56results about How to "Easy power adjustment" patented technology

The invention relates to a filtration type dust removal device which comprises a box, a support frame, a dust storage box, a funnel, a control panel, a protective fence, a fan, a filtering net assembly and a hairbrush assembly. The filtration type dust removal device disclosed by the invention can achieve an effect of automatically cleaning dust on the filtering net, the filtering net is preventedfrom being frequently detached, and great convenience is brought to use of a user.

The invention discloses a swirler. The swirler comprises an outer wall, an inner wall and swirl vanes arranged between the outer wall and the inner wall, wherein the swirl vanes comprise big and small vanes which are arranged in a peripheral direction; both the big vanes and the small vanes comprise straight vane sections parallel to the central line of the swirler and bent vane sections having included angles with the central line of the swirler. A pre-mixing combustor comprising the swirler comprises a combustion gas turbine of the pre-mixing combustor, a boiler, an internal combustion engine or an aero-engine. According to the swirler and the pre-mixing combustor adopting same, the straight vane sections of the big vanes mainly achieve rectifying action, and the bent vane sections of the large vanes are used for regulating an airflow direction; and small vanes are used for regulating airflow speed distribution among large vanes to eliminate a low-speed airflow area, so that a tempering phenomenon is eliminated in a facilitated manner.

The invention discloses an X-frequency-band ground-to-air transmission broadband transceiver and relates to a transmission device in the broadband digital microwave communication field. The transceiver is composed of a transmission power controller, a transmission frequency converter, a transmission synthesizer, a crystal oscillator, a radio frequency filter bank, a receiving frequency converter, a receiving synthesizer, an intermediate-frequency filter, a power supply, a monitor and the like. According to the X-frequency-band ground-to-air transmission broadband transceiver, the modular design is adopted for all circuits, the transceiver has the advantages that the integration level is high, the size is small, the working frequency band is wide, the functions are complete, the types of devices are easy to select, the debugging difficulty is low, use is simple, and the universality is good, and the transceiver is particularly applicable to an X-frequency-band broadband digital microwave communication system.

The subject of the present invention is a laser anemometry probe for optical homodyne detection of frequency offset by Doppler effect, comprising two devices (DERF1, DERF2) for transmitting/receiving beams in two different directions, avoiding duplicating a plurality of elements of a mono-axial laser anemometry probe.

The invention relates to a fumigating therapy device for traditional Chinese medicine gynecology, comprising a fumigating generating box and a therapy box. A medicine box is arranged in the fumigatinggenerating box. The upper side of the medicine box is provided with a medicine box port. A medicine box cover is arranged at the inner side of the medicine box port. The lower middle of the medicinebox cover is provided with an atomizing rod; a vapor delivery hole is arranged in the medicine box port; a first vapor delivery tube is connected to the top of the vapor delivery hole and is connectedwith a fan; the fan is connected with a second vapor delivery tube; a first enclosed chamber an a second enclosed chamber are arranged in the therapy box; heat transfer tubes are arranged in the first and second enclosed chambers; the upper portion of the first enclosed chamber is provided with a heating tube; the left ends of the heat transfer tubes are connected with the second vapor delivery tube; rollers are arranged on the right of the second enclosed chamber; a vapor delivery hose is arranged on the rollers; a support terrace is arranged on the right of the inside of the therapy box; asoft cover is arranged at the top of the support terrace. The fumigating therapy device for traditional Chinese medicine gynecology has the advantages of reasonable structure, good convenience of use,good service effect, good health caring, and good effect.

A solar battery doped region forming method comprises the following steps: (1) forming a passivation layer on the surface of a semiconductor substrate; (2) adopting an ion implantation method, penetrating the passivation layer and forming an impurity source region on the semiconductor substrate; and (3) irradiating the impurity source region by using laser to enable the impurity source region to activate and obtaining the solar battery doped region. According to the solar battery doped region forming method, the laser is used for activating the doped region, due to the facts that regulation of the speed and power of the laser is convenient and fast, and response speed is fast, accurate control to dosage concentration, dosage depth and doped region width is achieved, and technological conditions are simplified.

Methods and arrangements for generating adjustment commands in a node. The adjustment commands adjust the transmission power of radio signals. The radio signals are sent over at least a first channel and a second channel. The adjustment is performed by adjusting a gain factor. The gain factor is associated with the relation between a first transmission power level of a first channel and a second transmission power level of a second channel.

The invention discloses a system and method for detecting the performance of an air compressor. According to the technical scheme, the system comprises a hardware detection module for detecting the air compressor, and a monitoring and controlling module for processing data generated by the hardware detection module; the hardware detection module comprises an air compressor displacement measuring module, an air compressor power measuring module, an air compressor input and output pressure measuring module; the monitoring and controlling module comprises a computer processing module for processing the data generated by the hardware detection module, a frequency converting control module for controlling the air compressor power measuring module, and an external output module for displaying the data generated by the computer processing module. The hardware detection module further comprises an air storage tank for storing compressed air output by the air compressor. The system for detecting the performance of the air compressor can simultaneously detect all performance tests of the air compressor and can test air compressors of multiple models, and the situation of single machine single testing is avoided.

