60results about How to "With automatic detection function" patented technology

The invention relates to a machine room energy-saving control system, in particular to a multi-heat dissipation device intelligent linkage machine room energy-saving control system. The machine room energy-saving control system comprises a main control module, and the main control module comprises a fan unit, a heater, a main control microprocessor and an RS232 / RS485 interface circuit, wherein the RS232 / RS485 interface circuit is connected with the main control microprocessor, and the output end of the RS232 / RS485 interface circuit is sequentially connected with a sensor module, an air-conditioning control module and a monitoring upper computer. The machine room energy-saving control system has the advantages: 1) by the start-up and the stop of the upper and the lower fan units and linear speed regulation, the intelligent linkage of fans with the heater and an air conditioner realizes the high-efficient temperature control and the energy conservation and the service life of equipment is prolonged; 2) the machine room energy-saving control system can accurately judge fault position number, type and other information; 3) the machine room energy-saving control system can carry out regular dust removal and cleaning of a heat exchanger and simulate the high and low temperature operation, and has the functions of automatic maintenance and automatic detection; 4) the machine room energy-saving control system has self-learning function and strong compatibility and can precisely control different types of air conditioners; and 5) the function modular design is conductive to the engineering configuration and maintenance.

The invention discloses an automatic online mark spraying machine for steel plates. The automatic online mark spraying machine for steel plates comprises an equipment foundation rack, a three-dimensional coordinate positioning mechanism is installed on the equipment foundation rack and provided with an alternating current servo device connected with a computer, the computer controls the alternating current servo device to achieve three-dimensional movement positioning of the three-dimensional coordinate positioning mechanism, and the three-dimensional coordinate positioning mechanism is provided with a flow restraining device. Compared with the prior art, the automatic online mark spraying machine for steel plates can solve the problems that existing mark spraying equipment is huge and large in occupied space, specific temperature requirements are provided when the surfaces of steel plates are marked, the spray printing quality is poor, the existing mark spraying equipment is incompatible with existing enterprise equipment, the cost is high as the whole set of equipment needs to be imported, a spraying mechanism is not provided with a flow restraining device, and the environment of working sites is poor.

A full-automatic medicine plate packing machine control system based on a programmable logic controller (PLC) relates to an improvement of the medicine plate packing machine control system. The medicine plate packing machine control system is complete in function and comprises an initiative dragging portion and a control portion, the initiative dragging portion adopts an alternating current variable-frequency speed regulating system and comprises a frequency changer, a motor and an encoder, and the control portion comprises the PLC, a button station and a touch screen. The PLC is provided with 26 signal input ends such as a photoelectric detection switch, an approach detection switch, a pressure detection switch, a manual control button, an automatic control button, a working mode selective switch and 20 digital output ends such as a solenoid valve and a state indicating lamp.

The invention discloses a sample injection needle with an automatic detection function. The sample injection needle comprises a sample suction device for sucking a sample, a pressure detection device for detecting change of inner pressure of the sample injection needle, a falling detection device for detecting whether a TIP head is mounted or falls off and a control circuit board for implementing pressure measurement and TIP head falling measurement. The sample injection needle with the automatic detection function, which is disclosed by the invention, can accurately implement detection of mounting and accident falling of the TIP head through a connection circuit part and can realize functions of liquid level detection, air bubble detection, liquid leakage detection, clot blocking detection and the like through an air pressure detection sensor.

The invention discloses a control method of a gas cylinder burr sleeve production line. The method comprises the following steps: loading and transferring gas cylinder burr sleeve blank to a transfertable through a first truss mechanical hand, clamping and feeding the burr sleeve into a first processing machine tool or a second processing machine tool to process through a second truss mechanicalhand, transferring a finished product burr sleeve to the transfer table from the first processing machine tool or the second processing machine tool through the second truss mechanical hand, clampingand transferring the finished product gas cylinder burr sleeve on the transfer table to a cleaning mechanism to clean while placing the gas cylinder burr sleeve through the first truss mechanical hand, detecting by a detecting mechanism, and placing the finished product gas cylinder burr sleeve into a corresponding unloading table to accomplish unloading according to detected results through the first truss mechanical hand. The control method has the beneficial effects of being high in degree of automation, good in production efficiency, good in product precision and quality, and saving manpower and material resources.

