Summary of the invention
In order to overcome the deficiencies in the prior art, it is an object of the present invention to provide a kind of filter effect and grind the coffee machine of bean preferably.
For achieving the above object, thering is provided a kind of coffee machine grinding bean, including main body, grind defecator, water tank and heater, described grinding defecator, water tank and heater are located in main body, it is characterized in that, grind defecator and include: for holding the cavity of liquid and coffee particles；Grinding assembly for ground coffee granule；It is connected and is used for driving the driving mechanism of grinding assembly with grinding assembly；And the first filter entered for the hot water in filter cavity or seepage divide and spill device, described cavity is provided with cavity hatch, grinding assembly be placed in cavity at least partially, described cavity includes beverage making cavity, beverage making cavity is provided with beverage making cavity opening, described beverage making cavity bottom is provided with the fluid passage connected with described beverage making cavity, first filter or seepage are divided and are spilt device and be positioned partially or entirely in beverage making cavity top, and described fluid passage is arranged in the second filter bottom or sidepiece makes the coffee liquid of beverage making cavity flow through the second filter before entering fluid passage.Coffee liquid is easier to filter from by the second filter being positioned partially or entirely in bottom beverage making cavity due to gravity, and this contributes to coffee liquid and discharges and avoided coffee to remain in beverage making cavity.Additionally coffee liquid forms the liquid stream flowing to beverage making cavity bottom or sidepiece due to gravity in beverage making cavity, make it easier to the second filter from beverage making cavity bottom or sidepiece to discharge, and contribute to being positioned at the coffee particles rapid solution of beverage making cavity to form the coffee liquid that concentration is higher.
In one embodiment, described grinding assembly includes blade and cutter shaft, described cutter shaft is bottom beverage making cavity, the one end of the described cutter shaft being positioned at beverage making cavity connects blade, the one end of the described cutter shaft being positioned at outside beverage making cavity connects driving mechanism, so that described driving mechanism drives blade rotation by cutter shaft, to grind the coffee particles in beverage making cavity.Blade rotation energy ground coffee granule, makes coffee particles become the second size from first size, wherein second is smaller in size than first size.Liquid is mixed to form coffee liquid in entrance beverage making cavity with ground coffee particles (coffee particles of the second size).It addition, coffee liquid can be stirred by the blade rotated, accelerate the dissolving of coffee particles.
In one embodiment, described first filter or seepage are divided and are spilt device and be arranged on below the first lid or bottom；
Described first filter or seepage are divided and are spilt device and the first lid is wholely set, or the first filter or seepage are divided and are spilt device and the first lid split and arrange, or the first filter or seepage are divided and are spilt device and beverage making cavity and be located by connecting, or the first filter or seepage are divided and spilt device and the second filter is located by connecting, or the first filter or seepage are divided and are spilt device and the second filter is wholely set that Open Side Down；
The hot water of described heater is divided by the first filter or seepage and spills after device from top to bottom penetrates into, inside beverage making cavity, coffee powder is brewed dissolving, then is flowed out to collecting chamber by the second filter；
Described first filter or seepage are divided and are spilt device top and arrange peripheral safe edge, or, first filter or seepage are divided and are spilt device and beverage making cavity inwall and be combined into a safe edge, or, first filter or seepage are divided and are spilt device and the first cover assembling becomes a safe edge, or, the first filter or seepage are divided and are spilt device and the second combination of filters becomes a safe edge；After hot water is trapped into the first filter by safe edge or seepage divides the seepage place spilling device to be downwardly into, inside beverage making cavity, coffee powder is brewed dissolving, then flowed out to collecting chamber by the second filter；
Described first filter or seepage are divided to spill and are converted unhurried current to after the hot water impulsive force of heater interval ejection is received by device and penetrate into, inside beverage making cavity, coffee powder is brewed dissolving.
Described first filter or seepage divide spill coffee powder when grinding assembly is pulverized coffee particles by device or beverage making cavity infuse coffee powder time coffee powder stop and enter inside outlet.
Owing to producing coffee dust when the grinding assembly of coffee machine pulverizes coffee particles, by arranging the first filter or seepage is divided and spilt device and closed by coffee powder and do not leak outside inside beverage making cavity, so coffee dust will not be thrown to inside outlet.Owing to the heater of coffee machine is that clearance-type is infused coffee powder mode, the quick resorption of meeting after injection water outlet every time, by arranging the first filter or seepage is divided and spilt device and closed by coffee powder and do not leak outside inside beverage making cavity, so coffee powder will not be drawn back into inside outlet.
