39results about How to "Easy to integrate and use" patented technology

The invention discloses an ultrasonic pulse transmitting-receiving system based on FPGA control. The ultrasonic pulse transmitting-receiving system uses FPGA as a control chip and utilizes VerilogHDL language for programming of hardware of a chip; and a PCI bus is employed for data transfer between a PC industrial control computer and a core controller. The system comprises an ultrasonic excitation module, a receiving module, a high-voltage protection module, a power supply module and a control module, wherein the receiving module comprises a primary amplification circuit, an optional low-pass filter circuit, a time gain compensating circuit and an optional high-pass filter circuit. The ultrasonic pulse transmitting-receiving system provided by the invention has a set of complete functions and has the advantages of good functions, stable performance, low power dissipation, reasonable cost and wide application occasions and development space.

The invention provides a small-size three-in-one multi-frequency ceramic antenna which comprises a ceramic substrate, wherein two ends of the ceramic substrate are connected with a first frequency band antenna part and a second frequency band antenna part respectively, and the distance between the other end of the first frequency band antenna part and the other end of the second frequency band antenna part is very small to enhance coupling between the first frequency band antenna part and the second frequency band antenna part, produce good resonance, and improve isolation. The first frequency band antenna part and the second frequency band antenna part are connected with a communication module to receive video signals of different frequency bands, and a third frequency band antenna part is arranged between the first frequency band antenna part or the second frequency band antenna part and the communication module to receive radio-frequency signals of a third frequency band. A metal sheet and two grounding parts are arranged below vertical projections of the first frequency band antenna part and the second frequency band antenna part on the ceramic substrate, one end of each grounding part is connected with the metal sheet in a welded mode, the other end of each grounding part is grounded, the isolation is improved, and the resonance is regulated. The small-size three-in-one multi-frequency ceramic antenna can be used in two or more than three frequency bands, and the isolation among all the frequency bands is good.

The invention discloses a plane solid high-voltage switch for solving the unstable performance problem of the gas insulated high-voltage switch. The plane solid high-voltage switch comprises an insulating substrate, a positive electrode, a positive electrode welding plate, a negative electrode, a negative electrode welding plate, a trigger electrode, two trigger electrode welding plates and an insulating barrier, wherein the positive electrode, the positive electrode welding plate, the negative electrode, the negative electrode welding plate, the trigger electrode and the trigger electrode welding plates are positioned on the surface of the insulating substrate; the insulating barrier covers the positive electrode, the negative electrode and the trigger electrode positioned therebetween; the positive electrode welding plate and the positive electrode are connected; the negative electrode welding plate and the negative electrode are connected; and the two trigger electrode welding plates are connected with two ends of the trigger electrode. The safety and the reliability of the switch during use are improved.

The invention discloses a preparation method of a solid phosphate electrode based on aluminum and aluminum phosphate. The preparation method comprises the following steps of 1) placing an aluminum conductor sequentially in acetone and diluted acid for washing, and drying the aluminum conductor after being washed; 2) preparing a phosphoric acid solution; 3) immersing the aluminum conductor as a working electrode, graphite as a reference electrode and a platinum (Pt) sheet as an auxiliary electrode in the phosphoric acid solution, forming white aluminum phosphate precipitate on the surface of the aluminum conductor by utilizing a cycling scanning potential method, placing the aluminum conductor in alcohol, and then airing the aluminum conductor; 4) preparing a cation screened film solution by utilizing reagent of the Sigma company; 5) utilizing the aluminum conductor which is wrapped by the aluminum phosphate to rapidly dip into the cation screened film solution, and inverting the aluminum conductor for airing; and 6) utilizing a thermoplastic pipe to wrap the middle-upper part of the aluminum conductor, which is not wrapped by the aluminum phosphate or the cation screened film to obtain the solid phosphate electrode. The solid phosphate electrode prepared by the preparation method has the advantages of low cost, high mechanical strength, high sensitivity, small size, rapid detection response, minimal detection lower limit, long service life and the like.

