39results about How to "Zero noise" patented technology

The invention discloses a portable human body air conditioner, utilizing two power supplies such as electric supply and lithium battery, wherein the build-in pipeline is in an ellipse shape or in a flat shape and is synthesized by compression resistant cotton cloth and PVC; a host is a semi-conductor chip; system refrigeration and heating both utilize a miniature circulating pump; liquid exchangesheat and cold by the host and an air conditioning cloth; heat and cold temperature is automatically controlled and regulated precisely; and the functions such as liquid temperature control and the like are realized. The portable human body air conditioner has extremely less energy consumption and comfortable and cool to wear, and has significant energy saving and environmental protection effects.

The invention discloses a PEMFC (proton exchange membrane fuel cell) emergency power supply system, which is designed for solving the problems that the existing emergency power supply is short in continuous power supply time and can not provide charge recovering on emergency occasions, and a gasoline generator is bulky and large in noises and releases harmful gases. The system disclosed by the invention comprises a system controller, a PEMFC, a fuel cell controller, a DC/DC (direct current) conversion circuit, a lithium battery and a charging and battery management system, wherein the fuel cell controller is used for carrying out controlling and monitoring on the PEMFC, and transmitting information to the system controller through a CAN (controller area network) bus; the DC/DC conversion circuit is controlled by the system controller, and connected to a load by the PEMFC, and the load is controlled by the system controller; the lithium battery is connected between the PEMFC and the load; and the charging and battery management system is controlled by the system controller and controls the operating state of the lithium battery. The emergency power supply system supplied power jointly by the PEMFC and the lithium battery can ensure the continuous power supply during a hydrogen storage vessel replacement period; and the system is long on continuous power supply time and noiseless, and has zero discharge.

The invention relates to a blast furnace roof charging tank uniform pressure diffusing coal gas total recycling device and a recycling method. The blast furnace roof charging tank uniform pressure diffusing coal gas total recycling device comprises a blast furnace roof charging tank, a raw coke oven gas relief valve C connected with the blast furnace roof charging tank through a raw coke oven gas output pipeline, a bag-type dust remover, a low-pressure clean coal gas pipe net connected with an exhaust port of the bag-type dust remover, an ash valve arranged at the lower portion of the bag-type dust remover, and a low-pressure clean coal gas stop valve arranged on the low-pressure clean coal gas pipe net. The blast furnace roof charging tank uniform pressure diffusing coal gas total recycling device is characterized in that a raw coke oven gas breathing recycling device is arranged on the raw coke oven gas output pipeline of the raw coke oven gas relief valve C and the bag-type dust remover 7. By adoption of the blast furnace roof charging tank uniform pressure diffusing coal gas total recycling device and the recycling method, the beneficial effects that total recycling, zero pollution, zero emission and zero noise are really achieved; resources are effectively recycled, the environment is improved, and good social and economic benefits are achieved are achieved.

The invention discloses a treatment method of medical reverse osmosis water and equipment thereof. The method is to have the pretreatment of raw water, filter water in a secondary filter, lift water pressure by a high head pump and finally filter and concentrate water in a reverse osmosis membrane. The low conductivity water filtered and concentrated in the reverse osmosis membrane is gathered in a pure water tank and to be used after treatment while the waste water from the reverse osmosis membrane is put into a set of or more degermation velum or low desalination velum. The water is gathered in one or more pure water tank(s) after filtration and to be used after treatment. The device consists of a pretreatment system, a central membrane processing system and a final processing system, wherein, the central membrane processing system comprises the secondary filter, the high head pump and the reverse osmosis membrane which are connected by pipes. A waste water outlet of the reverse osmosis membrance is connected with a set of or more degermation velum or low desalination velum. The invention has the advantages of making the best use of discharged waste water, saving energy consumption, reducing noise, and simultaneously providing pure water of various qualities to a plurality of section offices.

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 a heat transfer surface and microporous flow passages or small-hole flow passages integrated planar perforated-plate heat exchanger which comprises a flow distribution pipe, a flow collection pipe and a heat exchange perforated plate. The heat exchange perforated plate is connected between the flow distribution pipe and the flow collection pipe, the heat exchange perforated plate is internally and parallelly provided with a plurality of microporous flow passages or small-hole flow passages, and two ends of the microporous flow passages or the small-hole flow passages are communicated with the flow distribution pipe and the flow collection pipe respectively. Sections of the flow distribution pipe and the flow collection pipe are C shaped, and two ends of the heat exchange perforated plate are welded C-shaped openings of the flow distribution pipe and the flow collection pipe respectively to form an integral flow passage communicated structure. Compared with a traditional capillary network heat exchanger, the planar perforated-plate heat exchanger structurally has the advantages of avoidance of secondary construction for forming of the heat exchange surface, high heat exchange efficiency, low cost, convenience in mounting and the like.

