193results about How to "Easy wiring" patented technology

The utility model discloses a soil flora culture device with a split type bottom double-spiral belt and a reverse screw, and relates to a stirring device. The barrel bottom and the barrel body are mounted in the base; the lower end of the barrel body is communicated with the barrel bottom; the connecting cover is fixedly connected with the upper end of the barrel body; the barrel cover is connected with the connecting cover through a connecting device; the driving mechanism is fixed in the base; the stirring mechanism is mounted in the barrel body; two ends of the stirring mechanism are respectively connected with the barrel cover and the driving mechanism. According to the utility model, through the mutual matching among the outer-ring helical ribbon, the inner-ring helical ribbon and the connecting rod, the mixing and stirring of soil in the vertical direction, the cutting and mixing and stirring in the horizontal direction, the scraping of the inner wall of the barrel body and the filling of soil in a central hole in the barrel body can be realized; the stirring mechanism not only can realize rotary stirring around the central shaft, but also has upward thrust of a stirring rod and downward pressure of a helical ribbon, soil with the humidity of about 45% can be uniformly stirred, even large soil can be uniformly stirred, the stirring effect is strong, and the efficiency is high.

The utility model relates to the technical field of positioning electric cylinders, in particular to a miniature electric cylinder with a positioning function and suitable for high and low temperatures, which comprises a machine body, a speed reducer is mounted on the inner wall of a cavity, a driving gear is fixedly connected to the outer wall of the speed reducer, a driven gear is meshed with the outer wall of the driving gear, and a bearing is fixedly connected to the outer wall of the driven gear. The outer wall of the bearing is fixedly connected with a main shaft, the top end of the machine body is fixedly provided with a limiting switch, through the limiting switch at the top end of the machine body, the electric cylinder is provided with a positive limiting switch and a negative limiting switch, the movement range of the electric cylinder can be accurately controlled under the DC5V driving voltage, the rated thrust of the electric cylinder reaches 50N, and the thrust requirement in a common working scene can be met; the rated pushing speed of the electric cylinder is stable 4 mm / s, the stability of linear motion is ensured, the effective stroke is set to be 20 mm, displacement control is more accurate, in addition, the electric cylinder can bear radial force as high as 20 N, and therefore the structural stability and reliability in the running process are ensured.

The utility model discloses a deodorization type chicken manure treatment device which comprises a feeding box, through holes are formed in the two sides of the bottom of the feeding box, a conveying mechanism penetrates through the through holes and comprises a conveying pipeline, a servo motor is installed at the left end of the conveying pipeline, and an output shaft of the servo motor is connected with an auger through a coupler; a box body is mounted at the top end of the conveying pipeline, and a second through hole communicated with an inner cavity of the box body is formed in the conveying pipeline. The chicken manure deodorization device relates to the technical field of chicken manure deodorization, the conveying mechanism is arranged, chicken manure in the conveying pipeline is conveyed through an auger, and meanwhile, a spraying mechanism on the conveying pipeline sprays a deodorant onto the chicken manure; then the chicken manure sprayed with the deodorant is conveyed by the auger in the conveying pipeline, so that the deodorant and the chicken manure are mixed, the chicken manure is conveyed while being mixed, and the chicken manure treatment efficiency is improved; and the chicken manure can be conveniently guided, so that the treated chicken manure is unloaded into a transfer trolley or a carriage, and the loading of the chicken manure is more efficient.

The utility model discloses an energy-saving refrigeration house control device which comprises a control device body, a wire arranging block is arranged at an opening in the back of the control device body, a wire hole for a cable to penetrate through is formed in the wire arranging block, and a reinforcing mechanism for limiting and fixing the cable is arranged in the wire hole. The reinforcing mechanism comprises a fixing ring which is located in the wire arranging block and arranged on the wire holes in a sleeving mode, a plurality of evenly-distributed arc-shaped clamping plates are arranged on the fixing ring in a surrounding mode, and the arc-shaped clamping plates are movably connected with the fixing ring through fixing shafts. A cable penetrates through the cable holes to enter the control device body to be electrically connected, through the arrangement of the reinforcing mechanisms and the cable holes, the multiple arc-shaped clamping plates in each cable hole rotate in the same direction, the arc-shaped clamping plates are gathered to bind the cable in the cable holes, and therefore the cable is prevented from being scattered, cable arrangement is facilitated, and meanwhile later maintenance is facilitated.

