181results about How to "Achieve independent regulation" patented technology

The invention relates to a vibrating mechanism with stepless adjustable eccentric moment. At least four eccentric shafts are arranged on a box body of the vibrating mechanism, wherein half of the eccentric shafts are arranged side by side at the upper part of the box body to form an upper eccentric group, the other half of the eccentric shafts are arranged side by side at the lower part of the box body to form a lower eccentric group, all the eccentric shafts are provided with eccentric blocks and gears respectively, the gears of the upper eccentric group and the gears of the lower eccentric group are meshed with each other respectively, one eccentric shaft in the upper eccentric group is connected with a hydraulic motor, the other eccentric shaft in the upper eccentric group is provided with an upper chain wheel, one eccentric shaft in the lower eccentric group is connected with the hydraulic motor, the other eccentric shaft in the lower eccentric group is provided with a lower chain wheel, the upper chain wheel and the lower chain wheel are connected through a chain, two adjusting chain wheels are arranged between the upper and the lower eccentric groups and connected with the chain, and the two adjusting chain wheels are connected with connecting rods which are fixedly connected with a telescopic rod of a hydraulic cylinder. The invention can achieve the effect of selectively adjusting and controlling the working vibration amplitude of the engineering machine, can prolong the service life of the machine and improve the work efficiency and the work adaptability, and has a strong practicability and a wide prospect for market application.

The invention relates to an electrolytic milling-grinding machining tool cathode with efficiency and precision and an electrolytic milling-grinding method, and belongs to the field of electrolytic milling-grinding composite machining. According to the electrolytic milling-grinding machining tool cathode and the electrolytic milling-grinding method, a plurality of arc-shaped grooves at equal intervals are formed in the lower end of the side wall of the tool cathode, the side walls of the grooves are insulated, and diamond abrasive particles are inlaid in the wall surfaces of the portions, except for the grooves, of the side wall of a cathode base body through a resin binder, so that electrochemical anodic dissolution only exists in the surfaces of the portions, opposite to the grooves, of aworkpiece, at the moment, the depths of the grooves become a part of a machining gap, accordingly the contact depth between the diamond abrasive particles in the portions, except for the grooves, ofthe side wall of the cathode base body and the machining surface of the workpiece is increased, then the grinding effect of the diamond abrasive particles on the workpiece in the electrolytic milling-grinding process is enhanced, and the precision and the surface quality of the electrolytic milling-grinding machining can be improved; and moreover, compared with the electrolytic milling-grinding finish machining under the low current density in the past, the tool cathode can adopt higher current density, and the machining efficiency can be improved.

The invention relates to a compound PID (proportion integration differentiation)-based centroid regulating mechanism and a regulating method, which are used for centroid regulation of a six-degree-of-freedom air bearing table of an orbiter and ascender simulator in a full-physical simulation test of the moon weak impact rendezvous and docking ground. According to the compound PID-based centroid regulating mechanism and the regulating method, a precise compound PID-based centroid regulating scheme is provided for the first time. The centroid regulating difficulty of the air bearing table is reduced, the regulating speed is increased, the engineering practicability of the system is guaranteed, and the problems of long system regulating time, low precision and poor stability when a deflection angle of the six-degree-of-freedom air bearing table is large are solved.

The invention relates to an electric heating system and a control method thereof. The electric heating system comprises an electric heat storage boiler unit, a water circulation unit, a heat pump main body unit, a climate compensator and a control unit, wherein the electric heat storage boiler unit is connected with the water circulation unit connected with a heat supply zone through an inner circulation pipe of a first heat exchange unit; the heat pump main body unit is connected with the water circulation unit connected with the heat supply zone through an inner circulation pipe of a second heat exchange unit; and the climate compensator and the control unit are separately connected with the electric heat storage boiler unit, the heat pump main body unit and the water circulation unit. According to the technical scheme provided by the invention, when electricity usage is at a low trough, circulating water can be independently or simultaneously heated by the heat pump and the electric heat storage boiler, so that the problem that the temperature rise of the heat pump is limited is solved, the heat utilizing efficiency is increased, and the energy source is saved; and at the same time, electric energy is converted to heat energy and stored in a heat storing body by the electric heat storage boiler, and when electricity usage is at a high peak, the heat can be released by the electric heat storage boiler through the heat storing body to heat the circulating water and realize indoor heating, so that the electricity usage pressure of a power grid is relieved, and electricity fees are saved for a user.

