87results about How to "Achieve mutual transformation" patented technology

The invention discloses an electric automobile brake energy regeneration transmission device with an elastic rubber belt energy accumulator and aims at providing an electric automobile brake energy regeneration transmission device which is high in energy conversion efficiency, large in energy density, light in weight and simple in structure. The electric automobile brake energy regeneration transmission device comprises the elastic rubber belt energy accumulator and a gear transmission case. The power connecting end of the elastic rubber belt energy accumulator is connected with the power connecting end of the gear transmission case, and two ends of a first shaft of the gear transmission case are respectively connected to the output end of a speed changer and the power input end of a main speed reducer. The electric automobile brake energy regeneration transmission device is used for converting kinetic energy in the electric automobile braking process into elastic potential energy to be stored in the elastic rubber belt energy accumulator, converts the elastic potential energy stored in the elastic rubber belt energy accumulator into electric automobile kinetic energy in the electric automobile starting process, achieves braking energy regeneration of an electric automobile and achieves the purposes of reducing electric quantity consumption of the electric automobile and increasing a driving range of the electric automobile.

The invention relates to a vehicle queue length fast detection algorithm based on local feature analysis, which belongs to vehicle flow detection in intelligent traffic. In a video monitoring area, local features of an image are optimized from the whole image, three columns of pixel values containing a lane image are only selected when the traffic information of the vehicle queue length is detected, and a one-dimensional feature array is formed on the basis of weighted reconstruction for analysis. The imaging principle of a camera is simplified into a pin hole model, thereby realizing conversion between a pixel distance and an actual distance; Gaussian filtering and wavelet transform are used to be combined to reduce noise interference, the wavelet base section is db4, and the number of decomposition levels is 3; a local background subtraction method is used for extracting foreground; and finally, a sliding window with a variable length is used for detecting a queue tail. The algorithm of the invention is used for testing a photographed traffic monitoring video, the result shows that the algorithm accuracy is high, the operation rate is fast, errors in the field of vision is smaller than 5%, time consumed for single frame processing is only 10ms, and actual application requirements can be met.

The invention discloses a system and a method for adjusting a display interface of a mobile phone based on left-hand and right-hand use habits; the system comprises a mobile phone body; an acceleration sensor, a touch display screen, a display module, a central processing unit (CPU), a microcontroller, a switcher, a first driving module and a second driving module are arranged in the mobile phone body; the acceleration sensor is connected with the CPU; the CPU is connected with the microcontroller through the switcher; the microcontroller is connected with the display module respectively through the first and second driving modules; and the display module is connected with the touch display screen. According to the invention, because the acceleration sensor is set in the mobile phone, when a mobile phone user shakes the mobile phone, corresponding trigger signals are generated, the display interface of the mobile phone is switched through the switcher and the microcontroller, and the left-hand and right-hand operation methods of the mobile phone are switched. Compared with the prior art, the left-hand and right-hand use habits are switched, the possibility of switching to a right-hand (left-hand) use function when the left hand (right hand) of the user cannot touch a blind area on the right side (left side) of the display screen is realized, and the problem of the inconvenience in use of left-hand and right-hand functions of the intelligent mobile phone because the screen is quite large is effectively solved.

The invention discloses a CAE file conversion method and device based on a general reading-writing framework. The conversion method comprises: S1, reading the file content in the model file A according to the row order; S2, mapping the file content of each row in line with the format analysis of the model file A according to the pre-configured reading configuration file in the general reading-writing framework; S3, according to the pre-configured writing configuration file in the general read-write framework, mapping the unified data model to the model file B in the format of the model file B. The general reading-writing framework and the intermediate bridge unified data model are introduced in the invention, the reading configuration file and the writing configuration file are written in the general reading-writing framework, and the unified data model is combined to convert the model file A generated in the CAE data processing process into the model file B of different formats, to realize mutual conversion of model files of different formats.

The invention relates to a reversible wedge-type overrunning clutch with grooves in an inner ring. The reversible wedge-type overrunning clutch comprises an outer ring, the inner ring, a plurality of wedges, a spring and a shift fork, wherein arc-shaped grooves are formed in the inner ring and distributed along the peripheral direction. According to the reversible wedge-type overrunning clutch, the inner ring is provided with the arc-shaped grooves distributed along the peripheral direction, mutual conversion of overrunning relationship between the outer ring and the inner ring is achieved through manipulation of the shift fork, mutual locking between the outer ring and the inner ring also can be achieved, and a coupler which transmits power in a bidirectional mode is formed.

