40results about How to "Realize the operation function" patented technology

The invention discloses a closed automatic detection device for blood rheology measurement, which comprises a test tube stand splint, a bar code scanner, a test tube stand moving device, an automatic blood sample transfer device of a test tube stand position monitor, a sampling measurement system comprising a sampling/measuring needle assembly, a needle insertion driving device, a quantitative sampling controller, an upper sphere, a heating module, a washing device and a work station conversion driving device, a blending device comprising an elastic clamping device, an elastic clamping device autorotation driving motor, an up-down moving device and a horizontal moving device, an air pump, a singlechip and the like. The device can ensure that the blood rheology measurement realizes the automatic transfer of a blood sample, automatic reversal of the blending device of the blood sample, automatic quantitative sampling, automatic measurement of the blood sample, automatic washing of a measurement device, and automatic recognition and recording under the condition of not opening a cover, realize the automatic measurement of blood viscosity under the full-closed state, can avoid the cross contamination, can also alleviate the labor intensity of the staff, improve measurement effect, and can also shorten measurement time.

The invention discloses an implementation method of a virtual mobile phone keyboard. The method comprises the following steps of: creating a projection keyboard template, and projecting the projection keyboard template to a surface of a certain adjacent interface, wherein the projection keyboard template can be generated by a laser diode of a projection component; illuminating a light source of the diode through a high-efficiency holographic optical element which is specially designed to generate an accurate QWERTY keyboard display region; and projecting an invisible plane at a place which is higher than a projection surface by a few millimeters. The method has the advantages that: the defects of smaller mobile phone key region of a QWERTY keyboard and difficulty in operation are overcome; a mobile phone keyboard is projected to a certain medium interface by optical projection; the operation coordinates of a projection keyboard by a user are positioned by an optical sensor; and an image is fed back to a processor and subjected to impact analysis processing to obtain an accurate key value, so that an optical projection keyboard function of a mobile phone is realized.

The invention discloses a posture-adjustable and operable mobile robot which comprises an installation platform, at least three movable connecting assemblies, at least three drive wheels and a controller, wherein the installation platform is provided with a functional tool assembly; the movable connecting assemblies are distributed at intervals in the circumferential direction of the installation platform, the upper end of each movable connecting assembly is connected with the installation platform, and at least part of each movable connecting assembly is movable relative to the installation platform, so that the installation platform is driven to move; the drive wheels are arranged at the lower ends of the movable connecting assemblies in a one-to-one correspondence mode, and each movable connecting assembly is connected with at least one of the installation platform and the corresponding drive wheels in a pivoted mode so that the installation platform can pivot relative to the drive wheels; and the controller is connected with the functional tool assembly and the drive wheels. According to the posture-adjustable and operable mobile robot of the embodiment of the invention, the posture-adjustability is good, the moving control is good, and a certain operating function is achieved.

The invention relates to an audio frequency control method and device, and a terminal device. The audio frequency control method comprises the steps that an electrical attribute value of an earphone cable is obtained, wherein the electrical attribute value is generated on the basis of gesture operation on the earphone cable; matching is carried out on the obtained electrical attribute value and a preset standard attribute value; when the obtained electrical attribute value and the preset standard attribute value are matched, playing processing corresponding to the matched standard attribute value is carried out according to the matched standard attribute value. The purpose that when a user listens to music through an earphone, the user does not need to have control over the music played on a mobile phone through a wired controller is achieved, operation of the user is convenient, the space of the wired controller on the earphone cable is omitted, and the cost of the earphone is reduced.

