CN103494517A - Electromagnetic heating coffee machine and method for making coffee - Google Patents
Electromagnetic heating coffee machine and method for making coffee Download PDFInfo
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- CN103494517A CN103494517A CN201310474188.9A CN201310474188A CN103494517A CN 103494517 A CN103494517 A CN 103494517A CN 201310474188 A CN201310474188 A CN 201310474188A CN 103494517 A CN103494517 A CN 103494517A
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Abstract
The invention discloses an electromagnetic heating coffee machine. The coffee machine comprises a water storing tank, a heating assembly, a coffee brewing core and a control circuit board for controlling the coffee machine to work, wherein the water storing tank, the heating assembly and the coffer brewing core are connected sequentially by a conveying pipe; the heating assembly comprises a boiler and an electromagnetic coil arranged under the bottom of the boiler, the boiler is a sealed boiler and provided with an inlet end and an outlet end, the inlet end and the outlet end of the boiler are in gas tight joint with the conveying pipe respectively, a water pump is arranged between the water storing tank and the boiler, and the water pump controls water flowing amount of the boiler. The electromagnetic heating method is adopted for the coffee machine, the energy efficiency is high, the pre-heating time is short, hot water can be conveyed out instantly and used for brewing coffee, a heating system does not need heating wires, and the service life is greatly prolonged. Besides, the electromagnetic heating coffee machine has the functions of making the coffee and generating steam to churn milk bubbles. The invention further discloses a method for making the coffee with the milk bubbles.
Description
Technical field
The present invention relates to a kind of coffee machine, relate in particular to a kind of electromagnetic heating type coffee machine.The invention still further relates to a kind of method of making coffee.
Background technology
The most of heater element adopted of existing coffee machine is aluminium die casting heater, in the middle of contain heating wire and water service pipe, water pipe is wrapped in die-casting body in a spiral manner, to ensure maximum length, make water in water pipe, have sufficient contact to be heated, heating wire, by heating itself, passes to die-casting body, pass to water pipe by die-casting body again, thereby make water be heated.Aluminium die casting heater mode of heating, although manufacture simple, but because of the medium that heat is transmitted too much, make efficiency general, and because the aluminium die-casting body itself needs heat absorption, therefore need to have and just can make a longer preheating time aluminium die casting heater enter normal operating conditions, time consumption and energy consumption, poor user experience.Moreover, because heating wire itself need to stand harsh colding and heat succeed each other, the life-span is often very short.
Cappuccino is a kind of coffee of liking for people, and it is on partially dense coffee, pours the milk with the steam foaming into.Existing coffee machine is when making cappuccino, generally all to adopt two jacket heating systems, a set of for punching coffee, the another set of steam milk making bubble that carries out, but do not have a cover system not only can make coffee and but also the function of generating steam milk making bubble, function is comparatively single.
Summary of the invention
For overcoming the defect of above-mentioned prior art, one of purpose of the present invention is to provide that a kind of efficiency is high, the efficiency of heating surface fast, the coffee machine of heating component long service life.
Another object of the present invention is to provide a kind of can possess the coffee machine of making coffee and generating steam milk making bubble function simultaneously.
A further object of the present invention is to provide a kind of making to have the method for the coffee of milk bubble.
For achieving the above object, the present invention adopts the technical scheme of electromagnetic heating type coffee machine to be:
A kind of electromagnetic heating type coffee machine, comprise storage tank, heating component, coffee brewing core and the control circuit board of controlling coffee machine work, and described storage tank, heating component and coffee brewing core are connected successively by carrier pipe; Described heating component comprises boiler and is located at the solenoid under the boiler bottom surface, described boiler is responded to and is made its bottom of a pan produce eddy-current heating by solenoid, described boiler is airtight boiler, and boiler is provided with entrance point and the port of export, and with carrier pipe, is tightly connected respectively at entrance point and the port of export; Also be provided with the water pump for the discharge of the described boiler of control inputs between described storage tank and described boiler.Implement electromagnetic heating type coffee machine of the present invention, the heating efficiency is high, and preheating time is short, and moment, and this heat-generating system was without using heating wire with regard to exportable hot water for punching coffee, thus the life-span greatly improve, the routine use and being mated with household electrical appliances of being more convenient for.
