142results about How to "Play the role of isolation protection" patented technology

An omni-directional naked eye 3D display device and a working principle thereof relates to the field of equipment for generating the three-dimensional effect. The omni-directional naked eye 3D display device comprises a rotating shaft and a motor driving rotation of the rotating shaft. A side wall of the rotating shaft is provided with a plurality of pixel luminous points which are uniformly distributed. Distances between the pixel luminous points which are at the same height and arranged around the side wall of the rotating shaft and the center of the rotating shaft are different. The beneficial effects are that when the motor drives the rotating shaft to rotate at the high speed, the pixel luminous points of different extension lengths form a column lattice screen of a certain depth around the rotating shaft. When the pixel luminous points emit light in sequence, people can directly observe light emitted by the pixel luminous points at different distances, and a visual distance difference is formed, so that a good three-dimensional effect is formed, and the 360-degree omni-directional naked eye 3D display is achieved.

The invention discloses a two-dimensional crystal material field effect transistor, which comprises a semiconductor substrate, a dielectric layer, a metal gate, a gate dielectric layer, a channel layer, a graphene layer, a two-dimensional crystal protection layer, a source electrode and a drain electrode. The invention further discloses a method for preparing the two-dimensional crystal material field effect transistor. A two-dimensional crystal material directly grows on the gate dielectric layer in a self-aligned manner, and doped graphene is adopted as a source and a drain and connected with metal as the source electrode and the drain electrode to prepare the field effect transistor. According to the two-dimensional crystal material field effect transistor and the preparation method thereof, the field effect transistor with stable two-dimensional crystal material film property can be manufactured by adopting a conventional CMOS manufacture procedure; and the ultimate target of preparing a small-size and large-scale two-dimensional crystal field effect transistor array is achieved.

The invention discloses a concrete column with sea sand concrete and core rubber concrete. The concrete column with the sea sand concrete and the core rubber concrete comprises an outer-layer FRP pipe, an FRP-steel composite pipe, the sea sand concrete and the rubber concrete, the FRP-steel composite pipe is arranged in the outer-layer FRP pipe, and the position between the FRP-steel composite pipe and the outer-layer FRP pipe is filled with the sea sand concrete; the FRP-steel composite pipe is filled with the rubber concrete; and the FRP-steel composite pipe comprises a steel pipe body and FRP fiber cloth covering the external surface of the steel pipe body. According to the concrete column with the sea sand concrete and the core rubber concrete, original sea sand which is not subjected to desalting treatment can be directly used, the fresh water resource is saved, the desalting working procedure is omitted, and the utilization rate of the sea sand is greatly increased. In addition, the defects that a rubber concrete column is low in compressive strength, and peculiar smell is released are overcome, the engineering application fields of the rubber concrete are expanded, the utilization rate of rubber is greatly increased, and the concrete column with the sea sand concrete and the core rubber concrete has the beneficial effects of being high in bearing capacity, good in shock resistance and damping capacity, excellent in seismic performance and environmentally friendly.

The invention provides a temperature control device for lithium batteries. According to the temperature control device, a lithium battery pack is located in a battery box body; a positive electrode and a negative electrode of the lithium battery pack are correspondingly connected with a positive terminal and a negative terminal through wires separately; a temperature sensor is bonded to the bottomof a single lithium battery; the temperature sensors are connected with a control circuit board; a cooling film and an electric heating film are inserted between the single lithium batteries in common; the electric heating film is located at the outer side of the cooling film; a water inlet is formed in one end of the cooling film and a water outlet is formed in the other end; the water inlet isconnected with a liquid inlet pipe; the water outlet is connected with a liquid outlet pipe; the liquid inlet pipe and the liquid outlet pipe pass through the top of the battery box body separately; aflow accelerator is arranged between a water outlet pipe and the liquid outlet pipe and is electrically connected with the control circuit board; and a connection line is arranged at one end of the electric heating film and connected with the control circuit board. According to the temperature control device, the lithium batteries are cooled through the cooling film and are heated through the electric heating film, so that the temperature control efficiency is greatly improved.

