CN109915864B - Safe energy-saving gas cooking bench and intelligent kitchen gas energy-saving system - Google Patents

Abstract

The invention discloses a safe energy-saving gas cooking bench and an intelligent kitchen gas energy-saving system using the safe energy-saving gas cooking bench.

Description

Safe energy-saving gas cooking bench and intelligent kitchen gas energy-saving system

Technical Field

The invention relates to the field of energy conservation, in particular to a safe energy-saving gas cooking bench and an intelligent kitchen gas energy-saving system.

Background

The catering industry is an indispensable important part of modern life, in order to meet the service of large-scale catering, a whole set of commercial kitchen is often required to be configured at a place for providing the service of large-scale catering, and the current commercial kitchen has the following more or less defects in the use process: 1. the heat energy utilization rate of the commercial kitchen is low: in the process of completing cooking of foods by adopting heat exchange between flame and cooker, waste heat generated by flame combustion is released into the environment and wasted, so that the heat utilization rate is low, and the heat utilization rate of the current cooker can only reach about 36%, so that the energy consumption of a commercial kitchen is high; 2. the working environment of commercial kitchen is abominable: because the waste heat is released into the air to generate heat exchange, the working temperature of the kitchen is often higher, and the working temperature of many kitchens in summer is higher than 50 ℃, so that staff often work at a high temperature state, the working environment of chefs is deteriorated, and in order to reduce the temperature of the kitchen, the investment of arranging an exhaust system is even required to be additionally increased in some kitchens; in addition, the fumes from cooking are not completely extracted by the extractor, resulting in a kitchen in a harsh environment. 3. Additional hot water systems are required, adding unnecessary modification and use costs: in larger commercial kitchens, not only cooker systems but also hot water systems are required, and due to the large demands of cleaning or cooking or warming for hot water, existing kitchens often require hot water systems to provide sufficient quantities of hot water, also adding to the cost and energy expenditure. 4. There is a great potential safety hazard: gas leakage from commercial kitchens can cause considerable safety problems.

In summary, the current commercial kitchen has large energy consumption and waste, the kitchen environment is bad, and a set of kitchen energy-saving system with reasonable design is urgently needed.

Disclosure of Invention

The invention aims to provide a safe and energy-saving gas cooking bench and an intelligent kitchen gas energy-saving system, which can fully utilize the waste heat generated by a cooker during cooking and use the waste heat for heating water, thereby reducing the energy consumption expenditure of heating water, improving the utilization rate of heat and achieving the effect of energy saving; in addition, the waste heat generated during cooking of the cooker is recovered, so that the working temperature of a kitchen is reduced, and a comfortable working environment is provided for kitchen staff; the internet of things technology of the communication achieves the effect of intelligent control of the energy-saving kitchen.

In order to achieve any of the above objects, the present invention provides a safe and energy-saving gas cooktop comprising: the device comprises a hearth body, a disc type radiation heat exchanger, an ignition device and a smoke convection heat recovery device; the hearth body is internally provided with a combustion chamber, the disc type radiation heat exchanger is arranged in the combustion chamber, and the ignition device is arranged in a heat exchange cavity formed by the disc type radiation heat exchanger; the disc type radiation heat exchanger comprises a coil pipe which is communicated with each other, a heat exchange inlet arranged on one side of the coil pipe and a heat exchange outlet arranged on the other side of the coil pipe, wherein the coil pipe is prepared from a heat conduction material; the flue gas convection recovery device comprises a recovery shell, a flue inlet and a flue outlet, wherein a convection cavity is formed in the recovery shell, the flue inlet and the flue outlet are oppositely arranged on the recovery shell, and a flue gas heat exchange tube arranged in the convection cavity, wherein the flue inlet and the flue outlet form a flue, the flue inlet is correspondingly arranged at the flue outlet of the cooking bench body, the flue gas heat exchange tube comprises a convection heat exchange external connection tube and a convection heat exchange tube which are communicated, the convection heat exchange external connection tube is connected with the heat exchange outlet, and the convection heat exchange tube is arranged in the convection cavity.

