1190results about How to "Meet different usage needs" patented technology

The invention provides an intelligent closestool and a smart medical treatment and health monitoring system based on the intelligent closestool. The intelligent closestool comprises a toilet bowl, a closestool lifting cover and a gasket. The gasket is provided with a plurality of sensors. The closestool is further provided with an intelligent control module and is connected with the sensors, and the intelligent control module is provided with a display module used for outputting test data of the sensors. According to the smart medical treatment and health monitoring system, a communication module is additionally arranged on the intelligent control module, and the smart medical treatment and health monitoring system is connected with a family data terminal and a medical treatment information platform through the communication module. Due to the fact that the sensors are integrated on the closestool, various heath core indexes of a human body can be detected conveniently in time when a user goes to the toilet. In addition, the data can be transmitted to the data terminal through the communication module, the user can be allowed to access the daily health condition of the user himself / herself, the data can also be used as a big data source of a public medical treatment information platform to be used for disease diagnosis and health prediction, and thus different using needs can be met.

The invention relates to a preparation method of a zinc oxide varister, comprising two independent steps: preparing zinc oxide granules with doping ion components; and preparing a sintering material for coating the zinc oxide granules. According to the performance requirement of the varister, the doping components of the zinc oxide granules, the components of the high-impedance sintering material and preparation conditions are prepared in advance; finally, the zinc oxide granules and the high-impedance sintering material are evenly mixed according to a certain proportion, and the zinc oxide varister is prepared according to the conventional technology. The zinc oxide varister prepared by the preparation method not only has voltage-sensitive performance, but also has one or more functions of heat sensitivity, capacitance, inductance, piezoelectricity or magnetic characteristic, and the like, can sinter at low temperature (lower than 900 DEG C) and can use fine silver as an inner electrode.

The invention discloses a preparation method of a flexible electrode and the flexible electrode obtained through the preparation method. The preparation method comprises the steps of a, manufacturing a carbon nano tube and an grapheme oxide into a homodisperse mixed dispersion agent; b, removing a solvent in the mixed dispersion agent, and obtaining a thin film with a three-dimensional conductive network; c, conducting in-situ polymerization on the three-dimensional conductive network with organic polymer conductive materials to obtain a three-element flexible composite film; d, conducting reduction on the grapheme oxide in the three-element flexible composite film to obtain the flexible electrode. According to the preparation method, firstly, the thin film with the three-dimensional conductive network is formed by the carbon nano tube and the grapheme oxide, and then, the in-situ polymerization is carried out on the three-dimensional network with the organic polymer conductive materials; in the three-dimensional conductive network, the carbon nano tube is inserted into the portion between grapheme sheet layers, so that the interval between the grapheme sheets and the specific surface area of the grapheme sheets are increased, the carbon nano tube also overcomes the defect generated in the oxidation process of grapheme, electronic transmission is facilitated, and the specific capacitance of the flexible electrode is improved.

The invention discloses a method of automatic set-up of mobile phone parameters. The method comprises steps as follows. A plurality of types of the set-up of mobile phone parameters are preset in a mobile phone; the mobile phone confirms which type a mobile phone user is matched with according to information provided by the mobile phone user; and the mobile phone initiates the set-up of the mobile phone parameters of a corresponding type according to confirmation results. The method enables the set-up of the mobile phone parameters to be convenient, intelligent and humanized when a plurality of users exchange or share mobile phones, and can meet different use demands of different users or one user under different circumstances.

The invention relates to the field of high polymer materials and particularly relates to a highly-abrasion-resistant anti-scratching modified PC (polycarbonate) material and a preparation method thereof. The high-abrasion-resistant anti-scratching modified PC material comprises the following raw materials in parts by weight: 65-90 parts of PC, 10-35 parts of abrasion-resistant anti-scratching auxiliary agent, 0.5-1.5 parts of coupling agent, 1-10 parts of toughening agent, 0.1-1 part of antioxidant and 0.1-1 part of lubricating agent. According to the invention, PC is used as a substrate material, and composite systems such as the abrasion-resistant anti-scratching auxiliary agent, the lubricating agent, other auxiliary agents and the like are added, so that the abrasion-resistant anti-scratching property of the material is improved; the abrasion-resistant anti-scratching modified PC material is prepared by adopting high-temperature smelting, mixing and extruding modes in a twin-screw extruder, thus the hardness and abrasion-resistant anti-scratching effect of PC are improved; and modified PC has the advantages of high rigidity, high toughness, high flowability, high heat resistance, bright surface and the like.

