41results about How to "Prevent burning phenomenon" patented technology

With a hemispherical large soup pot boil soup food in great quantities, in the form of heat medium oil evenly heating the inner pot of soup pot and maintain a prescribed heating temperature, recycle what happens when heat medium oil vaporizing gas rotary laminated large saucepan. Hemispherical large is its main technical points, by heating pot body inner pan pan ontology, between the outer wall of the lining of the cooking pot, and can be injected into heat medium oil formed by the interlining cavity, the interlining cavity at the upper side of the installed switch and through the vent, at the other side of the interlining cavity at the upper part of the installed so that they can inject heat medium oil discharge heat medium oil vaporizing gas and heat medium oil pipelines, sensing interlining cavity heat medium oil temperature of the thermal probe, connected to the hot medium oil pipeline and equipped with the burner blower air vents can inhale vaporized gas vaporizing gas pipeline, as well as the heating of the heat medium oil to the specified temperature of the installed heating accessories and so on a series of parts.

The embodiment of the invention provides an overcurrent protection circuit. The overcurrent protection circuit comprises a voltage conversion unit, a reference voltage generation unit, a voltage comparison unit and a switch unit; the voltage conversion unit is used for receiving input voltage and converting the input voltage to generate modulation voltage; the reference voltage generation unit is used for generating reference voltage used for being compared with the modulation voltage; the voltage comparison unit is electrically connected with the voltage conversion voltage and the reference voltage generation unit and used for comparing the modulation voltage with the reference voltage to generate a corresponding control signal; the switch unit is electrically connected with the voltage comparison unit and the voltage conversion unit and used for determining whether to output the modulation voltage or not according to the control signal. By means of the overcurrent protection circuit, the phenomenon of circuit burnout caused by short-circuiting can be effectively prevented.

The invention relates to the technical field of new energy electric vehicles, in particular to an electric vehicle heat dissipation charging device based on new energy, which comprises a main body mechanism, and a heat dissipation mechanism is mounted in the main body mechanism; a mounting mechanism is fixed on the main body mechanism; a fixing mechanism for limiting the mounting mechanism is propped against the mounting mechanism; a placing mechanism is mounted on the main body mechanism in a matched manner, and a spraying mechanism is propped against the placing mechanism; the plug extrudes the placing mechanism, so that the placing mechanism extrudes the spraying mechanism, and the internal pressure of the placing mechanism is increased when the spraying mechanism slides, so that a disinfectant stored in the placing mechanism can be sprayed onto the plug, and the outer surface of the connecting plug can be disinfected conveniently; and cross infection is also prevented to a certain extent.

The invention relates to a direct-current energy meter. The direct-current energy meter comprises a direct-current sampling module (1) for collecting a current signal when the electric energy meter works; a direct-current voltage sampling module (2) for acquiring a voltage signal of the energy meter; a metering module (4) for receiving the acquired current signal and the voltage signal and analyzing and converting the current signal and the voltage signal; a control module (5) which is connected with the metering module (4), and receives information transmitted by the metering module (4) and performs bidirectional data communication; and a liquid crystal display module (9) for displaying power consumption data according to the information transmitted by the control module (5). The direct-current energy meter further comprises a voltage and current isolation module (3) for isolating the sampling voltage signals and the current signals and reducing interference between the sampling voltage signals and the current signals. Compared with the prior art, the direct-current energy meter is advantageous in that an isolation chip is arranged between a voltage sampling module and a current sampling module, so that the isolation of the two can be effectively realized, and the interference between the current signal and the voltage signal is effectively reduced. The metering accuracy of the energy meter is improved. When the voltage is reversely connected, the energy meter is intact, and the safety and the universality are ensured.

The invention discloses an anti-reversing device of an isolation switch. A steering sensor is used for sensing the direction of the main shaft of the isolation switch, and according to the sensing signal, whether the rotation direction of the main shaft is consistent with the preset rotation direction is judged. If the actual rotation direction of the main shaft is opposite to the preset rotation direction, change of a motor power supply of the isolation switch is controlled, so the rotation direction of the motor is changed, and the actual rotation direction of the motor is allowed to be consistent with the preset rotation direction. Thus, the rotation direction of a cross rod of the isolation switch is allowed to be consistent with the operation of actual switching on or switching off of workers. The motor power supply are prevented from being connected wrongly to cause that the rotation direction of the cross rod of the isolation switch is inconsistent with the preset direction and cause a burning down phenomenon of the motor power supply. There is no need for workers to manually detect whether the wiring between the motor and the power supply is correct, so working intensity of the workers is reduced and working efficiency is improved.