As improvement of the technical scheme, be provided with the crossover tee valve between described boiler and described coffee brewing core, described crossover tee valve is flow divider, and its entrance connects the port of export of described boiler, one of them outlet connects described coffee brewing core, and another outlet is for exporting steam.When needs are made coffee with hot water, steam off output outlet, open hot water output outlet, thereby the hot water that boiler is generated leads to the coffee brewing core with punching coffee; When the milk making of needs steam is steeped, close hot water output outlet, open steam output outlet, thereby the steam that boiler is generated steeps for milk making, milk foam producing device both can be integrated in coffee machine body of the present invention, also can with this coffee machine body phase independent separate.Easy switching, diverse in function makes this coffee machine possess the coffee of making and milk making bubble function simultaneously.By two functions are integrated in same structure and realize, also there is the superiority of saving material, the energy, space, manufacturing cost.
As the improvement of such scheme, the entrance point of described boiler and the port of export are located at boiler middle part or top.
Improvement as such scheme, described boiler and described solenoid are separated, be provided with heat insulating mattress between described boiler and described solenoid, described solenoid below is provided with fan, also comprise a support, described boiler, heat insulating mattress, solenoid, fan are installed on described support successively.
As the improvement of such scheme, described boiler also is equipped with temperature probe.
As the improvement of such scheme, described electromagnetic heating type coffee machine also comprises pressure relief safety valve, and described pressure relief safety valve is located at the carrier pipe between the entrance of the port of export of described boiler and described crossover tee valve, or is located at the carrier pipe between water pump and boiler.
As the improvement of such scheme, the carrier pipe between described storage tank and water pump is provided with flowmeter.
As the improvement of such scheme, between water pump and boiler and the pipeline that is diameter 2mm ~ 5mm from the carrier pipe of boiler export section output.
For achieving the above object, a kind of method of making coffee that the present invention adopts is:
Use a kind of electromagnetic heating type coffee machine, it comprises storage tank, heating component, coffee brewing core and the control circuit board of controlling coffee machine work, and described storage tank, heating component and coffee brewing core are connected successively by carrier pipe; Described heating component comprises boiler and is located at the solenoid under the boiler bottom surface, described boiler is responded to and is made its bottom of a pan produce eddy-current heating by solenoid, described boiler is airtight boiler, and boiler is provided with entrance point and the port of export, and with carrier pipe, is tightly connected respectively at entrance point and the port of export; Also be provided with the water pump for the described boiler water flow of control inputs between described storage tank and boiler; Be provided with the crossover tee valve between described boiler and described coffee brewing core, described crossover tee valve is flow divider, and its entrance connects the port of export of described boiler, and one of them outlet connects described coffee brewing core, and another outlet is for exporting steam;
Concrete grammar is as follows:
One, regulate the discharge that described water pump is inputted described boiler, make the water in described boiler be heated rear generating hot water;
Two, close described crossover tee valve for exporting the outlet of steam, open the outlet that connects described coffee brewing core, the hot water that makes described boiler generate is input to the coffee brewing core with punching coffee;
Three, close the outlet that described crossover tee valve leads to the coffee brewing core, open the outlet for steam output;
Four, regulate the discharge that described water pump is inputted described boiler, make the water of described boiler be heated generating steam;
Five, the steam generated steeps for the steam milk making from the steam output outlet output of described crossover tee valve, thereby and the milk of accomplishing fluently is steeped for making the coffee with milk bubble in the coffee of step 2 punching.
For achieving the above object, the present invention also can adopt the method for following making coffee:
One, regulate the discharge that described water pump is inputted described boiler, make the water of described boiler be heated generating steam;
Two, close the outlet that described crossover tee valve connects the coffee brewing core, open the outlet for steam output, the steam generated steeps for the steam milk making from the steam output outlet output of described crossover tee valve;
Three, close described crossover tee valve for exporting the outlet of steam, open the outlet that connects described coffee brewing core;
Four, regulate the discharge that described water pump is inputted described boiler, make the water in described boiler be heated rear generating hot water;
Five, the hot water that described boiler generates is input to the coffee brewing core with punching coffee, and the milk of accomplishing fluently in step 2 is steeped to the coffee that has the milk bubble in the coffee of pouring punching into making.
