60results about How to "The implementation is simple and reliable" patented technology

The invention discloses a three-dimensional deformation dynamic measurement system and measurement method based on image recognition. The measurement system comprises an image collecting device, a target and an image processing unit: the target is installed at a measurement point, and the target is provided with at least two target spots with a known spacing; and the image collecting device is installed at a fixed point, and the image processing unit is used for dynamically calculating the three-dimensional deformation of the measurement point according to a target image. The three-dimensionaldeformation dynamic measurement system disclosed by the invention is applicable to the three-dimensional deformation measurement of many monitored bodies such as bridges, dams, tunnels, railways, dangerous rocks or the like, the implementation mode is simple and reliable, and intelligent remote monitoring can be realized. The dynamic three-dimensional deformation information of multiple measurement points can be measured at the same time, and the dynamic deformation states of the measurement points can be embodied by visual charts and other forms, thereby being intuitive and convenient. In addition, the vibration frequency, amplitude, acceleration and other parameters of the measurement points can be further calculated based on the three-dimensional deformation data, and the deformation states of the measurement points are exhibited in multiple directions.

The invention provides a dynamic target signal simulation method in a transparent mode, and aims to provide a dynamic target signal simulation method which is low in consumption of hardware resources and can perform long-distance and high-precision simulation in the transparent mode. The method comprises the following steps of: (1) plugging a memory bank M in a field programmable gate array (FPGA) chip, directly storing an intermediate-frequency signal received by a dynamic target signal simulator in the transparent mode in the memory bank M used for distance delay through an analog-to-digital (A / D) convertor for delay, reading data in the memory bank M by using a clock fR with Doppler frequency corresponding to speed parameters, outputting the data by using a digital-to-analog (D / A) convertor, and performing distance and speed simulation; (2) inputting rail parameters by using a monitoring and processing computer, calculating the size of time delay and an amplitude fading value according to distances, and simulating target distances; and (3) adding the Doppler frequency corresponding to speed in the rail parameters to a data reading clock, and making the read data added with corresponding Doppler frequency to form a dynamic target signal.

The invention provides a device for lower potential induction decay. The device applied to photovoltaic system with multiple parallelly-connected inverters comprises an externally-connected solar panel. The externally-connected solar panel is connected to the PV array of the input end of an optional inverter. The inverter connected with the externally-connected solar panel is marked as an externally-connected inverter. The sum of the output voltage of the corresponding PV array of the externally-connected inverter and the output voltage of the externally-connected solar panel is larger than the input voltage of optional one of other (N-1) inverters, wherein N is the number of the parallelly-connected inverters. The anode of the externally-connected solar panel is connected with the cathode of the corresponding PV array of the first inverter or the cathode of the externally-connected solar panel is connected with the anode of the corresponding PV array of the first inverter. The device has the advantages that only an extra small solar panel needs to be added to the single input solar panel, software control is not needed, the device is simple and reliable, convenient to maintain and quite low in relative cost, inverter change is avoided, and batch production of the inverters is facilitated.

The invention is suitable for the optical field, and provides a triply coated fiber, a pump combiner, a fiber grating and a fiber laser. A triply coated passive fiber comprises a fiber core, an innercladding layer covering outside the fiber core, an outer cladding layer covering outside the inner cladding layer, and a coating layer covering outside the outer cladding layer, the diameter of the fiber core is 10-50micrometer, the diameter of the inner cladding layer is 250-800micrometer, the diameter of the outer cladding layer is greater than the diameter of the inner cladding layer, the diameter of the outer cladding layer is 300-1000micrometer, or, the diameter of the inner cladding layer is 80-100micrometer, and the diameter of the outer cladding layer is 110-130micrometer. In the triply coated passive fiber, the outer cladding layer wrapping outside the inner cladding layer greatly reduces damage of pump light to the organic coating, the coating as a full reflection interface has ultrahigh damage threshold, so that the fiber laser is more reliable and stable.

The invention belongs to the technical field of automobiles, and particularly relates to an electric automobile reminding driving mileage algorithm and system. The electric automobile reminding driving mileage algorithm includes the following steps that (1) an IC combination instrument of a vehicle is started, and the remaining driving mileage of the last time is read from an internal E2PROM and displayed; (2) according to the environment temperature, the current discharging rate and an SOH battery health degree, a battery management system BMS calculates the remaining electric quantity Es ofa power storage battery with the unit of KW / h and sends the remaining electric quantity Es to a vehicle control unit VCU through a CAN bus; and (3) a DCDC converter sends an immediate power PDCDC to the vehicle control unit VCU through the CAN bus. The algorithm and system have the beneficial effects that an achieving mode is simple and reliable, no other parts need to be additionally arranged ona whole vehicle, and influence of driving habits and the road condition on remaining driving mileage calculation is eliminated.