The invention discloses an electric equipment protector. The electric equipment protector comprises a first normally-closed contact which is connected with a load and an AC220V voltage and a second normally-closed contact, wherein the second normally-closed contact is connected with a 10kiloohm potentiometer; the 10kiloohm potentiometer is connected with a comparator and a mono-stable time delay controller in parallel; the comparator is connected with a normal work LED indicator lamp and a fault flicker LED alarm lamp; the mono-stable time delay controller is connected with a relay; a rectifier bridge block is connected between the 10kiloohm potentiometer and the AC220V voltage. The electric equipment protector can be directly mounted in electric sockets and switches, can be integrally manufactured during the production, and is more attractive and elegant during the mounting. The protection system of the electric equipment protector has various protection functions such as overcurrent protection and leakage protection, is convenient to mount without any other equipment, low in cost and wide in market prospect to ensure that every household can afford, and can be used for ensuring the personal safety and the safety of the electric equipment.

Provided is an automatic tester for the dielectric strength of insulating oil. The automatic tester comprises a high-voltage cabin, the high-voltage cabin comprises a high-voltage cabin body, at least two high-voltage columns are arranged in the high-voltage cabin body, an oil cup is arranged between each two high-voltage columns, two shaft rods are connected on a cup wall of the oil cup, the shaft rods penetrate through the cup wall of the oil cup, one ends of the shaft rods are arranged in the oil cup, the other ends of the shaft rods are arranged at the external part of the oil cup, the oil cup is supported between the two high-voltage columns via the shaft rods positioned at the external part of the oil cup, one end of each shaft rod, positioned in the oil cup, is connected with an electrode, and a gap is arranged between two electrodes. By adopting the above scheme, the function of automatic detection is provided, the tester automatically enters a reset state and performs zero returning of a voltage regulator, the function of automatic printing and output is provided, test parameters can be changed according to the requirement of users, the operation is flexible, non-uniformity of oil samples can be eliminated, and the test accuracy of bubbles can be improved.

The invention discloses automatic glue dispensing and mounting equipment for FAs. The equipment comprises a base; a gantry X shaft is arranged on the top surface of the base; a mounting X shaft is arranged at the position, located on the top surface of the base, below the gantry X shaft; a mounting Y shaft is vertically arranged below the mounting X shaft; an angle table is arranged above the mounting X shaft; an FA clamp is arranged above the angle table; a UV lamp cap is arranged on one side of the FA clamp; and a mounting head is connected to the gantry X shaft in a rotating mode. The automatic glue dispensing and mounting equipment for the FAs has the automatic lighting and automatic glue dispensing functions and the automatic positioning and automatic detecting functions, a 5 mega-pixel camera is arranged, the precision is of 0.7 UM, the repeated positioning precision of a large long axis sliding table module is plus or minus 3 UM, the repeated positioning precision of a high-precision sliding table at the bottom is plus or minus 0.5 UM, different jigs can be used according to different angles, mounting of the four paths of FAs can be carried out according to the production needs, in addition, the operation is simple and convenient, and the use is convenient.

The invention discloses an intelligent design system and method for coal mine underground gas prevention and control drilling. The intelligent design system comprises a data import module, a parameter setting module, a data storage module, a drilling control module, a positioning navigation module, an autonomous walking obstacle avoidance module, a signal acquisition module and a man-machine interaction module. The data import module, the parameter setting module and the data storage module are all connected with intelligent terminal equipment; the drilling control module, the positioning navigation module, the autonomous walking obstacle avoidance module and the signal acquisition module are all connected with the intelligent terminal equipment and the man-machine interaction module; and the man-machine interaction module is further connected with a drilling robot, so that automatic drilling, automatic posture adjustment, automatic drill jamming prevention, automatic drill rod loading and unloading, remote drilling, positioning and remote control operation can be achieved, and automation of a whole drilling work cycle can be achieved. The intelligent design system for coal mine underground gas prevention and control drilling further has a drilling parameter automatic detection function, drilling parameters are automatically adjusted according to stratum information, a drilling construction state is remotely detected, and the drilling construction robot is remotely controlled to act.

