35results about How to "Avoid mutual influence" patented technology

The embodiment of the utility model provides a probe assembly, a body temperature detector and a body temperature detection system. The probe assembly is applied to the body temperature detector, and the probe assembly comprises a first sensor used for detecting the first temperature of a detected object; a second sensor for measuring a second temperature around the probe assembly; and a thermal insulation element located between the first sensor and the second sensor. The first sensor and the second sensor are used for being communicated with a host in the body temperature detector through electric signals, the host determines the heat insulation coefficient of the heat insulation element according to the temperature difference between the first temperature and the second temperature, and the first temperature is corrected based on the heat insulation coefficient to obtain a body temperature measurement value. According to the scheme, the influence of the surrounding environment temperature on the body temperature can be avoided to the maximum extent, and the accuracy of the body temperature measurement value is high.

The invention provides a task synchronization method and device, equipment and a storage medium, relates to the technical field of information security, in particular to network information security and digital information security, is applied to a password service system, and is used for avoiding mutual influence during multi-object concurrent operation in a scene that multiple password devices provide services externally in a resource pool manner, so that the security of the password devices is improved. And synchronization efficiency is improved. In the application, when a main password device in a password device cluster is called to execute a write operation task submitted by a target object, a synchronization task related to the write operation task is added in a synchronization task table; obtaining at least one target synchronization task associated with the main password device from a synchronization task table; the synchronization state of the target synchronization task represents that synchronization is not successful currently; calling target equipment in the password equipment cluster, and executing task synchronization for at least one target synchronization task; the target device is at least one of a master password device and a slave password device in the password device cluster.

The utility model relates to the technical field of seawater desalination, and discloses an offshore converter station water circulation system which comprises a seawater lift pump, a main filter, a first primary heat exchanger and a seawater desalination system, a water suction port of the seawater lift pump is located below the sea level, and a water outlet of the seawater lift pump is connected with an inlet of the main filter; an outlet of the main filter is connected with a first input end of the first primary heat exchanger and a first inlet of the seawater desalination system; a second output end and a second input end of the first primary heat exchanger are connected with a heat exchange port of the heating and ventilation system through a cooling pipeline; a condensate water outlet of the heating and ventilation system is connected with a second inlet of the seawater desalination system through a condensation pipeline. According to the seawater desalination system disclosed by the utility model, the condensed water generated by the heating and ventilation system can be collected and desalinated to output fresh water, so that the conditions of precipitation and corrosion of silt and minerals in the seawater desalination system are reduced, and the service life of a water circulation system is prolonged.

The invention discloses a medical equipment circuit board quality inspection testing device, and belongs to the technical field of circuit board detection, the medical equipment circuit board quality inspection testing device comprises a detection seat and a detection sealing cover used for detecting a hearing aid device, the hearing aid device is internally provided with a sound reception unit and a sound amplification unit, and the top end of the detection seat is fixedly connected with a convex extension top seat through two supporting rods. Through the arrangement of the negative pressure air pump and the atomization assembly, a plurality of atomization nozzles can be utilized to simulate a humid environment for daily use of the hearing aid device, and external humid air can rapidly permeate and diffuse into the hearing aid device, so that a state that a circuit board is affected with damp after long-term use is realized in a short time; dynamic real-time detection can be conveniently carried out in the process that the circuit board is gradually affected with damp, meanwhile, an electromagnetic moving ring and a sealing assembly are arranged, an independent sealed space can be formed by means of gathering change of a plurality of spherical covers, mutual influence in the short-distance detection process is avoided, and according to contrast change of receiving and transmission of different sounds, the detection accuracy is improved. And detecting whether the noise reduction function of the hearing aid device is damaged or not.

