172results about How to "There will be no leakage" patented technology

The invention relates to a high-viscosity and low-melting-point metal conductive paste and a preparation method and an application thereof. The high-viscosity and low-melting-point metal conductive paste is characterized in that the metal conductive paste is prepared by uniformly mixing low-melting-point metal and metal powder based on a certain proportion and by a certain method. The metal powder can improve the viscosity and electrical conductivity of the low-melting-point metal. By adopting the high-viscosity and low-melting-point metal conductive paste of the invention, the contact resistance between electronic components can be significantly reduced, the contact surface temperature of electronic components can be reduced, and the working life of electronic components can be prolonged as much as possible. The high-viscosity and low-melting-point metal conductive paste of the invention has high electrical conductivity, a remarkable electric conduction effect and a long service life, and can be widely used in the technical fields of electric power and energy.

The invention relates to a single chip silicon SOI high temperature low drift pressure sensor in the field of sensitive sensing technology. Wherein the four voltage-sensitive resistances which form the Wheatstone bridge adopt SOI material; it adopts the interval compensation and the outer compensation technology of partial interval resistance of the SOI resistance network to make the zero point temperature drift below 1X10-6Vs/íµ; it adopts girder-film-island structure to improve the sensibility and linearity of the sensor; it adopts polysilicon with thick boron and the aluminum lead wire covered the lead wire surface to form the interval lead wire of the sensor; it adopts thick boron automatically end technology to make high sensibility high temperature low drift pressure sensor.

The invention discloses a box taking and placing mechanical arm. The mechanical arm comprises a supporting frame, a mechanical claw device mounted on the supporting frame and an offset drive device driving the mechanical claw device to move; the mechanical claw device comprises a clamping mechanism fixedly connected with the offset drive device and two symmetrically-arranged clamping plates; one end of each clamping plate serves as a connecting part, and the other end of each clamping plate serves as a clamping part; the connecting parts are fixedly connected with the clamping mechanism, and the clamping parts incline towards the inner side relative to the connecting parts; and the box taking and placing mechanical arm can replace manpower, and take and place packaging boxes like a medicine box on a goods shelf, manpower is saved, meanwhile, work efficiency is improved, the clamping parts incline towards the inner side, fixed-point clamping of the boxes can be achieved, and compared with a full-contact type mechanical claw in the prior art, the box taking and placing mechanical arm has the beneficial effects that positioning and clamping are easier, and clamping missing cannot appear.

The invention discloses a heat management system and method for a battery pack of an electric automobile, belonging to the field of heat management of a battery pack of an electric automobile. The system comprises a battery pack shell and a battery management system, wherein a T-shaped middle wind deflector is arranged inside the battery pack shell, is connected with one end of the battery pack shell and is used for partitioning the battery pack shell into two spaces; the two spaces are communicated with each other through a gap formed between the other end of the battery pack shell and the middle wind deflector; one end of the battery pack shell which is connected with the middle wind deflector is provided with a heat-radiating system and a heating system; the heat-radiating system comprises an air inlet system and an air outlet system; the air inlet system and the air outlet system are positioned on both sides of the middle wind deflector respectively, and are positioned outside the battery pack shell; and the heating system passes through the middle wind deflector and is arranged inside the battery pack shell. In the invention, the battery pack is subjected to heating and heat radiating through the air; and the heat management system has a simple structure, and is free from liquid leakage.

The invention discloses a spring assembly machine for a spring lock. The spring assembly machine for the spring lock is characterized by comprising a spring feeder, a feeding pipeline, a die holder, a feeding head and a material control device; the feeding head is provided with a plurality of vertical channels which are arranged in straight-line shapes and allow springs to pass through; the material control device is mounted on the side face of the feeding head; one end of the feeding pipeline is connected with the spring feeder, and the other end of the feeding pipeline is correspondingly communicated with the vertical channels; the die holder is provided with a spring channel corresponding to the feeding head and a station for placing a lock core; and the spring channel is correspondingly communicated with the vertical channels on the feeding head. With the adoption of the structure provided by the invention, the springs can be automatically fed in a spring hole of the lock core of a lock. The spring assembly machine has the advantages of convenience in operation, rapidness in assembly and no occurrence of neglected loading; and very high production efficiency can be brought to the assembly of the springs of the lock core.

