2062results about "Gaseous heating fuel" patented technology

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 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.

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 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.

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.

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 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 with 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 application relates to the technical field of gas stoves, in particular to a gas burner and an updraft combustion burner. The gas burner comprises a circumferentially arranged outer ring structure, which comprises an inner ring wall and an outer ring wall, the outer ring structure forms an outer ring flow channel and a mixing cavity which are communicated with each other; an outer ring ejection pipe arranged below the outer ring flow channel, the outlet of the outer ring ejection pipe is communicated with the mixing cavity; and a shunt plate buckled in the outer ring structure, the shunt plate is provided with a first shunt area and a second shunt area, the first shunt area is arranged above the outer ring flow channel in correspondence, and the second shunt area is arranged above the mixing cavity in correspondence. The updraft combustion burner comprises the gas burner. The technical problem that the gas and air of the updraft combustion burner are not mixed sufficiently and the performance of the combustion burner is affected is solved.

Systems, devices, and methods of use and manufacture are provided for a modular grill and smoker device micro-coated with an oxide layer for cooking food that include a first chamber, a door for opening and sealably closing the first chamber, an airflow corridor creating a hull around the first chamber for channeling air around the first chamber with at least one lower vent and at least one upper vent, as well as integration with electronic user devices.

The invention discloses a dry burning prevention control method, device and system based on protection point temperature dynamic adjustment, and belongs to the field of kitchen appliances. The method is applied to a kitchen range, and the dry burning prevention control method comprises the steps that the current dry burning prevention temperature threshold value of the kitchen range is obtained, and the current position information of the kitchen range is obtained; based on the current position information, determining a first target adjustment value of an anti-dry-burning temperature threshold value of the cooker; based on the current anti-dry-burning temperature threshold value and the first target adjustment value, determining a target anti-dry-burning temperature threshold value of the cooker; and based on the current pot bottom temperature of the cooker and the target anti-dry-burning temperature threshold value, controlling the cooker to carry out anti-dry-burning protection. The cooker can be intelligently controlled to carry out anti-dry-burning protection, and the accuracy and reliability of the anti-dry-burning protection are improved.

The utility model provides a safety gas valve which comprises a valve body, a gas inlet channel, a gas outlet channel, a lower installation cavity and an upper installation cavity are arranged in the valve body, a ball valve is arranged in the gas outlet channel, an electromagnetic valve assembly is arranged in the lower installation cavity, the electromagnetic valve assembly is connected with an induction device through an electric control device, and the induction device is connected with the ball valve. The upper mounting cavity is correspondingly arranged above the lower mounting cavity, a valve rod connected with the ball valve is in clearance sealing connection in the upper mounting cavity, a bouncing valve element assembly is arranged in the valve rod, and the lower end of the bouncing valve element assembly penetrates out of the ball valve and is arranged above the electromagnetic valve assembly; the gas stove is reasonable and compact in structure, circulation of the ball valve and the gas outlet channel is controlled by rotating the ball valve through the valve rod, circulation of the ball valve and the gas inlet channel is controlled through cooperation of the electromagnetic valve assembly, the induction device and the bouncing valve element assembly, gas leakage caused by misoperation under the condition that the gas stove is shut down accidentally and is unattended can be avoided, and the safety of the gas stove is improved. The use is safer.

A cooktop appliance and a gas burner assembly are provided. The gas burner assembly is positioned at a top panel and includes an annular burner body positioned at a top surface of the top panel. The annular burner body forms a central combustion zone, a plurality of flame ports at the central combustion zone, and an annular mixing chamber upstream from the plurality of flame ports to permit a fuel-air mixture to flow into the central combustion zone through the plurality of flame ports. An annular burner base forms a bottom wall of the mixing chamber and an annular burner head forms a top wall of the mixing chamber. A puck including a domed projection separably positioned at the top surface of the top panel and extending toward the central combustion zone.

