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96results about How to "Interfere" patented technology

Ablation test method of thermal protection structure of high supersonic velocity aircraft

The invention discloses an ablation test method of a thermal protection structure of a high supersonic velocity aircraft. The ablation test method of the thermal protection structure of the high supersonic velocity aircraft includes the following steps: placing the thermal protection structure of the high supersonic velocity aircraft in an electric arc wind tunnel to conduct an ablation test. In the ablation test process, a computer utilizes a synchronous device to drive two cameras to conduct collection on an image pair, a filter device is adjusted in real-time to conduct light intensity adjustment to obtain an optical image quality when collection is conducted, and the computer processes the image pair which is collected at the same moment to obtain a three-dimensional morphology information of a measured object at the moment. According to three-dimensional morphology information of the measured object at different moment, ablation amount of the measured object is calculated. The ablation test method of the thermal protection structure of the high supersonic velocity aircraft is simple in operation and low in cost, can overcome extremely bad experiment conditions of the electric arc wind tunnel and can obtain surface morphology change course and ablation of the thermal protection structure of the high supersonic velocity aircraft in real-time.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Vehicle control method and system

The invention provides a vehicle control method and system, and relates to the technical field of vehicle intelligent control. The vehicle control method comprises the following steps: receiving identity information of a pedestrian approaching a vehicle and distance information between the pedestrian and the vehicle; and when the identity information shows that the pedestrian is a vehicle owner and the distance between the pedestrian and the vehicle is smaller than a first preset distance, controlling to start a touch screen display system; responding to the instruction of the touch screen display system, controlling the vehicle to execute a corresponding action. According to the method and the system, the touch screen display system is arranged on the vehicle, and the functions of intelligent unlocking of the whole vehicle, intelligent projection and closing of the transparent touch screen system, touch control, intelligent locking of the whole vehicle, misoperation prevention of a vehicle washing mode and the like can be achieved under the condition that the view in the vehicle is not affected. On the premise that the functions are achieved, the vehicle control method and systemare not restrained by the appearance of the vehicle, do not need to be sealed, are visual and visible, and are not limited by the brightness of the external environment.
Owner:WUHAN LOTUS CARS CO LTD

Shift register, array substrate driving circuit and display apparatus

The invention discloses a shift register, an array substrate driving circuit and a display apparatus so as to realize that the shift register can carry out periodic discharging on a capacitor and an output terminal in a non-working region and ensure that a signal output by the shift register in the non-working region is zero and interference to whole frame display is not generated. The shift register comprises the capacitor, a first pull-up unit, a first drop-down unit, a first drop-down control unit, a second drop-down unit and a second drop-down control unit, wherein the capacitor is charged under the control of a triggering signal so as to provide a first driving control voltage; the first pull-up unit makes a first clock signal output under the control of the first driving control voltage; the first drop-down unit periodically carries out discharging on the capacitor; the first drop-down control unit makes the first drop-down control unit periodically carry out discharging on the capacitor under the control of the first clock signal and a second clock signal; the second drop-down unit periodically carries out discharging on the output terminal of the first pull-up unit; the second drop-down control unit makes the second drop-down unit carry out discharging on the output terminal of the first pull-up unit under the control of the first clock signal and the second clock signal.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD

Self-centering locking damping device suitable for vehicle-mounted photoelectric turntable

The invention relates to a self-centering locking damping device suitable for a vehicle-mounted photoelectric turntable. An electric locking mechanism part of the device comprises a locking seat and three groups of linear motor locking mechanisms same in configuration and peripherally and uniformly distributed and mounted on a lower absorber mounting seat; the locking seat is fixedly connected to the bottom of an upper connecting flange part, the three groups of linear motor locking mechanisms are arranged on the lower absorber mounting seat at intervals; the upper part of an absorber component is fixedly connected to the upper connecting flange part; when the turntable is in a working mode, locking taper pins of the three groups of linear motor locking mechanisms are respectively inserted into three taper holes of the locking seat, such that a turntable connecting flange is rigidly connected to the absorber mounting seat; when the turntable is in a conveying mode, the locking taper pins of the three groups of linear motor locking mechanisms are separated from the taper holes of the locking seat, such that the turntable connecting flange is separated from the absorber mounting seat. The self-centering locking damping device has two capacities of stabilizing a base and facilitating conveying, and is high in locking precision and reliable in locking.
Owner:CHANGCHUN TONGSHI PHOTOELECTRIC TECH CO LTD

