21results about How to "Simplicity of implementation" patented technology

The utility model relates to a Hall rotation number counter, which is applied to the technical field of motors, and comprises a first counting unit, the first counting unit is used for acquiring a first digital signal and outputting a counting signal, and the first digital signal is a digital signal output by a Hall sensor; the second counting unit is used for acquiring a second digital signal and outputting an enable signal, the second digital signal is a digital signal output by a Hall sensor, and the first digital signal and the second digital signal are two orthogonal digital signals; and the signal processing unit is used for acquiring the counting signal and the enabling signal and outputting a turn count value. The counter has the technical effects that the counter is low in power consumption, low in cost, simple to implement and free of later maintenance.

The invention provides an LED chip and light-emitting equipment, and relates to the technical field of LEDs. The structure parameters of the LED chip comprise the distance between the bottom of the N electrode and the side wall of the Mesa step structure, the height of the Mesa step structure, the height of the N electrode and the side wall angle of the side, facing the Mesa step structure, of the N electrode. Compared with the prior art, the technical scheme of the invention does not involve additional process steps, and according to the structure of the LED chip, only at least one structural parameter in the structural parameters of the LED chip needs to be optimized, so that the light reflection frequency between the N electrode and the Mesa step structure can be reduced, the light loss of the N electrode is reduced, and the light emitting efficiency is improved. The implementation scheme is simple, and the luminous efficiency of the LED chip can be improved.

The utility model relates to cold storage technical field provides a row pipe subassembly for cold storage, including row pipe support, the rear side fixed mounting of row pipe support has the slide, still includes: a plurality of adjusting assembly, all settings in the inside of row pipe support, the adjusting assembly includes the slide seat, the slide seat sets up in the inside of row pipe support, wherein, the slide seat can do the slip movement in the inside of row pipe support, support plate, fixed mounting at the top of slide seat, the top left side fixed mounting of support plate has the first clamping plate, the utility model discloses, when using, through the setting of slide seat and second clamping plate structure, not only makes the personnel to place and fix the row pipe on the row pipe support conveniently, need not carry out welding or complicated fixed operation, makes the installation and disassembly process more fast, especially when maintaining or replacing the row pipe, can quickly loosen second clamping plate, has reduced maintenance cost and time.

The embodiment of the application provides a kind of data transmission system, it is related to wireless radio frequency communication technical field.System includes: gateway device, multiple imaging devices with gateway device wireless communication connection and multiple sensors with each imaging device wireless communication connection;Each imaging device and wireless communication connection sensor communicate by preset communication parameter;First device when determining that there is to-be-sent data, parameter switching request is sent to the second device of system, and to-be-sent data is sent to the second device by target communication parameter carried in parameter switching request;Target radio frequency is different from preset radio frequency, and target communication rate is higher than preset communication rate;Second device receives parameter switching request;Switch to target communication parameter by itself communication parameter, and receive to-be-sent data by target communication parameter.It can be seen above, application the scheme provided in embodiment of the application can improve the effect of data transmission in data transmission system.

The utility model relates to the technical field of warehouse picking, in particular to an online picking system, which comprises a picking bracelet and a 2.4 G gateway module, an ultrahigh frequency radio frequency module and a 2.4 G wireless module are arranged on the picking bracelet, the 2.4 G wireless module is electrically connected with the 2.4 G gateway module and the ultrahigh frequency radio frequency module respectively, the 2.4 G gateway module is electrically connected with an external background server, and the 2.4 G gateway module is electrically connected with the external background server. The ultrahigh frequency radio frequency module on the goods picking bracelet is used for reading label information of lighting labels on goods and transmitting the read label information to the 2.4 G wireless module, and the 2.4 G wireless module communicates with the 2.4 G gateway module and transmits the received label information to the background server through the 2.4 G gateway module; according to the picking bracelet in the scheme, the simplicity and convenience of the picking process are achieved through the combination of the ultrahigh frequency technology and the 2.4 G technology, and therefore the overall picking efficiency and the management level can be improved.