The invention relates to the technical field of plasma electric flame stoves, in particular to a system for supplying nitrogen through centralized air separation for an electric flame stove and a working method. The system comprises an air compression and pretreatment unit, a pressure swing adsorption separation unit, a nitrogen buffer pressure stabilization unit, a nitrogen distribution conveying pipe network, a user side regulation and control unit and at least one electric flame stove which are sequentially connected in the gas flow direction. According to the invention, through centralized nitrogen generation and pipeline distribution, the problem of large-flow nitrogen supply of dispersed users is solved, and the emission of nitrogen oxides is greatly reduced due to the use of oxygen-free nitrogen by the electric flame stove. According to the system, indoor oxygen supplementation of oxygen-enriched gas and domestic hot water recovery of compressed waste heat are achieved at the same time, and the comprehensive utilization efficiency of resources is improved; by adopting the carbon steel pipe net, the construction cost is reduced, and nitrogen with different purities can be flexibly produced to meet multiple requirements; and real-time matching of nitrogen supply and stove power is realized through intelligent flow control of a user side, and stable and efficient operation is guaranteed.

The invention relates to a gas cooktop (10) comprising a main gas inlet pipe (4) for channelling gas to at least one gas tap (6), a gas burner (7) connected to the gas tap (6) by means of a secondary gas pipe (8) and a gas inlet connector (1) for connecting a main gas inlet pipe end (41) to a grid pipe outlet (51) of a gas supply grid pipe (5), wherein the gas inlet connector (1) has a nut element (2), with a screwed head portion (21) connected with a screwed fitting to the main gas inlet pipe end (41), with a connecting portion (22) provided with a ring-shaped sealing slot (23) in a circumferential direction with a sealing gasket (24), and with a nut portion (25) arranged between the head portion (21) and the connecting portion (22), and at least one first elbow-shaped connection fitting (3), with a coupling part (32) removably connected to the connecting portion (22) and a connector part (31) having a first thread (33) to connect the at least one first connection fitting (3) to the grid pipe outlet (51) by means of a screwable fitting. To achieve a versatile installation of the gas cooktop, the gas inlet connector (1) further has a second connection fitting (3') connectable by means of its coupling part (32') to the connecting portion (22) of the nut element (22) replacing the first connection fitting (31) and differing from the first connection fitting (31) in that the connector part (31') of the second connection fitting (31') has a second thread (33') different from the first thread (33) regarding metric and / or diameter.

The utility model discloses a high-speed furnace for buffering heat transfer, which is characterized by further comprising a flow blocking ring and a bottom sealing plate, a ring-shaped supporting seat which protrudes upwards and is used for supporting a pot body is integrally formed on the outer edge of the top surface of a heat conducting disc, the ring-shaped supporting seat encloses the space above the heat conducting disc to form a heating cavity, the flow blocking ring is erected above the top surface of the heat conducting disc, and the bottom sealing plate is arranged on the bottom sealing plate. The heat conduction disc is provided with a plurality of blowing holes, the bottom sealing plate is fixedly installed at the bottom of the heat conduction disc, the bottom sealing plate is provided with an air inlet pipe hole, the bottom sealing plate divides the bottom space of the heat conduction disc into a cavity used for air circulation, the cavity is communicated with the bottoms of the blowing holes and the air inlet pipe hole, and the tops of the blowing holes are communicated with the heating cavity. The heat conduction disc is further provided with a plurality of assembling holes used for installing an ignition assembly, a fuel gas assembly and a flame-out protection device, and the air inlet pipe hole communicates with a gas supply device through a pipe body. Fuel can be effectively saved, and the heat energy utilization rate during fuel combustion can be effectively improved in a heat energy transmission buffering mode.

The utility model belongs to the technical field of the range, specifically provides a gas -cooker and combustion module. The utility model aims at solving the problem of higher cost when replacing the existing gas -cooker. The combustion module of the utility model includes bottom shell, burner, air inlet pipe and pot rack cover. The side of the bottom shell horizontal direction is provided with the insertion boss, to make the bottom shell with the base of gas -cooker insertion together with the help of insertion boss. The burner is set up in the bottom shell and is connected with the fixed connection of bottom shell. The air inlet end of air inlet pipe is connected with insertion boss fixedly, to make the air inlet of air inlet pipe form on insertion boss, the air outlet end of air inlet pipe is connected with the burner, to introduce the gas into the burner through air inlet pipe. The pot rack cover is installed on the bottom shell, to shield the internal space of bottom shell, and the cover hole for avoiding the burner is set up on the pot rack cover, to make the top end of burner protrude the pot rack cover. The combustion module with the above structure of the utility model overcomes the above technical problem.

