59results about How to "Solve the protection problem" patented technology

The invention discloses a safety protection device of a lithium battery pack, and relates to the field, the safety protection device comprises a protection shell and a power-off assembly, the power-off assembly comprises a first splitting block mounted on a top cover, the top end of the first splitting block is fixedly connected with a second splitting block, the first splitting block and the second splitting block are vertically arranged, and the bottom ends of the first splitting block and the second splitting block are conical; the power-off assembly is used for pushing the first splitting block and the second splitting block downwards after the smoke alarm receives a smoke alarm, so that multiple groups of batteries in the lithium battery pack are pushed to the periphery under the action of the first splitting block and the second splitting block, and after the distance is enlarged, the plugging blocks are separated from one another to be powered off; by arranging the power-off assembly, the sealing assembly and the fire extinguishing assembly, the lithium battery pack can be effectively and safely protected, and normal heat dissipation of the lithium battery pack is not affected on the basis, so that the problem that heat dissipation and safety protection cannot be considered at the same time in the prior art is solved.

The invention relates to a federated learning-based commercial data protection system, and the system comprises a federated protection module which is used for obtaining multi-modal behavior feature vectors, forming encryption features, carrying out aggregation operation, forming an encryption view, constructing a relation graph, and carrying out federated risk scoring; the self-adaptive control module is used for selecting a group of response action candidate sets, performing cost-benefit simulation evaluation on candidate actions in the response action candidate sets, generating a response action sequence, issuing a control measure command, verifying whether risk misjudgment occurs or not, and feeding back a verification result to the federal protection module; and the compliance guarantee module is used for acquiring data, carrying out noise addition on the data, locally completing encryption, constructing a verifiable trust and audit chain, hiding technical operation to corresponding legal requirements and dynamically generating a compliance state report. According to the technical scheme, the technical problems that in the prior art, misjudgment and early warning are prone to occurring, effective blocking cannot be conducted before IP leakage occurs, and privacy regulation requirements are not met are solved.

The application discloses a kind of across existing line portal pier deck beam construction platform and its installation method, including double-layer bailey beam component;Double-layer bailey beam component includes two bailey beam assemblies erected in the transverse direction of main crossbeam at the both ends of main crossbeam, bailey beam assembly is oppositely spaced;Located in the lower layer of double-layer bailey beam component is provided with installation platform, and the lower layer main protective shed frame is arranged between the two bailey beam assemblies on installation platform, and the lower layer walking platform and the lower layer side protective shed frame are arranged outside the two bailey beam assemblies on installation platform;Located in the middle layer of double-layer bailey beam component is provided with middle layer support platform, and middle layer support platform is between the two bailey beam assemblies;Located in the upper layer of double-layer bailey beam component, upper layer walking platform and upper layer protective shed frame are respectively arranged at the upper end of the two bailey beam assemblies.Using protective structure composed of double-layer bailey frame component, the problem existing in deck beam support and protection in the construction of across existing line deck beam is well solved.

The present invention relates to the field of functional fabrics, and provides a flame-retardant fabric with infrared shielding performance and a preparation method thereof. The fabric is prepared by a textile process from a blended yarn of a polyester composite fiber and a surface-modified polyimide composite fiber. The polyester composite fiber contains a magnesium hydroxide / zinc oxide composite filler, which is prepared by melt blending and spinning, and the surface-modified polyimide composite fiber is obtained by surface modification treatment of basic zinc carbonate. The zinc oxide particles and magnesium hydroxide nanowires in the magnesium hydroxide / zinc oxide composite filler act synergistically to enhance the flame retardancy and infrared shielding ability of the fiber; the use of surface-modified graphene improves the mechanical and thermal stability of the polyimide fiber. By reasonably regulating the fiber ratio and weaving density, the fabric has excellent mechanical properties, infrared shielding properties and flame retardant properties while ensuring flexibility, and has a wide range of application value.