The invention discloses a diameter grading system for a rhizome material. The system comprises a rack, a rotating conveying chain, multistage rotating rollers and a material conveying device arranged below the multistage rotating rollers, wherein the multistage rotating rollers comprise a fixed roller and a moving roller which are arranged alternately and form a sorting gap; a fixed roller supporting plate and a moving roller adjusting and supporting plate are arranged at two ends of both the fixed roller and the moving roller respectively and arranged on the chain plates on the same side of the rotating conveying chain; the two ends of the fixed roller rotationally move along horizontal friction rails arranged on the rack; a plurality of gap set devices arranged in the conveying direction of the rotating conveying chain are arranged at two ends of the moving roller respectively; the plurality of gap set devices are relatively fixed and connected with the rack and form an integrated flat guide rail after mutually connected; the flat guide rail is arranged obliquely upwards in the material conveying direction; the sorting gap formed between the fixed roller and the moving roller is continuously enlarged in the conveying direction of the rotating conveying chain; a friction wheel fixedly connected with two ends of the moving roller rolls along the supporting surface of the flat guide rail under the driving of the rotating conveying chain.

The embodiment of the invention provides a refrigerating system and a control method thereof and belongs to the technical field of air conditioners. The refrigerating system and the control method are used for solving the technical problems that if two sets of air conditioning systems are used for separately adjusting the temperature and the humidity, the cost is high and the installation space is large. The refrigerating system comprises a compressor, a condenser, a first throttling element, a second throttling element, a gas-liquid separation part, a first evaporation device and a second evaporation device. A liquid outlet of the gas-liquid separation part communicates with an inlet of the first evaporation device and an inlet of the second evaporation device. An outlet of the first evaporation device communicates with a first port of the second throttling element. An outlet of the second evaporation device communicates with a second port of the second throttling element. A third port of the second throttling element communicates with a low-pressure port of the compressor. The refrigerating system and the control method thereof provided by the embodiment of the invention are used for manufacturing air conditioners.

The invention discloses a multifunctional multi-mode electromagnetic flow control device of a slab continuous casting crystallizer. The device comprises an inner arc electromagnetic stirrer and an outer arc electromagnetic stirrer which are abbreviated as L-EMS and F-EMS respectively and arranged on an inner arc of a crystallizer copper plate and an outer arc of the crystallizer copper plate respectively; the L-EMS and the F-EMS are each provided with an upper sensor and a lower sensor, and each sensor is provided with four magnetic induction areas; each magnetic induction area is independently controlled by a PLC, the PLC controls the sizes, the directions and the phase sequences of coil currents by being connected with coils in the corresponding magnetic induction areas to change the magnetic field motion directions and the magnetic field polarities, and then the molten steel motion direction is changed; by changing the magnetic field motion direction and the magnetic field polarity of each magnetic induction area, multiple molten steel flow modes are combined. According to the device, three-dimensional adjustment of the magnetic field and flow field state in a casting blank is achieved through design of double sensors arranged on the inner arc side and the outer arc side and adjustment and control over the different stirring modes, and therefore not only can the casting blank surface quality problem be solved, but also the casting blank interior quality problem can be solved.

The invention discloses a device based on cam power and with variable oil supply correct time and duration. The device comprises a pump body, two oil feeding-returning channels arranged on the pump body, a pump cover, a plunger, a plunger sleeve, a plunger spring, two control gears, an engine cam, a gear with a pin slot, a pin, a control gear and an ejection rod. A group of outer gears meshed with one control gear are arranged on the outer rotating surface of the plunger sleeve, and the plunger sleeve can rotate independently relative to the pump body by rotating the control gear. The ejection rod connected with the plunger is driven by the gear with the pin slot to rotate through the pin, and the plunger can also rotate independently relative to the pump body under control of the other control gear. The device achieves single adjustment at oil supply correct time by adjusting relative position of the plunger and a plunger sleeve upper body in the axial direction and achieves single adjustment of oil quantity by adjusting synchronous rotating of the plunger sleeve upper body and the plunger. The device can achieve independent adjustment of oil supply time and oil supply quantity, reduces discharge and improves dynamic performance and economy of the engine.

