284results about How to "Prevent burns" patented technology

The invention relates to a printing machine, in particular to a multiple color press unit type gravure press which overcomes the defects of each assembly structure in the traditional gravure press. The gravure press comprises a board gravure press drying box, a direct pressing type on-off pressure material storing mechanism, a gravure press automatic transversal template adjusting mechanism, a reversing gear box, a scraper trolley and a horizontal swinging roller mechanism. On the whole, through the series technical improvement on each assembly of the multiple color press unit type gravure press, the invention has more reasonable design for the whole machine, enhances the production efficiency, saves the materials, more importantly, enhances the printing quality and improves the product quality.

The invention discloses a method for preparing an electroplated diamond grinding wheel with orderly arranged abrasive materials. The method comprises the following steps of forming orderly arranged blind holes in the surface of a grinding wheel substrate to obtain a processed substrate; subjecting the processed substrate to chemical plating to deposit a metal pre-plating layer on the bottoms and the side walls of the blind holes to obtain a pre-plated substrate; placing the diamond abrasive materials on the surface of the pre-plated substrate and carrying out rolling to embed the lower parts of the abrasive materials into the blind holes, so as to obtain a sanded substrate; activating the sanded substrate and electroplating the sanded substrate to deposit metal plating layers on the surface of the grinding wheel substrate and in the blind holes, thereby finally obtaining the electroplated diamond grinding wheel. According to the invention, the diamond abrasive materials can be regularly and orderly arranged on the surface of the grinding wheel substrate; the holding force of the plating layer to the diamond abrasive materials in the electroplating consolidation step is reinforced; the holding force of the diamond grinding wheel to the abrasive materials is strong; the service life is long; the abrasive materials are regularly and orderly arranged on the surface of the grinding wheel substrate; and the grinding quality and the grinding efficiency are increased. Compared with diamond abrasive materials of a same particle size, the abrasive materials in the invention are advantaged in that the electroplating time is shortened by 20-50% than that in the traditional technique, and the uniformity of the electroplating layer is improved.

The automatic semiconductor chip packaging device specifically comprises a base, a material taking mechanism, a lower die base, a discharging bin and a movable groove, wherein a control panel is installed in the middle of one end of the base; a frame body is installed on one side of the top of the base, and supporting columns are fixed to the two ends of the other side of the top of the base; a mounting plate is fixed to the top ends between the supporting columns, an electromagnetic sliding rail is mounted on the side, close to the frame body, of the mounting plate, a sliding block is arranged in the electromagnetic sliding rail, a material taking mechanism is mounted on the side, close to the frame body, of the sliding block, a hydraulic cylinder is mounted in the middle of the top end of the frame body, and a movable plate is arranged on the frame body below the hydraulic cylinder. According to the automatic semiconductor chip packaging device, through the arrangement of the material taking mechanism, the device can achieve automatic feeding and discharging, the situation that workers are scalded due to the fact that the workers take out the semiconductor chips manually is avoided, the time for waiting for cooling originally is saved, and the working efficiency is greatly improved.

The invention provides a cover opening device of an electric pressure cooker and the electric pressure cooker. The cover opening device comprises an electric driving assembly and a rotary cover opening assembly, wherein the electric driving assembly is arranged on an inner cover of a cooker cover of the electric pressure cooker, the rotary cover opening assembly is rotationally arranged on the inner cover, the rotary cover opening assembly is connected with the electric driving assembly, the electric driving assembly can drive the rotary cover opening assembly to rotate, and the rotary cover opening assembly is connected with a pot cover of the cooker cover of the electric pressure cover and can drive the pot cover to rotate; when the rotary cover opening assembly is rotated to a second setting position, a pot tooth on the pot cover is separated from a pot tooth on a cooker body of the electric pressure cooker; when the rotary cover opening assembly is rotated to a third setting position, the rotary cover opening assembly can be arranged on the inner cover and can be connected with a cooker cover buckle which is connected with the cooker body in a clamping way, the rotary cover opening assembly can drive the cooker cover buckle to move, and thus the cooker cover buckle can be separated from the cooker body. According to the cover opening device and the electric pressure cooker, provided by the invention, the structure is simple, the manufacturing is easy, and the use is convenient and reliable.