The invention relates to the technical field of digital LEDs, in particular to a high-voltage digital LED with a built-in IC. A containing groove is formed in the support, a circuit board is arranged on the groove wall of the bottom of the containing groove, a control IC and three or more LED chips with the working voltage larger than or equal to 6 V are installed on the circuit board, the control IC is electrically connected with the LED chips, a plurality of baffles are arranged in the containing groove to separate the adjacent LED chips, powder dispensing grooves are formed between the adjacent baffles, and the LED chips emit light in different colors through powder dispensing. One electrode of the circuit board is connected with the anodes of all the LEDs; and all the LED chips adopt a blue light LED chip and fluorescent powder coating technology to realize target color light and at least have red, green and blue light output capabilities. Through reasonable structural design and chip technology, stable electric connection is realized, different colored light output requirements are met, and the control IC can drive the LED chips to be mixed to realize change of any color.

The utility model discloses a controller, which comprises a shell, a light guide concave part is formed on the front surface of the shell, a plurality of cylinder parts are formed on the inner side wall, corresponding to the light guide concave part, of the front surface, and the cylinder parts are communicated with the light guide concave part; the main control board is arranged in the shell, and the main control board is provided with a plurality of indicating lamps used for giving out indications; the light guide assembly comprises a plurality of light guide columns, and when the light guide assembly is installed on the light guide concave part, all the light guide columns penetrate through all the cylinder parts to stretch out and directly face all the indicating lamps; the decorative plate is detachably installed on the front face of the shell and abuts against the light guide assembly in a pressing mode, a plurality of display areas are formed on the decorative plate, and the free end, away from the corresponding indicator lamp, of one light guide column extends into one display area and is used for guiding light emitted by the corresponding indicator lamp to the display area. According to the utility model, the aim of meeting different indication requirements can be fulfilled by only replacing the decorative plate without changing the structure of the shell.

The invention relates to the technical field of semiconductor wafer cleaning, in particular to a semiconductor wafer cleaning device which comprises an ultrasonic cleaning machine, a retention support installed on the side face of the ultrasonic cleaning machine, a transmission mechanism horizontally installed on the retention support and a bottom face flat plate obliquely arranged on the retention support. The ultrasonic cleaning device comprises a bottom surface flat plate, a baffle hinged to the lower end of the bottom surface flat plate, a plurality of smooth strips connected to the upper end of the bottom surface flat plate at equal intervals, a linear moving mechanism arranged behind the ultrasonic cleaning machine, a plurality of supporting columns installed on the linear moving mechanism in an array mode, and clamping and brushing cleaning parts installed on the supporting columns. According to the semiconductor wafer cleaning device, mutual influence among semiconductor wafers under the condition of batch cleaning can be prevented, interference of foreign objects on the semiconductor wafers with small sizes during cleaning can be completely eradicated, and the cleaning efficiency and the cleaning effect are powerfully guaranteed.

The invention discloses sample detection equipment. A sample box module comprises a sample detection box in which a plurality of reaction tubes are placed; the pushing module is used for driving the sample detection box to do linear motion, so that the sample detection box moves from the loading position to the detection position; the extraction module is mounted on the pushing module and is used for transferring a sample and a reagent into the reaction tube for uniform mixing; the detection module is mounted at the end part of the pushing module and is located at the detection position; the detection module is used for performing amplification and optical detection analysis on a sample in the reaction tube; the ultrasonic magnetic suction module is used for performing ultrasonic treatment on the liquid in the reaction tube. The method comprises the following steps: splitting and purifying a to-be-detected target sample through an extraction module to obtain sample nucleic acid; the detection module carries out same or different nucleic acid amplification detection on each reaction tube, optical detection is matched, mutual influence of different reaction tubes in the nucleic acid amplification detection process is avoided, multiple target objects are detected at a time, and the detection efficiency is improved.

