38results about How to "Easy to adjust independently" patented technology

A laser device (100), configured for generating laser pulses, has a laser resonator (10) with a gain disk medium (11) and a Kerr medium (12). The laser resonator (10) includes a first mode shaping section (13) which is adapted for shaping a circulating electric field coupled into the gain disk medium (11), and a second mode shaping section (14), which is adapted for shaping the circulating electric field coupled into the Kerr medium (12) independently of the electric field shaping in the first mode shaping section (13). Furthermore, a method of generating laser pulses (1) using a laser resonator (10) with a gain disk medium (11) and a Kerr medium (12) is described.

The invention relates to a low-cost millimeter wave beam scanning antenna applied to a 5G mobile terminal, which is suitable for the field of mobile communication. The low-cost millimeter wave beam scanning antenna comprises a patch array, a floor provided with a coupling groove and a feed microstrip line provided with a 2-bit phase shifter; the patch array is formed by ten equally spaced rectangular patch units; the lower portion of each patch unit is provided with a pair of coupling grooves, the lower portion of each pair of coupling grooves is provided with one 2-bit phase shifter, each phase shifter leads out four branch microstrip lines from the center feed microstrip line, and the length of each branch line is controlled by a binary switch to provide a phase change of 0 degree, 90 degrees, 180 degrees and 270 degrees. The traveling wave feature of the leaky wave antenna is employed to construct the phase shifter to reduce the antenna cost, and the radiation antenna and the feed network are respectively put at two sides of the floor to increase the degree-of-freedom of design.

The present invention relates to methods and apparatus that may enable the folding of a multi-point compression powered archery bow. More specifically, the present invention relates to a foldable archery bow, powered by multiple compression devices, wherein the upper limb and the lower limb may be drawn independently and released together. In some aspects, the bow may be to adjustable for draw weight, draw length, and draw weight let-off at full draw length in a fixable frame that may be folded and unfolded.

The invention relates to the technical field of car lighting, in particular to a car lamp module and a car comprising the same. The car lamp module comprises a module support, a near-light module and a far-light module, wherein the near-light module and the far-light module are installed on the module support; the near-light module comprises a near-light reflection lamp bowl, a near-light inner support and a near-light adjusting support, the near-light reflection lamp bowl is installed on the near-light inner support connected with the near-light adjusting support, and a near-light adjusting assembly is arranged between the near-light adjusting support and the module support; and the far-light module comprises a far-light reflection lamp bowl, a far-light inner support and a far-light adjusting support, the far-light reflection lamp bowl is installed on the far-light inner support connected with the far-light adjusting support, and a far-light adjusting assembly is arranged between the far-light adjusting support and the module support. According to the car lamp module, a near-light lamp and a far-light lamp are used for achieving modularization and are independently adjusted, installation and detaching are convenient, positioning is convenient and accurate, and light adjustment is simple.

The present disclosure provides an integral front axle assembly which includes an axle housing configured for connecting with a driveshaft; two axle tubes respectively connected with two opposite sides of the axle housing; two inner-C-forgings disposed at ends of the axle tubes and each being configured for connecting with a kingpin knuckle; and at least one connection structure, for detachably fixing at least one of the inner-C-forgings to a corresponding axle tube. The inner-C-forging has different mounting positions on the axle tube, correspondingly, the caster to pinion angle is different at inner-C-forging's different mounting positions. The caster angles on both sides and the pinion to driveshaft angle can be conveniently and independently adjusted while ensuring the support strength.

The invention relates to a solar power driving air condition system integrating an adsorption heat pool and film solution dehumidification. The system includes a film solution dehumification sub system and a solar power absorbing cooling sub system. The film solution dehumification sub system includes a dehumidifying solution circulation loop and an outdoor air dehumidification heat exchange channel. The solar power absorbing cooling sub system includes a solar power heat collector, a water tank working medium water circulation loop and a refrigerant circulation circuit. Cold medium water generated by the solar power absorbing cooling sub system realizes heat treatment of air. The film solution dehumification sub system realizes dehumification treatment of air. Heat energy required by solution regeneration in the film solution dehumidification sub system and cold energy required by cooling are both provided by the solar energy adsorption heat pool. The drive heat source of the system can be solar energy or other low-grade heat source. Requirements for energy conservation and environment protection can be met at the same time of realizing independent adjustment of air humidity and temperature and continuous operation of the system. The air condition system has a good development prospect.