The invention discloses an ultra wideband differential antenna with reconfigurable trapped wave, and a technical problem that the trapped wave of an existing ultra wideband differential antenna can not be reconstructed and the volume is large is mainly solved. The ultra wideband differential antenna comprises a micro strip feeder (1), a micro strip dielectric substrate (2), a metal grounding plate (3) and a radiation unit (4). Two sides of the micro strip feeder are provided with micro strip short circuit stubs (5), the center of the metal grounding plate (3) is provided with a slot line structure (6), two sides are provided with reflectors (7), and a guide device is arranged in front of the radiation unit. Each of the micro strip short circuit stubs (5) comprises a uniform impedance resonator and a variode, the adjustment of a trapped wave center frequency is realized through adjusting the control voltage of the variode, the distance between each uniform impedance resonator and the micro strip feeder is changed synchronously, and the independent adjustment of a trapped wave bandwidth is realized. The ultra wideband differential antenna has the advantages of a reconfigurable trapped wave center frequency and a small volume and can be used for mobile communication.

The invention relates to an independent chirp parameter regulating system for realizing a two-tone laser field. A beam splitting piece which is inserted into an entrance of a pulse compressor of a femtosecond pulse laser divides a light source into two beams of light; the first beam of light enters into one pulse compressor and a hollow optical chirp system, and the other beam of light passes through a plane mirror B and enters into the other pulse compressor and the other hollow optical chirp system; the two beams of light are synthetized into one beam of light after passing through a reflector delayed time system and a frequency doubling crystal; and the synthesized beam of light passes through a reversible plane mirror and then is connected with a higher-order harmonic generating and detecting device and a spectrum phase interferometry instrument respectively so as to form the independent chirp parameter regulating system for realizing the two-tone laser field. The independent chirp parameter regulating system can carry out independent pulse compression on light with amplified energy in a femtosecond amplifier so as to acquire two beams of laser light sources capable of independently regulating the chirps; and the independent chirp parameter regulating system is simple in structure and easy to operate.

The invention relates to a prefabricated radiant heating system comprising a steam turbine, a condenser, a water cooling tower, a plate-type heat exchanger, a user circulating pump, a heat supply network circulating pump and a cooling water pump, wherein one end of the condenser is connected with the steam turbine and obtains circulating cooling water with increased temperature, and the other end is respectively connected with the plate-type heat exchanger and the water cooling tower; a part of the circulating cooling water carry out heat exchange with the plate-type heat exchanger to supply heating to users, and the other part of the circulating cooling water enters the water cooling tower for cooling; the user circulating pump is matched with the plate-type heat exchanger; the cooling water pump is arranged between the water cooling tower and the condenser, and cooling water flows back into the condenser. The prefabricated radiant heating system has multiple advantages of low improvement expense without improving the traditional steam turbine and condenser, short engineering period, good economy, quick effect, high heat energy utilization ratio, and the like.

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 invention discloses a trench gate MOSFET, comprising an inner region and an edge region, wherein the edge region is located at the edge of the conduction region for leading out the gate structureof each cell in the conduction region; A first trench is formed in the inner region, and a second trench having a width equal to or greater than the first trench is formed in the edge region. Forminga first gate dielectric layer on the inner side surface of each first trench, and forming a second gate dielectric layer having a thickness greater than the first gate dielectric layer on the inner side surface of the second trench; Each of the first and second trenches is filled with a polysilicon gate, and each polysilicon gate is connected to the gate through a contact hole formed in the top ofthe polysilicon gate of the second trench. The invention also discloses a manufacturing method of a trench gate MOSFET. The invention can improve the withstand voltage ability of the edge region andcause the breakdown of the device to occur in the inner region, thereby improving the shock resistance of the device.

The invention provides an adjusting mechanism of a diaphragm plate of an alignment system. The adjusting mechanism comprises an operation cabinet shell, a diaphragm plate fixing board, a sliding table fixing board and an Rz adjusting board, wherein the diaphragm plate fixing board and the sliding table fixing board are fixed on the operation cabinet shell, an XY sliding table is fixed on the sliding table fixing board, a sliding table connecting board is installed on the XY sliding table which is provided with a knob for controlling the sliding table connecting board to independently move in the X direction and the Y direction relative to the operation cabinet shell, the Rz adjusting board is provided with an arc track hole and is matched with guide pins which are arranged on the sliding table connecting board, the Rz adjusting board can slide in a track along the guide pins, i.e., the Rz adjusting board can rotate in the Rz direction relative to the sliding table connecting board, and a diaphragm plate assembly is fixed on the diaphragm plate fixing board. According to the adjusting mechanism of the diaphragm plate of the alignment system, three-degree-freedom independent adjustment on the diaphragm plate can be realized, and the convenience of the adjustment and the structure stability can be improved.

