A kind of novel single cup of coffee brewers
The utility model relates to a kind of coffee making apparatus, specifically a kind of novel single cup of coffee brewers.
When infusing coffee, in order to consider add how much water, put how many ground coffees, market there is coffee capsule, be sealed in capsule by ground coffee, realize quantitatively if any in more than the 200 kinds of alternative K-Cup of coffee, then coffee capsule put into capsule coffee machine, puncture capsule by operation by capsule coffee machine and pour in capsule quantitatively, the hot water of constant temperature discharges the coffee that can brew one glass of fresh delicious food again through outlet.Therefore, the requirement that capsule coffee machine provides the water yield of hot water, water temperature should reach higher, but existing capsule coffee machine is difficult to control this.
Therefore, China Patent No.: 201420109071.0, propose a kind of capsule beverage brewing apparatus, it comprises capsule and fixes lancing device, and it comprises the first bayonet, the second bayonet for thrusting capsule beverage, and described second bayonet connects beverage outlet; For the water tank of retaining; Be connected to the water heater between described water tank and the first bayonet by water-supply-pipe, the water-supply-pipe between described water tank and water heater is provided with and controls the check valve of current from described tank flow water heater; For the first water-delivery pump that the water in described water tank is carried to described water heater.For the second water-delivery pump that the water in described water heater is carried to described first bayonet; For controlling the temperature detect switch (TDS) of water temperature in described water heater; For controlling the water yield switch of the water yield in described water heater.The first described water-delivery pump is air pump, and it is connected on described water tank by tracheae.In this embodiment, be connected by pipeline between water tank with heater and between heater with bayonet, and add suction pump in pipeline, force current to enter heater, or enter into bayonet from heater and to infuse coffee bag.Or on water tank or heater, connect air pump by pipeline, toward pump gas in water tank or heater when needing to use water, promote its internal pressure, water in water tank or heater is extruded by pressure, realization water function.
But, said structure operation principle and frame for movement are too complicated, need multiple water pump or air pump cooperating during processing extraction coffee, cause processing, production, assembling more complicated difficulty first, second cause production cost and power consumption higher, the market competitiveness is weak.Three air pumps or water pump are in humidity for a long time, and the working environment of high temperature, high pressure, very easily damages, and cause fault rate high, are difficult to ensure its working life.Four fundamental rules easily pump in water tank or heater by the dust in air, impurity, bacterium etc. in pump gas process, affects drinking water hygiene safety.Therefore be necessary to do to improve further to existing single cup of coffee, K-Cup brewing apparatus.
Utility model content
The purpose of this utility model is the shortcoming existed to overcome prior art, and provide a kind of structure simple, easy to assembly, production cost is low, and working stability is efficient, safety and sanitation, the novel single cup of coffee brewers of the one that energy consumption is low.
The utility model object realizes with the following methods: a kind of novel single cup of coffee brewers, it comprises heating boiler and the tea infuser for piercing through coffee pads, be connected by water inlet pipe between tea infuser with heating boiler, it is characterized in that: the water inlet described heating boiler being provided with band check valve communicates with the external world, boiler wall is also provided with temperature sensor and pressure sensor and control circuit Electricity Federation, described water inlet pipe is also provided with relief valve and water intaking valve, water intaking valve and control system Electricity Federation, only when the pressure in boiler arrives setting numerical value, water intaking valve can be opened.
Described water inlet is also connected with water storage box, and described check valve is be arranged on above-mentioned electromagnetism check valve between the two.
Described check valve is the sealing valve block be arranged on water inlet, sealing valve block under the effect of back-moving spring all the time upwards lifting cover on water sealing ring, be in closed condition under making water inlet normality.
Described temperature sensor is NTC thermistor.
Described water inlet pipe extends into the bottom of heating boiler, and bottom heating boiler between clearance control between 1-5mm.
Described heating boiler is by metal material or heat-resisting, pressure-resistant plastic material making.
Level sensor and control system Electricity Federation is also provided with in described heating boiler.
The beneficial effects of the utility model are: 1, structure is simple, and easy to assembly, production cost is low, and the market competitiveness is strong.2, utilize the steam pressure produced during heated sealed cold water that water is squeezed out heating boiler, while meeting instructions for use, simplify the water pump in conventional art and air pump structure, reduce production cost and fault rate further, increase the service life.3, multiple pressure controlling functions, can accurately control heating kettle furnace pressure and temperature, can reduce the performance requirement to heating boiler.4, avoid easily entering bacterium, dust and other impurities toward in boiler in pump gas process in conventional art, ensure water safety.
Accompanying drawing explanation
Fig. 1 is the utility model first example structure schematic diagram.