The invention relates to a solar thermally-driven independent temperature and humidity control air conditioning system. The system comprises a first heat exchanger, a second heat exchanger, a desiccant solution storage tank, a film dehumidifier, a regenerator, a condenser, a first throttling valve, an evaporator, a generator, a solar heat collector, a solution heat recovery device and an absorber. The system effectively combines a solar absorption refrigeration subsystem and a film solution dehumidifying subsystem, the solar absorption refrigeration subsystem provides heat required by regeneration of a solution in a dehumidifying system and cold required by cooling and performs heat treatment on air by using produced refrigerant water, and the film solution dehumidifying subsystem performs wet treatment on the air. Compared with the prior art, the system has the advantages that green energy, namely, solar energy, can be fully utilized, independent temperature and humidity regulation and control can be realized, and the system is energy-saving, low in emission and good in regulation and control performance, and the like.

The invention belongs to the technical field of liquid-liquid extraction, and specifically relates to a mixing clarifying tank. The mixing clarifying tank comprises at least a clarifying tank; the clarifying tank comprises a clarifying chamber with a mixing chamber and a submerging chamber at one end and a light-phase small chamber and a heavy-phase small chamber at the other end; the submerging chamber is positioned at the lower part of the mixing chamber; a light phase and a heavy phase enter the mixing chamber from the submerging chamber, and are stirred into a mixed phase, and the mixed phase is conveyed to the clarifying chamber; the clarifying chamber is used for separating the mixed phase into a light phase and a heavy phase; the light phase and the heavy phase are respectively conveyed into a light-phase small chamber and a heavy-phase small chamber; the light phase and the heavy phase flow out of the clarifying tank from the light-phase small chamber and the heavy-phase smallchamber; the heavy-phase small chamber can adjust the interface height between the light phase and the heavy phase in the clarifying chamber; when the mixing clarifying tank comprises a plurality of clarifying tanks, the submerging chamber of each clarifying tank can also be connected with the heavy-phase small chamber of an upper-stage clarifying tank and the light-phase small chamber of a next-stage clarifying tank, so that the mixing clarifying tank can be expanded into a multi-stage mixing clarifying tank.

The invention provides a coiled material flattening machine which is arranged at the rear end of an uncoiler and used for flattening an unfolded coiled material and conveying the material to a plate dragging tool. The coiled material flattening machine comprises a shell. A traveling plate guide mechanism is arranged on the shell in the length direction. A motor and a speed reducer are installed on the lateral surface of the shell. The motor is connected with a sprocket. The sprocket is connected with the speed reducer through a hinge. The speed reducer is connected with a lower material dragging roller. An upper material dragging roller is correspondingly arranged at the upper end of the lower material dragging roller. An upper material flattening roller and a lower material flattening roller are arranged at the front end of the shell in the traveling plate direction, and the upper material flattening roller is correspondingly arranged at the upper end of the lower material flattening roller and used for flattening a steel coiled plate. A traditional structure is modified, and the coiled material flattening machine has the advantages of being simple in structure, convenient to manufacture, reliable, practicable and long in service life.

The invention discloses a broadband monopole antenna with an arc-shaped coupling feed structure and belongs to the technical field of wireless communication. The broadband monopole antenna comprises adielectric plate; a metal grounding plate is attached to one surface of the dielectric substrate, and the other surface is provided with a circular radiation patch and a T-shaped feed structure; theT-shaped feed structure is composed of an energy coupling arm and a rectangular arm, wherein the energy coupling arm is arc-shaped, the radian of the energy coupling arm is the same as that of the circular radiation patch, and a gap exists between the energy coupling arm and the circular radiation patch; and the rectangular arm and the metal grounding plate form a micro-strip line structure. The coupling feed structure is adopted, so that the bandwidth of the antenna is expanded, and the port reflection coefficient of the antenna in the frequency range of 1.31GHz to 3.27GHz is smaller than -10dB; and the broadband monopole antenna is simple in structure, reasonable in design, convenient to manufacture and process, and capable of realizing batch production.

