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121results about How to "Resolve adjustments" patented technology

Flexible assembling and welding tool for frames

The invention discloses a flexible assembling and welding tool for frames. The flexible assembling and welding tool comprises a platform, side beam compressing devices (2), cross beam positioning devices (3) and cross beam jacking devices (4), wherein the side beam compressing devices (2), the cross beam positioning devices (3) and the cross beam jacking devices (4) are arranged on the platform. The platform (1) is provided with first sliding grooves (11), and the side beam compressing devices (2) are arranged in the first sliding grooves (11) correspondingly through connecting pieces. Second sliding grooves (12) are formed in the middle portion of the platform (1), and the cross beam positioning devices (3) are arranged in the second sliding grooves (12) correspondingly. The cross beam jacking devices (4) are arranged between the cross beam positioning devices (3) side by side in the Y direction. The assembling and welding tool has extremely high universality and applicability; and when the tool is used for assembling and welding truck frames of different types, it is not required to change the tool, only appropriate adjustment is needed, the product preparation period is short, the product exchanging efficiency is high, the output capacity of a workshop of unit area will not be affected, and too large pressure will not be brought to the workshop for storing the tool.
Owner:CRRC QINGDAO SIFANG CO LTD

Spherical head assembly for attaching optical and/or electronic device to stander

ActiveCN108474512ASolve the problem of the adjustment of the base planeResolve adjustmentsStands/trestlesPivotal connectionsCouplingEngineering
Spherical head assembly for attaching an optical and / or electronic device to a stander with an adjustability in at least two degrees of freedom, which has a first part that can be releasably connectedto the stander and a second part which is provided with a support element for the releasable connection of the device to be held thereby, and one of the two parts is a spherical head (20, 100) that has a body (21, 99) which has at least in part a spherical shape, and the other part comprises a cavity formed as a spherical segment which encircles the spherical head (20, 100) at least in part and is fitted thereto, and comprises an adjusting means for coupling the two parts together and releasing the same coupling, and in the initial position of intended use the held device is adjusted in horizontal or almost horizontal position. In the second part a groove (24, 108) is provided that has a vertical central plane and extends along the largest diameter of the spherical segment, and on the first part a circularly symmetrical stud (25, 103) is provided at a position that corresponds to the vertical diameter of the spherical segment and the stud (25, 103) can be fitted in the groove (24, 108), and in the fitted position the stud (25, 103) allows the displacement of the two parts along the groove (24, 108), and the stud (25, 103) allows the turning of the two coupled spherical fitted segments around the vertical axis of the stud (25, 103) at each of the adjusted positions, and the adjusting means is arranged on that one of the two parts which has the spherically shaped cavity, and when the position of two parts are fixed the adjusting means presses the cavity to the spherical body (21, 99).
Owner:巴拉兹卡门 +1

Three phase electric energy meter based on C8051F310SOC single-chip

The invention relates to a three-phase electric energy meter based on a C8051F310SOC single chip. The electric energy meter comprises a central processor, a clock module, a storage module, a 485 communication module, an external key, an AD acquisition module, a voltage comparator module and a power supply feed circuit; the electric energy meter takes C8051F310 as the central processor of a system, and a display part is connected with a master control chip through a SPT interface to perform SPI communication; the clock module is PCF8563, 8 pins thereof are in dual in-line package, and the clock module is connected with the master control chip; a storage module is AT24C16, 8 pins thereof are in dual in-line package, and the storage module shares an IIC bus with a clock chip PCF8563; a central chip of the 485 communication module is MAX485E, 8 pins thereof are in dual in-line package, and the 485 communication module is connected with an upper computer and is responsible for network communication with the upper computer; the external key is connected to a pin of a master control chip P3.4; the AD acquisition module mainly comprises a sensor, a signal conditioning module and ADC in a C8051F310 sheet; and the voltage comparator module is connected to a comparator input pin inside the master control chip. The electric energy meter has the advantages of high metering precision, low cost, simplicity, reliability and so on, and the meter energy meter has extremely strong reconfigurability, and is particularly suitable for popularization in civil electric meters.
Owner:CAPITAL NORMAL UNIVERSITY

Intelligent management early-warning system of college student behaviors

InactiveCN106156943ACaring Behavior DynamicsTimely interventionResourcesFace scanningEarly warning system
The invention discloses an intelligent management early-warning system of college student behaviors. The system at least comprises M student behavior prediction management system intelligent terminals which are connected mutually through a network, as well as a parent handheld terminal and a teacher handheld terminal which are connected with the student behavior prediction management system intelligent terminals through the network; each student behavior prediction management system intelligent terminal comprises a student daily face scanning module and a student behavior intelligent processing module; the M student behavior prediction management system intelligent terminals are respectively arranged in different functional places of a campus. According to the invention, the student daily face scanning modules check whether students are in specified locations in specified time or not, different locations and attendance data of different times are obtained by arranging the M student behavior prediction management system intelligent terminals in different places of the campus to obtain dynamic and all-around information of the student behaviors. The system sends the attendance data to a reminding module of the parent handheld terminal in real time.
Owner:河南省阳光智创物联网科技有限公司