The invention provides a double-arm grabbing mechanism with a fixed-length locking function, and belongs to the field of mechanical design. Comprising a hollow piston rod hydraulic cylinder, a connecting oil way, a right arm movable pulley trolley, a single-action hydraulic cylinder, a chain pulley transmission mechanism, a left arm movable pulley trolley, a two-way single-rod hydraulic cylinder set, a guide device, a fixed-length rod, a left grabbing mechanical arm, a right grabbing mechanical arm and a machine body shell. A hollow piston rod hydraulic cylinder, a connecting oil way, a right arm movable pulley trolley, a single-action hydraulic cylinder, a chain pulley transmission mechanism, a left arm movable pulley trolley, a two-way single-rod hydraulic cylinder set, a guide device and a fixed-length rod are arranged in the machine body shell, and the upper portion of the left grabbing mechanical arm and the upper portion of the right grabbing mechanical arm are arranged in the machine body shell. The lower portions of the left grabbing mechanical arm and the right grabbing mechanical arm extend out of the machine body shell. By means of the fixed-length rod mechanical locking mechanism and principle, the fixed-length locking function of double-arm grabbing is achieved, and the reliability and safety of equipment are improved.

The present invention relates to the technical field of stainless steel heat exchanger processing, specifically a pressure test device for stainless steel heat exchange tubes, including a conveying mechanism, a lifting mechanism and a sorting slot, a fixed block on the sorting slot, a transmission shaft in the fixed block, a pressure test frame on the transmission shaft, the pressure test frame including a hexagonal rotating plate, a cross bar and a pull rod, and an electric telescopic rod, an electromagnetic adsorption plate and a sealing rubber pad on the transmission shaft. The present invention lifts a single heat exchange tube to the top of the pressure test frame through a lifting mechanism, and slides it between two cross bars, the electromagnetic adsorption plate adsorbs the heat exchange tube, and then the two ends of the heat exchange tube are blocked by the electric telescopic rod and the sealing rubber pad, and the inflation pressure test is performed, and the unqualified heat exchange tube will fall into the sorting slot through the rotation of the transmission shaft, and vice versa, it will be sent to the discharge guide rail through the action of the electromagnetic adsorption plate. The single pressure test method does not require the step-by-step feeding of the feeding mechanism, which can prevent missed inspections on the one hand, and reduce the difficulty of operating the pressure test equipment on the other hand.

The utility model discloses a conveying device for carton processing, which comprises a base, a conveying belt is arranged between two side walls in the base, two side walls of the conveying belt are respectively provided with an electric control sliding rail, a flattening component is arranged between the two electric control sliding rails, a U-shaped frame is arranged at the top of the base, and the U-shaped frame is connected with the conveying belt. A baffle and a rotating shaft are arranged between the two side walls in the U-shaped frame, the rotating shaft is arranged on the upper side of the baffle, a plurality of cams are arranged on the rotating shaft, the cams can be controlled to rotate through a motor, then the baffles are controlled to ascend and descend, two paper boards which are close to each other during machining are separated through the baffles, and therefore the paper boards can be machined conveniently. And the paper boards are prevented from influencing each other during processing, the operation is simple and convenient, an operator does not need to manually take down the paper boards close to each other from working processing equipment, and potential safety hazards are avoided.

The utility model relates to the technical field of animal medicinal material processing, in particular to an air-drying sterilization device for animal medicinal materials and powder, which comprises a box door, an observation frame is fixed inside the box door, a control switch is fixed on the outer side of an outer box, an air supply outlet is arranged on the other side of the outer box, a fan is fixed inside the air supply outlet, and the air supply outlet is communicated with the box door. An air outlet is formed in the upper side of the outer box, a fixing frame is movably connected to the interior of the outer box, a rotating support is fixedly connected to the top of the fixing frame, a rotating rod is fixed to the top of the rotating support, and a supporting rod is movably connected to the top of the rotating rod. The internal structure is simple, rapid assembly and disassembly can be achieved, a flexible adjusting structure is provided, the rotating support is fixed in the drying device, the rotating support can drive all the trays to rotate, the trays can make better contact with hot air flow, and the better drying effect is achieved.