Adopt the method for making coffee of the present invention, can on a coffee machine, realize not only punching coffee but also generating steam milk making bubble, dual-use, diverse in function, and what use is same set of heating system, there is the superiority of saving material, the energy, space, manufacturing cost.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electromagnetic heating type coffee machine of the present invention embodiment.
Fig. 2 is the structural representation of heating component in a kind of electromagnetic heating type coffee machine of the present invention embodiment.
Fig. 3 is the explosive view of heating component in a kind of electromagnetic heating type coffee machine of the present invention embodiment.
The specific embodiment
As shown in Figure 1, a kind of electromagnetic heating type coffee machine of the present invention embodiment, comprise storage tank 1, heating component, coffee brewing core 8 and the control circuit board (not shown) of controlling coffee machine work, described storage tank 1, heating component and coffee brewing core 8 are connected successively by carrier pipe 9;
As depicted in figs. 1 and 2, described heating component comprises boiler 3 and is located at the solenoid 4 under boiler 3 bottom surfaces, described boiler 3 makes its bottom of a pan produce eddy heating for heating by solenoid 4 inductions, described boiler 3 is airtight boiler, boiler 3 is provided with entrance point 31 and the port of export 32, and with carrier pipe 9, be tightly connected respectively at entrance point 31 and the port of export 32, also be provided with water pump 2 between described storage tank 1 and described boiler 3, the discharge of the described boiler 3 of described water pump 2 control inputs.Solenoid 4 is preferably the disk type electromagnetic coil, and as disc type spiral involute solenoid, boiler 3 is preferably the stainless steel boiler.
In embodiments of the present invention, it adopts 4 pairs of boilers 3 of solenoid to heat to produce the hot water for punching coffee, after machine startup, solenoid 4 is immediately at boiler 3 generation magnetic field, bottom eddy current, make boiler 3 the bottom of a pan heatings, thereby within several seconds, even moment can be used for punching coffee by generating hot water, and the hot water formation efficiency improves greatly.Use the coffee machine of existing aluminium die casting heater, after machine startup, need to wait for even just can make aluminium die casting heater enter normal operating conditions the preheating time of a few minutes in one or two minute, thereby generating hot water carries out coffee punching, time consumption and energy consumption.As can be seen here, use the present invention without waiting as long for preheating, can greatly improve user's experience.In addition, adopt the coffee machine of existing aluminium die casting heater, too much because of heat transmission medium, so efficiency is general, and, because heating wire itself stands harsh colding and heat succeed each other, easily blows, and the life-span is often of short duration.Implement electromagnetic heating type coffee machine embodiment of the present invention, it adopts the Electromagnetic Heating mode, and solenoid and boiler have been taked to unique layout and structure, efficiency is high, and boiler vessel makes boiler bottom generation eddy current generate heat by solenoid by high-frequency electromagnetic induction, and boiler is made by stainless steel or other metal materials that can participate in electromagnetic induction, with heating wire, compare, there is stronger tolerance, thus the life-span greatly improve, be convenient to routine use and mated with household electrical appliances.In addition, though the solenoid volume is little, rated power is high, and the routine use of also being more convenient for reaches with household electrical appliances and mated.