The invention discloses an anti-scald faucet and a water dispenser. The anti-scald faucet comprises a faucet body, a push plate and a locking mechanism, wherein the faucet body is provided with a valve element for controlling water discharge, the push plate is rotatably arranged on the faucet body and connected with the valve element for driving the valve element to move, and the locking mechanism is arranged on the faucet body and switches between a locking position and a release position for locking or releasing the push plate. When the locking mechanism is in the locked position, the locking mechanism limits and locks the movement space of the push plate; when the locking mechanism is in the release position, the locking mechanism releases the push plate. According to the anti-scald faucet, the locking mechanism is arranged on the faucet body and switches between the locking position and the release position for locking or releasing the push plate to avoid scald due to touching the push plate by mistake, so that the use safety of the faucet is improved.

The invention discloses an intelligent wearable device, including a dial, a watchband, a control mainboard and at least one electromagnetic element. The dial is provided with a first metal button, the watchband is provided with a second metal button, the at least one electromagnetic element is electrically connected with the control mainboard, the control mainboard is used for supplying power to the at least one electromagnetic element to enable the second metal button to adhere to the first metal button. The control mainboard is also used for cutting power to the at least one electromagnetic element when receiving a cut-off signal, so as to disconnect the second metal button with the first metal button. The intelligent wearable device and the watchband rapid cut-off method provided by the embodiments of the invention can ensure that the watch can be quickly separated from the dial by controlling the board to power off the electromagnetic element quickly when the dial is used for too long or when the temperature is too high due to abnormal usage, thereby preventing a condition that the user is burned due to contact between the bottom of the dial and the user's skin and ensuring the usage safety of the user. In addition, the invention also discloses an intelligent wearable device and a watchband rapid fall-off method.

The invention provides a pressure cooker safety relief device, and relates to the field of household kitchen ware. The pressure cooker safety relief device comprises a conical shell, the inside of theshell is hollow, an opening is formed in the bottom of the shell, a sealing strip is embedded into the bottom of the shell, a groove is formed in the bottom of the sealing strip, an exhaust hole is formed in the outer surface of the shell, a pressure-limiting valve is arranged inside the shell, the top of the shell is communicated with a faucet pipe, a magnetic control device is connected into the faucet pipe, and a supporting spring is connected onto the magnetic control device. According to the pressure cooker safety relief device, permanent magnets have magnetic force, an arc-shaped blockis driven to move down in the pressing process of a pulling handle, the magnetic force of the permanent magnets can drive the pressure-limiting valve to move up when the arc-shaped block moves down toapproach the pressure-limiting valve, high-pressure gas inside a pressure cooker can be exhausted by up movement of the pressure-limiting valve, and the pressure cooker can be more flexibly and rapidly relieved and exhausted.

The invention relates to a gas water heater temperature control method which is characterized by comprising the following steps: collecting the data of the water flow rate entering a gas water heaterin real time, obtaining the fluctuating frequency M of the water flow rate within unit periodic time, if M is equal to or greater than M0, reducing the maximum working current I=aI0 of a proportionalvalve, and at the same time, controlling the current of the proportional valve and the rotating speed of a fan to be adjusted in real time according to the data of the water flow rate, wherein M0 is the high water flow rate fluctuating frequency threshold value, a is a positive number and is greater than 0 and less than 1, and I0 is the standard maximum working current of the proportional valve. According to the gas water heater temperature control method, on the condition that the water flow rate fluctuating frequency is high, the maximum working power of the gas water heater can be limited through reducing the maximum working current of the proportional valve, so that the adjusting amplitude of the proportional valve is limited, the water-out temperature is also limited, a user is prevented from being scalded, and at the same time, the variation amplitude of the water-out temperature is also limited, and the stability of the water-out temperature is improved.

The invention relates to a warming heating bag. The heating bag includes an inner bag body and an outer bag body, wherein the inner bag body is buried in the outer bag body; the inner bag body has 4-5 parts of water and 12-15 parts of quick lime which are separated from each other through a piercing partition layer; and the outer bag body has the follow raw materials which includes, by weight, 20-30 parts of iron powder, 30-40 parts of alums, 6-8 parts of sodium chloride, 7-8 parts of coke powder, 4-6 parts of sodium carbonate, and 3-5 parts of sodium bicarbonate. According to the heating bag, the inner bag body rapidly emits heat so as to provide heat to the alums in the outer bag, the alums decomposes into water molecules as an initiating agent and a solvent, a heating agent in the outer bag body reacts to generate heat, the heating speed and the heating amount of the heating bag can be controlled well, a hot compress surface of the heating bag stays at a suitable temperature for long time, the hot compress effect is good, the heat utilization rate is high, and the warming heating bag is simple and safe to use, and is environment-friendly.

