110results about How to "Realize automatic heating" patented technology

The invention relates to a magnetic control type steaming / boiling variable electric cooker which comprises a cooker body, a cover body, a cooker shell, a control panel and a power supply socket, wherein the cover body can close the cooker opening; an electric heating tray, a control circuit board and a temperature control sensor are arranged in the cooker shell; and the control panel and the power supply socket are arranged on the cooker shell. The invention is characterized by also comprising a filter frame which can be arranged in the cooker body; the side wall of the filter frame is provided with a magnetic block; a lifting magnet block, which is actuated with the magnetic block on the side wall of the filter frame in the cooker body and can operate up and down, is arranged outside the cooker body; and the filter frame in the cooker body can synchronously move up and down along with the lifting magnet block outside the cooker body. The magnetic control type steaming / boiling variable electric cooker has the advantages of scientific design, reasonable structure, reliable movement and high safety. The filter frame arranged in the cooker body can flexibly move up and down under the control of the control circuit according to needs. The magnetic control type steaming / boiling variable electric cooker can conveniently switch between two heating modes, i.e. boiling and steaming. If the cooker is provided with a corresponding computer operation control program, the raw material and water can be mixed or solid food and liquid food can be separated in due time, so that the cooker can be used for automatically steaming or boiling various foods.

The invention provides an automatic food heating and vending machine comprising an automatic food heating and vending machine body and a food heating system, wherein the food heating system is built in the automatic food heating and vending machine body and is used for automatically heating food. By means of the technical scheme of the invention, no matter a consumer purchases food in any form, the food can be automatically heated, moreover, the operation is simpler and safer, and the heated food can be obtained more quickly and directly, thereby improving the consumer experience and reducing the heat preservation energy consumption at the same time.

The invention relates to the technical field of intelligent running equipment, in particular to an intelligent wearing device for monitoring foot sports. The intelligent wearing device is characterized by comprising a body treaded under the foot after being worn, a signal processing module, a signal transmission module and a display module. The body of a foot sole area and the body of a heel area are provided with at least one flexible film pressure sensor, and the signal processing module receives pressure signals of the flexible film pressure sensor and converts the pressure signals into display signals and transmits the display signals through the signal transmission module to the display module for display. The wearing device can be an insole, a pair of shoes or a pair of stockings, foot force applying conditions can be monitored in real time, the intelligent wearing device has a step calculation function and analyzes the collected pressure signals within a certain time period, clients can be helped to adjust incorrect walking and running gestures, movement strain such as running knees is effectively prevented, and users are guided to run safely and scientifically.

The invention discloses a process for UASB (Upflow Anaerobic Sludge Blanket) treatment on landfill leachate. The process specifically comprises the following steps: collecting landfill leachate generated in a landfill area by using a collection pipeline, separating solid impurities by using grids, feeding into a leachate adjusting pond, enabling an adjusting tank effluent to flow into a hydrolysisacidification pool, and feeding a hydrolysis acidification pool effluent into a screen net pond for treatment; lifting a screen net pond effluent into a UASB anaerobic reactor by using a pump, carrying out anaerobic treatment on the leachate by using the UASB anaerobic reactor, further feeding into a two-stage A / O (Anareobic-Areobic) biochemical reaction pond, lifting the leachate after biochemical treatment into an ultrafiltration system, a nanofiltration system and a reverse osmosis membrane system by using a lifting pump, carrying out treatment, and recycling or discharging after emissionstandards are met. Due to adoption of a heating system in the UASB anaerobic reactor, automatic heating can be carried out in the anaerobic reaction process, a blending tank does not need to be heated, and thus the cost can be reduced.