In embodiments of the present invention, by water pump 2, the water of storage tank 1 can be extracted into to boiler 3, boiler 3 is airtight boiler, 4 pairs of boilers 3 of solenoid by boiler 3 bottoms are heated, and heat itself transmits feedwater by boiler 3, regulate the discharge of the described boiler 3 of water pump 2 input, water in boiler 3 can be heated to form hot water, and sends into coffee brewing core 8 for punching coffee; Water yield output by the water pump 2 that slows down, the water in boiler 3 is heated to evaporating state, and under the continuous operation of water pump 2, the steam generated is exportablely for the steam milk making, to steep.With regard to output hot water, embodiment of the present invention system can be exported hot water once starting, and the hot water delivery efficiency is high, can freely adjust the temperature of produced hot water by the discharge of adjusting water pump 2 input boilers 3, realizes easily the variations in temperature of output hot water.At this, initialization system rated power is 1200w, according to specific heat of water=4.2*103J/kg. ℃, supposes that 80 ℃ for the heat outputting coolant-temperature gage, and 25 ℃ is input normal-temperature water temperature, if go for the hot water of 1000 milliliters (1kg), institute's calorific requirement is:
E=（80-25）*4.2*1000*1=231000j
Under 1200w rated power, required time is:
T=231000/1200=192.5 second=3.2 minute
Therefore show that the water pump output flow is:
r=1000/3.2=312.5ml/min
Therefore, utilize control circuit board by the flow-control of water pump 2 at 312.5ml/min, can realize 80 degree hot water of output unit volume in the unit interval, the number of hot water need to be taken by the deep or light taste of coffee of institute's punching by the user and be got final product, and the temperature of hot water can be exportable more high-temperature-hot-water lower than 312.5ml/min by regulating water pump 2 flows, regulating water pump 2 flows is the hot water of exportable more low temperature higher than 312.5ml/min, and this process all can allow the client set by controlling interface voluntarily according to the coffee of required different temperatures separately, very convenient and energy-conservation.In addition, use the present invention, can select the very boiler of small dimension, thereby the water yield of heating is also little deal each time, can further improve out hot water efficiency.For example boiler diameter is set as to 60mm, thickness is 3mm, and actual volume is V=3.14*(60/2)
2* 3=8478mm3 ≈ 8.5ml, so at every turn when the user stops using, the water of 8.5ml only can be left in the boiler the inside, guarantees that loss is less, if boiler is larger, the water that the row of not leaving is more, loss is larger.
With regard to output steam, initialization system rated power is 1200W, according to specific heat of water=4.2*103J/kg. ℃, the heat of gasification of water is 40.8 kj/mol, suppose that 100 ℃ for the boiling point of water, 25 ℃ is input normal-temperature water temperature, supposes the normal-temperature water of 1000 milliliters (1kg) all is converted into to steam, and institute's calorific requirement is:
The hot water stage: E1=(100-25) * 4.2*1000*1=315000j
Evaporation stage: the water=18g of 1 mole, 1kg water=1000/18=55.6 mole
E2=40.8*1000*55.6=2268480j
Gross energy is E=E1+E2=2583480j
Under 1200w rated power, required time is:
T=2583480/1200=2152.9 second=35.8 minute
Therefore show that the water pump output flow is:
r=1000/35.8=27.9ml/min
Therefore, utilize control circuit board by the flow-control of water pump 2 at 27.9ml/min, can realize, in the unit interval, the water of all inputs all is converted into to steam, steam produce the number by the user, by time length, determined, because be greater than the words of 27.9ml/min when pump capacity, cause steam gasification incomplete, therefore system will be locked in 27.9ml/min by pump capacity in the steam stage that produces, and the user can successively export steam without regulating.Further, regulate and control the water yield of input boiler 3 well by water pump 2, can make the interior water yield of boiler 3 remain on one more among a small circle in, solenoid 4 is just just heated for sub-fraction water at every turn like this, and do not need the heating of whole pot water, thereby boil water produce steam fast, even can be by regulating the water yield of water pump 2 input boilers 3, make boiler 3 interior water just only have the thin layer in the bottom of a pan, can promptly produce steam, further, if regulate the water of input boiler 3 enters for being a shape by water pump 2, water is converted into steam once drippage the bottom of a pan moment, it is very rapid that steam produces speed, steam generation speed and efficiency have greatly been improved.Adopt the present invention, avoided the energy dissipation that whole pot hot water heating is caused, can be by the hierarchical segmented formula of the adjusting of water pump ground toward the boiler water delivery, make boiler remain on the state to the small amount of water heating, thereby instantaneously producing steam, and can heat as required, take as required, greatly improve steam generation efficiency, and energy-conserving and environment-protective.
From above-mentioned, by regulating the discharge of water pump 2 input boilers 3, just can arbitrarily switch the output of hot water and steam, the also random temperature of the hot water of regulation output, therefore, use electromagnetic heating type coffee machine of the present invention, possess simultaneously and make coffee and export the function that steam carries out steam milk making bubble, dual-use, make the user can in a machine, make the coffee with milk bubble of characteristic.
