886 results about "Induction coil" patented technology

The invention discloses a method for dynamically monitoring and automatically processing abnormity of an entrance and an exit of a parking lot, relates to the technical field of intelligent parking lot management, and aims to solve the problems that existing unattended parking lot entrance and exit management depends on manpower, abnormity processing is passive, and the misjudgment rate is high. The method is based on an information acquisition and execution layer-edge processing layer-cloud platform three-layer architecture, the core realizes high-precision scene understanding through a multi-algorithm fused visual perception module, multi-modal data weighted fusion is combined with a ground induction coil, a radar and the like, and the misjudgment rate is reduced; a sensing result is converted into an automatic processing action through a configurable intelligent rule engine; and meanwhile, the cloud platform stores passing data and an evidence chain, optimizes an AI model through incremental training and returns the AI model to an edge layer, so that closed-loop evolution is realized.

The invention relates to the technical field of wafer processing, in particular to a reaction chamber and plasma processing equipment, which comprises a quartz tube, an induction coil, a Faraday shield cage, a state monitoring device, a rotation driving device and a control unit, and is characterized in that the quartz tube is arranged at the top of a processing chamber; the induction coil is arranged around the outer side of the quartz tube; the Faraday shielding cage is provided with a slit, and the orthographic projection of the slit on the circumferential wall of the quartz tube forms an erosion area; the state monitoring device is used for monitoring the erosion area; the driving end of the rotary driving device is connected with the quartz tube or the Faraday shielding cage; the control unit is in communication connection with the state monitoring device and the rotary driving device; according to the invention, through real-time monitoring and an active regulation and control mechanism, the problem of concentrated erosion of plasma to the quartz tube in a high-hydrogen process is effectively solved.

The invention relates to the technical field of wafer processing equipment, in particular to a reaction cavity and plasma processing equipment, comprising a quartz tube, an induction coil and a shielding member, the quartz tube is arranged at the top of a processing chamber; the induction coil is arranged on the outer side of the quartz tube in a surrounding manner and comprises a plurality of annular sections which are arranged at intervals in the axial direction of the quartz tube and a plurality of connecting sections which are arranged between every two adjacent annular sections and are used for connecting every two adjacent annular sections; the shielding component is annularly arranged between the quartz tube and the induction coil and comprises a plurality of annular shielding parts arranged in the axial direction of the quartz tube and a plurality of arc-shaped shielding parts arranged between every two adjacent annular shielding parts and used for connecting every two adjacent annular shielding parts; a slit is formed between two adjacent annular shielding parts; concentrated bombardment of high-energy ions on the inner wall of the quartz tube can be obviously prevented, so that erosion of the quartz tube is effectively reduced, particulate matter is reduced, the service life of a machine is prolonged, and the process yield is increased.

A tamper for making paraffin blocks for histology may include a pliable tamper head and a handle. The handle may be permanently or removably attached to the tamper by using screws, magnets, or the like. The tamper may be made from a pliable material, such as a silicone rubber, with improved thermal transfer and high latent heat. In use, the tamper may be warmed in advance to a working temperature by placing the tamper on a hot plate of the embedding station or on a dedicated smaller hot plate. Alternatively, the tamper may be heated with an electric resistive element, a thermoelectric device, or an electric induction coil.

The invention relates to the related technical field of geophysical exploration instruments, in particular to a miniaturized broadband induction type magnetic field sensor. The sensor comprises a magnetic core, an induction coil, a feedback coil and a signal processing circuit. The invention is characterized in that the magnetic core is of a long rod-shaped structure formed by laminating and curing high-permeability soft magnetic strip materials, the length of the magnetic core is 580mm-640mm, the cross section of the magnetic core is a square or an equivalent circle with the side length of 11mm-15mm, and the length-diameter ratio of the magnetic core is greater than 40; the feedback coil is formed by spirally winding a metal foil belt along the magnetic core, and the metal foil belt forms a main shielding layer for restraining interference of an external electric field at the same time. By optimizing the size and the length-diameter ratio of the magnetic core and combining the integrated design of feedback and shielding functions, while the working frequency band and the low-noise performance are ensured, remarkable miniaturization and light weight of the sensor are realized, and the portability and the layout efficiency of field exploration are greatly improved.