The invention relates to a reversible-wedge-type overrun clutch with an outer ring provided with grooves. The overrun clutch comprises the outer ring (1), an inner ring (2), wedges (3), a pretightening spring (4) and a shifting fork (5), and is characterized in that the outer ring (1) is provided with the arc-shaped grooves (11) distributed along a circle, a circular arc at one end of each wedge (3) is attached to the grooves in the outer ring (1), the wedges (3) are symmetrically arranged between the outer ring (1) and the inner ring (2), the pretightening spring (4) and the shifting fork (5) are arranged between the wedges (3), and the shifting fork (5) and the outer ring (1) rotate synchronously. Mutual conversion of overrun relationship between the outer ring (1) and the inner ring (2) is achieved through operation for the shifting fork (5), and the outer ring (1) and the inner ring (2) can be mutually locked to form a coupler capable of bidirectionally transferring power.

The invention discloses a tertiary amine CO2 / N2 switch-type Gemini surfactant and a synthetic method thereof. The synthetic method comprises the following steps: (1) dissolving ethidene diamine in absolute ethyl alcohol, heating the mixture, then adding an ethanol solution where bromododecane is dissolved, and stirring the mixture to obtain a reaction liquid I; (2) cooling the reaction liquid I and filtering and drying the reaction liquid to obtain solid powder; (3) dissolving solid powder in absolute ethyl alcohol, heating the mixture, then separately dropwise adding ethanol solutions where N,N-dimethyl-3-chloropropylamine and potassium iodide are dissolved into the mixture, and stirring the mixture to obtain a reaction liquid II; and (4) cooling the reaction liquid II, washing and drying the reaction liquid II to obtain a target product, adding the target product into a closed pressure container, adding water, introducing a CO2 to obtain a surfactant, and introducing N2 to convert the surfactant into a non-surfactant. The method disclosed by the invention is simple, and can smoothly convert the surfactant and the non-surfactant, so that the surfactant can be repeatedly used, and has a wide application prospect.

An optimized design of piston rod mechanism curved surface guide channel on rotary body surface includes carrying out optimization design on curve of curved surface guide channel on rotary body surface and providing three sets of optimized curve equation set based on 85102435.1 patent of P. R. China.

The invention discloses an impedance test system and method for a three-phase alternating current circuit. The system comprises a disturbing signal injection module, a signal processing module, a signal amplification module, a signal detection module, a frequency responding measuring module and an impedance calculation module; the method comprises the steps that step one, a disturbing signal is generated; step two, the disturbing signal in a dp coordinate system is converted into an abc three-phase alternating current signal; step three, the disturbing signal is amplified and injected into thethree-phase alternating current circuit; step four, the signal detecting module measures a voltage signal of a power supply and a port responding signal and conducts smoothing adjusting on the signals; step five, the port responding signal is transformed to the dq coordinate system from an abc coordinate system; step six, frequency responding is obtained; step seven, impedance of the three-phasealternating circuit is obtained through calculation. The design is novel and reasonable, three-phase alternating current impedance can be conveniently and accurately tested, important significance isachieved on analyzing of stability of the three-phase alternating current circuit, the practicability is high, and the popularization and application value is high.

The invention discloses a method for regenerating chloranil by oxidation of hydrogen peroxide and belongs to the technical field of preparation of compounds. The method mainly comprises the followingsteps of: 1) adopting chloranil as a raw material and adopting hydrogen peroxide as an oxidant, stirring in a methanol solvent to carry out reaction, wherein chloranil is almost not dissolved in methanol, so that with conduction of reaction, products are gradually precipitated out to obtain yellow solid; 2) separating reaction liquid obtained in the step 1) by simple filtering operation to obtaina product (chloranil) so as to realize regeneration of chloranil. The method disclosed by the invention has the beneficial effects that the cost is lower, the aftertreatment is simple and convenient,the yield of chloranil is higher, the solvent can be reused for multiple times, the operation is simple, the produced sewage is less, so that the method is environmentally friendly and is suitable forindustrial large-scale production.

The invention discloses a method for controlling rotation of liquid drops after collision, and belongs to the technical field of material interface infiltration. According to the method, patterning infiltration modification is performed on the surface of an object, liquid drops are controlled to be collided with a high-viscosity / hydrophobic low-viscosity substrate at a certain speed, and a controllable rotation rebounding behavior can be formed after the liquid drops are collided by controlling the viscosity difference between different regions of the substrate, the symmetry of a substrate pattern and the collision speed of the liquid drops. Through adoption of the method for controlling rotation of liquid drops after collision disclosed by the invention, the translational kinetic energy of the liquid drops can be transformed into rotational kinetic energy, mutual transformation among different energy forms is realized, and the research category of the Newton impact law is broken. Therotational kinetic energy of the liquid drops can be used for driving a substance to rotate directionally, and a new thought and a research basis are provided for novel hydroelectric generation. The method for controlling the rotation rebounding of the liquid drops can be applied to energy collection and transformation, substance driving, substance mixing and the like.

