135 results about "Electric heating" patented technology

The invention provides a control method and system of a compressor electric heating band in an air conditioner, wherein the control method comprises the following steps of: detecting the air exhaust temperature of a compressor or the outdoor environment temperature of the air conditioner when the air conditioner is at the standby condition, and comparing the detection temperature value and the setting value, and controlling the starting and closing of the compressor electric heating band under the standby condition according to the compared result. The control system comprises a first sensor, a second sensor, a first control module, a comparison module and a relay, wherein the first sensor detects the outdoor environment temperature; the second sensor detects the compressor air exhaust temperature; the first control module enables the first or the second sensor to operate in the standby state of the compressor, and is respectively connected with the first sensor and the second sensor electrically; the comparison module is used for comparing the detection value and the setting of the first or the second sensor, and is electrically connected with signal output ends of the first sensor and the second sensor; and the relay controls the starting and closing of the electric heating band, an input end of the relay is electrically connected with a signal output end of the comparison module, and an output end of the relay is electrically connected with the electric heating band. According to the invention, the standby power consumption of the air conditioner can be lowered.

The invention relates to a concrete sample curing room which consists of a laboratory as well as a microcomputer, a temperature sensor, a humidity sensor, a constant temperature and humidity box and an air flue that are arranged in the laboratory, wherein the microcomputer is respectively connected with the temperature sensor, the humidity sensor and the constant temperature and humidity box which is internally provided with a hermetically sealed compressor, an electric heating pipe, an ultrasonic humidifier, a centrifugal fan and an evaporator; an air outlet of the constant temperature and humidity box is connected with the air flue; the temperature sensor monitors the temperature in the constant temperature and humidity box and transmits a temperature signal to the microcomputer; the humidity sensor monitors the humidity in the constant temperature and humidity box and transmits a humidity signal to the microcomputer; the microcomputer controls the ultrasonic high-frequency oscillation, converts the water fog into ultramicrons with the particle size of 1-5 microns, diffuses the water fog into the air through a pneumatic device, and guarantees the even indoor temperature and humidity through setting pipeline fog sending and blowing manners; the air transmitted by the centrifugal fan blows the fog of the ultrasonic humidifier to everywhere of the constant temperature and humidity box through the air flue.

The invention relates to a cooking method and system based on a cooking model, and the system comprises an electric heating cooking appliance. The electric heating cooking appliance is provided with a central controller. The electric heating cooking appliance is at least correlated with a control step of main variable parameters. The main variable parameters comprise the identity characteristics of a main food material, the amount of the main food material and a cooking personalized target. The cooking personalized target comprises the type of a food which a user wants to get and/or the personalized demand content of taste. The system obtains the main variable parameters through a man-machine interaction interface, and generates a specific dynamic cooking model according to the main variable parameters. The dynamic cooking model also comprises the control steps of a cooking pressure, cooking power, cooking temperature or cooking time, which are all configured to be corresponding to the main variable parameters. A central controller carries out the cooking control of the electric heating cooking appliance according to the steps determined by the dynamic cooking model. Therefore, the personalized demand of a user is taken as the center for setting a control program and steps, thereby achieving the active dynamic intelligentization.

The invention discloses a magnetic nano particle magnetic-induction thermal focusing system based on a complex magnetic field, comprising a device for generating an alternating magnetic field and magnetic nano particles, wherein the device for generating the alternating magnetic field generates the alternating magnetic field; the magnetic nano particles are dispersed in the alternating magnetic field; the magnetic nano particle magnetic-induction thermal focusing system also comprises at least two permanent magnets which are distributed at the two sides of the device for generating the alternating magnetic field, and the same poles are opposite; and the distances from the permanent magnets to the central line of the device generating the alternating magnetic field are approximately equal. In the magnetic nano particle magnetic-induction thermal focusing system, the accurate control of the magnetic nano particle heat effect and selective temperature increasing of local positions in areas dispersed with magnetic nano particles are realized, the cost is lower, and the selective heating on tumor areas can be realized, so that the damage of thermal therapy to the normal tissues is relieved. The magnetic nano particle magnetic-induction thermal focusing system also can be applied in selective heating to areas of chemical reaction systems, so that the purpose of controlling the chemical reaction rate is achieved.