The invention relates to the technical field of vending machines, in particular to an automatic vending machine with function of automatic food heating. The automatic vending machine comprises a container and a heating cabinet. A heat insulating material is arranged around the container body; a cabinet body wall with a heat insulating door is arranged between the container and the heating cabinet;and multiple shelves are arranged inside the container. Transport mechanisms that can move up and down are arranged at the left and right panels of the fronts of the shelves. A heating device is arranged on the inner wall of the upper part of the heating cabinet; a processing device is arranged on the inner wall of the lower part of the heating device; and the heating device and the processing device have a connection relationship. A cooling module is arranged on the inner wall, adjacent to the processing device, inside the heating cabinet. Therefore, the instant high-temperature steaming, water heating or microwave heating can be realized; the fully automatic operation is realized; no manual intervention operation processing is needed; and the automatic selling and heating effects are good and rapid. With the cooling module, the sold food can be preserved to be fresh at ordinary time.

The invention relates to the technical field of plastic product production, and particularly discloses a hot press for processing dots on the surface of a light guide plate. The hot press comprises a rack, a manipulator, a transmission mechanism, a roller set, an output tape, a triaxial mechanism and a transmission supporting frame, wherein a base, a roller supporting frame and a lifting block are arranged in the rack; a hydraulic device is arranged in the roller supporting frame; the bottom of the lifting block is in contact with the top of the hydraulic device; die tapes are arranged on the outer sides of rollers in the roller set, and are made of an inert material with high rigidity, high strength, high thermal conductivity and low expansivity; the using times of the die tapes is maintained to be more than 100,000; the interiors of roller shafts are heated automatically, the temperature monitoring is carried out through a monitoring system, and the technical indexes need maintaining through accurate constant temperature; pressure required in product processing is ensured through adopting the linear scale of the product to finely adjust and set equipment distances, and two-stage adjustment of coarse adjustment and fine adjustment are realized; the technical indexes can be adjusted after the equipment distances are stably maintained.

The invention relates to a cooking device. The cooking device includes a base frame, a cooking pot and a stirring mechanism; the cooking pot includes a pot body and a heating base, the pot body is set on the heating base, and the heating base is rotatably set on the base on the frame; the stirring mechanism includes a control platform and a stirring assembly, the control platform is fixed on the base frame, the stirring assembly includes a stirring arm and a stir-frying piece, and the stir-frying piece is set on the One end of the stirring arm protrudes freely in the pot body, and the other end of the stirring arm is connected with a driving mechanism, and the driving mechanism is arranged in the control machine; the control machine is also provided with an operation control plate, the driving mechanism is connected with the operation control plate and is used to drive the stirring arm to rotate so as to drive the stir-frying piece to rotate closer to or away from the pot body. The cooking device can automatically stir-fry meals, is easy to use, has high cooking efficiency, and can improve the quality of meals.

The invention provides an automatic water pouring device. The automatic water pouring device comprises four table legs, hinge joints, a tabletop, a rotary table, an electromagnetic heater, a protection device, an intelligent kettle, an air outlet, a filter, a telescopic bent pipe, a quick joint, a servo motor and eight positioning grooves. The automatic water pouring device is characterized in that the hinge joints are fixed to the bottom of the tabletop through screws, each table leg is connected with the corresponding hinge joint through an unthreaded shaft, the tabletop is supported by the four table legs, and the rotary table is mounted in the middle of the tabletop; the protection device is mounted on the electromagnetic heater which is mounted on the rotary table, the intelligent kettle is mounted in the protection device, and the air outlet is formed in the center of the upper portion of the intelligent kettle; the filter is connected with the intelligent kettle through a common water pipe, the telescopic bent pipe and the quick joint are in threaded connection with the common water pipe, the servo motor is fixed to the bottom of the tabletop and connected with the rotary table, and pressure sensors are arranged in the eight positioning grooves uniformly distributed in the tabletop. The automatic water pouring device has the advantages that automatic water pouring can be realized when water in cups is too little, automatic water adding can be realized when water in the intelligent kettle is too little, and automatic heating can be realized when water temperature is too low, so that a host is free of constantly pouring water for guests and heating water in the kettle when people get together for chatting.