This utility model relates to a novel gas valve body structure, comprising a valve body with an air inlet, a valve core cavity, a first gas outlet rod, a second gas outlet rod, and a shut-off valve. The air inlet communicates with the valve core cavity, which contains a valve core for distributing gas. The first gas outlet rod is located at the front of the valve core cavity and extends forward, communicating with the valve core cavity. A gas distribution rod is located on the right side of the valve core cavity, and a second gas outlet rod is connected to the gas distribution rod and parallel to the first gas outlet rod. The shut-off valve is located between the first and second gas outlet rods and controls the gas flow of the second gas outlet rod. The shut-off valves are arranged in a front-to-back configuration. This layout effectively adapts to the installation space of gas stoves of different sizes, solving the installation conflict problem caused by the unreasonable position of the shut-off valve in traditional multi-outlet valve bodies, and greatly improving versatility.

The invention discloses an integrated cooker. The integrated cooker comprises an electric control assembly and a smoke suction and exhaust device, the electric control assembly comprises an electric control box, an electric control module and a fan, the electric control module is arranged in the electric control box, a first air inlet and an air outlet are formed in the electric control box, the fan is arranged at the first air inlet and / or the air outlet, the smoke suction and exhaust device comprises a shell, and a second air inlet is formed in the shell. The air outlet communicates with the second air inlet. According to the integrated cooker, the fan is installed on the electric control box, and when the fan runs, the heat dissipation airflow from the first air inlet, the air outlet and the second air inlet in sequence can be established, so that heat dissipation is conducted on the electric control module in the electric control box, and it is guaranteed that the electric control module and devices on the electric control module work within the normal temperature range to a certain extent.

The present invention relates to an overheating prevention device and a heating system, comprising: an infrared imaging device (300) provided at a position separated from a heating unit (21) above the heating unit (21) such that the heating unit (21) and a user enter an imaging range; a temperature calculation unit (7) that calculates the temperature of the object to be heated on the basis of the thermal image obtained from the infrared imaging device (300); a person detection unit (6) that detects the presence of a user on the basis of the thermal image; and a control unit (2) that controls the operation of the heating unit (21) via the communication unit (4) on the basis of the information relating to the operation of the user obtained from the heating device (200) via the communication unit (4), the detection result of the user obtained from the person detection unit (6), and the temperature information of the object to be heated obtained from the temperature calculation unit (7).

In a cooking device provided with a burner unit B including a gas burner 2 with a plurality of upwardly opening flame holes 22 formed along the X-axis direction, with two orthogonal horizontal directions being the X-axis direction and the Y-axis direction, and a heating plate 3 with an upwardly convex cross section arranged above the gas burner 2, the combustion gas overflowing from below the heating plate 3 outward in the Y-axis direction can be effectively used to heat an object to be cooked located directly above the burner unit B, thereby improving thermal efficiency. [Solution] Diffusion prevention plates 7 are erected on both outer sides in the Y-axis direction of burner unit B. The length of the diffusion prevention plate 7 in the X-axis direction is set so that it extends beyond the X-axis range in which flame holes 22 of gas burners 2 are formed on one side and the other in the X-axis direction. In addition, the lower end of the diffusion prevention plate 7 is located below the flame holes 22 of gas burners 2, and the upper end of the diffusion prevention plate 7 is located above the side edges on both sides in the Y-axis direction that are the lowest parts of the heat plate 3.

Disclosed is a control system for a gas fireplace, including a housing, a direct push valve and a driving mechanism, where the direct push valve is disposed on the housing, and includes a valve body, and a push rod disposed along an axis of the valve body, the driving mechanism is disposed on the housing, and is capable of driving the push rod to do linear motion along the axis of the valve body, and the driving mechanism includes an operating rod doing linear motion along the housing, a first connecting rod hinged to a bottom end of the operating rod, a rotating rod hinged to the other end of the first connecting rod, a second connecting rod hinged to the other end of the rotating rod, and a jacking rod hinged to the other end of the second connecting rod. A rotating shaft is disposed on the housing, the rotating rod is capable of rotating around the rotating shaft, and the jacking rod is capable of doing linear motion along the axis of the valve body. When the operating rod does linear motion in a vertical direction of the housing, the jacking rod is pushed to do linear motion along the axis of the valve body. When the jacking rod does linear motion along the axis of the valve body, the push rod is pushed to do linear motion along the axis of the valve body.