The invention provides a water jet auxiliary rock breaking system and method carried on a TBM. The system comprises a water supply mechanism, a power mechanism and a transmitting and jetting mechanism. The water supply mechanism and the power mechanism are both arranged at the front end of a TBM complete machine first tackle connecting bridge; and the water supply mechanism provides a fluid sourceand filters and softens fluid, the power mechanism can apply pressure to the fluid, the fluid with certain pressure can enter the transmitting and jetting mechanism, the fluid is released at the tailend of the transmitting and jetting mechanism to the position of TBM cutterhead, high-pressure jet is formed, and TBM hob rock breaking is assisted. The system can deal with different kinds of waterjet target pressure and target flow by adjusting the integration number of pressurizing branches; the pressure of the fluid is adjusted through the arrangement of a safety valve and an air control unloading valve, and the transmission safety and the fluid pressure are guaranteed; through selection and paving of soft and hard pipes of fluid conveying pipelines, energy losses generated in the fluidconveying process are reduced to the maximum degree; and the overall design is safe, reliable and practicable.

The invention discloses a metal / rare earth carbonate-based solid carbonate electrode and a preparation method thereof. The metal / rare earth carbonate-based solid carbonate electrode comprises a metal wire, a rare earth carbonate, a cation shielding film and a heat-shrinkable tube, wherein a rare earth carbonate layer is electroplated on the lower surface of the metal wire in an in-situ mode; the cation shielding film is coated on the external surface of the rare earth carbonate; and the heat-shrinkable tube is coated on the middle part of the metal wire and the upper part of the cation shielding film. The metal / rare earth carbonate-based solid carbonate electrode has the advantages of high mechanical strength, high toughness, high sensitivity, small size, quick detection response, low detection lower limit, long service life and the like, is matched with a solid reference electrode, and is suitable for performing on-line detection and long-term in-situ monitoring on the carbonate ion content in seawater, culture water and chemical and chemical engineering water media.

The invention relates to the field of data positioning, and discloses a positioning method and device for C + + program crash, equipment and a storage medium. The method comprises the following steps of: establishing a memory database based on a static hash function; according to a preset FUNCSIG function, reading a function name of a calling function in the memory database; judging whether the calling function in the memory database is executed or not; if the execution is finished, clearing the function name of the calling function in the memory database; and if the execution is not finished, reading a function name in a crash interception port of the C + + program, and writing the function name into a preset record log.

The invention discloses a movable desorption device of activated coke. An inlet blocking valve, a heating chamber, a reaction chamber, a cooling chamber and an outlet blocking valve are sequentially connected from top to bottom in the reactor main body; the heating chamber is provided with a heating heat exchanger therein which is connected with a thermal source device; a cooling heat exchanger isarranged in the cooling chamber; a preheating chamber is arranged between the inlet blocking valve and heating chamber and provided with a preheating heat exchanger, which forms a heat circulating system with a circulating medium heat exchanger, a circulating pump and the cooling heat exchanger; a first cloth gas guide mechanism is arranged between the preheating chamber and heating chamber; a second cloth gas guide mechanism is arranged between the heating chamber and reaction chamber; and the first and second cloth gas guide mechanisms are respectively connected with a gas recovery suctionpump for recycling desorption gas. The invention has higher utility ratio of heat energy by redesigning each part in the reactor, and has more complete air suction, higher desorption efficiency and less corrosion to devices by adding the cloth gas guide mechanisms.

The invention relates to a UHF waveband satellite communication dual-band circularly polarized antenna device which comprises a reflection cavity. The reflection cavity comprises an antenna floor and floor electric field coupling plates. A microwave dielectric slab is arranged in the reflection cavity, an excitation patch is arranged on the microwave dielectric slab, and a parasitic patch is arranged over the excitation patch. The edge of the parasitic patch is provided with vertically-downward patch electric field coupling plates, and the patch electric field coupling plates are parallel to the floor electric field coupling plates. Gaps exist between the patch electric field coupling plates and the floor electric field coupling plates, and the patch electric field coupling plates and the floor electric field coupling plates are coupled in a staggered mode in the vertical direction. The UHF waveband satellite communication dual-band circularly polarized antenna device is compact in structure, the size of an antenna can be effectively decreased, the wave beam width of the antenna is increased, the weight is low, production is easy, the cost is low, the application range is wide, and safety and reliability are achieved.