The invention discloses an Internet of things-based optical fiber box with heat radiation and dust removal functions, which comprises a solid edge wrapping, a stain adsorption film, a disassembly andassembly end plate, a protective cover plate, a built-in heat radiation box and a heat radiation plate, wherein the edge of the solid edge wrapping is bonded with the stain adsorption film; one side of the disassembly and assembly end plate is provided with the protective cover plate; and the heat radiation plate is arranged outside the built-in heat radiation box. The structure is scientific andreasonable, the use is safe and convenient, and as the solid edge wrapping is arranged, the outer edge part of the box body has higher stability; as the stain adsorption film is arranged, outer stainssuch as dust can be prevented from entering the box body to affect inner components; as the disassembly and assembly end plate is arranged, the stain adsorption film can be assembled, disassembled and replaced conveniently; as the protective cover plate is arranged, the box body can be prevented from being directly exposed in air, and the box body has a certain self protection ability; as the built-in heat radiation box is arranged, heat accumulated in the box body can be timely eliminated; and as the heat radiation plate is arranged, heat radiation air can be uniformly diffused to the innerpart of the box body.

The invention discloses a plateau gypsum calcining device and a gypsum calcining method, and relates to plateau gypsum calcining device and a gypsum calcining method in a high plateau area with higher altitude. The invention changes the original calcining room into an airtight type, on which an entrainment tube and an institute mouth are arranged. The calcining room is also provided with a thermometer and a barometer. In calcination, through compressed air, the barometric pressure in a calcine vessel is about one standard atmospheric pressure. The device and the method has the advantages of simple structure and easy operation, avoiding the occurrence of partial dead roasting and underburnt lime in the plateau area or the area with higher altitude.

The invention discloses an integrated circuit packaging structure. The integrated circuit packaging structure comprises a mounting plate and a circuit board, the circuit board is arranged at the top of the mounting plate, a chip is arranged at the top of the circuit board, a lead is arranged in the chip, the two ends of the lead are distributed on the two sides of the chip, a packaging box is arranged at the top of the mounting plate, telescopic rods are welded to the two sides of the interior of the packaging box, the telescopic rods are sleeved with buffer springs, buffer plates are welded to the ends of the telescopic rods and the ends of the buffer springs, and a damp-proof layer is welded in the packaging box. According to the invention, the buffer plate and the buffer spring are arranged; and, in the moving transportation process, the buffer plate telescopic rod and the buffer spring are pressed to move towards one side, and the telescopic rod and the buffer spring can effectively reduce the shaking of the integrated circuit board when the integrated circuit board is shaken, thereby preventing the damage of internal elements of the packaging box, reducing the economic loss, reducing the internal temperature of the packaging box, and preventing the internal elements of the packaging box from being burnt out due to the overhigh temperature.

The invention relates to a constant-temperature anti-stir-frying sesame frying device, which comprises a frying pan, a heat recovery unit, a transfer unit and a blast spreading unit, wherein the heatrecovery unit comprises a water tank, the bottom wall of the water tank is co-walled with the top wall of an outer cylinder body, the blast spreading unit comprises a driving shaft, an airing field, adriving assembly, a material tank, a third bin and a blower, the lower end of the driving shaft is rotatably connected with the airing field, the blower is fixedly arranged at one end of the materialtank, the air outlet of the blower is connected with an opening at one end of the material tank. According to the invention, the boiling water temperature in the water tank is constant, which ensuresthat the temperature of the inner cylinder is in a relatively stable temperature segment, which fundamentally ensures that the temperature of the sesame in an inner cylinder does not fluctuate too much, and reduces the probability of the paste of the sesame, and the sesame with higher temperature is blown away, and the heat dissipates rapidly when being blown out. Uniform spread of the sesame isalso conducive to rapid heat dissipation, the paste phenomenon after stacking cooked sesame is effectively prevented.