The invention provides a cleat structure, an integral front axle and a refitting method. The cleat structure comprises a cleat used for being connected with a master pin and a connecting structure used for being connected with the end of an axle tube, the cleat is detachably fixed to the connecting structure, the cleat has a plurality of fixing states relative to the connecting structure, and in each fixing state, the kingpin connecting points on the cleat have different positions relative to the connecting structure. According to the integrated front axle, on the premise that the supporting strength is guaranteed, the kingpin caster angles on the two sides of the vehicle and the included angle between the steering knuckle and the transmission shaft can be conveniently and independently adjusted; meanwhile, the positions of all component mounting points on the axle tube are still kept at the original mounting angles, and variables influencing the axle base, the direction accuracy and the suspension height of a chassis are not introduced.

The invention discloses an automobile body metal plate processing and polishing device, and relates to the technical field of automobile body processing. The automobile body metal plate processing andpolishing device includes a base, a bottom adjusting mechanism is installed in the middle of the upper surface of the base, and an integral rotating mechanism is installed on the right side of the bottom adjusting mechanism. A supporting adjustment mechanism is installed above the bottom adjusting mechanism, and two direction adjustment mechanisms are installed outside the supporting adjustment mechanism. According to the automobile body metal plate processing and polishing device, the forward and backward rotation of a servo motor I drives a structure above a bottom cylinder to rotate synchronously, and the extension of the telescopic end of an electric push rod I drives an adjustment cylinder to move upwards in the bottom cylinder, the extension of the telescopic ends of an electric push rod II and an electric push rod III drives a supporting arm cylinder IV to extend out from a supporting arm cylinder III and a supporting arm cylinder I to extend out from a supporting arm cylinderII, so that the polishing height of the device is adjusted in multiple stages in a use process, and the construction angle of each supporting arm is adjusted through the rotation of a servo motor II.

The invention relates to a fluidized bed semi-coke heat carrier system and method for preventing a boiler from being contaminated. The system can perform semi-coke heat carrier raw coal pyrolysis by adopting a heating lifting tube, a heat semi-coke tank and a pyrolysis reactor. According to the system combined with a fluidized bed, raw coal is firstly mixed with high temperature semi-coke in the pyrolysis reactor so as to be subjected to high temperature pyrolysis, and volatilizable alkali chloride is volatilized into pyrolysis gas, so that the content of alkali metal in firing coal of the fluidized bed is reduced, the alkali metal inside combustion flue gas is further reduced, and the situation that convection heating surfaces are contaminated is fundamentally solved or greatly alleviated; meanwhile, a sodium resource can be collected when the pyrolysis gas passes through a purification device, and the purified pyrolysis gas and tar are fed into the fluidized bed to be combusted, so that combustible components in coal are effectively utilized, and the combustion efficiency of the boiler is ensured.

The invention discloses a planar high-electron-mobility transistor which comprises a heterojunction composed of a first semiconductor epitaxial layer and a second semiconductor epitaxial layer and two-dimensional electron gas located at the interface of the heterojunction. The bottom surface of the gate trench of the trench gate is located at the bottom of the two-dimensional electron gas to cut off the two-dimensional electron gas; when the gate-source voltage is greater than or equal to the threshold voltage, an inversion layer is formed on the surface of the first semiconductor epitaxial layer covered by the side surface and the bottom surface of the gate conductive material layer, and two-dimensional electron gas at the source-drain end is conducted so that the device is conducted; and when the gate-source voltage is smaller than the threshold voltage, the source-drain end two-dimensional electron gas is disconnected and the device is closed. According to the invention, the trench gate of the MOSFET is adopted to control the conduction channel of the HEMTs, so that the threshold voltage can be conveniently and independently adjusted, and the normally-closed planar high-electron-mobility transistor can be conveniently realized; and the electric field of the drift region can be conveniently adjusted, so that the electric field of the drift region is uniformly distributed, the breakdown voltage of the device can be improved, and the specific on-resistance and size are reduced.