The invention relates to an adaptive heating start-stop circuit and a temperature monitoring and detection circuit. The circuit includes: a temperature relay, a solid state relay, a photoelectric coupler, a heating component, and a filter circuit; the filter circuit includes a filter resistor and a filter capacitor; one end of the temperature relay is connected to a high voltage, and the other end of the temperature relay is One end is electrically connected, the other end of the heating component is grounded, the filter circuit is connected in parallel to the heating resistor, the two ends of the filter circuit are connected in parallel with a photocoupler, the output of the photocoupler indicates whether heating is in progress, and the control terminal of the solid state relay is connected to the control Control signal for opening and closing of solid state relays. The invention makes available more components and circuits with slightly lower quality levels but stable and controlled procurement, improves the ability of the system to resist harsh environments, and reduces the development cycle and cost of the system.

The invention discloses a rare earth / rare earth carbonate-based solid carbonate electrode and a preparation method thereof. The rare earth / rare earth carbonate-based solid carbonate electrode comprises a rare earth wire, a rare earth carbonate, a cation shielding film and a heat-shrinkable tube, wherein a rare earth carbonate layer is electroplated on the lower surface of the rare earth wire in an in-situ mode; the cation shielding film is coated on the external surface of the rare earth carbonate; and the heat-shrinkable tube is coated on the middle part of the rare earth wire and the upper part of the cation shielding film. The rare earth / rare earth carbonate-based solid carbonate electrode has the advantages of high mechanical strength, high toughness, high sensitivity, small size, quick detection response, low detection lower limit, long service life and the like, is matched with a solid reference electrode, and is suitable for performing on-line detection and long-term in-situ monitoring on the carbonate ion content in seawater, culture water and chemical and chemical engineering water media.

The invention discloses a flapping wing flight adopting a compound flapping mode. The flapping wing flight comprises a flight body, flapping wings and a tail fin. The rotation of a rotary power device is converted into vertical reciprocating flapping motions of a rocker arm by a flapping wing drive mechanism; each flapping wing comprises a main beam on the front edge and an auxiliary beam behind the main beam; the root of the main beam is connected with a blind hole in the rocker arm of the flapping wing drive mechanism in an inserting manner; the root of the auxiliary beam is hinged with a locking device on the flight body; a limiting rod fixedly connected to the flight body is clamped into a locker fixedly connected to the flight body after penetrating a connecting hole in the root of the auxiliary beam of the flapping wing in a manner of being parallel to a symmetrical plane of the flight body; and the length of the limiting rod can ensure that the connecting hole of the auxiliary beam of the flapping wing is driven to move forwards and backwards on the limiting rod along the vertical flapping motions of the flapping wing without being interfered by the motion of the locking device in the flapping process of the flapping wings. The invention has the advantages of high aerodynamic efficiency, large effective load and interior space and good dynamics performance under all kinds of typical flight modes.

The invention discloses a high-speed optical delay line chip and device. The high-speed optical delay line chip comprises a channel selection module, a detector module, an annular waveguide module anda closed-loop reflection waveguide module. The channel selection module comprises N stages of thermo-optical switches, wherein the first stage to the (N-1) th stage thermo-optical switches are MZ-MMIthermo-optical switches, and the Nth stage thermo-optical switch is a 1 * 2 MMI thermo-optical switch; the high-speed optical delay line device comprises the high-speed optical delay line chip, a shell, an optical fiber, an optical fiber socket, a lens, a substrate and a power supply module, wherein the optical fiber socket is arranged on the outer side of the shell, the optical fiber is connected with the optical fiber socket, the lens is arranged between the optical fiber socket and the shell, the substrate is arranged in the shell, and the high-speed optical delay line chip is arranged onthe substrate and connected with the power supply module arranged in the shell. The advantages of miniaturization, light weight and high scanning speed can be realized.