The invention relates to the technical field of circuit breakers, in particular to a static contact conveying device of intelligent circuit breaker contact assembly assembling equipment. The device comprises the assembling equipment, a plurality of static contacts, a processing controller and a plurality of electromagnetic valves; the assembling equipment comprises an assembling platen; the processing controller needs to be externally connected with a power supply through a wire; the electromagnetic valves need to be externally connected with compressed air through air pipes and need to be electrically connected with the processing controller through wires; each static contact comprises a groove; a shaft hole is formed in one side of the assembling platen; and a rotating shaft is rotationally connected with the inner side of the shaft hole. According to the static contact conveying device of the intelligent circuit breaker contact assembly assembling equipment, by arranging the rotating shaft, a rotating disc, a charging barrel, a driving shaft, a driving disc, a lifting plate, a lifting air cylinder, a material clamping plate A, a material clamping plate B, an L-shaped sliding frame, a detection plate, a T-shaped guide frame, a tension spring, a jacking air cylinder, a touch switch, an in-groove detection column, a L-shaped discharging frame and a discharging air cylinder, the device has the functions of one-by-one feeding, automatic conveying, automatic reversing and aligning detection, automatic discharging and the like.

The invention discloses a method and device for simulating generation of an S-mode baseband signal, relates to the technical field of air traffic control monitoring, and aims to solve the problem thatan S-mode responder cannot effectively practically verify the S-mode signal during factory testing and outfield testing. The method comprises the steps that multiple pieces of simulated ADS-B messagedata are input in advance; an FPGA receives and analyzes the simulated ADS-B message data and then carries out baseband pulse information coding, and a simulated S-mode baseband signal is generated,wherein the FPGA controls baseband interchannel time delay during baseband coding; the simulated S-mode baseband signal and the running state of the device are detected. The device can simulate an avionic device to send out the S-mode baseband signal, and it is convenient for the S-mode responder to practically verify the S-mode signal during factory testing or outfield testing.

The invention discloses a distance testing system for a wireless router. The system comprises a wireless device consisting of a wireless connection module and a positioning module, and a wireless router, wherein the wireless router comprises an WIFI transmission module for sending wireless network, a wireless receiving module for connecting a request signal and building a wireless link, a connecting searching module for searching the state of the built wireless link, a control module, a location acquiring module for detecting the coordinate location of the wireless router, a signal strength detecting module for measuring a signal of the built wireless link to obtain the wireless link signal strength value, and a reporting module, wherein the control module is used for comparing the coordinates and determine the distance value; the reporting module is used for reporting the signal strength value and the distance value. The system can be used for positioning and acquiring the signal strength value on real time.

Provided are a portable water purifier with the raw water filtration function and a manufacturing method. The portable water purifier further comprises an ultrafiltration membrane filtration device, a multi-function composite filter container is arranged in a container, laser hole filter pieces and a KDF55 filter material filter layer are arranged in the filter container, a PP fiber cotton filter drum is arranged above the filter container, a circular gripper tube is arranged on the left side of the filter drum, a spring gripper tube is arranged on the right side of the filter drum, and spiral clamping buckles are arranged on a sealed cap; an activated carbon filter drum is arranged above the PP fiber cotton filter drum, a circular gripper tube is arranged on the left side of the filter drum, a spring gripper tube is arranged on the right side of the filter drum, and spiral clamping buckles are arranged on a sealed cap; an ultrafiltration membrane shell is arranged above the activated carbon filter drum, a valve seat is arranged on the right side of the membrane shell, a bolt is arranged on the valve seat, a nut connected with the valve seat is arranged at the right end of the membrane shell, a water inlet is formed in the left side of the lower portion of the container, and a water outlet is formed in the upper portion of the container; a water outlet of a multi-medium filtration device is communicated with the water inlet of the ultrafiltration membrane filtration device. The portable water purifier with the raw water filtration function is economical and practical.