Medical weight measuring device

The invention provides a medical weight measuring device. The medical weight measuring device is placed below supporting columns, making contact with the ground, of a sickbed and is characterized in that the medical weight measuring device comprises at least one measuring part, a processing and display part and a control part; the measuring parts are placed under all the supporting columns respectively, and each measuring part comprises a weighing plate, a weighing sensor, an AD converter and a measuring side communication module; the processing and display part comprises a processing side communication module in communication with all the measuring side communication modules, a computing module, a storage module used for storing the initial weight of the sickbed, and a display module; the control part comprises a power supply control component, a zero setting control component and a computing control component; each measuring side communication module transmits weight data obtained through weighing of the corresponding weighing sensor to the processing side communication module; when a patient does not lies in the sickbed, the computing module performs sum operation to obtain the initial weight; when the patient lies in the sickbed, the computing module performs sum operation to obtain the total weight of the sickbed and the patient, and the weight of the patient is obtained after the initial weight is subtracted from the total weight.
Owner:UNIV OF SHANGHAI FOR SCI & TECH +1

Energy-saving automatic control device of cloth-bag dust removal system and control method for blast furnace dust removal

The invention provides an energy-saving automatic control device of a cloth-bag dust removal system and a control method for blast furnace dust removal. The energy-saving automatic control device comprises an input unit, a variable frequency drive unit, an execution unit and a PLC (programmable logic controller) control unit, wherein the input unit is composed of a fast acting fuse, a contactor and an electric reactor; the variable frequency drive unit consists of a rectification module and a capacitor, together with a braking unit, an inverter, a CPU (central processing unit) with a vector control function and a 220V power supply; the execution unit is composed of an electric reactor, a throttle rotary actuator and a throttle control device; the PLC control unit is composed of a PLC and an auxiliary circuit; the primary side of the rectification module of the variable frequency drive unit is connected with an output end of the electric reactor of the input unit and the secondary side of the rectification module is connected with the electric reactor of the execution unit through the capacitor and the inverter; the rectification module and the inverter are connected with the CPU through a bus, the CPU and the PLC are connected in a communication manner through a switching value and an analog quantity, and a throttle control end of the PLC unit is connected with the execution unit. Meanwhile, the device is used for controlling the blast furnace dust removal. By adopting the energy-saving automatic control device and the control method provided by the invention, the fan utilization can be improved, the accuracy control on the dust removal can be realized, the electric energy can be saved, heat productivity of the device can be reduced, the dust recovery rate can be improved, the cloth-bag damage rate can be reduced, and exhaust gas and dust emissions can be decreased.
Owner:CHINA THIRD METALLURGICAL GROUP ELECTRICAL INSTALLATION ENG

Preparation method of speckle and characterization method for material microdomain deformation

The invention discloses a preparation method of speckle and a characterization method for material microdomain deformation. The preparation method of the speckle comprises the following steps that (1)nanometer-sized speckle particle powder is prepared into a suspension; (2) after the suspension is subjected to standing for a period of time, an upper mother clear solution is taken for centrifugation to obtain a child clear solution; and (3) a substrate to be tested is placed in the child clear solution to enable speckle particle powder in the child clear solution to adhere to the surface of the substrate to be tested, and after drying, the speckle is prepared on the surface of the substrate to be tested. The characterization method for the material microdomain deformation comprises the following steps that (1) first the speckle is prepared on the surface of the substrate to be tested by using the preparation method of the speckle; (2) an initial SEM photograph and initial EBSD data ofthe substrate to be tested are obtained; (3) external force loading is performed on the substrate to be tested; (4) a deformation SEM photograph and deformation EBSD data of the substrate to be testedafter the deformation are obtained; and (5) the initial SEM photograph and the deformation SEM photograph are analyzed to obtain a strain field pattern. According to the preparation method of the speckle and the characterization method for the material microdomain deformation, a scanning electron microscope is successfully applied to a DIC experimental method.
Owner:SOUTHWEST JIAOTONG UNIV