Automatic platform testing method and system developed based on intermediate layers of instruments

The invention discloses an automatic platform testing method developed based on the intermediate layers of instruments. The method comprises the following steps: connecting a device to be tested; loading a consistent intermediate layer interface for connecting to the library files of different flow testing instruments; and connecting to the flow testing instruments via the consistent intermediate layer interface so that tests can be performed without changing the library files even when a testing environment changes. According to the testing method, the consistent intermediate layer interface of the instruments is defined so that an automatic developer does not need to develop several different test libraries for different testing instruments and a user only needs to load the consistent intermediate layer interface of the instrument without considering the type of the instrument operating in the testing environment. The problem of the adjustment of the whole testing kit due to the change of the testing environment is solved and the stability of automatic platform testing is enhanced; the compatibility with the library file interfaces of the instruments of different types can be realized and the physical property operations of the different types can be shielded.
Owner:湖州帷幄知识产权运营有限公司

Four-wheel steering system for automobile

InactiveCN105292251ADecrease speed and increase torqueMeet the steering requirementsSteering linkagesElectrical steeringVehicle frameEngineering
The invention discloses a four-wheel steering system for an automobile. The steering system comprises a traditional steering system and an independent steering system, wherein front wheels adopt the pinion-and-rack traditional steering system, and rear wheels adopt the independent steering system; the rear wheel independent steering system is composed of motors, a reduction mechanism and a transmission mechanism, the motors are rotary motors, and the reduction mechanism is a worm and gear mechanism; the transmission mechanism comprises a vehicle frame, the left rear wheel corresponds to one rotary motor, the right rear wheel corresponds to one rotary motor, and the two rotary motors are independent of each other and control the steering motion of the corresponding wheels. By the adoption of the four-wheel steering mode, the defects of a traditional steering system are overcome, the front wheels and the rear wheels conduct antiphase steering during low-speed turning, and then the turning radius of the automobile is reduced to improve maneuverability; the front wheels and the rear wheels mainly conduct in-phase steering during high-speed turning, the side slip angle of the automobile can be reduced, the steady-state overshoot of the automobile yaw rate can be reduced, and the handling stability of the automobile is further improved.
Owner:JILIN UNIV

Radio-frequency amplifier digital bias circuit, method and communication equipment

The embodiment of the invention relates to a digital offsetting circuit of a radio frequency amplifier. The digital offsetting circuit comprises a plurality of radio frequency amplifiers, a plurality of current detection resistors, an analog-digital converter and a gating module; the input end of the gating module is connected with the first partial pressure end and the second partial pressure end of each current detection resistor; and the output end of the gating module is connected with the input end of the analog-digital converter in order that one of a plurality of the current detection resistors is selected and is in electric connection with the input end of the analog-digital converter. The embodiment of the invention also relates to a digital offsetting method for the radio frequency amplifier, which comprises the following steps: according to gating control information, the drain electrode of the radio frequency amplifier is selected in electric connection; static working current output by the drain electrode of the current radio frequency amplifier is received; and the current static working current is compared with preset reference value and is adjusted to be equal to the preset reference value. The embodiment of the invention reduces the number of the analog-digital converter needed in the offsetting circuit, simplifies the circuit, saves distribution space of PCB and reduces material cost.
Owner:HUAWEI TECH CO LTD

AR (augmented reality) adjustable transparent projection screen, projection method and manufacturing method

ActiveCN110109319AFix display issues with augmented realityTroubleshoot Imaging Display IssuesProjectorsNon-linear opticsProjection screenComputer science
The invention discloses an AR (augmented reality) adjustable transparent projection screen, a projection method and a manufacturing method. The projection screen sequentially comprises AG glass, a holographic projection film, a PDLC adjustable light film, a one-way perspective film and ultra-white glass. The projection method comprises the following steps: enabling one side of AG glass to face a projector, and enabling one side of the ultra-white glass to face outdoors, wherein when an observer watches from the side of the AG glass, the light projected by the projector forms primary imaging onthe holographic projection film, and the light projected by the projector forms secondary imaging on the PDLC dimming film; and when the light on one side of the ultra-white glass is bright, the hazeof the PDLC dimming film is adjusted, so that the projection effect and the perspective effect are observed to the optimal state. According to the manufacturing method, the method comprises the steps: pasting the holographic projection film on the surface of AG glass, pasting the one-way perspective film on the surface of ultra-white glass, integrating optical components and assembling optical components. The holographic projection film is used for primary imaging to project images, the PDLC adjustable light film is used for secondary imaging, and the secondary imaging is superposed on the primary imaging, thereby improving the imaging effect is enhanced while the perspective effect of the projection screen is ensured.
Owner:苏州晟晖信息技术有限公司