The utility model relates to the technical field of metallurgical electric furnaces, in particular to an induction coil for a medium-frequency electric furnace, which comprises an induction heating coil, an upper cooling coil positioned above the induction heating coil and a lower cooling coil positioned below the induction heating coil, the upper cooling coil, the induction heating coil and the lower cooling coil are all formed by winding hollow pipe bodies in the same spiral direction, the cross section of the induction heating coil is in a D shape, and the induction heating coil comprises an inner pipe wall, an outer pipe wall and two connecting walls connected between the inner pipe wall and the outer pipe wall. The cross section of the induction heating coil is designed to be D-shaped, the inner pipe wall located on the inner side of the induction heating coil is arranged to be arc-shaped, and the outer pipe wall located on the outer side of the induction heating coil extends in the vertical direction, so that current and magnetic field distribution is optimized, and magnetic field energy acts on the surface of a workpiece on the inner side of the induction heating coil more intensively; energy loss is reduced, the heating speed of workpieces is increased, and the heating efficiency of the medium-frequency electric furnace is improved.

The invention relates to the technical field of medium-frequency induction heating furnaces, in particular to a medium-frequency induction heating furnace body, a furnace body manufacturing method anda temperature control method. The medium-frequency induction heating furnace body comprises a furnace lining, a material channel allowing a blank to pass through is formed in the middle of the furnace lining, and an induction coil which extends in axial direction of the material channel and is spirally wound on outer side of the material channel is arranged in the furnace lining; and a pluralityof temperature measuring holes are formed in the side wall of the furnace lining in the axial direction of the furnace lining at intervals, the temperature measuring holes are formed in the radial direction of the furnace lining and penetrate through the side wall of the furnace lining, and the temperature measuring holes are located at the intervals between every two adjacent turns of coils of the induction coil. The invention further provides a manufacturing method of the medium-frequency induction heating furnace body and a temperature control method of the medium-frequency induction heating furnace. According to the furnace body, the temperature measuring holes are formed in the side wall of the furnace body for temperature measurement instead of adopting the temperature measurement mode at a discharge port so that the temperature measurement accuracy can be improved.

A lock system includes a lock. The lock includes a locking mechanism, an induction coil, and an actuator. The locking mechanism is selectively movable between a first position and a second position. The induction coil is configured to inductively couple with a portable device to generate power. The actuator is configured to actuate between a locked configuration and an unlocked configuration to selectively transition the locking mechanism between a locked state and an unlocked state in response to receiving the power generated with the induction coil.

This invention discloses a rapid catalyst preparation method based on high-frequency alternating magnetic field atmosphere heating, belonging to the field of rapid catalyst preparation technology, including the following steps: Step 1: Support pretreatment and precursor loading: After surface modification pretreatment of the metal support, the catalyst precursor is uniformly loaded onto the surface of the metal support using precision coating technology; Step 2: Modular coil adaptation: A suitable modular induction coil assembly is selected according to the geometry of the metal support, and the metal support loaded with the precursor is fixed in the central region of the coil. The rapid catalyst preparation method based on high-frequency alternating magnetic field atmosphere heating proposed in this invention achieves spontaneous heating inside the metal support through induction heating, without the need for external furnace contact. This not only avoids the corrosion of equipment by corrosive precursor gases, but also significantly reduces dependence on large high-temperature furnace equipment, shortens the preparation cycle, and improves the safety and economy of the process.

The invention provides an in-situ thermal field induction heating module design method and device, and relates to the technical field of laser manufacturing, and the in-situ thermal field induction heating module design device comprises an optical fiber laser, a laser cladding nozzle, a six-axis mechanical arm, a coil adjusting structure, an induction coil, an induction power supply, a water cooling machine, a molten pool monitoring and control system and a base material; the optical fiber laser is connected with the laser cladding nozzle, the six-axis mechanical arm is used for controlling the laser cladding nozzle to move, and the coil adjusting structure is installed on the six-axis mechanical arm and connected with the induction coil so that the induction coil can synchronously move along with the laser cladding nozzle. The sprayed metal powder is solidified on the base material to form a cladding layer, the induction power supply generates high-frequency current and conducts the high-frequency current to the induction coil, the induction coil heats the cladding layer, and the water cooling machine is used for cooling the induction coil; the molten pool monitoring and control system is installed on the side face of the molten pool and used for monitoring thermal field distribution of the molten pool in real time. The method has the advantage that the problem that defects such as cracks and air holes are prone to being generated in the laser cladding process is solved.