The invention discloses a copper electroplating additive and a preparation method of the copper electroplating additive. The copper electroplating additive is prepared from, by weight, 5-10kg of 50% sulfuric acid, 1-5kg of copper sulfate, 1-6kg of bis-(sodium sulfopropyl)-disulfide, 1-6kg of propane pyridinium sulfonate salt, 1-5kg of alkyl dimethyl ammonium chloride and sulfur dioxide polymerizedquaternary ammonium salt, 80-150kg of polyoxycyclohexane-polypropylene oxide monobutyl ether and 1-8kg of PEG. The preparation method comprises the specific steps that 1.1, about 85 L of pure water is added, and stirring is started; 1.2, sulfuric acid is added and stirred till being completely dissolved; 1.3, copper sulfate is added and stirred till being completely dissolved; 1.4, bis-(sodium sulfopropyl)-disulfide is added and stirred till being completely dissolved; 1.5, propane pyridinium sulfonate salt is added and stirred till being completely dissolved; 1.6, alkyl dimethyl ammonium chloride and sulfur dioxide polymerized quaternary ammonium salt are added and stirred till being completely dissolved; 1.7, polyoxycyclohexane-polypropylene oxide monobutyl ether is added and stirred till being completely dissolved; and 1.8, PEG8000 is added and stirred till being completely dissolved. Brightness of an electroplated copper layer can be ensured, plate burning is prevented, anode slime is reduced, and the electroplating Tp value is high.

The invention discloses a graphene desalination device, the structure of which comprises a top cover, a graphene desalting machine, a fixing plate, a desalination device, a support base, a display panel, a control button and a control box. According to the graphene desalination device of the invention, the desalination device is arranged on the structure, and graphene is guided into the inner sideof the device through a graphene membrane shell in the device; a joint pin is slightly pulled through a connection ring such that the lower end of the connection ring extrudes a pressure container; through a pressure ring, a desalination pipe is pressurized; in the extrusion process, salt in graphene is settled at the lower end of the desalination pipe, and the operation leads to high temperatureof the graphene. Then, a liquid flows in the opposite direction into a water production pipe through backflushing effect to cool the graphene for desalination operation; and through a security filter, the graphene in the water production pipe is filtered and finally is discharged through a discharging tube, thus preventing the device from being burnt due to excess temperature.

The invention discloses a KNY28 centrally installed switchgear with a dehumidification function and an anti-tripping function, the KNY28 centrally installed switchgear comprises a centrally installed switchgear body, a working box and a ventilation frame, the back of the centrally installed switchgear body is provided with the working box, the bottom of one side of the centrally installed switchgear body is provided with the ventilation frame, and the ventilation frame is internally provided with two groups of cooling fans; and a ventilation groove is formed in the middle of the top of the working box. According to the invention, through the arrangement of the placement box, when a worker needs to dehumidify the interior of the centrally installed switchgear body, the ventilation slots and the ventilation strips are matched for use, so that air in the centrally installed switchgear body can keep good fluidity, and a dustproof net can prevent external dust from falling into the device; and after the switch cover is opened, a proper adsorbent is added into the placing box, the adsorbent can absorb moisture in the centrally installed switchgear body according to the characteristics of the adsorbent, the hollowed-out net can make the adsorbent better make contact with the moisture in the centrally installed switchgear body, so that the moisture is absorbed, and then the interior of the centrally installed switchgear body can be dehumidified.

Disclosed is a testing device for a lightning strike counter with good heat dissipation function, which comprises a handle, a work area, a ground terminal, a display screen and a thermal conductive silica gel. The working area is arranged at one end of the handle. One end of the work area is provided with the ground terminal, one side of the ground terminal is provided with a high-voltage output end, the display screen is arranged on the surface of the work area, and a test button is arranged below the display screen. In the device, the heat conductive silica gel is arranged on the periphery of a storage battery so that the heat generated by the operation of the storage battery can be effectively absorbed by the heat conductive silica gel to dissipate the heat, thereby effectively reducing the temperature of the storage battery and preventing the storage battery from being burned due to over-temperature. A waterproof permeable membrane is arranged on the inner wall of the handle and an air-permeable heat-dissipating hole is arranged in the outer surface of the handle corresponding to the waterproof permeable membrane so that the heat of the heat conductive silica gel inside the handle can be dissipated to improve the working efficiency of the heat conductive silica gel.