The present invention relates to a transient electromagnetic space perspective device and method in a coal mine underground hole, which can avoid the interference of metal bodies in the mine, solve the shallow detection blind area, obtain geological information within the entire transient electromagnetic detection range, form a perspective of the entire detection area, and be used in the field of geophysical exploration technology. The device includes a transmitting device and a receiving device for receiving the signal sent by the transmitting device; the transmitting device has a cylindrical shell I, one end of the cylindrical shell I is connected to a conical cover body I, and the other end is coaxially connected to a propulsion rod I; a wheel shaft perpendicular to the axial direction of the cylindrical shell is provided in the cylindrical shell I, and a first coil is provided on the wheel shaft; the receiving device has a cylindrical shell II, one end of the cylindrical shell II is connected to a conical cover body II, and the other end is coaxially connected to a propulsion rod II; a magnetic core probe is provided in the cylindrical shell II, and the magnetic core probe is connected to a connecting piece, and the connecting piece can be installed on the propulsion rod II by rotating around the axis of the cylindrical shell II through a rotating driving mechanism.

The utility model relates to the technical field of glass substrate production, in particular to an annealing furnace internal partition adjusting device and an annealing furnace. The adjusting device comprises a plurality of pulling pieces which are arranged on the two sides of the furnace body, one ends of the pulling pieces are inserted into the furnace body and connected with the partition plate, and the other ends of the pulling pieces are arranged outside the furnace body; the multiple rotating pieces are arranged on the outer wall of the furnace body and located on the two sides of the furnace body; the adjusting plate is connected with the pulling piece and the rotating piece; and the locking piece is arranged on the pulling piece, and the locking piece is suitable for locking the pulling piece and the adjusting plate. The opening degree of the partition plate can be accurately adjusted, temperature distribution of all the areas in the furnace body can be influenced, meanwhile, the effect of stabilizing pressure balance in the furnace body can be achieved, mutual influence of temperature fields among all the areas is avoided, and a proper temperature gradient and an ideal pressure difference state can be established in cooperation with power adjustment of a heater in the furnace body. The warping and stress of the glass are controlled within a standard range, and the quality of the glass can be effectively improved.

The utility model discloses a precast concrete component demolding device, which relates to the technical field of precast concrete component production and comprises a precast table, a longitudinal driving mechanism is fixedly mounted on the bottom surface of the precast table, and a transverse template component is movably mounted on the surface of the longitudinal driving mechanism. A longitudinal formwork mechanism is movably mounted on the surface of the transverse formwork assembly, and an ejection mechanism is movably mounted on the surface of the prefabricating table. According to the utility model, an existing mode of adjusting by using a handle is changed into a mode of controlling by using the longitudinal driving mechanism, the longitudinal driving motor is matched with the first screw rod to control the movement of the transverse template assembly, and the longitudinal template mechanism is in a similar way, so that the mechanical operation is effectively realized, and the demolding efficiency is improved; and the contact area of the ejection mechanism and the prefabricated part can be effectively increased, so that the demolding effect can be improved, meanwhile, the stability is improved, and the situation that the ejection mechanism deviates in the ejection or moving process due to the large gravity is prevented.

The present invention provides a photovoltaic medium-voltage DC converter grid-connected control method, wherein the photovoltaic array input voltage sampling value and the input current sampling value are used to obtain an input voltage initial instruction through a maximum power tracking controller, the module output voltage sampling value is adjusted through P to obtain a voltage-balanced instruction, the input voltage sampling value is compared with the input voltage initial instruction, a compensation voltage instruction is generated through PI adjustment, the voltage-balanced instruction is added to the input voltage initial instruction and then the compensation voltage instruction is subtracted to obtain a final input voltage instruction of the module, the final input voltage instruction is compared with the input voltage sampling value, a current instruction is generated through PI adjustment, and a duty cycle modulation instruction is generated through PI adjustment after the current instruction is compared with the output current sampling. The generated duty cycle modulation instruction and a triangular carrier with a fixed frequency are used to generate a PWM signal through a comparator to control the module switch tube to be turned on and off.

The present invention provides a semiconductor device and a method for forming the same. After two gate structures are formed in a substrate, ion implantation is performed in the substrate below a drain region using an ion implantation method to form a threshold adjustment region between the two gate structures. The threshold voltage of the transistor can be changed by adjusting the doping concentration of the threshold adjustment region without affecting the performance of the semiconductor device. Moreover, forming the threshold adjustment region only below the drain region can also avoid mutual influence between adjacent active regions.