In some embodiments, comprising: the gas-water linkage valve comprises a gas-water linkage valve and a linkage rod connected with the gas-water linkage valve and the linkage rod, wherein the gas-water linkage valve is arranged between a gas channel and an ignition device, the gas-water linkage valve is arranged on a heat exchange inlet and a cooking bench water inlet pipeline, the linkage rod is respectively and rotatably connected with the gas-water linkage valve and a fixed position on the gas-water linkage valve, and the length of the linkage rod is fixed.

In some embodiments, it comprises: the device comprises a weight sensing movable part, a shaft connecting part and a flame adjusting component, wherein the weight sensing movable part comprises a support rod body, a pressing sheet arranged on the top side of the support rod body and an elastic element connected with the pressing sheet, the elastic element is used for adjusting the position change of the flame adjusting component through driving the state change of the shaft connecting part, and the flame adjusting component is connected with the ignition device.

In some embodiments, the heat exchange chamber has an opening size smaller than a cross-sectional size of the cooker, and a height size of the heat exchange chamber satisfies the condition: and when the cooker is placed at the opening position of the cooking bench body, the cooker abuts against the opening of the heat exchange cavity or is spaced from the heat exchange cavity.

In some embodiments, the convection heat exchange tube is a surrounding tube arranged according to the flow direction of the flue gas and the cross flow and the forward flow, the size of the surrounding tube is matched with the shape and the size of the convection cavity, and the convection heat exchange tube is made of a temperature-resistant and pressure-resistant material.

According to another aspect of the present invention, there is provided an intelligent kitchen gas energy saving system comprising: the safe energy-saving gas stove comprises the water tank connected with the safe energy-saving gas stove, a use terminal connected with the water supplementing tank and a water conveying pipeline connected with each other; the water tank comprises a water supplementing tank and a hot water storage tank, wherein the water supplementing tank is connected with the safe energy-saving gas cooking bench through a cooking bench water inlet pipeline and a cooking bench water outlet pipeline; the hot water storage tank is connected with the water supplementing tank through a water tank water conveying pipeline, and an electromagnetic valve is arranged on the water tank water conveying pipeline; wherein the hot water storage tank is connected with the using terminal through a hot water output pipeline and a water recovery pipeline.

In some embodiments, the water replenishing tank is communicated with external water, a first water pump is arranged on the water inlet pipeline of the cooking bench, a temperature sensor is arranged on the water outlet pipeline of the cooking bench, the temperature of water in the water replenishing tank entering the water outlet pipeline of the cooking bench is obtained, and the temperature sensor is connected with and controls the electromagnetic valve.

In some embodiments, a second water pump is arranged on the hot water output pipeline, a flow valve is arranged on the water delivery pipeline, and a temperature control electric heater is arranged in the hot water storage tank.

In some embodiments, the control center is included, the control center obtains the temperature of the temperature sensor, judges whether the temperature of the temperature sensor is greater than a set temperature threshold, and if so, opens the electromagnetic valve.

In some embodiments, the system comprises a control center, wherein the control center acquires states of the first water pump and the second water pump, and alarms when abnormality occurs.

Compared with the prior art, the invention has the following beneficial effects:

1. the device is provided with the disc type radiation heat exchanger and the smoke convection heat recovery device, so that waste gas heat energy generated during cooking is fully collected, and is converted into hot water and recycled, the heat energy utilization rate generated during cooking is greatly improved, the energy utilization rate can be up to more than 80%, the kitchen energy consumption is reduced by nearly 50%, and the device contributes to energy conservation and emission reduction.

2. The circulating water system is arranged, so that the energy of hot water is fully utilized, the waste of water resources is reduced, and water flowing in the circulating water system is continuously subjected to heat exchange with the outside to cooperate with the recovery and utilization of heat energy.

3. The gas-water linkage valve is arranged, so that gas and water to be heated can be guaranteed to enter and exit simultaneously, circulating water is heated while heat energy is generated by combustion of the gas, heat energy is recovered, energy is further guaranteed not to be wasted, safety of a waste heat recovery system is guaranteed, and economic benefits of system use are improved.

4. The device for adjusting the flame of the pot-leaving flame is provided with a mechanical structure, and the mechanical structure is used for realizing the conversion of big and small flames when the cooker leaves the combustion chamber, so that the waste of heat energy generated by flame combustion is reduced, and the safety of a kitchen is ensured.

