CN103654366A - Solar energy and electric energy dual-heater food steamer - Google Patents
Solar energy and electric energy dual-heater food steamer Download PDFInfo
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- CN103654366A CN103654366A CN201210353382.7A CN201210353382A CN103654366A CN 103654366 A CN103654366 A CN 103654366A CN 201210353382 A CN201210353382 A CN 201210353382A CN 103654366 A CN103654366 A CN 103654366A
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Abstract
Disclosed is a solar energy and electric energy dual-heater food steamer. The solar energy and electric energy dual-heater food steamer comprises a food steamer base, a display, a temperature sensor, an electric heater, a fluid collecting plate, a steam outlet cover, a steaming plate, one or more steaming racks, a top cover, a power supply socket, a long-shaped parabolic surface, solar heating tubes and the like and is characterized in that a solar high-temperature liquid circulating interface connects the double-tube sleeve-type solar heating metal tubes of an outdoor solar energy receiving device exposed to sunlight and the main structure of the food steamer into a whole and provides high-temperature fluid circulating channels for the double-tube sleeve-type solar heating metal tubes and the main structure of the food steamer, high-temperature fluid heated by solar energy in the solar heating tubes can enter the container of the food steamer; the wall of a water containing basin and the electric heater together compose a combined heater of the food steamer. Under the control of a working mode conversion control circuit board, the food steamer can heat and steam food only through the solar energy under the sunlight and start the electric heat to heat and steam food through the electric energy in rainy days during which no sunlight exists.
Description
Technical field
The present invention relates to solar range field, is to adopt Integrated using solar energy and electric energy to heat the food in food steamer, and automated intelligent conversion used the working method that can fire, can realize the catering facility in item operations such as indoor steamed rice, steamed sweet bun, steaming dishes.
Background technology
As everyone knows, by consumers in general, being used for the Electric heating food steamer of steamed wheaten foods thing is at present all, with electric energy, the boiled generation steam of the water in water container in food steamer is carried out to steaming foods, so plant Electric heating food steamer need the same with common food steamer, consume non-renewable energy, use cost is higher, is unfavorable for saving energy and reduce the cost.In order to address this problem, the inventor has proposed a kind of more current known dependence combustion gas in the invention of " solar energy tubulose heated body pressure cooker " by name, electricity, or the common pressure cooker of firewood heating and the consumption of other ordinary pan tool saving resources, the embodiment of free of contamination solar energy pan, although realizing, it uses solar energy steaming foods, but be subject to the restriction of high pressure cooker structure, volume when being used for specially simultaneously cooking multiple food in its pressure cooker main body is obviously not enough, boiling operation when not being suitable for multiple food and a greater number food, particularly should in the scheme of the invention of " solar energy tubulose heated body pressure cooker ", not consider solar energy and electric energy to integrate use.
Summary of the invention
The present invention is the above-mentioned deficiency that will overcome known Electric heating food steamer, utilize the part rational scheme of the inventor in the scheme of the invention of " solar energy tubulose heated body pressure cooker " by name improvement and bring new ideas in addition, providing a kind of can heat with solar energy, can when strong without solar light irradiation or light, be automatically converted to electric energy heating again, user can use at in-house operation, and solar energy accepting device can be placed in outdoor multiple two calandria food steamers that can fire occupation mode.
A kind of two calandria food steamers that can use solar energy can use again electric energy of the present invention, comprise: food steamer base, display, temperature sensor, thermoelectric heating device, juice tray, go out vapour cover, steaming plate, one or more steaming frame, top cover and supply socket etc., characterized by further comprising:
One solar energy high temperature liquid-circulating interface, it be outside through solar energy heating high-temp liquid enter and flow out the passage of food steamer internal container, also be food steamer to external solar receiving equipment and relevant interconnecting device thereof between indispensable attaching parts, it is fixed on the outer wall of described food steamer base, and the liquid container that holds water or conduction oil that is communicated with food steamer inside, is connected external solar receiving equipment as a whole and sets up the high-temp liquid circulation passage between them by install the method for interface additional on food steamer with food steamer agent structure;
One high-temp liquid heated type water container, it is in the structure of known Electric heating food steamer water container, to have increased solar energy high temperature liquid thermal conductivity structure, and it is fixedly mounted in food steamer base, and it is a basin-like body container, and its structure forms by three layers:
Innermost layer is water tank, it is just the same with the effect of known Electric heating food steamer water container, it is the container as the use being filled with water, water route interface in solar energy high temperature liquid-circulating interface is connected with water tank room, by solar energy heating high warm water can enter in water tank by this water route interface, the upper opening of this water tank is steam (vapor) outlet, in basin, after the boiling of heated water, produce continuously high-temperature steam thus steam (vapor) outlet ascension be sent to upper strata and steam in frame food is cooked