The application relates to the technical field of kitchen appliances, and discloses a stove. The stove comprises a lower shell, the lower shell is provided with a containing cavity, the top of the lower shell is provided with a first opening, the first opening is communicated with the containing cavity, a first panel is arranged on the top of the lower shell to cover the first opening, the top of the first panel is provided with a second opening, a second panel is connected with the first panel to shield the second opening, the second panel is a light-transmitting non-metal panel, and the second panel is not protruded from the first panel; a control assembly is arranged in the containing cavity, the control assembly is opposite to the second panel, the control assembly is configured to be triggered by pressing the second panel and display or transmit the cooking parameters through the second panel.

The present invention provides a gas burner device and a cooking appliance that can suppress the generation of yellow flames caused by a rapid increase in the burner's heat output. [Solution] When the control means 60 receives an instruction via the heat output instruction means 57 to increase the heat output of the burner 39 from the first heat output to the second heat output, the control means 60 pauses the opening of the gas quantity control valve 55, which adjusts the amount of fuel gas supplied to the burner 39, for a predetermined time or slows down the opening speed of the gas quantity control valve 55 while it is in the process of changing the opening degree of the gas quantity control valve 55 from the first heat output opening degree to obtain the first heat output to the second heat output opening degree to obtain the second heat output.

The embodiment of the application discloses a top air inlet type stove burner and integrated stove. The burner comprises: an isolation box for isolating the inside of the whole machine from the outside of the whole machine, the isolation box has an opening facing the outside of the whole machine, a suction pipe is arranged in the opening, a gas inlet connected with an air inlet pipe is arranged on a first side of the isolation box, a gas inlet end of the suction pipe is communicated with the gas inlet, and a gas outlet end of the suction pipe extends to an opposite second side; a burner head, an air inlet end of the burner head is connected with the gas outlet end of the suction pipe, and a gas outlet end of the burner head extends out of the opening of the isolation box; a gas distribution disc arranged on the opening of the isolation box comprises a gas passage for supplying gas to a fire cover, the gas outlet end of the burner head is communicated with the gas passage at a first edge of the gas distribution disc away from the gas inlet; and a damper adjusting assembly arranged in the isolation box, the damper adjusting assembly corresponds to the gas inlet and is connected with the gas inlet end of the suction pipe. The burner of the embodiment of the application can improve the safety of the integrated stove and can also adjust the combustion working condition in a wide range when the burner is installed on the integrated stove table.

The burner comprises a gas mixing chamber and a fire cover, the gas mixing chamber and the fire cover jointly define a gas mixing cavity of the burner, a fire transferring structure is arranged on the fire cover, the burner further comprises a shielding structure, the shielding structure is arranged in the gas mixing cavity, and the shielding structure is located between an inlet of the gas mixing cavity and the fire transferring structure; and in the radial direction of the combustor, the shielding structures are continuously arranged between the outer side wall and the inner side wall of the gas mixing cavity. According to the burner, the shielding structure is arranged in the gas mixing cavity, the shielding structure is located between the inlet of the gas mixing cavity and the fire transferring structure and is continuously arranged between the two walls of the gas mixing cavity in the radial direction, and gas is prevented from flowing to the fire transferring structure from the inlet of the gas mixing cavity along a straight line through the shielding structure; under the condition that the height of the gas mixing cavity is not increased, the path of fuel gas flowing from the inlet to the fire transferring structure is prolonged, the flow speed of the fuel gas flowing to the fire transferring structure is reduced, and flattening of the combustor is achieved.

The utility model discloses a gas stove safety protection device and relates to the technical field of kitchen ware equipment, the device comprises a gas stove body, an outer protection frame and a windproof assembly used for preventing the gas stove body from wind, the outer protection frame is installed on the outer wall of the gas stove body, and the windproof assembly comprises a moving groove. The movable grooves are formed in the two sides of the top of the outer protection frame, the interiors of the movable grooves are slidably connected with wind shields, the interiors of the wind shields are slidably connected with telescopic covers, the telescopic covers are slidably connected to the top of the outer protection frame, and lifting assemblies used for lifting the wind shields are arranged at the bottoms of the wind shields. The windproof cover in a retracted state can be taken out from the moving groove by synchronously pressing the windproof cover, and when the guide column moves to the bottom of the heart-shaped groove, the windproof cover can be quickly locked, it is ensured that the windproof cover cannot move accidentally in the using process, and the using safety is improved.