6593results about "Gaseous heating fuel" patented technology

The utility model relates to a gas stove provided with a gas control pot rack. A pot rack of an existing gas stove is only used for placing pots, and some additional rings are used as wind shields. According to an existing gas stove, flames are exposed in the atmosphere, much heat is lost due to the fact that the outer faces of the flames make contact with too much air, and the heat efficiency is reduced. The gas stove with the gas control pot rack comprises a gas stove body, a pot rack ring, a plurality of pot rack feet and a pot rack bottom. The pot rack ring is in a circular tube shape, the pot feet are evenly distributed on the pot rack ring, the pot rack bottom is a circular ring piece with an inner hole in the middle, the outer diameter of the pot rack bottom is the same as that of the pot rack ring, the pot rack bottom and the pot rack ring are connected together, and the pot rack bottom is arranged on a gas stove and sleeved outside a burner to control secondary air inflow and prevent excessive cold air from touching flames, so that heat efficiency is improved.

The embodiment of the invention provides an anti-dry-burning control method, a controller and a stove. The method comprises the steps that a controller in the cooker detects the temperature of the bottom of a pot in real time, and when the temperature of the bottom of the pot reaches a preset temperature threshold value, the current change rate of the temperature of the bottom of the pot is obtained; and when the controller determines that the current change rate of the temperature is smaller than an empty burning threshold value but is between a first dry burning threshold value and a second dry burning threshold value, the controller determines that the cookware enters an anti-dry burning state and executes an anti-dry burning program. Wherein the first dry burning threshold value and the second dry burning threshold value are determined according to the environment information and the type of the cookware. The method is used for achieving the effect of improving the anti-dry-burning flexibility.

To suppress backlash of a regulator mounted to an end part on an inflow port side of a mixing pipe made by casting in a gas burner.SOLUTION: A regulator 25 in which an air port 25a is provided on a plane part 25b covering an inflow port is mounted to an end part of the inflow port 20a side of a mixing pipe 20, and fuel gas is injected from a nozzle toward the inflow port. The mixing pipe is divided into a lower member and an upper member, each of which is formed by casting. An outer edge 21b at an end part on the inflow port side of the lower member has a width in a right / left direction that becomes smaller from an upper end toward a lower end, and protrudes to the nozzle side in an inclined manner. An outer edge 22b at an end part on the inflow port side of the upper member has a width in the right / left direction that becomes smaller from a lower end toward an upper end, and protrudes to the nozzle side in an inclined manner. An approximately horizontal flat part 22c is provided in at least one of the lower end of the outer edge at the end part on the inflow port side of the lower member and an upper end of the outer edge at the end part of the inflow port side of the upper member.SELECTED DRAWING: Figure 4

The present technology relates to an automatically locking, releasable, safety knob assembly for a stove. The assembly includes a base with a locking notch. An adapter mates with the stove's valve stem and has a head, a tubular middle section, and an adapter base with a central aperture for receiving the valve stem. The knob includes a housing with a housing disk covering the base, an arm movement channel aligned with the locking notch in the locked configuration, and a central aperture for receiving the adapter head. The assembly further includes a sub-assembly with a slidable button allowing free rotation of the knob in the unlocked configuration, an automatic locking arm biased with the slidable button, and engagement of the button causing the arm to disengage from the locking notch and move in the arm movement channel, enabling the knob to freely rotate and rotate the valve stem.

The process parameters can be preset, the quality problem is prevented in advance, automatic production is achieved, and the production efficiency is improved. The invention is applicable to the technical field of range hood control, and provides an intelligent oil fume machine and an oil fume separation method thereof, and the method is applied to an intelligent range hood oil fume separation control system. The system comprises an information acquisition module, a model construction module, a model training module, a model evaluation module, a parameter determination module, an application control module, a wireless communication module, a memory, an alarm, a processing center and an intelligent mobile terminal. The information acquisition module, the model construction module, the model training module, the model evaluation module, the parameter determination module, the application control module, the wireless communication module, the memory and the alarm are respectively connected with the processing center; the invention further provides an intelligent oil fume machine. Operation data of the range hood can be collected, the preset control parameters are matched according to the model, and automatic precise control is achieved.

