CN1213685C - Glass-type vendor - Google Patents

Abstract

The present invention relates to a cup type automatic vending machine. After a coffee beverage is taken, liquid components do not stay in a distribution tube. After the coffee beverage is extracted, a piston (39) descends by driving a piston driving motor (33). As a result, liquid components staying in the distribution tube (6A) and a beverage supply tube (30A) are absorbed into a cylinder body (32).

Description

Cup type automatic vendor

Technical field

The present invention relates to cup type automatic vendor, particularly, lean against the boiling water of supplying with under the pressure of regulation extracts coffee component from the broken beans of coffee bean cup type automatic vendor.

Background technology

As the cup type automatic vendor of prior art, the broken beans of coffee bean that handlebar is ground into the granularity of regulation supply to extractor, the boiling water of the high temperature of the regulation that pumps up are supplied to extractor and the person that under high pressure extracts the coffee beverage.

If adopt this cup type automatic vendor, then the selling goods of selected coffee beverages such as selector button operation based on the buyer requires to send to extractor the broken beans of ormal weight.After the dispensing, being stored in pressure feed that the boiling water in the boiled water tank is pressurized to regulation, supply to extractor, extract broken beans whereby and produce coffee beverage via pipe arrangement to boiling device with pump.The coffee beverage that is extracted supplies to goblet, sells goods after mixing according to hobby and granulated sugar, milk wet goods auxiliary material.

, if adopt the cup type automatic vendor of prior art, then liquid component is trapped in the pipe arrangement that is connected in boiled water tank and extractor or the coffee beverage that is extracted is passed out in the pipelines such as pipe arrangement of goblet side after coffee beverage extracts., boiling water exists the danger that the extraction degree of broken beans changes if being trapped in the pipe arrangement that is connected in boiled water tank and extractor, in addition, coffee beverage adverse current and sneaking in the boiling water in pipe arrangement after extraction sometimes, the oil content that is contained in the coffee beverage can pollute in the pipe arrangement.These are for also being coffee beverage same from extractor is sent to the pipe arrangement of goblet side.

Thereby, the object of the present invention is to provide a kind of coffee beverage to extract the back liquid component and be not trapped in the interior cup type automatic vendor of pipe arrangement.

Summary of the invention

To achieve these goals, the invention provides a kind of cup type automatic vendor, the broken beans of the coffee bean of the granularity that is ground into regulation are supplied to extractor, the boiling water of the temperature of regulation is supplied to aforementioned extractor from boiled water tank via pipe arrangement extract coffee beverage, it is characterized in that: have mobile mechanism, this mobile mechanism extracts negative pressure that the back takes place by the driving based on aforementioned extractor at aforementioned coffee beverage the aforementioned coffee beverage that is trapped in the aforementioned boiling water in the aforementioned pipe arrangement and send from aforementioned extractor in the pipeline of aforementioned coffee beverage is attracted in the extraction residue of the broken beans that extracted aforementioned coffee beverage aforementioned extractor.

If adopt above-mentioned cup type automatic vendor, then the negative pressure that takes place based on the driving of extractor in coffee beverage extraction back is attracted to the coffee beverage in the pipeline in the extraction residue of the broken beans that extracted coffee beverage, therefore after coffee beverage extracts, liquid component is not remained in the pipe arrangement.

Description of drawings

Fig. 1 (a) is the key diagram of the cup type automatic vendor of expression embodiments of the invention, (b) is the key diagram that is contained in the pump on the cup type automatic vendor.

Fig. 2 (a) is the overall pattern of the meter of embodiments of the invention, (b) is the key diagram of the front face of meter.

Fig. 3 (a) is the overall pattern of the meter of embodiments of the invention, (b) is the key diagram of the front face of meter.

Fig. 4 (a) is the vertical view of the meter of embodiments of the invention.

Fig. 5 (a) is the biopsy cavity marker devices front view of the extractor of embodiments of the invention, (b) is the rearview of extractor according to an embodiment of the invention.

Fig. 6 (a) is the side view of the moment transfer part of embodiments of the invention, (b) is the biopsy cavity marker devices front view of the moment transfer part of embodiments of the invention, (c) is another side view of the moment transfer part of embodiments of the invention.

Fig. 7 is the key diagram of the extractor of embodiments of the invention.

Fig. 8 (a) is the key diagram of current detection circuit of expression embodiments of the invention, (b) is the key diagram of relation of the current value of expression compressive load and motor.