The present invention proposes an implementation method for integrating multiple signature encryption algorithms, including: receiving and parsing the information assembly structure in the request message according to the service type requested by the user, and placing the parsed information assembly structure in the message queue Medium; multiple processes in the process pool obtain the business request information in the message queue in parallel, call the signature encryption algorithm for the business request information to perform signature encryption, generate a key pair, and send the generated key pair; according to the requested service type and The parameter format assembles the generated key pair into a response message, and sends the response message back to the user. The invention also proposes an implementation system integrating multiple signature encryption algorithms, which effectively solves the problem of not being able to meet the needs of multiple users for integrated use. Scenarios and the inability to implement multiple encryption algorithms have effectively improved the diversity and flexibility of data encryption.

A low-temperature heating system and method for an electric vehicle battery based on hydraulic energy storage, including a generator, a hydraulic pump, a hydraulic motor, a transmission belt, a clutch, a DC / DC converter, a heating film, a battery pack, a one-way valve I, and a one-way valve Ⅱ. Energy storage control valve, heating control valve, overflow valve, accumulator group, pressure relay, controller and temperature sensor. The system utilizes a hydraulic energy storage device and regenerative braking energy to achieve rapid heating of the power battery when the electric vehicle starts at low temperature without an external heating source. This method is simple and reliable, and is easy to integrate with other heating methods, which can make up for the problem that battery self-heating is difficult to implement at a lower state of charge, thereby effectively solving the problem of large battery performance degradation and large battery performance when the electric steam is started under low temperature and severe cold conditions. The problem of poor work performance.

Provided is a BMK telemetry data switching selection module with the channel selection function. The BMK telemetry data switching selection module with the channel selection function comprises an FPGA subunit, a power supply subunit, a channel strobing control address buffering subunit, a BMK telemetry data receiving sub-module, a BMK telemetry data forwarding sub-module, an indicating circuit sub-module and a clock circuit, wherein the power supply subunit is arranged on the upper left portion of the FPGA subunit, the channel strobing control address buffering subunit is arranged on the left side of the FPGA subunit, the BMK telemetry data receiving sub-module is arranged below the FPGA subunit, the BMK telemetry data forwarding sub-module is arranged above the FPGA subunit, the indicating circuit sub-module is arranged on the upper right portion of the FPGA subunit, and the clock circuit is arranged on the right side of the FPGA subunit. According to the BMK telemetry data switching selection module with the channel selection function, the number of BMK telemetry data acquisition cards is greatly reduced when collection is carried out on BMK telemetry data sent by more than one tested product, hardware cost is reduced, the number of bus expansion slots of a test computer system is reduced, and the BMK telemetry data switching selection module with the channel selection function is high in cost performance , and can be conveniently used in an integrated mode.

The invention relates to a PIN switch with high stable isolation. The PIN switch comprises a kovar backing plate whose upper surface is provided with multiple grooves and protruding grooves with intervals, and the two ends of the kovar backing plate are the grooves. The PIN switch also comprises multiple dielectric substrates which are correspondingly arranged on the grooves and can be bonded to the kovar backing plate. Each of the dielectric substrates is provided with a microwave signal conduction band for transmiting a microwave signal. The PIN switch also comprises multiple PIN diode chips for controlling the on and off of the microwave signal, and the multiple PIN diode chips are corresponding arranged on the protruding grooves and can be bonded to the kovar backing plate. The PIN switch also comprises multiple bonding lines which are bonded with the microwave signal conduction bands connected between every two adjacnet dielectric substrates and the cores of the PIN diode chips, the distance between each two PIN diode chips is 1 / 4 wavelength which indicates the transmission wavelength of the microwave signal on the dielectric substrates. By using a modularization design, the integration use is easy, the degree of isolation is high, the isolation has high stabilization consistency, the PIN switch is used in a multichannel microwave system, and the stabilization consistency of signal turn-off can be realized.