The invention provides an automatic warming method of a computer under low temperature, which takes a singlechip inside a system as a core of an integral warming control system, the singlechip controls a heating module to work by processing temperature information transmitted by a sensor, and the heating module is isolated from the singlechip through a power supply isolation module to ensure a computer to be smoothly warmed. The automatic warming method comprises the following steps: when the computer is started, the singlechip firstly receives temperature data transmitted by the sensor, if the temperature is lower than a set value, the singlechip sends no staring signal but starts to warm, and then a warming indication lamp flashes; the singlechip continuously receives the temperature data transmitted by the sensor during a warming process and compares the temperature data with the set value till the temperature reaches the set temperature value, then the warming indication lamp is turned out, the singlechip sends the staring signal, and the computer starts to work.

The invention discloses a wood dryer, which comprises a casing and a heater. A heater is arranged on the top end of the inner cavity of the casing, and a temperature sensor is arranged on the upper end of the inner cavity of the casing. A humidity sensor is provided at a relative position, and a driven wheel is provided at the bottom of the inner cavity of the housing, and the driven wheel is connected with the driving wheel through a conveyor belt, and a second rotating shaft is provided at the middle end on the right side of the outer surface of the driving wheel, and the first The two rotating shafts are connected to the first rotating shaft through a belt, the first rotating shaft is arranged at the middle end on the right side of the outer surface of the motor, the motor is arranged at the upper surface of the supporting plate, and the supporting plate is arranged at the lower end on the right side of the outer surface of the housing , the upper end of the right side of the outer surface of the housing is provided with a controller. The wood dryer is equipped with a rolling device, which can realize people's needs for opening rolling doors of different heights, which not only meets the normal transportation of wood, but also minimizes the loss of heat energy and saves people's production costs.

The invention discloses a double-rail welding system which comprises a first rail, a second rail, a third rail and a fourth rail. The second rail is detachably mounted on the second side of the welding seam of the workpiece; the first track and the second track are both installed on the fixing support, and the fixing support can drive the first track and the second track to move; the first track and the second track are each provided with at least one welding trolley. The image acquisition component is used for acquiring an image of the to-be-welded part; the welding seam scanning device is used for obtaining welding seam morphology; and a control system. According to the double-rail welding system, the welding efficiency can be effectively improved, automatic identification, automatic planning and automatic welding of the welding seams are achieved, the automation degree is improved, the labor intensity is effectively reduced, and the welding precision is improved.

The invention discloses automatic-heating intelligent heating shoes capable of sensing changes in temperature and a pre-sensing heating method of the intelligent heating shoes. The method includes: acquiring temperature information and humidity information in the intelligent heating shoes, collected through a temperature and humidity sensor; acquiring a temperature and humidity threshold range of the intelligent heating shoes, wherein the temperature and humidity threshold range is preset and includes a first temperature information threshold and a second humidity information threshold; judging whether the temperature information or the humidity information exceeds the first temperature information threshold or the second humidity information threshold or not, and if yes, starting a heating control module. The shoes and miniaturized electronics are combined, multiple functions of monitoring, automatic heating and the like are realized, accompanying functions of the shoes are improved, control and use of the intelligent shoes are facilitated for people, the best use of the shoes is achieved, and modern demands for the shoes is met.

The invention provides a multifunctional agricultural greenhouse. The greenhouse includes a greenhouse main body, a supporting beam device, an adjustable charging plate device, a roller, a cloth winding motor, a supporting frame, a heat-insulating cloth, heavy blocks, air temperature and humidity controlling devices, a slide block, a water tank, a water pump, a three-way pipe, connecting flexiblepipes, a water pumping pipe and a control cabinet; and the supporting beam device is installed in the middle position of the inner side of the greenhouse main body, the adjustable charging plate device is connected to the middle position of the upper part of the supporting beam device through a bolt, the roller sleeves the output shaft of the cloth winding motor. According to the greenhouse provided by the invention, the arrangement of the air temperature and humidity controlling devices facilitates conveniently controlling the temperature and humidity in the agricultural greenhouse and realizing automatic heating and automatic temperature reduction, thereby solving the problem that the agricultural greenhouse is inconvenient for adjusting the temperature and humidity in the greenhouse; the arrangement of the supporting beam device facilitates conveniently adjusting the heights of the air temperature and humidity controlling devices, thereby solving the problem of imperfect functions of agricultural greenhouses; and the greenhouse is more convenient for use and convenient for promotion and use.