The utility model provides a control terminal for large-scale machine operation hydraulic data acquisition, and relates to the technical field of power electronics, the control terminal comprises a power supply module, a lightning protection module, an industrial control computer, a GPS positioning module and an alarm lamp module, the power supply module is used for converting external 220V alternating current into 24V direct current; the lightning protection module is connected with the power supply module, and the lightning protection module is connected with an external data acquisition box; the industrial control computer is connected with the power supply module and the lightning protection module. The GPS positioning module is connected with the industrial personal computer, and the GPS positioning module is used for acquiring geographic position information of the large computer in real time; the alarm lamp module is connected with the industrial personal computer, and the alarm lamp module is used for triggering sound-light alarm when the industrial personal computer detects that the hydraulic system is abnormal. According to the utility model, the stability and the reliability of the monitoring system are improved, data can be transmitted in real time, and the efficiency and the safety of railway maintenance operation are remarkably improved.

The application belongs to the field of cable detection, and discloses a low-voltage cable comprehensive line searching device, which comprises a transmitter and a receiver; the transmitter comprises a power module, a modulation unit, an oscillation unit, a chopping unit, a voltage transformation unit, an isolation protection unit and an output unit; and the receiver comprises a cable identification sensor, a path detection sensor, a line searching signal detection unit, a power supply unit, a filter amplification unit, a power amplifier unit and an acoustic surface output unit. The device integrates cable path testing, cable identification and cable core line searching functions, and is lower in cost, portable and simple to operate, compared with the traditional cable path tester and cable identification instrument which are single-function devices, and can quickly solve the cable line inspection function and identification task in the transformer substation, complete the accurate cable line searching work, improve the work efficiency of the transformer substation cable inspection and replacement, and reduce or even eliminate the safety risk of the transformer substation reconstruction and expansion construction.

A SiC semiconductor device is provided that can improve the detection accuracy of the main current value of the current sensing unit by suppressing the escape of heat from the current sensing unit to the wiring material bonded to the sensing side surface electrode. A semiconductor device (1) is provided, the semiconductor device (1) comprising: a SiC semiconductor substrate, a source portion (27) including a main current side unit cell (34), a current sensing unit (26) including a sensing side unit cell (40), a source side surface electrode (5) disposed above the source portion (27), and a sensing side surface electrode (6) disposed above the power sensing unit (26) and having a sensing side pad (15) bonded to a sensing side line, wherein the sensing side unit cell (40) is disposed at a position avoiding the direct lower portion of the sensing side pad (15).

The utility model provides a battery device, a power utilization device and an energy storage device, and belongs to the technical field of batteries. The battery device comprises a battery monomer, a box body and a sensor, wherein the battery monomer comprises a first pressure relief structure; the box body comprises a frame, a second pressure relief structure, a first assembly and a second assembly; the second pressure relief structure is arranged on the frame, and the first assembly is connected with the frame and is opposite to the first pressure relief structure; the first assembly and the frame define a battery bin and an electrical bin which are arranged at an interval, the electrical bin is located on the side, close to the second pressure relief structure, of the battery bin, and the single batteries are located in the battery bin; the first assembly is provided with a first channel communicated with the battery compartment; the second assembly is arranged in the electrical bin and connected with the first assembly and the frame. The second assembly is provided with a second channel communicating with the first channel and the second pressure relief structure. The sensor is arranged in the second channel and used for collecting smoke information of the second channel. According to the invention, the sensitivity and accuracy of smoke monitoring can be improved.