In one embodiment, described cavity also includes collecting chamber, and described collecting chamber is connected with beverage making cavity so that filtered coffee liquid flows into collecting chamber through fluid passage by fluid passage.Described collecting chamber can store filtered coffee liquid.Needing the regular hour owing to coffee liquid is filtered, the possible concentration of coffee liquid first flowing out beverage making cavity is relatively low, and the coffee liquid then flowing out beverage making cavity dissolves coffee particles with the more time, therefore has higher concentration.The liquid that the relatively low coffee liquid of concentration is higher with concentration mixes in collecting chamber can obtain the coffee liquid that concentration is suitable.
In a preferred embodiment, being provided with collecting chamber water valve bottom described collecting chamber, described collecting chamber water valve is for controlling the discharge of the liquid of collecting chamber.When people need coffee, it is possible to open collecting chamber water valve and make coffee liquid flow out for people and enjoy from the coffee machine of mill bean, it is not necessary to during coffee, it is possible to close collecting chamber water valve and make coffee liquid stop flowing out from the coffee machine of mill bean.Coffee is so made to be wasted.
It is highly preferred that described collecting chamber is provided with the 3rd filter for filtering the liquid entering collecting chamber, described 3rd filter is provided so that the coffee liquid stream entering collecting chamber flowed through the 3rd filter before collecting chamber water valve.Coffee liquid can be carried out second time and filter by the 3rd filter, removes the residue in coffee liquid further to obtain mouthfeel coffee more preferably.Coffee liquid owing to entering collecting chamber is filtered by the second filter, and coffee particles in coffee liquid is less is not easily deposited on bottom, and therefore the 3rd filter can be not arranged in bottom collecting chamber.3rd filter can be alternatively provided at the optional position of the collecting chamber so that flowing through the 3rd filter before the coffee liquid stream entering collecting chamber to water valve.
In a preferred embodiment, the bottom surface of described second filter is higher than the inner bottom surface of collecting chamber.In present embodiment, collecting chamber and beverage making cavity are arranged side by side.Owing to the bottom surface of the second filter is higher than the inner bottom surface of collecting chamber, the difference in height between both contributes to flowing through filter in liquid and enters described collecting chamber.Although present embodiment describes the scheme that collecting chamber is arranged side by side with beverage making cavity, clearly, when collecting chamber is positioned at bottom beverage making cavity, liquid can flow readily through filter and enter described collecting chamber, and therefore collecting chamber can also be arranged on the downside of beverage making cavity in other embodiments.
In one embodiment, the thickness of described second filter is arranged between 0.1 millimeter to 10 millimeters.Second filter should not be too thin, otherwise easily damaged when cleaning.In order to make the second filter durable in use and have good filter effect, the thickness of the second filter is suitably arranged between 0.1 millimeter to 10 millimeters.Preferably, the thickness of the second filter is arranged between 0.1 millimeter to 5 millimeters, it is more preferred to, the thickness of the second filter is arranged between 0.1 millimeter to 3 millimeters.
In one embodiment, similar with the second filter, the thickness of described 3rd filter is arranged between 0.1 millimeter to 10 millimeters.Preferably, the thickness of the 3rd filter is arranged between 0.1 millimeter to 5 millimeters, it is more preferred to, the thickness of the 3rd filter is arranged between 0.1 millimeter to 3 millimeters.
In one embodiment, the coffee machine of described mill bean also includes guiding device, described guiding device includes the first flow-guiding channel, first end of the first flow-guiding channel connects with heater, described beverage making cavity is provided with the beverage making cavity through hole corresponding with the second end of the first flow-guiding channel, and the second end of described first flow-guiding channel inserts described beverage making cavity by described beverage making cavity through hole.Liquid after heating can be guided from heater and be used for infusing coffee to beverage making cavity by described guiding device.Expand after liquid heating in described heater and produce pressure, make this liquid enter the first flow-guiding channel and flow to first flow-guiding channel the second end from first flow-guiding channel the first end and enter beverage making cavity.Owing to liquid enters beverage making cavity either directly through the first flow-guiding channel, if the coffee machine of described mill bean has the first lid for covering described body openings, then the first lid need not fixing with the first flow-guiding channel as the coffee machine of traditional mill bean be connected, thus can not be kept completely separate with main body without causing the first lid to have at least one end to be fixed.