Middle level is conduction oil heat dissipation tank, it is actually the interlayer cavity body forming round water tank periphery and bottom thereof, by the madial wall of this cavity body, formed the tub wall of above-mentioned water tank, namely the madial wall of conduction oil heat dissipation tank is the tub wall of water tank, also be the inner side radiating surface of conduction oil heat dissipation tank, oil circuit interface in solar energy high temperature liquid-circulating interface is communicated with the inner chamber of this conduction oil heat dissipation tank, by solar energy heating high temperature heat conductive oil can enter in the inner chamber of conduction oil heat dissipation tank by this interface, and can be to the water heating in water tank
Outermost layer is heat-insulation layer, and available vacuum pumpin layer forms or consists of around the formed thermal-insulation coat of conduction oil heat dissipation tank lateral wall insulation filling materials, is mainly used in preventing that the heat energy of high-temp liquid heat dissipation tank from distributing to the surrounding except water tank;
A pair of pipe sleeve type solar energy heated metal pipe, it is in the inside of outer layer metal tube, to reinstall an inner layer metal pipe, the center of circle of inner layer metal pipe is concentric with the center of circle of outer layer metal tube, the external diameter of inner layer metal pipe is significantly less than the internal diameter of outer layer metal tube, can guarantee that the conduction oil in the gap between the two can flow in whole outer layer metal tube, in the inner chamber of inner layer metal pipe, be generally used for dress water, and conduction oil is housed in the inner chamber of outer layer metal tube, by interior, it is whole that outer layer metal tube forms a solar energy heated metal pipe, they externally can present unified interface, its interface is with the same outer layer interface and the interior layer interface of being also divided into of pipe shaft, this interface can be connected with water route interface is corresponding with the oil circuit interface of solar energy high temperature liquid-circulating interface on food steamer base, make two-tube sleeve type solar energy heated metal pipe be connected as a whole with described food steamer, in its inner chamber by solar energy heating high-temperature liquid physical efficiency circular flow enter and flow out in the relevant liquid container of food steamer inside,
One high-temp liquid energy-storage box, it is only selected for user as a kind of spare unit, be mainly used in area or the how overcast and rainy area of sunshine illumination deficiency, it has two interfaces at least, one for being connected with solar energy heat pipe, another can by insulation extension be connected with the solar energy high temperature liquid-circulating interface of described food steamer, when described food steamer does not use in solar energy heat pipe by solar energy heating high temperature heat conductive oil can be stored in this high-temp liquid energy-storage box stand-by;
One Electromagnetic Control valve, it is arranged on the tank wall interface of conduction oil heat dissipation tank, for controlling the circulation passage of the high-temp liquid that enters this heat dissipation tank, during unlatching, high temperature heat conductive oil can flow into and flow out this heat dissipation tank, closes rear high temperature heat conductive oil and can not flow into and flow out energy storage heat dissipation tank;
One working method conversion control circuit plate, it is fixedly mounted in food steamer base, its MCU single-chip microcomputer main control chip is by being arranged on conduction oil heat dissipation tank, water tank, several temperature sensors in high-temp liquid circulation passage and reservoir vessel can judge the temperature regime of high-temp liquid, when become a fine day sunray when good this control circuit board control Electromagnetic Control valve or high-temperature water pump, high temperature oil pump is opened solar energy high temperature liquid communication passage, use solar energy steaming foods, when meeting the cloudy day during without solar light irradiation, this control circuit board is controlled the electric heater starting in water tank and is used electric energy heating to produce steam steaming foods, close solar energy high temperature liquid communication passage simultaneously, fine when cloudy when meeting weather, when light is at times strong and at other times weak, under the control of this control circuit board alternately or use solar energy and electric energy work simultaneously.
In water tank in described high-temp liquid heated type water container, a thermoelectric heating device is also housed, combination heater of the common composition of radiating surface of this thermoelectric heating device and conduction oil heat dissipation tank, they are the water heating to water tank separately both, also the water heating to water tank jointly.
The pipe shaft of described two-tube sleeve type solar energy heated metal pipe is inserted into the interior combination heated body that forms of thermal-collecting tube of solar thermal collector, this combination heated body is placed in the paraboloidal focal line of elongated body sunshine place and accepts sunshine strong illumination, and the intraluminal liquid of its inside and outside layer metal will be warming up to rapidly with strong illumination the condition of high temperature.These high-temp liquids are sent in the associated vessel of described food steamer inside and can realize the object with solar energy steaming foods.
The invention has the beneficial effects as follows: for huge numbers of families provide a kind of can be in indoor use, convenient applicable, low cost, high reliability, can mix the food steamer of use solar energy and electric energy.Can for country and consumer save a large amount of non-renewable can combustion and reduce air pollution, thereby can make the energy cost of consumers in general's the cooking operations such as steamed rice, steamed sweet bun, steaming dish greatly reduce.