Further, be provided with crossover tee valve 7 between described boiler 3 and described coffee brewing core 8, described crossover tee valve 7 is flow divider, and its entrance 71 connects the port of export 32 of described boiler 3, one of them outlet 72 connects described coffee brewing core 8, and another outlet 72 is for exporting steam.By using crossover tee valve 7, be an available one outlet 72 output hot water, outlet 73 output steam, switched.When needs are made coffee with hot water, steam off output outlet 73, open hot water output outlet 72, thereby the hot water that boiler 3 is generated leads to coffee brewing core 8 with punching coffee; When the milk making of needs steam is steeped, close hot water output outlet 72, open steam output outlet 73, thereby the steam that boiler 3 is generated steeps for milk making, milk foam producing device both can be integrated in coffee machine body, also can with coffee machine body phase independent separate.Easy switching, diverse in function.By two functions are integrated in same structure and realize, also there is the superiority of saving material, the energy, space, manufacturing cost.
Preferably, the entrance point 31 of described boiler 3 and the port of export 32 are located at boiler middle part or top, more preferably top.When generating steam, controlling water pump 2 makes the water of input boiler 3 not take boiler 3, especially make the water surface of the water in boiler 3 lower than the port of export 32, like this, because boiler 3 and solenoid 4 are put as upper and lower relation, it is the face that directly is heated that boiler 3 only has bottom surface, the entrance point 31 in water route and the port of export 32 are all on boiler 3 middle parts or top simultaneously, so water is to enter from top, drop onto boiler 3 heating surfaces, thereby be heated to evaporation, and the physical characteristic of steam is for moving upward, therefore just in time from middle part or the outlet on top output, and in the course of work of generating steam, leave space in boiler 3, water does not take whole boiler 3, therefore can guarantee that water does not touch the port of export 32, water is vaporized Shi Huixiang and rises, in the middle of moisture can again drop on because of gravity heating and gasifying again on heating surface, thereby the steam that can not be produced is taken out of in the lump, make the steam water content of output low, rate of gasification is high.With water content, low steam goes the milk making bubble can not dilute milk wherein, makes the milk bubble giving off a strong fragrance alcohol of getting strongly fragrant, and the cappuccino of made is also fragrant strongly fragrant good to eat.Certainly, entrance point 31 and the port of export 32 of boiler 3 also can arrange other positions, only, when generating steam, are unfavorable for realizing the very low effect of output steam water content.Will be understood that, the entrance point of boiler 3 31 and the port of export 32 are not arranged on to middle part or top also falls into protection scope of the present invention.
In the technology of existing making steam, can, by one pot of water of heating, collect the steam of its generation, also favourablely with Electrothermic wire, wrap up pipeline, ducted water heating and gasifying is produced to steam, but all be mingled with many moisture content in its steam occurred, water content is high.Coffee machine as existing employing aluminium die casting boiler, aluminium die casting heater passes into water with elongated pipeline, and conduct heat slowly, make steam if be used for, will cause hot water can't be heated to gasification temperature fully, gasification not exclusively, make in the steam of generation and be mingled with not vaporized water in a large number, more difficultly sneak into enough gas and carry out milk making bubble, also because a large amount of water is incorporated in milk, make milk be diluted simultaneously.The present invention adopts solenoid to be located at boiler below, and it is the mode of heating surface that boiler only has its bottom of a pan, leaves certain space in boiler, allows the moisture in steam naturally sink and again to be gasified, so can overcome well this defect.
Preferably, as shown in Figure 2 and Figure 3, described boiler 3 is separated with described solenoid 4, and because solenoid 4 is that alternating magnetic field by its generation is heated boiler 3 bottoms, therefore, solenoid 4 can be separated with boiler 3 fully, so that assembled.Further, between described boiler 3 and described solenoid 4, be provided with heat insulating mattress 41, after can avoiding boiler 3 to be heated, solenoid 4 caused damage.In embodiments of the present invention, it can be also circular gasket that heat insulating mattress can adopt square washer, in the form of sheets.Preferably, solenoid 4 belows also can arrange fan 42 so that solenoid 4 and boiler 3 are dispelled the heat, and boiler 3, heat insulating mattress 41, solenoid 4, radiator fan 42 are installed on support 43 together, and structure is small and exquisite simple, easy installation and removal.But above-mentioned boiler 3, heat insulating mattress 41 and solenoid 4 manufacture respectively after direct-assembling be integral use, compared to water pipe in existing coffee machine, be wrapped in a spiral manner in die-casting body, there is the superiority of significant structure.