The invention provides an intelligent transformer station virtual reality simulation training system based on hardware-in-loop. The training system comprises a transformer station primary system, a signal conversion port and an intelligent transformer station secondary device. The transformer station primary system comprises a transformer station three-dimensional simulation system, a teacher machine and a leaner machine, which are connected with each other through the Ethernet. The intelligent transformer station secondary device comprises a protection measurement and control device and a background monitoring system, which are connected with each other through the MMS network. Normal power grid faults are set on the teacher machine or the learner machine; the transformer station three-dimensional simulation system calculates current, voltage and frequency signals that the power grid should have when faults occur according to fault conditions; the protection measurement and control device carries out protection actions on the fault places of the power grid and forms signals; the background monitoring system carries out background detection; and the signal conversion port carries out format conversion on information generated by the three-dimensional simulation system, sends the obtained information to the protection measurement device, carries out format conversion on information generated by the protection measurement and control device and sends the obtained information to the transformer station three-dimensional simulation system.

The invention discloses a portable tablet computer bracket with good stability. The portable tablet computer bracket comprise a supporting plate, a protection sleeve plate and second corner frames; the supporting plate and the protection sleeve plate are arranged to be parallel, the lower end of the supporting plate is provided with a baffle sleeve, the protection sleeve plate is internally provided with a visible window, the two sides of the visible window are both provided with magnetic materials, and the upper side of the visible window is provided with a through hole; and the two sides of the supporting plate are both provided with buckles, and the side, away from the protection sleeve plate, of the supporting plate is fixedly connected with a plurality of attachment blocks. Through the arrangement of the baffle sleeve, a sponge layer and a groove, the functions of protecting and fixing the lower end of a tablet computer are achieved; through the arrangement of magnets and the magnetic materials, the buckling function of the buckles is achieved; through the arrangement of first corner frames, the second corner frames and hinged pins, the fixing function of the supporting plate is achieved; and through the arrangement of spiral stretching and contracting rods, height adjustment of the portable tablet computer bracket is achieved, and thus the length adjustment function of the first corner frames is achieved. The portable tablet computer bracket is simple in structure, reasonable in design, more humanized and suitable for being applied and popularized.

The invention discloses a voltage-controlled resistor circuit which comprises a resistor R1, a resistor R2, a current transmitter U1 and a multiplier M1. The invention aims to solve the problem that the existing adjustable resistor contains a mechanical structure or the resistance value cannot be continuously changed or the adjustable range of the resistance value is narrow. The electrical characteristics of the ports a and b are equivalent to the resistance characteristics, the change of the resistance value is controlled by the voltage uc(t), only four components need to be used, and the device has the advantages of being simple in structure, convenient to implement, free of mechanical parts, capable of continuously changing the resistance value and large in resistance value adjusting range. The voltage-controlled resistor circuit can be widely applied to various circuit design occasions needing the adjustable resistor (especially a voltage-controlled resistor).

The invention discloses a secondary nonlinear magnetic control memristor simulator based on a current transmitter, which comprises an integral operation circuit, a multiplier M1 and a resistor R2, andthe integral operation circuit comprises a current transmitter U1, a resistor R1 and a capacitor C1. The electrical characteristics of the ports a and b of the secondary nonlinear magnetic control memristor simulator are equivalent to the port characteristics of a magnetic control memristor, the input current of the internal integral operation circuit is 0, and circuits such as a voltage followerused for avoiding the load effect do not need to be connected to the input end in series. According to the secondary nonlinear magnetic control memristor simulator, an absolute value operation circuit is not needed, only five circuit components are needed, the structure is simple, implementation is convenient, and the secondary nonlinear magnetic control memristor simulator can be widely appliedto design of various memristor circuits (circuits such as memristor chaos, memristor bridge synapses and memristor neurons).

The invention provides a ring type touch apparatus and an intelligent terminal control method. The method comprises the steps of establishing a communication connection between the ring type touch apparatus and an intelligent terminal, and performing initialization operation by the ring type touch apparatus; performing real-time sampling on the ring type touch apparatus; performing processing evaluation on a sampling result; and performing a corresponding response action by the intelligent terminal according to an evaluation result of the ring type touch apparatus. According to the ring type touch apparatus and the intelligent terminal control method provided by the invention, the ring type touch apparatus is simple in structure, flexible in operation, easier to miniaturize and suitable for a finger to wear.