The invention provides a method using chrysanthemum morifolium ramat wastes to produce biogas and solves the technical problems that chrysanthemum morifolium ramat wastes are wasted and cause environment pollution, and the like in the prior art. The method includes the steps of a, collecting the chrysanthemum morifolium ramat wastes, using a collecting device to collect the roots, stems and leaves of chrysanthemum morifolium ramat, and removing sundries such as mud and weeds; b, manufacturing a biogas fermentation device; c, loading materials needed by fermentation; adding the chrysanthemum morifolium ramat wastes into an upper cavity, and adding decomposition agent and nitrogen; performing acidification and decomposition on the chrysanthemum morifolium ramat wastes through the decomposition agent to form acidified liquid, allowing the acidified liquid to flow into the lower cavity of a shell through a filter hole in a partition, using a conveying pump to convey the acidified liquid into the sealed tank, and performing anaerobic fermentation to produce the biogas in the sealed tank. The method has the advantages that the chrysanthemum morifolium ramat wastes can be turned into the biogas, pollution is reduced, and economic benefits are increased.

The invention discloses a water dispenser realizing automatic heating and automatic water supplementing based on control of a controller. The water dispenser comprises a water storage tank, a control module, a heating device, a pressure sensor, a temperature sensor, a communication module and a terminal device, wherein the control module is electrically connected with the heating device; the heating device is used for heating pure water in the water storage tank; the control module is connected with the communication module and an alarm device; a control panel is used for controlling the on / off operation of the system. By means of mutual cooperation of the control module, the sensors, a data acquisition module, the communication module and the terminal device, the automatic water supply is realized, through the one-key operation of the control panel, the water amount information of the water storage tank of the water dispenser is monitored in real time, water is added in advance, and the water purification device has the advantages of being convenient to manage, and being simple and practical; by arranging the heating device and the control module which are matched with each other, the automatic heating for the pure water is realized, a worker sets the water temperature and controls the heating process through the terminal device, the water temperature information can be known in real time, and thus a good office environment is provided for the worker.

The invention discloses a tea processing machine comprising a shell and a heating wire, wherein a temperature sensor is arranged on the upper end at the right side of the inner cavity of the shell; the lower end of the outer side of the temperature sensor is provided with a humidity sensor; the upper end at the left side of the inner cavity of the shell is provided with the heating wire; the lower end of the inner cavity of the shell is provided with a baffle; the middle end of the inner cavity of the baffle is provided with a first discharging opening; the lower end of the inner cavity of the first discharging opening is provided with a solenoid valve; the right end of the bottom of the inner cavity of the shell is provided with a driven wheel which is in transmission connection with a driving wheel through a conveyor belt. The tea processing machine is provided with the temperature sensor, can display temperature in the shell through a display screen, is convenient for controlling temperature in the shell by people, can automatically switch off the heating wire and stop continuous heating when the temperature reaches the highest preset value, can automatically switch on the heating wire when the temperature reaches the lowest preset value, and thus the self-heating of the heating wire can be realized, the loss of the electric energy can be reduced and the stir-frying quality of the tea leaves can also be ensured.