Accompanying drawing explanation
A kind of two calandria food steamer structure figure that can use solar energy can use again electric energy of Fig. 1
Fig. 2 high-temp liquid heated type water container structural representation
The two-tube sleeve type solar energy of Fig. 3 heated metal tubular construction schematic diagram
The inside and outside layer interface structural representation of Fig. 4 solar energy high temperature liquid-circulating interface
Fig. 5 solar energy combination heated body structural representation
Fig. 6 solar energy heated body basic device schematic diagram
Fig. 7 high-temp liquid energy-storage box schematic diagram
the specific embodiment:
The present invention is a kind of, and can to use solar energy can use again two calandria food steamers of electric energy be on the basis of known common Electric heating food steamer basic structure, on its base, increased an energy the inner water container of food steamer and external solar have been heated together with equipment connection, and the solar energy high temperature liquid-circulating interface that allows inner chamber between them be interconnected, water container in known common Electric heating food steamer is improved simultaneously, invented a kind of high-temp liquid heated type water container, with this high-temp liquid heated type water container, substituted the water container of known Electric heating food steamer, it can not only fill water, and can by solar energy heat pipe by solar energy heating hot water or boiling water be delivered in the water tank in described high-temp liquid heated type water container, particularly can also utilize by solar energy heating becomes the conduction oil of the condition of high temperature, in the inner chamber of conduction oil heat dissipation tank, the water in described water tank is proceeded to heating generation steam, and thermoelectric heating device is also installed in described water tank, (tub wall is coplanar therewith for the madial wall radiating surface of conduction oil heat dissipation tank for the tub wall of this thermoelectric heating device and water tank, being same metallic plate forms) the common combination heater that forms, also can be described as " two calandria ", this combination heating physical efficiency realizes at the good fine day of sunray under the Based Intelligent Control of working method conversion control circuit plate uses separately solar energy steaming foods.When overcast and rainy, start thermoelectric heating device work during without solar light irradiation, use electric energy steaming foods.Cloudy when fine when weather, when sunshine cuts in and out, replace or use solar energy and electric energy steaming foods simultaneously, or utilizing the entrained solar energy steaming foods of the stored high-temp liquid of energy-storage box.
For the ease of the understanding to description, first for the concrete structure of accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, be further described and describe below.
1. structure chart forms and explanation:
Fig. 1 comprises: food steamer base 1, display 2, temperature sensor 3, thermoelectric heating device 4, juice tray 5, go out vapour cover 6, steaming plate 7, steam frame 8, top cover 9, supply socket 10 and high-temp liquid heated type water container 20, solar energy high temperature liquid-circulating interface 30, two-tube sleeve type solar energy heated metal pipe 40 etc.A principal character of the present invention is on food steamer base, to have increased a solar energy high temperature liquid-circulating interface, its function is: by install the method for interface additional on food steamer, it not only structurally can be connected external solar accepting device as a whole with food steamer, and provide a kind of by outdoor by solar energy heating high-temp liquid send into the fluid passage that food steamer internal container circulates.Specifically, in present case, be that a two-tube sleeve type solar energy heated metal pipe (being designated hereinafter simply as solar energy heated metal pipe) is held together by solar energy high temperature liquid-circulating interface and food steamer, the inner chamber of solar energy heated metal pipe can be circulated to intracavity inter-connection, the high-temp liquid of the inner relevant liquid container of food steamer between them, reach transmission solar energy, realize the object of solar energy indirect steaming foods.
Fig. 2 is the structure chart of above-mentioned high-temp liquid heated type water container and critical piece mounted thereto thereof, they comprise: the radiating surface 23 of water tank 21, conduction oil heat dissipation tank 22, conduction oil heat dissipation tank, heat-insulation layer 24, oil circuit interface 31, water route interface 32, Electromagnetic Control valve 33, and thermoelectric heating device 4, working method conversion control circuit plate 11.Another principal character of the present invention is to using high temperature heat conductive oil as heat conduction medium, has invented a high-temp liquid heated type water container, and this container is comprised of three parts, i.e. water tank, conduction oil heat dissipation tank and heat-insulation layer.Its concrete structure is:
Conduction oil heat dissipation tank is a thin special-shaped casing, formed the basin of water tank by its medial surface at the bottom of and tub wall, be that the bottom of water tank and tub wall and conduction oil heat dissipation tank madial wall are coplanar, to be made by same metal decking, the madial wall of conduction oil heat dissipation tank is bottom and the tub wall of water tank namely, the two real being integrated is also a radiating surface.Therefore, in conduction oil heat dissipation tank inner chamber, there is the out-of-date meeting of high-temp liquid circular flow to the water heating in water tank.And, on conduction oil heat dissipation tank, be also provided with a high temperature heat conductive oil circulation interface, be called oil circuit interface.It is the passage that high temperature heat conductive oil flows into and flows out, and the opening and closing of this passage are subject to a solenoid electric valve gate control.
In water tank, be provided with a thermoelectric heating device, it and water tank tub wall (being the radiating surface of conduction oil heat dissipation tank inner side) form a combination heater (or be called " two calandria ") jointly, this combination heater both can be heated the water in water tank by water tank tub wall separately, also can with thermoelectric heating device, to the water in water tank, heat separately, can also allow them heat or alternately heating, this is also a key character of the present invention simultaneously.The internal layer water route interface of solar energy high temperature liquid-circulating interface is connected with water tank, it is actually of water tank and comes from high warm water in two-tube sleeve type solar energy heated metal inner tube layer metal tube and the inlet port of steam, high warm water can be sent in this water tank by a high-temperature water pump, also can rely on the buoyant characteristics of water self to realize circulating between solar energy heated metal pipe and water tank.
The lateral surface of conduction oil heat dissipation tank need to be done insulation and process, therefore be provided with a heat-insulation layer, its available vacuum pumpin layer forms or around conduction oil heat dissipation tank lateral wall, forms one layer of heat preservation overcoat by insulation filling materials, is mainly used in preventing that the heat energy of high-temp liquid heat dissipation tank from distributing to the surrounding except water tank.