Fig. 9 is the key diagram of the energising characteristic of expression piston-driven motor.

Figure 10 is the controlling party block diagram of the cup type automatic vendor of embodiments of the invention.

Figure 11 from (a) to (h) is the key diagram of action of the extractor of expression embodiments of the invention.

Figure 12 is the time layout of the cup type automatic vendor of embodiments of the invention.

Figure 13 (a) is the key diagram that the another kind formation of the liquid removal in the pipe arrangement is carried out in expression, (b) is the key diagram that express liquid is removed action.

The specific embodiment

Below, explain cup type automatic vendor of the present invention with reference to accompanying drawing.

Fig. 1 (a) illustrates the cup type automatic vendor in the embodiments of the invention, comprise: the cistern 2 that is connected in intake pipe 1, be located at the SEA LEVEL VARIATION of the drinking water that detection is stored on the cistern 2, when the water level that becomes regulation is following, send the switch 2A that water level reduces signal, be located at the water intake valve 1A on the intake pipe 1, drinking water that heating is supplied with via pipe arrangement 3A from cistern 2 and the boiled water tank 10 that stores as the boiling water of set point of temperature, be located at the magnetic valve 20 on the pipe arrangement 3A, be fixed in the peripheral part of boiled water tank 10 and the pump 60 of forced feed boiling water, be connected in the bypass pipe 60A of pump 60 and boiled water tank 10, by opening the valve 60B that bypass pipe 60A sends the boiling water in the pump 60 back to boiled water tank 10, the granularity that coffee bean powder is broken into regulation forms the broken beans supply unit 7 of broken beans, receive and the meter 5 of the broken beans that metering falls from broken beans supply unit 7, extract the broken beans of the designated size of being supplied with from meter 5 and generate coffee beverage with boiling water, supply to the extractor 30 of goblet 9 via beverage supplying pipe 30A, boiling water is supplied to the pipe arrangement 6A of extractor 30 from pump 60, be located at the pressure sensor 25 of the corresponding pressure signal of pressure in last output of pipe arrangement 6A and the pipe arrangement, be located at the flow sensor 19 of the corresponding flow signal of flow of last output of pipe arrangement 6A and boiling water, be located at the check valve 21 that prevents boiling water side refluence upstream on the pipe arrangement 6A, be connected to the pipe arrangement 6B of boiled water tank 10 from pipe arrangement 6A fork at the upstream side of check valve 21, be located at the extraction heat water valve 22 on the pipe arrangement 6B, be received in the foots tank 17 of the extraction residue of the coffee bean that produces in the extractor 30, be configured in the draining bucket 18 of the bottom of goblet 9, store the sugar basin 11 of granulated sugar, accommodate the butter container 12A of cream raw material, accommodate the butter container 12B of the cream raw material that espresso uses, accommodate granulated sugar and cream via rushing down groove 13, in the boiling water of ormal weight, dissolve, supply to the mixing bowl 14 of goblet 9 via supply pipe 14A, boiling water is supplied to the pipe arrangement 15A of the mixing bowl 14 of the bottom that is configured in butter container from boiled water tank 10, be located at the heat water valve 23A on the pipe arrangement 15A, boiling water is supplied to the pipe arrangement 15B of the mixing bowl 14 of the bottom that is configured in sugar basin 11 from boiled water tank 10, be located at the heat water valve 23B on the pipe arrangement 15B, and, waste liquid is discharged to the pipe arrangement 6C of draining bucket 18 via heat water valve 24 at the downstream of check valve 21 and pipe arrangement 6A fork.

Broken beans supply unit 7 comprises: the coffee bean reservoir vessel 7A that stores coffee bean, pulverize the electric coffee grinder 7B of coffee bean in order to the pulverizing sword (not shown) of rotation at a high speed, make the mill motor 7C of the pulverizing sword rotation of electric coffee grinder 7B, and the broken beans of having been pulverized and by volume having been measured by electric coffee grinder 7B are rushed down groove 7D by what extractor 30 was supplied with and be directed to meter 5.Boiled water tank 10 comprises: the power supply unit 10A of electric current supply to the heater H 1 of drinking water heating usefulness, detect jar SEA LEVEL VARIATION of interior boiling water, the output water level reduces the switch 10B of signal when the water level that becomes regulation is following, and the boiling water temperature sensor 10D of output and jar interior corresponding temperature detection signal of boiling water temperature.The pondage of boiled water tank 10 is 5 liters, and the boiling water temperature of boiled water tank 10 approximately is incubated in 97 ℃ when the power of heater H 1 is 1kW.Check valve 21 is housed in the spheroid of being made by metal material and the spring of loading for this spheroid along the direction of regulation in the valve body and forms.In the present embodiment, being taken as along direction to the flow direction of the boiling water of extractor 30 from boiled water tank 10, spheroid by spring towards party upstream to loading.