In another embodiment, described main body is provided with body openings, the coffee machine of described mill bean also includes guiding device and for covering the first lid of described body openings, described guiding device includes the first flow-guiding channel and second flow-guiding channel separably attached with the first flow-guiding channel, first end of the first flow-guiding channel connects with heater, described second flow-guiding channel is split type to be arranged on the first lid, described second flow-guiding channel has water inlet and outlet, described outlet is positioned at the position corresponding with described beverage making cavity opening to supply liquid to beverage making cavity.Owing to the first flow-guiding channel and the second flow-guiding channel are separable, therefore the first lid can separate with main body, conveniently the first lid is carried out.When the first flow-guiding channel and the second flow-guiding channel connect, the liquid after being heated by heater enters the first flow-guiding channel and then enters the second flow-guiding channel from water inlet, and flows out from outlet.Owing to outlet is positioned at the position corresponding with described beverage making cavity opening, the liquid flowed out from outlet flows to described beverage making cavity.
In further embodiment, described main body is provided with body openings, the coffee machine of described mill bean also includes guiding device and for covering the first lid of described body openings, described guiding device includes the first flow-guiding channel and second flow-guiding channel separably attached with the first flow-guiding channel, first end of the first flow-guiding channel connects with heater, second flow-guiding channel partly or entirely being formed by the first lid, described second flow-guiding channel has water inlet and outlet, described outlet is positioned at the position corresponding with described beverage making cavity opening to supply liquid to beverage making cavity.Owing to the first flow-guiding channel and the second flow-guiding channel are separable, therefore the first lid can separate with main body, conveniently the first lid is carried out.When the first flow-guiding channel and the second flow-guiding channel connect, the liquid after being heated by heater enters the first flow-guiding channel and then enters the second flow-guiding channel from water inlet, and flows out from outlet.Owing to outlet is positioned at the position corresponding with described beverage making cavity opening, the liquid flowed out from outlet flows to described beverage making cavity.
In a preferred embodiment, described first lid portion inside is provided with cavity, described cavity is provided with described water inlet and described outlet, described water inlet and described outlet are in fluid communication and are formed the second flow-guiding channel, described first flow-guiding channel the second end and the connection separably of described water inlet, described outlet is positioned at the position corresponding with described beverage making cavity opening to supply liquid to beverage making cavity, in this scheme, when the first flow-guiding channel and the second flow-guiding channel connect, the liquid flowed out from the first flow-guiding channel directly enters cavity from described water inlet and flows out from described outlet, finally enter described beverage making cavity.
More preferably, described first lid engages with main body separably, described first lid includes the first upper cover body and the first lower cover, described first upper cover body and the first lower cover engage and make the first upper cover body and the first lower cover form cavity, described water inlet and and described outlet be arranged at described first lower cover.
In another preferred embodiment, described first lid portion inside is provided with cavity, described second flow-guiding channel also includes the first pipe portion and the second pipe portion, described first pipe portion is provided with described water inlet, described second pipe portion is provided with described outlet, described water inlet and described outlet are in fluid communication and are formed the second flow-guiding channel with described cavity respectively, the connection separably of the water inlet in described first flow-guiding channel the second end and described first pipe portion, the outlet in described second pipe portion is positioned at the position corresponding with described beverage making cavity opening to supply liquid to beverage making cavity.In this scheme, when the first flow-guiding channel and the second flow-guiding channel connect, the liquid flowed out from the first flow-guiding channel sequentially enters the first pipe portion, cavity and the second pipe portion, finally enters described beverage making cavity from the second pipe portion.
In one embodiment, the coffee machine of mill bean also includes retention device, and described retention device is arranged on the position corresponding with first flow-guiding channel the second end, can deform when the first flow-guiding channel and the second flow-guiding channel separate, and barrier liquid ejection body openings.If in the process of the liquid heated to water conservancy diversion device provisioning at heater by the first flow-guiding channel and the second flow-guiding channel separately, the liquid heated can spray from first flow-guiding channel the second end to body exterior due to pressure, and this may result in security incident.In order to eliminate this potential safety hazard, it is necessary for arranging retention device.
In a preferred embodiment, described retention device is elastic parts, and described elastic parts the first end is resiliently arranged in the position corresponding with first flow-guiding channel the second end, and described elastic parts the second end can deform around described elastic parts the first end elastic rotation.Preferably, described elastic parts includes rotating baffle plate, and described baffle plate the first end is resiliently arranged in the position corresponding with first flow-guiding channel the second end, and described baffle plate the second end can deform around described baffle plate the first end elastic rotation.In this embodiment, baffle plate the first end may be configured as be connected rotating with main body, arranges spring between baffle plate and main body.When the first pipe portion of first flow-guiding channel the second end and the second flow-guiding channel connects, first pipe portion promotes baffle plate to make baffle plate the second end move to the second position (vertical position) from primary importance (horizontal level) around baffle plate the first end, when first flow-guiding channel the first end and the second flow-guiding channel the first tube portion from time, spring provides elastic force to make baffle plate the second end move to primary importance (horizontal level) from the second position (vertical position) around baffle plate the first end, in order to block the liquid flowed out from first flow-guiding channel the second end.