The above, the high-temp liquid circulating between solar energy heated metal pipe and high-temp liquid heated type water container has two circulations, i.e. high temperature heat conductive oil circulation and high-temperature water circulation.Wherein high temperature heat conductive oil circulates between the inner chamber of outer layer metal tube of two-tube sleeve type solar energy heated metal pipe and the inner chamber of conduction oil heat dissipation tank, and its effect is that high temperature heat conductive oil (can reach more than 200 ℃) is sent in conduction oil heat dissipation tank the water in water tank is continued to heat to boiling; And high-temperature water (or boiling water) circulates between the inner chamber of the inner layer metal pipe of two-tube sleeve type solar energy heated metal pipe and water tank.Generally can will by solar energy heating, to the water of high temperature is disposable, by micro pump, be sent in water tank, then with high temperature heat conductive oil, in described heat dissipation tank, the water-cooled in water tank is heated, when solar light irradiation undercapacity, also can use high temperature heat conductive oil stored in high-temp liquid energy-storage box to heat to the water-cooled in water tank, also can start thermoelectric heating device work and with electric energy, the water in water tank be heated.
Fig. 3 is two-tube sleeve type solar energy heated metal pipe 40 and interface 41 thereof, it is in the inside of outer layer metal tube, to reinstall an inner layer metal pipe, the center of circle of inner layer metal pipe is concentric with the center of circle of outer layer metal tube, the external diameter of inner layer metal pipe is significantly less than the internal diameter of outer layer metal tube, can guarantee that the conduction oil in the gap between the two can flow in whole outer layer metal tube.Using the object of double layer of metal pipe is in a set metal pipe, can utilize solar energy heating conduction oil, again can heating water.In the inner chamber of inner layer metal pipe, be generally used for dress water, and pack conduction oil in the inner chamber of outer layer metal tube.When two-tube sleeve type solar energy heated metal pipe is being subject to after sunshine strong illumination, conduction oil temperature in its outer layer metal tube can raise and by thermal energy transfer to the water in inner layer metal pipe, but the water in inner layer metal pipe by boiled to boiling after water temperature just can not raise again, thereby the temperature of conduction oil quilt " clamper " is 100 ℃ of left and right, is difficult to raise again.Now the boiling water in inner layer metal pipe can be transported in water tank and go with high-temperature water pump, the conduction oil in outer layer metal tube cavity will continue to be heated to higher temperature (general control is safer 200 ℃ of left and right).This high temperature heat conductive oil is delivered to conduction oil heat dissipation tank and circulates, the water in water tank is continued to be heated to produce continually steam condition.Certainly, if when solar light irradiation intensity is higher, also can be directly with the high steam steaming foods producing in solar energy heat pipe, and boiling water in will inner layer metal pipe is transported in water tank and goes with high-temperature water pump.
Patent scheme in above-mentioned Fig. 3 is with can be cost-saving and propose, if not too haggle over cost, can adopt two metal solar heat pipes, wherein in a metal tube, pack conduction oil into, in another root metal tube, pack water into, and correspondingly change the form of interface, become double-decker into single layer structure, the structure of solar energy high temperature liquid-circulating interface is also done corresponding change thereupon, can complete equally above-mentioned two-tube sleeve type solar energy heated metal pipe and accept the identical function of solar energy, even better effects if.Therefore change the structural form of high-temp liquid circulation channel and the quantity of solar energy heat pipe, can not affect the liquid that described food steamer utilization is heated into the condition of high temperature by the outdoor solar energy equipment of being heated and transmit solar energy, realize and utilize the essential characteristic of solar energy to the food indirect in food steamer.
Fig. 4 is the internal structure schematic diagram of solar energy high temperature liquid-circulating interface 30, and it externally presents an interface, but this interface is divided into again internal layer and skin.This ectonexine structural design is according to supporting the use and determine with above-mentioned two-tube sleeve type solar energy heated metal pipe, but it is not unique version of solar energy high temperature liquid-circulating interface.Be that solar energy high temperature liquid-circulating interface can be two heat conduction oil circuit interfaces independent of each other and water route interface.Also can only retain one of them interface, as only have heat conduction oil circuit interface, or only have water route interface.Because any one the liquid communication channel removing in two the heat transfer channels in heat conduction oil circuit and water route only can affect the efficiency that solar heat transmits, but do not affect the present invention program, do not utilize interface that solar energy is accepted to parts and food steamer main body couples together, and the essential characteristic of high-temp liquid circulation passage is provided.Furtherly, ectonexine interface in described solar energy high temperature liquid-circulating interface, water tank and conduction oil heat dissipation tank in described high-temp liquid heated type water container, and described two-tube sleeve type solar energy heated metal pipe all presents two kinds of fluid passages, be high-temperature water circulation canal and high temperature heat conductive oil circulation canal, the two-way transmission mode of these two kinds of high-temp liquids is the same with a kind of high-temp liquid of an individual transmission can realize solar heat propagation function, removing any high-temp liquid heat transfer channel wherein does not affect the liquid that described food steamer utilization is heated to the condition of high temperature by outdoor solar energy receiving equipment and transmits solar energy, realization utilizes the essential characteristic of solar energy to the food indirect in food steamer.Only can select with the water in solar energy heating solar energy heat pipe, to produce high warm water and steam separately and send into and in water tank, carry out steaming foods, or the conduction oil in solar energy heating solar energy heat pipe is only used separately in selection, make its temperature arrive more than 200 ℃, and it is circulated in conduction oil heat dissipation tank and the water-cooled in water tank is heated, make to produce in food steamer a large amount of steam steaming foods.If Guan Weiyi single layer structure metal tube of solar energy heated metal, solar energy high temperature liquid-circulating interface can be also the single version of one deck, even if do not use metal solar pipe completely, directly use the thermal-collecting tube of solar thermal collector to insert in the solar energy high temperature liquid-circulating interface of described food steamer, under this kind of situation, no matter adopt and carry high temperature heat conductive oil still to carry high-temperature water or water vapour can realize the object that identical solar energy transmits, can utilize solar energy steaming foods, therefore the quantitative variation of interface form and interface can't affect the essential characteristic that the present invention program couples together solar energy receiving-member and food steamer main body and high-temp liquid circulation passage is provided.