Extractor 30 comprises: supplying with the cylinder body 32 of broken beans via rushing down groove 7D to it, make the piston-driven motor 33 of piston 39 liftings in the cylinder body 32, the driving moment of piston-driven motor is delivered to the moment transfer part 34 of piston 39, be located at the top of cylinder body 32 and be formed at the cylinder unit D that the unillustrated guide slide (hereinafter addressing) that is matched with guide rail of extractor main body integrally forms, be matched with cylinder body 32, the boiling water of the high temperature of regulation is supplied to cylinder cap 37 in the cylinder body 32 via pipe arrangement 6A, and transmit the driving moment of cylinder cap motor 35 and to make cylinder unit D be centroclinal with fulcrum 34A and make cylinder cap 37 be matched with the gear 36 of cylinder body 32.Bottom at the cylinder body 32 of cylinder unit D is installed with the beverage supplying pipe 30A that the coffee beverage that is extracted is supplied to goblet 9.

In addition, in the cup type automatic vendor of above-mentioned formation, in order to describe simply, to supplying with the goblet supply unit of goblet 9, the power supply unit of electric current supply to pump 60, the power supply unit of electric current supply to mill motor 7C, the mixer of the beverage in the stirring drink cup 9, the formation of the pipe arrangement of cold drink and raw material storage portion etc. has been omitted diagram.

Fig. 1 (b) illustrates pump 60, along the direction of arrow rotation boiling water is supplied to the downstream from boiled water tank 10 by a pair of gear 60D, 60E.This a pair of gear 60D, 60E are by being rotated driving rotating shaft 60C or 60F by with the corresponding quantity delivered of rotating speed boiling water being sent to pipe arrangement 6A by unillustrated motor.

Fig. 2 illustrates meter 5, (a) is overall pattern, (b) is the front face that protecgulum 5B is being set.This meter 5 comprises: the measuring room 51 of the introduction part 5A that imports broken beans is arranged at top, protecgulum 5B rotated the hinge portion 52 on the end be bearing in measuring room 51 freely, integrally form with the piston 56D of the inside that can be housed in measuring room 51 slidably, the piston rod 56 that tooth-strip part 56A is arranged in the side, the 56B of spring portion that forms in the rear end of piston rod 56, near the breach 56C that the 56B of spring portion, forms, be installed on measuring room 51, be contacted with the jut 50A that moves of 56B of spring portion and limited piston bar 56,50B, come the optical sensor 57 of the breach 56C of the 56B of detection springs portion with optical means, the driving shaft 58 that the driven wheel 58A that is meshed with the tooth-strip part 56A of piston rod 56 is arranged, and the metering motor 59A that rotates driving driving shaft 58 via moment transfer part 59, the turning cylinder of hinge portion 52 vertically is set, form that protecgulum 5B along continuous straight runs rotates and the forefront of opening measuring room 51, hinge portion 52 is located at the peristome top of protecgulum 5B so that broken beans are non-cohesive.The lid supporting member 5C that forms via a hinge portion 52 anti-ヘ font ground from then on is protecgulum 5B fixedly.The open end of lid supporting member 5C reaches the sidepiece of measuring room 51, and the optical detection part 5E that matches with the optical sensor 5D of the sidepiece that is located at measuring room 51 is arranged endways.The diameter of driven wheel 58A forms by 17.5mm, and the outer perimeter of the gear parts that is meshed with tooth-strip part 56A is approximately 55mm.In addition, on the rotating shaft of metering motor 59A, be provided with the metering encoder 59B that detects rotation amount.

Fig. 3 illustrates the state of the protecgulum 5B that opens meter 9, (a) is overall pattern, (b) is the front face that protecgulum 5B is being set.Broken beans supply to measuring room 51 from introduction part 5A, if broken beans have been filled measuring room 51, then protecgulum 5B rotates minutely.If detect this rotation by the optical sensor 5D that illuminating part 5a and light accepting part 5b are arranged, then make mill motor 7C stop and stopping of the supply of broken beans to measuring room 51, stop the back by energising makes driven wheel 58A rotation to metering motor 59A, piston rod 56 is forwards moved.On the front end that is integrally formed in the piston 56D on the piston rod 56, be provided with the jut 56a that is contacted with protecgulum 5B.

