43results about How to "Realize flow control" patented technology

The invention discloses a stepless regulation constant tension device for a hydraulic winch, consisting of a power pump set, a reversing valve, a hydraulic motor, a winch, a one-way valve, a balance valve and a motor safety valve, wherein the power pump set is connected with an oil inlet of the reversing valve; a first oil exchange port of the reversing valve is connected with an oil return port of the balance valve; an oil inlet of the balance valve is connected with a rope folding side oil port of the hydraulic motor; a rope release side oil port of the hydraulic motor is connected with a second oil reversing port of the reversing valve; an oil outlet of the reversing valve is connected with an oil tank; a control port of the balance valve is connected with an oil path between the rope release side oil port of the hydraulic motor and the reversing valve; the one-way valve is connected between the oil inlet and the oil return port of the balance valve in parallel; the motor safety valve is connected between the rope folding side oil port and the rope release side oil port of the hydraulic motor in parallel; and the winch is connected with the hydraulic motor. The device achieves the function of keeping the tension of a steel wire rope constant when the hydraulic winch is positioned under various work conditions and can be used for carrying out remote on-line adjustment on theoutput capacity of the hydraulic winch. The stepless regulation constant tension device has the advantages of simple structure, low cost, convenience for use and high safety.

Embodiments of the present application provide a flow control method, a switch chip and a network device. On one hand, the embodiments of the present application realize flow control of massages on acertain degree at an entrance of the switch chip by setting entry ACLs with multiple protocol types at the entrance of the switch chip. On the other hand, the embodiments of the present application realize the flow control of protocol massages which are need to be send to CPU by configuring hardware queues with different priorities for protocol massages with different protocol types, and send theprotocol massages to the CPU in turn, according to the priority between multiple hardware queues. The embodiments of the present application realize the flow control of the protocol massages that needto be sent to the CPU on the switch chip by setting entry ACLs at the entrance of the switch chip and configuring the hardware queues with different priorities for the protocol massages with different protocol types. The whole process does not require the participation of the CPU, thereby helping to reduce the CPU resource consumption and reducing the running load of the CPU.

The invention discloses an automatic control heat source specially-produced single-mode fiber for hydraulic engineering seepage monitoring. The fiber sequentially includes, from inside to outside, a single core fiber, an inner protection elastic layer, a heat insulation steel ring, an inner-layer filling ring, an elastic hard ring and an antiseepage heat insulation hard sleeve ring. The single core fiber is connected to a plurality of outer circular guard pipes. The outer circular guard pipes sequentially pass through the inner protection elastic layer, the heat insulation steel ring, the inner-layer filling ring and the elastic hard ring to be connected with the antiseepage heat insulation hard sleeve ring. Each outer circular guard pipe is filled with a drainage water storage cotton sleeve, the drainage water storage cotton sleeve is connected to a second filter screen, and the second filter screen is connected to a first filter screen. The inner protection elastic layer, the heat insulation steel ring, the inner-layer filling ring, the elastic hard ring and the antiseepage heat insulation hard sleeve ring are disposed outside the single core fiber, so automatic temperature changing of the single core fiber can be achieved. Moreover, a great temperature difference is formed between the single core fiber and an environment, so the seepage identification level and the practicality can be substantially improved when the fiber is applied to seepage monitoring.

The invention provides a three-way valve. The three-way valve comprises a valve body, a rotor assembly, a nut assembly, a threaded rod assembly and a valve head assembly. The valve body is provided with a first connector, a second connector, a third connector. The valve body is internally provided with a first valve opening and a second valve opening. The first valve opening is used for communicating with the first connector and the second connector, and the second valve opening is used for communicating with the first connector and the third connector. The nut assembly is fixedly arranged relative to the valve body. The threaded rod assembly is screwed to the nut assembly. The rotor assembly is arranged on the threaded rod assembly and drives the threaded rod assembly to rotate relative to the nut assembly. The valve head assembly comprises a first valve head cooperating with the first valve opening and a second valve head cooperating with the second valve opening. The valve head assembly cooperating with the threaded rod assembly and is driven by the threaded rod assembly to adjust the opening degree of the first valve opening and the opening degree of the second valve opening. According to the three-way valve, control over the flowing direction of fluid and the flow adjusting of the fluid can be achieved, the structure is simple, and the part cost is reduced.

