551results about How to "No noise" patented technology

The invention discloses an AI intelligent control pressure sore prevention self-adaptive mattress system which comprises a mattress body provided with a polymer support column structure covering in all directions and designed into a plurality of areas, and the areas are accurately divided to support a human body and disperse pressure; the sensor array module is used for recording monitoring data of contact between each part of a human body and a plurality of areas of the mattress body in real time; the AI chip control module integrates an advanced algorithm and a processor and is used for receiving and analyzing the monitoring data from the sensor and sending out a control instruction based on an analysis result; and the database management module is used for storing monitoring data of patients with different weights, heights, ages and body positions and is used for predicting and early warning pressure sore risks. According to the invention, pressure sore risk areas can be accurately identified in a zoning manner, pressure, temperature and humidity information can be monitored in real time, and meanwhile, a proper pressure state is automatically adjusted, so that the occurrence of pressure sores is effectively prevented.

The invention provides a charging pile and a charging control method, the charging pile comprises a charging module and a heat dissipation device, one end of the heat dissipation device can be attached to or separated from the charging module, and the other end of the heat dissipation device is communicated with a low-temperature part; the heat dissipation device comprises a magnetic field generator and at least one heat dissipation module. The heat dissipation module comprises a magnetized part and a heat conduction part, the magnetized part and the heat conduction part are sequentially arranged in the direction from the charging module to the low-temperature part, and the magnetized part can move in the direction close to or away from the charging module; the magnetic field generator can provide a magnetic field for the magnetized part in an intermittent mode. According to the charging module, the heat of the charging module can be transferred to the low-temperature part step by step and step by step, heat dissipation of the charging module is achieved, a good heat dissipation effect can be provided, only the magnetized part performs intermittent reciprocating motion in the whole heat transfer process, the magnetic field generator intermittently provides a magnetic field, and unnecessary vibration or noise cannot be generated.

The invention provides a graphene heating ceramic substrate and a preparation method thereof, and the specific steps are as follows: S1, preparing an electrode on the surface of a ceramic substrate with the smoothness Ra less than 0.008 [mu] m to obtain a pretreated ceramic substrate; s2, coating the surface of the pretreated ceramic substrate with a graphene coating, drying and sintering to obtain a graphene heating ceramic substrate; the graphene coating is prepared by mixing graphene, a silane coupling agent, potassium silicate, silicone acrylic emulsion, sodium polyacrylate, a defoaming agent and a film-forming agent. The graphene coating is prepared through a novel method, the method is simple and easy to implement, the graphene coating has high binding force with the ceramic substrate with the pretreated surface, the preparation technology of the graphene heating ceramic substrate is simplified, the yield and heating efficiency are improved, and a safe and environment-friendly heating mode is achieved.

The utility model discloses a speed reducer service life testing device. The speed reducer service life testing device comprises a test bench, a motor flange plate used for installing a servo motor, a speed reducer installing plate used for installing a speed reducer to be tested, and a torque sensor, wherein the motor flange plate, the speed reducer installing plate and the torque sensor are arranged on the test bench from front to back. The servo motor is connected with the speed reducer through an input shaft, and the speed reducer is connected with the torque sensor through an output shaft. The experiment table is provided with a plurality of key bars, a connecting plate and a mounting plate, the supporting assembly is connected with the key bars in a matched mode through mounting grooves, and the servo motor, the speed reducer, the torque sensor and the flange shaft are coaxially mounted. A positioning key strip is arranged on the test bench, and if the specification of the detected speed reducer needs to be replaced, the coaxiality in the horizontal direction is ensured while the length distance of a transmission chain is adjusted.

The invention discloses a phase change heat transfer motor stator heat dissipation structure and a design method, and belongs to the technical field of motor heat management, the structure comprises a stator iron core, a copper wire winding and a flattening type phase change heat transfer device, the copper wire winding is arranged on the inner side of the stator iron core, and the flattening type phase change heat transfer device is arranged on the outer side of the stator iron core; the flattening type phase change heat transfer device is arranged in a groove, in contact with the stator core, in the radial interior of the copper wire winding. The invention further discloses a design method of the heat dissipation structure. By adopting the heat dissipation structure and the design method, the thermal control technology of the motor stator winding is researched and developed based on the phase change heat transfer device, and the purposes of greatly reducing the peak temperature of the motor, enhancing the temperature uniformity of the motor and realizing high-overload-multiple safe operation are achieved.