A hearing aid comprising an induction coil is disclosed, wherein the hearing aid comprises: a faceplate; a custom ear shell adapted to at least partly fit into an ear canal of a specific person, the custom ear shell being connected to the faceplate; a rechargeable battery enclosed in the faceplate and the custom ear shell; and an induction coil, e.g. a hearing aid induction coil, for wireless charging of the rechargeable battery, the induction coil being arranged at least partly in contact with the custom ear shell, wherein the induction coil is arranged as a printed or deposited material on a flexible substrate.

The utility model provides a novel wireless smoke pot device. The novel wireless smoke pot device comprises a wireless smoke pot and a radio induction driving circuit, the wireless smoke pot is connected with the radio induction driving circuit; the wireless fuming pot comprises a first wireless induction coil, an electronic ignition head and a fuming pyrotechnic composition; the wireless induction coil is connected with the electronic ignition head; the electronic ignition head is connected with the ignition pyrotechnic composition; the radio induction driving circuit comprises a second wireless induction coil and a control circuit; and the control circuit is connected with the second wireless induction coil and is used for receiving a control instruction sent by the MCU. The wireless smoke pot does not need extra power supply, and is simple in periphery, simple in process, easy to implement and small in size. A wireless charging chip scheme is adopted in the wireless induction driving circuit, wireless induction cigarette lighting can be achieved only through few peripheral devices, the size of a finished product is further compressed, and the production process and the cost are further optimized.

Disclosed herein is a furnace for producing single crystal boules, the furnace comprising a furnace wall; a plurality of crucibles, where each crucible is operative to contain a melt that is contacted by a different pull rod; where each pull rod is attached to seed crystal; a first drive system that is located above the furnace and is configured to drive a first main shaft that is either in a geared or belted communication with a plurality of first planetary shafts; where each pull rod is in rotary communication at least one planetary shaft; where each pull rod is operative to contact the melt while undergoing rotary and translational motion with respect to a melt in one of the plurality of crucibles; where each crucible is surrounded by an induction coil and a refractory lining; and wherein each induction coil and refractory lining lie within the furnace wall.

The utility model discloses an electromagnetic induction eddy current heating electromagnetic emitter with magnetic shielding, the electromagnetic emitter comprises a magnetic shielding cover (1), a coil (2) and a coil support (3), the coil (2) comprises a coil main body (21) formed by conducting wires and a pair of coil pins (22), the coil support (3) comprises a support wall (31), a support bottom (32) located at the lower end of the support wall (31) and a pin through hole (33), and the support wall (31) is connected with the support bottom (32). The coil body (21) is arranged on the coil support (3), the coil pins (22) penetrate out of the pin through holes (33), and the coil body (21) is located in a coil space (14) defined by the coil support (3) and the magnetic shielding cover (1). The structure of the magnetic induction coil assembly is simplified, the magnetic shielding efficiency is improved, the provided electromagnetic emitter is high in integration degree, large-scale assembly production is facilitated, and the production efficiency of electronic cigarette appliances can be effectively improved.

This utility model discloses a low-power wireless sensor network monitoring device, including a housing, a signal transmitting mechanism, and a vibration monitoring mechanism. A fixed base is fixedly installed at the lower end of the housing, and the signal transmitting mechanism is fixedly installed at the upper end of the housing. The probe moves up and down along the inner wall of the fixed base due to the amplitude of the vibration. During the movement of the fixed base, the magnet at its upper end moves along the trajectory, thereby moving up and down inside the induction coil boss. In this process, electrical energy is generated. At the same time, the vibration monitoring mechanism detects the vibration signal. The electrical energy generated by the triggering mechanism and the vibration signal detected by the vibration monitoring mechanism are both transmitted to the signal transmitting mechanism. The electrical energy is used to wake up the signal transmitting mechanism and enable it to transmit the signal detected by the vibration monitoring mechanism. After the signal is transmitted, the signal transmitting mechanism enters sleep mode again, so that the device only transmits signals when vibration occurs, which greatly reduces the energy consumption of the device and allows the device to monitor for a long time.