The invention discloses a wearable device and a wrist band quick disengagement method thereof. The wearable device comprises a dial plate, a wrist band, at least one connecting shaft and at least one driving device, wherein the dial plate is internally provided with a control master board. At least one connecting shaft is connected between the dial plate and the wrist band. At least one driving device is arranged in the dial plate and is electrically connected with the control master board and is connected with at least one connecting shaft. The control master board is used for supplying electric energy to at least one driving device when a high-temperature signal is received so that at least one driving device drives at least connecting shaft move for disengaging with the wrist band, thereby realizing disengagement between the wrist band and the dial plate. According to the wearable device and the wrist band quick disengagement method thereof, when dial plate temperature increase occurs, the connecting shaft can be moved for disengaging from the wrist band through making the master board quickly supply electric energy to the driving device, thereby ensuring quick separation between the wrist band and the dial plate, preventing high-temperature scald of a user and ensuring high safety in use by the user.

The invention discloses a drawing workbench for industrial design. The drawing workbench comprises a base. The top outer wall of the base is provided with embedding grooves formed equidistantly and annularly, a drawing board is placed in each embedding groove, and the bottom inner wall of each embedding groove is provided with a receiving groove. A connecting block is welded on the inner wall on one side of each receiving groove, a fixed shaft is welded on the outer wall on one side of the connecting block, the outer wall on one side of the fixed shaft is in sleeve connection with a rotating block, a telescopic rod is fixed on the outer wall on one side of the rotating block through bolts, a rotating shaft is connected with the top end of a telescopic rod extension rod, the outer wall on one side of the rotating shaft is in sleeve connection with a shaft sleeve, a connecting lug is welded on the outer wall on one side of the shaft sleeve, the outer wall on one side of the connecting lug is fixed with the corresponding drawing board through bolts, and a curved baffle is welded to the edge on one side of the top outer wall of the corresponding drawing board. The drawing workbench cannot only achieve heat preservation and heating work for a user, but also improve the use comfort when the temperature is low, and the drawing angle can be flexibly adjusted.

The invention discloses a glass laminating machine for producing vacuum laminated glass. The glass laminating machine for producing the vacuum laminated glass comprises a cooling table and a machine case, two heating chambers and a working chamber are formed inside the machine case, a partition plate and a glass bracket are arranged in the working chamber, supporting layers are arranged on the glass bracket, pressing devices are arranged in each supporting layer, each pressing device comprises a telescopic rod and a mobile pressing block, and a push rod device is arranged on the rear wall of the working chamber and comprises a mounting plate, a movable arm and a suction cup. The glass laminating machine for producing the vacuum laminated glass is simple in structure and strong in practicability; by means of the push rod device, pushing of the glass bracket can be more automated, and use is more convenient and easier; by means of the supporting layers, glass placed on the supporting layers can be heated evenly, the connection tightness between the supporting layers and the glass bracket is improved, the situation that the supporting layers drop out in the moving process of the glass bracket is prevented, the work quality of the laminated glass is improved, the defective rate is decreased, and the comprehensive utilization efficiency is increased.

The invention belongs to the technical field of medical devices and specifically relates to an intelligent traditional Chinese medicine fumigation instrument. The intelligent traditional Chinese medicine fumigation instrument comprises a housing, a fumigation steam generation device and a steam chamber, wherein the fumigation steam generation device is provided with a heater, a fumigation steam pot and a sealing cover; a steam outlet, a water outlet pipe and a water level sensor are mounted in the fumigation steam pot; a water control electromagnetic valve is mounted on the steam outlet and the water outlet pipe respectively; a fumigation bed has steam areas; each of the steam areas comprises a steam room, a thermal insulation material and a temperature sensor; a steam pipe is communicatedwith the bottom of each of the steam areas; a 24V or 12V steam electromagnetic valve is mounted on each of the steam pipes; a control screen is mounted at the upper part of the housing; a controlleris arranged in the housing; the temperature sensors, the steam electromagnetic valves and the control screen are electrically connected with the controller. The intelligent traditional Chinese medicine fumigation instrument is an intelligent combined type traditional Chinese medicine fumigation instrument which can be used for implementing local and whole-body fumigation simultaneously, the temperature of the surface of skin of a treated position can be accurately measured, and the temperature of the steam chamber can be monitored in real time. Therefore, the intelligent traditional Chinese medicine fumigation instrument has good application prospect.

