1731 results about "Gas cooking stove" patented technology

The cooker appliance (1) has a horizontal cooking surface (10) of a given height (Hw), a gas “G” manifold assembly (2) with a plurality of taps (8) provided with a rotary shaft (9) for regulating the gas flow (Q), supported in a fixed position apart from one another on a front support wall (11) and at a given height (Hv) of the appliance. The control panel (3) provided with each of the rotary tap control knobs (4) is orientable up to as much as a right angle (A) by means of a pivoting axle (6), whereby the control knobs (4) are positioned either downwards in a rest position or else upwards at the level of the cooking plane (10) for the regulating manoeuvre, on a horizontal plane (P) at an increased height “Hv+Hv”. The control knob shafts (7) are coupled to the taps (8) by means of a flexible shaft (5) for transmitting the respective rotation, extended within a cavity (3a) for housing the taps (8) which is formed by the control panel.

The invention discloses a burner cap of a household gas stove. The burner cap of the household gas stove comprises a burner cap body and an upper cover arranged at the top of the burner cap body. The burner cap is characterized in that the burner cap body is provided with an inner ring wall and an outer ring wall, a center through hole is formed in the center of the inner ring wall, an annular channel is formed between the inner ring wall and the outer ring wall, a through hole is formed in the bottom of the annular channel, and the upper cover is of a sheet structure densely provided with meshes. The invention further discloses a combustor provided with the burner cap of the household gas stove, the burner cap is arranged on a gas mixing chamber, the center through hole is communicated with an inner ring gas mixing cavity, and the through hole in the bottom of the annular channel is communicated with a middle ring gas mixing cavity. The burner cap of the household gas stove has the advantages that by the adoption of the burner cap, a middle ring needs little secondary air, an inner ring achieves fully premixed atmospheric combustion, the temperature of burning flame reaches about 1000 DEG C, the flame is directly injected, combustion is centralized, the secondary air takes little heat away, and therefore the heat efficiency is good; on the premise of ensuring the heat efficiency, little secondary air is needed, and the diameter of the combustor can be small relatively.

In one aspect the invention discloses a gas cooktop which is relatively easy to clean and which is not visually complex. The gas cooktop surface is provided with a trivet having two operating conditions. In a first condition the trivet is retracted and is substantially flush with the cooktop surface. In a second condition the trivet is extended Lo support a cooking vessel above a gas burner. In another aspect the invention discloses an improved gas burner with a high turn-down ratio. The improved burner includes first and second gas flow passages, a flame front locator, in one of the passages and a burner head. Fuel gas is injected into an end of one of said passages and is ignited to establish a flame at the flame front locator. Secondary combustion air is provided through the other of the passages which on a high setting enables secondary combustion and on a low setting may mix with the hot gases and cool them resulting in a lower temperature at the cooking vessel.

A gas cooking stove, comprising a cooking stove body, a top plate, a burner, a gas flow control device, a control part, and an operating part of electrical contact type transmitting signals for the ignition, fire extinguishment, and heating power control of the burner. The gas flow control device supplies and cuts off gas to the burner, and controls heating power by controlling gas flow. The control part controls the gas flow control device to instruct the ignition, fire extinguishment, and heating power control of the burner. The operating part is disposed on the top surface of the top plate at a position not thermally affected by the burner. Or the operating part is disposed on the top surface of the top plate and a temperature detector for detecting temperatures near the operating part is additionally installed, and the control part changes the heating power of the burner based on the temperature detected by the temperature detector.

The invention discloses a control method of a gas stove and the gas stove. The control method of the gas stove comprises the following steps: acquiring a detection temperature at the bottom of a pot body; acquiring the collection quantity K of detection temperatures Ti, and calculating the difference between the collection quantity K and the preset temperature data quantity N; and when the calculated difference is greater than zero, calculating the standard deviation among N detection temperatures in TK-N to TK intervals, and denoting the standard deviation as the temperature change rate, wherein TK-N stands for the (K-N)th detection temperature and TK stands for the Kth detection temperature. By adoption of the above technical scheme, the dry burning temperature setting precision can be improved, and the dry burning operation can be effectively prevented.