The present invention relates to a completely top-inlet burner, comprising a base, an outer ring fire cover and an inner ring fire cover, wherein the base has a central cavity and an annular cavity surrounding the central cavity, wherein both the central cavity and the annular cavity are open at the top, and the inner ring fire cover and the outer ring fire cover are respectively covered in the central cavity and the annular cavity to form an inner ring mixing cavity and an outer ring mixing cavity respectively, wherein the outer ring fire cover comprises a fire cover body, wherein the fire cover body comprises a top wall, an inner ring wall and an outer ring wall, wherein the top wall is inclined from inside to outside along the circumferential direction, and outer ring fire holes are arranged on the top wall along the circumferential direction to form a flame zone, and a fire transfer groove extending up and down is provided at the upper end of the inner ring wall of the outer ring fire cover, wherein the fire transfer groove is connected with the outer ring mixing cavity, and the upper end of the fire transfer groove is adjacent to the flame zone. In the present invention, the lower end of the fire transfer groove is close to the inner ring fire cover, and the upper end is close to the flame zone on the outer ring fire cover, thereby improving the success rate of fire transfer.

The invention relates to an AI intelligent gas valve control method and system and an AI intelligent gas valve, and relates to the technical field of gas valves.The method comprises the steps that when the intelligent gas valve receives preset triggering information, image detection information of a gas stove is obtained; selecting an image corresponding to a preset switch feature based on the image detection information, and taking the selected image as a switch image; inputting the switch image into a preset angle model to output a rotation angle; inputting the rotation angle into a preset gas database to match the actual gas output of the intelligent gas valve; the output current of the intelligent gas valve is determined according to the reference gas inflow; and outputting the output current to a control device preset in the intelligent gas valve to control opening and closing of the intelligent gas valve. The gas stove has the effect of improving the safety of gas use.

The invention relates to the technical field of kitchen safety monitoring, and discloses a kitchen gas stove abnormity early warning system based on infrared thermal imaging multispectrum. The system comprises an infrared thermal imaging acquisition module, a dynamic feature extraction module and an abnormal behavior identification module. The infrared thermal imaging acquisition module synchronously captures the surface temperature field distribution of the gas cooking range through a multispectral infrared sensor array, obtains flame form data in combination with a visible light image, and generates a multi-channel fused infrared thermal imaging characteristic spectrum through processing. The dynamic feature extraction module adopts a three-dimensional convolution kernel to scan continuous time sequence frames, identifies flame morphological feature differences, calculates thermal radiation intensity energy distribution offset, and outputs dynamic feature vectors. The abnormal behavior recognition module extracts a correlation mode through a deep residual network, compares current features with a historical normal working condition feature library, and generates a preliminary early warning signal containing an abnormal type code and a risk level when the attenuation rate of flame spectral energy in a specific infrared band exceeds a first threshold value.

The invention discloses an efficient pulsating heat pipe air pre-heater gas stove, and relates to the technical field of gas stoves. The air pre-heater comprises an air pre-heater body, a pulsating heat pipe and an air supply pipeline, the pulsating heat pipe is embedded in an inner cavity of the air pre-heater body, and the bottom of the air pre-heater body communicates with the top of the air supply pipeline; the air pre-heater body comprises a heat insulation radiation cavity and an air pre-heating cavity. The heat transfer efficiency of the pulsating heat pipe is far higher than that of traditional metal heat conduction, heat of high-temperature flue gas can be rapidly absorbed, waste heat loss is reduced, the heat efficiency is improved, secondary air is heated through the air preheater, the temperature of the secondary air is increased, the combustion temperature is increased, gas combustion is more sufficient, emission of carbon monoxide and nitric oxide is reduced, and the energy-saving and environment-friendly effects are achieved. The pulsating heat pipe has the unique advantages of being small and exquisite in structure, flexible in arrangement and efficient in heat transfer, and the heat efficiency of the gas stove is effectively improved through the L-shaped pulsating heat pipe heat insulation air pre-heater structure.