The utility model relates to low -voltage power distribution cabinet technical field discloses a GGD modified cabinet of high protection level, including bottom plate, first cabinet body and second cabinet body, first cabinet body and second cabinet body all are located bottom plate, between first cabinet body and second cabinet body articulate simultaneously, it is movable connection between first cabinet body and bottom plate, it is fixed connection between second cabinet body and bottom plate, wherein, be equipped with metal mounting plate on bottom plate, be equipped with spherical fastener on metal mounting plate, the downside of first cabinet body is equipped with buckle lever, and the cooperation of spherical fastener and buckle lever replaces traditional bolt connection, makes cabinet body opening and closing time shorten to 30 seconds, promotes maintenance efficiency, guarantees the safety of core element with fixed cabinet body, and movable cabinet body is convenient for daily operation, solves the contradiction of 'protection' and 'convenience', galvanized steel sheet, sealing strip and inductive positioning structure improve cabinet body protection level, expand the application scene of GGD cabinet.

The present invention discloses a titanium alloy and aramid lightweight composite protective plate, comprising alternately distributed titanium alloy plates and aramid plates, wherein the total number of layers of the titanium alloy plates and aramid plates is 3 to 7 layers, and the outermost layer of the protective plate is a titanium alloy plate. In addition, the present invention also provides a method for preparing the titanium alloy and aramid lightweight composite protective plate, wherein the titanium alloy plates and aramid plates are coated with an adhesive and then stacked, and then cured at room temperature and high pressure to obtain a composite protective plate. The present invention adopts a multi-layer composite reinforcement method of titanium alloy and aramid, and by designing the thickness of different materials layer by layer, the advantages of the linear ultra-high strength of the aramid material and the high specific strength of the titanium alloy material are maximized in the ability to resist projectile penetration, and the surface density of the protective plate is greatly reduced.

The invention provides a composite fireproof system and method for power equipment, and belongs to the technical field of power equipment protection, and the composite fireproof system comprises an L-shaped fireproof partition plate, a flexible fireproof blanket assembly and a thermal response protection module. The L-shaped fireproof partition plate comprises a long side and a short side which are vertical and are transited through a first arc connecting part; the outer edge of the short edge is connected with an inclined plate inclined outwards through a second arc connecting part, and the edge is provided with a neodymium iron boron magnetic fixing strip. The flexible fireproof blanket assembly comprises a body and magnetic connecting pieces embedded in the edge, and the magnetic connecting pieces are fixed to the neodymium iron boron magnetic fixing strips in a matched mode. The thermal response protection module comprises a temperature monitoring unit, a phase change heat absorption unit and an aerogel strengthening unit, is arranged on the L-shaped fireproof partition plate and / or the fireproof blanket body and can trigger a response mechanism according to temperature changes. According to the composite fireproof system for the power equipment, the problems of limited fireproof performance, poor adaptability, insufficient sealing and the like of a traditional scheme are comprehensively solved.

According to the precise metal slit protection device for the optical imaging system and the using method, the metal slit cleaning plate and the metal slit protection assembly are used in cooperation, so that the two functions of pollution prevention and cleaning of the metal slit are achieved. The metal slit protection assembly comprises a metal slit placing plate and a protection assembly upper cover plate, and a finished product of the metal slit is placed in the metal slit protection assembly to realize physical protection of the metal slit. Two cleaning grooves used for cleaning the metal slits are machined in the surface of the metal slit cleaning plate. Potential pollution possibly occurring in the links of machining, cleaning, transferring, storing and the like of the metal slit can be effectively avoided, powerful guarantee is provided for debugging and assembling of the metal slit in follow-up whole machine equipment, the protection problem of the precise metal slit is solved, the reliability of the optical performance of the precise metal slit is guaranteed, and the service life of the precise metal slit is prolonged. The method has a remarkable guarantee and support effect on the development of various high-end precision optical imaging devices.

The present invention discloses a safety protection device for a lithium battery pack, and relates to a field, including a protective shell and a power-off component, the power-off component including a first split block installed on a top cover, the top of the first split block is fixedly connected to a second split block, the first split block and the second split block are vertically arranged and the bottom ends are both conical, the power-off component is used to push the first split block and the second split block downward after the smoke alarm receives the smoke alarm, thereby pushing multiple groups of batteries in the lithium battery pack to the surroundings through the action of the first split block and the second split block, and after the spacing is expanded, the plug-in blocks are separated from each other and the power is cut off. The present invention can effectively protect the lithium battery pack safely by providing a power-off component, a sealing component and a fire-extinguishing component, and on this basis does not affect the normal heat dissipation of the lithium battery pack, thereby solving the problem that heat dissipation and safety protection cannot be taken into account in the prior art.