Fig. 4 illustrates the piston rod 56 of the state that has omitted diagram measuring room 51, protecgulum 5B moves towards the place ahead by piston rod 56 under the jut 56a of piston 56D state of contact, and overcoming with hinge portion 52 serves as that the counter-force of the spring 55A that is provided with coaxially of axle is rotated along the counter clockwise direction on the paper.At this moment, the fore-end of protecgulum 5B and measuring room 51 no longer is clipped between protecgulum 5B and the measuring room 51 from, broken beans but easily falls.

Fig. 5 illustrates cylinder unit D, and face side (a) is shown, and rear side (b) is shown.Cylinder cap 37 has the containment member 37A of seal clearance when inserting cylinder body 32, and rod 38 combines with gear 36.In addition, on the fixed part of bar 38, fixing the guide plate 31 of the gathering sill g that has formed guiding figure, the engagement protrusion 32A that on the bottom of gathering sill g is cooperating sidewall outside at cylinder body 32, is forming with regulation.Connecting on the bottom of the piston 39 in being contained in cylinder body 32 coffee beverage that is extracted is being supplied to the beverage supplying pipe 30A that goblet is used.Be provided with extraction residue (not shown) above shifting onto on making by piston 39 on the lower sides that rushes down groove 7D from the scraper plate W that piston 39 separates, the extraction residue that separated by scraper plate W is fallen along the rake S of guide slide 40.

If via gear 35A transmit cylinder cap motor 35 driving moment and along r1 direction driven wheel 36, then this cylinder unit D is that the center tilts about 30 ° along the r2 direction based on the guiding figure of gathering sill g with fulcrum 34A, and cylinder cap 37 inserts in the cylinder body 32 along the displacement of r3 direction simultaneously.

Fig. 6 illustrates moment transfer part 34, and left surface (a) is shown, and the front (b) is shown, and right flank (c) is shown.The driving moment of piston-driven motor 33 is delivered to gear 342A from the gear 341 on the rotating shaft that is installed in piston-driven motor 33, be delivered to the gear 342B that is provided with the coaxial shape of gear 342A ground, be delivered to the gear 344A that is located on the axle 343 from gear 342B.In the bottom of axle 343 worm screw 344B is set, the driving moment of being transmitted from gear 344A from worm screw 344B be delivered to be installed in along with the axle 345 of the direction configuration of axle 343 quadratures on worm gear 345A, be delivered to gear 345B with the setting of the coaxial shape of worm gear 345A ground.The driving moment of being transmitted from gear 345B is delivered to the gear 346A that is installed on the axle 346, be delivered to the gear 346B that is provided with the coaxial shape of gear 346A ground, and be delivered to the gear 347A that is meshed with gear 346A, be delivered to the gear 347B that is provided with the coaxial shape of gear 347A ground.Tooth-strip part 348 is installed on the bottom of piston 39, is being meshed gear 346B and 347B on the two sides of tooth-strip part 348.If transmit the corresponding driving moment of direction of rotation with piston-driven motor 33, then these gears 346B and 347B with the state of clamping tooth-strip part 348 along opposite direction rotation, make whereby piston 39 in cylinder body 32 about.

The worm screw 344B that is located on the axle 343 prevents when piston 39 1 sides are under pressure that in the leaching process of coffee beverage piston 39 from descending.

Piston 39 comprises the piston head 39A of the compressive resistance with regulation, be anchored on piston head 39A by screw 39C, be fixed in the piston seat 39B of tooth-strip part 348, be installed on piston head 39A and in cylinder body 32, send coffee beverage, the unloading part 39D that beverage supplying pipe 30A (not shown) is connected, be installed in the O shape circle 39E of the peripheral part of piston head 39A, and forming and be installed in the filter 39F on the top of piston head 39A by the metal sheet of corrosion resistance, piston head 39A and piston seat 39B are not tightened under pressure acts on the state of piston head 39A has predetermined gap.

Fig. 7 illustrates the state that cylinder unit D tilts, and drive cylinder cap motor 35 and make gear 36 rotations, be that the center cylinder cap 37 that tilts in the counterclockwise direction simultaneously descends and inserts cylinder body 32 with fulcrum 34A whereby.Though do not draw in the figure, before inclination, the broken beans of the ormal weight that has measured in advance in cylinder body 32, have been supplied with via rushing down groove 7D.