The invention discloses concrete crack making method. The method comprises the following steps that 1, a mold is made; 2, a tie bar is reserved; 3, concrete is poured; 4, holes are drilled and cleaned; 5, a concrete test block is demolded; 6, a concrete expansive agent is prepared and poured; 7, the concrete teat block is maintained and a concrete crack is formed; and 8, the concrete crack is washed. A steel wire is arranged in the concrete test block in a pouring mode to ensure that the concrete test block does not break into two parts after the crack occurs. The concrete expansive agent is poured in a row of holes to make the concert crack. The row of holes can lead the concrete crack to form. The method is simple, the cost is low, a natural crack in practical engineering can be estimated, and a reliable basis is provided for the subsequent repair of tunnel cracks. The crack cross section is natural, and acceptability is achieved for studying practical problems.

The embodiment of the invention provides an intelligent panel, a channel switching method and a computer readable storage medium, and belongs to the technical field of terminals. The intelligent panelin the embodiment comprises at least two system processors, a switching unit, a concentrator and at least two terminals, wherein each system processor corresponds to an operating system; the switching unit is connected with each system processor; the concentrator is connected with the switching unit; each terminal is connected with the concentrator. Therefore, the intelligent panel, the channel switching method and the computer readable storage medium in the technical scheme in the embodiment are used for solving the problem that an operation system after an intelligent panel in the prior artis switched cannot identify USB equipment inserted into a USB terminal corresponding to an operation system before switching and solving the problems that due to the problem, identification efficiency is low, and operation is complex.

The invention provides an intelligent tablet which is applied to the technical field of terminals. The intelligent tablet provided by the invention comprises at least two system processors, and each system processor corresponds to one operating system; a switching unit respectively connected with each system processor and used for conducting a channel between the channel switching unit and the system processor of the current operating system according to the received channel switching signal; wherein the channel switching signal is generated by a system processor of an operating system where the channel switching signal is located at present; The concentrator is connected with the switching unit; and at least two terminals, each of which is connected with the concentrator and is used for identifying a currently inserted external device. Therefore, the technical scheme provided by the invention is used for solving the problem that in the prior art, the operating system after switching of the intelligent panel cannot identify the USB equipment inserted in the USB terminal corresponding to the operating system before switching, and the problems of relatively low identification efficiency and complex operation caused by the problem.

The invention discloses a weight losing type gait rehabilitation training robot. The weight losing type gait rehabilitation training robot comprises a rehabilitation platform, an intelligent weight losing device and a gait simulation generating device. The intelligent weight losing device is installed at the top of the rehabilitation platform, and the gait simulation generating device is installed at the bottom of the rehabilitation platform and located below the intelligent weight losing device. The weight losing type gait rehabilitation training robot can achieve active and passive rehabilitation training and is used for rehabilitation training of trainers having dysbasia due to cerebral palsy, stroke and the like. The weight losing type gait rehabilitation training robot is controlled by a computer, is provided with a corresponding sensor and a safety device, provides different walking training modes for patients, drives the lower limbs on two sides of each patient to perform gait rehabilitation training through the gait simulation generating device, and gradually recovers the walking capability of the lower limbs of each patient. Compared with traditional weight losing gait training, the working intensity of a therapist is greatly reduced, and the weight losing type gait rehabilitation training robot is more intelligentized and provides individualized treatment.

The invention discloses a tool device capable of carrying out weighing and a tool weighing method of the tool device. The tool device capable of carrying out weighing comprises a tool body and a toolhandle, wherein the tool body is provided with a weighing area used for arranging a material to be weighed; the tool body extends into the tool handle to be provided with a lever structure, the tool handle is internally provided with a pressure sensor in transmission with the lever structure, and the pressure sensor is used for measuring the weight of the material to be weighed; and the pressure sensor is further connected with a processing circuit system. According to the provided tool device capable of carrying out weighing and the tool weighing method of the tool device, by adopting the weighing area arranged on the tool body and the lever structure, the pressure sensor and a circuit which are arranged on the tool handle, the materials on the tool body can be weighed through the rotating torque of the tool body, the implementation mode of the tool device is simple and reliable, and operation is convenient.