This utility model discloses a container base frame, comprising a frame consisting of two horizontal plates and two vertical plates. The horizontal plates and their corresponding vertical plates are connected by connectors. Multiple first threaded holes are evenly spaced on the opposite sidewalls of the two horizontal plates. Multiple support beams are provided within the frame, and each support beam is connected to its corresponding first threaded hole by a first screw. Multiple through holes are evenly spaced on the bottom of each support beam. This utility model features a reasonable structural design, connecting multiple horizontal and vertical plates to form a rectangular frame. The support beams and reinforcing ribs work together to support the cover plate, ensuring its stability and reducing deformation and collapse. The through holes allow cables to pass through, facilitating cable routing, and allow for adjustment of the support beams' positions within the frame. The design is simple to operate and meets various usage requirements.

This utility model discloses a KVM switch with screen splitting, belonging to the field of computer technology. The mouse and keyboard interfaces are electrically connected to the computer's VGA and PS / 2 interfaces, with each VGA and PS / 2 interface corresponding to a specific computer host. A VGA-to-HDMI chip also corresponds to a specific computer VGA and PS / 2 interface. The input of the VGA-to-HDMI chip is electrically connected to the corresponding computer host via the VGA and PS / 2 interfaces. The output of the VGA-to-HDMI chip is electrically connected to the input of a video splitting processing chip, which in turn is electrically connected to the input of an HDMI-to-VGA chip. The output of the HDMI-to-VGA chip is electrically connected to the VGA interface of the display screen. The video splitting processing chip communicates with an MCU. This KVM switch with screen splitting solves the problem of complex internal wiring and inconvenient maintenance in existing switchers.

A combined switch with a large current protection function comprises at least two-pole frame type switches and at least one-pole fuses, and the at least two-pole frame type switches and the at least one-pole fuses are combined into a whole to be installed in a direct-current power system to control on-off of the direct-current power system. According to the combined switch, the frame-type switch and the fuse are combined into a whole, the size of the whole occupied space of the switch is reduced, the application range of the switch is expanded, meanwhile, the use amount of connecting copper bars between the frame-type switch and the fuse is reduced, the product cost is saved, fusing indication of the fuse can be integrated to a secondary terminal of the frame-type switch, and the service life of the switch is prolonged. The wiring is convenient, and the wiring difficulty is reduced; on the other hand, the frame-type switch and the fuse are combined into a whole, the current protection matching degree is improved, large electric quantity overload protection of the direct-current power system is achieved, additional model selection and construction are not needed, the fuse can be disassembled, assembled and maintained from the front face, and the maintenance difficulty is reduced.

The utility model relates to an off-grid inverter, which belongs to the technical field of inversion devices and comprises a casing and a main board arranged on the bottom wall of the casing, the main board is sequentially provided with a PV module, an inversion module, a DC-DC module and a battery module along the transverse direction, the front side of the PV module is provided with an AC module, the main board is provided with a copper bar jumper wire and a copper sheet, and the DC-DC module is connected with the battery module. The mainboard is connected with the PV module and the AC module through copper bar jumper wires, and the mainboard is connected with the battery module through a copper sheet. Wherein the PV module is a photovoltaic input module, the DC-DC module is a DC transformation module, and the AC module is an AC output module. According to the utility model, the PV module, the inversion module, the DC-DC module and the battery module are sequentially arranged along the transverse direction of the mainboard, the mainboard is connected with the PV module and the AC module through the copper bar jumper wire and is connected with the battery module through the copper sheet, and the inverter adopts a wireless design, has the advantages of compact structure, simplicity, order and convenience in wiring, and can improve the production efficiency.

The utility model discloses a kitchenware electronic scale mounting structure and kitchenware with a weighing function. The kitchenware electronic scale mounting structure comprises a kitchenware bottom shell and a plurality of weighing modules arranged on the kitchenware bottom shell, the kitchen ware bottom shell is provided with a bottom plate part, the periphery of the bottom plate part extends downwards to form a turned edge, and a containing space is defined by the turned edge and the bottom face of the bottom plate part; the weighing module is located in the accommodating space; the weighing module comprises a fixed seat, a weighing module and supporting legs; one end of the weighing module is connected to the fixed seat, and the other end of the weighing module is connected to the supporting leg; the fixing base is installed on the bottom face of the bottom plate part, and a weighing gap is reserved between the upper portion of the other end of the weighing module and the bottom face of the bottom plate part. Thus, the structure of the bottom shell of the kitchen ware is ingeniously changed, the weighing module and the supporting legs are directly installed on the bottom face of the bottom plate part of the bottom shell, installation, overhaul, disassembly and assembly are convenient, and meanwhile due to the fact that the containing space is formed in a surrounding mode, wiring is convenient.