[0018]fig. 5 is solar energy combination heated body schematic diagram, and figure comprises two-tube sleeve type solar energy heated metal pipe 40 and interface 41 thereof, the thermal-collecting tube 50 of solar thermal collector, high-temperature resistant seal ring 51.It is that this combination heated body can be accepted sunshine strong illumination, can be incubated again, can also bear higher temperature and steam pressure by formed combination heated body in the thermal-collecting tube of two-tube sleeve type solar energy heated metal pipe insertion solar thermal collector.
Fig. 6 is a kind of solar energy heated body basic device, and it comprises: the thermal-collecting tube 50 of two-tube sleeve type solar energy heated metal pipe 40, solar thermal collector, elongated body sunshine parabola 60, vacuum tube bracing frame 62, parabola bracing frame 63.Wherein, the pipe shaft of described two-tube sleeve type solar energy heated metal pipe is inserted into the interior composition combination heated body of thermal-collecting tube of solar thermal collector and is placed in the paraboloidal focal line of elongated body sunshine place accepts sunshine strong illumination, and the intraluminal liquid of its inside and outside layer metal will be warming up to rapidly with strong illumination the condition of high temperature.Simply clear for this schematic diagram, in Fig. 6, only schematically drawn the two-tube sleeve type solar energy heated metal pipe in the thermal-collecting tube that inserts solar thermal collector.
Fig. 7 is the schematic diagram of high-temp liquid energy-storage box 70, it is only selected for user as a kind of spare unit, be mainly used in area or the how overcast and rainy area of sunshine illumination deficiency, it has two interfaces at least, one for being connected with solar energy heat pipe, and another can be connected with the solar energy high temperature liquid-circulating interface of described food steamer by insulation extension.When described food steamer does not use, in solar energy heat pipe by solar energy heating high temperature heat conductive oil can be stored in this high-temp liquid energy-storage box stand-by.
High-temperature water circulation branch road between described two-tube sleeve type solar energy heated metal pipe and the water tank of described food steamer, or on the conduction oil circulation branch road between described two-tube sleeve type solar energy heated metal pipe and the conduction oil heat dissipation tank of described food steamer, according to the needs of the use installation environment of equipment, alternative high-temperature water pump or the high temperature oil pump installed, they be mainly applicable to when position that food steamer is placed lower than elongated body sunshine parabola and on the installation site of combination heated body time, while only relying on the buoyant characteristics of the high-temp liquid natural circulation of can not realizing high-temp liquid between solar energy heated metal pipe and the water tank of described food steamer or between the conduction oil heat dissipation tank of solar energy heated metal pipe and food steamer, circulating of alternative use high-temperature water pump or high temperature oil pump auxiliary liquid.
2. overall work principle:
Below in conjunction with accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of operation principle that can use solar energy can use again two calandria food steamers of electric energy is described:
First each building block of food steamer is combined as known Electric heating food steamer and switch on power (do not mean that and start thermoelectric heating device work), because this step and operation principle are public domain, so locate not specifically describe.Mainly with regard to being different from the operation principle of known Electric heating food steamer, be described below.
By in the solar energy high temperature liquid-circulating interface on the interface reeve food steamer base of two-tube sleeve type solar energy heated metal pipe, (two interfaces can be the version of plug and socket, which is plug, which does not affect the annexation between them for socket, even can adopt the screw thread resembling the common water pipe of the two joints formula of tightening to connect), this solar energy heated metal pipe is connected with the high-temp liquid heated type water container of food steamer base inside by solar energy high temperature liquid-circulating interface, and solar energy heated metal pipe becomes as a whole with food steamer.Because the structure of this solar energy heated metal pipe is two-tube suit, in its outer layer metal tube cavity, fill conduction oil, and in inner layer metal pipe, fill water, they distinguish again corresponding inner chamber and the water tank that is communicated with conduction oil heat dissipation tank by oil circuit interface and the water route interface of solar energy high temperature liquid-circulating interface respectively;
The pipe shaft of two-tube sleeve type solar energy heated metal pipe is injected in the thermal-collecting tube of solar thermal collector, become a solar energy combination heated body (as shown in Figure 5), and with high-temperature resistant seal ring, the gap between solar energy heat pipe and the thermal-collecting tube of heat collector is sealed, thereby block heat, outwards distribute.Utilize this solar energy combination sufficiently long length of heated body (1.8 meters-2 meters), can allow this solar energy combination heated body through kitchen wall and be placed on its focal lines place (as shown in Figure 6) that elongated body sunshine parabola is assembled.