The invention relates to a punching outer ring bearing pin installation and flexibility detection machine which comprises an electric box control device, a rack, a punching outer ring stock bin, a retainer stock bin, a manipulator assembly, a retainer punching outer ring sleeving part, a carrying manipulator, a pin installation part, a pin missing detection part, a flexibility detection part, an NG discharging part and a discharging part, the punching outer ring bearing needle installation and flexibility detection machine is high in automation degree, high in fitting and measuring efficiency and high in precision.

The invention provides an intelligent integrated distillation apparatus, and mainly solves the problems of complicated structure, large occupied space and the like of a device for distillation experiments. The intelligent integrated distillation apparatus comprises a distillation flask, a condensing bulb, a reflux bottle and an electrical heating jacket, wherein the condensing bulb comprises a bulb body and a condensation pipe positioned in the bulb body; and the intelligent integrated distillation apparatus is characterized by also comprising a shell; the electrical heating jacket is arranged in the shell and a fire hole is arranged on the top of the shell corresponding to the electrical heating jacket; the distillation flask is arranged in the fire hole; the bulb body of the condensing bulb is clamped by a clamp which is fixedly connected with the shell through a support; the bulb body of the condensing bulb is provided with a water inlet and a water outlet; the inside of the shell is provided with a cold water tank; the upper end and the lower end of the condensation pipe are a steam inlet and a liquid outlet respectively, the steam inlet is in sealed communication with the distillation flask, and the liquid outlet is in sealed communication with the reflux bottle; the inside of the shell is provided with a main control circuit which is electrically connected with the electrical heating jacket; and the shell is provided with a control button connected with the main control circuit. The intelligent integrated distillation apparatus is integrated with a device for distillation into a whole, has small occupied space and convenient operation, and can realize intelligent control.

The invention discloses a buffering and transferring device for machine tool assembly line machining of spindle parts. The buffering and transferring device comprises a bottom plate, a guide rail, rollers, roller shafts, bearings, bearing end covers, a motor support, a servo motor, a coupler, a lead screw, a mounted bearing, a bearing seat support, a nut seat, a movable support, an air cylinder, a guide rod, a bracket, a robot, a magnetic type part taking device, a binocular camera, a binocular camera support, a part base plate, a temporary storage frame and a positioning pin. According to the buffering and transferring device, automatic feeding and discharging of spindle part assembly line machining are achieved, manual carrying is avoided, automatic workpiece state detection and automatic size detection are achieved, automatic feeding, discharging and storage are achieved, the requirement for simultaneous machining of multiple machine tools can be met, transferring, feeding and discharging of materials among the multiple machine tools are achieved, technical support is provided for an unmanned intelligent production line, the intelligent level of a workshop is improved, and technical support is provided for realizing a digital workshop.

The invention discloses a viscous fluid damper with self-testing performance. The viscous fluid damper with the self-testing performance is characterized in that the viscous fluid damper comprises a guide rod and a cylinder; the right end of the guide rod successively passes through a force sensor, a transmission rod and a stepper motor to be fixedly connected with a second connecting earring; thestepper motor is internally integrated with a performance self-testing system; a through hole communicated with a baffle hole is opened on the side wall of the cylinder; the through hole and the baffle hole are internally provided with a baffle capable of sliding; the outer end of the baffle is fixed with a flanged connector that can be adsorbed by a magnet; a reset spring is arranged between theflanged connector and the cylinder; an electromagnet that absorbs the flanged connector and pulls the baffle to move outward when electrified is fixed on a protective cover; a displacement sensor isdisposed between the protective cover and a cover plate. The viscous fluid damper with the self-testing performance has the advantages of ensuring that the viscous fluid damper can effectively reducevibration of building structures during an earthquake and guaranteeing the safety of the building structures with relative movement occurring between the guide rod and the cylinder by the stepper motor and with the performance self-testing system conducting automatic detection of energy consumption performance of the viscous fluid damper.