Preferably, described boiler 3 also is equipped with temperature probe 5.Because having control circuit board to control machine, system automatically moves; the user only need press associated button can realize successional Full-automatic hot-water or steam output; carry out coffee punching or milk making bubble, temperature probe 5 can protect the boiler 3 can overheated dry combustion method and control leaving water temperature.Preferably, electromagnetic type coffee machine of the present invention also comprises pressure relief safety valve 6, and pressure relief safety valve 6 is located on the carrier pipe 9 that boiler 3 ports of export 32 are connected with the entrance 71 of crossover tee valve 7, and pressure relief safety valve 6 can be used for the earth pressure release of water route when blocked.Pressure relief safety valve 6 also can be located at the carrier pipe between water pump 2 and boiler 3.Preferably, the carrier pipe between described storage tank 1 and water pump 2 is provided with flowmeter 11, and flowmeter 11 is used for quantitatively regulating according to coffee the water yield of sending into water pump 2 from storage tank 1.The present invention is by the use of flowmeter 11, can there is the automatic ration function, the user only need to select deep or light taste to press corresponding button on coffee machine, flowmeter 11 can detect the amount that water flow in pipeline is crossed, and when water, by after flowmeter, flowmeter can feed back a signal to control circuit board, control circuit board quits work after specific signal detecting, to have meaned desired amount, therefore, coffee machine automatically quits work after the input corresponding water amount completes the coffee of suiting one's taste mutually.
Preferably, between water pump 2 and boiler 3 and the pipeline that is diameter 2mm ~ 5mm from the carrier pipe 9 of boiler 3 ports of export 32 outputs.The native system pipeline adopts and flexibly connects, thereby, applicable to different applicable situations, avoids better spatial limitation that coupling conveniently is installed.Because of under identical pressure, pressure is directly proportional to sectional area, therefore reducing sectional area will reduce the pressure that pipeline is subject to, increase service life, can use the pipeline of 2mm ~ 5mm diameter in the present invention, because of its pressure born under certain pressure intensity comparatively suitable, can better meet demand of the present invention, in certain embodiments, as the pipeline of employing 2mm or pipeline or the pipeline of 4mm or the pipeline of 5mm of 3mm, as long as can meet preferably the design service life demand of coffee machine of the present invention.Preferred, adopt the pipeline of diameter 2mm, can reduce the internal volume that takies coffee machine, thereby make coffee-making machine structure smaller and more exquisite, moreover can more preferably reduce heat because of the heat transmission of the passing through tube wall waste of scattering and disappearing.
Under regard to the embodiment that the present invention makes the method for coffee and describe:
Use a kind of electromagnetic heating type coffee machine, it comprises storage tank 1, heating component, coffee brewing core 8 and the control circuit board of controlling coffee machine work, and described storage tank 1, heating component and coffee brewing core 8 are connected successively by carrier pipe 9; Described heating component comprises boiler 3 and is located at the solenoid 4 under boiler 3 bottom surfaces, described boiler 3 makes its bottom of a pan produce eddy-current heating by solenoid 4 inductions, described boiler 3 is airtight boiler, boiler 3 is provided with entrance point 31 and the port of export 32, and with carrier pipe 9, is tightly connected respectively at entrance point 31 and the port of export 32; Also be provided with the water pump 2 for the described boiler water flow of control inputs between described storage tank 1 and boiler 3; Be provided with crossover tee valve 7 between described boiler 3 and described coffee brewing core 8, described crossover tee valve 7 is flow divider, its entrance 71 connects the port of export 32 of described boiler, and one of them outlet 72 connects described coffee brewing core, and another outlet 73 is for exporting steam;
In one embodiment, concrete steps are as follows: one, regulate the discharge of the described boiler 3 of water pump 2 input, make the water in described boiler 3 be heated rear generating hot water;
Two, control the hot water input coffee brewing core 8 punching coffees that described crossover tee valve 7 makes described boiler 3 generate;
Three, described crossover tee valve 7 cuts out the outlet 72 towards coffee brewing core 8, opens steam output outlet 73;
Four, regulate the discharge of the described boiler 3 of described water pump 2 input, make the water of described boiler 3 be heated generating steam;
Five, the steam generated steeps for the steam milk making from steam outlet 73 outputs of described crossover tee valve 7, thereby and the milk bubble of accomplishing fluently is made to the coffee with milk bubble for the coffee of hot water punching.