The invention provides a temperature-controlled automatic energy-saving water mixing valve. The temperature-controlled automatic energy-saving water mixing valve comprises a water mixing module, an adjustment module, a water storage tank, a hot water tank and a cold water pipe, the water mixing module comprises a cold water valve and a hot water valve, the adjustment module comprises a reversing shaft, symmetrically runners are arranged in the reversing shaft, a temperature-controlled switch is arranged on the extending side of the adjustment module, an electric rotating device is arranged onthe temperature-controlled switch, and a water drainage pipe is arranged on the water storage tank. According to the temperature-controlled automatic energy-saving water mixing valve, the water temperature detection is conducted on the hot water pipe, so that the cold water is drained into the water storage tank to be stored before the discharge of the cold water at the early stage, after the rising of the water temperature, openings of the cold and hot water pipes are opened simultaneously, the water flows out through the water mixing valve, and the warm water is obtained accordingly.

The invention provides a flashlight control method and a mobile terminal, wherein the control method comprises the following steps of: obtaining a focusing result of an object to be shot by a camera of the mobile terminal when the mobile terminal detects a shooting instruction; and controlling a flashlight of the mobile terminal to reduce brightness when the focusing result is that the object distance and the image distance of a camera lens do not have a pre-set conjugated relationship. By means of the embodiment of the invention, the problems of skin burns or security incidents easily due to flashlight shooting when the mobile terminal is closer to a shot or photographed object can be effectively avoided; and the user experience is improved.

The invention discloses preheating equipment for brass alloy copper bar machining. The preheating equipment comprises a box body; an opening is formed in the upper end of the box body; a box cover matched with the opening is rotatably connected to the upper end of the box body; a driving mechanism for driving the box cover to rotate is installed at the upper end of the box body; two grooves are symmetrically formed in the lower end of the box body; the inner walls of the two grooves are rotationally connected with a two-way lead screw; the side walls, located in the two grooves, of the two-way lead screw are in threaded connection with sliding blocks; the sliding blocks are slidably connected with the inner walls of the grooves; frame openings are formed in the tops in the two grooves; and the upper ends of the sliding blocks are fixedly connected with clamping plates. A motor rotates forwards to drive the two-way lead screw to rotate, then the sliding blocks in threaded connection with the two-way lead screw is driven to slide, the clamping plates fixedly connected to the upper ends of the sliding blocks slide, a heating plate is clamped by the clamping plates, when the heating plate needs to be maintained, only the motor rotates backwards to enable the clamping plates to be away from the heating plate, and the maintenance efficiency of the heating plate is improved.

The invention relates to the mechanical field of tea, in particular to a tea baking machine and a hot air exhaust method thereof. The tea baking machine comprises a cylinder with an inner cavity, anda heating module arranged in the inner cavity; and a hot air outlet communicating with the inner cavity is formed in the top of the cylinder. The tea baking machine is characterized in that the side wall of the cylinder is hollowed; the hollowed part forms a ventilation way; a ventilation port communicating with the ventilation way is formed in the outer wall near the top of the cylinder; the ventilation port is connected with an air blower; an air guide port communicating with the inner cavity is formed in the connecting place of the ventilation way with the side wall, near the bottom, of thecylinder; and a spiral air guide plate extends in the ventilation way from the ventilation port to the air guide port at the bottom of the cylinder in the peripheral direction of the cylinder. The hot air exhaust method comprises the steps of hot air manufacturing, hot air recovery and sequential repeated conduction of the two above steps. The tea baking machine has the beneficial effects of lowself temperature of the cylinder, capability of recovering energy, high resource utilization rate and low energy consumption.

The invention discloses an electric cooking appliance capable of opening and closing a cover by induction and a method for opening and closing the cover by induction. The electric cooking appliance comprises a pot body, a pot cover and a hinge mechanism, and further comprises a controller, an inductor and a cover opening device, wherein the inductor is electrically connected to the controller andused for detecting whether a human body approaches or not, and the cover opening device is electrically connected to the controller and used for opening the pot cover. The method for opening and closing the cover by induction includes the following steps that A1, the controller detects whether an object approaches or not by the inductor; A2, if an object approaches, and the object moves within a preset range, a step A3 is entered; and A3, the controller controls the cover opening device to work, and the cover opening device directly opens the pot cover or turns on a switch. The electric cooking appliance capable of opening and closing the cover by induction has the advantages that manual opening of the pot cover is avoided, the intelligent degree is improved, the situation that hands are scalded is avoided, the structure is simple, the cost is low, and the service life is long.