The utility model discloses cooking equipment, which comprises a cooking device, a heating device and a control device, the gas steaming and baking module is connected with the cooking device and used for supplying steam and / or smoke to the cooking cavity, the gas steaming and baking module comprises a combustor, the combustor comprises a body and a gas supply structure, the body defines a combustion cavity, the gas supply structure defines a gas mixing cavity communicated with the combustion cavity, and the gas supply structure is provided with a gas inlet, an air inlet and an outlet; the gas inlet communicates with the gas mixing cavity, the air inlet communicates with the gas mixing cavity, the gas mixing cavity communicates with the combustion cavity through the outlet, and the combustion cavity is suitable for introducing gas in the gas mixing cavity. According to the cooking equipment provided by the embodiment of the utility model, the gas supply structure with the gas mixing cavity is arranged on the combustor, and the gas mixing cavity is communicated with the combustion cavity of the combustor, so that the premixing of the gas and the air can be realized, the sufficient mixing of the gas and the air can be ensured, and the sufficient combustion of the gas can be ensured.

The invention discloses cooking equipment which comprises a cooking device provided with a steam inlet; the steam device comprises a combustion chamber, a combustor and a water pipe, the combustor is arranged in the combustion chamber and is configured to be heated through fuel gas, at least one part of the water pipe is arranged in the combustion chamber and is matched with the combustion chamber in a heat exchange mode, and the water pipe is connected with the steam inlet so as to supply steam to the cooking equipment. According to the cooking equipment disclosed by the embodiment of the invention, the steam can be generated by heating the fuel gas, and the steam is provided for the cooking device, so that the cooking of the steam device is facilitated. Steam is generated through gas heating, the limitation of electric heating can be broken through, and the power of the steam device can be greatly improved.

The invention relates to the technical field of intelligent household appliances, and discloses a control method for preventing dry burning of a stove, and the control method comprises the following steps: detecting the current stove fire power, and determining the current water cooking condition corresponding to the current stove fire power; collecting cookware temperature information under the current cooker fire power; and under the condition that the pot temperature information meets the current water cooking condition, executing corresponding dry burning prevention operation according to the water cooking state and the pot temperature information. The corresponding water cooking condition is determined by combining the current cooker fire power, the cooking state is judged, and therefore the dry burning prevention operation corresponding to the cookware temperature information and the cooking state is executed. The accuracy of judging the cooking state under the current stove fire is improved, then the accuracy of anti-dry-burning control is improved, and the misjudgment rate of anti-dry-burning is effectively reduced. The invention further discloses a control device for preventing dry burning of the kitchen range, the kitchen range and a computer storage medium.

Proposed is a home appliance that includes a cabinet defining an exterior of the home appliance, a reception space defined inside the cabinet and configured to receive objects in the reception space, a door configured to open and close an open surface of the reception space, the door having a viewing window provided at the door, a sensor assembly configured to detect each of a plurality of vibrations transmitted in three axial directions orthogonal to each other and to determine whether one or more of the plurality of vibrations is generated by a user's knock, a lamp configured to illuminate an inside of the reception space, and a controller configured to turn on / off the lamp based on a knock-on signal output by the sensor assembly.

The invention relates to the technical field of smart home, and discloses an automatic range hood starting device and method based on a sensing function, and the device comprises a sensor module which is used for collecting kitchen environment data and comprises an infrared sensor, a lampblack concentration sensor, a sound sensor and a temperature and humidity sensor; the data processing module comprises a microcontroller and is used for receiving and fusing the real-time data of the sensor module, calculating the weight of the data of each sensor through a mutual information algorithm and generating a comprehensive cooking state index; and the control execution module is connected with the range hood fan and the fan blade adjusting mechanism, and dynamically adjusts the rotating speed of the fan, the fan blade angle and the operation mode according to the comprehensive cooking state index and the pollution diffusion model. According to the technical scheme of determining the weight by adopting the multi-sensor data fusion and mutual information algorithm, the effect of accurately judging the cooking state is achieved by calculating the association degree of the data of each sensor and the cooking state and allocating the weight.