The present invention discloses a processing method of a VPN (Virtual Private Network), a PE (Provider Edge) device and a system. The invention aims to realize the control of a routing direction during a process in which a PE device sends a VPN data message. According to the embodiments of the invention, the processing method of the VPN comprises the following steps that: a first PE device receives a first IP route issued by a first CE (Customer Edge) device and receives a second IP route issued by a second CE (Customer Edge) device, and IP address prefixes carried by the first IP route and the second IP route are identical; the first PE device obtains a first VPN route according to the first IP route and obtains a second VPN route according to the second IP route, wherein the first VPN route carries a first Sub RD (Router Distinguisher) and a first tag for identifying the first Sub RD, and the second VPN route carries a second Sub RD (Router Distinguisher) and a second tag for identifying the second Sub RD; and the first PE device issues the first VPN route to the second PE device and issues the second VPN route to the second PE device.

The invention discloses a security label-based USB anti-ferry method. The method comprises the following steps of: automatically operating a trusted process when a system is started, and loading a file filtering drive program, an application layer filtering hook and a kernel protection program; when a user uses an external USB storage medium, sensing insertion and pulling out of the USB storage medium by the file filtering drive program, recording the current state of the system, controlling the read-only authority, for the USB storage medium of an un-trusted process, and forbidding the loading operation of an executable file in the USB storage medium; generating a secret-involved file by the user and adding a security label for a to-be-transmitted file; copying the file with the security label to the USB storage medium by the user through the trusted process; and protecting the trusted process by adoption of the kernel protection program. The method disclosed by the invention is higher in security, lower in cost and better in user experience.

The invention relates to a rotational flow gas-liquid uniform distribution type sewage treatment device, a sewage treatment system and a sewage treatment method. The device comprises a tower body, a gas-liquid inlet is formed in the bottom of the tower body, a sewage outlet and a tail gas outlet are formed in the top of the tower body, and a bearing pore plate is arranged in the tower body and divides the interior of the tower body into an upper catalytic oxidation chamber and a lower gas-liquid mixing chamber; a plurality of re-distribution holes are formed in the bearing pore plate; a rotational flow gas-liquid uniform distribution mechanism is mounted in the lower gas-liquid mixing chamber; flow baffles are arranged in the upper catalytic oxidation chamber, one side of each flow baffle is provided with a folded edge which is bent downwards, every two adjacent flow baffles are arranged in a staggered mode, the circumferential side walls of the flow baffles are tightly attached to the inner wall of the tower body, a liquid phase ascending channel is arranged between the folded edges and the inner wall of the tower body, and a plurality of air holes are formed in the upper surfaces of the flow baffles at intervals in the circumferential direction; and the upper catalytic oxidation chamber is also filled with a catalyst. Through the design of the rotational flow gas-liquid uniform distribution type sewage treatment device, the technical problems of low ozone catalytic oxidation efficiency and high operation cost in the prior art are solved.

The invention provides a molten steel feeding system used for preparing amorphous strips. The molten steel feeding system comprises a resistance heating tundish and an induction heating nozzle bag, wherein the resistance heating tundish is used for receiving molten steel and purifying the molten steel; the induction heating nozzle bag is arranged below the resistance heating tundish, used for receiving the molten steel injected by the resistance heating tundish and used for conducting temperature regulating on the molten steel; and a nozzle is arranged below the induction heating nozzle bag and used for pouring of the molten steel. By means of the molten steel feeding system used for preparing the amorphous strips, inclusions in the molten steel can float up so as to achieve the aim of purifying the molten steel; and meanwhile, the temperature of the molten steel can be rapidly adjusted, and the temperature needed for preparing the amorphous strips is achieved.