The invention discloses a multilayer hexagonal substrate integrated waveguide filter which is high in selectivity, low in loss and small in size. The filter comprises a first metal layer, a first dielectric substrate, a second metal layer, a second dielectric substrate and a third metal layer. The first dielectric substrate is provided with a first resonant cavity and a fourth resonant cavity, the second dielectric substrate is provided with a second resonant cavity and a third resonant cavity, and a '2'-shaped mixed coupling slot is formed in the second dielectric substrate and located between the second resonant cavity and the third resonant cavity. The filter can be added with extra transmission zeros, so that out-of-band selectivity of the filter can be improved without increasing excessive filter levels, and the positions of the transmission zeros can be flexibly controlled by means of adjusting size of electric coupling and magnetic coupling coefficients; moreover, the filter is small in size, low in loss, and suitable for popularization and application in the technical fields of microwaves and millimeter waves.

The invention discloses a high-efficiency sand screening machine for preventing blockage of a sieve plate, which comprises a base, an outer frame, an inner frame and a brush holder. In the present invention, by setting the first sieve plate and the second sieve plate, the sand can be graded and screened to meet different use requirements; the left and right reciprocating movement of the outer frame drives the inner frame to vibrate in the left and right directions, and the pulley and The use of the convex surface drives the inner frame to vibrate in the up and down direction, and the sieve plate of the inner frame vibrates in the up and down and left and right directions at the same time. The multi-directional vibration effectively improves the screening efficiency; by setting the static brush holder, it can During the movement of the sieve plate, the sand stuck in the sieve hole is efficiently cleaned to avoid sand blocking the sieve hole and ensure the normal use of the sieve plate.

The present invention relates to an embossing device, which comprises a first embossing roller and a second embossing roller, wherein the two embossing rollers are mutually cooperated, and the surface of at least one of the two embossing rollers is provided with embossing patterns. The first embossing roller further comprises a first hot air source and a first housing sleeved around the first hot air source, wherein the first hot air source has a first air outlet for outputting hot air gas to the outside. The first housing is provided with a first injection port corresponding to the first air outlet. When the first injection port rotates and reaches a position coinciding with the first air outlet, the hot air provided by the first hot air source is injected from the first ejection port to form at least a bunch of hot air jet. The present invention further relates to a process for carrying out embossing by using the embossing device, a composite non-woven fabric absorber production device comprising the embossing device, a composite non-woven fabric absorber production process and composite non-woven fabric absorber products.

The invention provides a series connection range extending type electric automobile power system. The system is characterized by comprising an engine, a first motor, a second motor, a first clutch, a second clutch, a first inverter, a second inverter and a power battery; the engine is connected with the first clutch through a first transmission shaft; the first clutch is connected with the first motor through a second transmission shaft; the first motor is connected with the second clutch through a third transmission shaft; the second clutch outputs power to front wheels of an automobile through a main speed reducer and a differential mechanism of a front axle of the automobile; the second motor outputs power to rear wheels of the automobile through a main speed reducer and a differential mechanism of a rear axle of the automobile; and the power battery is connected with the first motor through the first inverter and connected with the second motor through the second inverter.