The invention relates to a method for controlling a group of glow plugs for a diesel engine, which are connected to a direct current supply by individual supply lines and operat by a pulse width modulation method in any case at the same temperature in the time average. The inventive method consists in calculating the electric resistance of the glow plugs, in subtracting the resistance of the plug glowing element supply line therefrom during the engine operation for calculating a relative pulse width with which the glow plugs are controlled or in determining for each glow plug the resistance of the glowing element thereof during the engine operation, thereby making it possible to calculate the individual relative pulse width for individually controlling each glow plug or also to determine the electric energy supplied by period to the glow plugs by means of the pulse width modulation.

The invention provides an aligning lamination pressing machine of a semi-automatic reinforcing sheet of a flexible printed circuit board. The aligning lamination pressing machine comprises a base, wherein a movable die is arranged on the base; the movable die comprises a bottom plate; an upward-extended guide post is arranged on the bottom plate; a fixed template is fixedly arranged at the upper end of the guide post; a movable template which is located below the fixed template is arranged on the guide post in a sliding and penetrated manner; a die air cylinder which is located below the movable template is further arranged on the bottom plate; a piston rod of the die air cylinder is connected with the movable template; a reinforcing sheet die groove is arranged on the fixed template; an ejector needle is arranged on the movable template; the ejector needle corresponds to the reinforcing sheet die groove, and can extend into the reinforcing sheet die groove; a pressing lathe is further arranged above the movable die; an electric heating mechanism is arranged in the pressing lathe; a pressing lathe air cylinder is arranged above the pressing lathe; a piston rod of the pressing lathe air cylinder is connected with the pressing lathe; a bracket is arranged on the base; and the pressing lathe air cylinder is arranged on the bracket. The invention provides the aligning lamination pressing machine of the semi-automatic reinforcing sheet of the flexible printed circuit board, which can automatically carry out patching treatment, greatly improves the production efficiency, and ensures the product quality.

The invention discloses a composite shaping technique method of iron pattern coated sand and an iron type core assembly. The composite shaping technique method relates to the technical field of casting. The composite shaping technique method comprises the following steps: manufacturing an upper casting model; sheathing a heated spare part iron pattern to the outside of a spare part electric heating die sample; jetting film-coated sand into between the part iron pattern and the part electric heating die sample by a sand coating machine, solidifying the film-coated sand to be 6-8 mm thick sand shell and adhering on the iron pattern; stripping and taking out the film-coated sand for spare use; manufacturing a film-coated sand core; jetting the film-coated sand in a part electric heating core box, solidifying the film-coated sand in the part electric heating core box and forming the film-coated sand core; manufacturing a lower casting model of the part; putting a combined film-coated sand core in the iron pattern to shape and glue, thereby obtaining the lower casting model of the part; combining the upper casting model with the lower casting model of parts, forming the part casting model; casting, cooling; separating and taking out the parts. Compared with the prior art, hardness of every part of the part cast by the composite shaping technique method is uniform and free from a phenomenon of high hardness.

The invention discloses a remote control electric water heater fault diagnosis system which comprises an electric water heater control device. The electric water heater control device comprises a controller which is connected with a WIFI module, an electrical leakage monitoring circuit, a heating fault detecting circuit used for detecting faults of an electric heating pipe and a driving circuit, a water temperature sensor fault detecting circuit and an environment temperature sensor. The WIFI module is in wireless connection with a router, the router is in wireless connection with user terminal equipment and a network server, the electrical leakage monitoring circuit is connected with the electric heating pipe, and the water temperature sensor fault detecting circuit is connected with the water temperature sensor. According to the remote control electric water heater fault diagnosis system, fault diagnosis is conducted on an electric water heater device, fault problems are transmitted to an after-sale service system of the network server to be recorded and analyzed through the WIFI module, and relevant fault information is sent to the user terminal equipment.

The invention discloses manually-positioning intermittent edge ironing equipment for shoes. The manually-positioning intermittent edge ironing equipment comprises a body. A supporting rod is arranged on one side of the upper end of the body, an electric heating block is fixedly connected to the top end of the supporting rod through an electric telescopic rod, a work pool is arranged in the middle of the upper end of the body, an adjusting threaded rod is penetratingly arranged in the middle of the sidewall of an inner cavity of the work pool, and a controller is arranged at one end of the sidewall of the body. The manually-positioning intermittent edge ironing equipment for the shoes has the advantages that under the action of the adjusting threaded rod, a shoe product can be well fixed and cannot deviate and waggle during processing, so that shoe product processing quality is improved; an arc air absorbing plate is capable of absorbing heat, dust and odor produced during shoe product processing, so that an working environment of operation personnel is improved, and health of the operation personnel is guaranteed; electromagnetic valves make intermittent operation possible, and accordingly resource loss rate is decreased and high practicality is achieved.

