49results about How to "Sensitive quickly" patented technology

The invention relates to the technical field of mobile phone glass cover plates, in particular to a mobile phone glass cover plate and a printing process thereof. The printing process comprises the following steps of (1) preparing the glass cover plate, wherein the glass cover plate comprises a display area and a non-display area; (2) preparing a printing ink; and (3) printing the printing ink onthe non-display area of the glass cover plate, drying and curing, wherein the non-display area comprises an IR hole area. According to the printing process provided by the invention, through printingthe IR hole area in the non-display area and other parts at the same time, the process is simple, the reject ratio is reduced, the cost is reduced, the appearance is more perfect, and meanwhile, the induction of a mobile phone screen on the mobile phone glass cover plate is further improved.

The invention relates to a thermocouple temperature sensor which is applied a low-temperature and high-pressure environment and capable of rapidly responding. The thermocouple temperature sensor is composed of a 1 two-hole alundum tube, a 2 sealing head, a 3 thermocouple temperature-sensitive point, 4 heat-conducting filling material, a 5 connecting nut, a 6 sealing ball head base, a 7 positioning compressing block, a 8 compressing ring and a 9 thermocouple wire. The temperature-sensitive point and the sealing head of the temperature sensor are enabled to be connected by adopting a novel structure and welding technology. The sealing head is connected with the long-rod end of the sealing ball head base so that the rapid response effect is achieved, and defects that a conventional glue pouring technology is long in production period, time-consuming and labor-consuming are avoided. The thermocouple temperature sensor can bear 24MPa pressure intensity, 50g acceleration and 3000Hz frequency vibration intensity so that high-precision temperature measurement can be performed within a range of 20K-473K.

The invention relates to an automatic control faucet, in particular to a capacitive inductive faucet, which comprises a faucet body, a water inlet pipe, an electromagnetic valve arranged on the water inlet pipe, and an inductive joint electrically connected with the faucet body, wherein the inductive joint is connected with a control unit which comprises a microprocessor; the microprocessor controls a pulse generating circuit to generate a pulse signal which is sent to the inductive joint after passing through a filter stabilizing circuit; and the faucet body is used as an inductive part so that an induction field around the faucet body is formed centering on the faucet body. The inductive faucet is only inductive to a human body and does not react to a non-living object, and the induction range is between 0 and 5 centimeters; and when a human hand gets close to the faucet, the amount of electric charge acquired by the faucet is increased, and the faucet can detect the approach of the human hand according to a preset threshold value so as to control the electromagnetic valve to release water.

The invention relates to the technical field of semiconductors, particularly to a trench field effect transistor and manufacturing method thereof. The trench field effect transistor manufactured by the invention includes a substrate, an n- epitaxial layer, a p type body region, n+ active regions, a trench and a polycrystalline silicon gate and a gate oxide layer which are arranged in the trench, the trench also contains an insulating medium layer, the insulating medium layer segments one side of the polycrystalline silicon gate which is close to the bottom of the trench into two parts which are close to the p type body region at two sides separately, and a p type doping region is formed between the trench bottom corresponding to one side of the polycrystalline silicon gate close to the trench bottom and the n- epitaxial layer. The trench field effect transistor provided by the invention effectively reduces gate-drain parasitic capacitance, and improves switching speed.

The invention discloses a production method of a high-performance BOPET film. The BOPET film is composed of an outer surface layer, a middle core layer and an inner surface layer. The outer surface layer is composed of PET, PHB, PA6, p-hydroxybenzoic acid, terephthalic acid, ethylene glycol, LLDPE and an antioxidant 1010; the middle core layer consists of PET (Polyethylene Terephthalate), PBT (Polybutylene Terephthalate), PC (Polycarbonate), ABS (Acrylonitrile Butadiene Styrene), glass fiber, talcum powder and a copolymer of styrene-methyl methacrylate-glycidyl methacrylate; the inner surface layer is prepared from PET, titanium dioxide, zinc oxide, PBT, polyethylene oxide, TPU, nano silicon dioxide and triphenyl phosphate. The BOPET film designed by the method is higher in performance.

The invention relates to an anti-dry protection device for an electromagnetic oven cooker, comprising a light-transmitting panel (1), a coil disc (2), a main control plate (3) and a base (4), wherein the coil disc (2) and the main control plate (3) are arranged in the base (4). The anti-dry protection device is characterized by also comprising at least one photosensitive element (5) which is capable of inducting the dry and the reddening of the cooker to generate resistance change, is arranged in the base (4) by a photosensitive element support (6), is positioned below a heating zone of the light-previous panel (1) and is electrically connected with the main control plate (3). The anti-dry protection device creatively adopts the photosensitive element to judge the heating condition of theheated cooker on the electromagnetic oven cooker so as to prevent and control the dry burning of the cooker, therefore, the induction is fast, the precision is high, and the protection device has no signal delay, is not influenced by the installation environment, and can timely and accurately conduct the dry judgment and protection on the cooker.