The utility model provides a wire cup capable of being electrically controlled to brake and a fishing reel. The wire cup comprises a cylindrical cup body, a stator part, a rotor part, an electric control unit, a single-phase rectifier bridge circuit and a switching device. The stator part and the rotor part are arranged in the cup body, the stator part comprises a first induction coil and a second induction coil, the first end of the first induction coil is connected with the first end of the second induction coil, and the rotor part can coaxially rotate relative to the stator part and comprises a plurality of magnets which are arranged on the inner wall of the cup body at intervals in the circumferential direction; the polarities of the adjacent magnets are opposite; two alternating-current ends of the single-phase rectifier bridge circuit are respectively connected with the second end of the first induction coil and the second end of the second induction coil, and two direct-current ends of the single-phase rectifier bridge circuit are connected with a power supply end of the electric control unit; the enable end of the switching device is connected with the brake signal output end of the electric control unit, and the brake current path is conducted when a brake signal sent by the electric control unit is received.

A power supply circuit and a power supply device, and the power supply circuit includes a bridge switching circuit, a transformer, a resonant circuit, a rectifier circuit. The bridge switching circuit, the transformer, the resonant circuit, and the rectifier circuit are sequentially connected in series. The resonant circuit includes an induction coil connected in series between the transformer and the rectifier circuit. In the case that the inductive coil is connected in series in the circuit, the inductive coil can participate in conductive charging as an inductor in the resonant circuit. Further, the inductive coil can also receive the inductive voltage wirelessly transmitted by the external circuit through electromagnetic induction, and the inductive voltage can be transmitted to the load through the rectifier circuit to achieve inductive charging.

A method for fabricating an inductive coil arrangement comprising: forming N(i) layers, where (i) is an integer from 1 to M, where N(i) is an i-th layer and N(M) is a maximum number of N(i) layers; each N(i) layer comprising: an (i) instance of a first conductor of thickness (x)T, connected to a first side of an (i) instance of a ceramic; an (i) instance of a second conductor of thickness (y)T, connected to the second side of the (i) instance of the ceramic; stacking and registering the N(1) to N(M) layers such that for (i=1 to M-1) an instance of the first conductor of an N(i+1) layer is arranged adjacent to an instance of the second conductor of an N(i) layer; Stacking and registering a third conductor with a thickness (y)T with the first conductor of the N(1) layer and a fourth conductor with a thickness (x)T with the second conductor of the corresponding N(M) layer;and connecting the third conductor to the first conductor of layer N(1) and the fourth conductor to the second conductor of layer N(M); where x and y are equal to or greater than 0 and equal to or less than 1, respectively.

A system (1) for casting metal (2), the system (1) comprising a mold (6) with a feeder (4) supplying a casting section (3). The system (1) comprises an insulating sleeve (10) surrounding at least a portion of the feeder (4) and an induction coil element (20) for placement outside the insulating sleeve (10). The induction coil element (20) comprises an induction coil (21) and a cooling channel (22) for controlling the temperature of the metal (2) within the feeder (4). The system (1) comprises a control unit (30) connected to the induction coil element (20) for controlling power to the induction coil (21) and for providing a flow of coolant to the cooling channel (22). The system further comprises a temperature sensor (40) for sensing a temperature at a fixed location within the feeder (4), the temperature sensor (40) being in communication with the control unit (30).

The invention provides a CT energy-taking power supply circuit with self-adaptive output power, and relates to the technical field of power electronics, and the circuit comprises an energy-taking input protection module which is used for obtaining alternating current from a CT induction coil; the rectifying and filtering module is used for rectifying alternating current into pulsating direct current, and the pulsating direct current is smoothed by a filtering capacitor and then provides stable direct-current bus voltage for a post-stage conversion circuit; the DC-DC conversion module is used for efficiently converting the direct-current bus voltage into isolated direct-current voltage suitable for a load; the multi-stage adaptive feedback module is used for dynamically adjusting an output current reference through multi-stage voltage comparison and an optocoupler feedback network, so that the output power is adaptively matched with the CT energy taking size; and the direct current output module is used for rectifying and filtering the converted voltage and providing stable and low-ripple direct current output. According to the technical scheme, the output power is self-adapted according to the magnitude of the CT output electric energy, and the reliability and stability of power supply of the load equipment are improved.