The invention relates to the field of kitchen utensils, and particularly discloses a fire control valve and a kitchen range. The fire control valve comprises a shell, an outer ring electromagnetic valve and an inner ring electromagnetic valve; the plug valve communicates with the inner ring outer cavity, and the inner ring inner cavity and the outer ring inner cavity communicate with an inner ring fire cover and an outer ring fire cover of the combustor correspondingly. The inner ring electromagnetic valve is used for opening and closing an inner ring flow path between the inner ring outer cavity and the inner ring inner cavity, and the outer ring electromagnetic valve is used for opening and closing an outer ring flow path between the outer ring outer cavity and the outer ring inner cavity; a first port and a second port of the inner ring closure channel are respectively communicated with the inner ring outer chamber and the inner ring inner chamber; and a first port and a second port of the inner ring communication channel are respectively communicated with the inner ring inner cavity and the outer ring outer cavity. The fire control valve can replace an original plug valve to achieve the function of opening and closing outer ring fire, the structure of the plug valve can be simplified, multiple fire adjusting states corresponding to different cooking modes can be achieved, and fire adjusting of a cooker is more intelligent.

The invention provides a combustion control method for a commercial gas stove. The combustion control method comprises the following steps: acquiring post-combustion gas component data acquired by a gas component sensor; gas component data obtained after combustion serve as feedback quantity, the error between the feedback quantity and a preset expected value is calculated, combustion control parameters are calculated through a closed-loop control algorithm on the basis of the error, and the combustion control parameters comprise the opening degree of a main fire gas valve and / or the rotating speed of a first draught fan; and the air supply amount and / or the air supply amount of the main fire combustor are / is adjusted according to the combustion control parameters. The invention further provides a combustion control device and system for the commercial gas stove and the commercial gas stove. According to the invention, the mixing ratio of the air and the fuel gas is adaptively adjusted by detecting the gas component data after combustion and combining a closed-loop control algorithm, so that the combustion efficiency is optimized.

The invention discloses a stove and a stove anti-dry burning control device and method. The anti-dry-burning control device for the kitchen range comprises a detection module used for obtaining material detection data, shape detection data and dynamic detection data of a to-be-detected pot; and the control module is connected with the detection module and the anti-dry-burning module and is used for identifying a cooking scene according to the material detection data, the shape detection data and the dynamic detection data and adjusting the working state and the protection temperature threshold value of the anti-dry-burning module according to the cooking scene. The anti-dry-burning protection temperature threshold value is adjusted by recognizing the material of the cookware, the applicability of the anti-dry-burning module to different cookware is improved, and false triggering of the anti-dry-burning module is avoided; meanwhile, according to the shape and the dynamic identification cooking scene, the working state of the dry-burning-resistant module is correspondingly adjusted, so that collision between the moving cookware and the dry-burning-resistant module can be avoided, dry-burning-resistant protection in the continuous cooking process can be achieved, and potential safety hazards are reduced.

The utility model belongs to the technical field of valves, and particularly discloses an electromagnetic valve, a gas valve and gas equipment. The electromagnetic valve comprises an electromagnetic driving mechanism, a movable shaft assembly, a valve element assembly, a pressing piece, a pressing reset piece and a timing trigger piece. The pressing piece is arranged on the shell in a sliding mode and matched with the second end of the movable shaft assembly, the pressing piece can actuate the movable shaft assembly to slide to the adsorption position from the separation position when being pressed to the first position from the initial position, a conductive structure is arranged on the pressing piece, and the movable shaft assembly in the adsorption position can magnetically adsorb the valve element assembly to move to the opening position. The electromagnetic driving mechanism can drive the valve element assembly to move to the closing position in the power-on state. And the timing trigger piece is electrically conducted with the conductive structure when the pressing piece reaches the first position, so that the timing trigger circuit is conducted. According to the gas valve timing device, timing closing of the electromagnetic valve and the gas valve can be achieved through a simple and reliable structure, repeated timing can be carried out, and the use safety, reliability and convenience of the gas valve and gas equipment are improved.