The application provides a motor terminal block assembly, an electric drive system and a hybrid vehicle. The motor terminal block assembly comprises: a terminal block body, wherein an installation portion is formed on the terminal block body; a first wiring assembly, wherein the first wiring assembly is installed on the installation portion and is used for being connected with a high-voltage electrical system; a second wiring assembly, wherein the second wiring assembly is installed on the installation portion and is used for being connected with the high-voltage electrical system; and a third wiring assembly, wherein the third wiring assembly is installed on the installation portion, is located between the first wiring assembly and the second wiring assembly and is used for being connected with a low-voltage electrical system; and wherein filter magnetic rings are respectively sleeved on the first wiring assembly and the second wiring assembly. The motor terminal block assembly integrates high-voltage and low-voltage plug-ins, filters harmonics through the filter magnetic rings, reduces the radiation interference of high-voltage signals on low-voltage signals, and places the low-voltage plug-ins in a shell to avoid the influence of low-voltage radiation current on electromagnetic compatibility level.

The utility model provides a gated intelligent household system, and belongs to the technical field of intelligent household. Comprising a door control main control board, an intelligent door lock, an intelligent home linkage chip, an intelligent home gateway and a plurality of intelligent home sub-devices, the intelligent door lock is used for identifying unlocking operation of a user; the intelligent home linkage chip is arranged in the door control main control board, and the intelligent home linkage chip can receive an unlocking signal of the intelligent door lock and a signal of a shortcut key on a door control rear screen panel and generate a corresponding instruction data packet according to the received signal. According to the utility model, the intelligent household linkage chip is arranged, and the intelligent household linkage chip supports a wireless communication protocol of one of WIFI, Bluetooth or Zigbee, so that the intelligent household linkage chip can stably communicate with the intelligent household gateway, the linkage function of the door control and other household equipment is enriched, and the purpose of convenient and fast household automatic control is realized.

The utility model relates to pipeline anticorrosion technical field, especially a kind of cathodic protection test pile structure, including support pipe;Support pipe inside upper end is equipped with terminal block;The four terminal ends of terminal block back surface are respectively used to be connected with the four detection lines that go up into from the lower end of support pipe, and the two terminal posts of terminal block surface are respectively used to be connected with the terminal pen of multimeter;Support pipe upper end is equipped with the protection cover of barrel shape;The position of support pipe opposite terminal block surface is equipped with let position opening, and the position of protection cover opposite let position opening is equipped with operation opening and is hingedly installed with cover plate;It is equipped with mounting pipe in support pipe, and the inner peripheral wall of mounting pipe has two protruding blocks, and the mounting protruding block formed by protruding on the upper end both sides of terminal block is respectively hung and installed on protruding block;The utility model has the characteristics that terminal block can be more conveniently installed and disassembled, and better sealing effect can be achieved.

The application belongs to the technical field of electrical tools, and specifically discloses a multipurpose quick dismounting device for power equipment maintenance, which comprises an in-slot extending handle, two symmetrically distributed in-slot extending knobs are rotationally connected to the inner side of the in-slot extending handle, a terminal surface external embedding guide assembly is arranged at one end of the in-slot extending knob, and a wire harness dismounting and adjusting assembly is detachably connected to the inner side of the terminal surface external embedding guide assembly; the terminal surface external embedding guide assembly is composed of the in-slot extending handle, the in-slot extending knob, a hook-shaped guide part and an inwardly-retracted mouth embedding part, so that the overall operation part of the wire harness dismounting and adjusting assembly can extend to the bus terminal groove of the power distribution cabinet and be closest to the end part of the wiring terminal during operation, and due to the section guide of the hook-shaped guide part and the inwardly-retracted mouth embedding part, the wire harness dismounting and adjusting assembly can be attached to the outer surface of the terminal during specific operation, the external excess cable is isolated, and the to-be-processed cable is surrounded, so that the clamping or cutting action is stabilized to the connection point position of the cable and the terminal.

