3365results about "Gaseous heating fuel" patented technology

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.

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 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 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 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 pot rack comprises a pot rack body and a power device, the pot rack body is annularly arranged and forms a combustion cavity in a surrounding mode, the combustion cavity is used for allowing flame of a combustor to pass through, the pot rack body is further provided with a jet flow channel and an air supply channel, and a jet flow opening of the jet flow channel is located in the upper surface or the peripheral face of the pot rack; an air supply port of the air supply channel is communicated with the combustion cavity; the power device communicates with the jet flow channel and the air supply channel and is used for providing airflow for the jet flow channel and the air supply channel and providing airflow in the direction close to the cooker through a jet flow opening of the jet flow channel, so that smoke between the pot rack body and the cooker can be gathered in the direction close to the cooker; and secondary air is supplemented to the combustion cavity through the air supplementing opening, so that the air content in the combustion cavity can be increased, the fuel is promoted to be combusted more sufficiently, the heat efficiency of the fuel is improved, and the overall heat efficiency of the gas stove is improved.

The invention discloses a stove firepower display control method, a stove and a range hood. The stove firepower display control method provided by the embodiment of the invention is applied to the stove. The cooker comprises a mechanical knob and a potentiometer. The mechanical knob is connected with the potentiometer. And when the mechanical knob rotates, the potentiometer is driven to rotate synchronously, so that the resistance of the potentiometer is changed. The stove is in communication connection with the range hood. The range hood comprises a control panel. The control method comprises the steps of obtaining output voltage of the potentiometer; determining the gas flow of the cooker according to the output voltage; and the gas flow is sent to the range hood, so that the firepower state corresponding to the gas flow is displayed through the control panel. Therefore, the firepower state of the kitchen range can be used as visual data to be displayed on the control panel of the range hood, and the problem that a user is difficult to accurately and timely identify the firepower condition of the kitchen range is effectively solved.

The invention discloses a high-efficiency high-fire combustion system which is characterized by comprising a furnace end assembly, an injection pipe, a gas distribution ring, an air door plate, an air blowing box, an air blower and a valve body assembly, the air door hole extends towards the air inlet end of the injection pipe to form an air door ring wall; the outer wall of the part, extending into the blast cavity, of the gas nozzle and the annular wall of the air door form a blast air guide channel; the air blowing and guiding channel is arranged on the periphery of the gas nozzle in a surrounding mode. According to the invention, in a high-fire combustion state, the bypass air channel supplements additional high-fire gas to the high-fire gas supply cavity on the front side of the gas distribution ring through the high-fire gas supply cavity, meanwhile, the air blower is started, additional air is blown to the air blowing cavity through the air blowing box, and the additional air is forwards sent out through the air blowing and guiding channel; and a continuous, stable and high-speed'air curtain barrier 'is formed on the periphery of the outlet of the gas nozzle. The annular air curtain can resist external pressure fluctuation even if the blower operates at high power to generate strong wind.

The embodiment of the utility model discloses a cooking module and an integrated cooker, the cooking module comprises an inner container, a supporting piece and a sheet metal part, and the inner container is provided with a cooking cavity; the supporting piece is connected with the outer wall of the inner container. The sheet metal part is arranged outside the inner container in a surrounding mode and connected with the side, away from the inner container, of the supporting part. Wherein the sheet metal part and the outer wall of the inner container are encircled to form a heat insulation cavity to prevent heat in the cooking cavity from diffusing outwards, so that the probability of damage of the gas stove module and the control module can be reduced, the gas stove module and the control module can have longer service life, and the integrated stove can have longer service life.

The invention discloses a combustor and a stove. The burner includes: a base; the air distribution disc is arranged on the base and comprises an outer ring part and an inner ring part; the outer ring fire cover is arranged on the outer ring part, an outer ring gas mixing cavity is defined by the outer ring fire cover and the outer ring part, the outer ring fire cover is provided with a plurality of middle ring fire holes, the multiple middle ring fire holes are formed in the circumferential direction of the combustor at intervals, and the middle ring fire holes communicate with the outer ring gas mixing cavity; a plurality of flame stabilizing grooves communicating with the outer ring gas mixing cavity are formed in the surface, facing the central axis of the combustor, of the outer ring part, the flame stabilizing grooves are formed in the circumferential direction of the combustor at intervals, and the flame stabilizing grooves correspond to the middle ring fire holes in the direction parallel to the central axis of the combustor. According to the combustor, the flame stabilizing effect of middle ring fire can be improved, the combustion performance is improved, and the smoke concentration during combustion of the combustor is reduced.