In another preferred embodiment, described retention device is elastic single-piece, is provided with at least one otch in the middle part of described elastic single-piece, and described elastic single-piece is squeezed to deform and described otch is opened.When first pipe portion is inserted described otch, the described elastic single-piece of described first pipe portion extruding makes otch open so that the first pipe portion is connected through described elastic single-piece with the first flow-guiding channel.When first flow-guiding channel the second end and the second flow-guiding channel the first tube portion from time, described first pipe portion detaches described otch, cut closure, therefore outside barrier liquid ejection main body.
Preferably, for making the described elastic single-piece of the easier traverse in the first pipe portion, being provided with the cross one another otch of at least two in the middle part of described elastic single-piece, described elastic single-piece is squeezed to deform and described otch is opened.
In another embodiment, described first flow-guiding channel the second end is inserted in the first pipe portion of the second flow-guiding channel, described first flow-guiding channel the second end has the top of closing, described first flow-guiding channel the second side wall is provided with sidewall outlet, is provided with gap so that liquid flows into the second flow-guiding channel from described sidewall outlet between described sidewall outlet and the first pipe portion.When first flow-guiding channel the second end and the first tube portion from time, liquid is blocked by the top of first flow-guiding channel the second end, can only spray from the outlet of sidewall, due to the outlet of sidewall and not towards body openings, therefore the first tube portion of the first flow-guiding channel and the second flow-guiding channel from time liquid will not spray outside main body.
Preferably, described body interior is provided with return flow line, and described return flow line makes at least part of liquid entrance return flow line being blocked device stop at the first flow-guiding channel and the second flow-guiding channel when separating flow to water tank with described water tank upper and described first flow-guiding channel connection respectively.
In one embodiment, coming off for avoiding the first lid to engage insecure with main body, described first lid and/or main body are provided with retaining element for the first lid is fixed on main body.Further, being additionally provided with the first filter for covering described beverage making cavity opening on the downside of described first lid or seepage is divided and spilt device, the first lid and the first filter or seepage divide to spill and are provided with the first filter or seepage described in when elastic component makes the first lid be fixed on main body between device and divide and spill formation opposing seal between device and beverage making cavity.When the first lid is fixed on main body, elastic component is compressed generation elastic force and makes the first filter or seepage divide and spill device and compress beverage making cavity and spill between device and beverage making cavity formation opposing seal to divide at described first filter or seepage, thus preventing coffee particles in beverage making cavity from dividing from the first filter or seepage with steam spill gap effusion between device and beverage making cavity.
Preferably, described first filter or seepage are divided and are spilt device and be provided with the first filter or seepage is divided and spilt device through hole, and described first filter or seepage are divided and spilt device through hole and be arranged at position corresponding to the outlet of described second flow-guiding channel so that liquid divides through described first filter or seepage and spills device through hole and flow into beverage making cavity in the second flow-guiding channel.
Preferably, described first lid is provided with one or more first row pore, and described first filter or seepage are divided and spilt device and be provided with one or more second row pore, and described first row pore connects with described second row pore.Liquid after heating enters beverage making cavity when infusing coffee, and can produce steam in beverage making cavity, and second row pore can aid in discharges beverage making cavity by described steam, described steam and then discharged outside main body by first row pore.
It is highly preferred that for prevent the coffee particles in beverage making cavity from overflowing from described second row pore with steam, described second row hole diameter is less than 1mm.
Another object of the present invention, is in that to provide the method for work of a kind of coffee machine grinding bean.
The method of work of the coffee machine of described mill bean, comprises the following steps: a. adds liquid to water tank, adds coffee particles to grinding defecator；B. coffee particles is ground by described grinding defecator；C. water tank carries liquid to heater, and described liquid is heated by heater, and the liquid that heater conveying has been heated is to grinding defecator, and described liquid is mixed to form coffee liquid with grinding coffee particles ground in defecator；D. described coffee liquid is filtered by described grinding defecator；E. the coffee liquid after filtration is discharged by described grinding defecator.
Further, step e includes opening fluid passage water valve, and coffee liquid flows out from fluid passage, closing liquid passage water valve, and coffee liquid stops flowing out from fluid passage.