The invention relates to a combustor fire cover for a gas stove and a combustor of the gas stove thereby. The combustor fire cover for the gas stove (1) comprises a cover body (1) with a cover body base plane (9), the cover body roughly presents a circle, a cover body gas containing cavity (2) is formed by the indent of the downside of the cover body, and the cover body is provided with fire outlets (3) penetrating through the cover body. The combustor fire cover is characterized in that at least a peak-shaped fluctuation (4) which is homocentric with the cover body is formed on the cover body base plane and comprises at least two peak-shaped fluctuation sections in disjunctive distribution, and an outer slope face (5) orientating the direction deviating from the centre of the cover body is formed on each peak-shaped fluctuation section and provided with the fire outlet (3). The fire cover realizes that the fire outlets on the combustor fire cover are distributed more uniformly, to ensure that the flames are distributed more uniformly when the combustor is at work, and the heating efficiency is improved.

The invention discloses an energy-saving gas stove which comprises an energy collecting cavity, a stove wall, a phase change heat accumulator, ribs, an infrared radiation ceramic plate and a gas stove head, wherein the stove wall is of an opening cavity structure; the upper end of an opening is used for holding cookware; the gas stove head is arranged in the opening at the bottom center of the stove wall; the energy collecting cavity is arranged at the lower end in the stove wall cavity and is of a cylindrical cavity structure; the upper surface of the energy collecting cavity is a pot-shaped curved surface; a plurality of ribs are arranged between an upper bottom surface and a lower bottom surface in the cavity of the energy collecting cavity at intervals; the infrared radiation ceramic plate is attached to the upper surface of the energy collecting cavity; and the phase change heat accumulator is arranged in the energy collecting cavity. According to the energy-saving gas stove disclosed by the invention, the infrared radiation ceramic plate reflects and absorbs the heat which is not utilized by an iron pan and part of heat is transmitted to the energy collecting cavity for storing energy. When the energy collecting cavity releases the heat, the heat is transmitted to the infrared radiation ceramic plate and generates infrared radiation for heating the iron pan. According to the gas cooking stove disclosed by the invention, the heat energy utilization rate of the gas cooking stove is increased and the aim of saving energy is achieved.

The invention provides an integrated gas stove combined with an air energy water heater and a range hood, which can solve the problem in the prior art that the residual heat of oil fume in the cooking process of the gas stove is not fully utilized. The technical solution of the present invention is to include an air energy water heater, a gas stove, a range hood and a cabinet room, an air energy heat pump water heater includes a water tank, a compressor, a condenser, an evaporator, an expansion valve, and a working fluid circulation pipeline, The condenser, the expansion valve and the evaporator are connected by a working medium circulation pipeline to form a working medium circulation. The condenser is installed at the water tank to heat the water in the inner tank of the water tank. The range hood includes a fan, a suction duct, a suction The air outlet and the air exhaust outlet, the gas stove is arranged on the table top of the cabinet room, and the evaporator is arranged in the air suction channel. The present invention is a new design integrating an air energy water heater, a range hood and a gas stove, fully utilizes the residual heat of the oil fume to be transferred to the evaporator, saves electric energy and reduces costs.

The invention discloses a multilayer inner flame combustor which consists of a combustor body and a distributor device, two fire orifice layers of an upper layer and a lower layer are arranged on the distributor device, and fire orifice outlets are arranged inwards; air channels are arranged or not arranged between fire orifices in the upper layer; a single inner chamber or two independent inner chambers are arranged; the two independent inner chambers are arranged so as to independently adjust flame in the upper and the lower layers; the air channels are arranged so as to lead air supplement to be more sufficient. The multilayer inner flame combustor is characterized by double-layered cyclonic flame, large heat transfer rate, high thermal efficiency, low CO and NOx content in flue gas and unblocked fire orifices, and the like, and can be widely used in inner flame gas cookers.

A household gas stove comprises a combustor and a fan, wherein a gas inlet and a gas outlet are formed in the combustor, and an air inlet and an air outlet are formed on the fan. The household gas stove is mainly characterized by further comprising a mixer, a controller and a gas proportional valve, wherein a gas inlet and a gas outlet are formed in the gas proportional valve, a mixed gas outlet in the mixer is communicated with the gas inlet on the combustor, the gas outlet in the gas proportional valve and the air outlet in the fan are communicated with the mixer, the gas proportional valve, the fan and the controller are electrically connected, and the gas proportional valve and the fan enable proportion of gas and air in the mixed gas to be in a proportion for thorough burning under control of the controller. The household gas stove has the advantages of enabling the gas and the air to be mixed evenly and further enabling the gas to be fully burnt.

