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89 results about "Burn out" patented technology

Fusing type separating device of wind power blade turbulent flow element

A fusing type disengaging device of a wind power blade turbulent flow element is characterized in that a half rope ring, close to one side of a hub, of a rope is arranged in a rope winding ring groove in the outer wall of an end cover of a sleeve in a sleeving mode, a fusing assembly in the end cover is provided with a power supply device and a plurality of conducting strips, and conduction can be avoided through the elastic force of a torsional spring in a locking state; the pawl disc can rotate relative to the ratchet wheel disc to the separation position where the pawl and the ratchet are mutually blocked, at the moment, due to the fact that the conducting strips stay to the mutual contact position after rotating, the conducting parts at the two ends of the power supply device can be mutually conducted to form a heating loop, and heat of the heating loop can be transmitted to the rope winding ring groove to burn out the positioning rope. Therefore, the positioning rope can be separated from the end cover, the turbulent flow element can be reliably and efficiently separated from the wind power blade, an operator only needs to pull the traction rope at will, and the workload in the wind power blade installation process is greatly reduced.
Owner:HENAN UNIV OF SCI & TECH

Waste gas purification method

The invention discloses a waste gas purification method, and belongs to the technical field of environmental protection. The method comprises the following steps: converting nitrogen-containing substances into NOO and adding the NOO into a high-temperature non-combustion area at the tail end of a hearth or the front end of a flue in combustion equipment, wherein fuel is burnt out; nO is cracked in the region to generate active free radicals; the free radicals oxidize NO in the flue gas to generate NO, and oxidize SOO, CO and VOCs to generate oxidation products; continuously cracking the generated NOs to form chain circulation; and the oxidation product is removed in a subsequent purification system. The NOs comprise pure NOs and dimers NO (nitrogen tetroxide) thereof, and NO is decomposed into NOs to participate in the reaction at high temperature. According to the invention, by optimizing the NO adding position, collaborative purification of multiple pollutants such as NOx, SOs, CO, VOCs and the like is realized, a reducing agent does not need to be added, ammonia escape is avoided, the investment and operation cost is low, and the method is particularly suitable for treatment of high-concentration CO and VOCs flue gas in industries such as coking and the like.
Owner:SHENZHEN DAREN ENVIRONMENTAL PROTECTION CO LTD

Power tool

This invention discloses an electric tool. This electric tool solves the problem of motor overheating and burning out during prolonged operation of electric tools in related technologies. During operation, the electric tool utilizes a closed-loop current compensation control circuit formed by the motor, current conversion module, current compensation module, vector control module, and motor drive module. The current compensation module adjusts the reference current input to the vector control module to a minimum and make it adjustable. Furthermore, the closed-loop current compensation control circuit automatically adjusts the compensation current under different loads, effectively reducing bus current and phase current, thereby reducing motor overheating and protecting the motor and electric tool from damage due to excessive or unadjustable current.
Owner:NANJING CHERVON IND

Hot water circulating pump with coupler

The invention discloses a hot water circulating pump with couplings, and relates to the field of centrifugal pumps, the hot water circulating pump comprises a base, the top surface of the base is fixedly connected with a base plate, a protective cover, a first support and a pump body, and the end face of the pump body is provided with a machine seal gland. Therefore, maintenance cost is reduced, potential safety hazards are reduced, the coaxiality calibration process is simplified, repeated measurement and adjustment of the position of the motor are not needed, time and labor are saved, coaxiality can be guaranteed, overload protection can be achieved, overload burning of the motor can be avoided, safety accidents are reduced, the operation safety of the whole hot water circulation system is improved, and the service life of the hot water circulation system is prolonged. And overload protection can be adaptively changed according to the size of the motor, so that coaxiality calibration and overload protection adjustment are synchronously carried out, secondary measurement and adjustment are not needed, and the automation degree of the device is improved while time and labor are saved.
Owner:JIANGSU LIXIN PUMP IND GROUP CO LTD