The invention relates to a radiation type air conditioner indoor unit. The radiation type air conditioner indoor unit comprises a shell, a microchannel heat exchanger and an electronic control board. A containing space is defined in the shell. The microchannel heat exchanger is arranged in the containing space and provided with an upper manifold, a lower manifold and multiple heat transfer pipes located between the upper manifold and the lower manifold. Multiple microchannels communicating with the upper manifold and the lower manifold are arranged in each heat exchange pipe. The electronic control board is arranged on the lower portion of the containing space and is insulated from the microchannel heat exchanger. In this way, the electronic control board is not affected by radiant heat of the microchannel heat exchanger. The temperature difference between the surface temperature of the electronic control board and the temperature of the environment where the electronic control board is located is small, the working performance of the electronic control board is guaranteed, and condensation generated on the electronic control board is avoided as well, so that the air conditioner indoor unit has the high performance.

The invention discloses a head position self-calibration and self-positioning system for real person HRTF measurement. The system comprises a real person head center calibration module and a module for calibrating the position of the head center in the head; the sound source space distribution sphere center calibration module is used for calibrating the position of a virtual sphere center of sound source space distribution in the space; and the self-calibration and self-positioning module is used for calibrating and positioning the head center on the virtual sphere center by the testee. The invention further discloses a head position self-calibration and self-positioning method for real person HRTF measurement. By means of the scheme, head position self-calibration and self-positioning of real person HRTF measurement can be conveniently and efficiently achieved.

The invention relates to an intelligent pathological frozen section dyeing all-in-one machine and a frozen section dyeing method. The machine comprises an upper box body, a lower box body, a carrying plate, an operation table, an intelligent control panel, a water vat, a reagent vat, a tissue vat, a wax dripping device, a cold fog spray head, a cooling table, a tool bit, a tool rest and a mechanical arm. During operation, the intelligent control panel intelligently controls the wax dripping device, the mechanical arm, the cold fog spray head, the tool bit and the tool rest to work cooperatively, intelligent and efficient frozen section dyeing operation is achieved, and meanwhile the flexibility of operation noise reduction, whole machine integration, small size and small temporary site area is guaranteed.

The invention relates to a visual cloud computing desktop terminal, which is a visual cloud terminal. The terminal is composed of an integral shell, a liquid crystal display screen, a mainboard, a cloud computing desktop terminal PCBA, a power jack and a power voltage transformation diverter; in a cloud server environment, the desktop system operation experience more superior than that of a conventional PC can be realized; the conventional computer is replaced; space resources are released; the utilization rate of hardware resources is increased; the office environment experience is improved;energy conservation and emission reduction are achieved; green office is proposed; actual data processing is performed in a cloud processor; a local visual cloud computing desktop terminal only needsto bear data transmission and display work; compared with a conventional office mode, excessive hardware input of a local end is avoided, and the office operation cost and the hardware upgrading pressure are reduced; and in addition, the structure is relatively simple and the fault rate is low, so that the later maintenance cost is reduced, the configuration is simplified, the data security is improved, resource centralized management is facilitated, and system maintenance is more convenient.

The present invention relates to an electric power electromagnetic track ejection device. An electromagnetic track is arranged at the center of a tubular electromagnetic track support; multi-stage electromagnetic acceleration coils are arranged on the electromagnetic track in order, the electromagnetic acceleration coils are detected and excited by photoelectric sensors, the photoelectric sensors are installed on the track support located at the front ends of the electromagnetic acceleration coils; an insulation rope is fixed at one end of an insulation rope ejection body, and the other end of the insulation rope ejection body is arranged on the electromagnetic track; a main capacitor group and a secondary capacitor group are arranged at two sides of the electromagnetic track support; a thyristor control panel is internally provided with multi-group thyristors, and thyristor switches are respectively connected with corresponding photoelectric sensors; and the thyristor control panel is provided with an emission switch which is connected with the thyristor switches. The electric power electromagnetic track ejection device satisfies power system power transmission and transformation technology field high-altitude live working rope throwing demand so as to greatly solve the problem that the ejection accuracy is low, the improve the operation maintenance efficiency and solve the problem of big influence of natural environment such as high wind and the like.