The invention discloses a head-mounted displayer which comprises a head-mounted part and a display part. The head-mounted part comprises a U-shaped head band, two earphone units and rotation shafts located at the two ends of the U-shaped head band. The two earphone units are connected with the two ends of the U-shaped head band through the rotation shafts. The display part comprises a displayer body and two supporting legs. The displayer body is arranged at one end of each supporting leg. The head-mounted part is provided with a signal interface or a signal connector. The display part is provided with a matched signal connector or a matched signal interface. The display part is detachably connected with the head-mounted part through the matched signal connector and the signal interface. The signal connector and the signal interface are arranged on the head-mounted part and the display part respectively, so that when the signal connector is connected with the signal interface, normal use of the head-mounted displayer is guaranteed, and in case of needs, the display part can be independently detached to meet different use requirements of a user.

The invention provides an application interface displaying method and a mobile terminal. The method comprises: acquiring a touch operation that is made by a user for an ion of a first application in a resent task list; according to a pre-established correspondence between touch operations and application interface display sequences, determining a display sequence of recently opened interfaces of the first application; according to the display sequence, displaying the recently opened interfaces of the first application. The problem is solved that the existing mode of displaying interfaces in resent task list of the mobile terminal causes certain inconveniences to users.

The invention provides an air conditioner. The air conditioner comprises an air flue, an air stop switching mechanism and a first air sweeping blade, wherein the same one air outlet of the air flue is divided into at least two sub air outlets; included angles are respectively formed between air supply directions of all the sub air outlets; the air stop switching mechanism is movably arranged in the air outlet of the air flue, so that at least one sub air outlet is located in a cut-off closing state, and the other sub air outlet is located in an opening air supply state; and the first air sweeping blade is arranged on the wall surface of the air flue, and is positioned in the sub air outlets. As the air stop switching mechanism is arranged in the air outlet of the air flue, self action change of the air stop switching mechanism can change the use state of the sub air outlets to change the air supply direction of the air conditioner, the air supply modes of the air conditioner are various to satisfy different use demands of users, the experience of the users is improved, and the control adjusting reliability of the air conditioner is improved.

The invention discloses a lithium ion battery cathode material with a variable slope concentration gradient doping structure and a synthesis method thereof. For solving the problems of capacity fadingand rate performance degradation which are brought by the conventional doping method, an element with a variable slope concentration gradient structure is doped, thereby obtaining the lithium ion battery cathode material with the concentration of a doping element continuously changed from the center of a material particle to the surface of the material particle; and change rate is gradually increased from inside to outside, so that the concentration of the doped element inside the material is slowly changed, the concentration of the doped element on the surface of the material is rapidly changed, and change of the concentration of the doped element is mainly concentrated on a surface layer. The method improves stability of the internal structure and the surface of the material while sideeffect is not introduced, the problems such as phase change of the material, volume change and dissolution of transition metal elements in a charge-discharge cycle process are reduced, cycle life of the material is greatly prolonged, and safety performance of the material is greatly improved.

The invention relates to a preparation method for different carbon fibers / a cobalt hydroxide electrode and a solid-liquid composite electrode system. By means of pretreatment and modification of different carbon fibers, the carbon fibers serve as a substrate, composite of metal oxide or hydroxide and the carbon fibers are realized by the electrochemical deposition, and a solid electrode is obtained and has high specific capacitance in the alkaline aqueous solution. Redox substances are added into the alkaline aqueous solution, a composite electrode system that the solid electrode and liquid-phase electrolyte supply the pseudocapacitance jointly is obtained. The composite electrode system has ultra-high specific capacitance, is applied in supercapacitors, and has the advantages of ultra-high energy density, high power density and long service life. The specific capacitance of the composite electrode system can be adjusted by changing the concentration and volume of the redox substances, and the energy density and power density of the supercapacitors can be further changed to meet different using requirements.

The present invention discloses a location structure of an overturn touch display screen. The location structure comprises a mounting platform and a display screen. At least one of a left edge and a right edge of the display screen is provided with an accommodation long groove. The accommodation long groove is internally provided with a suspension shaft. A support rod is suspended on the suspension shaft. One end of the support rod is provided with a location head made of an iron magnetic material. A location magnet is disposed on a surface of the mounting platform behind the display screen. When the display screen gradually overturns upwards to open, the support rod rotates along with the display screen. When the display screen opens more than 90 degree and tilts backwards, the support rod shifts out from the tilting accommodation long groove to be suspended, the location head at the lower end of the support rod and the location magnet are in magnetic connection, and the display screen is in a supporting state. When the display screen is closed, the location head and the location magnet are disconnected, and the support rod enters the accommodation groove to be located. Through adoption of the location structure, the display screen can be located reliably in a rapid and convenient manner, the display screen does not swing when being touched, and the operation is simple.