This invention provides a microcrystalline glass lens polishing device with automatic cleaning, relating to the technical field of machine tools or devices and accessories designed for grinding or polishing optical surfaces on lenses and other workpieces with similar shapes. Through the aforementioned configuration of liquid bladders, limiting frames, liquid inlets, and gas inlets, this invention enables the pressure control system to adjust the hydraulic pressure of each liquid bladder according to feedback from the pressure sensor array during microcrystalline glass lens polishing. This ensures a uniform and adjustable pressure distribution of the grinding layer on the curved surface of the microcrystalline glass lens, solving the problems of traditional rigid polishing heads being unable to adapt to the curved contours of microcrystalline glass lenses and unable to compensate for uneven pressure in real time. It achieves independent zoned control of polishing pressure. Simultaneously, by alternately or simultaneously introducing cleaning and polishing fluid through the liquid inlets, combined with the blowing and draining function of the gas inlets, automatic cleaning and media switching are achieved during the polishing process, improving the surface flatness of the microcrystalline glass lens and reducing manual intervention steps.

The utility model relates to the field of protective cover devices, in particular to a ground inserting mechanism and a protective cover device, which comprise a lantern ring, a sleeve is arranged at the top end of the lantern ring, a chamfer is arranged at the bottom of the sleeve, the bottom of the sleeve is in threaded connection with the bottom of the lantern ring, a taper hole is formed in the top end of the sleeve, and an inserting pipe is sleeved with the taper hole. An inserting rod is inserted into the top end of the inserting pipe, a conical wall is arranged on the peripheral wall of the bottom of the inserting rod, and a round pin is inserted into the position, located on the conical wall, of the inserting pipe in the radial direction of the inserting pipe. According to the device, unlocking is achieved by pressing the inserting rod, clamping of the inserting rod is released, the effect of rapidly disassembling and assembling a fixed object can be achieved after the device is locally embedded, the device expands through the top of the lantern ring, the obtained expansion bevel edge is obliquely opposite to the direction of a hole, the effect similar to a barb can be achieved, and the device is inserted into the hole wall to provide more reliable anti-disengaging performance; the box body can be rapidly assembled on the ground, the protection problem of the vertical height transmission instrument installed on the ground is solved, and the box body is safe and reliable.

The application relates to the technical field of image data analysis, and discloses a power grid construction site illegal behavior recognition method and system based on deep learning, which comprises the following steps: acquiring real-time video data of a power grid construction site, extracting construction user video and construction operation video corresponding to the power grid construction site in the video; recognizing device wearing information of a corresponding user in the construction user video to analyze the safety protection state of the construction user; extracting user action frames and equipment operation frames of the corresponding construction user in the construction operation video, analyzing the limb action trajectory of the construction user, analyzing the equipment operation gesture of the construction user, calculating the behavior deviation index of the construction user based on the limb action trajectory and the equipment operation gesture; and recognizing the illegal behavior of the construction user in the power grid construction site based on the safety protection state and the behavior deviation index. The application can improve the accuracy of power grid construction site illegal behavior recognition.

The invention relates to the technical field of medical rehabilitation equipment, in particular to a pedal device of an electric standing bed for muscular tension traction and the electric standing bed. Comprising a pedal angle adjusting unit, a first pedal, a second pedal, a pressure detecting unit and a controller. The pedal angle adjusting unit is arranged on the bed body and used for independently adjusting the angles of the first pedal and the second pedal with the coronal axis as a first rotating shaft and independently adjusting the angles of the first pedal and the second pedal with the sagittal axis as a second rotating shaft. The first pedal is positioned at the bed tail and is connected with the pedal angle adjusting unit; the second pedal is located at the bed tail and connected with the pedal angle adjusting unit, and the first pedal and the second pedal are arranged side by side in the width direction of the bed body; the pressure detection unit is arranged on the first pedal and the second pedal, covers the pedal surfaces of the first pedal and the second pedal, and is used for detecting pressure data applied to the pressure detection unit by the feet of the patient.