The utility model provides a high-capacity mobile energy storage power distribution vehicle which comprises a second-class chassis, a mute type compartment is arranged on the second-class chassis, and the mute type compartment is sequentially provided with a fire-fighting cabin, a battery cabin, an equipment cabin and a cable cabin. A battery cabinet is arranged in the battery compartment, a battery pack is placed on the battery cabinet, an electric control cabinet, a charging pile and a charging gun are arranged in the equipment compartment, and the charging pile is electrically connected with the battery pack and used for charging an electric vehicle; a power input cabin is arranged on the right skirt edge of the second-class chassis and provided with a mains supply connector. The energy storage power distribution vehicle has the characteristics of millisecond-level access, zero flicker of power supply, silence, environmental protection, flexibility, large energy storage capacity and the like, when accidents such as power failure occur, the energy storage power distribution vehicle can respond in millisecond and timely supply power to the outside in emergency, the charging pile is arranged, the liquid cooling over-charging and quick charging functions can be realized by the charging pile, and emergency guarantee is provided for the electric vehicle.

The invention provides a PTC heater power control method, device and equipment and a medium, the method is applied to a controller of a PTC heater power control system, and the method comprises the following steps: calculating according to an obtained target power value and a current power value to obtain a power difference value; comparing the power difference value with a preset difference value to obtain a comparison result, and adjusting the current duty ratio to obtain a target duty ratio; and for the vehicle battery pack, the IGBT assembly performs continuous power supply control processing on the LC circuit according to the target duty ratio, so that the LC circuit performs real-time adjustment on the average voltage value of the PTC heater in each first preset period, and the current value of the PTC heater in each first preset period forms a preset waveform, thereby realizing power control on the PTC heater. According to the embodiment of the invention, peak current and noise are not generated in the control process, so that the safety is improved.

The utility model aims at providing the two-section type clamping jaw structure suitable for the automobile interior cup holder, and the problems that a clamping jaw of an original one-section type clamping jaw structure is directly connected with the cup holder, a special-shaped cup (bottle) is prone to being clamped when taken out and needs to be put back for the second time and then taken out, and the connecting position of the clamping jaw and the cup holder is extremely prone to being damaged after the special-shaped cup (bottle) needs to be taken out after the special-shaped cup (bottle) is taken out after the special-shaped cup (bottle) is taken out are solved. A first hole A in the clamping jaw is coaxially matched with a first rotating shaft B on the upper clamping jaw bracket; a second rotating shaft D on the upper clamping jaw bracket is coaxially matched with a second hole C in the lower clamping jaw bracket; and the spring is coaxially matched with a third rotating shaft E on the lower clamping jaw bracket. The cup holder has the advantages that the two-section type clamping jaw structural design is adopted, the clamping force generated after a water cup (bottle) is placed in the cup holder cannot be reduced, the water cup (bottle) can be firmly fixed, and the situation that the water cup (bottle) cannot be taken out due to the fact that the water cup (bottle) is clamped very tightly is avoided.

The invention discloses a leakage-proof shell-and-tube heat exchanger which comprises a fixedly connected shell, two tube plates, a plurality of heat exchange tubes, a shell side inlet, a shell side outlet, a tube side inlet, a tube side outlet and a plurality of baffle plates, and the gap between the baffling end of each baffle plate and the inner wall of the shell is larger than the gap between the other outer circumference and the inner wall of the shell. The baffle ends of two adjacent baffle plates are arranged in opposite directions in the radial direction; annular plates are arranged on the two axial sides of each baffle plate at intervals, the radial outer ends of the annular plates are connected with the inner wall of the shell, the radial inner ends of the annular plates are located on the radial inner sides of the other outer circumferences of the corresponding baffle plates, and the baffle ends of all the baffle plates are located on the radial inner sides of the radial inner ends of all the annular plates. The sum of axial gaps between each baffle plate and the annular plates on the two sides of the baffle plate is smaller than the minimum gap between the baffle plate and the inner wall of the shell; the heat exchanger not only can prevent leakage flow, improve heat exchange efficiency, reduce vibration and noise and prolong service life, but also has the advantages of being easy and convenient to manufacture, install and maintain and wide in application range.