The invention belongs to the technical field of optical polyurethane elastomers used for composite structure safe glass, and relates to an optically thermoplastic polyurethane elastomer and a preparation method thereof. The elastomer comprises the following components in parts by weight: 60.00% to 80.00% of polyether glycol, 3.00% to 8.00% of a polyhydric alcohol micromolecular chain extender, 10%to 30% of aliphatic diisocyanate, 0.01% to 0.05% of an organic tin catalyst, 0.50% to 1.50% of an oil-solubility antioxidant and 1.00% to 2.00% of a light stabilizer, wherein polytetrahydrofuran withthe molecular weight of 600 to 2000 is selected as the polyether glycol. The polyurethane elastomer material is synthesized and prepared by using a two-step method of a reaction kettle, after the synthesized polyurethane material is pelletized and heated for curing, optical polyurethane elastomer films with different thicknesses can be prepared through the method such as direct flat plate pouringor extrusion pelletizing and then injection forming and extrusion forming. The optically thermoplastic polyurethane elastomer has a high mechanical property, optical performance and tearing strength;the tensile strength is 30 to 45 MPa, the elongation at break is 400% to 700%, the tearing strength is 30 to 50 KN / m, and the light transmittance after being compounded with 2 mm glass is 85% to 87%.

The invention discloses a preparation method of a water-based self-extinction spray resin, which comprises the following steps: S1. synthesis of polyurethane prepolymer; adding polyether dibasic alcohol and carboxylic-acid hydrophilic dibasic alcohol into a reactor according to parts by weight, heating to dehydrate, and cooling; adding a catalyst and diisocyanate into the reactor to react; S2. primary chain extension: continuing adding a first micromolecule chain extender into the reactor according to parts by weight to perform chain extension reaction; S3. secondary chain extension: adding an emulsifier-containing water solution according to parts by weight while stirring, and adding a second micromolecule chain extender while continuing stirring; and S4. neutralization: adding tertiary amine into the reactor, stirring and discharging. The preparation method is simple and controllable in technique and easy to operate, can obtain favorable extinction effect without adding any extinction powder or extinction wax; and the surface of the coated film is uniform, fine and smooth.

The invention discloses a skylight sliding system comprising two guide rails and water flowing grooves, wherein slide rails are respectively arranged on the inner sides of the guide rails, and mounting holes are respectively formed in the outer sides of the guide rails. The skylight sliding system further comprises water flowing groove slide blocks, a mechanical panel, a driving slide block, a front slide block and a driving motor, wherein the water flowing groove slide blocks are respectively arranged at the bottoms of the water flowing grooves; the water flowing grooves are transversely arranged between the two guide rails through the water flowing groove slide blocks; the mechanical panel is mounted on guide rails; the front end of the mechanical panel is slidingly arranged on the slide rails of the guide rails and the back end of the mechanical panel is rotatably connected with the water flowing grooves; the driving slide block is mounted at the bottom of the back end of the mechanical panel and can be movably contacted with the slide blocks of the water flowing grooves; the front end of the mechanical panel is connected with the two sides of the front slide block in a pivoting manner and the front slide block is slidingly mounted on the slide rails; and the driving motor is connected with the driving slide block and the front slide block, and the driving motor is connected with a control device. The skylight sliding system can control a horizontal opening and an inclined opening of a skylight so as to meet different applications of a user.