Fig. 8 illustrates the current detection circuit that detects the electric current that supplies to piston-driven motor 33, (a) circuit diagram is shown, and current value that is detected and the relation that is added in the compressive load on the piston 39 (b) are shown.The motor drive circuit 70 of the rotation of control piston drive motor 33 is connected on the power line (DC24V) 71, and terminal A, the B of input from the power on signal of master control part (hereinafter addressing) arranged.Piston-driven motor 33 is fixed in earthing potential and is connected in current detection circuit 74 via A/D converter 73 via detecting resistance 72.The power on signal that is input to the signal terminal A of motor drive circuit 70 be power on signal that H is input to signal terminal B when being L piston-driven motor 33 along positive veer rotation, the power on signal that is input to signal terminal A be power on signal that L is input to signal terminal B when being H piston-driven motor 33 rotate along reverse direction, piston-driven motor 33 stopped when the power on signal that is input to signal terminal A and B was L, was braked on the piston-driven motor 33 when the power on signal that is input to signal terminal A and B is H.If make and be added in piston 39 and be subjected to load and increase, then as be energized to the electric current increase of piston-driven motor 33 (b) by compressing broken beans.

In the extractor 30 of present embodiment, the compressive load that is added on the piston 39 when detecting the electric current of 0.5A by current detection circuit 74 is 12.5kgf, and the compressive load that is added on the piston 39 when detecting the electric current of 2A is 50kgf.In general, the speed step-down that passes through of boiling water extracts dense coffee beverage if the decrement of broken beans is big, and the speed of passing through of boiling water uprises and extracts light coffee beverage if decrement is little.Based on the energising that this relation of current value and compressive load is come control piston drive motor 33, set decrement whereby with the corresponding broken beans of coffee beverage of being sold goods.

Fig. 9 illustrates the energising characteristic of piston-driven motor 33, and the current value of motor from halted state to the energising initial stage that begins to rotate increases, and rotation after-current value reduces and demonstrates and the corresponding current value of load.It is different that the electric current of this motor increases each motor of characteristic, hinders and be added in the detection that the corresponding electric current of load on the piston 39 changes.For example, beginning to switch at moment t1 in when compacting begins the current value of side after second through Δ t, and the electric current of avoiding the initial stage of switching on whereby increases characteristic.In the present embodiment Δ t is taken as 0.1 second, about briquetting, suck boiling water, on push away residue etc. and also carry out same mensuration each conduction time.In addition, cause that the energising amount increases because be installed in the resistance to sliding of O shape circle 39E and cylinder body 32 on the piston 39, so current detection circuit 74 outputs to master control part 100 to the current value of having deducted resistance to sliding current value partly.

Figure 10 illustrates the controlling party block diagram of cup type automatic vendor, comprise based on the control part 101 of selling goods, flowmeter 19, pressure sensor 25, the switch 2A of cistern 2, the switch 10B of boiled water tank 10, be located at the optical sensor 36B of the top dead-centre of the detection cylinder cap 37 on the extractor 30, detect the optical sensor 36C of bottom dead centre, detect the optical sensor 36D of the discarded position of residue, be located at the optical sensor 39G of the top dead-centre of the detection piston 39 on the extractor 30, detect the optical sensor 39H of bottom dead centre, the optical sensor 5D of the rotation of the protecgulum 5B of detection meter 5, the metering encoder 59B of meter 5, the master control part 100 of each one is controlled in the output of the optical sensor 57 of meter 5, the memory 102 of the control data of each one of storage cup type automatic vendor is counted and the timer 103 of Measuring Time the clock pulses that takes place in reference clock pulse generation portion (not shown).Optical sensor 36B, 36C and 36D for example are provided in a side of on the gear 36 that is driven by motor 35, block the transmission-type optical sensor of a pair of light accepting part of having of light path and illuminating part by the disk that forms the narrow slit that the light transmission uses, being set as becomes light (' leading to ') state that is subjected to when cylinder cap 37 is positioned at the discarded position of top dead-centre, bottom dead centre and residue. Optical sensor 39G, 39H for example are the transmission-type optical sensors that is blocked a pair of light accepting part of having of light path and illuminating part on tooth-strip part 348 by the light shielding part that forms, and detect the position of piston 39 according to the output pattern that is subjected to light/shading of optical sensor 39G, 39H based on the lifting action of tooth-strip part 348.