Calibration method and device for error of included angle between ccd target face and mounting and positioning face based on leaked radiation imaging

The invention discloses a calibration method and device for an error of an included angle between a ccd target face and a mounting and positioning face based on leaked radiation imaging. The device comprises an illuminating light source, a to-be-detected fluorescent material, a metal layer-containing chip substrate, refractive index matching oil, a microobjective, a reflector, a polarization element group, an optical filter, a bunching lens, a horizontal slide rail, an imaging lens and a ccd image sensor. A fluorescent sample irradiated by illuminating light generates a fluorescent surface plasmon wave and leaks radiation through the metal layer-containing chip substrate, and fluorescent imaging is achieved after a signal is collected through the microobjective. In the period, the excitinglight sent by the illuminating light source is filtered by the polarization element group and the optical filter. By moving the position of the imaging lens, the target face of the ccd image sensor is detected by means of leaked radiation Hough transform algorithm, so that the error of the included angle, which is hardly found, between the ccd target face and the mounting and positioning face bymeans of a conventional means is calibrated precisely. The device is simple in structure and high in applicability.
Owner:NANJING UNIV OF SCI & TECH

Full-load air conditioner device and control method thereof

The embodiment of the invention discloses a full-load air conditioner device and a control method of the full-load air conditioner device. The air conditioner device comprises a condenser, an invertercompressor, a condensing fan, an evaporator, an evaporation fan, a throttling electronic expansion valve, an air suction temperature sensor, a pressure sensor, a bypass electronic expansion valve andan air conditioner controller. The two ends of the bypass electronic expansion valve are connected between the condenser and the inverter compressor and between the evaporator and the electronic expansion valve correspondingly through pipelines, and the air conditioner controller is electrically connected with the inverter compressor, the throttling electronic expansion valve, the condensing fan,the evaporation fan, the pressure sensor, the air suction temperature sensor and the bypass electronic expansion valve. The problem of adjustment of the precise air conditioner refrigeration low loadis solved by adjusting the refrigerant flow in the bypass electronic expansion valve, therefore precise air conditioner refrigeration load adjustment is lowered to 0% from 100%, electrical heating does not need to serve as thermal compensation, the energy saving effect is good, and the machine room temperature adjustment is stable.
Owner:深圳市亿凌捷科技有限公司

Track adapter, driving power supply with same and lamp

ActiveCN112856355ASolve the problem of difficult adjustment phaseEasy to adjustLighting support devicesElectric circuit arrangementsEngineeringElectrode Contact
The invention discloses a track adapter. The track adapter comprises a base, an electricity taking column, an adjusting conductive part and an adjusting knob, wherein the base is used for being fixedly connected to a lamp, the electricity taking column is rotatably arranged above the base around a first central axis, a column body is provided with a negative electrode conducting strip and at least two positive electrode conducting strips, each positive electrode conducting strip comprises a positive electrode electricity taking section and a positive electrode contact extending to the top of the electricity taking column from the positive electrode electricity taking section, all the anode contacts are arranged at intervals around the first central axis, the adjusting conductive part is rotationally arranged at the top of the electricity taking column around the first central axis and comprises a conductive contact movably connected to the top of the electricity taking column, the moving path of the conductive contact passes through all the positive electrode contacts, and the adjusting knob is fixedly connected to the adjusting conductive part, and a rotating central shaft of the adjusting knob coincides with the first central axis. The invention further discloses a driving power supply with the adapter and a lamp with the adapter. According to the track adapter, the driving power supply with the same and the lamp, neat and beautiful are achieved, and the problem that the phase adjustment is conducted difficultly by the adapter is solved.
Owner:SELF ELECTRONICS CO LTD

Adjustable cervical vertebra anterior approach operation posture placement device for vertebral column surgery

The invention discloses an adjustable cervical vertebra anterior approach operation posture placement device for vertebral column surgery. The adjustable cervical vertebra anterior approach operationposture placement device comprises a supporting plate, wherein a lying board is mounted on the supporting plate, fixing blocks I are symmetrically mounted at one end of the lying board, fixing bolts are separately mounted on the fixing blocks I in a penetrating manner, shaft seats I are separately mounted at mutual-close ends of the fixing bolts, fixing plates are separately mounted at side edges,far away from the fixing bolts, of the shaft seats I, sponge plates are separately mounted at side edges, far away from the shaft seats I, of the fixing plates, a fixing cloth strip is mounted on thelying board and is located between the fixing plates, a fixing block II is mounted at the middle part of one side edge of the lying board, the two ends of the fixing cloth strip penetrate through thefixing block II and extend to one side, far away from the fixing cloth strip, of the fixing block II, and a shaft seat II is mounted at the middle part of one side edge, far away from the fixing cloth strip, of the fixing block II.
Owner:徐军平
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