The invention discloses a temperature self-control water tank of a solar water heating system. The temperature self-control water tank of the solar water heating system is mainly composed of a water storage tank, a sunshade, a tubular structure heat sink and relative control valves. A magnetic valve controls flow direction of hot-water of a system heat collector, and excess heat obtained by the system is diffused in the air through the auxiliary water tank, and thereby the purposes of limiting the water temperature to rise and achieving the water tank temperature being controlled at 60 degrees or set as needed in summer are achieved. The amount of hot water design of Jiangsu area is added to 2 square meters per hectoliter from the existing 1.43 square meters per hectoliter to break through value range of national standard 'GB 50364-2005'. Warming temperature per day of storing water in winter is improved. Rate of winter auxiliary energy consumption reduces from 46.6% to 25% and reduces by 46% compared with the existing rate and per ton of hot water more saves 9.6 watts of electricity. The system heat collector assembled by a solar energy 'fin-type heat pipe' heat collecting pipe (201110023016.0) is especially selected, auxiliary energy consumption is further reduced, per ton of the hot water more saves 20.6 watts of the electricity in winter, and reliability, economical efficiency and energy-saving effect of a hot water system are improved. The temperature self-control water tank of the solar water heating system has the advantages of being reasonable in structure and design, simple in technology, convenient to install and use and the like.

The invention provides a ring-pull can having the anti-counterfeiting function and an anti-counterfeiting verification method thereof, belongs to the technical field of a ring-pull can and solves problems that anti-counterfeiting setting in the prior art is not for each independent product and can be easily copied. The ring-pull can having the anti-counterfeiting function comprises a ring-pull can body and a product anti-counterfeiting verification identifier arranged on the ring-pull can body, wherein the product anti-counterfeiting verification identifier comprises a two-dimensional code and a verification character, the two-dimensional code is arranged on an outer surface of the ring-pull can body and can be directly read by scanning equipment, the verification character is hidden under a film or hidden in the ring-pull can body, the verification character can be exposed through scratching the film or opening the ring-pull can body, the scanning equipment is utilized to scan the two-dimensional code and then is accessed to a display page, and the verification character is inputted according to prompt to verify a product. The ring-pull can having the anti-counterfeiting function can realize anti-counterfeiting setting.

The invention discloses a power flow control device, method and system. The device comprises a two-stage synchronous motor, has the fault isolation capability and harmonic suppression capability, provides short-circuit capacity support and voltage support for a power grid through the M suction and generation reactive power capability of the synchronous motor, and maintains the stability of the system voltage and the new energy grid-connected point voltage. The amplitude-adjustable voltage is output through the synchronous motor G and a series transformer, the equivalent impedance of a line is changed, and power flow control is achieved.

The invention discloses an automatic-pressure-control liquid control container. The container comprises a container body and a partition plate, the partition plate is arranged in an inner cavity of the container body and partitions the inner cavity of the container body into a first cavity and a second cavity, the container is provided with a first port and a first sealing end cover, and a strip-shaped area is arranged on the surface of the partition plate; multiple water-permeating holes are formed in the strip-shaped area, the width of the strip-shaped area is directly proportional to the thickness of the partition plate, and the diameter of each water-permeating hole is inversely proportional to the width of the strip-shaped area. By forming all the water-permeating holes in the partition plate in the container in the strip-shaped area, the strip-shaped area is switched between the horizontal state and the inclined state, and the two functions of stopping liquid and permeating liquid are achieved. The strip-shaped area is in the horizontal state or the inclined state, which is in practice equal to a control switch for controlling switch-on and switch-off, the structure is simple, the limit of traditional mechanical water locking structures is broken through, and the container better accords with the food hygiene and safety standard, and is greener and healthier.

The invention discloses application of an alkane oxygen carrier in increasing yield of polymalic acid of aureobasidium pullulans. The application method comprises the following steps: activating aureobasidium pullulans and then fermenting in a culture medium containing the alkane oxygen carrier. Compared with the prior art, the invention discloses a method for increasing the yield of polymalic acid and restraining pullulan synthesis by utilizing the alkane oxygen carrier. A low-concentration alkane oxygen carrier is used for establishing a directional regulation strategy, the carbon metabolism flow direction regulation for the polymalic acid and pullulan synthesis is realized, the synthesis of the side product pullulan is restrained, the yield of the main product polymalic acid is increased, and meanwhile, the added alkane oxygen carrier within the concentration scope will not restrain the growth of the aureobasidium pullulans cells.