The invention discloses a gas stove which comprises at least one of a gas leakage detection and voice alarm device, a low-electric-quantity voice reminding device, an accidental flameout detection and alarm device, a normal flame taking-off voice reminding device, a dry burning preventing voice reminding device and an ignition failure voice reminding device. The devices are electrically connected with a controller (201) and a voice reminding device (500). The voice reminding device comprises a voice chip (1) and a loudspeaker (2). The voice chip receives a function reminding signal sent by the controller and then drives the loudspeaker to give a reminding voice corresponding to the function reminding signal. According to the gas stove, additional voice reminding can be carried out, and therefore a user can rapidly and visually obtain information to treat the situation at once. Voice reminding for accidental flameout, normal flame taking-off, ignition failure and other more functions can be added, and great convenience is brought to the user; and meanwhile due to indication lamp reminding, remote reminding and the like, the user can obtain instant information even though being far away from the gas stove and then carries out emergency treatment.

The invention discloses a control method of a gas stove and a gas stove. The control method of the gas stove comprises the following steps: obtaining the detecting temperature of the bottom of a pot body; calculating the temperature varying rate of the bottom of the pot body according to the detecting temperature, wherein the temperature varying rate reflects the variation degree of the detectiontemperature in a period; comparing the temperature varying rate with a first preset temperature varying rate; when the temperature varying rate is smaller than or equal to the first preset temperaturevarying rate, comparing the detecting temperature with first heat conductive temperature; and when the detecting temperature is higher than or equal to the first heat conductive temperature, obtaining first dry-burn temperature corresponding to the detecting temperature. Through the technical scheme, the setting precision of the dry-burn temperature is improved, and dry-burn is effectively prevented.

The invention discloses a gas stove anti-dry-burning control method and device and a gas stove. The gas stove anti-dry-burning control method comprises the steps of sequentially acquiring the temperature of a pot body on the gas stove according to preset time intervals, namely delta t, and recording the temperature as TN, wherein N is a positive integer greater than zero; when TN is greater than T0, judging that the pot body reaches the dry-burning state, and controlling gas of the gas stove to stop burning; when TN is less than T', judging that the pot body does not reach the dry-burning state, and maintaining the state o the gas stove; when TN is greater than T' and less than or equal to T0, calculating a first order derivative, namely dTN/dt, and a second order derivative, namely d<2>TN/dt<2>, of the temperature TN, and judging whether dTN/dt and d<2>TN/dt<2> meet the requirements that dTN/dt is greater than delta1 and d<2>TN/dt<2> is greater than delta2 at the same time or not, wherein delta1 is greater than or equal to 0, and delta2 is greater than or equal to 0; if the requirements are met, judging that the pot body reaches the dry-burning state, and controlling the gas of the gas stove to stop burning; and if the requirements are not met, judging that the pot body does not reach the dry-burning state, and maintaining the state of the gas stove. By means of the gas stove anti-dry-burning control method, dry burning can be effectively avoided or stopped.

This invention relates to a sort of intellective gas oven, it consists of the head oven, the control plate, the control keyboard, the portfire and the intellective control valve which is made up of the one that the gas valve and the valve drive the electric engine. The gas valve of the intellective control valve in this invention connects with the head oven and the gas pipe. The gas valve drives in this invention drives this gas valve in this invention which is connects with the electric engine. The control plate connects with the control keyboard and the valve by electricity in order to drive the electric engine. It is characterized in that: this gas valve is a sort of multichanne valve which has an admitting pipe and several escape pipes. The several escape pipes connect respectively with each fire loop of the head oven having several fire loops. The several escape pipes in this invention distribute to each other along the spool arbor of the gas valve, the spool of the gas valve has the spool bore which can alter aperture along the circle in turn related to each center of the escape pipe. It has this excellence in that: firepower accommodation with six sects in order to satisfy different require of the cooking method, safe when using, simple and convenient operation, high ignition frequency, no impulse noise when igniting.