Fig. 2 is the utility model second example structure schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, concrete further instruction is done to the utility model.A kind of novel single cup of coffee brewers, it comprises heating boiler 1 and the tea infuser 2 for piercing through coffee pads, be connected by water inlet pipe 3 between tea infuser 2 with heating boiler 1, it is characterized in that: the water inlet 5 described heating boiler 1 being provided with band check valve 4 communicates with the external world, boiler wall is also provided with temperature sensor 6 and pressure sensor and control circuit Electricity Federation, described water inlet pipe 3 is also provided with relief valve 7 and water intaking valve 8, water intaking valve 8 and control system Electricity Federation, only when the pressure in boiler arrives setting numerical value, water intaking valve 8 can be opened.
Described water inlet 5 is also connected with water storage box 9, and described check valve 4 is for being arranged on above-mentioned electromagnetism check valve between the two.
Described check valve 4 for being arranged on the sealing valve block 41 on water inlet, sealing valve block 41 under the effect of back-moving spring 42 all the time upwards lifting cover on water sealing ring 43, be in closed condition under making water inlet 5 normality.When boiler heats, sealing valve block can be pressed on sealing ring by the steam pressure of generation, ensures its seal.
Described temperature sensor 6 is NTC thermistor.NTC energy accurate temperature measurements numerical value, provides basis for control system accurately controls relevant generation.
Described water inlet pipe 3 extends into the bottom of heating boiler 1, and bottom heating boiler 1 between clearance control between 1-5mm.Such distance controlling can make water intaking valve after opening, is positioned at boiler water and discharges fast, avoids generation steam to leak in advance and causes water yield on the low side, ensure water outlet efficiency.
Described heating boiler 1 is by metal material or heat-resisting, pressure-resistant plastic material making.
Level sensor 10 and control system Electricity Federation is also provided with in described heating boiler.
Operation principle: the first embodiment: as indicated with 1, in this case, the water inlet of heating boiler is provided with check valve, this water inlet can be horn mouth, and user can utilize other utensils that are filled with water to add water in heating boiler from this horn mouth.Wherein it should be noted that, individual event valve is herein sealing valve block, under the effect of back-moving spring, drives sealing valve block to cover on the sealing ring that is positioned on water inlet all the time from inside to outside, makes it be closed by water inlet.When user adds water, push open at the deadweight lower disc of water, current are entered in heating boiler.Certainly, control system can arrange corresponding indicator lamp or frame for movement, only user can be allowed to add water when pot furnace pressure is in safe range, avoids generation steam to leak and causes the accident.
Second embodiment: as shown in Figure 2, the water inlet of heating boiler is connected with water storage box 9, and is connected by magnetic valve between the two, and when user needs to add water in heating boiler, open magnetic valve, the water in water storage box enters in heating boiler through magnetic valve.When stopping adding water, shut electromagnetic valve.
Under normality, the check valve on water inlet is in closed condition, and the heat-generating disc bottom heating boiler is energized work under the effect of control system, and the water in heating boiler is warming up to design temperature.In heating process, the steam of generation forces temperature in boiler and pressure increase.After user adds coffee capsule in tea infuser, when startup brews function, control system opens the water intaking valve on water inlet pipe, under gas pressure own in boiler, is imported in tea infuser by current, realize coffee brewing function by water inlet pipe.
Wherein it should be noted that: the water movement in this case relies on the pressure that in boiler heating process, oneself produces, so the water pump can simplified in conventional art or air pump structure, while reduction production cost, reduce rate of breakdown, extend and ensure its service life.Also avoid using water pump easily to cause noise pollution in conventional art, use air pump easily makes the dust in air, and the foreign material such as bacterium enter the impact water hygiene in boiler simultaneously.
Wherein in order to accurately control the water level in boiler, water temperature and pressure, be provided with cooling-water temperature sensor in this case in boiler, temperature sensor, and pressure sensor, and with control system Electricity Federation, the signal that control system is fed back according to related sensor controls heat time and the power of heat-generating disc.Realize the object that associated technical parameters is controlled, ensure coffee brewing quality.
Further: in order to prevent hypertonia generation security incident in boiler, be also connected with relief valve on heating boiler or water inlet pipe in this case, once pot furnace pressure exceeds standard, relief valve is pulled up a horse pressure release, ensures that boiler pressure is in safe range.Usually; the pressure that this class coffee brewers needs is probably 1.5-2.5 handkerchief; belong to low pressure range; add multiple safety protection function, compared with conventional art, relatively low to technical requirements such as the pressure-bearings of boiler; therefore more economical and practical material can be adopted; as plastic cement, the materials such as aluminium make, and reduce production cost.Comprehensively above-mentioned, this case technology is unique with it, design cleverly, while its using function of guarantee and effect, also can reduce its production cost, to promote the market competitiveness, therefore extensively can promote places such as being applicable to various single cup of coffees (K-Cup) and uses.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, as the setting position of check valve, and form; the manufacture material etc. of boiler, these changes and improvements all fall within the scope of claimed the utility model.