The invention relates to a water injected microwave antenna. An outer pipe assembly is communicated with an inner pipe assembly; the antenna penetrates through the inner parts of the inner pipe assembly and the outer pipe assembly; the tail end of the antenna is fixed at the inner part of a socket; an inner core of the antenna is also arranged at the front end of the antenna; the outer pipe assembly comprises an outer pipe frame, an outer pipe and a water injection hole; a sliding groove, a movable passageway of the outer pipe frame, and an antenna passageway are arranged on the inner pipe frame in the inner pipe assembly; the sliding groove is arranged on the outer wall of an inner pipe frame; the movable passageway of the outer pipe frame is arranged at the inner part of the inner pipe frame; the outer pipe frame is arranged in the movable passageway of the outer pipe frame; a front plug is installed at the front end of the inner pipe frame; a linking component is arranged in the front plug; and the outer pipe assembly displaces at the outer side of the antenna through the linking component and the inner pipe assembly so as to control the inner core of the antenna to stretch outof the outer pipe or hide at the inner part of the outer pipe. In the invention, the inner core of the antenna can be prevented from falling due to the adhesion between the inner core and skin or tissue after the inner core is heated, and the wall of the outer pipe can also be prevented from scalding the skin of a patient when the microwave antenna is in operation.

The invention discloses a full-automatic intelligent physiotherapy moxibustion instrument and belongs to the field of medical healthcare equipment. The instrument comprises a supporting platform, an electric push rod, a connection mechanism, a smoke purifying mechanism, an ash-proof mechanism and a moxibustion cover, the supporting platform is of a hollow structure, a door plate hinged to the supporting platform is arranged on the side wall of the same, a smoke suction pipe is arranged on the outer side wall of the moxibustion cover, an moxa stick, a positioning component and a cigarette lighter are arranged in the moxibustion cover, the cigarette lighter is fixed on the inner wall of the moxibustion cover, a temperature sensor and a smoke sensor are arranged at a position, close to the bottom, of the inner wall of the moxibustion cover, a controller is arranged in the supporting platform, and the electric push rod, the cigarette lighter, the temperature sensor, the smoke sensor and the connection mechanism are electrically connected with the controller. Certain irritation caused to human respiratory tracts by smoke generated by burning of the moxa stick can be prevented, so that comfort and effect of moxibustion physiotherapy are improved; manual up-down and rotating adjustment of the moxibustion cover is not needed, and manual ignition of the moxa stick is not needed, so thatoverall using safety is improved, and the instrument is high in practicability.

The invention discloses a gastric lavage device for pediatrics which is easy to fine-tune, which comprises a handle bar, a gastric lavage tube and a cleaning solution box. The gastric lavage tube is uniformly provided with a number of concave holes, and cleaning holes are arranged in the concave holes. A dirt storage chamber and a control chamber are provided. The dirt storage chamber is connected to the gastric lavage tube through the first communication hole. A piston is arranged in the dirt storage chamber. One end of the piston is fixedly connected to a spring, and the other end of the spring is fixedly connected to the bottom of the dirt storage chamber. On the side wall, the other end of the piston is fixedly connected to the fixed pulley. There is a wire roller in the control chamber. wall and is fixedly connected to the turntable; the setting of the concave hole of the present invention makes the cleaning hole not directly contact with the wall of the gastric cavity, thereby effectively preventing the cleaning hole from being blocked; the spring can increase the resistance of the piston to move to the right, effectively preventing the piston from being online Under the action of the rope, it suddenly moves to the right, causing excessive negative pressure and secondary injury.