The invention relates to an electric heating pipe for heating liquid. The technical points are as follows: the electric heating pipe comprises a metal pipe, an insulation layer is arranged outside the metal pipe, a heat conducting layer is arranged between the metal pipe and the insulation layer, a heating membrane is arranged outside the insulation layer, and electrodes for leading current to the heating membrane are arranged on the heating membrane. The electric heating pipe has a simple structure and high heat transfer performance and safety performance, and the whole device can be effectively prevented from explosion.

The invention discloses an SMTP protocol data leak prevention method and system based on deep content analysis, and relates to the field of data protection. The method comprises the steps that a data leak prevention system for blocking secret-associated data is connected into a network boundary in series; the data leak prevention system is utilized for capturing an outgoing message and determining a protocol type of the outgoing message; when the protocol type of the outgoing message is determined to be an SMTP protocol, whether the outgoing message contains secret-associated data or not is judged; if it is determined that the outgoing message contains the secret-associated data, secret-associated data leak is blocked. According to the method and system, effective blockage of network boundary SMTP protocol sensitive data is achieved, deep analysis and real-time matching functions are provided for the outgoing message, the leak resistance phenomenon is avoided, enterprise data assets safety is effectively protected, transparency to users is achieved, user experience is not affected, and the method and system are easy for users to accept.

The invention discloses a digital peak clipping method and a digital peak clipping device, and belongs to the field of communication. The digital peak clipping method includes generating output noise signals according to amplitude values of carrier aggregation (CA) signals and a preset peak clipping threshold; acquiring frequency points, bandwidths and sampling rates of various first carrier signals in the CA signals; generating CA peak clipping coefficients according to the frequency points, the bandwidths and the sampling rates of the various first carrier signals and actuating filter processing for the CA peak clipping coefficients and the output noise signals to generate filtered and formed noise signals; and aligning the CA signals with the filtered and formed noise signals after the CA signals are delayed, and subtracting the filtered and formed noise signals from the delayed CA signals to generate peak clipping signals. The digital peak clipping method and the digital peak clipping device have the advantage of capability of reducing the peak clipping missing probability.

The invention discloses a glue coating device for producing garment fabric. The device comprises an operation platform, the upper surface of the operation platform is sequentially provided with a gluecoating chamber and a drying chamber from left to right, two transverse frames are fixedly and transversely mounted at the top of an inner cavity of the glue coating chamber, a plurality of nozzles are fixedly mounted on the two transverse frames at equal intervals, and a glue coating roller is located in the middle of the space between the two transverse frames; a booster pump and a glue storagetank are fixedly mounted on the outer surface of the top of the drying chamber, a second transition roller and a heating roller are sequentially mounted at the portion, located in an inner cavity ofthe drying chamber, of the operation platform from left to right, and the portion, located below the glue coating chamber, of the operation platform is fixedly provided with a liquid collection cover.The glue coating device conducts glue coating by adopting a multi-spraying glue coating mode, the glue coating roller is adopted for even trowelling and coating, glue coating is conducted more evenlyand fully, and the phenomenon of missing coating cannot occur; the fabric coated with glue is also dried, the speed of naturally drying the fabric is increased, and therefore the working efficiency is improved.

The invention discloses a multifunctional solar-assisted air-conditioning system. The multifunctional solar-assisted air-conditioning system comprises two parts of a refrigerant circulating system and a water circulating system, wherein, the refrigerant circulating system comprises a compressor, an indoor heat exchanger, a refrigerant-water heat exchanger, an outdoor heat exchanger, a high pressure liquid storage barrel, a throttling device, a three-way valve, an one-way valve and a gas-liquid separator which are sequentially connected; and the water circulating system comprises a solar heat collection device, a water tank, a water pump and the refrigerant-water heat exchanger which are sequentially connected. The multifunctional solar-assisted air-conditioning system of the invention can high efficiently realize the functions of a cool-warm air conditioner and a water heater, thereby having very strong energy-saving property, practicality, economy and broad market prospect. The multifunctional solar-assisted air-conditioning system is particularly applicable to the occasions which are rich in solar energy resources and simultaneously need the cool-warm air conditioner and the supply of hot water.