The utility model discloses a protective mechanism for constructional engineering safety, relates to the field of constructional engineering protection, solves the problem that the existing device is difficult to carry out efficient folding and carrying and surrounding type protection on the mechanism according to requirements, and adopts the following scheme that the protective mechanism comprises two groups of upright post mechanisms and a warning tape between the upright post mechanisms; a main body of the stand column mechanism is a stand column cylinder, a base is assembled at the bottom of the stand column cylinder, a shaft column is fixedly installed in the center of the top face of the base, a warning tape is wound on the shaft column, and the top of the base is fixedly installed at the bottom of the stand column mechanism through a bearing ring. According to the protection mechanism for constructional engineering safety, through arrangement of the stand column mechanisms and assemblies on the inner sides of the stand column mechanisms, position adjustment in the transverse position can be achieved through the two stand column mechanisms and a warning tape between the two stand column mechanisms, so that surrounding type protection is conducted on a construction site from the outer side, and meanwhile a base on the inner side of the protection mechanism is conveniently rotated to wind and fold the warning tape; and the contraction effect is ensured, so that efficient carrying is facilitated.

The utility model discloses a tool type operation platform for external facade construction. The tool type operation platform comprises a supporting frame and an operation table. The supporting frame comprises vertical pipes and transverse connecting pipes, the four vertical pipes which are vertically arranged in parallel at intervals are fixedly connected through the transverse connecting pipes to form a rectangular frame structure, each transverse connecting pipe is vertically connected with the corresponding vertical pipe, and the upper end and the lower end of each vertical pipe extend upwards and downwards; the transverse connecting pipe located on the upper end face extends outwards and is fixedly connected with an operation table, and an inclined supporting pipe is fixedly arranged between the outwards-extending end of the transverse connecting pipe and the bottom end of the vertical pipe. According to the technical scheme, the moment of force at the front end of the operating platform is balanced through the abutting force between the steel beam and the pipe wall of the upper end of the vertical pipe, so that the platform can bear constructors standing on the platform, and the safety of the constructors is guaranteed. Therefore, the problems of operating platforms and protection when constructors construct the outer vertical face of the high-rise building are solved, and the purposes of improving the construction efficiency, saving the construction period and reducing the cost are achieved on the premise that the safety of the constructors is fully guaranteed.

The application relates to the technical field of centrifugal pumps, in particular to an energy-saving high-temperature-resistant centrifugal pump capable of conveying crystallized materials, which comprises a motor, a support and a pump body, and further comprises an inner rotor assembly, an outer rotor assembly, a jacket assembly and a flow guiding part; the inner rotor assembly is connected with the pump body and is used for driving the pump body to convey liquid; the outer rotor assembly is connected with the motor and transmits mechanical energy of the motor to the inner rotor assembly through magnetic coupling. The flow guiding part driven by medium pressure is arranged, automatic switching of two working conditions is cleverly realized. When medium flows in the pump, the static pressure of the medium makes the flow resistance assembly open, the medium itself is allowed to flow through the bearing cavity for flushing and lubrication, meanwhile, the flushing liquid passage of the jacket assembly is closed, so that pollution of external flushing liquid to the conveying medium is avoided. When there is no medium in the pump, the medium channel is automatically closed and the flushing liquid passage of the jacket assembly is opened, external flushing liquid is used for flushing, cooling and anti-crystallization protection of the bearing.

The invention relates to the technical field of rare earth metal electrolysis cathode protection coatings, in particular to an in-situ generated rare earth oxide diffusion barrier layer on the surface of a tungsten cathode. According to the method, fused salt electrodeposition and sol chemical deposition are combined, and a composite diffusion barrier layer of an yttrium tungstate binding layer / yttrium oxyfluoride barrier layer is constructed on the surface of a tungsten cathode in situ; the method comprises the following steps: firstly, enabling sodium tungstate to react with yttrium fluoride in fused salt through electro-deposition, and generating a compact and firmly combined yttrium tungstate layer on a tungsten substrate in situ; and then a compact surface layer of multiple yttrium oxyfluoride layers is constructed on the surface of the tungsten cathode by adopting a sol-gel method, strong interface bonding is realized by utilizing an in-situ reaction, surface hole sealing is realized by utilizing the densification characteristic of yttrium oxyfluoride, finally, a composite protection structure is formed, and the high-temperature oxidation resistance and molten salt corrosion resistance of the tungsten cathode are remarkably improved.