The reciprocating motion mechanism of the fascia gun is equivalent to a machine core and is arranged in a shell of the fascia gun, one end of a piston is used for being connected with a massage head, the end, away from the massage head, of the piston is connected with a movable sliding block, and the end, away from the piston, of the movable sliding block is rotationally connected with a transmission shaft. The axial line of the transmission shaft coincides with the axial line of the piston, the transmission shaft rotates in the axial line direction so that the movable sliding block can drive the piston to move back and forth in the axial line direction, a linear transmission structure is adopted, a shell of the fascia gun does not need right-angle turning treatment, the shape is more concise and graceful, and occupied space is small. An eccentric wheel and a bearing connecting rod do not need to be additionally arranged for driving, the overall size of the shell is relatively reduced, noise is improved, the use experience of a user is improved, meanwhile, abrasion caused by large rotational inertia of the eccentric wheel is avoided, and the service life of a product is prolonged.

A movable kitchen storage structure for an automobile spare tire bin comprises a trunk bottom plate, the spare tire bin is arranged on the trunk bottom plate, the movable kitchen storage structure further comprises a storage box, the outer side wall of the storage box is matched with the inner side wall of the spare tire bin, the storage box is installed on the spare tire bin, and a movable kitchen storage bin matched with a movable kitchen in shape is arranged on the storage box. And a movable kitchen is placed on the movable kitchen storage bin. At present, most people have low requirements for spare tires, so that the spare tires are removed, a storage box matched with a spare tire bin is arranged, the movable kitchen is placed on the storage box, the spare tire bin is utilized to achieve storage and fixation of the movable kitchen, a space is vacated in the trunk to place other objects, the space utilization rate is improved, and meanwhile, the space utilization rate is increased. The storage box is used for fixing the movable kitchen, so that the movable kitchen does not shift or collide with a trunk to generate noise in the driving process, and the driving comfort is guaranteed.

The invention provides a multi-line laser strip center extraction method and device, an object three-dimensional reconstruction method and system, a laser scanner and a computer readable storage medium, and the extraction method comprises the steps: carrying out the binarization processing of an original image, carrying out the analysis of a connected region, and obtaining a plurality of connected regions; determining a to-be-processed sub-image and a mask sub-image of each connected region, processing the to-be-processed sub-image through the mask sub-image, and determining a central point of each laser line segment by adopting a Gaussian weighted gray gravity center method, so as to obtain a central line of each laser line segment; according to the laser light strip center extraction method, the extraction precision of each center point can be improved, and the extraction efficiency is high.

The invention relates to the field of pipeline engineering, in particular to a self-locking mute easy-to-open anti-settling manhole cover which is composed of a well seat, a well seat rubber mat bearing platform, a pawl mounting wall, a manhole cover body and a city business card. The well seat lifting conical cylinder is aligned with the inspection well and put down, the well seat surface ring is adjusted to be flat with the road surface, the well seat lifting conical cylinder is fixedly connected with the roadbed body through the conical cylinder fixing screws, and the nodular cast iron anti-falling net is placed on the nodular cast iron anti-falling net bearing platform; the nylon anti-falling net is hung on the W-shaped anti-falling net hook, and the silencing pressure-resistant rubber mat is glued on the well seat rubber mat bearing platform; the shaft pin assembles the torsion spring and the pawls between the two pawl mounting walls, the T-shaped screw rod for jacking the well lid is pushed downwards to open the pawls, meanwhile, the self-locking pawls are retracted upwards, the pawl mounting walls are aligned with the pawl box to be put down, the torsion spring locks the self-locking pawls and the inner wall of the vertical ring without loosening, the T-shaped screw rod for jacking the well lid and the well seat can easily jack the well lid and the well seat, and pavement base materials are evenly paved below the well seat surface ring. The well seat and the road surface are adjusted to be flat, and the functions of well lid and well seat settlement adjustment, self-locking, silence, easy opening, theft prevention, settlement prevention, return surge prevention, safety, sealing and leveling are achieved.