The invention discloses a modular covered-type terrestrial heat cyclic utilization device. The modular covered-type terrestrial heat cyclic utilization device comprises a foamed plastic thermal baffle, a cyclic interchange box, an air blower, a booster air pump, a hot gas outlet pipe and a propeller shaft. A side clamping groove is formed in the edge of the foamed plastic thermal baffle. The hot gas outlet pipe penetrates through the foamed plastic thermal baffle and the top of the cyclic interchange box, and a motor is fixed to the edge side of the cyclic interchange box. A horizontal frame penetrates through the side wall of the cyclic interchange box. A driving gear is in meshing connection with a driven gear, and the propeller shaft is installed on the side wall of a bottom contact boxthrough a bearing pedestal installed on the propeller shaft. According to the modular covered-type terrestrial heat cyclic utilization device, the novel structural design is adopted so that the modular covered-type terrestrial heat cyclic utilization device can be directly arranged on a terrestrial heat water source land for large-area modular installation, there is no need to collect and transfer geothermal water, heat energy in the geothermal water can be directly absorbed in various modes, geothermal water conveying and transferring energy and resource consumption is reduced and the utilization efficiency of geothermal energy is improved.

The invention discloses a semiconductor laser for optical fiber communication, comprising: a transmitting end, an optical fiber and a receiving end, the transmitting end includes a semiconductor laser line array, and a first emitting end collimator lens, a first emitting end arranged in sequence along the optical path Diffraction grating at the end and a collimating lens at the second transmitting end; the optical fiber has a first end face and a second end face; the receiving end receives the laser beam from the second end face of the optical fiber, including receiving end collimators arranged in sequence along the optical path A lens, a receiving end diffraction grating, a focus conversion lens and a receiving photoconductor line array. The semiconductor laser of the present invention uses an external cavity to feed back the semiconductor laser line array, locks the semiconductor laser wavelengths in the multi-point line array at the same time, and then generates multi-wavelength semiconductor laser beams through spectrum combining.

The invention relates to pneumatic pipe connector. The pneumatic pipe connector comprises a direction adjusting mechanism, a pipe connecting mechanism and a fixing mechanism, the fixing mechanism comprises a fixing ring and a fixing screw, a ring sleeve is installed at one end of the fixing ring, inserting grooves are formed in the positions, close to one side, of the upper end and the lower end of the ring sleeve in a penetrating mode, the pipe connecting mechanism comprises a center ring pipe, and four connector branch pipes are installed on the outer side of the center ring pipe; and an adjusting inner pipe is arranged at the position, close to one end, in each connector branch pipe, a circle of annular groove is formed at the position, close to one end, of the periphery of each adjusting inner pipe, a fixing screw hole is formed at the position, located at the corresponding annular groove, of the front surface of each adjusting inner pipe, a sealing cover is arranged at the tail end of each adjusting inner pipe, and a flow limiting mechanism is arranged at the other end of each adjusting inner pipe. According to the pneumatic pipe connector, even if the pneumatic pipe connector is fixedly installed, the direction of the connector branch pipes can still be adjusted, a pneumatic pipe can be conveniently installed, and meanwhile, the stability of the connecting position of the pneumatic pipe and the connector is enhanced, the pneumatic pipe is prevented from being separated from the adjusting inner pipes, and the flow of fluid flowing through the four adjusting inner pipes can be independently adjusted.

The invention discloses an inverse system-based active and reactive power independent control method for a microgrid in the technical field of the microgrid in a power system. The method comprises the following steps: firstly calculating active power and reactive power which need to be transmitted on a circuit connected with a controlled micro-power supply; further using a control unit of an inverse system to calculate effective value and phase of voltage outputted by the controlled micro-power supply according to the inputted active power and the reactive power; and finally using a pulse width modulation (PWM) control unit to calculate and emit a pulse signal according to the effective value and the phase of the voltage, controlling an inverter of the controlled micro-power supply, and realizing the control of transmission of the active power and the reactive power on the circuit. By adopting the method, the mutual coupling problem of the active power and the reactive power in power transmission through a transmission line in the microgrid is solved, and the control method is applicable to characteristics of parameters of the circuit in the microgrid and can precisely control thepower transmission and realize independent regulation of the active power and the reactive power.