Further, Step d farther includes the coffee liquid inflow collecting chamber of influent passage；Step e includes opening collecting chamber water valve, and coffee liquid flows out from collecting chamber, closes collecting chamber water valve, and coffee liquid stops flowing out from collecting chamber.
Further, Step d includes the 3rd filter described coffee liquid to described collecting chamber and is filtered.
The beneficial effects of the present invention is: second filter-portion of coffee machine of the mill bean of the present invention or be entirely located in bottom beverage making cavity to make the coffee liquid in beverage making cavity flow through the second filter coffee liquid before entering passage and make owing to gravity is easier to filter from by the second filter being positioned partially or entirely in bottom beverage making cavity.This contributes to coffee liquid and discharges and avoided coffee to remain in cavity.Additionally coffee liquid forms the liquid stream flowed to bottom beverage making cavity due to gravity in cavity so that is easier to discharge from the second filter bottom beverage making cavity, and contributes to being positioned at the coffee particles rapid solution of beverage making cavity to form the coffee liquid that concentration is higher.It addition, the coffee machine main body of the first lid of the coffee machine of the mill bean of the present invention and mill bean can be kept completely separate, therefore the convenient coffee machine to mill bean is carried out.Further, first filter of coffee machine of the mill bean of the present invention or seepage are divided and are spilt device and beverage making cavity energy fluid-tight engagement forms opposing seal, and therefore when the coffee maker using mill bean makes coffee, coffee particles will not be overflowed from brew chamber.
Embodiment 1
As shown in Fig. 1, Figure 14, Figure 15, Figure 16, including main body 1, grind defecator, water tank 2 and heater 3, described grinding defecator, water tank 2 and heater 3 are located in main body 1, it is characterised in that grind defecator and include: for holding the cavity 41 of liquid and coffee particles；Grinding assembly for ground coffee granule；It is connected and is used for driving the driving mechanism 43 of grinding assembly with grinding assembly；And the first filter entered for the hot water in filter cavity 41 or seepage divide and spill device 63, described cavity 41 is provided with cavity hatch, grinding assembly be placed in cavity 41 at least partially, described cavity 41 includes beverage making cavity 412, beverage making cavity 412 is provided with beverage making cavity opening 416, described beverage making cavity 412 bottom is provided with the fluid passage 411 connected with described beverage making cavity 412, first filter or seepage are divided and are spilt device 63 and be positioned partially or entirely in beverage making cavity 412 top, described fluid passage 411 is arranged in the second filter 44 bottom or sidepiece or bottom makes the coffee liquid of beverage making cavity 412 flow through the second filter 44 before entering fluid passage 411.
Described first filter or seepage are divided and are spilt device 63 and be arranged on below the first lid 6 or bottom；
Described first filter or seepage are divided and are spilt device 63 and the first lid 6 is wholely set, or the first filter or seepage are divided and are spilt device 63 and the first lid 6 split and arrange, or the first filter or seepage are divided and are spilt device 63 and be located by connecting with beverage making cavity 412, or the first filter or seepage are divided and spilt device 63 and the second filter 44 is located by connecting, or the first filter or seepage are divided and are spilt device 63 and the second filter 44 is wholely set that Open Side Down 6311；
The hot water of described heater 3 is divided by the first filter or seepage and spills after device 63 from top to bottom penetrates into that beverage making cavity 412 is internal coffee powder is brewed dissolving, then is flowed out to collecting chamber 413 by the second filter 44；
Described first filter or seepage are divided and are spilt device 63 top and arrange peripheral safe edge 6310, or, first filter or seepage are divided and are spilt device 63 and be combined into a safe edge 6310 with beverage making cavity 412 inwall, or, first filter or seepage are divided and are spilt device 63 and the first lid 6 is combined into a safe edge 6310, or, the first filter or seepage are divided and are spilt device 63 and the second filter 44 is combined into a safe edge 6310；Hot water is trapped into the first filter by safe edge 6310 or seepage divide the seepage place spilling device 63 to be downwardly into beverage making cavity 412 is internal coffee powder is brewed dissolving after, then flowed out to collecting chamber 413 by the second filter 44；
Described first filter or seepage are divided to spill and are converted unhurried current after the hot water impulsive force of heater 3 interval ejection is received by device 63 to and penetrate into that beverage making cavity 412 is internal brews dissolving to coffee powder.
Described first filter or seepage divide spill coffee powder when grinding assembly is pulverized coffee particles by device 63 or beverage making cavity 412 infuse coffee powder time coffee powder stop that to enter outlet 525 internal.
