: 0.5%-0.7%, Sn: 0.03%-0.04%, C≤0.0025%, with the balance being iron, wherein Mn / S≥380, and Al / N≥200.In the present application, the strength is improved while the magnetic performance is ensured, to solve the problem in the prior art that the magnetic performance and strength cannot be pursued at the same time, thus meeting the requirements for use in driving motors of new energy vehicles.

This utility model discloses an electrostatic elimination mechanism for liquid crystal glass spacers, comprising two sets of L-shaped plates, with two sets of transmission columns rotatably mounted between the two sets of L-shaped plates. An adsorption mechanism is fitted onto the outer surface of the two sets of transmission columns, allowing spacers to be placed on and adsorbed. A connecting plate is fixedly installed between the upper surfaces of the two sets of L-shaped plates, and ionizer bars are fixedly installed at both ends of the connecting plate. This utility model, through the adsorption mechanism, enables comprehensive treatment of both sides of the spacer, avoiding residual static electricity problems caused by incomplete elimination on one side. It significantly reduces spacer adhesion and impurity adsorption caused by static electricity, ensuring the cleanliness and stability of the spacer during subsequent use.