The invention discloses a donkey-hide gelatin capsule counting and bottling machine, which comprises a shell and a feeding port. The middle end of the top of the inner cavity of the shell is provided with an ultraviolet lamp, and the right end of the top of the inner cavity of the shell is provided with a temperature sensor. The middle end of the bottom of the inner cavity of the housing is provided with a heating pipe, the left side of the outer surface of the housing is provided with a first inlet and outlet, the lower end of the inner cavity of the housing is provided with a conveyor belt, and the left end of the conveyor belt is connected with a driven wheel. The right end is connected with a driving wheel, the upper surface of the conveyor belt is provided with a fixed seat, and the top of the outer surface of the fixed seat is provided with a medicine bottle, and the driving wheel is connected with a motor through a belt, and the motor is arranged on the outer surface of the support plate The top of the outer surface of the housing is provided with supporting legs, and the right side of the outer surface of the housing is provided with a second inlet and outlet. The donkey-hide gelatin capsule counting and bottling machine controls the opening and closing of the electromagnetic valve through a counting sensor, which can improve the accuracy of donkey-hide gelatin capsule bottling and protect the interests of the enterprise.

The invention discloses a flow heat transfer and automatic control research platform and method. A cooling water tower in the platform is connected with a water chilling unit; the cooling water toweris provided with two output ends and used for dividing gas in the cooling water tower into two paths, one path simulates high-pressure low-temperature gas in the refrigerating machine with high-pressure normal-temperature gas through a first electromagnetic regulating valve, and the other path simulates high-pressure normal-temperature gas in the refrigerating machine with high-pressure heating gas through a second electromagnetic regulating valve and an electric heater in sequence; high-pressure normal-temperature gas and high-pressure heating gas are heated and mixed through a pipe section,and the mixed gas passes through a first long spiral pipe, a second long spiral pipe, a third long spiral pipe and a fourth long spiral pipe which are connected in series; the gas coming out of the fourth long spiral pipe sequentially passes through a first switch valve and a second switch valve to reach first superconducting equipment and second superconducting equipment which are connected in series, the first superconducting equipment and the second superconducting equipment are used for absorbing heat in the gas to enable the temperature of the equipment to rise, and the temperature risingeffect is used for simulating the cooling process of the superconducting equipment.

The invention relates to a multifunctional fan, comprising an adjustable telescopic bracket, a base, a fan cover, a fan head, a controller, a humidity sensor, an atomizer and a heating device; the fan head is detachably mounted on the base through an adjustable telescopic bracket , and is electrically connected to the controller; the fan cover is detachably installed on the fan head; the atomizer is set in the middle of the fan head, and the atomizer is electrically connected to the controller; the fan cover includes a first fan cover and a second fan cover, heating The device is arranged on the second fan cover, and the temperature sensor and the humidity sensor are both installed on the adjustable telescopic support and electrically connected with the controller. The beneficial effects of the present invention are: the integrated design of automatic heating, dehumidification, cooling and humidification can be realized by using the adjustable telescopic bracket, base, fan cover, fan head, controller, humidity sensor, atomizer and heating device, and Adjust the height of the fan through the adjustable telescopic bracket to suit different heights.

The invention discloses an automatic adhesive application system. The automatic adhesive application system comprises at least one pair of automatic installation facilities which are arranged in sequence. An adhesive application mechanical hand is arranged on one side of each automatic installation facility and connected with an adhesive filling facility. The automatic installation facilities, theadhesive application mechanical hand and the adhesive filling facility are electrically connected with a PLC. The automatic adhesive application system achieves automatic heating after an adhesive isapplied. Blank films of a product can be integrally replaced, the universality is high, the replacement is convenient and fast, and the automatic adhesive application system is suitable for differentproducts. The solidification time of the adhesive of a spoiler with the medium specification and size in the existing adhesive application process is nine minutes, only three to four minutes are required at present, and the adhesive application efficiency is greatly improved.