The invention relates to the technical field of sodium sulfide preparation, and discloses a method for preparing sodium sulfide by smelting reduction of industrial sodium sulfate. The method comprisesthe following steps: (1) adding industrial sodium sulfate into a medium-frequency induction converting furnace for heating to a molten state; then mixed gas of nitrogen and reducing gas is injected into the molten sodium sulfate for converting reduction, the molten sodium sulfate is reduced into molten sodium sulfide, then the molten sodium sulfide is poured out of the medium-frequency inductionconverting furnace, and the volume ratio of the nitrogen to the reducing gas is 1: 0.1-1; and (2) pouring and molding the molten sodium sulfide poured out in the step (1). According to the method, industrial sodium sulfate is used as a raw material, a medium-frequency induction converting furnace is used as reduction equipment, mixed gas is blown for converting reduction, the method is simple andenvironmentally friendly, equipment corrosion is small, and the prepared sodium sulfide is high in purity.

The invention provides a vertical multi-ejection-tube type three-ring fire burner. The vertical multi-ejection-tube type three-ring fire burner comprises a base with an upper opening, a distributor seat, a central fire cover and an outer ring fire cover, the distributor seat is further provided with an inner ring-shaped fuel gas groove with an upper opening and an inner ejection tube; the centralfire cover is further provided with an inner ring-shaped combustion chamber, with a lower opening, surrounding the central fire cover, a top plate of the central fire cover is provided with a centralcombustion hole, and an outer ring wall plate of the inner ring-shaped combustion chamber is provided with an inner ring combustion hole; the base is further provided with an inner ring air inlet passage, and an air outlet end of the inner ring air inlet passage is provided with an inner nozzle; the inner ring-shaped combustion chamber is matched with the inner ring-shaped fuel gas groove, and theinner nozzle corresponds to the inner ejection tube; a one-time air passage is communicated with an inner cavity of the base; and a central air inlet passage is communicated with the tail end of an outer ring air inlet passage or an air source of the central air inlet passage. Due to adopting the structure, the arrangement of the inner ring-shaped combustion chamber increases power, the adjustment of the power is convenient, and the energy efficiency is improved.

The invention discloses a sensitive drying rack which comprises a mounting frame, delta connectors, a telescopic support, an outrigger, a knob, a sensitometer, a fixing plate, a main frame plate, through holes, a power converter and a drying lamp. The sensitive drying rack has the advantages that the sensitive drying rack is reasonable in design, the two delta connectors are fixed at the lower endof the mounting frame, the telescopic support is hung at the lower ends of the delta connectors and can rotate, more clothes can be hung, the hexagonal sensitometer is arranged in order to sense outdoor illumination intensity, the main frame plate is mounted at the lower end of the fixing plate, the through holes are formed in the main frame plate in order to keep the distance between a clothes hanger and the outrigger, the clothes hanger is conveniently placed, the power converter is arranged in the middle of the lower end of the mounting frame, the power of the drying lamp is conveniently adjusted, and the power converter is connected with the drying lamp in a rotary mounted manner, so that a user can use the drying rack in cloudy days.

The invention discloses a cook-off test device for testing the reaction level of a slapper detonator with regard to high-temperature stimulation. The cook-off test device is used for carrying out a cook-off test on the slapper detonator, and comprises an electric heating ring, a barrel body, a barrel cover, a test support and a witness plate used for bearing an impact of the slapper detonator after burst during the test, wherein the electric heating ring is installed outside the barrel body in a sleeving manner and used for heating the barrel body; the test support is installed in the barrel body; the barrel cover is installed at one end of the barrel body; the slapper detonator and the witness plate are installed on the test support respectively; and the witness plate is located between the slapper detonator and the barrel cover. The cook-off test device disclosed by the invention is convenient for adjusting the power of the electric heating ring to control the temperature rising rate of air in the barrel body through heating of the electric heating ring, thus controlling the temperature rising rate of the slapper detonator on the test support in the barrel body; and the reaction level of the detonator is calculated through the degree of destroy of scattering fragments of a shell of the slapper detonator on the witness plate when the slapper detonator reacts with regard to the high-temperature stimulation.

A retractable outside door handle assembly may include a handle unit including a pushing portion and an outside door handle mounted selectively protruded outwardly to a handle housing, an actuator including a drive motor, a worm connected to the drive motor, a worm wheel engaging with the worm, and an operation rod that moves according to rotation of the worm wheel to push the pushing portion, and a door latch lever that is rotatably mounted on the handle housing and rotates during operation of the outside door handle protruded by operation of the actuator.