The invention relates to a device for testing a contamination characteristic of a segmental temperature control coal burning boiler. The device comprises a hearth and a flue, wherein the lower end of the hearth is connected with a combustor for spraying coal powder and an opposed air pipeline; the combustor is connected with a primary air inlet pipeline and a secondary air inlet pipeline respectively; the primary air inlet pipeline and the secondary air inlet pipeline as well as the opposed air pipeline are communicated with an air blower respectively; a heat preservation layer is arranged on the outer side of the hearth; a plurality of electric heating elements are arranged on the wall of the hearth in a segmental manner; segmental cooling clamping sleeves are arranged outside the flue; the tail of the flue is connected with a heat exchanger; and a plurality of test holes are formed in the hearth and the flue. The device can simulate various temperature situations of the hearth of the actual boiler, so that the stability and the flexibility of a test system are improved; by adopting segmental electric heating, the hearth can be stabilized at test required temperature; by adopting the segmental cooling clamping sleeves, the smoke temperature in the flue can be precisely controlled in a required range, and environments at different positions of the flue in the actual boiler can be simulated; and the contamination characteristic of the coal powder in different smoke temperature regions is convenient to research.

An aromatic nebulizing diffuser includes an inner housing, an outer housing having an outer surface area of diamond cut facets and a center hole by which the outer housing is detachably mounted around the inner housing, a thermally conductive container mounted in the inner housing, an electric heating element mounted at the bottom side of the thermally conductive container, and an angle-adjustable electrical plug electrically coupled with the electric heating element for connection to an external power outlet and allowing adjustment of the angular position of the inner housing and the outer housing relative to the angle-adjustable electrical plug to the desired angle.

The invention discloses a micro-pressure steam rice cooker. The best method for steaming food is adopted: after a proper amount of water is introduced into the bottom of an outer pot (2), an inner pot (3) in which rice and water are contained is placed in the outer pot (2), a steamer (6) is placed on the inner pot (3), a sealing ring (5) on the upper part of the inner pot (3) is locked, food to be steamed is placed in the steamer (6) if the food is required to be steamed on the steamer (6), an electric heating device (11) is started to heat the outer bottom of the outer pot (2) after the steamer is covered with a steamer lid, the water in the bottom of the outer pot (2) is heated to generate micro-pressure steam, a micro-pressure steam valve (4) is opened to cause the micro-pressure steam to enter the inner pot (3) for cooking, and after the water in the inner pot (3) is completely absorbed by rice, the micro-pressure steam continues entering the inner pot (3) to steam the rice thoroughly, so that the rice tastes fragrant and sweet after being gelatinized. The rice is sequentially cooked and steamed by automatic conversion, the rice which is steamed thoroughly is most delicious, and a rice effect which cannot be achieved by any current advanced intelligent rice cooker is achieved.

The invention discloses an environmental protection energy-efficient electric heating mechanism comprising a heating barrel; the heating barrel bottom side inner wall is fixedly provided with a heater; one side of the heating barrel is fixedly provided with a dispose box; the inner wall on one side, close to the dispose box, of the heating barrel is provided with a rotary hole; a rotary rod is arranged in the rotary hole in a rotary manner; one end of the rotary rod extends into the heating barrel, and annularly evenly welded with a plurality of blades; one side of the blade is welded with a material slot; one end, far away from the blade, of the rotary rod extends into the dispose box, and welded with a gear; the gear is movably placed in the dispose box; the bottom inner wall of the dispose box is provided with a slide groove. The environmental protection energy-efficient electric heating mechanism is simple in structure, easy to use, can automatically and intelligently heat heated materials, and can regulate the temperature of the heated material when being stored, thus satisfying user usage demands.