Fumigation oven with adjustable smoke output

The utility model discloses a smoking oven with adjustable smoke output, which relates to the field of aromatherapy ovens and comprises an oven body, the upper end of the oven body is provided with an opening, a smoke exhaust oven cover is detachably mounted in the opening, the bottom surface of the smoke exhaust oven cover is provided with an air supply component used for driving airflow to blow upwards, and an incense placing plate is arranged below the smoke exhaust oven cover. When the generated smoke is too large, the adjusting cover is installed on the upper surface of the smoke discharging furnace cover, at the moment, the air outlet grooves in the surfaces of the adjusting cover and the smoke discharging furnace cover are staggered, formed through holes become small, and then the smoke discharging amount is adjusted; after the incense coil is burnt out, the scraper at the lower end of the scraping rod is driven by rotating the scraping rod to abut against the surface of the incense containing plate, incense ash on the surface of the incense containing plate is scraped off, the ash is prevented from being attached to the furnace body in the whole cleaning process, the cleaning effect is clean and thorough, and practicability is improved.
Owner:XIANGXIN CO LTD

Supercharged suction cooling type air floating centrifugal air compressor and working method

The application discloses a kind of pressurized suction cooling type air float centrifugal air compressor and working method, the system includes air inlet pipeline, centrifugal impeller, exhaust volute, permanent magnet synchronous motor main shaft and shell, air float thrust disc, air float radial bearing, pressurized impeller and its air inlet pipeline, stator core and winding, fixed structure, motor cold air outlet ring cavity, suction pipeline and suction ring cavity, the main stream area and cold gas flow area structure of air float centrifugal air compressor are proposed in the application, for the problem that high-speed synchronous motor generates large amount of heat, small heat dissipation space, easy to burn out, on the basis of the main stream area and cold gas flow area structure of air float centrifugal air compressor, the technical scheme for solving pressurized cold gas and outlet suction air combination is proposed, the cold gas flow rate and flow can be maximized to ensure that the heat generated by high-speed synchronous motor design operating condition long time operation is taken out in time, to ensure the operation safety of entire unit.
Owner:NANJING JIZHI POWER TECH CO LTD

Power supply circuit with current detection function, current detection circuit and electronic overload protection system

The utility model provides a power supply circuit with current detection, a current detection circuit and an electronic overload protection system. The power supply circuit with current detection comprises a current sampling module, an overpower protection module and a power supply module. The power supply module is used for supplying power to the main control module according to the current on the current sampling module; and the overpower protection module is used for conducting when the current on the current sampling module exceeds a preset current threshold value so as to shunt the power supply module. According to the application, the over-power protection module is arranged, and the protection function of the over-power protection module is utilized, so that the over-power protection module can be conducted when the current on the current sampling module exceeds the preset current threshold value to shunt the power supply module, the generated heat can be reduced, the risk of burnout is reduced, and the service life is further prolonged.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD

Connection terminal with open circuit protection structure

The utility model discloses a connecting terminal with an open circuit protection structure, which comprises a base, a wire pressing terminal, a split terminal, a conductive metal piece, a contact piece and an elastic piece, the wire pressing terminal is arranged on the base and used for connecting a cable, the split terminal is arranged on the base and used for connecting an insertion end, the contact piece is rotatably arranged on the base through a first rotating shaft, and the conductive metal piece is arranged on the base. One part of the conductive metal piece is electrically connected with the wire pressing terminal, and the other part of the conductive metal piece is electrically connected with the contact piece through a soft wire; one end of the elastic piece is fixedly connected with the part, far away from the split terminal, of the contact piece, the other end of the elastic piece is relatively fixed with the line pressing terminal, and the elastic piece is in a stretched state. Circuit connection can be automatically disconnected when the internal temperature of the connection terminal is too high, the connection terminal is prevented from being burnt out due to temperature rise, and circuit safety is protected.
Owner:SUZHOU HUAZHAN SPACE APPLIANCE

Heat exchange cooling device

The utility model discloses a heat exchange cooling device which comprises an exploring tube, a pushing air cylinder and a control unit, the rear end of the exploring tube is respectively provided with a cooling liquid inlet and a cooling liquid outlet, and an air cooler, a liquid storage box and a water pump are sequentially connected between the cooling liquid outlet and the cooling liquid inlet through pipelines. A flow meter and a pressure sensor are installed in the pipeline, a temperature sensor is installed in the pipeline connected with the cooling liquid outlet, and the control unit is electrically connected with the flow meter, the pressure sensor and the temperature sensor on one hand, and is electrically connected with the pushing air cylinder and a draught fan of the air cooler on the other hand. Under the abnormal condition, the exploring tube can be withdrawn from the kiln in time, so that the risk that the exploring tube is burnt out is reduced, and a gas analysis device or a hearth flame monitoring device in the exploring tube can be prevented from being damaged.
Owner:HEFEI DINGRUI MEASUREMENT & CONTROL TECH CO LTD