A three-incoming-line wiring terminal of a novel structure comprises a shell, a current-carrying terminal and a cover plate, the current-carrying terminal is fixedly arranged in an inner cavity between the shell and the cover plate, the current-carrying terminal comprises a top plate, a first supporting plate, a second supporting plate and a bottom plate, a first connecting plate is integrally arranged between the top plate and the first supporting plate, and a second connecting plate is integrally arranged between the top plate and the second supporting plate. A second connecting plate is integrally arranged between the first supporting plate and the second supporting plate, a third connecting plate is integrally arranged between the second supporting plate and the bottom plate, the first connecting plate and the third connecting plate are arranged on the side away from the cover plate, the second connecting plate is arranged on the side close to the cover plate, and a first elastic piece is fixed to the upper end of the first supporting plate. According to the utility model, the layout of three incoming wires can be realized in a smaller volume, wires can be independently connected and taken, and the structural layout is more reasonable; and the size of the product is small.

The utility model discloses a frequency converter with a compact structure, which comprises an upper shell, a lower shell, a control board, a driving board, an insulated gate bipolar transistor (IGBT) module integrated on the driving board, a wiring terminal strip, a radiator and a fan, the upper shell is fixedly connected with the lower shell, and two ends of the upper shell are respectively and correspondingly provided with an air inlet and an air outlet. The lower shell comprises a bottom plate, a vertical plate and a top plate which are integrally connected in sequence, the control plate is transversely fixed to one end of the top plate, the driving plate is vertically arranged on one side of the vertical plate, the radiator is fixedly installed on the other side of the vertical plate, the IGBT module is fixedly connected to the back face of the radiator, and the fan is fixedly installed at one end of the vertical plate and located on the inner side of the air inlet. And the air inlet, the radiator and the air outlet are positioned on the same side. According to the utility model, the three-dimensional space can be fully utilized, and the frequency converter is more compact in structure and more reasonable in layout on the basis of ensuring effective heat dissipation, so that the occupied space is effectively saved; in addition, wiring is more convenient, and misconnection and missed connection cannot be caused.

The invention relates to the technical field of wiring devices, and particularly discloses a wire clamp installation tool and a wiring method.The wire clamp installation tool comprises a movable support slidably arranged at the top of a bottom plate and a movable plate fixedly arranged on the inner side of the movable support, and installation mechanisms arranged at intervals are arranged on the side wall of the movable support; wiring can be completed through the limiting support, the mounting mechanism and the like without cutting off a line power supply. Therefore, user power failure caused by construction is avoided, continuous production of medium and large-sized enterprises with extremely strong dependence on electric power is guaranteed, economic loss is reduced, high requirements of social production on continuous power supply are directly responded, a series of actions such as lead fixing, nut tightening and wire clamp clamping are automatically completed through automatic identification and positioning of the camera and driving of the motor, and the production efficiency is improved. The original tedious process depending on manual multi-step operation is integrated into a coherent automatic process. Therefore, the efficiency of single operation is greatly improved.

This utility model discloses a high-precision digital sensor keypad switch keyboard, characterized by: including a PCB board, on which at least one digital magnetic sensor keypad switch is disposed; and on which a digital magnetic sensor is disposed, capable of linearly and accurately detecting the change in magnetic flux in the Z-axis direction caused by the height difference of the permanent magnet within the keypad switch, and quantifying it into a digital sample value to generate a high or low level digital signal output. The digital magnetic sensor and the keypad switch are configured in a one-to-one correspondence. The purpose of this utility model is to overcome the shortcomings of the prior art and provide a digital magnetic sensor keypad switch keyboard with a simple structure, low cost, effectively reducing the wobbling amplitude during the keypad's movement stroke, high triggering accuracy and reliability, relatively low frictional resistance, good tactile feel, and ultra-low latency.