The invention discloses a method for shrinkage fit of a protective ring of a 50kW ultrahigh-speed permanent magnetic generator rotor. The method comprises the following steps: processing a supporting plate, setting the supporting plate, setting the protective ring, adjusting the coaxiality of a magnetic yoke and the protective ring, heating the protective ring and performing the shrinkage fit on the protective ring. According to the method disclosed by the invention, a track type electric heating blanket is used for heating the protective ring, and can be used for continuously heating for heat preservation during the shrinkage fit of the protective ring, so that the requirements of the shrinkage fit of the protective ring is satisfied.

The invention relates to a cleaning device, in particular to a household cleaning device for glass tiles. The technical problem to be solved by the invention is to provide a household cleaning device for glass tiles. In order to solve the above technical problem, the household cleaning device for glass tiles comprises a bottom plate, wheels, a washing tank, a water tank, a push hand, a casing, electric heating wires, a stirring device and the like. The wheels are mounted on the left side and the right side of the bottom of the bottom plate; the washing tank, the water tank and the push hand are connected with the top of the bottom plate from left to right in sequence; the electric heating wires are arranged on the right side of the bottom inside the water tank, the casing is arranged outside the electric heating wires, the stirring device is connected with the upper part of the right wall inside the water tank, a cleaning device is arranged on the left side of the internal of the water tank, and a third through hole is formed in the upper part of the left wall of the water tank. By means of the household cleaning device for glass tiles, the effect of convenient cleaning and high cleaning efficiency is achieved, water and cleaning liquid are fully mixed through the stirring device so that the effect of cleaning the glass tiles can be better, and meanwhile, a cover plate covers the water tank.

The invention belongs to the field of medical instruments and relates to a gynaecologic sit-washing apparatus. The gynaecologic sit-washing apparatus mainly comprises a sit-washing basin, a gynaecologic washing unit, a hip-washing unit, a heating lamp, a blower and a remote control; the sit-washing basin comprises an outer shell, an inner liner, a reagent pump, an electric heating wire, a temperature sensor, a controller and a voltage stabilizer; the inner liner is installed in the outer shell, the reagent pump, the controller and the voltage stabilizer are installed on the upper surface of the bottom of the outer shell, the electric heating wire is wound on the outside of the inner liner, and the temperature sensor is installed on the lower surface of the inner liner. The gynaecologic sit-washing apparatus is simple in structure, convenient in use, comprehensive in function and capable of performing comprehensive washing of female patients and heating-lamp treatment; the inner liner can be heated in constant temperature to ensure that medicine liquid inside the inner liner does not stimulate the patients; the gynaecologic sit-washing apparatus is high in digitization level and easy and accurate for the patients to control.

The invention relates to a medicine heating and drying device which comprises a machine shell, chain plates, a hopper and a discharge opening. An electric heating tube is installed on the inner wall of the machine shell, the hopper is installed on the top of the machine shell, and the discharge opening is formed in the bottom of the machine shell. A plurality of layers of chain plates are horizontally and rotationally installed in the machine shell. The hopper is communicated with the chain plate on the uppermost layer, and the discharge opening is communicated with the chain plate on the lowermost layer. Medicine to be dried enters the machine shell from the hopper, then passes all the layers of chain plates and is dried and finally discharged out of the heating and drying device from the discharge opening. According to the medicine heating and drying device, continuous manual stir-frying is replaced with the mode that the chain plates move layer by layer for drying and heating, it is guaranteed that the medicine is evenly dried, and work efficiency is improved.

The invention discloses a pressure switch state detection circuit, a circuit board and an electric heating product with the circuit board. The pressure switch state detection circuit comprises a power source, a zero-cross detection circuit, a relay, a load, a voltage detection circuit and a pressure switch; the input end of the zero-cross detection circuit is connected to the power source, and the output end of the zero-cross detection circuit is connected with a zero-cross signal detection terminal ZERO of a control chip; one end of the relay is connected to the power source, and the other end of the relay is connected with one end of the load; the other end of the load is connected to the input end of the voltage detection circuit; the input end of the voltage detection circuit is further connected to the pressure switch, and the output end of the voltage detection circuit is connected with a voltage detection signal input terminal AD-V of the control chip; one end of the pressure switch is connected to the power source, and the other end of the pressure switch is connected to the input end of the voltage detection circuit. According to the pressure switch state detection circuit, the zero-cross detection circuit (Zero-Cross) is connected to the upper end of the relay, the pressure switch K1 is connected to the other end of a heater, and the voltage detection circuit is connected between the heater and the pressure switch K1. Detection of various signals is achieved through time-sharing detection and combined judgment, and therefore the pressure switch state detection circuit is simple.