The invention discloses an air switch anti-misoperation device which is installed on an air switch, the air switch comprises a front shell and a switch wrench extending out of the front shell, the air switch comprises an elastic connecting piece and two pressing pieces, the tail ends of the two pressing pieces are fixed to the two ends of the elastic connecting piece respectively, and the elastic connecting piece is connected with the switch wrench. The distance between the front ends of the two pressing pieces is smaller than the height of the front shell. The air switch can be completely covered, so that the air switch is completely prevented from being switched on by a worker by mistake, the phenomena of personnel injury and equipment burning caused by the fact that the air switch is switched on by mistake during secondary line maintenance are effectively prevented, and potential safety hazards to people and equipment are eliminated. And the electric quantity loss caused by mistakenly touching the air switch is greatly reduced.

The invention relates to the technical field of intelligent street lamps, and discloses an internet-based urban intelligent street lamp with a protection structure, the internet-based urban intelligent street lamp comprises a lamp holder, and a lampshade is fixedly mounted at the bottom of the lamp holder. According to the internet-based urban intelligent street lamp with the protection structure, the protection top plate is arranged, when the protection top plate is impacted, fixing sleeve rods on the left side and the right side of the bottom of the protection top plate are pushed to move downwards, rubber springs on the left side and the right side of the protection top plate are compressed under the limitation of a pushing ring and a movable rod, and meanwhile a pushing block pushes a pushing rod to move downwards to compress a compression spring; pulleys and vertical rods are arranged on the left side and the right side of the lamp holder, so that movement of a pushing rod is more stable, impact force borne by a protection top plate is gradually relieved by continuously stamping a compression spring and a rubber spring, and therefore damage to the lamp holder and internal components of the lamp holder is reduced, and the safety and practicability of equipment are greatly improved; and the use requirements of people are met.

The invention discloses a fabric crease ironing table. The ironing table comprises a workbench, wherein an ironing device and a pick-and-place device are arranged on the upper surface of the workbench; the ironing device comprises a transformer, heating wires and a loop connecting wire; a power supply end is connected to one end of the transformer, and the other end of the transformer is respectively connected with the heating wires; the two heating wires are arranged in parallel; a metal connecting plate is arranged at one end of each heating wire, and is provided with three threaded holes running through the metal connecting plate; the threaded holes are matched with connecting bolts; the end, far from a connecting wire, of each heating wire winds the connecting bolt and forms a closed loop with a loop connecting wire; an elastic element is fixedly connected with the connecting bolt on the side, far from the corresponding heating wire, of each metal connecting plate, and a vertical plate is arranged at the other end of each elastic element. According to the device, the problems of high bending requirement and low manual creasing efficiency of Textilene fabric can be solved, the folding quality and the bending success rate of the Textilene fabric can be improved, and the processing precision can be improved.

The invention discloses a microcomputer five-prevention-based bus voltage parallel circuit misoperation prevention loop, and the loop comprises a microcomputer five-prevention lock BS, a selector switch QK, a segmented or buscouple circuit breaker FDL auxiliary contact, an isolation switch 1G auxiliary contact, an isolation switch 2G auxiliary contact and a bus PT parallel relay BLJ; the other endof the microcomputer five-prevention lock BS is electrically connected with one end of the isolation switch 1G auxiliary contact, the other end of the isolation switch 1G auxiliary contact is electrically connected with one end of the section or bus tie circuit breaker FDL auxiliary contact, and the other end of the section or bus tie circuit breaker FDL auxiliary contact is electrically connected with one end of the isolation switch 2G auxiliary contact; The other end of the isolation switch 2G auxiliary contact is electrically connected with one end of the change-over switch QK, and the other end of the change-over switch QK is electrically connected with one end of a coil of the bus PT parallel relay BLJ; and one contact of the bus PT parallel relay BLJ is short-circuited with two endsof the microcomputer five-prevention lock BS.