The invention discloses a smart home monitoring management method and a system thereof. A control terminal carrying an operation system and a camera are connected with other household device. A service program of the operation system controls a display of the control terminal to display monitoring frames shot by the camera in real time and a device touch operation region and controls a monitoringframe window to display the monitoring frames on a front end all the time, so through the monitoring frames, controlled states of the camera and other household devices can be fed back in real time. According to the invention, the monitoring frames and the device touch operation region can be integrated in the same interface and displayed on the screen of the control terminal, so an effect that people can see the monitoring frames and the device touch operation region at a glance is achieved and convenience is provided for the operation by people; and meanwhile, functions of an intelligent automatic color changing and sorting function, an intelligent shopping guiding function, an intelligent one-key switching function, an intelligent interlocking starting function, an intelligent memory angle positioning function, an one-key searching function, an intelligent security and warning sound function and an intelligent scene setting function are achieved; the humanization degree is high; anduser experience is greatly improved.

The invention relates to traditional Chinese medicine slicing equipment. The traditional Chinese medicine slicing equipment comprises a bottom plate, a mounting frame, a water pipe, an auxiliary device, a cleaning device and a slicing device; the mounting frame is arranged on the bottom plate, a sliding groove is formed in the mounting frame, the water pipe is arranged on the lower end of the mounting frame, the water pipe is arranged on the bottom plate, the auxiliary device is arranged on the right side of the water pipe, the auxiliary device is arranged in the middle of the bottom plate, the cleaning device is arranged on the upper end of the auxiliary device, the slicing device is arranged on the right end of the cleaning device, and the cleaning device and the slicing device are botharranged on the bottom plate. The equipment can solve the problems that in the existing Chinese yam slicing process, the manual cost is high, the work efficiency is low, potential safety hazards exist, cleaning is not complete, slicing is not uniform, and adjustability is poor; the Chinese yam can be automatically cleaned, and sliced, and the beneficial effects of being low in manual cost, high inwork efficiency, small in safety hidden danger, good in cleaning effect, uniform in slicing, flexible in adjusting and the like are achieved.

The invention discloses a laser cladding device and method based on ultrasonic-Lorentz force composite vibration, which solves the problems of insufficient vibration capacity and many bubbles in the cladding layer in the prior art, and achieves effective cladding layer cracks , The effect of suppressing and reducing air bubbles, the scheme is as follows: the clamping chuck is used to support the cladding substrate; the first conductive head is set opposite to the clamping chuck, and is used to apply a current field to the cladding substrate from the end ; The second conductive head is set on the machine bed, and is used to apply a current field to the cladding substrate from below; the laser head is set on the top of the machine bed, and is used to cladding the cladding substrate from above; The coil includes two magnetically conductive cores, which are respectively arranged on both sides of the laser head, and each magnetically conductive core is wound with a helical coil; an angle adjustment mechanism for an ultrasonic generator; the ultrasonic generator is supported by an angle adjustment mechanism for an ultrasonic generator , which is used to apply an ultrasonic field to the cladding substrate at a set angle.

The invention discloses a multiple-temperature-gradient utilizing system using solar heat collection. According to the system, three temperature storage water tanks with water of different temperatures contained are adopted, distribution of the water of different temperatures in all the water tanks is adjusted in an optimized mode, hence, gradient utilization can be acheived, and the cooling and heating requirements can be met. Domestic hot water of two different temperatures can be provided by the system, the cooling or heating requirement and the anti-freezing requirement of the radiation tail end of a capillary tube under different season conditions can be met, and thus the comfort, high efficiency and safety are guaranteed. The solar heat utilization and thermoelectricity integration combined supply technology is adopted in the system. The device is provided with a novel solar thermal collector-photovoltaic / photo-thermal collector (PVT) with photovoltaic power generation and solar low-temperature heat utilization integrated. The device comprises a solar high-temperature collector end, a solar PVT intermediate temperature collector end, a lithium bromide absorption type refrigeration low-temperature water storage end, an indoor capillary tube cooling and heating radiation end, a winter anti-freezing exhausting pipeline protection end and a biomass supplementary heat source and domestic hot water making end.