This invention discloses an early warning method applicable to large drum shaft systems. It includes arranging high-precision measuring sensitive units on the shaft system to collect physical information about the torsional deformation and torque experienced during drum shaft rotation. This physical information is transmitted as an electrical signal to a signal conversion and transmission unit, which converts the electrical signal into a digital signal. This digital signal is then transmitted to a digital signal receiver via an induction coil. The digital signal receiver not only receives the digital signal but also engages in induced energy coupling with the induction coil. Electrical energy can be transmitted through the digital signal receiver and received by the induction coil, thereby powering the high-precision measuring sensitive units and ensuring their normal operation. The digital signal receiver transmits the digital signal to a signal processing unit, which processes it into an analog current signal and sends it to an early warning unit. The early warning unit determines whether an alarm is triggered and issues an early warning. Beneficial effects: High monitoring accuracy, wide coverage, and improved safety and reliability.

The invention discloses a low-temperature vacuum annular electron accelerator arc reactor, which relates to the field of electromagnetism and is applied to the technology and concept of energy generation, conversion and transmission. The device is composed of a high-voltage electron gun module (1), a low-temperature vacuum annular pipe module (2), a sealing module (3), an accelerating electric field module (4), a magnet guiding module (5), a magnetic core module (6), an induction coil output module (7) and a base module (8). According to the technology and the concept, a low-temperature vacuum annular electron accelerator is used for replacing a primary coil winding of a traditional transformer, that is, the same electric field is used for circularly accelerating electrons emitted into an annular vacuum tube by an electron gun to form annular electron flow to replace the primary coil winding of the traditional transformer. When the high-speed circling electrons lose to accelerate the action of an electric field, due to the mass inertia effect of the high-speed electrons, the annular current cannot disappear immediately under the guidance of the magnetic lines of force of the fixed magnet, the magnetic flux of the magnetic core still changes, and therefore the secondary coil can still obtain corresponding arc discharge. Therefore, the inductive discharge of the secondary coil can reversely act on the energy conversion of the accelerating electric field or the electron gun, so that the energy conversion efficiency is improved, and the energy loss is reduced.

The present application relates to continuous casting pouring technical field, especially to a kind of titanium-containing alloy steel liquid's continuous casting pouring device and method, including ladle and tundish and workstation, workstation is rotatably installed with load plate, two ladle positions for placing ladle are opened in load plate, the bottom of workstation is fixedly connected with the induction coil long shroud that is communicated with ladle, tundish is fixedly connected with breather bushing, breather bushing is inserted with breather stopper, tundish outside is equipped with tank for guiding argon, the bottom of tundish is provided with induction coil submerged entry nozzle, for guiding molten steel into continuous casting crystallizer, tundish bottom is provided with slow flow mechanism for slowing down the impact force of molten steel falling, the argon is injected in the breather stopper, the titanium-containing steel with poor fluidity is not dead in tundish nozzle, after molten steel flows into tundish nozzle, induction coil submerged entry nozzle also generates induction magnetic field, so that molten steel does not solidify before entering crystallizer.

The application relates to the technical field of electric energy meters, and particularly discloses an electric energy meter with a leakage detection function, which comprises a meter body, an input live wire, an output live wire, an input zero wire and an output zero wire connected to the meter body, and further comprises a detection mechanism, a positioning mechanism and an alarm mechanism; the detection mechanism comprises a closed iron core arranged on the meter body and an induction coil wound on the closed iron core, and the input live wire and the input zero wire jointly pass through the closed iron core; the positioning mechanism is used for positioning the position between the input live wire, the input zero wire and the closed iron core; and the alarm mechanism is electrically connected with the induction coil and is used for sending an alarm signal according to the current generated by the induction coil. The application has the effect of reminding a user of a leakage condition of a line or an electric appliance without forcibly cutting off power.