An energy storage device

The utility model relates to electrical system technical field discloses a kind of energy storage devices, it at least includes the first shell and second shell arranged along gravity direction, and the first shell and second shell accommodate energy storage battery respectively.The first shell is equipped with first explosion venting component, and the second shell is equipped with second explosion venting component.The ratio of the communication distance between first explosion venting component and second explosion venting component and the distance of both in gravity direction is at least greater than 1.1, obstructs the transmission path of flame between first explosion venting component and second explosion venting component, avoids the flame of lower layer's explosion venting component to burn out upper layer's explosion venting component as far as possible, avoids the heat runaway of lower layer to spread to upper layer, reduces the risk of heat runaway of energy storage device spread.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Sludge incineration device and method with staged air distribution and flue gas recirculation type rotary kiln

The application discloses a sludge incineration device and method for a rotary kiln with staged air distribution and flue gas recirculation, which sends sludge and primary air into the rotary kiln from the kiln head; sends secondary air from the kiln head to the ignition section of the rotary kiln; and sends recirculated flue gas from the kiln head to the stable combustion section of the rotary kiln. The staged air distribution can form an oxygen-deficient fuel-rich zone in the initial combustion stage to inhibit the generation of NO x ; and the remaining air required for combustion is sent in the form of secondary air in the later combustion stage to make the fuel burn out; the flue gas recirculation can moderately reduce the oxygen content in the furnace and strengthen the reducing atmosphere in the combustion zone, which is beneficial to further reducing the emission of NO x in the sludge incineration process. The application uses the staged air distribution and flue gas recirculation, not only reduces the emission of NO x , but also avoids the problem that the SNCR method commonly used in the denitration of the rotary kiln incinerator needs to add ammonia water and external equipment, thereby reducing the operation cost and having good economic efficiency and application prospect.
Owner:SOUTHEAST UNIV

Temperature control protection type heater

The utility model discloses a temperature control protection type heater, which relates to the technical field of heaters, and comprises a heater main body and a lifting structure for assisting in lifting the heater main body, the lifting structure comprises fixing plates, the fixing plates are arranged at the front end and the rear end of the heater main body, a cavity is formed in each fixing plate, and the heating device is arranged in the cavity. And electromagnets are installed on the two sides of the interior of the cavity, a sliding rod is transversely installed between the electromagnets, two magnetic blocks are slidably connected to the outer wall of the sliding rod, and the outer wall of the sliding rod between the magnetic blocks is sleeved with a telescopic spring. Under the counter-acting force of the fixed spring, the positioning rod pushes the push plate, and under the simultaneous action of the positioning rod and the push rod, the push plate pushes downwards to drive the heater main body to ascend, so that the heater main body is pulled out of a container, and at the moment, the heater main body can be taken down to stop heating, so that heating protection of the heater is realized by the structure, and the service life of the heater is prolonged. The heater is prevented from burning out the liquid.
Owner:ANHUI NINGGUO TIANCHENG ELECTRICAL APPLIANCES

Coating method

PCT designated stageWO2026074882A1Pretreated surfacesCoatingsElectrostatic coatingEngineering
A coating method comprising: an electrostatic coating step of electrostatically coating a metal object supported by a metal hanger grounded to the ground; and a laser irradiation step of, after removing the object from the hanger, burning out, by laser irradiation, a coating material having adhered in the electrostatic coating step to a contact portion, said contact portion being the portion of the hanger that was in contact with the object in the electrostatic coating step. 
Owner:MIPOX CORPORATION

A crushing device and recycling method for waste silica gel.