The invention relates to the field of aviation aircraft propeller icing testing, in particular to a propeller dynamic icing testing system and method under the wind field condition, and the testing system comprises an environment bin, a wind field system is arranged in the environment bin, a spraying system is arranged on the rear side of the wind field system, and a propeller rack is arranged in front of the wind field system. A propeller, a speed sensor and a vibration sensor are arranged on the propeller rack, a high-speed camera and a temperature control system are arranged on the inner wall of the environment bin, and a water collecting device is arranged below the propeller rack; a remote control system is arranged on the outer side of the environment bin. The test system and the test method are utilized to analyze the freezing process of propellers at different wind speeds and wind directions, and the influence of freezing of the propellers on key parameters such as rotating speed and vibration is comprehensively evaluated; through accurate control and data acquisition, detailed test methods and experimental data are provided, and optimal design of the propeller and formulation of anti-icing measures are supported.

The utility model discloses an integrated casing line structure, door casing line and wall body guard board belong to door and window technical field. One end of adjusting plug -in board and casing board integrative setting are set up with, and the width extension direction of adjusting plug -in board and the width extension direction of casing board are set up perpendicularly, and the end of adjusting plug -in board away from casing board is used for inserting the fixed section bar glue injection slot and is fixed, is equipped with the cutting groove on adjusting plug -in board, and cutting groove is used for guiding cutting adjusting plug -in board to make adjusting plug -in board can be according to the width adjustment of different thickness wall hole. The integrated casing line structure disclosed by the utility model can be adaptively cut according to the need of door hole thickness, and the flexibility of size adjustment is realized.

The application provides a power supply redundancy protection circuit, which comprises a power supply state detection unit, a power supply switch control unit, a power supply redundancy protection unit, a first power supply unit and a second power supply unit; the input end of the power supply state detection unit is connected with a first power supply signal and a second power supply signal, and is used for outputting a power supply state detection signal based on the first power supply signal and the second power supply signal; the power supply switch control unit is connected with the power supply state detection unit, and is used for outputting a power supply switch control signal; the power supply redundancy protection unit is connected with the power supply switch control unit, and is used for selecting the first power supply unit or the second power supply unit for power supply. The application realizes the power supply redundancy protection function by using fewer components; supports power supply hot plug, realizes high availability and continuity of the power supply system, supports power supply overvoltage protection and under-voltage protection, guarantees the stability and reliability of system operation, and has simple implementation scheme and low cost.

The present invention provides a bias circuit structure applied to multiple voltages, in the field of electronic circuit technology, including a first current reference module that changes with the power supply voltage and a second current reference module that does not change with the power supply voltage; the output end of the first current reference module is a current reference NTC with a negative temperature coefficient, and the output end of the second current reference module is a current reference PTC with a positive temperature coefficient; the output end of the first current reference module and the output end of the second current reference module are in a parallel structure, and the output end of the first current reference module and the output end of the second current reference module after the parallel connection serve as the output end of the bias circuit structure. The present invention realizes that the bias current has a certain correlation with the voltage, and its change is small with the temperature change, and it is not sensitive to temperature.

The invention relates to the field of single crystal silicon rod production equipment, in particular to a continuous feeding device for silicon single crystal growth and a single crystal furnace adopting the device. On one hand, the invention relates to a continuous feeding device for silicon single crystal growth. The continuous feeding device comprises a feeding cylinder, a lifting mechanism arranged on the feeding cylinder, a clamping mechanism and a sealing mechanism, and the feeding cylinder is connected with the single crystal furnace and is communicated with the single crystal furnace. On the other hand, the invention relates to a single crystal furnace which comprises a main furnace body, an auxiliary furnace body and a silicon single crystal growth continuous feeding device, the auxiliary furnace body and the feeding cylinder are both arranged above the main furnace body. And the feeding cylinder and the auxiliary furnace body are arranged in parallel. When materials are fed into the single crystal furnace, a polycrystalline silicon charge bar is hoisted in the feeding cylinder through the clamping mechanism, then the spin valve is opened, and the lifting mechanism controls the charge bar to enter the main furnace body and descend to a melting area of a quartz crucible, so that feeding is realized. The production efficiency of the single crystal furnace is improved, and repeated charging can be completed on the premise of not stopping the furnace.