5. The air-water linkage valve and the flame adjusting device are both of mechanical structures, so that the air-water linkage valve and the flame adjusting device are not affected in a high-temperature working environment, and the air-water linkage valve has the characteristics of simplicity and convenience in installation and manufacture and reliable use function, thereby reducing potential safety hazards of a kitchen.

6. The emission of heat energy in the air is reduced through waste heat recovery, the temperature of the kitchen working environment is reduced, and the emission of greenhouse gases is reduced, so that the kitchen temperature can be controlled below 37 ℃, and a cook has a comfortable working environment.

7. The technology of the internet of things is communicated with the fault in the kitchen system, the water storage of the hot water storage tank is controlled through the temperature management, and the temperature control electric heater is arranged in the hot water storage tank, so that the temperature of hot water in the hot water storage tank is further ensured, the hot water system of the kitchen is ensured to be in a normal running state, and the condition that the temperature cannot reach the standard is avoided; the leakage of the fuel gas is managed, when the fuel gas leaks, an alarm is fed back in time, the fuel gas main gate is automatically closed, and the exhaust fan is automatically opened to empty the fuel gas, so that the safety level of a kitchen is improved; when the water pump or the water pipeline fails, feedback is timely performed, the situation that water flow is out of control or water leaks is avoided, and the kitchen safety level is improved.

Drawings

Fig. 1 is a schematic diagram of the overall system operation of an intelligent kitchen gas energy saving system in accordance with an embodiment of the present invention.

Fig. 2 is a schematic structural view of a safe energy-saving gas hob according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a gas-water linkage valve according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a disc type radiant heat exchanger according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of an off-pan flame adjusting device according to an embodiment of the present invention.

Fig. 6 is a schematic structural view 1 of an off-pan flame adjusting device according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a flue gas convective heat recovery device according to an embodiment of the present invention.

In the figure: 10-safe energy-saving gas cookers, 11-cookers body, 12-gas-water linkage valve, 121-ventilation switch, 122-water-through switch, 123-linkage piece, 13-disc type radiation heat exchanger, 131-heat exchange water inlet, 132-heat exchange water outlet, 133-heat exchange coil, 14-off-pot flame adjusting device, 141-weight sensing movable piece, 1411-tabletting piece, 1412-elastic element, 142-shaft connector, 143-flame adjusting component, 1431-flame adjusting rod, 15-ignition device, 16-smoke convection heat recovery device, 161-flue inlet, 162-flue outlet, 163-smoke heat exchange tube, 1631-convection heat exchange external connection tube, 1632-convection heat exchange tube, 164-partition board, 20-water tank, 21-water supplementing tank, 22-hot water storage tank, 30-conveying pipeline, 31-cookers water pipeline, 311-cookers water inlet pipe, 312-cookers water outlet device, 32-water tank water conveying pipeline, 33-hot water output pipeline, 34-water recovery pipeline, 40-use terminal, 41-cleaning equipment, 42-cleaning equipment, 50-display equipment, 60-central control equipment.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

As shown in fig. 1, the structure of the intelligent kitchen gas energy saving system according to an embodiment of the present invention is shown, and as shown in fig. 2 to 6, the structure of the safe energy saving gas stove 10 according to the present invention is shown, it should be mentioned that the safe energy saving gas stove 10 according to the present invention is applied to the intelligent kitchen gas energy saving system provided by the present invention, and of course, other stoves capable of converting cooking combustion waste heat into hot water may be adopted in the intelligent kitchen gas energy saving system.

As shown in fig. 2, the safe energy-saving gas cooking bench 10 at least comprises a cooking bench body 11, a gas-water linkage valve 12, a disc type radiation heat exchanger 13, an off-boiler flame adjusting device 14, an ignition device 15 and a smoke convection heat recovery device 16, wherein the ignition device 15 and the disc type radiation heat exchanger 13 are arranged in a combustion chamber formed in the cooking bench body 11, the gas-water linkage valve 12 is arranged on the outer side of the cooking bench body 11 and is respectively connected with the ignition device 15 and the disc type radiation heat exchanger 13, the off-boiler flame adjusting device 14 is arranged at an opening of the top side of the cooking bench body 11 and is connected with the ignition device 15, the smoke waste heat recovery device 16 is arranged above the rear of the cooking bench body 11 and is connected with a smoke outlet of the cooking bench body 11 by arranging a smoke flue therein, and preferably, a rectangular smoke flue can be welded.