The invention discloses an assembly type lightning arrester with adjustable length and stable installation, which comprises a base, a convex ring and a second propping rod, wherein a fixed cushion block is fixed to the lower end surface of the base, a mounting cushion block is in threaded connection with the lower end surface of the base, bolt holes are formed in the inner side of the mounting cushion block, a sleeve is fixed to the upper end surface of the base, an annular base is fixed to the outer side of the top of the sleeve, a connecting column is fixed to the top of the supporting column through a first stud, a threaded column is connected to the top of the connecting column in a threaded mode, a bearing seat is arranged at the top of the connecting block, and protruding blocks arefixed to the outer side of the lightning rod main body and the upper end surface of the bearing seat. According to the assembly type lightning arrester with adjustable length and stable installation,the connecting column and the supporting column can be fixed together by tightening the first stud, then the upper end and the lower end of a steel wire rope are tightened and fixed to the corresponding fixing rings, and the steel wire rope is in a tightened state at the moment, so that the connecting column is facilitated to be more stably placed.

The invention discloses an adjustable positive and negative pressure isolation transfer cabin, which comprises a guarantee cabin, a first buffer cabin, a second buffer cabin, a central control cabin, an equipment cabin, a toilet, a positive and negative pressure system, a purification system and a power supply and distribution system. When the function of the negative pressure cabin is realized, the guarantee cabin, the toilet and the buffer cabin are negative pressure cabins; and the central control cabin and the equipment cabin are cabins with the same external pressure. The pressure of the toilet is lower than the pressure of the guarantee cabin, the pressure of the guarantee cabin is lower than the pressure of the first buffer cabin, and the pressure of the first buffer cabin is lower than the pressure of the second buffer cabin. When the function of the positive pressure cabin is realized, the guarantee cabin is a positive pressure cabin chamber; and the other cabins are cabins with the same pressure as the external pressure. The positive and negative pressure system is used for controlling air supply and exhaust in the cabin, so that a positive and negative pressure cabin in the cabin is in a set positive and negative pressure state; the purification system is used for filtering viruses and disinfecting and sterilizing through an ultraviolet lamp; and the power supply and distribution system comprises a generator and can supply power uninterruptedly and realize uninterrupted switching of generator power supply, mains supply power supply and power supply in other transportation modes. The purification system is mounted at the air supply outlet and the air exhaust outlet in the cabin, so that the safety in the transportation process is ensured.

The invention discloses a melting repair method for repairing cracks of a stainless steel workpiece and belongs to the technical field of workpiece crack repair. The method comprises the following steps of chiseling away a crack to form a groove type repair cavity; placing a repair reinforcing part with a plurality of meltable cracking bags in the groove type repair cavity, wherein the meltable cracking bags are filled with a stainless steel repair agent; and covering the upper end surface of the groove type repair cavity hermetically by using a heating plate, wherein after heating, the meltable cracking bags in the groove type repair cavity are melted and cracked, the stainless steel repair agent in the meltable cracking bags overflow and fill the groove type repair cavity and form a groove type repair body with the repair reinforcing part, and the groove type repair body embedded with the repair reinforcing part improves the mechanical strength of the whole welding effectively. Meanwhile, by means of a hermetic welding filling method, it is favorable to join the stainless steel repair agent and the inner wall of the groove type repair cavity hermetically. The groove type repair body is unlikely to fall from a repaired part and is unlikely to deform and crack.