The invention relates to the technical field of stainless steel heat exchanger processing, in particular to pressure test equipment for stainless steel heat exchanger processing, which comprises a conveying mechanism, a lifting mechanism and a sorting groove, a fixed block is arranged on the sorting groove, a transmission shaft is arranged in the fixed block, a pressure test frame is arranged on the transmission shaft, and the pressure test frame comprises a hexagonal rotating plate, a cross rod and a pull rod. An electric telescopic rod, an electromagnetic adsorption plate and a sealing rubber pad are arranged on the transmission shaft. A single heat exchange tube is lifted to the position above the pressure test frame through the lifting mechanism and slides to the position between the two transverse rods, the heat exchange tube is adsorbed through an electromagnetic adsorption plate, then the two ends of the heat exchange tube are blocked through an electric telescopic rod and a sealing rubber mat, inflation pressure test is conducted, unqualified heat exchange tubes fall into the sorting groove through rotation of a shaft rod, and the sorting efficiency is improved. And on the other hand, the pressure is conveyed to the discharging guide rail to be sent out under the action of the electromagnetic adsorption plate, stepping type feeding of the feeding mechanism is not needed by adopting a single pressure testing mode, on one hand, missing detection can be prevented, and on the other hand, the operation difficulty of the pressure testing equipment is also reduced.

The application discloses a series energy storage lithium battery pack fault diagnosis method under a charging condition, comprising the following steps: (1) real-time monitoring and collecting single cell voltages and temperatures of each cell, and uploading; (2) taking the single cell voltage of the cell as a cell feature and expanding the same; (3) expanding the cell feature, and introducing a voltage correlation coefficient between the cells as a new feature dimension; (4) calculating a correlation coefficient change rate of a current time window and a previous time window as a new feature; (5) calculating a Z-Score score of information entropy as an expanded feature; (6) determining a cell single feature vector, and obtaining a final feature matrix; (7) putting the feature matrix into an isolated forest algorithm for abnormal point identification; (8) further analyzing and screening cell data points marked as abnormal, and determining an abnormal reason and a fault type. The method does not need to model the battery, is suitable for various different types of cells, and is simple, fast and convenient.

The utility model provides a dual-mode rearview mirror and a vehicle. The dual-mode rearview mirror comprises a rearview mirror body and a reflecting mirror. The reflector covers the rearview mirror, is attached to the rearview mirror and is detachably connected with the rearview mirror. When the rearview mirror is used, the physical rearview mirror is taken down, when the reflecting mirror is used, the physical rearview mirror is connected with the rearview mirror in an attached mode, the distance between the reflecting mirror and the rearview mirror is avoided, the thickness of the dual-mode rearview mirror is reduced, attractiveness of the dual-mode rearview mirror is facilitated, the rearview mirror and the reflecting mirror are arranged in a split mode, mutual influence between the rearview mirror and the reflecting mirror can be avoided, and the appearance is attractive. The reflection efficiency of the reflector is improved, and the power consumption of the rearview mirror is reduced.

The invention discloses a device for detecting the quality of externally discharged wastewater, which relates to the field of wastewater detection and comprises a bracket, a pumping mechanism and a sampling chamber, wherein the sampling chamber has a plurality of sampling chambers and transfer chambers which are ring-shaped and alternately distributed at intervals, a driving mechanism drives the sampling chamber to rotate along its central axis, so that each sampling chamber and transfer chamber is intermittently moved to the position directly below a liquid outlet in turn, an annular connecting groove is provided at the top of the sampling chamber and close to the axis, and the annular connecting groove is connected with each sampling chamber and each transfer chamber through a plurality of straight grooves; the device for detecting the quality of externally discharged wastewater, through the sampling chamber and the transfer chamber arranged in the sampling chamber, enables the transfer chamber to temporarily store liquid during cleaning, and discharges the liquid at a side away from the sampling position, so as to avoid interference with the liquid at the sampling position, and at the same time, in order to make the sampling chamber always in a sealed environment during sampling, the stability and accuracy of the sampling process are guaranteed, and the reliability of subsequent detection results is further improved.