The invention belongs to the technical field of operation monitoring of nuclear power plants, and particularly relates to an overhauling tool of a Hall-type reversing switch instrument. The overhauling tool is designed in an integrated manner, and comprises a magnetic pole detection sensing device, a control panel, a speed regulating motor, magnetic steel, a reverse switch, a relay and an output indication; the control panel comprises a rotating speed controller, an automatic controller, an adjustable power supply and a manual controller; in the control panel, the automatic controller can control the speed regulating motor by controlling the rotating speed controller, and can control the reversing switch by controlling the adjustable power supply; and the manual controller can control therotating speed controller by controlling the rotating speed controller, and can control the reversing switch by controlling the adjustable power supply. The magnetic pole detection sensing device integrated in in the tool can perform magnetic pole identification, verification and polarity judgment on the magnetic steel of the instrument, so as to judge the magnetic properties and polarity of the magnetic steel of the instrument, quickly locate the installation direction of the magnetic steel, and to prevent the wrong installation direction of the magnetic steel onsite from leading to abnormalworking of the instrument.

The invention belongs to the field of wireless power supply, and particularly relates to a multi-load self-detection three-dimensional wireless power supply system and method. The multi-load self-detection three-dimensional wireless power supply system comprises a transmitting device located in a three-dimensional space and a receiving device located on loads, wherein the transmitting device comprises a signal processor, an information receiving / transmitting terminal, DC / AC, a PFC and a resonant transmitting terminal; the information receiving / transmitting terminal and the DC / AC carry out data exchange with the signal processor separately; the PFC and the resonant transmitting terminal are connected with the DC / AC separately; the receiving device comprises a charging mode providing processor, a resonant receiving terminal, an information transmitting / receiving terminal and AC / DC connected with the resonant receiving terminal; the resonant receiving terminal and the information transmitting / receiving terminal are connected with the charging mode providing processor separately; the resonant transmitting terminal communicates with the resonant receiving terminal through a resonant frequency; and data interaction is carried out between the information receiving / transmitting terminal and the information transmitting / receiving terminal. The connection state of the loads in the three-dimensional space is automatically detected, the loads are automatically matched and the frequency of the transmitting terminal is automatically adjusted, so that power transmission in the three-dimensional space is achieved.

The invention belongs to the field of electronic products, in particular relates to an earphone with an automatic sensing function. The earphone comprises an earphone plug, a sensing unit, a first switching unit, a second switching unit, a microphone unit, a control unit and an earphone unit, wherein the earphone plug is connected with a jack and is used for receiving a direct-current power supply signal, a grounding signal and an alternating-current sound signal; the sensing unit is respectively connected with the earphone plug, the first switching unit, the second switching unit and the microphone unit; and the control unit is respectively connected with a first switching unit, the second switching unit and the earphone unit and is used for controlling the first switching unit and the second switching unit to be in a conducting state or a stopping state; and the earphone unit is connected with the control unit through an earphone plug and is used for receiving the alternating-current sound signal and the grounding signal from the control unit. The earphone with the automatic sensing function, disclosed by the invention, is not limited by signal configuration of an earphone socket and is universally applied to various electronic devices.

A water purifier with a digital display function and a manufacturing method thereof, and also has an ultrafiltration membrane filtration device: the container is provided with a multifunctional composite filter gall, and the filter gall is provided with a laser hole filter sheet and a filter layer of KDF55 filter material. The upper part of the filter is equipped with a PP fiber cotton filter cartridge, the left side of the filter cartridge is provided with a circular card tube, the right side is provided with a spring card tube, the sealing cover is provided with a screw buckle, and the upper part of the PP fiber cotton filter cartridge is provided with an activated carbon filter cartridge , the left side of the filter cartridge is provided with a circular card tube, the right side is provided with a spring card tube, the sealing cover is provided with a screw buckle, the upper part of the activated carbon filter cartridge is provided with an ultrafiltration membrane shell, and the right side of the membrane shell is provided with a valve seat, The valve seat is provided with bolts, the right end of the membrane shell is provided with a nut that is screwed to the valve seat, the left side of the lower part of the container is provided with a water inlet, and the upper part of the container is provided with a water outlet; The water inlet of the device is connected; it is economical and practical.