The extraction action of extractor 30 is shown briefly from Figure 11 (a) to (h).

Figure 11 (a) illustrates the supply process of broken beans, and cylinder unit D is upright, and the broken beans P that is supplied with from meter 5 supplied to cylinder body 32 via rushing down groove 7D.

Figure 11 (b) illustrates the 1st state that extracts set-up procedure, and broken beans are energized to cylinder cap motor 35 and driven wheel 36 once supplying to cylinder body 32, and making cylinder unit D is that rotate in the counterclockwise direction at the center with fulcrum 34A.

Figure 11 (c) illustrates the 2nd state that extracts set-up procedure, with the inclination of cylinder unit D cylinder cap 37 is descended and inserts cylinder body 32, stops the driving of cylinder cap motor 35.At this moment, gear 36 stops at from the state shown in (a) and turns over 180 ° position.

Figure 11 (d) illustrates the 1st state of leaching process, and cylinder cap 37 makes piston 39 rise along the direction of arrow once inserting cylinder body 32 piston-driven motors, 33 energisings, whereby compression (compacting) broken beans.Along with the load that is added on the piston 39 of the compression of broken beans strengthens, the current value of piston-driven motor 33 increases whereby.Detect the increase of this current value by current detection circuit 74, when detecting the predetermined electric current value,, stop energising then piston 39 is stopped, making broken beans become the compressive state of wanting whereby piston-driven motor 33 brakings.The compression back supplies to boiling water the inside of cylinder body 32 via pipe arrangement 6A.Pressure moves along the pressure action direction once being added to piston 39 upper piston head 39A when extracting the compression of residue, be located at and piston seat 39B between O shape circle 39E one move and strain and be crimped on piston 39 and cylinder body 32 based on this, keep the air-tightness of cylinder body 32 whereby.The boiling water dissolving coffee component when by broken beans that supplies in the cylinder body 32 becomes coffee extract solution, injects goblet 9 (not shown)s via beverage supplying pipe 30A.

Figure 11 (e) illustrates the 2nd state of leaching process, opening heat water valve 24 becomes after the atmospheric pressure pipe arrangement 6A, driven plunger drive motor 33 rises piston 39 and compresses the extraction residue (briquetting) that contains coffee extract solution in cylinder body 32, the coffee beverage of extruding is sent into beverage supplying pipe 30A.

Figure 11 (f) illustrates air is attracted to attraction process in the cylinder body 32, reverses driven plunger drive motor 33 piston 39 is descended.Down maneuver by this piston 39 is attracted to the coffee extract solution that is trapped among the pipe arrangement 30A in the cylinder body 32.At this moment, become negative pressure in the cylinder body 32, the boiling water that is trapped in whereby among the pipe arrangement 6A also is attracted.

Figure 11 (g) illustrates the discarded set-up procedure of extracting residue, drives cylinder cap motor 35 and makes gear 36 rotate 90 ° from the state shown in (c), and cylinder cap 37 separates from cylinder body 32 whereby.After the separation, piston 39 is risen, push away remaining in the extraction residue in the cylinder body 32 and stop on whereby.

Figure 11 (h) illustrates the discarded process of extracting residue A, drives cylinder cap motor 35 and makes gear 36 rotate 90 ° again, and cylinder unit D rotates along the direction of arrow whereby, stops under erectility.One peel off and fall as shown by arrows by the scraper plate W that is located on the lower sides that rushes down groove 7D by the extraction residue that has pushed away on the piston 39 when rotating at this, enter in the foots tank (not shown).

Figure 12 illustrate cup type automatic vendor sell goods the action in time layout.In the figure, the top dead-centre, bottom dead centre, the residue that detect cylinder cap 37 are discarded optical sensor 36B, 36C, the 36D of position, and detect piston 39 top dead-centre, bottom dead centre the position optical sensor 39G, 39H output be subjected to the light time be ' leading to ' (H), during with shading be ' breaking ' (L).