The invention relates to a preparation method of a nano-microcapsule adopting chitosan-TPP-KGM as a compound wall material. The preparation method comprises the following steps: preparing chitosan solution with the mass percentage being 0.2-0.5 % (%, w / v), mixing TPP solution with KGM solution, and dropwise adding the mixed liquid of the two substances into the chitosan solution; carrying out magnetic stirring while dropwise adding is carried out till the mixed liquid is completely dropwise added, carrying out further stirring for 15-60 min at 10-50 DEG C, carrying out centrifugalizing, collecting nano-capsules, and carrying out flushing by adopting double distilled water, thus obtaining the chitosan-TPP-KGM compound nano-microcapsule, wherein the CPP-Ca<2+> compound is adopted as a modelmedicine for embedding. The loading rate of the microcapsule for the core material is high, the targeting and slow release effects are very good, and the microcapsule can be widely applied in the aspects including medicine slow release, food industry, biological functional materials, and the like.

The invention discloses a detachable endoscope anastomat, and the endoscope anastomat comprises a fixed handle, an adjusting shifting piece and a drying mechanism; a movable handle is rotatably connected to the left side of the bottom of the fixed handle, the adjusting shifting piece penetrates through a dial to be rotatably connected to a connecting sleeve, and a first gun barrel is fixed to the left end of the connecting sleeve; the left end of the first gun barrel is connected with a second gun barrel in a clamped mode, the left end of the second gun barrel is rotationally connected with a nail bin base, and the drying mechanism is clamped on the protective cover. According to the detachable endoscope anastomat, when the second gun barrel and the first gun barrel are connected together in a left-right clamped mode through the connecting rod and the connecting block, the second arrow indication mark corresponds to the first arrow indication mark, and then the second gun barrel is manually rotated till the second arrow indication mark corresponds to the rotation in-place indication mark; at the moment, the sliding block slides in place in the second sliding groove, the locking effect is conveniently achieved, and after the device is used and the operation is reversely repeated, the second gun barrel and the first gun barrel can be detached.

A Chinese herbal medicine premix for preventing chicken coccocidiosis is characterized by being prepared from the following raw materials (by weight): 1-3% of origanum oil, 0.5-3% of curcumin, 2-8% of garlicin, 0.5-5% of saccharicterpenin, 5-20% of sodium butyrate, 15-60% of betaine, 10-30% of VC ester and the rest of a carrier, namely defatted rice bran. The invention has the following advantages: 1, by adding 0.03-0.1% of the premix into a chicken premix, generation of coccocidiosis can be prevented effectively; 2, when chicken are infected with coccocidiosis, symptoms of coccocidiosis can be effectively relieved by adding 0.07-0.1% of the premix; and 3, the premix of the invention contains no chemical antibiotics and has a good effect of guaranteeing food safety of livestock and poultry.

The invention relates to a pulse signal transformation circuit of an initiating explosive device for a satellite, aiming at solving the problems that the existing pulse signal transformation circuit of the initiating explosive device for the satellite cannot accurately measure the current value of a pulse signal, and a ground circuit has interference to the satellite. The pulse signal transformation circuit of the initiating explosive device for the satellite comprises a load simulation circuit, an opto-coupling isolation circuit and a Hall sensing circuit, wherein the load simulation circuit simulates the loading of the initiating explosive device for the satellite and transmits a current signal to the opto-coupling isolation circuit and the Hall sensing circuit simultaneously, the opto-coupling isolation circuit converts the received current signal analog quantity to digital quantity and transmits the digital quantity to a measurement control unit, and the Hall sensing circuit converts the received current signal to a voltage signal and transmits the voltage signal to a measurement control unit; and the load simulation circuit comprises two resistors connected in parallel, the opto-coupling isolation circuit adopts an SCSL-6400 chip, and the Hall sensing circuit adopts an ACS712ELCTR-05B-T chip. The pulse signal transformation circuit is suitable for micro spacecrafts.