The invention relates to a bank pavilion. A multifunctional self-service bank pavilion comprises a bank pavilion body and an outer pavilion body, wherein the top of the bank pavilion body is semispherical; film solar batteries are coated at the tops of the bank pavilion body and the outer pavilion body, and power generation floors are arranged at the bottoms; the film solar batteries and the power generation floors are both connected with a UPS system; an electric hidden door, an LED display screen system and a public billing charge system are arranged on the side surface of the outer pavilion body; an alarm is arranged at the top of the bank pavilion body, and is connected with the UPS system; a PLC automatic control system is arranged in the outer pavilion body; and the PLC automatic control system comprises a central processing unit, and a temperature inductor, a humidity inductor, a smoke detector, an infrared inductor, a monitoring camera, an alarm, an air conditioning system, a fan and a humidifier connected with the central processing unit. The multifunctional self-service bank pavilion integrates multiple functions as a whole, is safe and reliable, optimizes the resource allocation, and is suitable for places with high visitors flow rate.

The invention discloses a vehicle-mounted water cup fixer and a heating plate thereof. The heating plate comprises a table body, an intelligent control system and a control panel. The heating plate is characterized in that an antiskid ring for positioning a cup is arranged on the table body; at least two groups of coils are arranged at the bottom part of the antiskid ring, and each coil group comprises a heating coil group and a magnetic coil; the coil groups are connected to the intelligent control system; a human body sensing IC is arranged on the surface of the table body and can be used for controlling the magnetic coils to work through the intelligent control system.

The invention relates to a method using culture medium preparation equipment to prepare a stem cell culture medium. The culture medium preparation equipment comprises a preparation tank and an container cavity arranged in the preparation tank and is characterized in that a container device is arranged in the container cavity, a container lifting mechanism is arranged in the container device, a container placing mechanism coordinated with the container lifting mechanism is arranged in the container device, a conical flask is placed in the container placing device, and a container heating mechanism is arranged in the container device and comprises a heating plate. The culture medium preparation equipment has the advantages that the culture medium preparation equipment is simple in mechanism,simple to use and capable of automatically preparing the stem cell culture medium, operation staff only need to place the conical flask into the equipment to achieve automatic feeding, automatic stirring and automatic heating, stem cell culture medium preparation speed is increased greatly, preparation precision is increased greatly as compared with manual preparation, and loss caused by manual misoperation is avoided.

The invention discloses an interconnected control system for electrical apparatuses in a shower room. The system comprises an integration suspended ceiling, an intelligent closestool and a water heater which are arranged in the bath room. The integration suspended ceiling comprises an illumination lamp, an exhausting fan and heat supply device. The system is characterized in that the integration suspended ceiling, the intelligent closestool and the water heater are connected with a controller, and the controller controls the integration suspended ceiling to work according to the signal fed back by the intelligent closestool and the water heater. According to the system, the electrical apparatuses such as the integration suspended ceiling, the water heater and the intelligent closestool inthe bath room are in linkage, when the water heater and the intelligent closestool work, the integration suspended ceiling is controlled to work automatically, the step of manual operation when a useruses the electrical apparatuses in the bath room is effectively reduced, direct contact with switches of the electrical apparatuses is reduced, user experience is improved, the situation that as theuser forgets to turn off the electrical apparatuses in the bath room, waste of energy sources is generated is avoided, and the system saves energy and is environmentally friendly.

The invention discloses an air conditioner external unit for preventing frosting. The air conditioner external unit comprises a unit body, the middle end of the right side of the unit body inner wall is fixedly provided with a temperature sensor, an inner cavity of the unit body is fixedly provided with a heating plate, the upper end and the lower end of the right side of the inner cavity of the unit body are both fixedly provided with an installation frame, and the end, away from the unit body, of the installation frame is fixedly connected with an accumulator; and the left end of the inner cavity of the unit body is fixedly provided with fan blades, and a groove is formed in the position, corresponding to the fan blades, in the left end of the outer surface of the unit body. The temperature sensor is arranged, and the temperature in the unit body can be monitored at any time; when the temperature in the unit body is lower than the lowest preset value, a power source of the heating plate is turned on automatically, and when the temperature is higher than the highest preset value, the power source of the heating plate is turned off automatically; and automatic heating of the heating plate is achieved, the loss of electric energy is lowered, and meanwhile the phenomenon of frosting or freezing in the unit body caused by excessively low outdoor temperature is also avoided.