An electronic device (100) applied to an electric motor includes a wiring substrate (101), an electric connection wiring (150) disposed at a substantially center of the wiring substrate and connected to a power source, a plurality of motor connection wirings (114-116) disposed at a periphery side of the wiring substrate compared to the electric connection wiring and connected to the electric motor, and a plurality of semiconductor modules (120) each including a plurality of semiconductor elements (123b, 124b) and a resin mold (125) integrally sealing the plurality of semiconductor elements. The plurality of semiconductor modules are disposed on the electric connection wiring or at a position at the periphery side of the wiring substrate compared to the electric connection wiring and at a center side of the wiring substrate compared to the motor connection wirings, and electrodes of at least a part of the plurality of semiconductor modules are mounted on the electric connection wiring.

This invention provides a method, computer device, and storage medium for optimizing integrated circuit power network routing. The method includes: performing initial routing based on initial parameters and constraints; evaluating the connectivity of the power network after initial routing, such as calculating connectivity optimization by adjusting routing parameters to ensure the number of unconnected pins meets the requirements if the number of unconnected pins does not meet a preset threshold; evaluating the power drop state of the power network, and performing power drop optimization by adjusting routing parameters to reduce the worst-case power drop to below the threshold if the worst-case power drop value exceeds a preset threshold; and routing the power network based on the final determined routing parameters obtained from the power drop optimization calculation. The computer device and storage medium can implement the above method. This invention improves the computational efficiency of routing optimization.

The wiring terminal comprises a fixing plate, a wire fixing plate, a first wire clamping plate and a second wire clamping plate, the fixing plate is fixedly installed at one end of the wire fixing plate, and one end of the first wire clamping plate and one end of the second wire clamping plate are arranged at the other end of the wire fixing plate. The first wire clamping plate and the second wire clamping plate are symmetrically arranged at the wire fixing plate, and one ends, far away from the wire fixing plate, of the first wire clamping plate and the second wire clamping plate are separated; according to the wiring terminal stable in wiring, the fixing plate is fixedly installed at the corresponding position of an electrical element, the end of a wire is clamped through the wire fixing grooves of the wire fixing plates, the wire is wound by multiple circles through the wire clamping grooves, and finally the wire is firmly fixed by meshing the first insertion teeth and the second insertion teeth on the first wire clamping plate and the second wire clamping plate at the wire. The wiring terminal is convenient in wiring, can firmly fix the wire, effectively reduces the risk that the wire falls off, and improves the firmness of wire plugging.

The utility model discloses a lifting type rotating device for copper-clad plate packaging, and relates to the technical field of copper-clad plate packaging. The side pushing mechanism comprises a rotary table, a table top and two side pushing mechanisms, the table top is rotationally arranged on the rotary table through a rotary support, a rotary mechanism is arranged between the table top and the rotary table, the four side edges of the table top are each provided with a set of strip-shaped grooves perpendicular to the side edges of the table top, and the opposite sides of the rotary table are each fixedly provided with a set of first cross beams; and a group of second cross beams are fixed on the other opposite sides of the rotary table. Products can be stacked and reversed through the cooperation of the rotary table and the table top, the four side edges of the products on the table top can be positioned through the design arrangement of the two side pushing mechanisms, the stacking state of the products can be ensured, the products can be stably stacked in the center of the table top, and the product stacking efficiency is improved. And the stacking efficiency, the stacking precision, the packaging efficiency and the automation degree can be greatly improved.

This invention discloses an integrated welding and drilling system and method for vehicle roofs. The system includes a control unit, a robot unit, a positioning fixture, a spot welding unit, and a drilling unit. The robot unit includes a robot and a tool changer. The positioning fixture includes a welding positioning clamping mechanism and a drilling positioning mechanism. The spot welding unit includes a spot welding gun fixedly connected to the tool changer. The drilling unit includes an electric spindle gun and a manual drilling gun, located on either side of the spot welding gun. During operation, the system adjusts the positioning fixture to clamp and support different types of roofs. The control unit controls the robot to move the spot welding gun to the welding area for welding. After welding, the tool changer rotates to switch tools for drilling. After the operation is completed, the robot resets. This system integrates welding and drilling functions, enabling automated, high-precision welding and drilling of vehicle roofs, achieving flexible production operations.