A broadcast network designed to deliver a unique musical experience for consumers by receiving and processing elemental musical events that accurately describe an artist's performance or composition but contain no information about the actual sound or light at the originating location, and broadcasting these events in the form of musical commands to a number of listeners, who each experience these performances through artificial sound and images generated at their own location.

The invention discloses a (power dispersing type) laborsaving electric airplane shown as a figure 1, and the laborsaving electric airplane comprises an airplane body, an undercarriage, wheels, wings, an empennage, motors, propellers and the like. solar cells are pasted on the exterior of the airplane body for starting an electric generator for generating electricity used for the airplane, the bottom of the airplane body is provided with the undercarriage and the wheels, each wing is provided with one motor and one propeller, the empennage is also provided with one motor and one propeller, and a cabin is provided with an electric generator, a computer, a display screen, a control stick, instruments and meters, and the like. A key is inserted by a hand for rotating the computer, so that the electric generator is automatically started, and the airplane is capable of vertically rising and landing and horizontally flying by operating the control stick. Another kind of a (electric type) laborsaving electric airplane has a structure same to the structure of the figure 1, except that the active force employs worm gear. The laborsaving electric airplane is simple and scientific in structure, free of energy consumption because of self electric generating, free of pollution, zero in discharging, low in noisy, high in efficiency and high in reliability, has great commercial exploitation value, and is a laborsaving electric airplane originally created in the world.

The invention is a kind of fully nature-power temperature changing air conditioner. It refrigerates and heating nature air using ground power source, generate electricity using solar power and wind power, then provide ideal temperature, fresh, high quality air to the house through wind-collecting machine, heavy special cold-heat exchanging equipment, collecting house and apparatus of air conveying, detecting and regulating.

The invention provides a movable parallel water-hydrogen power generation inverter system. The movable parallel water-hydrogen power generation inverter system comprises an inverter, a PWM controllerand a power optimization module, wherein the inverter is connected with a fuel cell and a load, and is used for inverting the electric energy generated by the fuel cell and then supplying the electric energy to the load to be used; the PWM controller is used for sending an adjusting signal to the inverter; the inverter adjusts the output voltage of the fuel cell according to the adjusting signalso as to maximize the output power of the fuel cell; the power optimization module is used for acquiring the state parameters of the fuel cell, determining an output voltage corresponding to the maximum power of the fuel cell according to the state parameters, and controlling the PWM controller to send out an adjusting signal according to the determined output voltage, so that the output power ofthe fuel cell reaches the maximum under the control of the PWM controller. The inverter system can adjust the output voltage of the fuel cell, so that the output power is kept to be maximum in the power generation process of the fuel cell so as to maximize the power generation efficiency.

The embodiment of the invention discloses a zero-energy-consumption air purification device. The air purifier comprises a shell, a rotary screen frame, a knob, a photocatalytic breathable screen and alimiter, wherein the shell is made of a light-transmitting material; air holes are formed in the shell in a hollowing manner, a rotary screen frame is arranged in the shell; a knob is arranged on therotary screen frame; a through hole is formed in the top middle of the shell; a rotating shaft is arranged at the top of the rotating screen frame and passes through the through hole; the bottom of the knob is fixedly connected to the top of the through hole; a photo-catalytic breathable screen is formed inside the rotary screen frame; and the limiter is disposed on the bottom or the top of the shell. The air purification device has the advantages that the energy consumption is avoided, the size is small, the structure is simple, the installation is convenient, and the air purifier is suitable for environment occasions for treating gas organic pollutants.

The invention provides a new energy energy-saving illuminating lamp. The new energy energy-saving illuminating lamp comprises a movable trolley, a work control switch, a power supply control switch, an electric air pump, a telescopic lamp pole, an LED lamp, a storage battery and a solar panel. The electric air pump, the telescopic lamp pole, the LED lamp, the storage battery and the solar panel are fixedly installed on the movable trolley. The electric air pump is connected with the telescopic lamp pole and used for controlling the telescopic lamp pole to stretch out and draw back. The LED lamp is mounted on the telescopic lamp pole. The work control switch is in circuit connection with the storage battery, the electric air pump and the LED lamp, and is used for controlling the storage battery to supply power to/cut off the supply of power to the electric air pump and the LED lamp. The power supply control switch is in circuit connection with the storage battery and the solar panel andused for controlling the solar panel to charge the storage battery and controlling the storage battery to discharge. According to the device, the storage battery can be continuously charged in the daytime through the solar panel, the electricity demand at night can be completely met, and energy saving, zero pollution, no noise and cost saving are achieved.