The invention provides an egg roll processing device. The egg roll processing device comprises a rack; a baking tray assembly which comprises an upper baking tray and a lower baking tray hinged to theupper baking tray, wherein the upper baking tray can rotate relative to the lower baking tray, so that the upper baking tray has a closing position covering the lower baking tray and an opening position separated from the lower baking tray; a guide part which is arranged on the upper baking tray, wherein the length extension direction of the guide part is parallel to the tray surface of the upperbaking tray; a moving assembly which is movably arranged on the rack, is connected with the lower baking tray and is used for driving the baking tray assembly to move relative to the rack; and a guide rail which comprises a horizontal section and a twisted section connected to at least one end of the horizontal section; wherein the shape of the twisted section is matched with the moving track ofthe guide part when the baking tray assembly moves relative to the rack and the upper baking tray rotates relative to the lower baking tray, the guide part abuts against the guide rail, when the baking tray assembly is located at the position corresponding to the horizontal section, the upper baking tray is kept at the opening position, and when the baking tray assembly is located at the positioncorresponding to the twisted section, the upper baking tray is located at the closing position.

The invention provides a heating device and an energy storage device and relates to the technical field of heating of energy storage devices. The heating device comprises a heating film, a temperaturecontrol unit, a temperature collecting unit and a contactor. The temperature control unit is used for collecting a temperature signal of the energy storage device; the temperature control unit is connected with the temperature collecting unit for receiving the temperature signal. The temperature control unit is connected with the contactor to control the contactor to turn on or turn off. One endof the contactor is connected with a positive pole of the energy storage device and the other end is connected with a negative pole of the energy storage device. The heating device is connected with the contactor in series for heating the energy storage device. The heating device can automatically heat the energy storage device, maintain the energy storage device to operate at a suitable ambient temperature, and improve the operational stability and service life of the energy storage device.

The invention discloses a mini intelligent electric caldron which structurally comprises a heater. A loudspeaker, a controller, a display screen, a control button, a suction cup and a coil are arranged on the heater. The loudspeaker is fixedly connected to the upper surface of the heater. The controller is fixedly connected to the front side of the upper surface of the heater. The display screen is fixedly connected to the left side of the controller. The control button is fixedly connected to the right side of the controller. The suction cup is fixedly connected to the bottom of the heater. The coil is fixedly connected with the middle of the upper surface of the heater. A pot body, a heat supply body, an electric shock coil and a pot cover are arranged on the upper side of the coil. By adding an electric leakage sensor and an electromagnetic switch, the electric leakage conditions in the use process of an electric caldron can be effectively monitored, it is avoided that the injuriesand deaths are caused to users by electric leakage in the use process of the electric caldron, and the safety of the electric caldron in the use process is improved.

The invention relates to a packer performance test testing device, and belongs to the field of oil-gas well downhole work tools. The packer performance test testing device is composed of an oil storage tank, a testing box and a hydraulic cylinder, wherein an oil inlet pipe is arranged at the bottom of the oil storage tank, an oil return pipe is arranged at the top of the oil storage tank, the testing box is arranged at one side of the oil storage tank, the oil storage tank is communicated with the testing box through the oil inlet pipe and the oil return pipe, clamping bases are symmetrically installed in the testing box, the hydraulic cylinder is installed at one end of the testing box, and a piston rod of the hydraulic cylinder extends into the testing box. The packer performance test testing device is simple in structure and convenient to operate, and assembly and disassembly of the packer performance test testing device and a packer are convenient; the packer performance test testing device is high in universality, conventional packers can be tested, and other accessory downhole tools can be sufficiently verified at the same time.