The invention provides a helmet with audio and video transmission and respiratory protection functions and a use method thereof. The helmet comprises a helmet body; the mask unit is fixed on the face of the helmet body; the breathing valve seat is arranged at the bottom of the mask unit and connected to the breathing air supply assembly through an air supply pipeline; the audio and video transmission device is used for acquiring audio and video data and transmitting the audio and video data to an external system; and the energy module is electrically connected with the audio and video transmission device to provide power.

This invention relates to the field of disconnector switch technology, addressing the challenge of arc protection and improving the long-term reliability of disconnector switch stationary contacts under harsh operating conditions. It includes a terminal block, a stationary contact base, contact fingers, and an arc-initiating assembly. The stationary contact base is vertically and fixedly connected to the terminal block. Two sets of contact fingers are fixed to the stationary contact base. The terminal block is fixedly connected to the supporting insulator of the disconnector switch. The arc-initiating assembly includes an arc-initiating rod and an arc-initiating bracket. The arc-initiating bracket is fixed to the stationary contact base. The lower end of the arc-initiating rod is hinged to the arc-initiating bracket. An arc-initiating spring is located between the bottom of the arc-initiating rod and the arc-initiating bracket. When the arc-initiating spring is at its natural length, the arc-initiating rod is in a vertical state. When the contact plate on the main switch's conductive arm contacts the contact fingers, the conductive arm contacts the arc-initiating rod, and the arc-initiating spring is compressed. During opening, after the contact fingers separate from the contact plate, the arc-initiating rod remains in contact with the conductive arm for a period of time to initiate an arc.

The present invention discloses a device and method for quickly installing a recoverable microseismic sensor suitable for different hole depths, including a handheld unit, a detection unit and a drilling unit, wherein the handheld unit includes a T-shaped handle and a rear cover body. There are three detection units, which are linearly connected in sequence. The rear end of the first detection unit is fixedly connected to the rear cover body, and the drilling unit is arranged at the front end of the last detection unit. The detection unit includes a housing, a detection rod, a microseismic sensor and a telescopic fixing assembly. The rear end of the detection rod is adjustably fixedly connected to the housing. The microseismic sensor is arranged inside the front end of the detection rod. The front end of the detection rod is threadedly connected to the rear end of the housing of the next detection unit. The detection rod is fixed inside the rock formation borehole by a telescopic fixing assembly, and the drilling unit is arranged at the front end of the detection rod of the last detection unit. The microseismic sensor of the present invention is well coupled with the deep hole rock formation, which is convenient for arranging multiple microseismic sensors at different depths of the borehole, and for three-dimensional monitoring of the rock formation, so that it can be quickly installed and recovered.

The utility model relates to the technical field of liquid crystal display screens, and discloses a liquid crystal display screen with a protective structure, which comprises a base and a frame, an angle adjusting mechanism is arranged on the upper surface of the base, and the angle adjusting mechanism comprises a supporting column, a U-shaped frame, a connecting shaft, a fixing plate, a bearing block and an inserting rod, the outer surface of one end of the supporting column is fixedly connected with the interior of the base. According to the liquid crystal display screen with the protection structure, a U-shaped frame, a connecting shaft, a fixing plate and a bearing block are used, a frame and a main body can be driven to change the viewing angle in practice, the positions of the frame and the main body after angle change can be limited through an inserting rod and an inserting groove, and through a penetrating plate and a limiting screw rod, the angle of the frame and the main body can be changed. And the position after the angle is changed can be fixed again, so that the problem of how to change the viewing angle of the main body is solved, the effect of wider viewing range can be achieved, and the viewing effect in reality is improved.