Specifically, a combustion chamber is formed in the hob body 11, and a disc type radiant heat exchanger 13 and an ignition device 15 are disposed in the combustion chamber, and an ignition direction of the ignition device 15 is toward an opening of the combustion chamber. During cooking, the cooker is placed at the opening of the cooking bench body 1, the flame of the ignition device 15 contacts the bottom side of the cooker, so that the cooker is heated, and the shape of the opening of the cooking bench body 11 is matched with the shape of the bottom of the cooker, and the cooking bench body is of a circular structure generally.

At this time, the air-water linkage valve 12 includes the air-through switch 121, the water-through switch 122 and the linkage rod 123 connecting the two, wherein the air-through switch 121 is arranged on the gas channel to control the on-off of the gas, the water-through switch 122 is arranged on the kitchen range water inlet pipeline 311 to control the on-off of the water channel, one end of the linkage rod 123 is rotatably fixed on the fixed position of the water-through switch 122, the other end is rotatably fixed on the fixed position of the air-through switch 121, and the change of any switch position drives the change of the other switch through the linkage rod 123 due to the fixed length of the linkage rod 123, and the gas pipeline and the kitchen range water inlet pipeline 311 are always kept in the same on-off state.

In the embodiment of the invention, the ventilation switch 121 and the water switch 122 are arranged as rotary switch handles, and are respectively arranged on the gas pipeline and the hearth water inlet pipeline 311, and the ventilation switch 121 and the water switch 122 are arranged in a height dislocation manner.

The ignition device 15 is arranged at the center of the hearth body 11, one side of the ignition device 15 is connected with fuel gas through a fuel gas pipeline, and the gas-water linkage valve 12 is arranged at a position between the ignition device 15 and a fuel gas inlet, so that flame is generated after the fuel gas is ignited, and the cooker is heated.

The disc type radiant heat exchanger 13 comprises a coil pipe 133, a heat exchange inlet 131 arranged on one side of the coil pipe 133 and a heat exchange outlet 132 arranged on the other side of the coil pipe 133, wherein one side of the coil pipe 133 surrounds a heat exchange cavity which is communicated up and down, an ignition device 15 is arranged in the heat exchange cavity, the coil pipe 133 is made of heat conducting materials, and heat exchange between the inner side and the outer side can occur.

In addition, the heat exchange chamber formed by the coil 133 has the following characteristics: the opening size of the heat exchange cavity is smaller than the maximum cross-sectional size of the cookware, and the height size of the heat exchange cavity satisfies the requirement of abutting against the opening of the heat exchange cavity or being a certain distance from the opening of the heat exchange cavity when the cookware is placed at the opening position of the cooking bench body 11. Preferably, the height dimension of the heat exchange chamber is such that it abuts against the opening of the heat exchange chamber when the cookware is placed in the open position of the cooktop body 11, in which case loss of combustion heat can be reduced.

The disc type radiation heat exchanger 13 is a pipeline with a through hole, and the heat exchange inlet 131 is correspondingly connected with the hearth water inlet pipeline 311.

In the embodiment of the invention, the coil 133 is formed by rotationally stacking the through-hole pipelines in a manner that the multi-layer pipelines are arranged according to cross flow and concurrent flow after being guided by the smoke shielding plates in the smoke box, so that the cost of the coil 133 can be reduced, and preferably no gaps remain on the side of the coil 133. Of course, the coil 133 may be integrally formed.

In the practice of the present invention, the cross-sectional area of coil 133 of coil heat exchanger 13 is implemented as a circle, but it may be prepared in various closed patterns depending on cooker characteristics, as the invention is not limited in this respect. Nor is the size of the coil heat exchanger 13 limited by the present invention.

In the use process, the gas-water linkage valve 12 is connected with the gas and the cooking bench water inlet pipeline 311, the gas is ignited to heat the cooker, the circulating water enters the disc type radiation heat exchanger 13 from the cooking bench water inlet pipeline 311, at the moment, the heat energy generated by the ignition of the ignition device is heat-exchanged to the circulating water in the pipe through the disc type radiation heat exchanger 13, the circulating water flows out from the heat exchange outlet 132 after being heated, and at the moment, the combustion waste heat is converted into the energy of the heating water.