As shown in Figure 1 and Figure 4, in this embodiment, described cavity 41 be placed in main body 1 by body openings and with main body 1 clamping, cavity 41 includes beverage making cavity 412 and collecting chamber 413, the fluid passage 411 connected with beverage making cavity 412 and collecting chamber 413 it is provided with bottom beverage making cavity 412, beverage making cavity 412 top has beverage making cavity opening 416, it is necessary to the coffee bean of grinding can be put into beverage making cavity 412 from this beverage making cavity opening 416 and be ground.Described grinding assembly includes blade 421 and cutter shaft 422, and beverage making cavity 412 is provided with pilot hole for installing cutter shaft 422, and cutter shaft 422 one end is arranged on the inner bottom part of beverage making cavity 412 and fixing with blade 421 is connected.Described cutter shaft 422 other end stretches out beverage making cavity 412 from pilot hole and utilizes coupling assembly to be connected with motor 43.Cutter shaft 422 is positioned at pilot hole and is arranged with axle sleeve 423, seals with sealing ring 424 between axle sleeve 423 and pilot hole.As shown in Figures 2 and 3, the downside correspondence grinding assembly of beverage making cavity 412 is provided with coupling assembly, and coupling assembly is made up of upper coupling 431 and lower coupling 432.Cutter shaft 422 is connected with upper coupling 431, and lower coupling 432 is sheathed on the motor shaft of motor 43, and lower coupling 432 engages with upper coupling 431.When starting motor 43, motor drives cutter shaft 422 and blade 421 to rotate, and the coffee bean of beverage making cavity is ground so that it is ultimately become coffee powder.When infusing coffee in beverage making cavity 412, heater 3 can provide hot water, coffee powder and hot water to be mixed to form coffee liquid for beverage making cavity 412, and the concrete process brewed will be explained below.
Referring to Fig. 1 and Fig. 4, in the present embodiment, second filter 44 is the annular or the second sheet-shaped drainage screen 44 that adapt with beverage making cavity 412 bottom or sidepiece or bottom shape, this second drainage screen 44 around cutter shaft 422 and is laid on the inner bottom surface of the beverage making cavity 412 on the downside of blade 421 or on sidepiece face, and the second drainage screen 44 neighboring is provided with handle 441 to take out the second drainage screen 44 before cleaning the second drainage screen 44.As mentioned above, the fluid passage 411 connected with described beverage making cavity 412 it is provided with bottom beverage making cavity 412, therefore the coffee liquid in beverage making cavity 412 flows to fluid passage 411 due to gravity, and this makes the second drainage screen 44 that the coffee liquid physical ability in beverage making cavity 412 is easily located on the inner bottom surface of beverage making cavity 412 filter and influent passage 411.
In the present embodiment, referring to Fig. 1 to 4, Fig. 8, Figure 14 and Figure 15, as it has been described above, cavity 41 includes beverage making cavity 412 and collecting chamber 413.Described collecting chamber 413 is connected with beverage making cavity 412 by fluid passage 411, and the coffee liquid filtered by the second drainage screen 44 flows into collecting chamber 413 through fluid passage 411.Being provided with collecting chamber water valve 414 bottom described collecting chamber 413, described collecting chamber water valve 414 is for controlling the discharge of the coffee liquid of collecting chamber 413.In order to coffee liquid is filtered further, being provided with the 3rd filter 415 in described collecting chamber 413, the 3rd filter 415 is erect and is arranged and form the enclosure wall surrounding collecting chamber water valve 414 in collecting chamber 413, and the bottom of this enclosure wall has multiple filtering holes.With collecting chamber 413 inner bottom surface, the 3rd filter 415 is gripped bottom described first lid 6.Certainly, in other embodiments, cavity 41 can not include collecting chamber 413, and the coffee liquid in beverage making cavity 412 is discharged by the second direct fluid passage 411 of drainage screen 44.As needed in fluid passage 411 arranging fluid passage water valve to control the discharge of liquid.Select as one, it is also possible to the 3rd filter is arranged in fluid passage 411 and coffee liquid is filtered again.