The invention discloses a spherical fruit box filling machine and belongs to the field of technical equipment of fruit box filling. The key point of the technical scheme of the device is as follows: parallel removing rods are arranged at the lower end of a semi-circular accommodating plate; as the two rods are limited in distance, relatively large fruits which meet the specification can roll over,so that fruits can be screened simply and quickly; a blanking device arranged in the device can arrange the fruits sequentially first and then the fruits are placed in a carton through a side by sidecombination device and a buffer strip at the bottom end; the blanking device moves along moving guide rails at two ends to further pave the fruits in the layer of the carton, and a clamp mounted on one side of the blanking device clamps a paper board and moves the paper board to the other side, and the clamp is unloosened, so that the paper board falls into the carton. A telescopic layer board can make the carton descend, so that the blanking device can move front and back to place the fruits in the upper layer. The spherical fruit box filling machine is higher in degree of automation, can arrange and box the fruits sequentially and can pave the paper board automatically to isolate and protect the bottom fruits in a layered manner.

The invention relates to the technical field of electrostatic application, and discloses a device for solution electrostatic spraying. The device comprises a shell and a cavity arranged on the outer wall of the shell, wherein both the shell and the cavity are insulated; a high-voltage electrostatic generating module and a battery are arranged in the shell; the high-voltage electrostatic generating module is connected with a metal elastic piece arranged on the inner wall of the shell through a zero-potential line; a dismountable metal battery cover is arranged on the shell and is in elastic contact with the metal elastic piece after being mounted on the shell; openings are formed in the two ends of the cavity and are used for an injector with a syringe needle to insert; a metal piece with an opening is arranged at the bottom of the cavity; the syringe needle of the injector penetrates through the openings and contacts with the metal piece; in addition, a negative high-voltage input line is arranged between the high-voltage electrostatic generating module and the metal piece. The electrostatic spraying device integrates two functions of electrostatic spraying and electrostatic spinning, greatly reduces the size and weight, and can be held by hands of one person to be independently operated.

The invention relates to a material outboard exposure device which is installed on an outer side platform of an on-orbit spacecraft. The device comprises a base, a load center frame, an installation support, a plurality of experiment boxes and a four-degree-of-freedom inspection mechanical arm, and a notch is reserved in one edge of the base; the load center frame is vertically and fixedly installed in the center of the base; at least one assembling opening is formed in each side, corresponding to the base, of the installation support; the plurality of experiment boxes are respectively and detachably arranged in the at least one assembling opening; one end of the four-degree-of-freedom inspection mechanical arm is rotationally connected to the top end of the load center frame, and the other end is movably located in the notch; an image acquisition device is mounted on the four-degree-of-freedom inspection mechanical arm in a sliding manner; after the other end of the four-degree-of-freedom inspection mechanical arm is moved out of the notch, the experiment boxes are opened, and the exposed surfaces of the experiment boxes are perpendicular to the base and is parallel to the corresponding side of the base; and the four-degree-of-freedom inspection mechanical arm drives the image acquisition device to rotate around the load center frame and inspects the exposed surfaces of the plurality of experiment boxes in sequence.

The invention discloses a multifunctional drawing table for landscape engineering design. The drawing table includes a tabletop baseplate, three groups of storage drawer boxes are movably installed atthe lower portion of the tabletop baseplate, a first supporting leg is fixedly installed on the outer surface of the lower end of the corresponding storage drawer box, a second supporting leg is fixedly installed on the side, close to the first supporting leg, of the outer surface of the lower end of the corresponding storage drawer box, and protective caps fixedly sleeve the front and rear endsof the first and second supporting legs respectively. A storage barrel is fixedly installed on the other side of the first supporting leg, a winding drum is fixedly installed on the outer surface of one side of the tabletop baseplate, a rotary table board is movably installed at the upper portion of the tabletop baseplate, and an adjustable hand wheel is movably installed on the outer surface of the other side of the tabletop baseplate. By means of the multifunctional drawing table for the landscape engineering design, a great protection effect can be achieved on drawing paper, more strength is saved during ascending and descending of the table board, the functionality of the drawing table is improved, and a better use experience is brought.