Moreover, the safe and energy-saving gas stove 10 not only can recycle the combustion waste heat, but also can recycle hot gas formed by combustion, the flue gas convection heat recycling device 16 comprises a recycling shell with a convection cavity formed therein, a flue inlet 161 and a flue outlet 162 which are oppositely arranged on the recycling shell, and a flue gas heat exchange tube 163 arranged in the convection cavity, wherein the flue inlet 161 and the flue outlet 162 are respectively arranged on the upper side and the lower side of the recycling shell, and are correspondingly arranged to form a flue; the flue gas heat exchanger 162 is disposed in the space formed by the flue.

Specifically, the flue gas waste heat recovery device 16 is installed above and behind the cooking bench 11, and the flue arranged on the flue is connected with the flue gas outlet of the cooking bench 11, namely, the flue gas generated by cooking of the cooker enters the convection cavity through the flue after being discharged through the flue gas outlet, and the temperature in the convection cavity is increased at the moment.

The flue gas heat exchange tube 163 comprises a convection heat exchange external tube 1631 and a convection heat exchange tube 1632 which are communicated, wherein the convection heat exchange external tube 1631 is connected with the heat exchange outlet 132, the convection heat exchange tube 1632 is arranged in the convection cavity and is surrounded by flue gas entering the flue, at the moment, hot water flowing out of the heat exchange outlet 132 enters the convection heat exchange tube 1632 to be continuously heated in a convection heat exchange mode, and the temperature of the flue gas can be reduced.

It should be noted that, in the embodiment of the present invention, the convection heat exchange tube 1632 is a layer-by-layer stacked surrounding tube, and may be implemented as a rectangular convection heat exchanger in cooperation with the shape of the convection chamber, in this way, the area of the convection chamber can be utilized to perform the convection heat exchange at the maximum area. The convective heat exchange tubes 1632 are made of a heat convectable material, optionally a metal hose, to better exchange heat with the flue gas.

In some embodiments, baffles are disposed within the flue gas convective heat recovery device 16 on either side of the convective chamber, the baffles defining a convective chamber, and a series of through holes may be disposed in the baffles.

The operating principle of the flue gas convection heat recovery device 16 is as follows: after the gas is ignited and subjected to heat exchange through a pan-type radiation heat exchanger of a frying pan, hot flue gas at about 220 ℃ is introduced into a flue gas waste heat recovery device 16 which is fully distributed with an annular metal hose through a flue, circulating water is continuously heated in a convection heat exchange mode, the discharged flue gas is reduced to below 80 ℃, and the waste heat is fully utilized.

In addition, the safe and energy-saving gas cooking bench 10 comprises a release flame adjusting device 14 arranged at the opening position of the cooking bench body 11, wherein the release flame adjusting device 14 comprises a weight sensing movable part 141, a shaft connecting part 142 and a flame adjusting component 143 which are sequentially connected, the weight sensing movable part 141 is arranged at the opening position of the cooking bench body 11 and is movable according to the sensed weight of a cooker, the flame adjusting component 143 is connected with a control ignition device 15, and the state change of the weight sensing movable part 141 adjusts the control of the flame adjusting component 143 on the ignition device 15 through the shaft connecting part 142.

Specifically, the weight sensing movable member 141 includes a support rod, a pressing plate 1411 disposed on a top side of the support rod, and an elastic member 1412 disposed on the support rod and connected to the pressing plate, wherein the support rod is disposed on a side of the cooking bench 11, and the pressing plate 1411 is disposed at an opening of the top side of the cooking bench 11 for receiving a cooker, and one end of the elastic member 1412 is connected to the pressing plate 1411, and the other end is connected to the shaft connecting member 142. When the cooker is placed on the cooktop body 11, the cooker press sheet 1411 presses the elastic element 1412 and thus the shaft link 142.

The other side of the shaft coupling 142 is connected to the flame adjusting assembly 143, when the shaft coupling 142 is in a compressed state, the shaft coupling 142 compresses the flame adjusting assembly 143 to be in the first position, and in the embodiment of the invention, when the flame adjusting assembly 143 is in the first position, the flame adjusting assembly 143 adjusts the ignition device 15 to be in a high fire gear.