The invention discloses a gas stove comprising a combustor, a gas input device, a blower device and a control device. The combustor is connected with the gas input device, the blower device and the control device, and is used for receiving the ignition control of the control device and burning mixing gas of gas input by the gas input device and air input by the blower device. The gas input device is connected with the control device and controlled by the control device to regulate the input quantity of gas. The blower device is connected with the control device and controlled by the control device to regulate the input quantity of air. The control device is used for regulating gas input by the gas input device and the quantity of air input by the blower device according to a preset proportion. In the embodiment of the invention, the gas and air are combusted after being mixed according to a reasonable proportion by integrally controlling the air input of gas and air so that the gas is fully combusted, the combustion efficiency of gas is improved, and the discharge of harmful substances is reduced.

The invention discloses an intelligent temperature control and time control device for a gas stove and an intelligent temperature control and time control gas stove. The intelligent temperature control and time control device for the gas stove consists of an electronic control unit, a manual gas valve switch, a pulse ignition device, a thermocouple or ion flame-out protection device, a pot temperature sensor, a master electromagnetic valve, a big fire electromagnetic valve and a soft fire electromagnetic valve; the intelligent temperature control and time control gas stove consists of the intelligent temperature control and time control device for the gas stove, a burner and a gas stove shell; the intelligent temperature control and time control gas stove can be conveniently converted between manual cooking and intelligent cooking; in an automatic mode, temperature and time can be automatically controlled according to the amount of food to complete cooking tasks of cooking rice, cooking congee, steaming meat, steaming steamed buns, stewing meat, cooking rice in hot pot, heating rice, making cakes, cooking soup and boiling water; delayed cooking can also be appointed; users can be liberated from busy cooking affairs; moreover, the intelligent temperature control and time control device for the gas stove and the intelligent temperature control and time control gas stove are energy-saving and environmental friendly.

The invention provides a gas valve device, which comprises a gas inlet, a master-control electromagnetic valve, a first gas mixing cavity, a control module, and a first electromagnetic valve arranged between the master-control electromagnetic valve and the first gas mixing cavity, wherein the gas inlet is communicated with a main gas pipe; the first gas mixing cavity is used for supplying gas to a burner; when the master-control electromagnetic valve is opened, the gas can pass through the master-control electromagnetic valve to flow to the first electromagnetic valve; when the master-control electromagnetic valve is closed, the gas cannot pass through the master-control electromagnetic valve to flow to the first electromagnetic valve; the first electromagnetic valve is used for controlling whether the gas passing through the master-control electromagnetic valve flows to the first gas mixing cavity and/or controlling the flow velocity of the gas; and the control module is used for controlling the master-control electromagnetic valve and the first electromagnetic valve. Therefore, mechanical or half-mechanical gas control modes always adopted in the field of gas stoves are changed, and the intelligent control degree for the gas is improved.

The invention discloses a gas stove, comprising a plug valve, a current drive valve, a burner, an igniter and a control system, wherein the control system comprises a first switch, a second switch and a timer. The first switch is used for controlling current supplied to the current drive valve so as to keep the current drive valve in the active state, the second switch is used for controlling the current supplied to the current drive valve so as to keep the current drive valve in the active state, and the timer is electrically connected with the first switch and the second switch and is used for controlling the first switch and the second switch to keep conduction for a certain period of time after the plug valve is operated. A multistage control circuit of the current drive valve is provided, and the rest of switches and timers also can close the current drive valve in the preset period of time although short circuit happens when a switch or a timer in one stage of control circuit has fault, thereby largely reducing the probability that the fuel gas is leaked to cause security incident due to the element fault.

The invention provides a plug valve, and relates to the technical field of gas stove accessories. The plug valve comprises a valve body and a valve element, wherein the valve body is provided with a gas inlet channel, a main fire channel and a secondary fire channel; the valve element is installed in the valve body, the valve element can rotate relative to the valve body, a valve cavity is formedin the valve element in a penetrating mode, and vent holes which are blocked from the valve cavity is formed in the outer peripheral wall of the valve element; the vent holes comprise a gas inlet communicating with the gas inlet channel, a main fire gas outlet hole communicating with the main fire channel and a secondary fire gas outlet hole communicating with the secondary fire channel; a gas guide groove which is blocked from the valve cavity is further formed in the outer peripheral wall of the valve element; and the gas inlet, the main fire gas outlet hole and the secondary fire gas outlethole communicate with the gas guide groove. Through the arrangement and the guide effect of the gas guide groove, gas is averagely divided, so that the gas flow in the main fire channel is the same as the gas flow in the secondary fire channel; and the gas inlet, the main fire gas outlet hole, the secondary fire gas outlet hole and the gas guide groove are blocked from the valve cavity, so that the problem that the gas flows into the valve cavity from the bottom of the valve cavity is solved, and the safety is improved.