As with 80 ℃ of hot water punching coffees, system rated power is 1200W, in step 1, the water of water pump input is 25 ℃ of normal-temperature water, control circuit board is 312.5ml/min by the flow-control of water pump 2 input boilers 3, control 3 heating of 4 pairs of boilers of solenoid, 80 ℃ of hot water of boiler 3 port of export 32 constant outputs.
Exported hot water is led to coffee brewing core 8 punching coffees, and after punching coffee, crossover tee valve 7 cuts out the outlet 72 towards coffee brewing core 8, opens steam output outlet 73; And control circuit board is 27.9ml/min by the flow-control of water pump 2 input boilers 3, control 3 heating of 4 pairs of boilers of solenoid, the constant output steam of boiler 3 port of export 32.Now, generated steam can be steeped for milk making, then the milk bubble of accomplishing fluently be had to the coffee of milk bubble with making for the above-mentioned coffee with the hot water punching.Adopt the method for making coffee of the present invention, can on a coffee machine, realize not only punching coffee but also milk making bubble, dual-use, diverse in function, and also what use is same set of heating system, has the superiority of saving material, the energy, space, manufacturing cost.
It should be noted that, above-mentioned steps is not unique absolute, in further embodiments, while with this coffee machine, making the coffee with milk bubble, also can first use the steam output function to steep for the steam milk making, after accomplishing fluently the milk bubble, regulate the discharge of water pump 2 input boilers 3, make its output hot water, and switch transition triple valve 7, make the hot water of output lead to coffee brewing core 8 punching coffees, the coffee making of afterwards the milk bubble of having accomplished fluently being poured into to the hot water punching has the coffee of milk bubble.
Further, when output steam, control the output flow of described water pump 2, make the water yield of sending into described boiler 3 not take boiler 3, and make the water level in boiler 3 not touch the port of export 32.Such as adopting the boiler that can store 33ml water, when making steam, as long as water pump pump discharge remains on 27.9ml/min or following, boiler can guarantee always all in discontented state.Like this, because boiler 3 and solenoid 4 are put as upper and lower relation, it is the face that directly is heated that boiler 3 only has bottom surface, simultaneously water route entrance point 31 and the port of export 32 all on boiler 3 middle parts or top, so water is to enter from the heating surface top, drop onto boiler 3 heating surfaces, thereby be heated to evaporation, and the physical characteristic of steam is for moving upward, therefore just in time from the port of export 32 outputs, and in the course of the work, leave space in boiler 3, water does not take whole boiler 3, therefore can guarantee that water does not touch the port of export 32, water is vaporized Shi Huixiang and rises, in the middle of moisture can again drop on because of gravity heating and gasifying again on heating surface, thereby the steam that can not be produced is taken out of in the lump, make the steam water content of output low, rate of gasification is high.With water content, low steam goes milk making bubble can not dilute milk wherein, makes the milk of getting steep that more giving off a strong fragrance alcohol is strongly fragrant, and the cappuccino of made is also fragrant strongly fragrant good to eat.
That further, can control described water pump 2 discontinuous inputs water described boiler 3.In the present invention, when generating steam, known system per minute can evaporate the water of 27.9ml, therefore water pump can be at 1 second, 2 seconds, 3 seconds ... the perhaps water of disposable injection 27.9ml in 10 seconds, then quit work, treat that water is evaporated fully, if but like this user's cut take, in boiler, remaining water will waste.Therefore preferred scheme is that control water pump per second injects the water of 27.9/60=0.465ml, like this, even the user stops taking steam, only has at most the water residue of 0.465ml in boiler, does not substantially have waste.Like this, each water that only need heat as required a small amount of, on the one hand because the rare Fast Heating generating steam that is beneficial to of the water yield; On the other hand, can avoid causing the unwanted water of a cauldron, cause waste, the method that adopts the present invention to make coffee, the water of inputting as required respective amount is to boiler and heating take and get final product as required as required, more energy-conservation.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belong to the scope that the present invention is contained.