The utility model relates to the technical field of heat insulation car covers, in particular to an anti-aging heat insulation car cover which comprises a top film, positioning strips are connected to the upper end, the lower end, the left end and the right end of the top film, side films are connected to the left end and the right end of the top film, bottom strips are connected to the other ends of the side films at the left end and the right end, and a tail film is connected to the upper end of the top film. The lower end of the top film is connected with a head film, the left end and the right end of the tail film and the left end and the right end of the head film are connected with dividing strips, the left end and the right end of the tail film are provided with rear extension films, the left end and the right end of the head film are provided with front extension films, and the bottoms of the rear extension films and the bottoms of the front extension films are connected with elastic strips. By means of the top film, the extension film and other structures in the device, rubber strips can be additionally arranged at the connecting positions of the car cover to protect the tops of the connecting positions, a folding thought is provided for the car cover in a folded state through specific parting lines and dividing strips, and therefore folding and storage are facilitated, meanwhile, creases are reduced, and the service life of the car cover is prolonged. The problem that the overall protection effect of the car cover is reduced is solved.

The present invention relates to the technical field of energy storage management, and discloses a comprehensive energy storage management system, including an energy storage box and a thermal management component, wherein a plurality of battery compartments are provided on the upper part of the interior of the energy storage box, and energy storage batteries are inserted into the interiors of the plurality of battery compartments in a one-to-one correspondence, and an annular gap exists between the energy storage battery and the battery compartment, and a charging and discharging circuit board is provided inside the energy storage box and located below the plurality of battery compartments, and the bottoms of the plurality of battery compartments are connected to the charging and discharging circuit board through joints, and a charging and discharging interface electrically connected to the charging and discharging circuit board is provided on the side of the energy storage box, and charging and discharging of the plurality of energy storage batteries is realized through the charging and discharging interface and the charging and discharging circuit board; the thermal management component includes a temperature monitoring unit and a temperature divergence unit, and the temperature monitoring unit includes a first temperature sensor and a second temperature sensor, which realizes effective cooling and lowering of the energy storage battery and the joint by accurately monitoring the temperature of the battery and the joint, and circulating a cooling medium to the cooling plate and a spiral cooling pipe.

The invention discloses a tail plug structure of a Bluetooth headset and a manufacturing method thereof, the tail plug structure of the Bluetooth headset comprises an insulating seat body and a terminal which are integrally formed through double-shot injection molding, a conductive coating is formed on the surface of the terminal, and the terminal is electrically connected with an external charging device and a circuit board through the conductive coating. According to the invention, the metal PAD does not need to be assembled through assembly processes such as dispensing and pressing, so that the problem that pseudo soldering is easily caused or the sealing protection performance is poor can be solved.

The utility model relates to a kind of power taking track, its track pedestal is arranged with multiple power taking positions along its length direction, and sealing plate is provided with the sealing plate socket corresponding to multiple power taking positions;Safety door component includes the protective door of transverse sliding setting in support plate, and the protective door is provided with the zero line convex column, live line convex column and ground wire convex column corresponding to the sealing plate socket of each power taking position;When power taking position is not inserted socket adapter, the zero line convex column, live line convex column and ground wire convex column of protective door close the sealing plate socket;When socket adapter is inserted into power taking position, its zero line plug post, live line plug post and ground wire plug post press down corresponding zero line convex column, live line convex column and ground wire convex column, drive the protective door to move downward and transversely to avoid the plug post, so that the sealing plate socket is opened.The scheme has the advantages of improving the sealing property of socket protection, simplifying the structure, improving safety and reliability.

The invention provides a construction method of a composite protection system for a water-rich sandy loam slope, which comprises the following steps of: S1, excavation and backfilling of flow guide blind ditches: excavating one flow guide blind ditch on the surface of the slope at an interval of N1 meters, backfilling the flow guide blind ditches and then arching; s2, construction of a side slope protection grid: digging a groove after arching to form longitudinal grid ridges and transverse grid ridges of the protection grid so as to form the side slope protection grid; s3, construction of chain type slope protection building blocks: after the slope protection grid is formed, the chain type slope protection building blocks are paved in units formed by separation of longitudinal grid stems and transverse grid stems of the protection grid; and S4, slope protection foot and drainage pipe construction: after the chain type slope protection building blocks are paved, the drainage pipe sleeves the flow guide blind ditch at the bottom of the slope, and the slope protection foot is arranged at the bottom of the slope and is nested in the drainage pipe. The problem of protection of the water-rich sandy loam slope can be effectively solved.