The invention relates to an adjusting unit applicable to a headlight, particularly to a headlight having two light sources (A and B). The adjusting unit comprises a basal body member and a sliding block relative to the basal body member and capable of being adjusted along the adjusting direction, with the sliding block being used for adjusting the bearing element loaded with two light sources around the horizontal axis. The adjusting unit further comprises a first adjusting device for adjusting the sliding block and a second adjusting device, wherein the second adjusting device is used for adjusting the partition bearing the second light source B of the bearing element around the axis extending vertically to the horizontal axis; the second adjusting device comprises a rotary section of the basic component side, the sliding block section of the sliding block side, and a rotary coupler. Therefore, although the rotary section and the sliding block section are connected in a rotary manner, they can be arranged in a mutually and relatively moving manner thanks to the rotary coupler. In addition, the invention discloses a headlight applicable to vehicles. The headlight comprises a light source A arranged upon the bearing element and a light source B arranged upon the partition of the bearing element. The headlight is characterized in that: the headlight comprises an adjusting unit; the bearing element having light source A and light source B can be adjusted around the horizontal axis via the first adjusting device; and only the partition bearing the light source B of the bearing element can be adjusted around the axis extending vertically to the horizontal axis via the second adjusting device.

The invention relates to an independent adjusting device for light source height of a multi-layer plant culture shelf. The device comprises a vertical frame; a plurality of layers of bearing shelves are fixed at intervals in the vertical frame from top to bottom at intervals; a main light board is arranged above any one of the bearing shelves; each main light board is glidingly matched with a guide chute which is vertically formed in the circumferential side of each main light board; a driven rotating shat passes through the center of each main light board; each driven rotating shaft is correspondingly connected with a transmission wheel assembly; a first driving rotating shaft and a second driving rotating shaft are vertically arranged in the vertical frame; a switching arm set which sleeves the first driving rotating shaft is in rotating fitting with a connecting part set which sleeves the second driving rotating shaft; one connecting part is connected with each transmission wheel assembly to drive the corresponding driven rotating shaft to rotate, and other connecting parts are idle. The invention further relates to an adjusting method of the independent adjusting device for the light source height of the multi-layer plant culture shelf. With the adoption of the device and the method, the main light boards at different shelf layers can be independently adjusted; the flexibility is high; the adaptability is high.

The invention belongs to the field of optical design and discloses a laser variable-taper variable-diameter rotary cut hole machining optical system. The system is provided with a rotary shaft and comprises the following optical components which are arranged in sequence along a light path and include a laser light beam one-way compression assembly, a first wedge-shaped lens set, a single-lens wedge-shaped lens (7), a focus lens (8) and a second wedge-shaped lens set, wherein the first wedge-shaped lens set is composed of two wedge-shaped lenses which are the same in wedge angle and is used foradjusting the offset of laser light beams; the single-lens wedge-shaped lens is used for inducing the laser inclination angle; and the second wedge-shaped lens set is composed of two wedge-shaped lenses which are the same in wedge angle and is used for adjusting the offset of focused light spot. By modifying composition of all the components and cooperative work modes among all the components, the laser inclination angle and the offset from the laser focal point to an optical axis can be independently adjusted in a large range, then the required hole diameter and taper proportioning can be achieved, focused light spot distortion caused by coma after laser focused light spot leaves the optical axis and inclines can be compensated, and the laser variable-taper variable-diameter rotary cut hole machining process which is good in machining effect is achieved.

The invention provides a mechanical torsional vibration table based on a double-eccentric-wheel module. The mechanical torsional vibrator comprises a torsional vibration table surface and two eccentric wheel assemblies. The two eccentric wheel assemblies are respectively located on two sides of the torsional vibration table surface, and are connected with the torsional vibration table surface. Thetwo eccentric wheel assemblies apply homodromous torque to the torsional vibration table surface, and the torque changes in a sinusoidal mode. Torsional vibration with adjustable amplitude and frequency can be superposed to a workpiece in the hole drilling and hole expanding process. The structure is simple, and operation is easy. The mechanical torsional vibration table is suitable for vibrationassisted drilling machining technology. The torsional vibration effect is good, and therefore hole drilling and hole expanding are more accurate. Independent amplitude and frequency adjusting is achieved. The frequency can be adjusted by adjusting the rotating speed of a driving serve motor. The amplitude can be adjusted by adjusting the angle of eccentric subwheels. Convenience, rapidness and stability are achieved.