Device and method for detecting flip cover or sliding cover of mobile terminal

The invention belongs to the technical field of mobile communication, and particularly relates to a device and a method for detecting a flip cover or a sliding cover of a mobile terminal. The device for detecting the flip cover or the sliding cover of the mobile terminal comprises the flip cover or the sliding cover, a main board, a central processing unit, a light emitting device and a distance sensor, wherein the light emitting device is used for providing a light source, and the light source generated by the light emitting device is irradiated on the sliding cover or the flip cover to generate reflected light; the distance sensor is used for detecting the signal intensity of the reflected light reflected from the sliding cover or the flip cover and converting the signal intensity of the reflected light into a distance between the flip cover or the sliding cover and the distance sensor; and when predetermined conditions are reached, the distance sensor sends an interrupt signal to inform the central processing unit that the mobile terminal generates flip cover or sliding cover action. The device and the method have the advantages that: the device and the method can accurately detect whether the flip cover or the sliding cover is opened in the mobile terminal, do not produce interference to the mobile terminal provided with an e-Compass (electronic guide or electronic compass) at the same time, and are convenient for a user to use.
Owner:HUIZHOU TCL MOBILE COMM CO LTD

Self-excited vibration principle-based microstructural fatigue test device

InactiveCN103487341ANo clampingThere is no problem of alignment difficultiesMaterial strength using repeated/pulsating forcesBiochemical engineeringLoad cycle
The invention discloses a self-excited vibration principle-based microstructural fatigue test device which comprises an insulating supporting base, a microtest piece, two direct-current driving electrodes and a substrate, wherein the insulating supporting base is neither connected with any electrode nor grounded, and is in a potential floating state; one end of the microtest piece is fixedly arranged on the insulating supporting base, and the other end is in a horizontal suspension state; a certain clearance is kept between the two direct-current driving electrodes, and the two direct-current driving electrodes are arranged at two sides of the microtest piece and are in parallel to the microtest piece, wherein one direct-current driving electrode is connected into direct-current positive voltage, and the other direct-current driving electrode is connected into direct-current negative voltage; the insulating supporting base and the direct-current driving electrodes are fixedly arranged on the substrate. The self-excited vibration principle-based microstructural fatigue test device is simple in structure, and avoids the problems of being difficult to clamp and align; a large enough low-cycle fatigue test load can be provided without the need of prefabricating a gap on the microtest piece or placing the microtest piece in the vacuum environment; the fatigue tests of a plurality of microtest pieces can be simultaneously performed with relatively low cost, and the load cycle number can be conveniently recorded.
Owner:BEIHANG UNIV

Power module and vehicle with same

The invention discloses a power module and a vehicle with the same. The power module comprises a shell, a power chip, a first heat radiation substrate and a second heat radiation substrate. An accommodation cavity is defined in the shell and is filled with insulation material. The first heat radiation substrate and the second heat radiation substrate are oppositely arranged. The power chip, the first heat radiation substrate and the second heat radiation substrate are all positioned in the accommodation cavity and are covered by the insulation material. The first heat radiation substrate and the second heat radiation substrate are arranged on the upper surface and the lower surface of the power chip respectively. A collector electrode is led out of the second heat radiation substrate, an emitting electrode is led out of the first heat radiation substrate, and a gate electrode is led out of the power chip. According to the power module provided by the embodiment of the invention, the upper and lower surfaces of the power chip achieve heat radiation at the same time, so that the heat radiation performance of the power module is greatly enhanced, thereby improving the reliability of the power module, and by arranging the insulation material in the shell, the effect of electrical insulation is achieved, devices in the shell are prevented from interference, and independent electrical features of each device are ensured.
Owner:BYD SEMICON CO LTD