The invention discloses a display device and display equipment. The display device comprises a frame which is adjustable in width, a flexible screen mounted on a bracket; and the width of the flexiblescreen is adjustable. The display device and the display equipment have the beneficial effects that the flexible screen part is arranged in a sliding block partially, so that the size of the displaydevice is reduced, and the display device is convenient to carry; during use, the flexible screen can be completely opened, so that the display area is increased, and the impression experience of a user is improved; the two display devices are connected through a connecting part to form I-shaped display equipment; the flexible screen is completely stretched, one display device achieves the displayfunction of a display panel, the other display device achieves the function of a touchable keyboard, and mutual conversion between a mobile phone and a notebook computer is achieved.

The invention belongs to the field of functional materials, and more particularly relates to a redox-responsive color-changing rare earth supramolecular gel fluorescent material and a preparation method thereof. The redox-responsive color-changing rare earth supramolecular gel fluorescent material is prepared by mixing a mixed solution of an aqueous solution containing rare earth ion europium ionsand alkali liquor with an organic solution containing gel factor 3,5-dinitrosalicylic acid. Under alkaline conditions, the rare earth supramolecular gel fluorescent material is self-assembled by utilizing the coordination effect of the gel factor 3,5-dinitrosalicylic acid and rare earth ion europium ions and the PI-PI interaction of benzene rings of the 3,5-dinitrosalicylic acid. The gel formed has unique fluorescence characteristics of the rare earth ions, good luminous intensity and high fluorescence efficiency, and the excitation spectrum is located in a visible light region and has stronganti-interference capability. The rare earth supramolecular gel has redox responsiveness, simple and rapid preparation process, no need of heating treatment, and easily available gel factor, and therare earth supramolecular gel material has better application prospect in the high-end anti-counterfeiting field.

The invention discloses a spherical gear and fluted disk mechanism comprising a continuous spherical gear and a discrete fluted disk. The continuous spherical gear is a hemispherical body, and the hemispherical surface of the continuous spherical gear is provided with a plurality of toothed slots; the discrete fluted disk is in a disk shape, and the disk body of the discrete fluted disk is provided with a plurality of convex teeth engaged with the toothed slots; and the continuous spherical gear can do spatial motion on the discrete fluted disk. One convex tooth of the discrete fluted disk ofthe spherical gear and fluted disk mechanism is inserted into one toothed slot of the continuous spherical gear, and three-degree-of-freedom motions of deflection, pitching and rotation around the axis can be achieved; and mutual transformation between planar motion and spherical motion can be achieved, and stable meshing transmission and no transmission principle error can be ensured through themeshing mode that the convex teeth of the fluted disk are inserted among concave spherical teeth.

The invention discloses a folding tricycle. The tricycle can be folded into a two-wheel trolley. The technical scheme of the invention is that: the folding tricycle comprises a front face, a main beam, a pull rod, a chassis, a seat plane, a hook, a seat back, a fork arm, a pedal, a connecting rod, and other components. The front face is hinged with the main beam and the pull rod; the pull rod is hinged with the chassis; the chassis and the main beam are crossly hinged to form a front parallelogram; the main beam and the seat plane are hinged; and the seat back is hinged with the seat plane and the chassis to form a rear parallelogram. By opening and closing the hook which is arranged at the front end of the seat plane, the transformation between the parallelogram and the triangle is realized. When the hook is closed, the frame is two triangles, and the stability of the triangles makes the tricycle body firm; and when the hook is opened, the frame is two parallelograms, and the tricycle is folded into the two-wheel trolley by using the mobility of the parallelogram.

The invention relates to the technical field of multi-functional sofas, and specifically relates to a 180-degree overturning invisible sofa bunk bed. The 180-degree overturning invisible sofa bunk bedcomprises an upper sofa seat and a lower sofa seat, wherein the lower sofa seat is internally provided with an installation frame; and a lower bed frame lifting connecting rod is arranged inside theinstallation frame. The 180-degree overturning invisible sofa bunk bed is characterized in that the installation frame is internally provided with an extension type lower bed frame; an overturning connecting rod is connected with the lower bed frame lifting connecting rod; the extension type lower bed frame comprises a lower bed frame and an extension bed frame; the extension bed frame is U-shaped; and two sides of the extension bed frame are slidably installed inside sliding grooves in the front and rear ends of the lower bed frame. The 180-degree overturning invisible sofa bunk bed has the advantages that the structure of a lower bunk is improved, an extension telescoping mechanism is added, the lying area of the lower bunk after unfolding is increased, and the sofa bunk bed is safer andgood in protection performance. The sofa bunk bed is light in weight, convenient for transportation, high in strength and long in service life. Through simple pull-up overturning operation, mutual conversion of a sofa and a bunk bed can be realized, the operation is simple and convenient, the space is saved, and the sofa bunk bed is applicable for houses with relatively small areas.