The invention relates to a culture tail water ditch circulating treatment system. The circulating treatment system comprises a precipitation ditch, a sewage collection conical-bottom round pool, an aeration pool and an ecological pond; a draft tube is communicated with one side of the precipitation ditch, and the other side of the precipitation ditch is communicated with the upper part of one sideof the sewage collection conical-bottom round pool through a fence to form a tangential water inlet channel; the upper part of the other side of the sewage collection conical-bottom circular tank iscommunicated with the upper part of one side of the aeration tank through a primary filter dam; the upper part of the other side of the aeration tank is communicated with the ecological pond through asecondary filter dam; sludge pumping equipment is connected to the bottom of the sewage collection conical-bottom round pool through a sludge discharge pipe; an underwater ultraviolet lamp is arranged in the middle of the sewage collection conical-bottom round pool; the bottom of the water inlet end of the ditch section is horizontally arranged, the bottom of the water outlet end is sunken and inclines towards the water outlet end, and the left and right sides of the water outlet end incline towards the middle to form chutes; a standby blow-off pipe is arranged at the lower end of each chute;and one or more of a biological hairbrush, purified water fishes and an ecological base band is placed in the ditch section according to the characteristics of tail water. The system is good in tailwater purification effect and low in maintenance and operation cost.

The invention relates to the technical field of fabricated buildings, and discloses a fabricated building plane anti-seismic structure. The fabricated building plane anti-seismic structure comprises a foundation, a buffer layer is movably connected to the top of the foundation, a building base plate is fixedly connected to the top of the buffer layer, a building is fixedly connected to the top of the building base plate, and a first elastic pipe and a second elastic pipe which are located in the buffer layer are fixedly connected between the foundation and the building base plate. The fabricated building plane anti-seismic structure has the advantages of good anti-seismic effect and the like, and solves the problems that in the prior art, when an earthquake occurs, a foundation jumps up and down or swings left and right, a building needs to have impact force for resisting up-down jumping or left-right swinging, but an existing fabricated building plane anti-seismic structure is insufficient in earthquake resisting capacity, especially in the aspect of resisting left-right swinging caused by earthquakes, consequently the prefabricated building plane anti-seismic structure is low in practicability.

The invention discloses a method for reducing swelling power of swelling soil by combining physical improvement and loads. According to the specification, the swelling soil can not be used for filling engineering and needs to be replaced with non-swelling soil, and therefore the swelling soil is abandoned and resources are wasted. The method comprises the following steps that a, the depth, thickness and the swelling power magnitude of the swelling soil in a specific site are found out; b, the grain composition of the swelling soil is measured, and mainly the clay content of the swelling soil is found out; c, a scheme for improving the swelling soil is determined according to the stable load magnitude of an upper structure and the swelling power magnitude of the swelling soil; d, even mixing is required in the process of physical improvement on the swelling soil, and the swelling soil is pulverized by a soil pulverizer and mixed with silty-fine sand; and e, the improved swelling soil needs to be subjected to rolling compaction layer by layer to reach the compactness of 90% or above, and in this way, combined with the load of the upper structure, an impermeable layer is well arranged at the bottom of the upper structure so that the swelling power and swelling-shrinking deformation of the swelling soil can be effectively controlled. The swelling soil is sufficiently utilized, and abandonment of the swelling soil is avoided.

The invention discloses a preparation method and application of a diamond / metal-matrix composite material. The high-thermal-conductivity diamond / metal-matrix composite material comprises a diamond reinforcement body and a metal-based material, wherein the diamond reinforcement body comprises diamond and a diamond surface modification layer, the diamond surface modification layer sequentially comprises a diamond transition layer and a diamond-doped shell layer from inside to outside. According to the preparation method, a gas pressure assisted infiltration process technology is adopted, high-purity gas serves as a pressure source and acts on the surface of a molten liquid metal matrix, and high-density compounding of the diamond and the metal-matrix material is achieved; and the preparation method can effectively overcome capillary force in the permeation process, realizes high-pressure seepage forming, and enables the material to be high in heat conductivity coefficient, adjustable in thermal expansion coefficient, better in uniformity and higher in reliability.