The application provides a Z-pin reinforced composite sandwich structure and a preparation method thereof.The Z-pin reinforced composite sandwich structure has a structure form comprising an upper composite skin, a core material and a lower composite skin, and composite pins are implanted in the Z direction of a preformed body of the sandwich structure for Z direction reinforcement;the composite pins are made of the same material as the composite skin, and the composite pins are implanted by a high-pressure air gun; and the composite pins are carbon fiber pins or high-strength glass steel pins.The beneficial effects of the application are as follows: composite reinforcing bars perpendicular to fiber cloth are implanted, and the scheme solves the problems of different reinforcement angles, large direction difference dispersion, non-obvious effect, weakening of other direction performance and the like caused by other reinforcement schemes, especially solves the engineering problem that large products, sandwich parts and special-shaped parts are difficult to realize sewing, and eliminates the problems of defects easily generated in the X and Y directions of the in-plane fabric and the like.

The present invention discloses a personnel target positioning and tracking method and system based on multi-perspective information fusion, which belongs to the field of multi-perspective pedestrian detection. The existing multiple camera monitoring systems are not accurate enough for personnel target positioning and tracking, with large errors and complicated solutions, which are not conducive to promotion and use. The personnel target positioning and tracking method based on multi-perspective information fusion of the present invention utilizes a multi-camera system with overlapping viewing angles, and by fusing video data of multiple camera views, effectively solves the problem that the operating personnel in the scene are often blocked by the environment or others and cannot be positioned, and by constructing a multi-perspective personnel positioning network model, a personnel tracking model, and a personnel position and trajectory visualization model, the ground position of the operating personnel in the established plane coordinate system, as well as the position trajectory, effectively improves the positioning and tracking accuracy, and reduces the positioning and tracking errors. The solution is simple and easy to implement and easy to promote.

Innovations in unified intra block copy ("BC") and inter prediction modes are presented. In some example implementations, bitstream syntax, semantics of syntax elements and many coding / decoding processes for inter prediction mode are reused or slightly modified to enable intra BC prediction for blocks of a frame. For example, to provide intra BC prediction for a current block of a current picture, amotion compensation process applies a motion vector that indicates a displacement within the current picture, with the current picture being used as a reference picture for the motion compensation process. With this unification of syntax, semantics and coding / decoding processes, various coding / decoding tools designed for inter prediction mode, such as advanced motion vector prediction, merge mode and skip mode, can also be applied when intra BC prediction is used, which simplifies implementation of intra BC prediction.

The invention relates to a coded disc speed measurement fixed-point calculation improvement method, which comprises the following steps of: calculating a speed measurement required amount in a process of calculating in a DSP (Digital Signal Processor) initialization stage, calculating by an upper computer and then sending to the DSP, or other modes which do not influence the CPU (Central Processing Unit) utilization rate of the DSP; the method comprises the following steps: sampling A / B phase signals of a coded disc by adopting first frequency multiplication, second frequency multiplication or quadruplicated frequency according to actual conditions, generating pulse signals, and calculating the number of pulses and the number of clocks corresponding to the pulses in each sampling period; the rotating speed compensation coefficient is calculated by the DSP or the upper computer and then is sent to the DSP; and the rotating speed is calculated by integrating obtained results. The code disc speed measurement calculation method is improved, the method for reducing the relative error is provided especially for the problem that the calculation error of a fixed-point system is slightly large, the calculation error of the fixed-point system can be reduced, the method is more obvious especially in a low-speed area, the calculated rotating speed of the motor is high in accuracy and small in error, and meanwhile the implementation scheme of the method is simple and easy to implement. The relative calculation amount is small, the improvement effect is obvious, and the application effect is good.

The present invention relates to an apparatus for mechanically and chemically activating a wet starting material, the apparatus comprising a drying device (10) and a mill (20), the drying device (10) and the mill (20) being connected to transfer material dried in the drying device (10), and the mill (20) and the drying device (10) being connected to transfer waste heat from the mill (20) to the drying device (10).