The invention relates to a three-dimensional dynamic vibration absorber for a pipeline. The three-dimensional dynamic vibration absorber for the pipeline comprises a clamping ring for clamping the pipeline tightly, the clamping ring is fixedly connected with a support, multiple first frequency adjusting blocks and multiple second frequency adjusting blocks are located on the periphery of the support and arranged in the peripheral direction, the first frequency adjusting blocks are connected with the support through a pair of first leaf springs, the first leaf springs are arranged transversely, the second frequency adjusting blocks are also connected with the support through second leaf springs, and the second leaf springs are arranged longitudinally relative to the first leaf springs. The peripheries of the first frequency adjusting blocks and the peripheries of the second frequency adjusting blocks are fixedly connected to an outer shell through second fasteners. The three-dimensional dynamic vibration absorber for the pipeline is simple in structure, convenient to mount and demount, small in occupied space and capable of being used in environments under normal temperature, high temperature and high irradiation and effectively achieves three-dimensional vibration control of the pipeline, the inherent frequency in every direction can be adjusted conveniently, reliably and independently.

The invention relates to a low-cost millimeter wave beam scanning antenna applied to a 5G mobile terminal, which is suitable for the field of mobile communication. The low-cost millimeter wave beam scanning antenna comprises a patch array, a floor provided with a coupling groove and a feed microstrip line provided with a 2-bit phase shifter; the patch array is formed by ten equally spaced rectangular patch units; the lower portion of each patch unit is provided with a pair of coupling grooves, the lower portion of each pair of coupling grooves is provided with one 2-bit phase shifter, each phase shifter leads out four branch microstrip lines from the center feed microstrip line, and the length of each branch line is controlled by a binary switch to provide a phase change of 0 degree, 90 degrees, 180 degrees and 270 degrees. The traveling wave feature of the leaky wave antenna is employed to construct the phase shifter to reduce the antenna cost, and the radiation antenna and the feed network are respectively put at two sides of the floor to increase the degree-of-freedom of design.

The invention discloses a crest generator which is achieved through a separator which is welded on a stand shaft. A reflux tank and a separator outer shell mainly guarantee that welding flux passes through a working area of the separator. A crest liner is divided into two portions through a division plate. The two portions respectively provide the welding flux of a crest and respectively use adjustable valves to regulate and control flow and pressure of the welding flux so as to enable heated soldering tin to flow into a separating tank to be separated. A crest outlet I is integrally connected with a crest outlet II. The crest outlet I is a tubular nozzle, can not only produce chaos crests, but also enable the welding flux of the crest II to flow in a tubular nozzle gap. Two adjustment valves are respectively provided with an adjustment rod which is used for adjusting the casing pipes in the adjustment valves. A power system is driven through a motor. Compared with an existing method that two motors are utilized to drive double crests, the crest generator has the advantages of being good in soldering tin quality, small in size of a tin furnace and small in welding flux oxidation quantity, saving electric charge when used and the like.

The invention relates to a three-dimensional dynamic vibration absorber for a pipeline. The three-dimensional dynamic vibration absorber for the pipeline comprises a clamping ring for clamping the pipeline tightly, the clamping ring is fixedly connected with a support, multiple first frequency adjusting blocks and multiple second frequency adjusting blocks are located on the periphery of the support and arranged in the peripheral direction, the first frequency adjusting blocks are connected with the support through a pair of first leaf springs, the first leaf springs are arranged transversely, the second frequency adjusting blocks are also connected with the support through second leaf springs, and the second leaf springs are arranged longitudinally relative to the first leaf springs. The peripheries of the first frequency adjusting blocks and the peripheries of the second frequency adjusting blocks are fixedly connected to an outer shell through second fasteners. The three-dimensional dynamic vibration absorber for the pipeline is simple in structure, convenient to mount and demount, small in occupied space and capable of being used in environments under normal temperature, high temperature and high irradiation and effectively achieves three-dimensional vibration control of the pipeline, the inherent frequency in every direction can be adjusted conveniently, reliably and independently.