Buyer one inserts coin, and control signal just outputs to master control part 100 and extracts heat water valve 22 and open from the control part 101 of selling goods, and pump 60 is passed out to pipe arrangement 6A to a spot of boiling water with driven at low speed.At this moment, pump 60 by with driven at low speed so that send the boiling water of the force feed amount that can not push the check valve 21 that is located on the pipe arrangement 6A open.Whereby the boiling water that is trapped in the pipe arrangement 6A is sent to pipe arrangement 6B and turns back to boiled water tank 10, and heat pipe arrangement 6A by the boiling water of about 90～95 ℃ high temperature of being supplied with from boiled water tank 10.The heating of pipe arrangement 6A is closed behind the certain hour and is extracted heat water valve 22 once finishing to stop driving pump 60.The reason that the time of extracting heat water valve 22 is closed in postponement to be when stopping in order preventing if with pump or to close before stopping pump 60 and extract heat water valve 22 then pressure in the pipe arrangement 6A rises, push check valve 21 open and boiling water supplies to extractor 30, absorbed by the broken beans in the cylinder body 32.

Except coming with low speed the driving pump 60, also can be for example pipeline be formed the pipe arrangement resistance that contains the pipe arrangement 6B that the extracts heat water valve 22 pipe arrangement resistance less than pipe arrangement 6A, when the driving of pump 60 begins, open and extract heat water valve 22.

Here, after the driving of pump 60 stops, pressing the occasion of the selector button of coffee beverage buyer during closing extraction heat water valve 22, the signal of selling goods outputs to master control part 100 from the control part 101 of selling goods.Master control part 100 is closed extraction heat water valve 22 and is carried out the action of selling goods based on the input of the signal of selling goods.

In addition, after extraction heat water valve 22 is closed, if the buyer presses the selector button that adds granulated sugar and coffee with cream beverage, the signal of then selling goods outputs to master control part 100 from the control part 101 of selling goods, and master control part 100 outputs to power on signal the power supply unit of metering motor 59A.Make metering motor 59A rotation based on this power on signal, the broken beans that are contained in measuring room 51 are released by piston 56D and are supplied to the cylinder body 32 of extractor 30 via rushing down groove 7D.Piston 56D with the forefront be reference position (metering initial point) retreat with in order to measure employed broken beans when selling goods next time with the corresponding amount of movement of volume (volume).From the pulse that metering encoder 59B is exported, set by the rotation that stops to measure motor 59A when becoming the count value of regulation by counting for this amount of movement.

After broken beans are supplied with, drive cylinder cap motor 35 and make the cylinder unit D of extractor 30 tilt to extracting position.Cylinder cap 37 tilting action therewith synchronously inserts cylinder body 32, and optical sensor 36C becomes ' leading to '.Master control part 100 outputs to motor drive circuit 70 to power on signal based on ' leading to ' signal of optical sensor 36C, by driven plunger drive motor 33 piston 39 is risen, and compacting is contained in the broken beans in the cylinder body 32.The current value of the piston-driven motor 33 when detecting this compacting by current detection circuit 74 is braked piston-driven motor 33 when the corresponding current value of coffee beverage that detects and sell goods, and stops energising then.

In addition, broken beans supply unit 7 usefulness electric coffee grinder 7B pulverize the coffee bean of being supplied with from beans storage container 7A, and the broken beans that use when next time selling goods supply to meter 5.

Broken beans are opened the heat water valve 23A of the pipe arrangement 15A that is connected to boiled water tank 10 after compacting, boiling water is supplied to mixing bowl 14, and the granulated sugar of being supplied with from sugar basin 11 is dissolved in the boiling water.Equally, open the heat water valve 23B of pipe arrangement 15B, boiling water is supplied to mixing bowl 14, the cream raw material of being supplied with from butter container 12A is dissolved in the boiling water.

Next, driving pump 60 and supply to cylinder body 32 at following boiling water that is heated to about 90～95 ℃ high temperature of 6～8 pressure by air pressure.The boiling water of this high temperature dissolving coffee component when by broken beans becomes coffee beverage, and 30A supplies to goblet 9 via the beverage supplying pipe.Flowmeter 19 outputs to master control part 100 with the corresponding flow signal of minable water yield through pipe arrangement 6A institute force feed during the extraction of coffee beverage.In goblet 9, supply with from the mixing bowl 14 of granulated sugar feed system and supply with the boiling water that has dissolved granulated sugar, and then supply with the boiling water that has dissolved cream from the mixing bowl 14 of milk oil system and mix with the coffee beverage that is extracted.

The extraction one of coffee beverage finishes, and just stops the driving of pump 60, and through opening heat water valve 24 behind the official hour (0.5 second), driven plunger drive motor 33 further rises piston 39.Based on the vertical motion of this piston 39 extracting the residue briquetting and extruding after the coffee beverage, close heat water valve 24, reverse driven plunger drive motor 33 piston 39 is descended, whereby the coffee extract solution among the pipe arrangement 30A that is trapped in check valve 21 downstreams is attracted in the cylinder body 32.The boiling water that is attracted is extracted residue and absorbs.