Heat is delivered to the outer tube of two-tube sleeve type solar energy heat pipe when the thermal-collecting tube of solar thermal collector is subject to strong illumination, the temperature of the conduction oil in it starts to raise, so conduction oil arrives inner layer metal pipe by thermal energy transfer again, the temperature of the water in its inner layer metal pipe also increases.As long as solar light irradiation is continuous and stable, its water temperature will can reach 100 ℃ of fluidized states very soon, the buoyancy that now can rely on buoyancy of water that temperature is high to be greater than the buoyancy of water that temperature is relatively low promotes, and high warm water and a large amount of steam enter the water route interface by solar energy high temperature liquid-circulating interface in water tank food is cooked.
If now the light intensity of sunshine can not make the water in the inner layer metal pipe of solar energy heated metal pipe keep lasting fluidized state and produce continuously steam, can high-temperature water be transported in water tank by high-temperature water pump, because the water in the inner layer metal pipe of solar energy heated metal pipe is evacuated, all entered in water tank, the temperature of the conduction oil in the outer layer metal tube of solar energy heated metal pipe will, over 100 ℃, can reach 200 ℃ of left and right under illumination.This high temperature heat conductive oil is delivered in conduction oil heat dissipation tank and is circulated, the water in water tank is continued to heating, just can produce high temperature and high pressure steam endlessly and cook the food in food steamer.
Overcast and rainy when running into, during without solar light irradiation, in water tank due to the high-temp liquid heated type water container of described food steamer, thermoelectric heating device has been installed, therefore start electric energy under the control of working method conversion control circuit plate, the water heating in water tank has been produced to high temperature and high pressure steam steaming foods.
When meeting cloudy weather, sunshine cuts in and out, when light is at times strong and at other times weak, can be first under the control of working method conversion control circuit plate by the water being heated in the inner layer metal pipe of two-tube sleeve type solar energy heated metal pipe with in high-temperature water pump suction water tank, then with in high temperature heat conductive oil stored in high-temp liquid energy-storage box or solar energy heat pipe by solar energy heating high temperature heat conductive oil continue the water-cooled in water tank to heat, when above-mentioned stored solar energy is not enough, can restart thermoelectric heating device auxiliary heating, make the water in water tank still can produce constantly high temperature and high pressure steam.Because the water in water tank has first been arrived certain temperature by solar energy heating, through high temperature heat conductive oil, continue to heat again, although because illumination can not continuously or intensity of illumination is on the low side causes " firepower " less than normal, cause and can not continue to use solar energy heating to produce steam, but now start thermoelectric heating device auxiliary heating, the power of its required thermoelectric heating device work is little a lot of in the time of can working than independent use thermoelectric heating device, thereby can save as much as possible electric energy.
Working method conversion control circuit plate is the crucial Based Intelligent Control parts of described pair of calandria food steamer, compare with the intelligent control circuit of known common Electric heating food steamer, on hardware, it has been set up for monitoring the sensor of the temperature of high-temp liquid on solar energy heat pipe inside, high-temp liquid circulation passage and in food steamer internal container, decides operational factor and the state of the software control procedure of described food steamer with the detected data of these sensors.
When fine day illumination is good, can rely on solar energy steaming foods completely, under continuous solar light irradiation, when the water temperature in the inner layer metal pipe of two-tube sleeve type solar energy heated metal pipe arrives 100 ℃, water is by boiled, can produce a large amount of steam, this steam can cook food after entering food steamer internal container; Now also can start high-temperature water pump is sent to high warm water in described water tank.And the conduction oil heat dissipation tank that high temperature heat conductive oil is sent into high-temp liquid heated type water container is continued to heat to the water in water tank, make it produce continuously steam and carry out steaming foods.
During when chance day wet weather, without sunshine, the fluid temperature that the temperature of high-temp liquid sensor of working method conversion control circuit plate detects in two-tube sleeve type solar energy heated metal pipe is lower, when the intensity of illumination of sunray is also low, close Electromagnetic Control valve, start electric heater work.
When sunshine is at times strong and at other times weak, while cutting in and out, as long as the conduction oil temperature that working method conversion control circuit plate detects in high temperature heat conductive oil stored in high-temp liquid energy-storage box and solar energy heated metal pipe has arrived the setting value of stipulating, as conduction oil temperature reaches after the condition of high temperature of 100 ℃-200 ℃, just utilize solar energy first to preheat the water in water tank as much as possible, restart thermoelectric heating device electric energy supplementary heating.Or be used alternatingly solar energy and electric energy heating, realize the object of using electricity wisely as far as possible.
Other control program that is similar to known Electric heating food steamer of described pair of calandria food steamer, is not the content that this programme will be introduced, so locate to repeat no more.