The invention discloses a gas appliance and a control method thereof. The gas appliance comprises an ignition coil and a thermocouple. The combination valve is arranged on a gas pipeline of the gas appliance, is used for opening or cutting off the gas pipeline between the gas source and the gas appliance, and comprises a user end and a gas source end; the combination valve comprises an electromagnetic valve and a gas safety valve, the electromagnetic valve is arranged between the gas safety valve and the gas source end, and the electromagnetic valve is electrically connected with an ignition coil and a thermocouple. The problems that a self-closing valve of an existing gas appliance is low in sensitivity, and trace leakage cannot be detected are solved.

The invention belongs to the technical field of household gas stoves, and provides a household infrared stove with high heat intensity and a design method.The stove comprises a valve body and an infrared burner which are sequentially arranged in the airflow direction; according to the valve body, the two independent channels of the main fuel gas channel and the auxiliary fuel gas channel are matched with the main nozzle and the auxiliary nozzle to form a two-strand collision jet flow injection technology, an infrared injection pipe of the infrared burner and the main nozzle are coaxially arranged, and the infrared injection pipe and the auxiliary nozzle are of a non-coaxial structure, so that the injection capacity of the main nozzle is guaranteed, and the service life of the main nozzle is prolonged. The fuel gas injected by the auxiliary nozzle directly rushes to the inner wall of a shrinkage pipe in the infrared injection pipe, and the two jets are injected together; compared with a traditional single-nozzle ejection structure, the amount of ejected air is larger, gas and air are mixed more evenly, the ejection speed of the gas through fire holes of the infrared burner is higher, and the combustion stability is further enhanced in cooperation with the design of the infrared burner and the infrared radiation combustion plate.

The invention discloses a gas cooker which comprises a combustor and an ejector, the combustor is provided with a premixing cavity, the premixing cavity is communicated with external gas supply through the ejector, a fire cover is arranged on the premixing cavity in a covering mode, the gas cooker is characterized by further comprising an energy gathering disc, a mounting opening is formed in the middle of the energy gathering disc, and the energy gathering disc is provided with a gas inlet and a gas outlet. The combustor is arranged at the position of the mounting opening in a penetrating mode, and a heat insulation cavity and a preheating cavity are sequentially defined by the energy gathering disc from top to bottom; the air outlet end of the air blower is communicated with the air inlet end of the preheating cavity; the nozzle seat is arranged on the ejector, a gas distribution channel is limited in the nozzle, one end of the gas distribution channel is communicated with the gas outlet end of the preheating cavity, and the other end of the gas distribution channel is communicated with the ejector. The energy-saving stove is simple in structure, heat emitted downwards can be fully utilized, and meanwhile the energy efficiency of the stove is effectively improved.

An oven is provided, which includes a domed ceiling, a baking stone located below the domed ceiling, a cooking chamber between the domed ceiling and the baking stone, a front opening that provides access to the cooking chamber for food and utensils, a combustion chamber adjacent to, and at least partially below, the cooking chamber, and a rear opening that provides access to the combustion chamber.

The invention relates to a gas stove control device with a fault detection function and a gas stove. The gas stove control device comprises a double-coil electromagnetic valve, a driving circuit, a detection circuit, a controller and an alarm. A main coil of the double-coil electromagnetic valve is connected with a thermocouple, a secondary coil of the double-coil electromagnetic valve is connected with the driving circuit, and the driving circuit is used for outputting driving current to the secondary coil; the detection circuit is connected with two ends of the secondary coil and is used for detecting voltages at two ends of the secondary coil; the controller is connected with the drive circuit, the detection circuit and the alarm and used for controlling on-off of the drive circuit and controlling the alarm to give an alarm according to the voltage, fed back by the detection circuit, of the two ends of the secondary coil. According to the invention, various faults such as open circuit, short circuit and turn-to-turn short circuit of the secondary coil are accurately identified based on the voltages at the two ends of the secondary coil, the alarm gives an alarm to remind a user in time when the fault of the secondary coil is detected, the sensitivity and accuracy of fault detection of the secondary coil are high, and the safety performance is high.

An oven includes upper and lower assemblies, a fire box and a heat absorbing and emanating device. The upper assembly forms a cooking chamber and has a front side with an open entry to the cooking chamber. The lower assembly is located below the upper assembly and has an internal cavity. The fire box is located within the internal cavity and includes a heat source. The device is located between the upper and lower assemblies and absorbs heat from the heat source and emanates heat into the cooking chamber of the upper assembly. The upper assembly includes inner and outer dome assemblies. The inner dome is located within the outer dome and forms first and second airflow pathways.

The utility model discloses a kitchen range, which comprises a shell, a gas leakage detector and a controller, the gas leakage detector is arranged in the shell to detect the gas leakage condition in the shell, and the controller is electrically connected with the gas leakage detector. The gas leakage detector is simple in structure, and the stove can actively detect gas leakage.