The utility model discloses a kitchen range. The kitchen range comprises a burner and a pot rack, a plurality of first fire outlet holes are formed in the top of the combustor; the pot rack comprises a pot rack main body and a plurality of supporting legs, the pot rack main body is arranged around the periphery of the burner, the supporting legs are arranged at the bottom of the pot rack, and the supporting legs are arranged around the peripheral side of the pot rack main body at intervals; the inner circumferential side face of the pot rack body comprises a flow guide air inlet face, the flow guide air inlet face extends upwards from the bottom of the pot rack body, the flow guide air inlet face and the burner are arranged in a spaced mode, and a first air inlet channel communicated with the first fire outlet holes is formed between the flow guide air inlet face and the outer circumferential side face of the burner. An air inlet channel does not need to be formed in the pot rack body, so that the sealing integrity of the pot rack body can be guaranteed, and the heat preservation performance of the pot rack body can be improved.

The invention relates to the technical field of intelligent household appliances, and discloses a control method for preventing dry burning of a cooker, and the control method comprises the steps: obtaining the current boiling frequency, and obtaining the temperature information of the cooker under the condition that the current boiling frequency is smaller than or equal to a boiling frequency threshold value; the current stove fire power is obtained, and the current water-free cooking condition corresponding to the current stove fire power is determined; under the condition that the cookware temperature information meets the current water-free cooking condition, if the cookware temperature information meets the safe cooking judgment condition corresponding to the water-free cooking state, continuously obtaining the current boiling frequency; wherein the safe cooking judgment condition corresponding to the water-free cooking state is determined according to the fire power of the current cooker. When the water-free cooking state is determined and the safe cooking judgment condition is met, the accuracy of dry burning prevention control is improved by continuously identifying the water cooking state. The invention further discloses a control device for preventing dry burning of the kitchen range, the kitchen range and a computer storage medium.

The utility model discloses a stacked fire cover, a combustor and a stove, and belongs to the technical field of kitchen electric appliances. The stacked fire cover is formed by alternately stacking a plurality of first laminations and a plurality of second laminations, the first laminations and the second laminations are each of a hollow sheet-shaped structure, the first laminations are provided with concave parts extending in the radial direction of the first laminations, the multiple concave parts are arranged at intervals along the circumferential sides of the first laminations, and a groove is formed between every two adjacent concave parts; the outermost layers of the stacked fire covers are second laminations, and the second laminations attached to the outer surfaces of the concave parts are matched with the single grooves to form single fire outlet holes extending in the radial direction of the first laminations. According to the stacked fire cover, the height of the stacked fire cover can be flexibly adjusted according to needs so as to meet the needs of combustors of different sizes, the design cost and the manufacturing cost can be reduced, and market popularization of products is facilitated. The burner and the stove are low in cost by applying the stacked fire cover, and market popularization of products is facilitated.

The invention discloses a portable fuel gas heating device, and relates to the technical field of heating equipment, a gas inlet header pipe can introduce fuel gas to a flameout protection module and a main burner system under the control of a main valve, and the main burner system comprises a nozzle and a profiling furnace end which can be firmly installed in a body frame. The body frame protects the profiling furnace end in the circumferential direction, at least one side wall of the body frame is provided with a side interlayer cavity, the upper top of the body frame is provided with a top interlayer cavity, the lower end of the side interlayer cavity and an exhaust port of the top interlayer cavity are communicated with the outside, and the side interlayer cavity is communicated with the top interlayer cavity. The temperature sensor transmits a signal to the main valve, the main valve controls the gas inlet header pipe to supply gas to the main burner system, flames on the soft fire burner system ignite gas overflowing from the surface of the profiling furnace end, and the anti-toppling switch can send a signal to the main valve to stop supply of all gas when detecting that the body frame topples. According to the invention, the use safety can be improved, and the carrying is convenient.