The invention discloses a precise temperature control and energy comprehensive management device for an injection molding machine, the device is arranged on a machine barrel of the injection molding machine, the device comprises a temperature difference power generation system, a semiconductor refrigeration system and a cooling system, the temperature difference power generation system comprises a plurality of temperature difference power generation sheets and is used for controlling the temperature of a high-temperature heating section of the machine barrel and absorbing waste heat for power generation; the plurality of thermoelectric power generation sheets are connected in series to the voltage stabilizing circuit to supply power to a PLC of the injection molding machine; the semiconductor refrigeration system comprises a plurality of semiconductor refrigeration sheets and is used for controlling the temperature of the low-temperature heating section of the machine barrel; the cooling system is used for maintaining the constant temperature difference between the cold and hot ends of the thermoelectric power generation sheet and improving the refrigeration efficiency of the semiconductor refrigeration sheet. The device has the advantages of being simple in structure, safe, reliable, long in service life, free of moving parts, free of noise, environmentally friendly and the like, continuous and precise control over the temperature of the high-temperature section of the machine barrel can be achieved by controlling the heat dissipating capacity of the cold end of the thermoelectric power generation piece, and the temperature of the low-temperature section of the machine barrel can be precisely controlled by changing the magnitude of current supplied to the semiconductor chilling plate.

The invention discloses a microbial activation method and application of sintered brick slag powder, relates to the technical field of resource recycling of building solid wastes, and aims to solve the problems of large composition difference, poor performance, low utilization rate and the like of the sintered brick slag powder. According to the microbial activation method for the sintered brick slag powder, the sintered brick slag powder is activated by adopting AS1.232 bacillus mucilaginosus, so that solubilizing activation treatment is carried out, and the sintered brick slag powder subjected to microbial activation can be used as a substitute of a common active admixture, an admixture and the like; and an efficient and low-carbon regeneration application technical approach is provided for the sintered brick slag powder.

The invention provides a self-biased very-low-frequency mechanical transmitting antenna driven by piezoelectricity and a preparation method of the self-biased very-low-frequency mechanical transmitting antenna. The preparation method comprises the following steps: step 1, preparing a piezoelectric ceramic material; step 2, cutting and slotting; thirdly, resin is poured; step 4, cutting the layer sheets; step 5, packaging; step 6, polarization treatment; step 7, preparing a bonding layer; and 8, hot-pressing and compounding. Compared with an existing magnetoelectric antenna, the self-biased very-low-frequency mechanical transmitting antenna has the advantages of being self-biased, high in piezoelectric property, miniaturized, free of extra noise sources and electromagnetic interference and the like, has the advantages of being high in stress transmission efficiency, small in ohmic loss and the like, can meet the requirement for miniaturization of the magnetoelectric mechanical antenna, is easy to form a large-scale array, and is suitable for large-scale popularization and application. The magnetic emission performance under zero bias is improved, and the low-frequency communication effect is achieved.

The utility model relates to the technical field of bedding supplies, in particular to a three-dimensional (3D) air cushion pillow with height and hardness adjusted through inflation. The air cushion pillow is divided into a cervical vertebra bearing area and a head relaxing area, the head relaxing area is divided into a brain nest area and a peripheral supporting area, and the air cushion pillow further comprises an inflation adjusting device. According to the utility model, the three-dimensional partition design is adopted, the pillow effectively fits the human skeleton curve according to the ergonomic design, the height of the cervical vertebra bearing area is adjusted through the inflation adjusting device, uniform support is provided for the cervical vertebra, relaxation and soothing of the cervical vertebra are promoted, the pressure and fatigue of the neck are reduced, and the stretching of the cervical vertebra is realized; the cervical vertebra problem is effectively corrected. Meanwhile, the pillowcase of the air cushion pillow is made of different fabrics according to areas, the pillow inner is made of 3D materials and integrally formed through warp knitting, the upper face and the lower face are provided with meshes, the air permeability and comfort are higher, and the surface of the air cushion pillow is kept comfortable and dry through air circulation.