The waterproof and dustproof structure comprises a containing shell, an opening is formed in the right side of the containing shell, a high-power loudspeaker body is arranged at the middle end of an inner cavity of the containing shell, and a double-shaft motor is fixedly installed at the right end of the top of the inner cavity of the containing shell. According to the utility model, through the arrangement of the storage shell, the high-power loudspeaker body can be stored and protected in the outdoor use process, the probability that the high-power loudspeaker body is subjected to dust attachment and water vapor erosion is reduced, and through the arrangement of the double-shaft motor, the worm, the worm gear, the rotating shaft, the fixed rod and the protective shield, the high-power loudspeaker body can be protected. When the high-power loudspeaker body is in a non-use idle state, the opening in the right side of the storage shell can be shielded and protected, so that the waterproof and dustproof protection effects around the high-power loudspeaker body when the high-power loudspeaker body is in the non-use idle state are effectively improved, and normal operation of the high-power loudspeaker body in the later use process is ensured.

The utility model discloses an electric control box assembly and heat pump equipment, and relates to the technical field of electric control boxes, the electric control box assembly comprises a circuit board and a protective cover plate, the wiring position of the circuit board is arranged at the edge of the circuit board, and the protective cover plate is installed on the side, provided with the wiring position, of the circuit board in a covering mode. The notch of the protective cover plate is used for exposing at least part of the wiring position, and an overturning part is connected to the notch and can cover or open the notch. When wiring needs to be carried out on the circuit board, the turnover part is rotated to be in an open state so as to expose the wiring position. The whole protective cover plate does not need to be disassembled, wiring of operators can be facilitated, and the wiring efficiency is high. The protective cover plate still covers the circuit board, and the wiring position is exposed only by opening the turnover part, so that the situation that a wiring tool mistakenly touches electronic components at other positions of the circuit board can be effectively reduced, the probability of misoperation is reduced, and the safety during wiring is improved.

According to the multifunctional high-definition audio decoding equipment and the audio system, a user interaction module, a data expansion module, an audio processing module, an earphone amplification module, a power supply management module and an audio output interface are integrated in a machine shell, so that the functions of high-definition decoding, interface expansion and MAC (Media Access Control) startup are realized, desktop wiring is simplified, and the cost is reduced. The problem that an MAC user is inconvenient to start up is solved, user experience is improved, in addition, the audio processing module supports the most advanced high-resolution audio format at present through the combination of an XMOS XU-316 USB audio controller and an ESS ES9039Q2M DAC chip, complete MQA rendering is included, reference-level tone quality performance is provided, an audio output interface provides multiple output interfaces, and the audio processing module is suitable for being used by a user. Diversified requirements of a user for connecting earphones, sound boxes and other digital devices are met, and adaptability is high.

The utility model relates to an automatic tension wire threading plate for a wire frame of a circular weaving machine, which comprises an assembly frame, a mounting shaft is transversely arranged on the assembly frame, a plurality of assembly seats are arranged on the mounting shaft at intervals, and a tensioning rod is arranged between every two adjacent assembly seats. The tensioning rod comprises a hinge portion hinged to the mounting shaft and a movable portion extending outwards, the movable portion is provided with a threading hole allowing a warp to penetrate through, a thread passing hole is further formed in the position, located on the front side of the threading hole, of the assembling frame, the tensioning rod is further provided with a clamping portion, the assembling base is further provided with an expansion piece, and the expansion piece is connected with the clamping portion. When the tensioning rod is driven to swing upwards, the clamping part can be driven to rotate to be matched with the expansion piece to achieve expansion of the tensioning rod, the lifted tensioning rod can be clamped to prevent the tensioning rod from automatically swinging and falling, the clamping part is driven to be separated from the expansion piece after threading is completed, and the tensioning effect can be achieved. Wiring and threading are convenient, and normal tensioning due to gravity is not affected.