Simultaneous phosphorus and nitrogen removal method for micro-polluted water

ActiveCN104108836AThe effect of synchronous denitrification and dephosphorizationReduce loadMultistage water/sewage treatmentImpellerNitrogen removal
The invention discloses a simultaneous phosphorus and nitrogen removal method for micro-polluted water. The method comprises the following steps: step 1, allowing raw water to enter a mixing zone at the bottom of a reactor; step 2, allowing the mixed solution to enter a lifting zone isolation hood under drive of an impeller of a mechanical lifting device; step 3, allowing the mixed solution to enter a mud layer reaction zone between a sleeve and an inner wall of the reactor after the mixed solution enters the lower part of the reactor, wherein diatomite is arranged in the mud layer reaction zone; step 4, allowing mud pie collected in the mud layer reaction zone to enter the mixing zone under the action of gravity along with a guide plate at the bottom of the reactor; step 5, performing intermittent reflux recoil by virtue of a recoil pipeline arranged at the bottom of the mixing zone. According to the process, the problem that phosphorus and nitrogen in the micro-polluted water exceed the standard is effectively solved, water eutrophication caused by standard exceeding of phosphorus and nitrogen can be prevented by virtue of phosphorus and nitrogen removal, and the method is suitable for deep phosphorus and nitrogen removal in rivers, lakes and other landscape water bodies.
Owner:BEIJING MUNICIPAL RES INST OF ENVIRONMENT PROTECTION

Method for eliminating shadow region of mobile subscriber by using multiple antennae of multiple base station terminals

The invention provides a method for eliminating a shadow region of a mobile subscriber by using multiple antennae of multiple base station terminals. The method comprises the following steps of: a. analyzing a channel matrix from a base station to a subscriber; b. judging the receiving signal to noise ratio of the subscriber under the condition that subscriber noise power is supposed to be known; c. judging whether the subscriber meets single-cell service condition according to the receiving signal to noise ratio of the subscriber; if so, entering a step d; and otherwise, entering a step e; d. servicing the subscriber only by the station of the current cell, and performing space division multiplexing for the subscriber in the current cell by a base station antenna; e. servicing the subscriber by the base stations of a plurality of cells, and performing space division multiplexing for the subscriber by base station antennae, and servicing the subscriber by different weave beams formed by multiple antennae of base stations of adjacent cells; and f. calculating a wave beam forming vector according to a service mode. The method is favorable for effectively eliminating the shadow region, reducing the complexity of scheduling multiple antennae of the base stations and improving communication quantity.
Owner:SHANGHAI DIANJI UNIV

Method and device for signal channel estimation denoising post-treatment in multiantenna system

The invention discloses a method for signal channel estimation denoising post-treatment in a multiantenna system, which comprises the following steps: obtaining a signal channel estimation result * of the multiantenna system, wherein the signal channel estimation result * comprises signal channel estimation results * of K users, namely, *=[ *1, *2, ellipsis, and *K], and k=1, 2, ellipsis, and k; obtaining a beamforming combination result *K of the multiantenna signal estimation of a user k and sequentially arranging the beamforming combination results of the users to obtain a row vector *=[*1,*2, ellipsis, and *K]; denoising the row vector * to obtain a denoised signal estimation result *; and according to a tap position set to zero in the denoised signal estimation result *, setting a corresponding position in the signal estimation result * to zero and outputting the signal estimation obtained after zero setting. The invention also discloses a device for signal channel estimation denoising post-treatment in the multiantenna system. The proposal of the invention can fully use the denoising capacity of multiple antennae and effectively improve the accuracy of the signal channel estimation denoising post-treatment.
Owner:DATANG MOBILE COMM EQUIP CO LTD
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