The invention discloses a portable electric heating steam cleaning machine and relates to the technical field of steam cleaning. A cleaning box is included. A transmission box is fixed at a top of thecleaning box. An electric heating water tank is mounted on the cleaning tank. The electric heating water tank is connected with a conveying pump through a pipeline. A lifting sleeve plate is arrangedon the cleaning box. A screen plate for supporting an object is horizontally fixed in the cleaning box. A lifting mechanism used for driving the lifting sleeve plate to vertically ascend and descendis arranged in the transmission box. Through arrangement of a first cleaning mechanism and a second cleaning mechanism, objects in the cleaning box are rotatably cleaned; under a transmission effect of a transmission mechanism, rotating directions of a dispersing barrel and a cleaning rotating frame in the first cleaning mechanism are opposite so that the objects can be fully and comprehensively cleaned, steam generated by the electric heating water tank is conveyed through a conveying pipe and then is sprayed out from a spray head along with rotation of the dispersing barrel, and a full high-temperature steam cleaning effect on the objects is achieved.

The invention discloses sewage and sludge separation treatment equipment, belongs to the technical field of sewage and sludge separation treatment, solves the problem of poor separation treatment effect of existing sewage and sludge treatment equipment. The equipment is technically characterized in that the equipment comprises a first treatment box, wherein sewage and sludge enter the first treatment box, a first motor is started, and reciprocating crushing of a crushing toothed plate is achieved, the crushing roller can perform the crushing again, a magnet can adsorb magnetic iron scraps, and a second cam rotates to achieve reciprocating vibration of a first filter screen; a third motor operates to achieve continuous rotation of stirring blades on a U-shaped stirring rod, the mixing effect is better, water is adsorbed and sterilized through a sterilization and odor suppression layer and a purification and disinfection layer, and discharging is convenient; sludge is placed in a second treatment box through material conveying blades on a first material conveying shaft, a fourth motor drives a crushing cutter on a second stirring shaft to crush, blowing fan blades rotate to generate wind which is blown to an electric heating wire for drying, the material conveying blades on a second material conveying shaft rotate to convey materials, and the sludge separation treatment device has the advantage of being good in separation treatment effect.

The invention relates to an electric heating pipe capable of accurately controlling temperature. The electric heating pipe comprises an outer protecting pipe, a temperature controller, a heating wire, a conductive bar and a ceramic pipe, wherein the outer protecting pipe is filled with magnesia powder; the heating wire and the conductive bar are both arranged in the outer protecting pipe; the heating wire is connected with the conductive bar; the conductive bar passes through the ceramic pipe arranged at one end of the outer protecting pipe, and is fixed through nuts; the temperature controller is arranged in the outer protecting pipe, is connected with the heating wire, and comprises a main temperature controller body and a temperature controller shell. The electric heating pipe is capable of accurately controlling temperature, so that liquid is heated to a certain temperature; the constant temperature requirement is achieved; over-temperature protection on a medium is achieved when the electric heating pipe is applied to liquid heating.

The invention discloses a powder-passing apparatus for a cable. The powder-passing apparatus comprises a bracket, a powder-passing box and a sealing cover, wherein the powder-passing box is mounted on the bracket; the sealing cover is mounted above the powder-passing box and connected with the powder-passing box through a hinge; a rotary shaft, an electric heating plate and brushes are mounted in the powder-passing box; helical blades are mounted on the rotary shaft; a motor is mounted on the bracket; the main shaft of the motor is fixedly connected with the rotary shaft; a powder collecting box is mounted on the bracket; and the powder collecting box is connected with the powder-passing box through a material pipe. According to the powder-passing apparatus disclosed by the invention, the rotary shaft, the brushes and the electric heating plate are mounted in the powder-passing box; the rotary shaft can perform stirring on talcum powder by mounting the helical blades to enable the talcum powder to be uniformly coated so as to ensure the coating quality; a material collecting box is mounted behind the powder-passing box, and the powder-passing box and the material collecting box are connected with the powder collecting box through the material pipe, so that cyclic utilization of talcum powder can be realized and waste of raw materials can be reduced; and the sealing cover is mounted on the powder-passing box, so that flying dust can be avoided, and environmental pollution can be reduced.