The invention relates to the technical field of wind power utilization, in particular to a wind speed self-adaptive triboelectricity-electromagnetic induction hybrid wind-driven generator based on an inertia driving conversion mechanism, which comprises a base, an induction power generation structure, a planetary gear structure, a friction rotor structure, a friction stator structure and a wind power conversion mechanism, the induction power generation structure is located above the base and connected with the base in a clamped mode, the planetary gear structure is located above the induction power generation structure, the friction rotor structure is connected with the induction power generation structure and the base in a clamped mode, the friction rotor structure surrounds the planetary gear structure, and the friction stator structure surrounds the friction rotor structure. The wind power conversion mechanism penetrates through the friction stator structure and is fixedly connected with the planetary gear structure. The wind energy collecting device has the efficient wind energy collecting effect.

The utility model belongs to the technical field of electro-acoustic conversion, and particularly relates to a sound production module and electronic equipment, the sound production module comprises a shell, at least two sound production monomers and a damping piece, and an accommodating cavity is formed in the shell; the at least two sound production monomers are accommodated in the accommodating cavity side by side, each sound production monomer comprises a shell and a sound cavity arranged in the shell, the shell is provided with a sound outlet hole connected with the sound cavity, and at least part of the sound outlet holes of the two adjacent sound production monomers are oppositely arranged; the damping piece is arranged between two adjacent sound production single bodies, and at least part of sound outlet holes of the sound production single bodies are opposite to the damping piece; the damping piece is a breathable piece, and the acoustic resistance range of the damping piece is 6-260 MKS Rayls. According to the sound production module provided by the utility model, the damping pieces are arranged between the adjacent sound production monomers, so that the thickness of the sound production module can be reduced, a loudspeaker function, a private call function and differential design of the sound production monomers can be realized, and the loudness and sound production effect of the sound production module in a receiver mode can be ensured.

The utility model discloses an in-vitro cell culture platform with sound wave stimulation and accurate temperature control, which comprises a thermoelectric refrigeration sheet, a cell culture chamber, a circular piezoelectric ceramic sheet, a water-cooling circulating cooling system, a PID (proportion integration differentiation) temperature controller and a shell, the bottom surface of the thermoelectric refrigeration sheet is in contact with the water-cooling circulating cooling system; the utility model relates to the technical field of refrigeration. According to the utility model, the cell culture chamber can be cooled or heated through the thermoelectric refrigeration sheet, and an alternating current electric signal is applied to two ends of the piezoelectric ceramic sheet electrode to excite surface acoustic wave (SAW) through an inverse piezoelectric effect so as to control the movement of suspended particles in micro-droplets, so that sound wave stimulation is provided for realizing in-vitro cell culture; and meanwhile, the hot end of the thermoelectric refrigeration sheet is effectively cooled by virtue of the water-cooling circulating cooling system, so that the temperature of the thermoelectric refrigeration sheet is maintained within a normal working range.

The invention discloses an assembling, detecting and marking all-in-one machine for connecting an automobile anti-collision beam semi-assembly and an accessory. The assembling, detecting and marking all-in-one machine comprises a machine base device, a positioning and clamping device, a conveying device, a visual detecting device, a marking device and a mistakenly-assembling preventing device. The positioning and clamping device is fixed to the portion, above the machine base device, of the workbench, the marking device is arranged in the middle of the positioning and clamping device, the two ends of the positioning and clamping device are each provided with one conveying device, the visual detection device is arranged above each conveying device, and marking, assembling and detecting are integrated on one device. The assembly precision and the marking position are better guaranteed through one-time positioning, the product quality and the working efficiency are improved, and the occupied space is reduced; two groups of control switches are arranged, so that two modes of single-person operation and double-person operation can be realized; the detection mode of the visual detection device is adopted, 100% neglected assembly prevention and mistaken assembly prevention detection is carried out on the assembled screws, and the assembly accuracy is improved; the laser marking machine is adopted for marking, a protection mechanism is additionally arranged, the speed is high, and noise and pollution are avoided.

The invention discloses a method for flying start of a position sensorless vector controlled permanent magnet synchronous motor. During flying start, a speed tracking unit is used to take the real-time running speed Spd_act of the motor as the current speed command Spd_ref, and Iq_ref and Id_ref are set to 0, and FOC magnetic field oriented control processing is performed until the real-time q-axis current Iq is less than the set q-axis current Iq0, then the speed tracking unit is exited and the current speed command Spd_ref is recorded; an acceleration adaptive control unit compares the current speed command Spd_ref with the flying start target speed Spd_target, if Spd_ref is less than Spd_target, acceleration a=a0 is set; if Spd_ref is greater than Spd_target, a voltage error error is calculated, and then PI processing is performed on the voltage error error to output acceleration a; the method effectively suppresses the reverse rotation of the motor to generate electricity, avoids the risk of overvoltage of the motor controller, has high reliability, simple logic algorithm, and can seamlessly connect the current speed of the motor.