The invention relates to a water treatment device. The water treatment device comprises a housing and an audio detection device, wherein the housing is internally provided with a water inlet pipe, a water outlet pipe and a gas-liquid mixing device for mixing ozone and water in the housing, the water inlet of the gas-liquid mixing device is connected to the water inlet pipe, the water outlet of the gas-liquid mixing device is connected to the water outlet pipe, the housing is also internally provided with a controller and an ozone generator, the ozone generator is controlled by the controller, the ozone generator is also communicated with the gas-liquid mixing device by an ozone outlet pipe, and the audio detection device is used for picking up audio signals in the gas-liquid mixing device and is also controlled by the controller. According to the water treatment device, the water flow is detected by the audio detection device instead of the traditional solenoid valve, frequent switching is not needed and thus the service life is prolonged. Simultaneously, since the audio detection device is used for detecting the water flow based on the collected water flow audio signals, detection results are more accurate, the replacement frequency is low and the application cost is reduced.

The invention provides a display backboard, a manufacturing method thereof and a display device. The display backboard comprises a substrate, a light emitting component and a pixel definition layer, the light emitting component comprises a cathode, an anode and a light emitting layer, the pixel definition layer defines multiple openings, the light emitting layer is arranged in the openings and covers a preset area, towards the side surfaces of the openings, of the pixel definition layer, and different positions in the preset area are basically consistent in hydrophilicity. The light emitting layer in the display backboard is not bent after manufacture, and the thickness of the light emitting layer is highly uniform, so that the light emitting uniformity of the display backboard is high, and the light emitting layer is avoided from overflowing out of the openings in the manufacturing process; and thus, the display backboard is avoided from electric leakage or brightening in the circumference of a pixel unit in the using process, and the display effect of the display backboard is good.

The invention relates to a method and system for removing solvents from isocyanates obtained from phosgenation reaction with an aim to reduce content of heavy components in the solvents, improving purity of the solvents and increasing operation elasticity. Corresponding amine and the solvents are mixed through the phosgenation reaction and then mixed and reacted with phosgene in a mixer to obtainmixed liquor with materials including isocyanate, the solvents, the phosgene, HCI and the like, the phosgene and the solvents are removed from the mixture via a phosgene removing tower and a solvent removing tower respectively, and crude isocyanates free from the phosgene and the solvents and solvents containing the phosgene and HCl light components and trace isocyanate heavy components are obtained. With the method, content of the heavy components in the cyclic solvents can be effectively reduced, plugging frequency of the amine and the phosgene mixer is reduced, self-polymerization pollutionin a tray and scaling pollution in a reboiler are reduced, operation stability is improved, and meanwhile, energy consumption during solvent removal can be reduced; the method and system is simple inprocess, convenient in operation, energy saving, high in production efficiency and environment friendly.

The invention discloses a scooter handlebar vertical tube punching die. The scooter handlebar vertical tube punching die is characterized by comprising an upper die and a lower die. The upper die is provided with an upper punching pin, a guide tube and an inclined pushing block. The lower die is provided with sliding block punching pins on both sides, a guide column and a vertical tube positioning column. Compared with the prior art, the scooter handlebar vertical tube punching die has the advantages that a structure manufactured through the scooter handlebar vertical tube punching die can be manufactured in one step for ensuring the accuracy of a hole; three holes can be punched at the same time for avoiding punching missing; two processes are changed into one process for reducing manufactured costs.

The invention discloses a method of edge match for linear elements, which can improve the correction, efficiency and fault tolerance of edge match. According to the invention, a double restriction condition of spatial relation and attribute relation is adopted to avoid mis-matching of a linear object and avoid leaked connection by an edge matching table. The edge matching object is divided into internal and external object sets according to the relationship with the spatial range, times of edge match for each object are pre-constructed and judgment of spatial relation of edge match is converted into judgment of distance between end points of linear objects, so that the method provided by the invention, compared with the prior art, is higher in correction, stronger in fault tolerance, and higher in efficiency of searching for the edge matching objects.