The invention relates to the technical field of intelligent household appliances, and discloses a method for linkage control of kitchen equipment, the kitchen equipment comprises a range hood and a kitchen air conditioner, and the kitchen air conditioner comprises a fresh air module; the method comprises the steps that under the condition that the range hood is in a running state, the gas displacement of the range hood is obtained; and the air inlet amount of the fresh air module is controlled to be smaller than or equal to the exhaust amount of the range hood, so that air in the kitchen is in a static pressure state or a negative pressure state. The air inlet amount of the fresh air module is controlled to be smaller than or equal to the exhaust amount of the range hood, so that air in the kitchen area can be in a static pressure state or a negative pressure state. And air in the kitchen area is prevented from flowing outwards. And the amount of oil smoke flowing into the living quarter when the fresh air module is started is reduced. The invention further discloses a device for linkage control of the kitchen equipment and the kitchen equipment.

The utility model discloses a metal belt material and a honeycomb heating body thereof, the metal belt material comprises: a characteristic belt, which is provided with a plurality of wave crest parts and wave trough parts arranged alternately, fire holes are formed between adjacent wave crest parts, and fire holes are formed between adjacent wave trough parts; the lower end of the characteristic belt is connected with the vertically-arranged separation belt, the separation belt transversely penetrates through each wave crest part, each wave trough part and each fire hole, and the lower end of each fire hole is divided into at least two small holes by the separation belt. The metal belt material is simple in structure, high in porosity and capable of reducing the tempering probability and improving the heat intensity of area fire holes.

An apparatus, a system and a kit having a knob and a control unit for improving the safety of stovetop are described. The knob includes a main body, a shaft connector extending from the inner surface of the main body to be mounted to an operational shaft of a stove, a plurality of teeth disposed on the inner surface and a position indicator located on the inner surface. The control unit is for engagement of the plurality of teeth and includes a gear for rotating the plurality of teeth, a motor for actuating the gear, a sensor configured to detect the position indicator and controller circuitry for operating the motor upon the fault condition. The knob and the control unit are used with a sensor and / or with an electronic device for controlling the heating power of burners, specifically when a dangerous condition occurs.

The invention discloses a stove and a stove load matching control method, and belongs to the technical field of kitchen electric appliances. The stove comprises a burner, a pot rack and a control module, the burner comprises a burner head, a fire distributing base, a fire cover, an outer ring cover and a gas blocking ring, the fire cover is provided with multiple layers of fire outlet channels, and the gas blocking ring can ascend and descend relative to the height direction of the fire cover and defines an adjusting space with the fire distributing base, the fire cover and the outer ring cover; the height of the adjusting space can be adjusted through lifting of the gas retaining ring, and then the fire outlet layer number of the fire outlet channel is adjusted; the sensor of the control module is used for detecting the distance between the sensor and the bottom of a pot located on the pot rack, so that the control unit can conveniently control the gas blocking ring to ascend and descend according to a numerical value detected by the sensor, and the firepower of the stove is automatically adjusted. According to the kitchen range load matching control method, based on the kitchen range, the layer number n of the fire outlet channels needing to be closed can be determined according to the relation among L, L1 and L2, and the requirements of energy conservation and cooking efficiency can be met.

The invention relates to the technical field of gas stoves, and particularly discloses an anti-dry-burning control method and an anti-dry-burning system of a gas stove and the gas stove. According to the anti-dry-burning control method of the gas stove, the anti-dry-burning system and the gas stove, the reference temperature Ti is obtained according to the measurement temperature T pot of the first position area and the measurement temperature T radiation of heat radiation and heat convection of the second position area, and whether dry burning exists in the pot or not is judged according to Ti; the influence of the temperature of heat radiation and heat convection on the measured temperature of the detected first position area is considered, judgment of the heat radiation and the heat convection on the anti-dry-burning temperature is avoided, the accuracy of anti-dry-burning judgment of the gas stove is improved, the probability of safety accidents is reduced, and the safety of the gas stove is improved. And the anti-dry burning system of the gas stove has universality in different burning system structures.

A heater including a cylindrical housing with an inlet end, an outlet end, and an axis extending between the inlet end and the outlet end. A combustion chamber is positioned at least partially within the cylindrical housing. A base is coupled to the cylindrical housing. A user interface is operable to control combustion within the combustion chamber. The axis is positioned between the base and the user interface.