Referring to Fig. 1, Fig. 2, Fig. 4, Fig. 6, Figure 14 and Figure 15, the coffee machine of described mill bean also includes described guiding device, described guiding device includes the first flow-guiding channel 51 and second flow-guiding channel 52 separably attached with the first flow-guiding channel 51 second end 512, first end 511 of the first flow-guiding channel 51 connects with heater 3, described second flow-guiding channel 52 there is water inlet 524 and outlet 525, outlet 525 is positioned at the position corresponding with beverage making cavity opening 416 to beverage making cavity 412 hot-water supply.Described first lid 6 is separable to be engaged with body openings, and described first lid 6 body includes the first upper cover body 61 and the first lower cover 62, the first upper cover body 61 and the first lower cover 62 snapping.Described cavity 523 is formed between first upper cover body 61 and first lower cover 62 of mutual snapping.First lower cover 62 downwardly extends and arranges the first pipe portion 521 and the second pipe portion 522, and the first pipe portion 521 connects with cavity 523 respectively with the second pipe portion 522.Water inlet 524 and outlet 525 lay respectively at the lower end in the first pipe portion 521 and the second pipe portion 522.When the first lid 6 covers main body 1 top, the first pipe portion 521 is inserted in the first flow-guiding channel 51 second end 512 and connects with the first flow-guiding channel 51.Heater 3 is positioned on the downside of water tank 2, and heater 3 one end connects with water tank 2, in order to water flows into heater 3 from water tank and adds and be thermally generated hot water, and heater 3 and water tank 2 junction are provided with check valve 31 to prevent the hot water of heater 3 from flowing back to water tank.First flow-guiding channel 51 first end 511 connects with the other end of heater 3, and the heater 3 of entrance forms pressure and promotes hot water to flow to the first flow-guiding channel 51 first end 511 when adding hot water.Hot water enters the second flow-guiding channel 52 along the first flow-guiding channel 51, namely namely enters the first pipe portion 521, cavity 523 and the second pipe portion 522 successively, finally enters in beverage making cavity 412 and be mixed to form coffee liquid with coffee powder.In the present embodiment, being dissolved in hot water to accelerate coffee powder, outlet 525 place in the second pipe portion 522 is provided with nozzle (not shown go out) so that liquid is injected into beverage making cavity 412 by rushing in nozzle.Owing to the cavity 523 in the first pipe portion 521 with the first lid 6 connects, when taking off the first lid 6 main body 1, the first lower end, pipe portion 521 detaches in the first flow-guiding channel 51.This operation may result in danger when guiding device carries hot water to beverage making cavity 412, because of the hot water carried by the first flow-guiding channel 51 owing to hydraulic pressure can be outer and cause that user is burned by directly spraying main body 1.
In order to prevent above-mentioned potential safety hazard, as shown in Figure 1, Figure 2, shown in Fig. 5, Figure 14 and Figure 15, the present embodiment also includes retention device for stopping that outside hot water ejection main body 1, this retention device is elastic parts, and this elastic parts includes baffle plate 71 and torsion spring 712.In order to make at least part of hot water being blocked device stop can be back in water tank 2, main body 1 is internal is provided with return flow line 21, and return flow line 21 connects with water tank 2 top and described first flow-guiding channel 51 respectively.Return flow line 21 is perpendicular to the first flow-guiding channel 51, and its one end joining water box 2 top, the other end is blind end.Return flow line 21 upper side wall is provided with the upper shed 211 connected with body openings, and its lower wall is provided with the under shed 212 connected with the first flow-guiding channel 51 second end 512.Described torsion spring 712 is fixed in return flow line 21, and baffle plate 71 first end is connected with torsion spring 712, and baffle plate 71 second end is the free end that can move around baffle plate 71 first end.Upper shed 211 is to having chimb 213, and described chimb 213 is slightly above baffle plate 71 first end.When the first lid 6 is not placed in body openings, described baffle plate 71 is supported chimb 213 under elastic force effect and is in primary importance and makes upper shed 211 be closed.When the first pipe portion 521 of the second flow-guiding channel 52 insert upper shed 211 connect with the first flow-guiding channel 51 time, the first pipe portion 512 promotes baffle plate 71 to make its first end mobile to the second position (vertical position) so that the first pipe portion 512 connects with the first flow-guiding channel 51 second end 512 from primary importance (horizontal level).When the first flow-guiding channel 51 second end 512 separates with the first pipe portion 521, torsion spring 712 provides elastic force to make baffle plate 71 second end move to primary importance (horizontal level) thus closing upper shed 211 around its first end, and therefore the hot water of the first flow-guiding channel 51 second end 512 ejection is blocked by baffle plate 71 and passes through return flow line 21 and is back to water tank 2.