The invention relates to the technical field of backlight plastic frame processing accessory devices, in particular to a backlight plastic frame drying device. Through the backlight plastic frame drying device, an oil paint on a plastic frame can be prevented from adhering, so that the quality of a plastic frame paint layer is improved; the occurrence of the phenomenon that working personnel is scalded by high-temperature air is avoided, so that the potential safety hazard is eliminated, and the practicability is improved; and meanwhile, a volatile organic solvent in the drying process can betreated, so that the pollution caused on the working environment is prevented, the respiratory health of workers is protected, and the use reliability is improved. The backlight plastic frame drying device comprises a base, a left bottom plate, a right bottom plate, a left support plate, a right support plate, a top plate, a front support plate, a back support plate, a pulling rope, a winch, a pulley, a drive gear, a rack, a drying device, a sliding door plate, a support, a fixed pulley, a wire spool, four groups of threaded pipes, four groups of threaded rods, a rectangular frame, multiple groups of square-shaped clamping plates, four groups of ball bearings, a treatment tank, a negative pressure fan, a cotton cloth filter layer, an ultraviolet (UV) photolysis device, an activated carbonfiltration layer and an air pipe, wherein two groups of pothooks are arranged at the bottom ends of the square-shaped clamping plates.

The invention discloses a direct pasting uterus warming paste capable of soothing nerves and relieving pain and a preparation method and an application of the direct pasting uterus warming paste. Theuterus warming paste sequentially comprises an adhesion layer, a graphene layer, a spice layer and a heating layer, the spice layer comprises the following fillers: radix angelicae, cinnamon, folium artemisiae argyi, rhizoma zingiberis, fennel, clove, fructus amomi, and agilawood; the heating layer comprises the following fillers: an iron powder, water, activated carbon, vermiculite, a water-absorbent resin, sodium chloride and ultra-low sulfur expandable graphite. The direct pasting uterus warming paste is a type of drug for external use for the healthcare of women, can be directly pasted onthe skin of the woman, is used directly, has obvious effects, and therefore has the effects of relieving exterior syndrome and dispelling cold, soothing nerves, tranquilizing, promoting qi circulationand relieving pain, and is more favorable for alleviating the dysmenorrhea symptoms of women.

The invention discloses a die casting conveying device, and relates to a conveying device. The die casting conveying device comprises a frame mounted on the ground, two first rotating shafts rotationally connected to the two ends of the frame, multiple second rotating shafts slidingly connected between the two sides of the frame, multiple chain wheels uniformly distributed on the first rotating shafts and the second rotating shafts, multiple chains engaged with the chain wheels positioned on the same vertical surface, multiple metal strips arranged on all the chains at equal intervals, a motorarranged on one side of the frame and connected with one first rotating shaft through a motor shaft, an air cooling mechanism arranged rightly above the frame and used for accelerating the flowing speed of air on the surfaces of die castings, and a stacking mechanism arranged at the tail end of the frame and used for taking down the die castings from the frame to stack. The die casting conveyingdevice achieves the effect of preventing damage of the conveying device by the die castings with higher temperature.

The invention belongs to the technical field of feeding and blanking equipment, and discloses a feeding and blanking device with a cutting function. The feeding and blanking device comprises a cuttingmechanism, a feeding mechanism and a conveying mechanism; the cutting mechanism can cut a tape feeder to form mutually separated workpieces; the feeding mechanism can move the tape feeder onto the cutting mechanism; the conveying mechanism and the feeding mechanism are respectively arranged at an upstream and a downstream of the cutting mechanism; and the conveying mechanism can pick up and convey the workpieces to an injection molding machine, and take out finished products and wastes after accomplishing injection molding from the injection molding machine. Compared with a manual operation way in the prior art, the feeding and blanking device disclosed by the invention is continuous and uninterrupted in production, the production time is saved, and the production efficiency is effectively improved.

An energy-saving anti-scald system for an IC card swiping water intake device, comprising a microprocessor and an IC card reader-writer connected to the microprocessor, a metering device and a valve controller, the IC card reader-writer reads the information of the IC card, If it is legal and valid information, the microprocessor outputs a signal to make the valve controller open the valve to supply water. If the IC card information is read for the first time, when the IC card information is read for the second time within the set time, The microprocessor output signal makes the valve controller close the valve to stop the water supply, and the metering device measures the water supply and stores it together with the IC card information; if the IC card information is read for the third time or more, the microprocessor The output signal of the device makes the valve controller open the valve to supply water, and the water supply is the metered water supply of the IC card stored in the microprocessor. The invention can save water resources and prevent drinking water waste; meanwhile, it can effectively avoid the occurrence of burns.