The invention relates to a simple multifunctional assembly line workbench. The workbench comprises an operation table frame, an upper operation table board, a lower operation table board, an insulation pad and sliding guide rails, wherein the operation table frame is composed of a handle, an upper operation table frame body, a lower operation table frame body, supporting legs and supporting leg fixing surfaces and serves as the carrier of the whole assembly line workbench, the upper operation table board is formed by laying rectangular planks and used for direct assembly and installation of the sliding guide rails, the lower operation table board is formed by laying rectangular planks and used for accommodating parts for assembly and other auxiliary materials, the insulation pad is used when the upper operation table board is used directly for assembly and is directly laid on the upper operation table board flat, the insulation pad is as big as the upper operation table board, and each sliding guide rail is used when products need to be transferred between working stations to achieve streamlined work and is composed of a U-shaped groove, a side edge stop part and rotary shafts.

The invention relates to the technical field of fireproof plates, in particular to a fireproof plate processing and transferring device and an operation method. The fireproof plate processing and transferring device comprises a bottom table, clamping assemblies, a supporting column, a moving assembly and a lifting assembly. A first motor drives a first lead screw to rotate, and first nuts are enabled to move on the first lead screw and drive carrier plates to slide on a first sliding rail through second sliding blocks, so that the function of transferring fireproof plates on the carrier platesis achieved; through transferring of the fireproof plates, convenience is brought to processing of the fireproof plates, and the processing and production efficiency of the fireproof plates is improved; and first hydraulic cylinders drive first hydraulic rods to move downwards, the first hydraulic rods drive clamping plates to move towards first mounting plates, and the fireproof plates on the carrier plates can be clamped by the clamping plates and the first mounting plates, so that the fireproof plates can be fixed, the stability of the device during processing and transferring of the fireproof plates is improved, and the processing and production quality of the fireproof plates is improved.

The invention discloses a pressure control device of a perforation fracturing test system. The perforation fracturing test system comprises a hydraulic pump (1) and a downhole test tool, wherein the hydraulic pump (1) and the downhole test tool are mutually communicated. The pressure control device comprises a needle valve (2). The needle valve (2) is arranged on a pipeline (3), wherein the pipeline (3) is arranged between the hydraulic pump (1) and the downhole test tool. The pressure control device can control pressure accurately so that stable annulus pressure between a downhole tubular column and a sleeve is guaranteed.

The invention discloses an air fryer which comprises a fryer shell and a fryer body; a control panel, a heating body, a motor and fan blades are arranged in the upper portion of the fryer shell, wherein the heating body and the motor are both electrically connected with the control panel, the fan blades are located under the motor and are in driving connection with the motor; a containing cavity is formed in the lower portion of the fryer shell; an opening allowing the fryer body to be inserted therein is formed in the front side of the containing cavity; a handle is arranged on the front sideof thefryer body; an operation screen is embedded in the handle; and after thefryer body is inserted into the containing cavity from the opening, the operation screen is electrically connected with the control panel. The operation screen is embedded in the handle of the fryer body, and after the fryer body is inserted into the containing cavity from the opening, the operation screen is electrically connected with the control panel, so that the operation function of the operation screen can be achieved, and the technical defects that the fryer shell is difficult to manufacture and low in strength due to the fact that the operation screen is installed on the front side of the fryer shell can be overcome; and meanwhile, the operation screen is installed on the handle, so that the user can carry out operation more easily, and a certain decorative effect can be achieved.

The invention discloses a floating negative resistance value resistor equivalent circuit which comprises a differential amplification circuit, an in-phase proportional amplification circuit, an in-phase proportional voltage and current conversion circuit and a reverse proportional voltage and current conversion circuit. The problem that one end of an existing negative resistance equivalent circuitneeds to be grounded is solved. The electrical characteristics of the ports a and b of the circuit are equivalent to the characteristics of a negative resistance resistor, and the ports a and b are not required to be grounded when the circuit is used, so that the circuit can be widely applied to various circuit design occasions needing the negative resistance resistor.