The utility model discloses a pastry leavening machine for wheaten food processing and making, and particularly relates to the technical field of wheaten food processing devices.The pastry leavening machine comprises a box body, a leavening assembly for leavening pastry is arranged in the middle of an inner cavity of the box body, and an adjusting mechanism is arranged on the right side of the leavening assembly; the front side of the box body is provided with a transmission assembly for transmitting the fermentation assembly, and the left side of the upper end of the box body is fixedly provided with a feeding port for conveniently feeding materials into the device. According to the pastry leavening machine for processing and making the cooked wheaten food, the dough pressing roller is matched with the conveying belt II and the conveying belt I, so that leavened dough can be extruded, air in the dough can be better extruded out through continuous extrusion, noise cannot be generated by adopting an extrusion mode, and the pastry leavening machine is very convenient to use. During extrusion, the distance between the sliding block and the dough pressing roller can be adjusted according to the size of the dough by controlling the adjusting mechanism, so that the dough can be kept in a certain shape during extrusion, and subsequent taking work is facilitated.

The invention belongs to the technical field of drilling tool production, and discloses an automatic drill rod screwing and unscrewing mechanism which comprises a machine base, a follow-up hydraulic centering clamping jaw, a rotary clamping jaw assembly and an automatic sliding center jacking tailstock. A drill rod is placed on the follow-up hydraulic centering clamping jaw and is clamped and fixed, the rotary clamping jaw assembly and the automatic sliding center jacking tailstock are arranged at the two ends of the drill rod respectively, the automatic sliding center jacking tailstock is used for limiting axial movement of the drill rod, and the rotary clamping jaw assembly is used for clamping a male connector phase tool. Connection or separation of the male connector phase tool and the drill rod is achieved through rotation. The mechanism further comprises a jacking height aligning assembly, a gap visual inspection device and an air blowing nozzle, and the problems of high labor intensity, low efficiency, quality defects, potential safety hazards and the like caused by manual operation can be effectively solved. The device is compact in structure, high in automation degree and suitable for production of large-diameter lengthened drill rods, machining efficiency and quality are improved, production cost is reduced, and high industrial application value is achieved.

The invention discloses a multifunctional indoor building measuring method. A group of multiple first distance measuring sensors which are arranged in parallel along a straight line form a distance measuring scanning array; enabling the distance measurement scanning array to translate along the direction parallel to the building plane, obtaining the distance between each first distance measurement sensor and the building plane to be measured as first distance data through each first distance measurement sensor in the process, monitoring the real-time translation position of the distance measurement scanning array through a second distance measurement sensor, and obtaining second distance data; acquiring included angle data of the ranging scanning array relative to the horizontal plane through an angle measuring instrument; and then collecting the first distance data, the second distance data and the included angle data through a controller. The multifunctional indoor building measurement method provided by the invention can be operated by only one person, and is simple to use, accurate in measurement and high in data entry efficiency.

The invention is suitable for the technical field of fans, and provides a silent energy-saving fan which comprises a mounting cylinder, an air outlet and an air inlet which are formed in the two ends of the mounting cylinder respectively, and a driving box fixed to the lower end of the mounting cylinder, and a base fixed to the lower end of the driving box; a first fixing support is fixed in the air outlet, a main shaft is rotationally connected to the first fixing support, blades are fixed to the main shaft, and a rotating assembly is arranged in the mounting cylinder and used for driving the main shaft to rotate; a filter screen is fixed to the end, close to the air inlet, in the mounting cylinder, and guide sliding grooves are formed in the positions, located on the two sides of the filter screen, in the mounting cylinder correspondingly. The up-down moving mechanism drives the two guide sliding rods to move up and down synchronously, the two guide sliding rods drive the cleaning brush and the air blowing sleeve to move up and down, the cleaning brush conducts brushing cleaning on the filter screen, the air blowing sleeve breaks the pressure difference between the two sides of the filter screen, and therefore the cleaning efficiency of the filter screen is improved.