The invention discloses a water jet cutter path automatic planning method and system suitable for vegetable processing, and belongs to the technical field of food processing. The method comprises the following steps: firstly, carrying out image acquisition and analysis on vegetable slices, and identifying a vegetable slice area and a wood area of each vegetable slice from an image; in each vegetable slice, performing expansion treatment on the vegetable slice area and the wooden area, and subtracting the wooden area from the vegetable slice area to obtain a meat quality area; then discrete nodes are extracted from the contour line of the meat quality area, the number of the discrete nodes is reduced through fitting, and the fitted discrete nodes are recorded in a clockwise or anticlockwise sequence; and finally, generating a water jet cutter path of each vegetable slice according to the record sequence of the discrete nodes. The water jet cutter path automatic planning scheme is based on image recognition, planning time consumption is short, computing resource consumption is extremely low, and the efficient requirement of the vegetable processing industry can be met.

The utility model discloses a built-in heat dissipation type geometric projection lamp which comprises a heat dissipation shell, a light source module is installed in the heat dissipation shell, a light-transmitting cover body is further installed on the upper portion of the heat dissipation shell, heat dissipation fins are arranged on the inner wall of the heat dissipation shell, an annular gap is formed in the middle of the heat dissipation shell, and the annular gap is communicated with an inner cavity of the heat dissipation shell. A bottom cover is mounted at the bottom of the heat dissipation shell; an electric appliance shell is further arranged on the lower portion of the heat dissipation shell, a power source assembly is installed in the electric appliance shell and electrically connected with the light source module, and an electric appliance cover is installed on the lower portion of the electric appliance shell. According to the geometric projection lamp, the light source module and the power source assembly are arranged in a split mode, mutual cross influence of a light source and a heat source of a power source when the geometric projection lamp is used is avoided, on the basis, the cooling fins of the cooling shell can be arranged on the inner wall of the cooling shell, air convection cooling can be achieved only through the annular gaps, external cooling fins are not needed, and the heat dissipation efficiency is improved. And the radiating fins are prevented from influencing the attractiveness of the lamp body, so that the projection lamp can be used in an open mounting manner.

The utility model relates to the technical field of circuit boards, and provides a PCB of a Buck circuit, which comprises a first power switch, a second power switch and a driving module, the first power switch and the second power switch are arranged oppositely and adjacently, and the driving module is arranged on one side of the first power switch and one side of the second power switch. The first power switch and the second power switch are arranged adjacently; the first power switch and the second power switch are GaN power switches. According to the PCB of the Buck circuit, the size of the first power switch and the size of the second power switch are reduced, a power loop is reduced, meanwhile, the power loop and a driving loop are separated by means of the characteristics of the GaN power switch, the driving module is arranged to be close to the first power switch and the second power switch as much as possible, the driving loop is reduced, and the driving efficiency is improved. Therefore, the mutual influence of the driving loop and the power loop is avoided, the influence of parasitic parameters is reduced, and the efficiency of the PCB is improved.

The present invention discloses a pressure-resistant detection device for the production of liquid crystal display screens, which belongs to the technical field of display screen production, and includes a multi-point detection component, wherein a connecting tube is fixed at the bottom of the multi-point detection component, a lifting plug is inserted into the inner wall of the cavity of the connecting tube, and a synchronous tube is sleeved on the outer wall of the connecting tube. The present invention is provided by a combination of a stepped pipe, a trigger plate, a driven plate and a splicing groove. First, the stepped pipe can arrange the silicone tube in a ring shape outside the pressing point to reduce the influence on the pressing points next to it, thereby avoiding the mutual influence of adjacent detection points to reduce the accuracy of the detection results. Second, the silicone tube can be adsorbed on the liquid crystal screen through the negative pressure transmitted in the splicing groove to prevent the glass fragments from splashing out after the liquid crystal screen is broken, so as to improve the safety of the detection device. Third, the trigger plate and the driven plate can reduce the length of the crack extension when the pressing point is broken.