PendingCN122076577AReduce Adhesive BuildupReduce operating loadTransportation and packagingMixersElectric machineryEnvironmental engineering
This invention relates to the field of silica gel recycling technology, and discloses a crushing device and recycling method for recycling waste silica silica gel. The crushing device for recycling waste silica silica gel includes a support frame and a twin-shaft crusher. A mixing mechanism is provided on the upper part of the support frame for mixing silica gel and lubricating powder. The mixing mechanism includes a mixing chamber, which is fixedly connected to the upper part of the support frame. A feed inlet is fixedly connected to the side of the mixing chamber away from the twin-shaft crusher. Multiple rollers are rotatably connected inside the mixing chamber. This invention uses the mixing mechanism to evenly coat the strip-shaped waste silica gel with lubricating powder, thereby reducing the adhesion and accumulation of silica gel on the surface of the moving blades of the twin-shaft crusher due to softening and high viscosity. This not only reduces the operating load of the motor and avoids the risk of motor overheating, tripping, or burning out, but also maintains the sharpness of the moving blade teeth, ensuring stable shearing and tearing effects and preventing excessive compression and clumping of materials.
Owner:ZHAOYUAN HONGXIN SILICA GEL CO LTD

Carbonization furnace with double return air passages

The utility model belongs to the field of carbonization furnaces, and provides a carbonization furnace with double furnace return air passages, which aims to solve the problems of air passage ignition, influence on production load, gas backflow and possible flash explosion in the traditional carbonization furnace structure process, and comprises a furnace body, and a cavity in the furnace body is a carbonization chamber. The lower part of the carbonization chamber is divided into a plurality of mutually independent coke discharge ports by partition walls; an upper gas passage and a lower gas passage which are independent are respectively arranged on the partition wall and the inner wall of the furnace body corresponding to the partition wall in height, a plurality of fire holes communicated with the carbonization chamber are respectively formed in the gas passages, the gas passages comprise an air passage and a gas passage, and the air passage is arranged above the gas passage in parallel. According to the utility model, returned coal gas and returned air respectively enter the carbonization furnace from the two independent air passages, so that the problems that mixed gas of air and coal gas exists in the air passages, a lattice wall is easily burnt out, or flash explosion is caused in a pipeline and the like are solved, the temperature in the carbonization furnace can be conveniently and automatically controlled and adjusted, and the heat utilization efficiency is improved.
Owner:SHANXI JUHUA JINGTAI CHEMICAL TECHNOLOGY SERVICES CO LTD

Laser welding machine and laser welding method

The present invention provides a laser welding method in which the laser beam does not enter the gap between a pair of flat wires and burn out the coating. [Solution] In the first step, the tip of the first flat wire 71L is melted by irradiating the center of the first tip surface of the first flat wire 71L with the first laser beam LB, thereby forming a first molten portion 72L on the first flat wire 71L. In the second step, the tip of the second flat wire 71R is melted by irradiating the center of the second tip surface of the second flat wire 71R with the second laser beam LB, thereby forming a second molten portion 72R on the second flat wire 71R. The irradiation start position of the third laser beam LB is set to a position on the surface of the second molten portion 72R that is shifted outward from the center of the second tip surface. In the third step, the third laser beam LB is moved from the irradiation start position toward the first molten portion 72L.
Owner:AMADA CO LTD

Multi-layer circuit board drilling device

The utility model belongs to the technical field of circuit board drilling, and particularly relates to a multilayer circuit board drilling device which comprises a bottom plate. Supporting frames are fixedly connected to the two sides of the top of the bottom plate. The side walls of the bottoms of the multiple supporting frames are fixedly connected with a first linear driver. A second linear driver is fixedly connected to a sliding block on the side wall of the first linear driver. A connecting block is fixedly connected to a sliding block on the side wall of the second linear driving machine. The side wall of the connecting block is fixedly connected with a third linear driver. A fixing block is fixedly connected to a sliding block on the side wall of the third linear driver. The bottom of the fixed block is fixedly connected with an electric drill; a condensation box is installed on the side wall of the end of the electric drill. The middle part of the condensation box is hollowed out; when the multi-layer circuit board is drilled by the electric drill, the phenomenon of heating and hot burning can occur, and the circuit board can be burnt out and even melted due to overhigh temperature, so that the electric drill can be cooled by the condensation box mounted on the side wall of the electric drill, and the influence of the temperature generated by the electric drill on the multi-layer circuit board is reduced.
Owner:DONGGUAN HAIRUN ELECTRONIC TECHNOLOGY CO LTD