Claims (10)
1. an electromagnetic heating type coffee machine is characterized in that: comprise storage tank, heating component, coffee brewing core and the control circuit board of controlling coffee machine work, described storage tank, heating component and coffee brewing core are connected successively by carrier pipe;
Described heating component comprises boiler and is located at the solenoid under the boiler bottom surface, described boiler is responded to and is made its bottom of a pan produce eddy-current heating by solenoid, described boiler is airtight boiler, and boiler is provided with entrance point and the port of export, and with carrier pipe, is tightly connected respectively at entrance point and the port of export;
Also be provided with the water pump for the described boiler water flow of control inputs between described storage tank and boiler.
2. electromagnetic heating type coffee machine as claimed in claim 1, it is characterized in that: between described boiler and described coffee brewing core, be provided with the crossover tee valve, described crossover tee valve is flow divider, its entrance connects the port of export of described boiler, one of them outlet connects described coffee brewing core, and another outlet is for exporting steam.
3. electromagnetic heating type coffee machine as claimed in claim 1 or 2 is characterized in that: the entrance point of described boiler and the port of export are located at boiler middle part or top.
4. electromagnetic heating type coffee machine as claimed in claim 1 or 2, it is characterized in that: described boiler and described solenoid are separated, be provided with heat insulating mattress between described boiler and described solenoid, described solenoid below is provided with fan, also comprise a support, described boiler, heat insulating mattress, solenoid, fan are installed on described support successively.
5. electromagnetic heating type coffee machine as claimed in claim 1 or 2, it is characterized in that: described boiler also is equipped with temperature probe.
6. electromagnetic heating type coffee machine as claimed in claim 2, it is characterized in that: described electromagnetic heating type coffee machine also comprises pressure relief safety valve, described pressure relief safety valve is located at the carrier pipe between the entrance of the port of export of described boiler and described crossover tee valve, or is located at the carrier pipe between water pump and boiler.
7. electromagnetic heating type coffee machine as claimed in claim 1 or 2, it is characterized in that: the carrier pipe between described storage tank and water pump is provided with flowmeter.
8. hot water as claimed in claim 1 or 2 and steam generating system is characterized in that: between water pump and boiler and the pipeline that is diameter 2mm ~ 5mm from the carrier pipe of boiler export section output.
9. a method of using electromagnetic heating type coffee machine as claimed in claim 2 to make coffee, is characterized in that, step is as follows:
One, regulate the discharge that described water pump is inputted described boiler, make the water in described boiler be heated rear generating hot water;
Two, close described crossover tee valve for exporting the outlet of steam, open the outlet that connects described coffee brewing core, the hot water that makes described boiler generate is input to the coffee brewing core with punching coffee;
Three, close the outlet that described crossover tee valve leads to the coffee brewing core, open the outlet for steam output;
Four, regulate the discharge that described water pump is inputted described boiler, make the water of described boiler be heated generating steam;
Five, the steam generated steeps for the steam milk making from the steam output outlet output of described crossover tee valve, thereby and the milk of accomplishing fluently is steeped for making the coffee with milk bubble in the coffee of step 2 punching.
10. a method of using electromagnetic heating type coffee machine as claimed in claim 2 to make coffee, is characterized in that, step is as follows:
One, regulate the discharge that described water pump is inputted described boiler, make the water of described boiler be heated generating steam;
Two, close the outlet that described crossover tee valve connects the coffee brewing core, open the outlet for steam output, the steam generated steeps for the steam milk making from the steam output outlet output of described crossover tee valve;
Three, close described crossover tee valve for exporting the outlet of steam, open the outlet that connects described coffee brewing core;
Four, regulate the discharge that described water pump is inputted described boiler, make the water in described boiler be heated rear generating hot water;
Five, the hot water that described boiler generates is input to the coffee brewing core with punching coffee, and the milk of accomplishing fluently in step 2 is steeped to the coffee that has the milk bubble in the coffee of pouring punching into making.
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| CN109805756A (en) * | 2018-12-31 | 2019-05-28 | 曹进 | A kind of control method of quickly cooling water dispenser |
| CN112190155A (en) * | 2020-09-14 | 2021-01-08 | 周传伟 | Multifunctional food cooking machine and control method |
| CN112190155B (en) * | 2020-09-14 | 2023-12-05 | 周传伟 | Multifunctional food cooking machine and control method |
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