The invention relates to the field of data positioning, and discloses a C++ program crash positioning method, device, equipment and storage medium. The method includes: establishing a memory database based on a static hash function; reading the function name of the calling function in the memory database according to a preset FUNCSIG function; judging whether the calling function in the memory database has been executed; , then clear the function name of the calling function in the memory database; if the execution is not completed, then read the function name in the crash interception port of the C++ program, and write the function name into the preset record log .

The invention discloses a graphene structure, a graphene device, and manufacturing methods thereof. The graphene structure manufacturing method comprises the steps of providing a substrate which has a trench, forming spaced catalyst layers in the trench along the trench direction, and growing a graphene layer on the upper end face of the catalyst layers. A graphene strip is formed by forming the spaced catalyst layers in the trench and growing the graphene layer on the upper end face of the catalyst layers. The method is especially suitable for preparing a nano strip of smaller size, can be easily used in a large-scale integrated manner, and can easily integrate a graphene device.

The invention provides a small-size three-in-one multi-frequency ceramic antenna which comprises a ceramic substrate, wherein two ends of the ceramic substrate are connected with a first frequency band antenna part and a second frequency band antenna part respectively, and the distance between the other end of the first frequency band antenna part and the other end of the second frequency band antenna part is very small to enhance coupling between the first frequency band antenna part and the second frequency band antenna part, produce good resonance, and improve isolation. The first frequency band antenna part and the second frequency band antenna part are connected with a communication module to receive video signals of different frequency bands, and a third frequency band antenna part is arranged between the first frequency band antenna part or the second frequency band antenna part and the communication module to receive radio-frequency signals of a third frequency band. A metal sheet and two grounding parts are arranged below vertical projections of the first frequency band antenna part and the second frequency band antenna part on the ceramic substrate, one end of each grounding part is connected with the metal sheet in a welded mode, the other end of each grounding part is grounded, the isolation is improved, and the resonance is regulated. The small-size three-in-one multi-frequency ceramic antenna can be used in two or more than three frequency bands, and the isolation among all the frequency bands is good.

The invention discloses a silver / metal phosphate-based solid phosphate electrode and a preparation method thereof. The silver / metal phosphate-based solid phosphate electrode comprises a silver wire, a metal phosphate, a cation shielding film and a heat-shrinkable tube, wherein a metal phosphate layer is electroplated on the lower surface of the silver wire in an in-situ mode; the cation shielding film is coated on the external surface of the metal phosphate; and the heat-shrinkable tube is coated on the middle part of the silver wire and the upper part of the cation shielding film. The silver / metal phosphate-based solid phosphate electrode has the advantages of high mechanical strength, high toughness, high sensitivity, small size, quick detection response, low detection lower limit, long service life and the like, is matched with a solid reference electrode, and is suitable for performing on-line detection and long-term in-situ monitoring on the phosphate ion content in seawater, culture water, industrial cycle cooling water and boiler water.

The invention discloses a doped polyaniline based solid acid radical electrode and a preparation method thereof. The solid acid radical electrode comprises a metal wire, polyaniline and acid radical doped polyaniline, and the latter is an acid radical ion sensitive membrane. During preparation, a layer of polyaniline is firstly electroplated on the lower surface of the metal wire, and then by means of electrochemical action in an acid solution or salt solution, acid radical doped polyaniline can be formed. The doped polyaniline based solid acid radical electrode prepared by the method provided by the invention has the advantages of simple preparation, high mechanical strength, large toughness, high sensitivity, small volume, fast detection response, low detection lower limit, and long service life, etc. And the doped polyaniline based solid acid radical electrode can support the use of all solid-state reference electrodes, and is suitable for on-line detection and long-term in-situ monitoring of the content of acid radicals in seawater, aquaculture water and chemical water media.