The invention discloses a plate fixing and heating unit device belonging to the technical field of heat supply and heating. The plate fixing and heating unit device comprises a decorative plate layer internally provided with a heat supply device, a connecting frame and a moisture-proof insulating layer that are sequentially arranged. The plate fixing and heating unit device also comprises a fixedlock arranged between the connecting frame and the moisture-proof insulating layer, and two electrical-connecting blocks arranged on the moisture-proof insulating layer, wherein the two electrical-connecting blocks are respectively a first and a second electrical-connecting blocks when being respectively arranged on two opposite corners of the moisture-proof insulating layer, and are arranged in a negative parallel manner; the two electrical-connecting blocks are respectively first electrical-connecting blocks when being respectively arranged on two adjacent corners of the moisture-proof insulating layer, and are arranged in an equidirectional parallel manner; the heat supply device is arranged in the decorative plate layer, two ends of the heat supply device are respectively connected with the two electrical-connecting blocks; and during the assembly, the electrical-connecting blocks of two unit devices are in mutual contact. The invention can realize the advantages of uniformity in heating, high heat-radiating speed, no need of laying pipelines and damaging family decoration, simpleness in installation, random disassembly, recycling property, good stability, long service life, complete waterproof property, and resistance to pressure and expansion caused by heat and contraction caused by cold, and can be used in floor, bed surface and wall surface heat supply.

The invention relates to the technical field of ultraviolet sterilization, in particular to an ultraviolet radiation sterilization device. The ultraviolet radiation sterilization device comprises ultraviolet lamp modules, an ultraviolet lamp module mounting rack and an electric control device connected with the ultraviolet lamp modules. The ultraviolet lamp modules are slantingly arranged between upper and lower mounting plates of the ultraviolet lamp module mounting rack. According to the invention, in the water flow direction, the sections of the ultraviolet lamp modules are of an oval shape and the shape of each ultraviolet lamp module is close to a streamline shape and no shadow zone is generated, so that the device is ensured to have a better flow state and the sterilizing efficiency of the modules is improved. The ultraviolet lamp modules are arranged on the upper and lower mounting plates in a staggered mode, the phenomenon of missed radiation cannot occur and the sterilizing effect is more excellent.

The invention relates to a visual observation culture medium for nematode acute toxicity test and a preparation method of the visual observation culture medium for the nematode acute toxicity test and aims to solve the problem that an existing culture medium for the nematode acute toxicity test is inaccurate in counting, large in death judgment error, long in observation time and inaccurate in behavior observation. The visual observation culture medium comprises, by mass percentage, 45-60% of gypsum, 5-10% of activated carbon and the balance of distilled water. The preparation method includes uniformly mixing the gypsum with the activated carbon to pour into the distilled water, uniformly stirring to obtain mixture; pouring the mixture into a twelve-hole cell culture plate 0.1-0.2 centimeter in thickness; and standing on a horizontal platform till solidifying and obtaining the visual observation culture medium for the nematode acute toxicity test. The visual observation culture medium is easy to count, obvious in dead nematode judgment, easy for behavior observation and higher in test result correctness and accuracy, and can be applied to the nematode toxicity test.

The invention discloses a sputum aspirator dedicated for pediatric nursing, comprising an exhaust port, a fixing seat, a pressure regulating valve, an adjusting knob, a check valve, a first connector,a connecting tube, a sputum suction device, a first needle, a pin, a sealing membrane, a second needle, a clamping groove and a collecting bottle. The sputum aspirator of the invention has the advantages of reasonable structure, low production cost and convenient installation, and the sealing membrane provided here can effectively ensure that the internal waste liquid does not leak to the outsideafter the collecting bottle is taken out and thus the pollution to the environment is also reduced; a motor provided in the invention can drive a sputum suction head sequentially through a coupling sleeve body, a transmission groove, a transmission head and a connecting cylinder body, thereby ensuring the range of sputum suction of sputum suction holes on one side without affecting the suction ofthe sputum suction; and sputum suction grooves are provided in the invention, so that the passage of outside air into the sputum suction grooves through a vent hole and small holes can be facilitated, thereby improving the absorption effect of the sputum, and at the same time, the discomfort caused by partial vacuum in the sputum suction site is also avoided.