The invention relates to a pump turbine system, comprising a turbine with a turbine impeller as well as a turbine spiral housing and a turbine suction pipe; a pump with a pump impeller as well as a pump spiral housing and a pump suction pipe; the two spiral housings are arranged to run in opposite directions; a shaft on which the turbine impeller and the pump impeller are non-rotatably arranged; an electrical machine that is in drive communication with the shaft or can be brought into such communication; the pressure lines of the two spiral housings open into a common pressure line; both suction pipes are each connected to suction lines, with both suction lines opening into a common suction line; with a separate shut-off element each being arranged in the suction lines.

Heliostat apparatus, including frame supporting reflection mirror or solar battery panel, gyro mechanism having elevation angle rotation axis for rotating frame in a north-south direction and azimuth angle rotation axis for rotating it in east-west direction, rotation axes being orthogonal to each other, and support for supporting frame through the gyro mechanism, in which frame, reflection mirror and like are integrally rotated in north-south direction with elevation angle rotation axis as rotation axis and angle of reflection surface of reflection mirror and like in north-south direction is adjusted, frame, reflection mirror and like are integrally rotated in east-west direction with azimuth angle rotation axis as rotation axis and angle of reflection surface of reflection mirror and like in east-west direction is adjusted, and center of gravity of a power generation panel is matched with intersection where elevation and azimuth angle rotation axis of gyro mechanism are orthogonal to each other.

The invention aims to provide a variable-temperature sterilizing tank with a simple structure, a reasonable design and adjustable internal space. The variable-temperature sterilizing tank comprises asterilizing tank body, a steam generator and a sealing door; the front end of the sterilizing tank body is open; the sealing door is hinged with the opening position of the front end of the sterilizing tank body; the variable-temperature sterilizing tank further comprises an outer barrel; the sterilizing tank body is coaxially installed in the outer barrel rotationally; an annular cavity is formedbetween the outer wall of the sterilizing tank body and the inner wall of the outer barrel; at least one vent hole making the annular cavity communicate with the inner cavity of the sterilizing tankbody is formed in the side wall of the sterilizing tank body; a steam outlet end of the steam generator communicates with the annular cavity through a steam guide tube; a push plate is glidingly installed in the sterilizing tank body in the axial direction; the peripheral side of the push plate is fixedly provided with a rubber ring used for sealing; the at least one vent hole is always located atthe front end of the push plate; the variable-temperature sterilizing tank further comprises a drive mechanism for independently driving the sterilizing tank body to rotate and the push plate to slide; two annular pressing plates are arranged in the annular cavity in an axial sliding manner; and the annular pressing plates are near the end part of the outer barrel.

The invention provides a liquid-liquid reaction experimental apparatus based on hydraulic rotary spraying, comprising a reaction cylinder, a cylinder cover, and a liquid incoming pipe. The liquid incoming pipe is passed into the cylinder cover from outside and extended into the reaction cylinder; the bottom end of the liquid incoming pipe is provided with a connection terrace; a rotary spraying mechanism is arranged in the connection terrace. The rotary spraying mechanism connected with the liquid incoming pipe is arranged in the reaction cylinder herein; the liquid incoming pipe is connectedwith a miniature water pump; the rotary spraying mechanism sprays a liquid reaction material to the reaction cylinder in rotational manner under the action of liquid pressure, the liquids in the reaction cylinder is driven in compound multidirectional motions, such as vertical motion, anticlockwise and clockwise motions and rolling; contact area is effectively enlarged for the liquid reaction materials; mixing is uniform; reaction is complete. The spraying rate of liquids can be flexibly adjusted by adjusting the power of the miniature water pump, so that reaction rate can be effectively adjusted. Observing the reaction process is convenient for experimental personnel; operation is mechanically automated; experimental data are precise; safety is high.

The invention relates to an external force adjusting type and automatic residue discharging type axial powder actuated tool. The external force adjusting and automatic residue discharging type axial powder actuated tool is characterized in that a pressure relief through hole is formed in a nail pipe, an outer sleeve, a main sleeve and a force adjusting sleeve are involved, wherein a residue discharging channel is formed in the force adjusting sleeve, and silencing holes of the nail pipe communicate with a residue discharging heat dissipation hole in the outer sleeve; and when a reset spring iscompressed, the main sleeve can seal the residue discharging heat dissipation hole. According to the powder actuated tool, the nail pipe can freely rotate under external operation, and the most suitable explosive force can be obtained, meanwhile, when a reset action is carried out, functions of residue discharging and heat dissipation are realized as well, so that heat is timely dissipated, the residue debris can be discharged at any time, a residue discharging maintaining process is omitted, and residue discharging difficulty is reduced; more importantly, the temperature of parts can be effectively reduced, and serious potential safety hazards are avoided; and in addition, due to the arrangement of an anti-rotation sleeve, relative rotation between the nail pipe and the force adjusting sleeve can be effectively realized, marking is assisted, and namely the purpose of conveniently and accurately adjusting force can be achieved.