The invention relates to the technical field of gas stove control, and discloses an induction pot detection energy-saving control method and device for an intelligent gas stove, and the method comprises the steps: detecting whether a pot is moved out of or into the heating range of the intelligent gas stove in the cooking process of using the pot; when the detection result shows that the cookware is moved out of the heating range of the intelligent gas stove, generating a first firepower control parameter of the intelligent gas stove, reducing the firepower of the intelligent gas stove to a first cooking firepower according to the first firepower control parameter, and when the detection result shows that the cookware is moved into the heating range of the intelligent gas stove, reducing the firepower of the intelligent gas stove to a second cooking firepower. And generating a second firepower control parameter of the intelligent gas stove, and increasing the firepower of the intelligent gas stove to a second cooking firepower according to the second firepower control parameter. It can be seen that the fire power of the gas stove can be adjusted in a self-adaptive mode on the basis that the cookware is moved out of or to the heating range, energy loss is reduced, gas is saved, meanwhile, the environment temperature and heat radiation of flames can be reduced, and the cooking experience of a user is improved.

The utility model belongs to the technical field of integrated kitchen ware, and particularly relates to a kitchen range panel fixing structure of an integrated kitchen range and the integrated kitchen range, the kitchen range panel fixing structure comprises a rack and a kitchen range panel, the top of the rack is provided with a kitchen range mounting surface for mounting the kitchen range panel; the clamping assembly is arranged at one end of the stove panel and one end of the rack, and one end of the stove panel is connected with one end of the rack in a clamping manner through the clamping assembly; and the fastening assembly is arranged on the cooker panel and the other end of the rack, and the other end of the cooker panel is fixedly connected with the other end of the rack through the fastening assembly. According to the kitchen range panel, due to the fact that the clamping assembly is adopted, assembly of the kitchen range panel is achieved in a sliding mode, the procedure that a fastener is arranged on the kitchen range panel is omitted, the assembly difficulty is greatly reduced, and the overall manufacturing efficiency of the kitchen range panel is higher.

The invention provides a multi-interlayer energy-saving hearth used on a gas stove. In the prior art, a single-layer gas control basin or a welded double-layer gas control basin is used for improving the detection thermal efficiency, but the thermal insulation performance is poor, more heat is lost, and the thermal efficiency is reduced. The multi-interlayer energy-saving hearth comprises an outer hearth and an inner hearth, the outer hearth is in a big-end-up round sleeve shape, the outer hearth is arranged outside a burner of the gas stove in a sleeving mode, the bottom face of the outer hearth is placed on the stove face of the gas stove to be in a closed state, an outer hearth boss is machined on the upper portion of the interior of the outer hearth, and a plurality of outer hearth air inlet holes are evenly distributed in the lower face of the outer hearth along the circumference; the appearance of the inner chamber is in a basin shape with an inner chamber hole in the center, the inner chamber is arranged in the outer chamber, the periphery of the inner chamber is placed on the outer chamber boss, the inner chamber hole is close to the burner and is flanged upwards, and a gap between the inner chamber hole and the burner is used as an outer air supplement port for secondary air; and the pot rack consists of a pot rack ring and a plurality of pot rack legs and is arranged on the upper edge of the outer chamber. Through multi-aspect improvement, the thermal insulation performance and heat recovery are improved, the thermal efficiency is higher than that of various existing gas stoves, and the gas stove is easy to detach and wash.

The present specification relates to a coil module and a home appliance including the same. A home appliance according to one embodiment of the present invention may comprise: a coil module comprising a plurality of first coil units stacked in a vertical direction and comprising a plurality of working coils, and a plurality of second coil units stacked in the vertical direction, a plurality of second coil units including a plurality of sensing coils and a wiring pattern electrically connecting the terminal unit with the working coil or the terminal unit with the sensing coils, and arranged in a different layer from the plurality of first coil units; and a control unit that performs container detection by using the sensing coil, and controls driving of the working coil in accordance with a result of the container detection.

Proposed is a control method for a home appliance configured to detect a user's knock applied thereto that includes generating vibration detection signals corresponding to vibrations of three axial directions orthogonal to each other, and determining whether a vibration is generated by the user's knock by using a vibration detection signal of a first axial direction corresponding to a direction of the vibration generated by the user's knock.

The invention discloses a valve and a gas stove. The valve comprises a shell, a first outlet and a second outlet are formed in the front side of the shell, an inlet is formed in the rear side of the shell, a first channel and a second channel are formed in the shell, the rear ends of the first channel and the second channel communicate with the inlet, the front end of the first channel communicates with the first outlet, and the rear end of the second channel communicates with the second outlet. The front end of the second channel is communicated with the second outlet; the driving structure comprises a driving part and a transmission structure in transmission connection with the driving part, the transmission structure comprises a transmission shaft and a first cam and a second cam which are arranged on the transmission shaft, and the driving part can drive the first cam and the second cam to rotate in the radial direction of the transmission shaft through the transmission shaft; the first cam and the second cam are distributed towards different phases in the radial direction of the transmission shaft, and an avoiding area, a first cam exclusive area, an overlapping area and a second cam exclusive area which are sequentially distributed in the radial direction of the transmission shaft are formed between the first cam and the second cam in the axial direction of the transmission shaft.