Correspondingly, when the elastic element 1412 is relaxed, the shaft link 142 is loosened, thereby loosening the flame adjustment assembly 143 to the second position, and in an embodiment of the present invention, when the flame adjustment assembly 143 adjusts the ignition device 15 to a light or flameout gear.

In an embodiment of the present invention, the flame adjusting assembly 143 includes a flame adjusting lever 1431, and the flame adjusting lever 1431 is movable between different positions by adjusting the shaft coupling 142, so as to adjust flames of different gear positions.

Principle of operation of the flame adjusting device for the off-boiler: when the frying pan finishes cooking and leaves the hearth body 11, the kitchen range burning at a big fire position is automatically adjusted to be small fire through the mechanical dead weight sensing off-pan flame adjusting device 14, and when the frying pan resets the off-pan flame adjusting device 14, the kitchen range is converted to be big fire again through the combined action of the mechanical dead weight and the swing arm, so that the kitchen range has the effects of being simple and convenient to operate and saving the consumption of fuel gas.

In summary, the present invention provides a safe and energy-saving gas stove which can recover the waste heat of the combustion of gas and is used for heating the water in the disc type radiant heat exchanger 13, or recover the flue gas to convert the water into heat, and in addition, for safety, a pot-leaving flame adjusting device 14 and a gas-water linkage valve 12 are provided.

As shown in fig. 1, the intelligent kitchen gas energy saving system provided by the present invention includes the above-mentioned safe energy saving gas stove 10, a water tank 20 connected to the safe energy saving gas stove 10, a use terminal 40 connected to the water tank 20, and a water delivery pipe 30 connected to each other.

Wherein the water tank 20 comprises a water replenishing tank 21 and a hot water storage tank 22, and the water replenishing tank 21 and the safe energy-saving gas cooking bench 10 are connected with a cooking bench water outlet pipeline 312 through a cooking bench water inlet pipeline 311 so as to complete the conveying of the waterway of the safe energy-saving gas cooking bench 10. Specifically, the water replenishing tank 21 is respectively connected with external water, the cooking bench water inlet pipeline 311 and the cooking bench water outlet pipeline 312, the external water enters the coil heat exchanger 13 through the cooking bench water inlet pipeline 311 under the control of the air-water linkage valve 12 to be heated, and the water subjected to heat exchange and temperature rise flows into the cooking bench water outlet pipeline 312 from the heat exchange outlet 132 and then enters the water replenishing tank 21.

In addition, the height of the hearth water inlet pipeline 311 in the water replenishing tank 22 is lower than the height of the hearth water outlet pipeline 312 in the water replenishing tank 22.

A first water pump is provided on the cooktop water inlet pipe 311, which delivers water to the safety energy saving gas cooktop 10.

A temperature sensor may be provided in the cooktop water outlet line 312 that senses the water temperature of the water stream. The water replenishing tank 21 and the hot water storage tank 22 are connected through a water tank water conveying pipeline 32, an electromagnetic valve is arranged on the water tank water conveying pipeline 32, and the on-off of the water tank water conveying pipeline 32 is controlled by the electromagnetic valve. When the temperature sensor detects that the water temperature has reached the set temperature in cooperation with the measurement of the first temperature sensor, the solenoid valve is opened, and the tank water delivery line 32 is turned on, so that the water in the water replenishment tank 21 enters the hot water tank 22.

It should be noted that the water tank water delivery pipeline 32 is connected to the bottom side of the water replenishing tank 21 and to the top side of the hot water tank 22, and the water replenishing tank 21 may be provided with a ball cock, which is used to automatically control the water level of the water tank, i.e. when the water level in the water replenishing tank 21 is controlled by the ball cock.

Flow valves may also be provided on the cooktop water inlet 311 and cooktop water outlet 312 that indicate the flow of water within the lines.

In addition, the hot water tank 22 is connected to the use terminals 40 through the hot water output pipe 33 and the water recovery pipe 34, specifically, the hot water output pipe 33 is provided at the bottom end of the hot water tank 22 and connected to the use terminals 40, and when the number of the use terminals 40 is greater than one, the hot water output pipe 33 is branched to be connected to each of the use terminals 40, respectively. A second water pump is also provided on the hot water output line 33 to deliver hot water to a particular connection use terminal 40.