The invention discloses a modular extension socket and sockets, plug and power line thereof. The modular extension socket includes sockets, a plug and a power line, a first contact of the power line is coupled with a first connecting port of the plug, and a second contact of the power line is coupled with a second connecting port of the plug. According to the modular extension socket provided by the invention, function modularization is creatively performed on constituent parts of the product, so that the constituent parts can be independently designed, processed, produced, transported, sold, purchased, replaced or maintained according to requirements, thereby saving production cost (independent production is allowed, and automatic and assembly line operation is realized), packaging cost (each part can be independently packaged, and independent parts occupy small space), transportation cost (each part can be independently transported, transportation of the whole extension socket together is not needed, and occupied space is small), and usage cost (independent parts can be interconverted for use, and only a damaged part needs to be replaced).

The present invention discloses a static and dynamic state correction method of an energy storage battery remaining capacity. The method is used to perform correction and estimation of the remaining capacity of the battery. The battery has a battery calibration total capacity. The method comprises the following steps of: calculating a temperature coefficient in the same temperature; calculating adischarge times coefficient in any discharge times in the same temperature; calculating a battery inner resistance of the battery and the battery inner voltage; and calculating the remaining capacityof the battery in the same temperature. Compared to the prior art, the static and dynamic state correction method is accurate in collected remaining capacity and is simple and reliable in implementation mode.

The present invention discloses a touch screen-based object information prompt interaction method. The method comprises the following steps of: a. predefining a plurality of response regions correspondingly associated with a plurality of objects; b. when a touch operation in a response region is detected to be a pressing operation, creating and displaying a prompt tag associated with the response region; c. when the touch operation is detected to slide out of the response region but not leave from a touch screen, hiding but not destroying the prompt tag associated with the response region; and d. when the touch operation is detected to slide in and out of other response regions from the response region, creating, displaying and hiding a prompt tag associated with a corresponding response region in the modes in the step b and the step c. The touch screen-based object information prompt interaction method provided by the present invention can realize continuous view of a plurality of object prompt tags, thereby reducing system resource consumption while being convenient for users to operate.

A hydraulic module with a cylinder (2) housing a piston (3) delimiting a chamber (4) receiving brake fluid. The piston (3) is connected with the electric motor (5) of the module (1) through the ball running screw (6), the core (61) of the ball running screw is fixedly connected with the piston (3), and the piston itself is driven by the needle (21) Guided, the needle is parallel to the axis (xx) of the piston (3) and cooperates with the notch (351) on the circumference of the piston (3). The piston (3) is a single piece consisting of a cylindrical body (32) made of anodized aluminum and an outer ring (35) made of steel which is fitted in a positive manner on the edge of the piston ( 34) and is provided with a gap (351) whose cross-section is corresponding to the use cross-section of the needle (21).

The invention discloses an oil-immersed power transformer winding monitoring method and device. The method comprises the steps of: respectively acquiring one set of output signals of a first distributed optical fiber pressure sensor, one set of output signals of a second distributed optical fiber pressure sensor and one set of output signals of a third distributed optical fiber pressure sensor at the moment i; judging whether the variation of two continuous sampling points in only one set of output signals among the three sets of output signals is greater than a preset threshold value or not; if not, outputting a recording signal, wherein the recording signal is the obtained each set of output signals; if the judgment result is yes, respectively acquiring a set of output signals of the first distributed optical fiber pressure sensor, a set of output signals of the second distributed optical fiber pressure sensor and a set of output signals of the third distributed optical fiber pressure sensor at the moment i+1, and carrying out subsequent judgment steps; and when the (i+m)th judgment result is yes, outputting a tripping signal, wherein m is larger than or equal to 1. And the stress change condition of the winding bottom can be timely and accurately reflected, and main transformer winding state evaluation and fault diagnosis can be carried out on site.

The present invention discloses a two-fibre optical multiplexing section protection equipment for wavlength division multiplexed circuit. It includes a pair of optical transmitting and receiving ports, a pair of working optical-fibre ports, optical branching device, optical coupler, optical monitoring unit, optical switch which can select optical signal of different input ports according to the output of optical monitoring unit to make output, input port of said optical switch is connected with optical received working signal and optical received protection signal in said device and its output port is connected with optical receiving port of said device and a pair of optical interface units connected with working optical fibre, said optical interface unit can be optical circulator, optical interlacing device or waveband separator.