The invention relates to a fire alarm device, in particular to a building fire alarm device based on the Internet of Things. The technical problem is to provide the building fire alarm device based on the Internet of Things, which is convenient to mount and dismount and can spray water to assist in fire extinguishing. The building fire alarm device based on the Internet of Things comprises a mounting frame and a first support, and the first support is mounted on the inner side of the mounting frame; the water receiving pipe is mounted in the middle of the first bracket; the mounting mechanism is mounted on the mounting frame; the shell is mounted on the mounting mechanism; the smoke sensor is installed in the middle of the inner side of the shell. According to the alarm device, the first gear can be driven to rotate by rotating the first gear ring, so that the first rotating rod and the first limiting block are driven to rotate, the first limiting block can loosen and clamp the shell, the operation is simple, and people can conveniently mount and dismount the alarm device.

The invention discloses smart home self-adaptation smell induction equipment and belongs to the technical field of smell induction equipment. The problem that in the prior art, cooking fume equipment cannot induct leaked coal gas or natural gas and thus personal and property security risks are caused is solved. The smart home self-adaptation smell induction equipment comprises a shell, an oil pumping device arranged inside the shell, and a motor connected with the oil pumping device. The shell comprises a front baffle and a rear baffle. The rear baffle is provided with a smoke outlet, and the smoke outlet is provided with a smoke exhaust pipeline. The front baffle is provided with a plurality of oil pumping holes. The shell is provided with a switching push button used for switching on or off the equipment. The shell is provided with a smell inductor used for inducting coal gas or natural gas, and the smell inductor is connected with the switching push button. The smart home self-adaptation smell induction equipment is used for exhausting indoor cooking fumes.

The invention relates to a base point control mechanism for a magnetic inductor adopted in a pattern stitching machine. The mechanism comprises an X-direction base point induction mechanism and a Y-direction base point induction mechanism, wherein the X-direction base point induction mechanism comprises an X-direction base point magnetic inductor fixed on a machine and an X-direction mounting groove fixed on an X-direction linear guide rail, and the X-direction linear guide rail is fixed on the machine; the Y-direction base point induction mechanism comprises a Y-direction base point magneticinductor fixed on a Y-direction stepper motor seat and a Y-direction drive shaft connected with a stepper motor, and the Y-direction stepper motor seat is fixed on the machine. The base point controlmechanism has the advantages that as the base point inductor is a magnetic inductor, when a metal object approaches the inductor, the inductor generates signals; and as the base point inductor self isprovided with screw threads, and the clearance between the inductor and an inductive object can be freely adjusted when the inductive object is connected with the inductor to ensure that the inductorhas quick and sensitive induction, and is independent of the working environment.

The invention discloses a heating pump and a washing electric appliance. The heating pump comprises an upper pump shell and a lower pump shell, wherein a heating cavity is defined by the lower pump shell and the upper pump shell, the upper pump shell is provided with a water inlet, the lower pump shell is provided with a water outlet, a heater and a temperature protector are installed on the upper pump shell, a through hole is formed in the upper pump shell and covered with a heat conduction piece so that the heat conduction piece becomes a part of the inner wall of the heating cavity; the temperature protector is located on the outer side of the upper pump shell, the temperature sensing face of the temperature protector is attached to the heat conduction piece, heat of the heating cavity can be transmitted to the temperature sensing face through the heat conduction piece, the temperature sensing face can rapidly sense temperature changes in the heating cavity, temperature sensing is more accurate, sensitivity of temperature sensing can be remarkably improved, and the temperature protector responds more rapidly; therefore, temperature control accuracy is improved, the fluctuation amplitude of the temperature in the liquid heating process is reduced, the conditions of high temperature, high pressure, dry burning and the like in the heating cavity are greatly reduced, and safety is higher.

The invention provides an earthquake alarm which comprises an induction device and an alarm circuit and can be used for sound-light alarming. The earthquake alarm comprises the induction device and the alarm circuit, and is characterized in that the induction device comprises a supporting frame fixed to a bottom plate and a magnet suspended on the supporting frame; the alarm circuit comprises a power supply, a dry reed pipe arranged below the magnet and a sound-light alarm device arranged in the circuit; the dry reed pipe is connected to the circuit in the form of a normally closed point. The alarm comprises the induction device and the alarm circuit, so that an earthquake can be quickly induced and a very good warning effect on people in the earthquake is achieved; a relay J with a self-locking effect is arranged in the alarm circuit, so that an alarm signal can be continuously generated.

The invention discloses a non-contact handheld multi-station automobile high-voltage ignition coil fault detector, which comprises a sensing antenna, an electromagnetic field signal amplifying circuit, an ignition signal processing circuit and a display circuit; the output end of the sensing antenna and the input of the electromagnetic field signal amplifying circuit The output end of the electromagnetic field signal amplification circuit is connected to the input end of the ignition signal processing circuit, and the output end of the ignition signal processing circuit is connected to the input end of the display circuit; the sensing antenna is used to sense the electromagnetic field signal when the ignition coil is ignited; The invention can facilitate users to compare the displayed ignition signal detection data in order to judge the fault of the ignition coil, that is, it adopts non-contact fast induction without any disassembly of the ignition coil, thus saving time and cost. Under the rapid detection of abnormal working ignition coil.