Claims (6)
1. two calandria food steamers that can use solar energy can use again electric energy, comprise: food steamer base, display, temperature sensor, thermoelectric heating device, juice tray, go out vapour cover, steaming plate, one or more steaming frame, top cover and supply socket etc., characterized by further comprising:
One solar energy high temperature liquid-circulating interface, it be outside through solar energy heating high-temp liquid enter and flow out the passage of food steamer internal container, also be food steamer to external solar accepting device and relevant interconnecting device thereof between indispensable attaching parts, it is fixed on the outer wall of described food steamer base, and the liquid container that holds water or conduction oil that is communicated with food steamer inside, is connected external solar receiving equipment as a whole and sets up the high-temp liquid circulation passage between them by install the method for interface additional on food steamer with food steamer agent structure;
One high-temp liquid heated type water container, it is in the structure of known Electric heating food steamer water container, to have increased solar energy high temperature liquid thermal conductivity structure, and it is fixedly mounted in food steamer base, and it is a basin-like body container, and its structure forms by three layers:
Innermost layer is water tank, it is just the same with the effect of known Electric heating food steamer water container, it is the container as the use being filled with water, water route interface in solar energy high temperature liquid-circulating interface is connected with water tank room, by solar energy heating high warm water can enter in water tank by this water route interface, the upper opening of this water tank is steam (vapor) outlet, in basin, after the boiling of heated water, produce continuously high-temperature steam thus steam (vapor) outlet ascension be sent to upper strata and steam in frame food is cooked
Middle level is conduction oil heat dissipation tank, it is actually the interlayer cavity body forming round water tank periphery and bottom thereof, by the madial wall of this cavity body, formed the tub wall of above-mentioned water tank, namely the madial wall of conduction oil heat dissipation tank is the tub wall of water tank, also be the inner side radiating surface of conduction oil heat dissipation tank, oil circuit interface in solar energy high temperature liquid-circulating interface is communicated with the inner chamber of this conduction oil heat dissipation tank, by solar energy heating high temperature heat conductive oil can enter in the inner chamber of conduction oil heat dissipation tank by this interface, and can be to the water heating in water tank
Outermost layer is heat-insulation layer, and available vacuum pumpin layer forms or consists of around the formed thermal-insulation coat of conduction oil heat dissipation tank lateral wall insulation filling materials, is mainly used in preventing that the heat energy of high-temp liquid heat dissipation tank from distributing to the surrounding except water tank;
A pair of pipe sleeve type solar energy heated metal pipe, it is in the inside of outer layer metal tube, to reinstall an inner layer metal pipe, the center of circle of inner layer metal pipe is concentric with the center of circle of outer layer metal tube, the external diameter of inner layer metal pipe is significantly less than the internal diameter of outer layer metal tube, can guarantee that the conduction oil in the gap between the two can flow in whole outer layer metal tube, in the inner chamber of inner layer metal pipe, be generally used for dress water, and conduction oil is housed in the inner chamber of outer layer metal tube, by interior, it is whole that outer layer metal tube forms a solar energy heated metal pipe, they externally can present unified interface, its interface is with the same outer layer interface and the interior layer interface of being also divided into of pipe shaft, this interface can be connected with water route interface is corresponding with the oil circuit interface of solar energy high temperature liquid-circulating interface on food steamer base, make two-tube sleeve type solar energy heated metal pipe be connected as a whole with described food steamer, in its inner chamber by solar energy heating high-temperature liquid physical efficiency circular flow enter and flow out in the relevant liquid container of food steamer inside,
One high-temp liquid energy-storage box, it is only selected for user as a kind of spare unit, be mainly used in area or the how overcast and rainy area of sunshine illumination deficiency, it has two interfaces at least, one for being connected with solar energy heat pipe, another can by insulation extension be connected with the solar energy high temperature liquid-circulating interface of described food steamer, when described food steamer does not use in solar energy heat pipe by solar energy heating high temperature heat conductive oil can be stored in this high-temp liquid energy-storage box stand-by;
One Electromagnetic Control valve, it is arranged on the tank wall interface of conduction oil heat dissipation tank, for controlling the circulation passage of the high-temp liquid that enters this heat dissipation tank, during unlatching, high temperature heat conductive oil can flow into and flow out this heat dissipation tank, closes rear high temperature heat conductive oil and can not flow into and flow out energy storage heat dissipation tank;
One working method conversion control circuit plate, it is fixedly mounted in food steamer base, its MCU single-chip microcomputer main control chip is by being arranged on conduction oil heat dissipation tank, water tank, several temperature sensors in high-temp liquid circulation passage and reservoir vessel can judge the temperature regime of high-temp liquid, when become a fine day sunray when good this control circuit board control Electromagnetic Control valve or high-temperature water pump, high temperature oil pump is opened solar energy high temperature liquid communication passage, use solar energy steaming foods, when meeting the cloudy day during without solar light irradiation, this control circuit board is controlled the electric heater starting in water tank and is used electric energy heating to produce steam steaming foods, close solar energy high temperature liquid communication passage simultaneously, fine when cloudy when meeting weather, when light is at times strong and at other times weak, under the control of this control circuit board alternately or use solar energy and electric energy work simultaneously.
2. a kind of two calandria food steamers that can use solar energy can use again electric energy according to claim 1, it is characterized in that: described high-temp liquid heated type water container, a thermoelectric heating device is also housed in its water tank, combination heater of the common composition of radiating surface of this thermoelectric heating device and conduction oil heat dissipation tank, they both can, separately to the water heating in water tank, also can heat the water in water tank jointly.