Safe power utilization device

The utility model belongs to the technical field of safe electricity utilization, and particularly relates to a safe electricity utilization device which comprises a shell, a baffle and a protective cylinder, the baffle is fixedly connected to the outer side of the shell, the protective cylinder is arranged on the inner side of the baffle, a communicating pipe is movably inserted into the inner side of the baffle and penetrates through the inner wall of the protective cylinder, a through hole is formed in the inner wall of the protective cylinder, and the through hole is communicated with the baffle. The heat dissipation device is used for dissipating heat in the pile casing, and the inner wall of the pile casing is sleeved with a protection assembly. According to the utility model, through the arrangement of the gas spring, the telescopic end of the gas spring can contract, so that the sleeve can move upwards for a certain distance to counteract part of pulling force, and meanwhile, by matching with the use of the rubber gasket, large friction force can be generated between the sleeve and a line sheath to counteract the residual pulling force; therefore, the circuit on the inner side of the air switch is prevented from loosening when the circuit pulling space is insufficient or the pulling force is too large, the wiring position of the circuit is prevented from loosening, and the air switch is prevented from being burnt out.
Owner:ANHUI QISU TECHNOLOGY CO LTD

resistor (constant voltage module)

1. The name of the design product: resistance (constant voltage module). 2. The use of the design product: by connecting the resistance in series in the circuit, the current size in the circuit is limited, and other elements in the circuit are protected from being damaged by excessive current. For example, in the LED lighting circuit, a suitable resistance needs to be connected in series to limit the current flowing through the LED to prevent it from being burned out due to excessive current. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view. 5. No design points, omit other views.
Owner:彭建钊

Low-noise large-air-volume dish-shaped fan applied to notebook computer heat dissipation support

The utility model relates to the technical field of notebook computer heat dissipation supports, in particular to a low-noise large-air-volume saucer-shaped fan applied to a notebook computer heat dissipation support, which comprises a fan frame, a mounting assembly, a cleaning assembly and a heat dissipation assembly, the mounting assembly comprises extension blocks, the two extension blocks are fixed at the lower end of the fan frame, a base is arranged below the fan frame, and the cleaning assembly is arranged on the base. Two extending blocks are arranged in the fan frame, three positioning bolts are arranged in each extending block in a threaded mode, the lower ends of the positioning bolts are arranged in the extending blocks in a threaded mode, two pairs of sliding grooves are formed in the inner side of the fan frame, and two pairs of sliding blocks are fixedly arranged above the base. The top cover is rotated to enable the cleaning brush to clean the fan frame, dust in the fan frame is cleaned, influences on work of electronic elements in the fan are prevented, heat dissipation is conducted on the interior of the fan frame through cooperation of the rectangular holes, the heat dissipation holes and the heat dissipation blocks, and the electronic elements in the fan are prevented from being burnt out.
Owner:SHENZHEN CITY YI RONG CHUAN ELECTRONICS TECH CO LTD

Composite combustion device and method for fuel decoupling staged micro-fluidized layer combustion

The invention provides a compound combustion device and method for fuel decoupling staged micro-fluidization grate-firing. The compound combustion device comprises a grate-firing furnace and a pyrolysis reactor. The fuel decoupling classification refers to that fine coal particles are converted into pyrolysis gas and high-temperature semi-coke through a cyclone pyrolysis reactor, the pyrolysis gas is introduced from the upper part of a main hearth to be used for reducing nitrogen oxide generated by combustion of a coal bed in a bed layer area, and the high-temperature semi-coke is conveyed to the upper surface of a bed layer through a pipeline to assist in igniting the coal bed; micro-fluidized bed combustion refers to that particle size distribution coal distribution is combined with primary air middle-front part air distribution, fine-particle coal in a bed layer is in a micro-fluidized combustion state in gaps of large-particle coal, combustion and burnout of a bed layer coal sample are enhanced, and the carbon content of bottom slag is reduced; the three-hearth structural design is adopted, fly ash return is coupled, fluidized fly ash and gas-phase components are intensified to be burnt out, and then the carbon content of the fly ash is reduced; through the layer combustion-chamber combustion combined combustion method, the incomplete combustion heat loss of the layer combustion furnace can be effectively reduced, the boiler efficiency is improved, and the original emission of nitrogen oxide is reduced.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES +2