The utility model relates to filter protection circuit and camera of camera head, including image acquisition sensor, connecting port and image processing chip, still including TF common mode filter circuit, electrostatic protection circuit and spread spectrum IC circuit, TF common mode filter circuit is connected with image acquisition sensor, electrostatic protection circuit and TF common mode filter circuit and connecting port are connected, and the CSI the CLK port of image processing chip, the MCLK port of connecting port all are connected with spread spectrum IC circuit, application circuit of this application can reduce the common mode noise of data to the greatest extent, reduce EMI radiation, can reduce electrostatic interference data transmission, can also make the synchronous clock of protocol also have spread spectrum, thereby reducing clock radiation, this application can solve the EMI radiation emission and electrostatic protection problem of MIPI CSI -2 camera head very well, especially applicable to small, data bandwidth is high, clock frequency is high and the camera product of transmission MIPI CSI -2 protocol.

This application relates to the field of metal surface treatment, specifically disclosing a fingerprint-resistant galvanized sheet and its production method. The fingerprint-resistant galvanized sheet includes a substrate, a galvanized layer formed on the surface of the substrate, and an inorganic passivation layer and an organic composite coating sequentially coated on the surface of the galvanized layer. The organic composite coating includes an acrylate-polysiloxane modified resin system and a hybrid conductive network filler dispersed in the resin system. The hybrid conductive network filler is composed of two-dimensional nano-graphene and one-dimensional conductive material in a mass ratio of 5:1 to 15:1, and the surface of the hybrid conductive network filler is grafted with a silane coupling agent. The organic composite coating is distributed in a transverse gradient on the surface of the galvanized sheet, with a film weight of 0.8-1.0 g / m² in the central region and 0.6-0.8 g / m² in the edge region. The fingerprint-resistant galvanized sheet of this application exhibits excellent fingerprint resistance and corrosion resistance, while also achieving high conductivity.

A welding cup protection method for an electric connector without a tail cover comprises the following steps: coating silicone rubber on the surface of a welding cup of the electric connector by using a glue filling injector to cover the whole welding cup; standing for 24 hours in a room temperature environment to cure the silicon rubber on the surface of the welding cup; the electric connector is arranged in an encapsulation device and is bound and fixed by using a pressure-sensitive adhesive tape, and only an encapsulation opening is exposed; preparing a potting epoxy glue solution, placing the uniformly stirred and mixed glue solution in a vacuumizing box, and discharging redundant bubbles in the glue solution; pouring the prepared epoxy glue solution into a glue filling injector at a constant speed, removing excess air in a needle cylinder, and injecting the glue solution from the bottom of a welding cup of a potting port of the electric connector at a constant speed until the epoxy glue solution is flush with the upper surface of the potting port; standing in a room temperature environment for 24 hours or placing in a 60 DEG C drying oven for 4 hours to cure the epoxy glue solution; and removing the pressure-sensitive adhesive tape wound outside the encapsulation device, and separating the encapsulation device up and down to obtain the encapsulated electric connector. The encapsulating device is combined with the use of the elastic encapsulating material, so that the effective protection of the electric connection welding cup is realized.

The invention relates to the technical field of aluminum casting surface treatment, in particular to a cylindrical light-weight aluminum casting surface treatment device which comprises a manufacturing equipment table, when the device is used, automatic clamping, lifting and precise grinding of a cylindrical light-weight aluminum casting can be achieved, manual casting taking and manual grinding are not needed, the production efficiency is improved, and the production cost is reduced. A first air cylinder in the positioning assembly drives positioning blocks to move oppositely, friction heads at the corners of the positioning blocks are matched, a casting can be stably clamped, the casting is prevented from sliding and deviating in the clamping process, a threaded rod in the grinding assembly is adjusted, the position of a grinding wheel can be flexibly adjusted by rotating a handle, and the grinding requirements for grinding wheel abrasion and different castings are met; the stepping motor drives the lead screw to drive the sliding block and the grinding wheel to move stably, accurate linear grinding of the parting line is achieved, other surfaces of the casting are prevented from being ground by mistake, the appearance neatness and structural integrity of the casting are guaranteed, and the efficient and accurate production requirements of the intelligent manufacturing equipment industry are met.