An isolating method and an isolating hood for the tracheal intubation of the patient of fulminating infectious disease in respiratory system features that a fully transparent isolating hood is used to fully shield the head of said patient, and two medical isolating gloves are attached to two operation holes on said isolating hood.

The invention discloses a heat radiating device of an inner wall of a wind turbine generator system. A whole is formed through an air discharging barrel, a filtering net, a stopping cover, an upper fixing ring, a vertical air guide plate, a horizontal air guide plate and a lower fixing ring, high temperature air at the upper portion of a tower of the wind turbine generator system is discharged outfrom the air discharging barrel, and foreign matter or rainwater and the like are prevented from entering the device; a supporting frame, a fan motor and a fan impeller are matched so that the high temperature air in the tower of the wind turbine generator system can flow to the air discharging barrel along an air guide opening to be discharged out, and the heat radiating effect can be achieved;and in addition, the effect of replacing air in a liquid discharging pipe and a flow dividing pipe is achieved, the air flowing upwards can be brought away through partial heat of the inner side of the tower of the wind turbine generator system, and the heat radiating effect is strengthened. By means of the heat radiating device, the high temperature air at the upper portion of the tower of the wind turbine generator system can be directly discharged out from the upper portion, the heat inside the tower of the wind turbine generator system can be brought away, the heat radiating efficiency ishigh, the structure is simple, and the overhauling, dismounting and mounting are convenient.

The invention discloses a marine water pump test device. The marine water pump test device includes a motor, a torque meter, a transmission box, a first mounting seat, a sliding seat and a rigid waterinlet pipe; the first mounting seat is detachably connected with a mounting plate, and a first mounting hole corresponding to a water pump to be tested is formed in the mounting plate; the motor, thetorque meter and the transmission box are connected in a transmission mode in sequence, and an output gear of the transmission box is connected to a transmission gear of the water pump to be tested in a transmission mode; and the rigid water inlet pipe slides axially along a center hole of the sliding seat, and a first flange corresponding to a water inlet of the water pump to be tested and a second flange connected with a soft water inlet pipe are separately fixed to two ends of the rigid water inlet pipe. The marine water pump test device has good versatility, is suitable for the test of different types of marine pumps, is convenient to operate, improves test efficiency and reduces the cost.

The invention discloses a method for improving the paint dipping effect of a reinforcing mesh. A production process comprises the following steps of S1, placing the reinforcing mesh in a paint dippingtank I for primary paint dipping; S2, moving the reinforcing mesh subjected to the primary paint dipping to a drying room I from the paint dipping tank I, and conducting primary drying in the dryingroom I; S3, entering a paint dipping tank II for secondary paint dipping after the reinforcing mesh being subjected to the primary drying; and S4, entering a drying room II for secondary drying afterthe reinforcing mesh being subjected to the secondary paint dipping; and the production device of the reinforcing mesh comprises the paint dipping tanks and the drying rooms, the paint dipping tanks comprises the paint dipping tank I and the paint dipping tank II, the drying rooms comprises the drying room I and the drying room II, the paint dipping tank I is arranged at the head end, the drying room II is arranged at the tail end, and the drying room I and the paint dipping tank II are arranged between the paint dipping tank I and the drying room II. According to the method for improving thepaint dipping effect of the reinforcing mesh, the reinforcing mesh is subjected to two times of the paint dipping and two times of the drying, the defect of the primary paint dipping is remedied through of the secondary paint dipping, uneven primary paint dipping is avoided, and the problems of paint blistering, cracking and shelling of the reinforcing mesh are solved.