The invention discloses a movable illuminating lamp of a range hood, and relates to the technical field of movable illuminating lamps of the range hood. The movable illuminating lamp of the range hoodcomprises a case, wherein the case is fixed in the range hood, an illuminating lamp left-right moving device is arranged in the case, and comprises a first rectangular connecting rod, and the front face of the lower part of the first rectangular connecting rod is fixedly connected with a cylindrical sliding rod. According to the movable illuminating lamp of the range hood, two LED illuminating lights are driven by the left and right movement of a cross sliding rod to move light and right, the left and right movement of the cross sliding rod slides in four cylindrical movable rods, the four cylindrical movable rods rotate in four fixed lantern rings, and the four fixed lantern rings are fixed on a disc. The cross sliding rod drives the left and right movement of the two LED illuminating lights, and a user can adjust the positions of the LED illuminating lights automatically, so that the mobility of illuminating light is improved.

The invention provides an integral front axle and a vehicle with the same. The integral front axle comprises an axle package, two axle pipes connected with the two sides of the axle package respectively, cleats located at the ends, away from the axle package, of the axle pipes and used for being connected with main pins, and a connecting structure. At least one cleat is detachably arranged on the axle tube corresponding to the cleat through the connecting structure, the cleat is provided with different fixing positions on the axle tube through the connecting structure, and at each different fixing position, the included angles between the axes of the main pin mounting points on the cleats and the axes of the transmission shaft mounting points on the axle package are different. According to the integrated front axle, on the premise that the supporting strength is guaranteed, the kingpin caster angles on the two sides of a vehicle and the included angle between the steering knuckle and the transmission shaft can be conveniently and independently adjusted; meanwhile, the positions of all component mounting points on the axle tube are still kept at the original mounting angles, and variables influencing the axle base, the direction accuracy and the suspension height of a chassis are not introduced.

The invention discloses a continuous casting cooling spray device. The continuous casting cooling spray device comprises an inner arc spray assembly, an outer arc spray assembly and a left spray assembly and a right spray assembly, wherein the inner arc spray assembly is arranged below an outlet of a crystallizer and is located on one side of an inner arc of a casting blank, the outer arc spray assembly is located on one side of an outer arc of the casting blank, and the left spray assembly and the right spray assembly are separately located on two sides of a plane where the casting blank curves in an arc shape; the inner arc spray assembly, the outer arc spray assembly and the left spray assembly and the right spray assembly are provided with a plurality of layers of nozzles in a spaced manner along the length direction of the casting blank, separately, the distances from the nozzles in each layer to the surface of the casting blank are equal, and the distances from the nozzles in different layers to the surface of the casting blank are equal, too. According to the continuous casting cooling spray device, the spray assemblies are separately arranged around the casting blank to guarantee that the casting blank is sprayed and cooled uniformly, so that the cooling effect is improved, the quality of a steel billet is guaranteed, and severe quality problems, such as center cracks,collapse, bulges and curved billets, of the steel billet are avoided. The surrounding spray assemblies which are relatively independent are convenient to maintain and replace, good in universality, suitable for casting blanks of different cross-section dimensions and long in service life.

The invention provides a waveform generation device for transcranial alternating current stimulation, and relates to the technical field of transcranial alternating current stimulation. The waveform generation device comprises: a first waveform generation circuit, which is used for generating a theta wave signal with a first waveform; a second waveform generation circuit, which is used for generating a gamma wave signal with a second waveform; and a composite circuit, which is used for superposing the gamma wave signal at the wave crest of the first waveform to obtain a composite wave signal for each period of the theta wave signal, wherein the composite wave signal is used as a stimulation signal of transcranial alternating current stimulation of an Alzheimer&aposs disease patient. The waveform generation device provided by the invention has the following beneficial effects: the composite wave signal is formed through multi-frequency-band coupling; through a stimulation mode that multi-brain-region stimulation is simultaneously carried out through a plurality of output electrodes, a neural regulation mechanism related to working memory and an effective plastic neural pathway can be further improved; and thus, healthy elder people, people with mild cognitive impairment and people with Alzheimer&aposs disease are helped to improve the working memory ability and cognitive ability.