The water recovery line 34 connects the use terminal 40 and the hot water tank 22, and recovers the hot water to the hot water tank 22 after the water temperature is reduced after heat exchange occurs in the use terminal 40. Similarly, the water recovery line 34 is located at a higher position within the hot water tank 22 than the hot water output line 33 is located within the hot water tank 22.

Taking the embodiment of the present invention as an example, the use terminal 40 includes a washing device 41 and a heat preservation device 42, hot water is not recovered after reaching the washing device 41 for washing articles, and hot water reaching the heat preservation device 42 can be recovered into the hot water tank 22 to be reused after heat exchange.

In addition, a temperature-controlled electric heater is additionally arranged in the hot water storage tank 22, the temperature-controlled electric heater detects the water temperature in the hot water storage tank 22, and when the water temperature at the moment does not reach the use temperature standard, the water in the hot water storage tank 22 is heated.

Flow valves are provided on the hot water outlet line 33 and the water recovery line 34, which flow valves indicate the flow of water in the lines.

It is worth mentioning that in some embodiments, the intelligent kitchen gas energy saving system includes a display end 50, on which the above mentioned temperature sensor, flow valve, temperature controlled electric heater, float valve and other data are displayed on the display end 50.

Additionally, in some embodiments, the intelligent kitchen gas energy conservation system additionally includes a control center that can at least perform one or more functions:

1. and acquiring the temperature of the temperature sensor, and judging whether to open the electromagnetic valve according to the temperature of the temperature sensor. In the embodiment of the present invention, the temperature sensor disposed on the water outlet line 312 of the cooking hob transmits temperature data to the control center, and the control center obtains the temperature, and takes the temperature standard of 65 degrees celsius as an example, when the temperature is greater than 65 degrees celsius, the control center controls the solenoid valve to be opened, otherwise, the battery valve is closed.

2. The state of the water pump is sensed, and an alarm function is achieved. In the embodiment of the invention, the working states of the first water pump and the second water pump are transmitted to the control center, the control center judges the working states of the water pumps, and the control center gives an alarm in time to process when faults occur.

3. Sensing the state of the fuel gas. In the embodiment of the invention, a sensor is arranged on the equipment through which the fuel gas passes, and the control center acquires the information of the fuel gas and then judges whether the fuel gas leaks or not. When a leak occurs, at least the following measures are taken: closing a gas valve (an automatic control switch is arranged at the valve), dialing a warning processing unit, and opening an exhaust fan to exhaust the gas.

The present invention is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present invention, however, any change in shape or structure of the product is within the scope of the present invention, and all the products having the same or similar technical solutions as the present application are included.

Claims (9)

1. A safe energy-saving gas cooktop, comprising: a hearth body (11), a disc type radiation heat exchanger, an ignition device (15) and a smoke convection heat recovery device (16); wherein a combustion chamber is formed in the hearth body (11), the disc type radiation heat exchanger is arranged in the combustion chamber, and the ignition device (15) is arranged in a heat exchange cavity formed by the disc type radiation heat exchanger; wherein the disc type radiant heat exchanger comprises a coil (133) communicated with each other, a heat exchange inlet (131) arranged on one side of the coil (133) and a heat exchange outlet (132) arranged on the other side of the coil (133), wherein the coil (133) is prepared from a heat conducting material; the flue gas convection heat recovery device (16) comprises a recovery shell, a flue inlet (161) and a flue outlet (162) which are oppositely arranged on the recovery shell, and a flue gas heat exchange tube (163) arranged in the convection cavity, wherein the flue inlet (161) and the flue outlet (162) form a flue, the flue inlet (161) is correspondingly arranged at the flue outlet of the cooking bench body (11), the flue gas heat exchange tube (163) comprises a convection heat exchange external connection tube (1631) and a convection heat exchange tube (1632) which are communicated, the convection heat exchange external connection tube (1631) is connected with the heat exchange outlet (132), and the convection heat exchange tube (1632) is arranged in the convection cavity; the device for adjusting the flame from the pot is arranged at the opening of the cooking bench body (11), the device for adjusting the flame from the pot (14) comprises a weight sensing movable part (141), a shaft connecting part (142) and a flame adjusting component (143) which are sequentially connected, wherein the weight sensing movable part (141) comprises a supporting rod body, a pressing piece (1411) arranged at the top side of the supporting rod body and an elastic component (1412) connected with the pressing piece (1411), the supporting rod body is arranged at the side of the cooking bench body (11), the pressing piece (1411) is arranged at the opening of the top side of the cooking bench body (11) and is used for bearing a cooker, one end of the elastic component (1412) is connected with the pressing piece (1411), the other end of the elastic component is connected with the shaft connecting part (142), when the cooker is arranged on the cooking bench body (11), the pressing piece (1411) presses the elastic component (1412), the other side of the shaft connecting part (142) presses the first ignition component (142) to be in a pressed state, and when the shaft connecting part (142) is in a pressed state, the first ignition component (142) is in a loose state, and when the flame adjusting component (1412) is in a second flame adjusting component (15) is in a loose state, the flame adjusting component (1412) is in a first position, and when the flame adjusting component (15) is in a loose state, the flame adjusting component adjusts the ignition device (15) into a small fire gear or a flameout gear, and the flame adjusting component (143) is connected with the ignition device (15).