LED support with high air tightness

ActiveCN223859585UAir tightnessBurn out
The utility model discloses an LED support with high air tightness, which comprises a support body, the support body comprises a conductive base and a plastic shell wrapping the conductive base, and the plastic shell is provided with at least one pressing piece used for pressing the conductive base to prevent the conductive base from loosening and upwarping. The pressing piece on the LED support can ensure that the conductive base is firmly fixed in the plastic shell, the phenomenon of poor air tightness of the LED support caused by looseness and upwarp of the conductive base is avoided, external water, dust and other pollutants are effectively prevented from entering the support to cause burnout of LED lamp beads, and the rejection rate of products is reduced; and meanwhile, the plastic shell and the pressing piece can form a five-surface wrapping effect on the conductive base, so that the phenomenon of untight packaging during subsequent packaging can be prevented, and the air tightness of the LED bracket is greatly improved.
Owner:吉安市木林森电子有限公司

Energy-saving crushing device for waste metal recycling

This invention provides an energy-saving crushing device for recycling scrap metal, relating to the field of crushing device technology. It includes a base, with a housing fixedly connected to the upper surface of the base, an adjusting mechanism, and a limiting mechanism. The limiting mechanism is located inside a moving block, which has a transverse groove. Through the coordinated operation of the adjusting mechanism and the limiting mechanism, the device automatically triggers a pressure crushing action to address the problem of large or high-hardness metal blocks easily getting stuck. This avoids material blockage caused by the crushing roller jamming, and at the same time, prevents the drive motor from burning out due to overload operation, significantly reducing the equipment failure rate and extending the overall service life of the device. Furthermore, the limiting mechanism can stably limit the position of the adjusting structure, preventing it from sliding randomly due to material compression, ensuring the spacing accuracy of the crushing structure in conventional crushing operations, and ensuring consistent crushing effects for different batches of scrap metal.
Owner:DAZHOU RUNDA ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Lithium battery fire extinguishing agent box with quick release structure

The utility model relates to the technical field of battery safety, and discloses a lithium battery fire extinguishing agent box with a quick release structure, which comprises an agent box main body, a fire extinguishing agent is filled in the agent box main body, and the bottom of the agent box main body is fixedly connected with a first side plate and a second side plate respectively. The bottoms of the first side plate and the second side plate are fixedly connected with a containing box, the top of the containing box is provided with an opening, a lithium battery is placed on the inner side of the containing box, and the bottom of the medicament box body is provided with an opening. According to the fire extinguishing agent box, the fire extinguishing agent box main body is triggered by arranging the safety rope, and when a fire occurs to the lithium battery, the fire extinguishing agent box main body is quickly started by burning out the safety rope, so that a fire extinguishing agent is quickly submerged to a fire point; the fire extinguishing device triggered by breaking the safety rope adopts a proper fire extinguishing agent, so that fire can be accurately extinguished in a relatively small range, and the influence on other surrounding equipment is reduced.
Owner:NANJING GUIHUA ELECTRIC POWER TECH CO LTD

semiconductor devices

ActiveCN224290614UHeat dissipation is not affectedachieve the effect of releaseDevice materialElectrical connection
This invention provides a semiconductor device comprising a chip, a package structure, and electrode leads. The chip is packaged within the package structure, and the electrode leads are electrically connected to the electrode pads of the chip via leads. At least a portion of the electrode leads is exposed outside the package structure. The package structure has a stripping groove that is recessed inward from the outer surface of the package structure. At least a portion of the projection of the stripping groove along the thickness direction of the semiconductor device overlaps with the projection of the leads along the thickness direction. The electrode leads are source leads, drain leads, or gate leads. In the event of a short circuit, this semiconductor device can ensure that energy is released from the weakest point to burn out the semiconductor bonding wires, thereby preventing the device from burning.
Owner:INNOSCIENCE (SHENZHEN) SEMICON CO LTD

A short-circuit protection device for reverse connection of power supply port

This invention provides a reverse connection short-circuit protection device for power supply ports, comprising a main assembly with two symmetrically arranged protective components inside. Each protective component includes a guide sleeve, a spring, a slide rod, a conductor, a first contact, a second contact, and a magnet. A spring is fixedly connected to the inner wall of the guide sleeve, and a slide rod is fixedly connected to one end of the spring. The slide rod is slidably connected to the inner wall of the guide sleeve, and a conductor is fixedly connected to one end of the slide rod. A first contact and a second contact are arranged on one side of the conductor, and a magnet is fixedly connected to one end of the conductor. This invention connects two first connecting posts with a wire and installs a protective resistor within it. When energized, the wound first wire generates a magnetic field that attracts or pushes away the magnet, thereby disconnecting or connecting the power supply circuit, achieving the function of preventing reverse connection and protecting circuit safety. By triggering the positive and negative protection devices, the power supply to the system is disconnected, preventing the system from burning out due to a short circuit.
Owner:SHENZHEN TRIPOD TECH CO LTD