The utility model provides a gas nozzle and a gas stove, and relates to the technical field of stoves. The gas nozzle comprises a nozzle body, a nozzle inlet and a nozzle outlet are formed in the two ends of the nozzle body respectively, and an injection cavity is formed in the nozzle body. The gas nozzle further comprises a zero-time injection hole, the zero-time injection hole penetrates through the nozzle body, and the two ends of the zero-time injection hole communicate with the injection cavity and the outside correspondingly. The included angle between the zero-time injection hole and the extending direction of the nozzle body is not larger than 90 degrees, the situation that the zero-time injection direction is perpendicular to the primary injection direction is avoided, then the situation that an air curtain hinders primary injection is avoided, meanwhile, the rotation inclination angle is set for the zero-time injection hole in the radial direction of the nozzle body, and therefore the zero-time injection hole better conforms to the air flowing direction, and the injection efficiency is improved. The loss of momentum and flow is reduced, zero-time injection and primary injection are matched to form a synergistic effect and promote each other, and the injection capacity is improved.

The invention provides an intelligent gas control method and system, and the method comprises the steps: judging whether there is no person beside a stove or not based on an identification sensor when the stove is disposed on a cooking bench; the method comprises the following steps: acquiring stove state information, determining a cooking type according to the stove state information, generating a safety early warning time length based on the cooking type, acquiring gas concentration within the safety early warning time length, and judging whether gas supply needs to be immediately and automatically cut off according to the gas concentration and the stove state information; if the fuel gas supply does not need to be cut off immediately and automatically, whether the fuel gas supply is cut off manually or not is recognized within the safety early warning duration, and if the fuel gas supply is not cut off manually, the fuel gas supply is cut off automatically after the safety early warning duration is reached. Through an intelligent and automatic gas control strategy, the safety problem caused by forgetting to turn off the gas stove during cooking is solved.

This disclosure relates to a method and system for coordinated control of a range hood and a cooktop. The method includes: acquiring a motion signal corresponding to the valve stem of the cooktop ignition valve and a valve switch signal corresponding to the cooktop ignition valve; performing signal conversion processing on the motion signal to obtain a corresponding linkage indication signal, which is used to drive a state analysis module to perform state analysis processing on the valve switch signal to obtain a cooktop state signal; and controlling the on / off state of the range hood based on the cooktop state signal. This disclosure, by driving the state analysis module through the corresponding linkage indication signal when the cooktop ignition valve stem moves, enables state analysis processing of the valve switch signal to obtain a cooktop state signal when the cooktop heat changes, thus reducing the power consumption of the state analysis module; and by controlling the on / off state of the range hood through the cooktop state signal, it achieves coordinated operation of the cooktop and range hood.

The invention relates to the technical field of gas stoves, and particularly provides a control method of a gas stove and the gas stove.The control method comprises the steps that in response to the fact that the gas stove is in a dry burning state, whether the gas stove is in a firepower adjusting state or not is determined based on firepower adjusting information of the gas stove; responding to the firepower adjusting state of the gas stove, and adjusting a dry burning judgment strategy of the gas stove; and controlling the gas stove to stop working in response to the situation that the gas stove is not in the firepower adjusting state. According to the control method provided by the invention, the judgment precision of the dry burning state can be improved.

The present invention provides a burner and a gas stove, relating to the technical field of gas stoves. The burner provided by the present invention has a secondary air passage and includes: a burner head, a gas distributor, and a fire cover assembly, the fire cover assembly including an inner fire cover and an outer fire cover; one end of the gas distributor is connected to the burner head, and the other end is connected to the inner fire cover and the outer fire cover, the inner fire cover being located inside the outer fire cover; the inner fire cover is provided with an inner fire cover fire hole and an inner fire cover oxygen supply hole, the inner fire cover oxygen supply hole being arranged adjacent to the inner fire cover fire hole, and the outer fire cover is provided with an outer fire cover fire hole and an outer fire cover oxygen supply hole, the outer fire cover oxygen supply hole being arranged adjacent to the outer fire cover fire hole, and both the inner fire cover oxygen supply hole and the outer fire cover oxygen supply hole are connected to the secondary air passage. The burner and gas stove provided by the present invention solve the problem of being unable to supply secondary air to the burner in a direction.