The invention relates to a tactic styrene type thermoplastic elastomer and a preparation method thereof. The novel tactic styrene type thermoplastic elastomer is prepared by selecting an appropriate rare earth catalyst system, catalyzing styrene and butadiene for coordination copolymerization and considering polymerization activity of two monomers, wherein the content of a cis-1,4 structure of a PB chain segment is greater than 90 percent. The PS chain segment contains rich syndiotactic structures, so that while phase separation of a copolymer is generated, crystallization can be realized, physical crossing points are enhanced and stabilized, a melting point is below 210 DEG C, further the modulus and strength of the segmented copolymer are improved, and meanwhile a material is endowed with excellent workability, heat resistance, abrasive resistance, physical and mechanical properties and the like.

The invention discloses an intelligent train tunnel noise generating system based on single chip microcomputer control, which comprises a mounting structure and an integrated device (4) connected with the mounting structure, wherein the integrated device (4) comprises a single chip microcomputer processing unit, a noise generating unit, a piezoelectric ceramic generating module connected with the single chip microcomputer processing unit through a data line, a voltage-stabilizing energy storage module and an intelligent control module. Noise generated by the train in the tunnel is used, and through the piezoelectric generating module and the intelligent control module arranged at two sides of the tunnel, electric energy conversion by the tunnel train noise and intelligent lighting control are realized; and the recovery and the utilization of noise energy can be effectively realized, the energy is saved while the purpose of noise reduction is achieved, and the line arrangement in the tunnel is simplified.

The invention relates to a distributed type energy supplying device and a cooling, heating and power decoupling method and device. When a center controller of the distributed type energy supplying device is in a large running mode and the electric load currently needed by a user side is larger than or equal to real-time power generating power, a power storing device is started to supplement electric energy for a user side, and an organic Rankin power generating unit is started to recycle waste heat of an absorbing type heat pump unit and a gas internal combustion engine and supplement the electric energy for the user side; under the large running mode and when the cold load currently needed by the user side is larger than or equal to first preset cold load, an electric heat pump unit is started to acquire the electric energy of the power storing device, the gas internal combustion engine and a renewable energy power generating device for refrigerating and supplementing cold gas for theuser side; and under the large running mode and when the heat load currently needed by the user side is larger than or equal to the first preset heat load, the electric heat pump unit is started to acquire the electric energy of the power storing device, the gas internal combustion engine and the renewable energy power generating device for heating and supplementing heat for the user side. Due tothe distributed type energy supplying device and the cooling, heating and power decoupling method and device, the energy utilizing rate can be increased, and environment friendliness is achieved.

The invention discloses a pair of high-heeled shoes with different replaceable heels. The main structure of each high-heel shoe includes the heel and a clamping platform, each clamping platform is arranged on the heelpiece part of a corresponding shoe body, and the clamping platforms and the heels are connected and fixed through latch mechanisms and wedge mechanisms; each latch mechanism includes a clamping groove arranged on each heel, and the corresponding clamping platform arranged on the heelpiece part of the shoe body, the clamping grooves and the clamping platforms are matched in shape and fixed mutually, and the clamping groove on the heelpiece part of each shoe body face a corresponding shoe head; the top layer of each clamping platform is connected with the heelpiece part of the corresponding shoe body, the bottom layer of each clamping platform is a wedge structure layer, and each clamping platform includes a button, a limiting shaft, a sliding wedge clamp column, a component fixing housing and a reset spring; each wedge mechanism includes a wedge at the rear end of the corresponding button and a sliding wedge clamp column with a wedge surface. According to high-heeled shoes with the replaceable different heels, a person wearing the high-heeled shoes can replace the heels without taking off the high-heeled shoes, the heels different in height can be replaced, and the requirement that the person can wear the shoes suitable in heel height on different occasions is met.