The application relates to vehicle-mounted charging equipment, specifically describes a double-side magnetic wireless charger. It includes a bottom shell, a middle shell, a circuit board, a charging induction coil, and an internal magnet. The middle shell is detachably placed above the bottom shell, with an internal magnet and charging induction coil inside. A panel is located at the upper end of the middle shell. Additionally, a notch on the side of the bottom shell contains a type-C charging socket, connected to the circuit board. A bottom magnet is positioned in the middle of the lower part of the bottom shell, while an internal magnet on the front side and a bottom magnet on the back side allow the charger to be attached to iron objects. This design enables the charger to be used in more scenarios and offers greater convenience.

Tabletop device (106) for an induction device (100), wherein the tabletop device (106) is a A support surface (112) for placing a cooking vessel (110) on the countertop device (106), at least one induction coil (200, 202) shaped to provide an output magnetic field for heating the support surface (112) using an input magnetic field of an induction field of the induction device (100), and a sensor device (114) with at least one force sensor for detecting a pressure acting on the countertop device (106), wherein the sensor device (114) is configured to provide a pressure signal representing the pressure.

According to the nondestructive testing device and method for the axial force of the underwater steel pipe pile, the device is arranged on the outer wall of the steel pipe pile and in a water environment around a steel structure, and a magnetic induction coil array annularly arranged on the outer wall of the steel pipe pile captures the magnetic flux density change of the steel pipe pile; after modulation of the magnetic field monitoring and modulation module, transmission of the underwater wireless transmission unit and inversion algorithm processing of the rear-end data processing unit, the stress state of the steel pipe pile body is obtained. The method comprises the steps that the signal excitation module applies a background magnetic field to the periphery of the magnetic induction coil array, the magnetic induction coil array induces magnetic field changes outside the steel pipe pile in real time, and the magnetic field monitoring and modulating module recognizes the magnetic field changes and converts the magnetic field changes into voltage signals; the modulated voltage signal is sent to a receiving end underwater through an underwater wireless transmission unit, and a rear-end data processing unit calculates the stress distribution in the pile body according to the change of a multi-point magnetic field and by calling a multi-coil magnetic flux inversion algorithm, and outputs real-time displacement trend, stress change and abnormal alarm information.

An aerosol generating device is provided. The aerosol generating device includes: a pipe shaped to include an insertion space; a heater having a cylindrical shape that surrounds the insertion space; and an induction coil positioned relative to the heater and being configured to cause the heater to generate heat in accordance with current flowing through the induction coil.

The utility model provides a gas pre-decomposer for a high-temperature purification furnace, and belongs to the technical field of high-temperature industrial electric furnaces. The problem that an existing gas pre-decomposition device for the high-temperature purification furnace is low in decomposition efficiency is solved. Comprising a shell, a graphite crucible is arranged in the shell, the outer side of the graphite crucible is coated with a heat preservation layer, an induction coil is wound on the outer side of the shell, a filter element is arranged in the graphite crucible, an air inlet is formed in one end of the shell, an air outlet is formed in the other end of the shell, and thermocouples are arranged on the two sides of the air inlet respectively. The thermocouple penetrates through the heat preservation layer and then is inserted into the filter element, a blocking screen assembly is arranged at the front end of an air channel of the air outlet, and cooling systems are further arranged at the two ends of the shell respectively. According to the utility model, the halogen gas required by the high-temperature purification furnace can be obtained by decomposing the five-poison cheap raw material gas.

The invention belongs to the technical field of magnetic measurement testing, and particularly relates to a magnetic moment coil calibration device and method, which can realize that a magnetic moment coil keeps still in the calibration process, realizes the change of magnetic flux through the change of current, and then calculates the magnetic moment through the variable quantity of the magnetic flux. In the invention, the relative position between the calibrated magnetic moment coil and the standard constant magnetic field coil as the magnetic flux induction coil is always kept fixed in the calibration process, so that the problem that the magnetic axis is difficult to align accurately due to physical movement in the traditional drawing method or overturning method is thoroughly avoided; therefore, the reference alignment precision and reliability of calibration are improved. Magnetic moment coils with different sizes can be matched through the magnetic flux induction coils with different uniform area sizes, and the problem that the pulling or overturning operability of large magnetic moment coils is poor can be avoided.