The invention discloses an external fire extinguishing device and fire extinguishing method. The external fire extinguishing device comprises a manipulator, a plurality of monitors and a plurality offire extinguishing device units, wherein the manipulator and the fire extinguishing device units are mounted at vehicle inflammable points; and the manipulator is connected with the monitors and the fire extinguishing device units, and is used for controlling the fire extinguishing device units to extinguish fire points according to a detected fire condition. According to the external fire extinguishing device and the external fire extinguishing method, a fire extinguisher is manually controlled to start a fire extinguishing function, the distributed fire extinguishing device units are mountedat the vehicle inflammable points, the fire condition is monitored through a monitoring device, vehicle fire positions are accurately judged, and the fire points are accurately extinguished; and theexternal fire extinguishing device further has the function of automatic detection and the function of judging whether a cable connected with a fire suppression bottle has open circuit and short circuit problems or not, vehicle fire extinguishing time is greatly shortened, the functions of acquiring the working state of the external fire extinguishing device in real time and achieving fault judgment and material state feedback are achieved, reliability is high, and serialization, modularization and universalization of the external fire extinguishing device are truly achieved.

The invention particularly discloses an automatic nano material filtering machine and a use method thereof. The automatic nano material filtering machine comprises a funnel, wherein two sides of the funnel are connected with symmetric lifting devices through funnel support shafts, an ultrasonic cleaning machine is arranged below the funnel, and the bottom of the funnel is connected with a vacuum pump. The automatic nano material filtering machine also comprises a cleaning solution pump, wherein the cleaning solution pump is connected with a cleaning solution barrel through a flexible pipe, the cleaning solution barrel is connected with a nozzle device, and the ultrasonic cleaning machine, the cleaning solution pump and the vacuum pump are connected with a control host through a control circuit board. According to the automatic nano material filtering device, the automatic control of the whole filtering process can be realized, and thus errors possibly caused by the manual operation are greatly reduced, and the production safety is improved; according to the automatic nano material filtering device, the large-capacity material filtration can be realized, the filtering time is short and the production efficiency is high; and by adopting the cleaning solution flow control and the rapid nozzle movement, a filter net can be efficiently cleaned, the consumption of the cleaning solution can be reduced, and the production cost is saved.

A method for making a whole house KDF55 ultrafiltration membrane water purifier, which also has an internal pressure ultrafiltration membrane filtration device: the left side of the upper valve seat is provided with a water inlet, the right side is opened with a water outlet, and the upper valve of the airtight container is The seat is provided with a spiral outer wire port connected to the cylinder body, and the upper port of the cylinder body is provided with a spiral inner wire port connected with the upper valve seat and a first silicone sealing ring. The lower part of the body is provided with a lower circular card tube, the upper part of the cylinder is provided with a built-in water purification shell, and the upper end of the diversion pipe in the water purification shell is provided with a second silica gel sealing ring, and the internal pressure ultrafiltration membrane filter element is set In the middle and lower part of the cylinder, the internal pressure ultrafiltration membrane filter element, and the water purification shell on the upper part of the cylinder are equipped with a silicon crystal antibacterial and scale-inhibiting layer, a PP fiber cotton filter, a KDF55 filter layer, and a laser hole filter; The water outlet of the pre-filter device communicates with the water inlet of the internal pressure ultrafiltration membrane filter device; it is economical and practical.

The invention discloses an intelligent bus station based on pressure detection. The intelligent bus station includes a station body, and also includes a detection mechanism that includes a power supply, N pressure sensors, a signal collector, a controller and a wireless transmitter, wherein N is a natural number more than 1; the base plate of the station body is divided into N areas, and one pressure sensor is arranged in each area; the N pressure sensor constitutes a pressure sensing array and is connected to the signal collector; the signal collector is sequentially connected to the controller and the wireless transmitter; the stress of each area is sensed by the pressure sensor, and signals are input into the controller after being collected by the signal collector; the controller generates an image about stress distribution situation of the pressure sensing array and obtains the coverage density value of the image; the wireless transmitter sends the obtained coverage density value of the image to an external server. The intelligent bus station based on pressure detection can detect accurately and sensitively, has the functions of automatic detecting and transmitting, and is intelligent.