The invention relates to the technical field of automobile rearview mirrors, in particular to a rearview mirror lens angle adjusting device based on shape memory alloy, which comprises a lens and a rearview mirror shell, and a memory alloy wire angle adjusting mechanism is arranged in a cavity enclosed by the lens and the rearview mirror shell. The memory alloy wire angle adjusting mechanism comprises at least two memory alloy wires, one end of each memory alloy wire is connected to the lens in a dispersed mode, the other end of each memory alloy wire is connected to the rearview mirror shell in a concentrated mode, the different memory alloy wires are connected to different positions of the lens, the end of each memory alloy wire is connected with a wire clamping terminal, and the wire clamping terminal is connected to the rearview mirror shell. The wire clamping terminal is a conductive piece, the wire clamping terminal is used for guiding current input by a power supply module to the memory alloy wires, the power supply module is in signal connection with a controller, and the controller is used for controlling the power-on and power-off of the power supply module and each memory alloy wire. The device is flexible and accurate in angle adjustment and light in weight.

The utility model relates to the technical field of vertical honing equipment, and provides workpiece outer surface vertical honing machining equipment which comprises a base, the top of the base is fixedly connected with a machine body, the top of the machine body is fixedly connected with an air cylinder, and the output end of the air cylinder is fixedly connected with a honing equipment body. A supporting plate is fixedly connected to the surface of the machine body, feeding mechanisms are arranged at the top and the bottom of the supporting plate, each feeding mechanism comprises a transmission assembly and a discharging assembly, each transmission assembly comprises a motor, a feeding disc and a containing groove, and each motor is fixedly connected to the bottom of the supporting plate. When a workpiece falls off, the workpiece can make contact with the rubber plate and apply downward thrust to the rubber plate, at the moment, the rubber plate can reduce the shaking amplitude under the action of the spring damper, so that the situation that the workpiece is greatly collided with the guide plate when falling off is avoided, noise is not generated, then the workpiece falls off along the guide plate, and the purpose of automatic discharging is achieved.

The utility model relates to the field of wind power generation, and discloses a windmill blade structure of a vertical-axis wind driven generator, which comprises a windmill blade frame, a frame diagonal brace, a blade horizontal bar grating, blade fiber cloth and a frame connecting end, the frame diagonal braces are linearly connected with the opposite oblique angles of the windmill blade frame, the blade horizontal bar grids are linearly connected with the opposite sides of the windmill blade frame, the blade fiber cloth is installed on the inner side of the windmill blade frame, and the frame connecting ends are installed at the top and the bottom of the windmill blade frame. And the blade horizontal bar grids are positioned between the frame diagonal draw bars and the blade fiber cloth. The windmill blade structure has the following advantages and effects that the windmill blade structure of the wind driven generator can increase the working wind resistance of the vertical-axis wind driven generator and enlarge the working wind resistance difference, plays an important role in improving the wind energy utilization rate, reducing noise and the like, and further enlarge the single body scale of the vertical-axis wind driven generator.

The present invention discloses an electromagnetic heater power supply with over-voltage and under-voltage protection functions, including a circuit, wherein the circuit is electrically connected to an over-voltage and under-voltage protection circuit. The circuit is electrically connected to a circuit board. The over-voltage and under-voltage protection circuit is electrically connected to an over-voltage and under-voltage protection circuit board. The over-voltage and under-voltage protection circuit board has an over-voltage and under-voltage protection circuit board. Alternatively, the over-voltage and under-voltage protection circuit board has two sub-over-voltage and under-voltage protection circuit boards. One of the over-voltage and under-voltage protection circuit boards has an over-voltage and under-voltage protection circuit. Alternatively, one of the over-voltage and under-voltage protection circuit boards has two sub-over-voltage and under-voltage protection circuits. Both of the sub-over-voltage and under-voltage protection circuit boards have sub-over-voltage and under-voltage protection circuits. When the power supply voltage of the electromagnetic heater power supply with over-voltage and under-voltage protection functions is too high or too low, the power supply can be quickly cut off to prevent the insulated gate bipolar transistor (i.e., IGPT) from being burned out.