Anti-overheating automatic protection ammeter

The utility model discloses an anti-overheating automatic protection ammeter, which comprises a flip cover, a general packet radio service (GPRS) module, an upper cover, an ammeter printed circuit board assembly (PCBA) mainboard, an electric energy meter terminal seat, a terminal cover, an ammeter bottom shell, a relay and a temperature detection unit, the GPRS module is sealed in the upper cover by the flip cover, and the ammeter PCBA mainboard, the electric energy meter terminal seat and the relay are sealed in the ammeter bottom shell by the upper cover. A temperature detection unit is arranged below the electric energy meter terminal base, a terminal cover is installed outside the electric energy meter terminal base, the electric energy meter terminal base is located on one side of the electric meter PCBA main board, and the relay is located below the electric meter PCBA main board. The temperature detection unit is arranged below the terminal base of the electric energy meter, when the electric energy meter detects that the temperature of the terminal is too high, the relay in the electric energy meter is cut off, high-power electricity utilization is forced to stop, then the electric energy meter is prevented from being burnt out due to the too high temperature of the terminal, and the electric energy meter can monitor electric energy parameters and equipment temperature in real time; and safe and stable operation of a power system is ensured.
Owner:XUZHOU BUYI TECH CO LTD

Laser welding machine and laser welding method

The present invention provides a laser welding method in which the laser beam does not enter the gap between a pair of flat wires and burn out the coating. [Solution] In the first step, the tip of the first flat wire 71L is melted by irradiating the center of the first tip surface of the first flat wire 71L with the first laser beam LB, thereby forming a first molten portion 72L on the first flat wire 71L. In the second step, the tip of the second flat wire 71R is melted by irradiating the center of the second tip surface of the second flat wire 71R with the second laser beam LB, thereby forming a second molten portion 72R on the second flat wire 71R. The irradiation start position of the third laser beam LB is set to a position on the surface of the second molten portion 72R that is shifted outward from the center of the second tip surface. In the third step, the third laser beam LB is moved from the irradiation start position toward the first molten portion 72L.
Owner:AMADA CO LTD

Anti-scald moxa -moxibustion physiotherapy instrument

The present application relates to a kind of scald prevention moxa moxibustion physiotherapy instrument, including main body, moxa head, installation platform, fixed module, transfer module, detection module, feeding module, linkage module, ash collection module, universal arm, smoke guide pipe, hang shell.The present application is fixed by moxa stick on puncture column, and the detection module is overlapped between moxa stick, the combustion of moxa stick is inducted by detection module, actively reminds moxa stick replacement work after moxa stick is burned out, and ejects ejection bin, after new moxa stick is placed into ejection bin, only need to press ejection bin reset to realize moxa stick replacement work, and do not need to open equipment to replace, also save heat well, avoid waste caused by heat loss, realize the coherence of moxa moxibustion work.
Owner:GUANGXI NANNING BODEN TECHNOLOGY CO LTD

Satellite-borne anti-fuse FPGA (Field Programmable Gate Array) reinforcement protection method for avoiding high-power switching damage of PIN (Personal Identification Number) switch

The invention discloses a satellite-borne anti-fuse FPGA (Field Programmable Gate Array) reinforcement protection method for avoiding high-power switching damage of a PIN (Personal Identification Number) switch, which comprises the following steps: an original control signal is generated through an SRAM (Static Random Access Memory) type FPGA, and the pulse width of the original control signal is at least the sum of the time of switch switching maximum time delay t1, radio frequency transmission and stabilization time t2, design margin t3 and effective switching window t4; a DA turn-off signal and an effective window signal are obtained from the original control signal in the anti-fuse FPGA. According to the method, a high-reliability scheme is realized by utilizing the satellite-borne anti-fuse FPGA, so that an electronic switch cannot be burnt out due to switching of various reasons when the power amplifier outputs high power. The method has high universality, solves the problems of weight and power consumption of the radio frequency front end of the integrated high-power base station especially in the design of high-integration-level products such as deep space exploration, and has wide application prospects.
Owner:XIAN INSTITUE OF SPACE RADIO TECH