The invention discloses a drainer overturning control system based on gravity detection, which comprises a power module, a gravity detection module, a conversion module, a control module and a motor module, wherein the gravity detection module is used for detecting the weight of water in a basin to form an analog signal which is input to the conversion module; the conversion module is used for converting the input analog signal into a digital signal; the control module comprises a computing unit, a comparing unit and an executing unit; the computing unit is used for receiving the digital signal to compute a detected weight value; the comparing unit is used for presetting the weight value of water in the basin and conducting comparison; when the detected weight value is greater than or equal to the preset weight value, the executing unit generates and outputs a driving signal; the rotating shaft of the motor module is fixedly connected with a drainer through a connecting piece; and the rotating shaft drives the drainer to overturn, and forms a sewer between the drainer and a drain outlet or completely close the drainer. The drainer overturning control system based on gravity detection has the functions of automatic detection and automatic control, and can be conveniently used in the draining process of the basin.

The embodiment of the invention discloses a mini electric ear cleaner which comprises an ear cleaning handle and an ear cleaning head positioned at the front end of the ear cleaning handle, wherein the ear cleaning handle comprises a shell and a control module positioned in the shell; the control module comprises a CPU, a switch, a booster circuit, a first filter circuit, a second filter circuit, a drive circuit, a motor and a battery; the battery, the first filter circuit, the booster circuit, the CPU, the drive circuit, the second filter circuit and the motor are electrically connected in sequence; the switch is electrically connected with the CPU; and the first filter circuit is branched and electrically connected with the drive circuit. By adopting the mini electric ear cleaner disclosed by the invention, the ear cleaning of people is safer and more comfortable and hygienic, and great comfort is brought.

A portable water purifier having a contamination discharging function and a manufacturing method. The portable water purifier is provided with an ultrafiltration membrane filtering apparatus. A multifunctional composite filter liner is arranged in a container. A laser hole filtering sheet and a KDF55 filtering material layer are disposed in the filter liner. A PP cellucotton filtering cylinder is arranged on an upper part of the filter liner. A circular clamp tube is disposed at a left side of the filtering cylinder and a spring clamp tube is disposed at a right side of the filtering cylinder. A spiral clamp buckle is arranged on a sealing cover. An activated carbon filtering cylinder is arranged on the upper part of the PP cellucotton filtering cylinder. A circular clamp tube is disposed at a left side of the filtering cylinder and a spring clamp tube is disposed at a right side of the filtering cylinder. The spiral clamp buckle is disposed on the sealing cover. An ultrafiltration membrane shell is disposed on the upper parts of the activated carbon filtering cylinder. A valve seat is arranged at the right side of the membrane shell. A bolt is disposed on the valve seat. A nut rotatably connected to the valve seat is disposed on a right end of the ultrafiltration membrane shell. A water inlet is disposed at the left side of the lower part of the container and a water outlet is disposed on the upper part of the container. The water inlet of a multi-medium filtering apparatus is communicated with the water inlet of the ultrafiltration membrane filtering apparatus. The portable water purifier is economic and practical.

The invention relates to a high precision point load tester with an automatic detection function. The high precision point load tester comprises a support mechanism, a force measuring mechanism, a driving mechanism and a loading mechanism, wherein the force measuring mechanism comprises a jack, a pushing block, a pressure sensor and a programmable logic controller (PLC); the driving mechanism comprises a motor, a half gear, a driving frame, a strip gear and a drive block; a measuring assembly comprises a connecting block, a limit lever, a lifting block, a bolt, a spacing ring, a spring, an upper contact block, a lower contact block and an extrusion block. The high precision point load tester with the automatic detection function is ingenious in design and high in feasibility; when the high precision point load tester needs to be used for measuring, the jack is driven to automatically push the pushing block up by the driving mechanism, so that a point load can be tested; the depth, at which a loading head enters a rock, can be detected by the measuring assembly, so that the high precision point load tester can detect point load indexes at different depths, and the point load indexes of rocks can be further accurately and comprehensively tested.