The invention discloses a multifunctional intelligent read-write terminal with an image acquisition device. The multifunctional intelligent read-write terminal comprises a PCB main control board module, a fingerprint identification module, a read-write module, an SAM module, an interface module, a voice module, a key module, a main body fixing piece, a shell and an image acquisition module, wherein the PCB main control board module comprises a fixing part and a connecting interface; wherein the fixing part is fixed with the main body fixing piece, the connecting interface is connected with connecting interfaces of the fingerprint identification module, the read-write module, the SAM module, the interface module, the voice module and the key module and is arranged in the shell through the main body fixing piece, and the image acquisition module is connected with the shell.

The invention discloses a method of realizing wireless soft sliding and pressing on a skin by a piezoresistive sensor. According to the method, the piezoresistive strain sensor is attached to a human-body skin surface or nail surface, and is electrically connected with an MCU controller at the same time; the MCU controller is connected with a wireless module, has an ADC data collection function and MCU functions of calculation and processing of relative coordinates, pressure values and pressing events of heavy pressing, light pressing and the like, and controls the wireless module for data sending, receiving and processing; a mobile terminal receives data of the wireless module, and carries out processing; and all application programs of the mobile terminal realize all different functions.

The invention relates to a three-state locking device for a flexible robot. The three-state locking device comprises a pneumatic pressure adjusting unit, a pressure multiplying unit and an acting force releasing unit; the pneumatic pressure rod adjusting unit is connected with the pressure multiplying unit, and the pressure multiplying unit is connected with the acting force releasing unit; the pneumatic pressure adjusting unit takes compressed air as an energy source and can output three levels of pressure; the pressure multiplying unit is used for multiplying and amplifying the pressure output by the pneumatic pressure adjusting unit; and the acting force releasing unit is used for acting the amplified pressure on a controlled part of the flexible robot by taking a brake pad as a medium;According to the three-state locking device for the flexible robot, the three levels of pressure can be output to act on positions of controlled parts such as joints of the flexible robot, so that the loose and flexible state, the flexible damping controlled state and the locking state of moving parts of the flexible robot are realized.

The invention discloses a key capable of switching display characters. The key comprises a key cap, scissor feet, an elastic element, a circuit board, a bottom plate and a backlight module arranged below the bottom plate, wherein different character holes are formed in the key cap, different light-transmitting films are arranged on the key cap, each light-transmitting film respectively correspondsto each character hole, and the light-transmitting film selectively transmits monochromatic light. According to the invention, switching display of different characters can be realized only by setting one light source, and multiple operation functions of the key can be realized through switching of different characters, so that the use experience of a user can be improved; and the key is simple in structure and has a good display effect, and the keyboard cost and the total energy consumption are reduced.

The invention discloses a data operation circuit, a data processing device, a chip, a card board and electronic equipment. The data operation circuit comprises one or more operation units; each operation unit comprises an input variable register, a first constant register, a comparator, a switch, a second constant register, a multiplier and an output variable register. The data operation circuit provided by the embodiment of the invention is provided with the operation units, the operation units can realize an operation function of a ReLU function, a Leaky ReLU function or a PReLU function, and the data operation circuit is high in integration degree, small in area, high in calculation efficiency and low in power consumption.

The invention discloses a secondary nonlinear active magnetic control memristor simulator. The circuit comprises a negative resistance equivalent circuit, an integral operation circuit, a multiplier M1 and a resistor R2; the integral operation circuit comprises a current transmitter U1, a resistor R1 and a capacitor C1, and the negative resistance equivalent circuit comprises an operational amplifier U2, a resistor R3, a resistor R4 and a resistor R5. The electrical characteristics of the ports a and b of the secondary nonlinear active magnetic control memristor simulator are equivalent to theport characteristics of a magnetic control memristor, the volt-ampere characteristic curve of the ports a and b of the secondary nonlinear active magnetic control memristor simulator can continuouslyprovide energy outwards in two four quadrants during working, and the secondary nonlinear active magnetic control memristor simulator can be widely applied to a memristor circuit (such as a Chua's memristor circuit) needing to provide energy outwards.