The application discloses a fixing mechanism containing a special-shaped conical spring, which comprises a fixing nest and a special-shaped spring fixed in the fixing nest, wherein the special-shaped spring comprises a special-shaped end, a large end and a small end; the fixing nest is provided with a first clamping groove and a second clamping groove, the first clamping groove is used for accommodating a vertical section of the special-shaped end, and the second clamping groove is used for accommodating a horizontal section of the special-shaped end; a guide rail is arranged on the inner wall of the fixing nest, and an arc spring sheet is fixed in the guide rail; a clamping boss is fixedly arranged in the fixing nest and used for limiting the movement of the small end; and a sliding block boss is fixedly arranged on one side of the fixing nest, wherein the sliding block boss is in a wedge block structure, and the upper surface of the sliding block boss is a slope. According to the application, the large end of the spring is designed as a special-shaped space frame structure, the first clamping groove and the second clamping groove are arranged to accommodate the vertical section and the horizontal section of the special-shaped end respectively, and the spring is pushed into the clamping groove by the deformation of the spring itself, so that geometric interlocking fixing between the spring and the fixing nest is realized, and no additional spring seat, fixing ring or fastener is needed.

A hydraulic device with a position detector capable of achieving ease of adjustment process during manufacturing and ease of adjustment process when loaded into a host machine without integrating a servo amplifier, which is feedback controlled by a servo amplifier based on a deviation between an instruction value of an instruction signal and a position detection value from the position detector, wherein there is provided an arithmetic processing unit that outputs the position detection value as a detection signal; a communicator that transmits the detection signal to the servo amplifier and receives a signal from the servo amplifier; and a storage unit that stores characteristic information of the hydraulic device in a readable manner via the communicator, wherein the characteristic information of the hydraulic device includes at least calibration information that corresponds the position detection value by the position detector and a characteristic value of the hydraulic device, which is measured in advance in a test bench of the hydraulic device, and flow characteristic information that corresponds a flow of the hydraulic device with respect to the instruction signal and the instruction signal.

The utility model discloses a barreled material self-loading and self-unloading type trolley, and belongs to the technical field of trolleys. The problems that in the prior art, an operator needs to convey barreled materials through a crown block or a forklift in a plant, multiple persons need to cooperate for operation at the same time, the labor intensity of the operator is increased, the working efficiency is not high, and time and site are limited are solved. Comprising a frame and wheels, the frame comprises two horizontally-arranged grab rails, an inverted-U-shaped portal frame is vertically arranged at the front ends of the grab rails, hooks are hinged to the left side and the right side of the top of the portal frame, an arc guardrail pipe with an outward opening is horizontally arranged at the lower end of the portal frame, and the wheels are installed at the bottom of the portal frame. The device is high in environmental adaptability, economical, practical, simple in structure, good in stability, safe and convenient to operate, easy to overhaul and maintain and convenient to clean.

The invention relates to the technical field of camellia pruning, and discloses a camellia pruning device based on a combination principle, the camellia pruning device comprises a mounting block, the rear end of the mounting block is fixedly connected with a grab handle, the mounting block is internally provided with a pruning assembly, and the pruning assembly is used for freely combining different pruning requirements for pruning; a cleaning assembly is arranged in the mounting block and is used for cleaning a cutter of the trimming assembly; and a base is slidably connected to the interior of the grab handle, a battery is fixedly connected to the interior of the base, and a buckle assembly is arranged in the base and used for fixing the mounting block and the base. The automatic pruning process is achieved through the mechanism that the double-end motor drives the rotary disc, the connecting rod, the cam and the like, the equipment can efficiently prune and cut branches, the labor intensity of operators is remarkably relieved, the working efficiency is improved, and the equipment can select different cutting tools according to the thickness of the branches through flexible switching of the double-end motor and the saw disc.

The embodiment of the present application discloses a monitoring device. A specific implementation of the monitoring device includes: a sub-machine, a main machine and a connecting line, the sub-machine includes a camera unit, the main machine includes a first control chip, a display screen and a first data interface that supports forward and reverse plugging, and the first control chip is connected to the display screen and the first data interface respectively; the connecting line includes a first terminal and a second terminal, the connecting line is used to connect the main machine and the sub-machine, the first terminal of the connecting line includes a second data interface that is plugged in and out with the first data interface on the main machine, and the second terminal of the connecting line includes a signal connector connected to the camera unit of the sub-machine. This implementation achieves the simplicity of assembly of the monitoring device and effectively avoids the situation where the interface or connector is damaged due to misoperation or unfamiliarity with circuit connection during the assembly of the smart device.