The invention discloses a micro-strip plate and substrate welding device and a using method. Each micro-strip plate comprises a welding surface and a mounting surface opposite to the welding surface, the welding surfaces are used for welding the substrates, and the mounting surfaces are used for mounting components. The micro-strip plate and substrate welding device comprises a plurality of welding pieces, a welding tool and welding equipment; each welding piece is arranged between the corresponding substrate and the welding surface of the corresponding micro-strip plate, and each welding piece, the corresponding substrate and the corresponding micro-strip plate form a to-be-welded assembly; the welding tool is used for bearing each to-be-welded assembly and flattening the micro-strip plate in each to-be-welded assembly; and the welding equipment is used for containing the welding tool and melting the welding piece in each to-be-welded assembly on the welding tool, so that the corresponding substrates and the micro-strip plates are bonded. According to the micro-strip plate and substrate welding device, welding of the micro-strip plate and the substrate can be realized, and the welding quality and the welding efficiency can be effectively improved.

The invention provides an energy router based on the fusion of an information physical system. The energy router comprises a monitoring module, a communication module, an information processing module, an intelligent control module, an electric power electronic solid module, an electric energy interface module and an energy storage module; the monitoring module transmits the monitored information to the information processing module through the communication module, the information processing module transmits the data after the operational processing to the intelligent control module, the intelligent control module transmits the control information to other modules of the energy router so as to control the energy router to realize the transformation, bi-directional transmission and coordinative operation of the electric energy, and the energy storage module is used for storing the electric energy. The energy router system structure based on the fusion of the information physical system is designed on the basis of an electrical information physical system (P-CPS), so that the energy router structure has the characteristics such as modularization of structure, intelligentization of control, enhancement of the commutation, robustness of the system, and the like and has practical feasibility. The energy router has functions such as calculation, communication, precise control, remote cooperation, self governing and the like.

The invention provides a direct-current micro-grid interconnection converter and a power coordination control method thereof, the converter is formed by cascading an interleaved three-port converter and a full-bridge DC-DC converter, and low-loss operation and public energy storage access of the direct-current micro-grid interconnection converter can be realized. Furthermore, the invention provides a power coordination control method of the interconnection converter, and the control method allows three ports to operate independently so as to realize power flow control between the two direct-current micro-grids and the public energy storage. According to the interconnection converter and the power coordination control method thereof, the system power fluctuation can be stabilized, the system reliability is improved, and the operation cost is reduced. The parallel competition control strategy of the public energy storage port enables transition of control variables to be smoother, violent transient change or oscillation of the converter is avoided, and the stability of the control system is improved.

The invention relates to the field of drip irrigation tape production, and discloses a double-flow-channel filtering die head and screen structure suitable for reclaimed material production, the double-flow-channel filtering die head and screen structure comprises a machine shell, the feeding end of the machine shell is connected with an extruder, and a single-pass flow channel capable of dividing fluid in two paths is arranged in the machine shell; the filter assemblies are arranged on the single-pass runners respectively, and the tail ends of the single-pass runners are converged into the extrusion die head; when the machine is not stopped, the extrusion die head and the screen of the filtering assembly can be replaced through the screen replacing mechanism; the device is reasonable in design, convenient to disassemble and assemble, controllable in flow direction, stable in filtration, stable in extrusion, convenient and fast in screen replacement, safe, reliable, energy-saving, consumption-reducing, quality-improving and efficiency-improving; the production cost is reduced, and the impurity removal effect is improved; on the premise of backflow prevention and self-adaptive pressure adjustment, the process of non-stop net replacement and the process of continuous output of the drip irrigation tape are guaranteed.

The embodiment of the invention discloses a double-battery management circuit and a lamp. The circuit comprises: a first power supply unit and a second power supply unit which are connected in parallel, wherein the first power supply unit is used for providing a first power supply current and a second power supply current so as to achieve the power supply operation; a detection unit connected withthe second power supply unit and used for detecting and outputting a real-time voltage value corresponding to the second power supply unit; an judgment unit connected with the first power supply unit, the second power supply unit and the detection unit and used for receiving the real-time voltage value, generating a corresponding control signal based on the real-time voltage value and outputtingthe control signal; and a charging unit connected with the first power supply unit, the second power supply unit and the judgment unit and used for receiving the control signal and controlling the current direction of the first power supply current and/or the second power supply current based on the control signal. The embodiment of the invention further discloses a lamp applying the double-battery management circuit. According to the invention, the continuous power supply control of the lamp can be realized, and the continuity of power utilization is ensured.