As shown in Figure 6 and Figure 7, being additionally provided with the first filter for covering with beverage making cavity 412 on the downside of first lid 6 or seepage is divided and spilt device 63, the first lid 6 and the first filter or seepage divide to spill and are provided with the first filter or seepage described in when elastic component 633 makes the first lid 6 be fixed on main body 1 between device 63 and divide and spill formation opposing seal between device 63 and beverage making cavity 412.First filter or seepage are divided to spill and are provided with first filter corresponding with the second pipe portion 522 in the middle part of device 63 or seepage is divided and spilt device through hole 631, and the first filter or seepage are divided and spilt device 63 and divided by this first filter or seepage and spill device through hole 631 and be set in the second pipe portion 522.In the present embodiment, described second elastic component 633 is spring 633, and this spring 633 is set in the second pipe portion 522 and divides at the first filter or seepage and spills between bottom device 63 and the first lid 6.Described cavity hatch is projection leg 101 upwards, and described leg 101 stretches out body openings, and the first lid 6 sidepiece is provided with locking key 611 and snap close 621, and this leg 101 has the button bit 622 corresponding with snap close 621, and locking key 661 is used for driving snap close 621 and button bit 622 to fasten.During use, first lid 6 is placed in body openings, pressing locking key 611 makes snap close 621 indentation the first lid 6 internal, first lid 6 is pressed to main body 1 is internal, the space that leg 101 surrounds is stretched into bottom first lid 6, the contact internal walls of the first lower cover 62 lateral wall and leg 101, snap close 621 stretches into button bit 622 clamping, and therefore the first lid 6 is fixed in main body.It addition, during pressing the first lid 6, the first lid 6 promotes the first filter or seepage to divide by spring 633 and spills device 63 and make it abut beverage making cavity opening 416.First lid 6 is locked makes spring 633 be compressed in the first filter or seepage is divided and spilt between device 63 and the first lid 6 on the body 1.The spring 633 compressed provides elastic force to make the first filter or seepage divide the opening fluid-tight engagement spilling device 63 with beverage making cavity 412, therefore the first filter or seepage divide the opening formation opposing seal spilling device 63 with beverage making cavity 412, it is prevented that coffee particles is overflowed from the gap between the first filter or seepage divide the opening spilling device 63 and beverage making cavity 412 with the steam in beverage making cavity 412.
Referring to Fig. 1, Fig. 2, this first filter of Fig. 7, Figure 14 and Figure 15 or seepage are divided and are spilt device 63 and be provided with multiple second row pore 632 for discharging steam unnecessary in beverage making cavity 412 to avoid forming high pressure in beverage making cavity 412, in the present embodiment, the diameter of first row pore 632 is about 0.5mm, and what second row pore 632 was fine and closely woven be distributed in the first filter or seepage are divided to spill and made the first filter or seepage divide the part spilling device 63 to form network structure on device 63 to discharge from second row pore 632 preventing coffee powder from following.First lid 6 is provided with multiple first row pore 601.Being connected to exhaust passage between first row pore 601 and second row pore 632, the gas in beverage making cavity 412 is finally discharged from first row pore 601 through exhaust passage.
The method of work of the coffee machine of the mill bean of the present embodiment, comprises the following steps: a. adds water and and adds coffee bean to grinding in defecator to water tank 2；B. coffee bean is ground obtaining coffee powder by described grinding defecator；C. water tank 2 carries water to heater 3, and water is heated generating hot water by heater 3, and heater 3 is by described guiding device conveying hot water to grinding defecator, and hot water is mixed to form coffee liquid with the coffee powder ground in defecator；D. coffee liquid is filtered by described grinding defecator；E. the coffee liquid after filtration is discharged by described grinding defecator.
In this embodiment, step b includes starting motor 43, and motor 43 drives cutter shaft 422 and blade 421 to rotate, and coffee bean is ground by blade 421；Step a includes coffee bean and is injected towards beverage making cavity 412；Step b includes starting motor 43, and motor 43 is driven through cutter shaft 422 and drives blade 421 to rotate, and coffee bean is ground obtaining coffee powder by blade 421；Step c includes hot water and mixes with the coffee powder in beverage making cavity 412, and coffee powder is dissolved in hot water and forms coffee liquid；Step d includes the second filter 44 and coffee liquid is filtered, filtered coffee liquid influent passage 411.
In this embodiment, Step d farther includes the coffee liquid inflow collecting chamber 413 of influent passage 411；Step e includes opening collecting chamber water valve 414, and coffee liquid flows out from collecting chamber 413, closes collecting chamber water valve 414, and coffee liquid stops flowing out from collecting chamber 413.
In this embodiment, Step d farther includes the 3rd filter 415 coffee liquid to described collecting chamber 413 and is filtered.