3. a kind of two calandria food steamers that can use solar energy can use again electric energy according to claim 1, it is characterized in that: described solar energy high temperature liquid-circulating interface is double-decker interface, layer interface is that water route interface is communicated to the water tank in the high-temp liquid heated type water container of food steamer inside in it, and outer layer interface is the inner chamber that oil circuit interface is communicated to the high-temp liquid heated type water container conduction oil heat dissipation tank of food steamer inside.
4. a kind of two calandria food steamers that can use solar energy can use again electric energy according to claim 1, it is characterized in that: the ectonexine interface in described solar energy high temperature liquid-circulating interface, water tank and conduction oil heat dissipation tank in described high-temp liquid heated type water container, and described two-tube sleeve type solar energy heated metal pipe all presents two kinds of fluid passages, be high-temperature water circulation canal and high temperature heat conductive oil circulation canal, the two-way transmission mode of these two kinds of high-temp liquids is the same with a kind of high-temp liquid of an individual transmission can realize solar heat propagation function, removing any high-temp liquid heat transfer channel wherein does not affect the liquid that described food steamer utilization is heated to the condition of high temperature by outdoor solar energy receiving equipment and transmits solar energy, realization utilizes the essential characteristic of solar energy to the food indirect in food steamer, only can select with the water in solar energy heating solar energy heat pipe, to produce high warm water and steam separately and send into and in water tank, carry out steaming foods, or the conduction oil in solar energy heating solar energy heat pipe is only used separately in selection, make its temperature arrive more than 200 ℃, and it is circulated in conduction oil heat dissipation tank and the water-cooled in water tank is heated, make to produce in food steamer a large amount of steam steaming foods.
5. a kind of two calandria food steamers that can use solar energy can use again electric energy according to claim 1, it is characterized in that: the pipe shaft of described two-tube sleeve type solar energy heated metal pipe is inserted into the interior combination heated body that forms of thermal-collecting tube of solar thermal collector, this composition combination heated body is placed in the paraboloidal focal line of elongated body sunshine place and accepts sunshine strong illumination, and the intraluminal liquid of its inside and outside layer metal will be warming up to rapidly with strong illumination the condition of high temperature.
6. a kind of two calandria food steamers that can use solar energy can use again electric energy according to claim 1, it is characterized in that: at the high-temperature water circulation branch road between described two-tube sleeve type solar energy heated metal pipe and the water tank of described food steamer or on the conduction oil circulation branch road between described two-tube sleeve type solar energy heated metal pipe and the conduction oil heat dissipation tank of described food steamer, according to the needs of the use installation environment of equipment, alternative high-temperature water pump or the high temperature oil pump installed, they be mainly applicable to when position that food steamer is placed lower than elongated body sunshine parabola and on the installation site of combination heated body time, while relying on the buoyant characteristics of the high-temp liquid natural circulation of can not realizing high-temp liquid between solar energy heated metal pipe and the water tank of described food steamer or between the conduction oil heat dissipation tank of solar energy heated metal pipe and food steamer, the alternative circulation of using high-temperature water pump or high temperature oil pump auxiliary liquid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210353382.7A CN103654366A (en) | 2012-09-21 | 2012-09-21 | Solar energy and electric energy dual-heater food steamer |
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| CN201210353382.7A CN103654366A (en) | 2012-09-21 | 2012-09-21 | Solar energy and electric energy dual-heater food steamer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287611A (en) * | 2014-09-03 | 2015-01-21 | 杭州老板电器股份有限公司 | Novel steam oven |
| CN104776597A (en) * | 2015-04-28 | 2015-07-15 | 重庆工商大学 | Heating device in vacuum environment |
| CN105241084A (en) * | 2015-11-07 | 2016-01-13 | 刘俊平 | Solar device for quickly boiling water through oil |
| CN107575902A (en) * | 2016-07-04 | 2018-01-12 | 陈映昭 | Solar source automatic rice cooker Multipurpose stove |
| CN111214095A (en) * | 2018-11-23 | 2020-06-02 | 宁波旭磊电子科技有限公司 | Dual-mode intelligent electric cooker |
-
2012
- 2012-09-21 CN CN201210353382.7A patent/CN103654366A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287611A (en) * | 2014-09-03 | 2015-01-21 | 杭州老板电器股份有限公司 | Novel steam oven |
| CN104776597A (en) * | 2015-04-28 | 2015-07-15 | 重庆工商大学 | Heating device in vacuum environment |
| CN104776597B (en) * | 2015-04-28 | 2018-02-06 | 重庆工商大学 | A kind of heater in vacuum environment |
| CN105241084A (en) * | 2015-11-07 | 2016-01-13 | 刘俊平 | Solar device for quickly boiling water through oil |
| CN107575902A (en) * | 2016-07-04 | 2018-01-12 | 陈映昭 | Solar source automatic rice cooker Multipurpose stove |
| CN111214095A (en) * | 2018-11-23 | 2020-06-02 | 宁波旭磊电子科技有限公司 | Dual-mode intelligent electric cooker |
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Application publication date: 20140326 |