The invention discloses an intelligent electric control device for an electric door lock based on RFID and a working method thereof. The device comprises an RFID remote controller, an RFID decoder, a logical judgment circuit, an electric lock switch control circuit, a silence control circuit, an electric lock state feedback detection circuit, a buzzer warning circuit and a storage battery state detection circuit. According to the invention, the device is kept in a normally closed lock state when no operation is executed after electrifying, so that the locking state of a vehicle door can be kept after the power supply of the device recovers the normal power supply under the condition of accident outage or unstable instantaneous voltage. The logical judgment circuit, the electric lock state feedback detection circuit and the electric lock switch control circuit of the device are all arranged as double-loop redundant protecting circuits, and the damage to one circuit can not result in control failure. The device disclosed by the invention is suitable for an economical RFID intelligent electric control device adopted by the railway industry; the intelligent electric control device can be used together with a common electric door lock; and an RFID radio-frequency signal is not interfered while the safety and reliability are ultrahigh.

The invention discloses a pre-embedded oxygen-free packaging detection method for an integrated circuit board, belongs to the technical field of circuit packaging, and can realize innovative embeddingof a pre-embedded detection rod in the packaging process of the integrated circuit board; therefore, on the one hand, leads can be conveniently led out of a packaging body from the integrated circuitboard; on the other hand, oxygen detection can be carried out in the encapsulation body in a water supply triggering mode after encapsulation is finished, oxygen is consumed while the oxygen is detected in a first communication and air suction mode, then stable carbon dioxide gas is released, residual oxygen can be expelled, residual oxygen is reduced, and the residual oxygen is pre-stored in theencapsulation body, so even if air leakage occurs in the later period, external air can be prevented from entering by utilizing the filling property of carbon dioxide, so certain time is provided foroverhauling of technicians, and the packaging quality of the integrated circuit board is improved.

The invention aims to provide an encrypted communication security module special for power that satisfies the requirements of distribution network terminals, small hydropower generation data collection and marketing smart electric meter data collection, can be directly embedded into various types of terminals and instruments in a security module manner, and can meet various types of application requirements. The security module includes a security encryption CPU using an SOC architecture, wherein the security encryption CPU extends a plurality of interfaces through bus and serial port resources, the plurality of interfaces include a power interface connected to an external power supply, a storage interface of external storage equipment, an input interface and an output interface, the inputinterface is a serial port or a network interface, the output interface is a network interface or a GPRS interface, the network interface and / or the GPRS interface are / is provided with a network isolation transformer, the serial port is provided with an isolated RS232 conversion chip, the power interface is provided with an EMC circuit and an anti-reverse circuit, and the input interface and theoutput interface are both provided with an anti-DOS attack module. The invention can be applied to the field of security communication.

The invention discloses a production technology of nano-CuS. Nano-CuS particles are prepared from CuCl2.2H2O and Na2S.9H2O through dissolving, filtering, mixing, thickening, vacuum filtering and drying processes. The technology has the advantages of easily available raw materials, low prices, no generation of wastes polluting environment in the reaction process, and environment requirement meeting. The nano-CuS produced in the invention can be used as a lubricating oil additive to greatly improve the performances of lubricating oil in order to meet market demands.

The invention discloses a connecting wire for automobile sensors. The invention relates to the technical field of sensor parts. The connection wire comprises a plurality of pins, wherein the pins areexternally wrapped with an inner wrapping sleeve, the outer wall of the inner wrapping sleeve is provided with transmission lines, the transmission lines and the corresponding pins are fixedly connected through connection terminals, the outer sides of the connection terminals are provided with a heat shrinkable sleeve each, and the inner wrapping sleeve and the heat shrinkable sleeves are externally wrapped with an outer sleeve. The other ends of the transmission lines re connected with two connecting clips and then fixedly connected with the tail clip terminals. Bellows are put on the outer sides of the transmission lines. The pins and the transmission lines are fixedly connected through the connection terminals, so that the signal transmission effect is good; the heat shrinkable sleevesare arranged on the outside of the connection terminals, and when the injection molding of the outer sleeve is used, the heat shrinkable sleeves are tightly wrapped on the outside of the connection terminals by the high temperature, so that the sealing effect is achieved; the bellows can concentrate the transmission lines together in a sleeving manner to prevent the transmission line from geetingloose, thereby playing a role in isolation and protection; multiple isolation and protection improves the safety of connecting wires and reduces the rate of defective products.