2. The safety energy saving gas hob according to claim 1, characterized in, that it comprises: the gas-water linkage valve (12), wherein gas-water linkage valve (12) is including ventilation switch (121), water switch (122) and connect gangbar (123) of both, wherein ventilation switch (121) set up gas passageway with ignition (15) between, water switch (122) set up on heat transfer import (131) and top of a kitchen range water intake pipe (311), gangbar (123) are rotationally connected respectively ventilation switch (121) with fixed position on water switch (122), just gangbar (123) length is fixed.

3. The safety energy saving gas hob according to claim 1, characterized in, that the opening size of the heat exchanging cavity is smaller than the cross-sectional size of the cookware, the height size of the heat exchanging cavity fulfils the condition: abutting against the opening of the heat exchange chamber when the cooker is placed in the open position of the hob body (11).

4. The safety energy saving gas hob according to claim 1, characterized in, that the convection heat exchange tubes (1632) are stacked surrounding tubes, sized to match the shape and size of the convection cavity.

5. An intelligent kitchen gas energy saving system, comprising: the safety energy-saving gas hob (10) according to any one of the claims 1 to 4, a water tank (20) connected to said safety energy-saving gas hob (10), a use terminal (40) connected to the water tank (20), and a water delivery line (30) connected to each other; wherein the water tank (20) comprises a water supplementing tank (21) and a hot water storage tank (22), and the water supplementing tank (21) is connected with the safe energy-saving gas cooking bench (10) through a cooking bench water inlet pipeline (311) and a cooking bench water outlet pipeline (312); the hot water storage tank (22) is connected with the water supplementing tank (21) through a water tank water conveying pipeline (32), and an electromagnetic valve is arranged on the water tank water conveying pipeline (32); wherein the hot water tank (22) is connected with the using terminal (40) through a hot water output pipeline (33) and a water recovery pipeline (34).

6. The intelligent kitchen gas energy saving system according to claim 5, wherein the water replenishing tank (21) is connected with external water, a first water pump is arranged on the cooking bench water inlet pipeline (311), a temperature sensor is arranged on the cooking bench water outlet pipeline (312), the temperature of water entering the water replenishing tank (21) through the cooking bench water outlet pipeline (312) is obtained, and the temperature sensor is connected with the electromagnetic valve in a communication mode.

7. The intelligent kitchen gas energy saving system according to claim 6, wherein a second water pump is arranged on the hot water output pipeline (33), a flow valve is arranged on the water delivery pipeline (30), and a temperature-controlled electric heater is arranged in the hot water storage tank (22).

8. The intelligent kitchen gas energy saving system according to claim 6, comprising a control center that obtains the temperature of the temperature sensor, determines whether the temperature of the temperature sensor is greater than a set temperature threshold, and if so, opens the solenoid valve.

9. The intelligent kitchen gas energy saving system according to claim 7, comprising a control center that obtains the states of the first water pump and the second water pump, and alarms when anomalies occur.