The invention relates to the technical field of air purification, particularly to an air purification system and an air purifier. The air purification system comprises an outer shell, and the outer shell is provided with air inlets and air outlets; an air extraction device, a dust collection device, a filter device and a perfume disc are sequentially arranged inside the outer shell in the air circulation direction; the perfume disc is of a hollowed-out structure; a plane used for placing a perfume bag is arranged on the perfume disc; and a first opening for allowing the perfume bag to enter the plane of the perfume disc is formed in the outer shell. According to the air purification system, aromatic molecules can be released into the air on the basis that the air is cleaned sufficiently, a consumer timely changes the perfume bag conveniently, and the personalized requirement of the consumer is met. An air purifier equipped with the air purification system has the function of providing purified air and aromatic molecules, and is simple in structure and convenient to use.

The invention discloses an aggregate screening device for buildings. The aggregate screening device comprises a base and a screening box, wherein a plurality of iron blocks are arranged on the upper side of the base; a spring is arranged on the upper side of each of the iron blocks; an electromagnet is connected to the upper end of each of the springs; a support platform is arranged on the upper sides of the electromagnets; a sliding rail is arranged on the upper side of the support platform; support plates are arranged at the lower end of the screening box symmetrically; the lower ends of thesupport plates are connected with the sliding rail; a motor is arranged at the right end of the upper side of the support platform; a rotating disc is arranged at the output end of the motor; a rotating shaft is arranged on the periphery of the front side of the rotating disc; a connecting seat is arranged on the right side of the support plate on the right side; a connecting rod is arranged between the connecting seat and the rotating shaft; a dust collection box is arranged at the right part of the upper end of the screening box; a fan is arranged at the upper end of the dust collection box; a dust collection pipe is arranged at the output end of the fan; and a dust collection cover is arranged at one end of the dust collection pipe. The aggregate screening device for buildings has thebenefits of being simple in structure, convenient to use, good in screening effect, long in service life, good in dust collection effect, and energy-saving and environment-friendly.

The invention discloses an automatic stamping table special for financial accounting, and mainly relates to technical field of accounting tools. The automatic stamping table comprises a stamping tablebody, a column is arranged at one end of the stamping table body, a supporting shelf is arranged at the top of the column, several guiding columns are arranged at the bottom of the supporting shelf in an array mode, a pressing plate is arranged at the lower side of the supporting shelf, a driving motor is arranged at the top of the supporting shelf, a crank is arranged on an output shaft of the driving motor, a connection rod is arranged at the end, away from the driving motor, of the crank, a supporting cover is arranged at the bottom of the pressing plate, the supporting cover is internallyprovided with a buffering spring, a pressing column is arranged at the bottom of the buffering spring, a seal fixing shell is arranged at the bottom of the pressing column, a threaded casing pipe isarranged at the top of the stamping table body, a screw is arranged in the threaded casing pipe, and a supporting platform is arranged at the top of the screw. The automatic stamping table special forfinancial accounting has the advantages that an existing seal can be fully utilized, stamping can be automatically conducted, and the automatic stamping table is simple in structure and convenient tooperate.

The invention relates to a preparation process of a high-performance through hole foamed aluminum material. The preparation process mainly comprises the steps that prepared transition filling balls are placed into a casting mold, after vibration operation and preheating treatment, the prepared transition filling balls are moved into a negative pressure device, a negative pressure valve is startedto form negative pressure in a mold cavity, molten aluminum alloy molten liquid is cast, and the clearances between the balls are evenly full of the aluminum alloy molten liquid in a penetration manner under the action of negative pressure and heat balance; and after cooling, the mold is demounted, cutting and slicing or modeling processing is carried out, the transition filling balls are clearedaway and removed through production lines of ultrasonic cleaning, high-pressure water cleaning, high-pressure gas cleaning and drying cleaning, three-dimensional through ball-shaped pore cavities aredistributed in an obtained aluminum alloy matrix, and the regular ball-shaped pore cavities are independently and evenly distributed in the matrix, and the ball-shaped pore cavities are connected through through holes. The specific surface area of the matrix is large, and the physical, mechanics and mechanical properties are better on the aspects of damping, energy absorption, sound insulation andnoise reduction, heat insulation, electromagnetic shielding, impacting force resistance, permeability and the like.