The invention discloses a triangular mesh reparameterization method for parameter curved surface fitting. The method comprises the following steps: obtaining an initial parameterized triangular mesh and generating a parameter curved surface; calculating a reparameterization correction vector of the vertex according to the projection of the error vector of the vertex on the curved surface; initializing a correction coefficient of the vertex of each triangular grid; putting all triangles in the triangular grid into an inspection queue, inspecting whether the reparameterization result of the triangles meets a limiting condition or not, removing the triangles from the inspection queue if the reparameterization result of the triangles meets the limiting condition, and gradually adjusting the correction coefficients of the vertexes of the triangles if the reparameterization result of the triangles does not meet the limiting condition until the limiting condition is met; and finally updatingthe parameter space coordinates of the vertex according to the correction vector and the correction coefficient to obtain a new parameterization result. According to the method, while the parameterization result can be efficiently optimized, it is ensured that the defects of parameter space triangular mesh overlapping and the like are not introduced, and the reparameterization result can be used for parameter curved surface fitting and obtaining a higher-precision fitting result.

The invention provides a light beam transmission stabilizing device for transmitting an emitted light beam from a laser to an illumination system, and a light beam control module is arranged on the transmission optical path, wherein the light beam control module comprises a first light beam control unit (41), a second light beam control unit (42), and a third light beam control unit (43). A spectroscope (44) is arranged on an emergent light path of the light beam control module, the spectroscope (44) divides the light beam into two beams, wherein one light beam enters an illumination system (5), and the other beam enters a light beam measuring module (45). The light beam measuring module (45) is connected with a controller (46) for supplying measured data to the controller (46). The controller (46) are connected with the first light beam control unit (41), the second light beam control unit (42) and the third light beam control unit (43) of the light beam control module for supplying control signal to the light beam control module to regulate the light beam position deviation and directional deviation.

The invention provides a polar coordinate-based non-polar dimming and color modulation method. By combination of a Glasman color mixing principle, a chroma and luminosity parameter algorithm model ina polar coordinate is established; chroma and luminosity are converted into two paths of PWM controlled quantity, so that independent regulation of luminosity and color temperature is realized, and quick setting of luminosity and color temperature according to needs can be achieved; specific to the problems of shaking and flickering in the dimming process, a dynamic smooth dimming mechanism is proposed, and dimming experience is improved; and compared with the existing method, dimming accuracy in the invention is highly improved, the algorithm realization complexity is low, and quite high practical value is achieved.

The invention relates to a special regulating device for construction of trench-reserved tracks of tramcars and an application method of the special regulating device. The special regulating device consists of a cross beam, supporting parts and rail bearing channels, wherein a group of the supporting parts are symmetrically welded to two ends of the cross beam; based on the midpoint of the cross beam, two groups of channel steel harnesses are separately and vertically welded to the two ends of the cross beam; each group of the channel steel harnesses consists of a left channel steel harness and a right channel steel harness which are oppositely erected; two jackscrew nuts are separately and oppositely welded to grooves in the lower ends of the left channel steel harness and the right channel steel harness which are erected oppositely, and circular holes is formed in the corresponding positions of webs so that jackscrews penetrate through the circular holes to be mounted; bolt holes allowing the rail bearing channels to be connected and mounted are formed in wing plates at the bottoms of the channel steel harnesses, so as to form the whole regulating device. Compared with the prior art, the special regulating device disclosed by the invention has the advantage that a channel steel harness type rail bearing measure is adopted, so that the problem that a general rail regulating device for the construction of the trench-reserved tracks of the tramcars cannot be erected for rail regulation is solved.

The invention belongs to the technical field of energy dissipation and vibration reduction of disaster prevention and reduction and particularly relates to an eddy current tuned mass damper. The eddy current tuned mass damper comprises an upper top plate and a mass block composed of mass block bodies; connecting holes are formed around the upper top plate and the mass block bodies, the upper top plate is provided with spring connecting holes for being connected with spring spiral heads; lifting screw holes are formed in the two sides of the upper top plate; the upper spring spiral heads are connected with the upper top plate and provided with screw threads for being connected with springs; the lower spring spiral heads are connected with a lower bottom plate and provided with screw threads for being connected with springs; permanent magnets are disposed between the springs and the lower spring spiral heads; the permanent magnets and the lower spring spiral heads are in bolt connection; and a middle guide rod and the lower bottom plate are in bolt connection, the permanent magnets are arranged outside the middle guide rod, and the permanent magnets are in bolt connection with the middle guide rod. The eddy current tuned mass damper has the advantages of being high in damping, adjustable in frequency according to different working conditions, good in durability and easy to replace.