The invention relates to a gas stove temperature measurement device, a gas stove and a gas stove temperature control method, relates to the technical field of stoves, and is designed to solve the problems that carbon is deposited on the head part of an existing temperature sensor, the service life is short and the temperature of a cooker cannot be fed back in real time. The gas stove temperature measurement device comprises an infrared temperature sensor, a sleeve penetrating through an inner ring fire cover of the gas stove from bottom to top, and a piece of high temperature resistant glass covered on the sleeve and used for being abutted against the cooker, the infrared temperature sensor is located at the lower part of the sleeve, an emitted infrared ray penetrates through the high temperature resistant glass through the internal space of the sleeve without touching the inner wall of the sleeve and is furthered radiated at the bottom part of the cooker, so that the temperature of the cooker is sensed and measured. The gas stove comprises a control module, an ejector pipe and the gas stove temperature measurement device. The gas stove temperature measurement device, the gas stoveand the gas stove temperature control method provided by the invention are used to sense, measure and feed the temperature of the cooker in the cooking process in real time, so that the temperature of the gas stove is intelligently controlled.

The invention provides a burner and a gas stove comprising the same. The burner comprises a stove head, an air distribution plate assembly, a burner cap and a cooling element; the air distribution plate assembly covers above the stove head; the burner cap covers above the air distribution plate assembly and is provided with a fire hole; the cooling element is located at the position of the fire outlet of the fire hole and used for cooling the flame formed at the position of the fire hole. According to the burner, the burner cap is provided with the cooling element and accordingly the temperature of the flame particularly the outer flame is reduced, the generation of the high temperature oxide nitrogen oxide is inhibited, and the low nitrogen requirement of an energy-saving environment-friendly burner is achieved; the cooling element is provided with a ventilation hole or a ventilation groove and accordingly the secondary air required by burning of the burner can be supplied to enable the gas to be fully burned and accordingly the heating efficiency of the burner is improved and the generation of the carbonic oxide is reduced; meanwhile the structure is simple and the maintenance and the cleaning are convenient.

An intelligent fuel gas oven controlled by computer cosists of a fuel gas oven, pot support frame on the oven, ignition device set at front end of pot support frame near the oven, control panel board set at front end of face panel for the oven with its surface to be set with control keyboard, indicator and remote control of receiving inductor and its internal to be set with computer control system, also temperature sensing probe and gas leakage inductor to be set on the face panel of the oven. The principle circuit of intelligent fuel gas oven uses single chip computer of IC1 as a core controller together to connect with the following functional parts of keyboard circuit, temperature measuring, voice, gas leakage detecting, low voltage detection for ignition, infrared remote control receiving, output control, indication, no pot detection, infrared emission part to be extended, serial interface and power supply.

The invention relates to a combustion gas catalyst, a preparation method and application thereof, a catalytic burner and a preparation method thereof. The combustion gas catalyst comprises a carrier, a catalytic active component and a modifier, wherein the carrier is mainly prepared from Al2O3, and the catalytic active component consists of either or both of Pt and Pd. The combustion gas catalyst disclosed by the invention has the characteristics that the catalytic activity is high, the performance is stable, no naked fire exists during burning, the burning is sufficient, toxic waste gases are hardly produced, and the like, and the service life is long under the normal working temperature of 1,100 DEG C. The catalytic burner disclosed by the invention has very high infrared radiation efficiency, polluting gases of burnt gas are few, the cost is low, the burner is less prone to backfiring, and the use safety performance of combustion gas is high, so that the catalytic burner can be applied to the manufacture of gas stoves, gas water heaters, gas heaters, gas boilers or industrial gas drying equipment and the like.