The invention discloses a nodular cast iron cooling device, and belongs to the technical field of iron castings. Through the device, the problems that nodular cast iron is difficult to salvage duringcooling, and the cooling effect is reduced due to continuous temperature rise of cooling water are solved. According to key technical points, the device comprises a cooling water tank, a water spraying table, a bearing table and a circulating water pipe, wherein a cooling water trough is formed in the cooling water tank, the bearing table is arranged in the cooling water trough, a lifting mechanism is installed at the bottom of the bearing table, the water spraying table is arranged on the inner wall of the upper portion of the cooling water tank, and a plurality of water spraying holes are formed in the inner side face of the water spraying table. According to the device, the liftable bearing table is arranged in the cooling water tank, the water spraying table is arranged on the inner wall of the upper portion of the cooling water tank, the circulating water pipe communicates with the cooling water trough, therefore, taking and placing of nodular cast iron are facilitated, and a scald caused by splashing of hot water generated when the nodular cast iron is directly put into water or a hot steam scald is avoided; and moreover, cooling water cyclically flows and is sprayed, so thatcontinuous rising of the water temperature in the cooling water trough is avoided, continuous cooling is realized, and the cooling effect is obvious.

The non-contact-type plastic pipe hot-melting connector disclosed by the invention comprises a main body; a power cavity is formed in the main body, a storage cavity with a forward opening is formed in the inner wall of the front side of the power cavity in a communicating mode, a positioning shaft is rotatably connected between the left inner side wall and the right inner side wall of the storagecavity, and a fixed gear is fixedly connected to the positioning shaft; and an electric heating plate is fixedly connected to the outer circular surface of the fixed gear. The concentricity of the axis of a pipe fitting and the axis of a pipe is guaranteed by using two clamping devices with the axes located on the same straight line, the pipe fitting and the pipe are connected through opposite movement of the two clamping devices, and then the integrity of a joint is guaranteed; and in the melting process, people do not need to make contact with the pipe fitting and the pipe, the situation that two hands of people are scalded is avoided while the working efficiency is improved, personal safety is improved, and then the working efficiency is improved.

The invention discloses a handheld portable cleaning machine with a dual-liquid-cooling pump. The handheld portable cleaning machine with the dual-liquid-cooling pump comprises the pump and a shell. The pump is driven by a motor and comprises a pump water inlet and a high-pressure water outlet. The shell wraps the pump and the motor in a sealing mode. The pump comprises at least one plunger, an inclined disc and a pump case. The inclined disc is driven by the motor to drive the plungers to move along the straight line. The pump case comprises a sealed cavity. The sealed cavity holds the plungers, the inclined disc and a lubricating cooling agent. The pump case comprises at least one cooling channel, a water inlet and a water outlet. The water inlet communicates with one end of each coolingchannel, and the water outlet communicates with the other end of each cooling channel. The water inlet is connected with an external water source, and the water outlet is connected with the pump water inlet. The handheld portable cleaning machine with the dual-liquid-cooling pump has the beneficial effects that the cooling conducted by flowing water located outside the pump is additionally arranged as the cooling conducted by the cooling agent located inside the pump, dual liquid cooling with the features of inside and outside combination and circulation and non-circulation combination is achieved, and therefore the pump body cooling problem can be thoroughly solved, and the service life of the pump is greatly prolonged. In addition, the situation that a human body is scalded in the usingprocess is avoided, and the handheld portable cleaning machine with the dual-liquid-cooling pump is safer in the using process.

The invention relates to a temperature control method of a water heating electric appliance. The control method comprises the steps that water is controlled to flow into a waterway in the water heating electric appliance, and a heater in the water heating electric appliance is controlled to work so as to stabilize the water outlet temperature at a set preset temperature T0; then the heating poweris improved, the outlet water temperature is controlled to stably rise, the outlet water temperature T is detected in real time, when the temperature rising speed of the outlet water temperature T suddenly changes, it is judged that water in the heating electric appliance is boiled, and then the temperature before the temperature rising speed suddenly changes is determined as the boiling temperature W. According to the temperature control method of the water heating electric appliance, the actual boiling point of the water heating electric appliance can be accurately determined, that is, the water heating electric appliances installed in different areas can obtain more accurate actual boiling point temperature values, and compared with a boiling point temperature value simply calculated according to altitude information of the place where the water heating electric appliance is located, the method has the advantages that the influence of other factors on the boiling point temperature can be avoided, and the accuracy is higher.