The utility model relates to the technical field of valve testing, and provides an automatic valve sealing performance testing device which comprises a box body and a testing mechanism. By arranging the compressor, the refrigerant pipe and the heating medium pipe, the compressor works to transfer heat of the refrigerant pipe and the heating medium pipe, then the refrigerant pipe cools the space on the left side of the heat insulation plate, the heating medium pipe heats the space on the right side of the heat insulation plate, and energy can be saved by working at the same time; the heat insulation door is opened when the position of the valve is switched, the heat insulation door is closed after switching, heat on the two sides in the box body can be separated through cooperation with the heat insulation plate, mutual influence is avoided, and the sliding block and the sliding rail are arranged, the sliding block moves on the sliding rail, the position of the valve is adjusted, and the testing environment is switched. The conical lower sealing seat and the conical upper sealing seat are arranged, the motor works to drive the threaded rod to rotate, the height of the movable seat is changed, and the lower sealing seat and the upper sealing seat are matched to clamp a valve.

The utility model relates to the technical field of air-drying equipment, and discloses a beef air-drying box simulating a natural environment, which comprises a box body, a display screen, an operation panel and a box door are arranged on the front side surface of the box body, an air inlet is arranged on the top surface of the box body, an exhaust port is arranged on the outer side surface of the box body, and a working cavity and an air-drying cavity are arranged in the box body. A filter is fixedly installed in the working cavity, the bottom face of the filter is fixedly connected with an air inlet pipe, a wind shield is fixedly installed at the bottom end of the air inlet pipe, a fan is fixedly installed on the bottom face of the wind shield, a circulating pipe is fixedly installed on the outer side face of the wind shield, and a heater, a guide rail and an ultraviolet lamp are fixedly installed in the air drying cavity. According to the beef air-drying device, the fan is started, the fan can suck outside air into the filter through the multiple air inlet holes, and then the filtered air can enter the air-drying cavity through the air inlet pipe, the wind shield and the like, so that beef can be effectively air-dried.

The utility model discloses an electric water heater with a partition heating structure, which comprises an electric water heater main body, three groups of water storage tanks are mounted in the electric water heater main body, two groups of heat insulation plates are mounted among the water storage tanks, and a water passing tank is mounted at the top end in the electric water heater main body. The bottom end of the interior of the electric water heater body is provided with a control panel, the bottom end of the water storage tank is fixedly connected with a drainage pipe, the interior of the water storage tank is provided with an electric heating pipe, one side of the water storage tank is provided with a temperature sensor, the top end of the electric water heater body is provided with a top cover body, and the interior of the top cover body is provided with a water conveying pipe. According to the electric water heater with the partition heating structure, water is divided into three areas, the water in the water storage tanks is heated according to different temperature requirements, the temperature of the water storage tanks can be isolated through the heat insulation plates, mutual influence among the three sets of water storage tanks is avoided, the function of partition heating is achieved through the structure, and the problem that partition heating is inconvenient is solved.

A warp knitting machine for weaving soft and stretchy fine fiber lace fabrics, comprising a frame, a warp feeding system, a yarn separation system, a yarn guide system and a comb component, wherein a yarn frame is provided on the top of the frame, and the comb component comprises a ground comb, a jacquard comb, a spandex comb and a pattern comb, and the yarn guide system corresponds to the ground comb; the warp feeding system comprises a first warp feeding system for upper fine spandex raw materials and a second warp feeding system for upper ultrafine fiber raw materials, and the warp feeding systems are placed on both sides of the frame; the yarn separation system comprises a first yarn separation system for preventing fine spandex from twisting after yarning out, a second yarn separation system for separating ground yarn and fine spandex, and a third yarn separation system for separating jacquard and fine spandex, and each yarn separation system is provided with a yarn separation buckle. The above-mentioned warp knitting machine can be used to weave soft and stretchy fine fiber lace fabrics, which are fluffy, soft, moisture-absorbing and perspiration-wicking, comfortable, and have good elasticity on all sides, and a stable structure that is not easily deformed.