The invention relates to intelligent heat-color light-dimming energy-saving glass. The intelligent heat-color light-dimming energy-saving glass is characterized by comprising a first glass layer, a frame and a glass complex which are adhered in sequence, wherein the first glass layer is boned with the glass complex through the frame to form a hollow glass structure. The glass complex is selected from single-layer glass or interlayer glass structures. The glass complex comprises an intelligent heat-color film layer having a phase-change function. The intelligent heat-color light-dimming energy-saving glass achieves heat adjustment with environment temperature change and can be widely applied to the field of building energy-saving door windows and vehicle and ship windows. By the adoption of the structure, impact resistance and other safety properties of the glass can be improved, the service life of a vanadium oxide composite film layer can be prolonged, and the demands for different environmental glass strength can be met by selecting multiple substrate materials.

The invention discloses a telescopic and adjustable LED lamp. The telescopic and adjustable LED lamp comprises a shell embedded in a wall body or the ground, wherein a lamp body connection frame is arranged in the shell, two straight telescopic racks are formed on the outer sidewalls of the two side plates of the lamp body connection frame, two accommodating grooves are formed in the left inner sidewall and the right inner sidewall of the shell, a drive gear is hinged in each accommodating groove, each drive gear is connected with an output shaft of drive motor, and one end of each drive gear stretches out of the corresponding accommodating groove and is engaged with the corresponding telescopic rack; and a lamp shell is arranged in the lamp body connection frame, LED lamp bodies are arranged in the lamp shell, the lamp shell is a hemispherical shell, a semicircular rotary rack is fixedly connected to the middle part of the bottom surface of the lamp shell, a straight rack is connected below the rotary rack in an engagement manner, and one end of the straight rack is connected with a piston rod of a rotary cylinder. The telescopic and adjustable LED lamp disclosed by the invention can be hidden and occupies no space when not in use, and can be subjected to irradiation angle adjustment according to different use needs.

The invention relates to a three-dimensional micro-heater comprising a circular arc-shaped heating film region with adjustable radian and a method, and the three-dimensional micro-heater is characterized in that the heating film region with the adjustable radian is connected with a substrate framework through a support over beam, the cross section of the heating film region is like a circular arc-shaped groove, the radian of the circular arc-shaped groove can be regulated through the etching method, heating resistance wires are arranged in the groove of the heating film region in the form of fold lines or curved lines and connected with an electrode on the substrate framework through a leading wire on the support over beam, and a thermal insulation cavity is arranged below the heating film region and the support over beam. The heating resistance wires of the heater are arranged in the circular arc-shaped groove of the central heating film region with a three-dimensional structure, thereby leading the heat loss caused by convection heat exchange to be small and effectively reducing the power consumption of the heater. The three-dimensional micro-heater can reduce the heat stress of the circular arc-shaped heating film region, improve the mechanical strength at high temperature, and regulate the radian of the heating film region to meet different applications.

The invention discloses a single cell automatic control sorting device and a single cell automatic control sorting method based on a micro-fluidic chip. The device comprises a cell sorting substrate, a pressure control element, a signal processing element, a channel sorting element and a signal collection control device, wherein the cell sorting substrate comprises the micro-fluidic chip engraved with micro-channels, the micro-channels comprise a main channel provided with a sample liquid storage hole and a waste liquid storage hole arranged at the head and the tail, respectively, and a plurality of cell sorting channels communicating with the main channel and provided with target cell liquid storage holes at tail ends. According to the device and the method provided by the invention, the signal collection control device is used for controlling the channel sorting element to control actions of the element by regulating pressure, so that selection of the cell sorting channel is achieved, and automatic sorting and control of the corresponding cell sorting channel to the target cells are achieved by a negative pressure effect. The device and the method provided by the invention are simple in principle and convenient to use, and the device has the characteristics of small volume and low cost, and can efficiently and conveniently complete sorting of the single cells.