The invention relates to an energy storage system and method of an offshore wind generating set. The energy storage system comprises a first storage device and an energy storage device. The first storage device is a box body with a containing cavity, is far away from the bottom of a tower drum of the offshore wind generating set and is arranged at a preset height away from the sea level. The energy storage device comprises a water pump and a motor in transmission connection with the water pump, and the water pump communicates with the first storage device through a first pipeline and further communicates with seawater through a second pipeline. The motor is connected with the power grid and used for driving the water pump to pump the seawater into the first storage device. Or, when the first storage device releases the seawater, the water pump is pushed to operate and drive the motor to generate electricity at the same time, and electric energy is transmitted to the power grid. According to the energy storage system and method of the offshore wind generating set, a pumped storage power station does not need to be specially built according to terrains, stored energy of the offshorewind generating set can be flexibly adjusted, and the reliability is high.

The invention provides a risk reduction scheduling method for an electricity-gas interconnected energy system under the condition of fan failure, which is used for solving the problem of high risk forthe safe operation of the electricity-gas interconnected energy system due to the failure of a wind turbine generator set caused by faults of a power grid and the generator set in the prior art. Themethod comprises the steps of establishing a fan failure risk indicator of the electricity-gas interconnected system considering P2G based on the operation characteristics of the electricity-gas interconnected system and the fan failure risk; fully considering the constraint of an electric power system and the constraint of a natural gas system, establishing a multi-objective optimization model with the minimum risk of fan failure and the minimum coal consumption cost of a coal-fired unit so as to solve the contradiction between the risk and the coal consumption cost in the operation process of the system, thereby realizing risk reduction scheduling of the electricity-gas interconnected energy system, and improving the wind power consumption capability of the electricity-gas interconnectedsystem.

The invention discloses an indoor mountain climbing mechanism capable of simulating real mountain climbing scenes in the field of fitness equipment and can simulate the real mountain climbing scenes.The indoor mountain climbing mechanism comprises a casing part, a driving part, a motion loop part and a conversion part, wherein vertically symmetrical friction belts are driven to operate by a geardrive mechanism through a motor, friction wheels pass through the friction belts and rotate under received friction force, so that the angle of pedals changes, the mode of the whole stairs is converted, and the structure is simple; the angle of the stair pedals parallel to the ground is adjusted by the conversion part, so that the multiple pedals inclined to the ground are connected to form a slope, conversion between a stair mode and a slope mode of the mountain climbing mechanism is realized, and breakthrough in two-mode integration is realized; the vertically symmetrical friction belts aredriven to operate by the gear drive mechanism through the motor.

The invention discloses efficient electromechanical integrated equipment which comprises an electromechanical shell, a generator set, a motor set, a rotary shaft, a flywheel and a flywheel guard. Theelectromechanical shell is externally provided with a cylindrical shell and internally provided with the generator set and the motor set in sequence. The rotary shaft is arranged in the middle of theelectromechanical shell in a penetrating mode and provided with the generator set and the motor set. The left side of the rotary shaft is connected with the flywheel, and the outer side of the flywheel is provided with the flywheel guard in a covered mode. The flywheel guard is equal to the electromechanical shell in diameter. The efficient electromechanical integrated equipment has the beneficialeffects that the structure is simple, use is convenient, the generator set and the motor set are arranged, on the one hand, power can be provided for mechanical movement, and electric energy is converted into kinetic energy; on the other hand, the electric energy can be reserved, the electric energy is converted into mechanical energy, mutual conversion of the kinetic energy and the mechanical energy is achieved, and the efficiency is improved; and meanwhile, a cooling device is arranged, the temperature is decreased, and the service life is prolonged.

The invention provides an electric system electromechanical transient simulation model building method based on an ODM. The electric system electromechanical transient simulation model building method based on the ODM comprises the following steps of (1) carrying out improvement on the defects of the ODM, (2) on the basis of the improved ODM, building a transition model applicable to electric system electromechanical transient simulation calculation according to the model situation of a targeted electric system, and (3) carrying out conversion on the transition model, and obtaining the final electric system electromechanical transient simulation model. The electric system electromechanical transient simulation model building method based on the ODM is clear in layer, simple and easy to implement, and can make full use of the advanced IT software technology and the advanced IT hardware technology to build a powerful electric system electromechanical transient simulation program and a complete electric system basic data management database. The electric system electromechanical transient simulation model building method based on the ODM has full expandability and openness, is beneficial to model maintenance, facilitates interaction with other programs which need to operate the electric system electromechanical transient simulation model, and is convenient to use and practical.

The invention discloses scissors with scale, which comprise scissor arms and a rivet. Angular scale is engraved on the scissor arms. The scissors with the scale can achieve cutting with angular requirements without aid of other measurement tools during cutting so as to save a procedure of drawing lines on a cut object and improve working efficiency.