Extract the discarded of residue, make cylinder cap 37 from cylinder body 32 after separatings at driving cylinder cap motor 35, just changeing driven plunger drive motor 33 rises piston 39, make it to expose shifting the top onto on the extraction residue whereby, under this state, drive cylinder cap motor 35 cylinder unit D is rotated to stand up position from the top, top of cylinder body 32.By this rotation, the extraction residue is contacted with the scraper plate W that is located on the lower sides that rushes down groove 7D and scrapes from cylinder unit D.After extracting the residue removal, reverse driven plunger drive motor 33 piston 39 is descended, finish to sell goods action whereby, become the wait state of selling goods.

Liquid in the above-mentioned pipe arrangement is removed and also can be carried out when wait is sold goods as required.For example, drive cylinder cap motor 35 cylinder unit D is tilted, under the state that cylinder cap 37 is inserted cylinder body 32, stop.Then open heat water valve 24 and piston 39 is risen by driven plunger drive motor 33.Air is sent into pipe arrangement 6C and liquid component the pipe arrangement is discharged to draining bucket 18 from pipe arrangement 6A whereby.Here, so can send into pipe arrangement 6C to the air that is compressed from pipe arrangement 6A by opening heat water valve 24 because piston 39 begins to rise.In addition, the rising of piston 39 makes air also send into beverage supplying pipe 30A and the coffee beverage that is trapped in the pipe arrangement flows to the downstream.

In addition, make cylinder unit D tilt before driven plunger drive motor 33, piston 39 is risen to not under the state of the height of interfering with cylinder cap 37 stops.Then drive cylinder cap motor 35 cylinder unit D is tilted, under the state that cylinder cap 37 is inserted cylinder body 32, stop.Then open heat water valve 24 and piston 39 is descended by reversing driven plunger drive motor 33.If use this method, then liquid component is strengthened from the power in pipe arrangement 6A and the pipe arrangement 6C one side suction cylinder body 32, after piston 39 descends piston 39 is risen from bottom dead centre, the liquid component of the liquid component among the beverage supplying pipe 30A in sucking cylinder body 32 flows to the downstream whereby.Piston-driven motor 33 is controlled to based on the time that sets in the timer 103 and switches on, and can carry out liquid whereby and remove in the time of wanting.

In addition, also can supply to the broken beans that use in next time selling goods in the cylinder body 32, pipe arrangement 6A and beverage supplying pipe 30A be carried out scavenging by tamping in the end back of selling goods.In this occasion, after finishing, compacting becomes the state of selling goods of waiting for, and when selling goods action, do not need to supply with the action of broken beans next time and can shorten the time of selling goods.

The another kind that Figure 13 (a) illustrates the liquid removal of carrying out in the pipe arrangement constitutes, comprise the gas cylinder 90 that stores carbonic acid gas, be connected in the pipe arrangement 6D between gas cylinder 90 and the pipe arrangement 6A, be located at the magnetic valve 92 on the pipe arrangement 6D, be located at diverging and be connected to the pipe arrangement 6E of carbonator on the pipe arrangement 6D by manifold 91, and being located at magnetic valve 93 on the pipe arrangement 6E, pipe arrangement 6D is connected in the downstream of the check valve 21 that is located on the pipe arrangement 6A.

Figure 13 (b) illustrates liquid and removes action, piston 39 is risen under the state of top dead-centre stop.Then drive cylinder cap motor 35 cylinder unit D is tilted, under the state of closing magnetic valve 93 and 24, make carbonic acid gas supply to pipe arrangement 6A with the air pressure of regulation by opening magnetic valve 92.Be trapped in the interior liquid component of pipe arrangement is ejected into piston 39 based on the air pressure of carbonic acid gas top, top.

If use above-mentioned formation, then the air pressure based on carbonic acid gas is promptly removed the liquid component that is trapped in the pipe arrangement, and by means of the top, top that can clean piston 39 from cylinder cap 37 with the liquid component of high-pressure injection.

Though the manufacturing with regard to Hot Coffee is illustrated in an embodiment of the present invention, also can apply to sell the cup type automatic vendor of cold coffee.

As described above, if adopt cup type automatic vendor of the present invention, then because after coffee beverage extracts, give in the extractor pressure differential with the outside of extractor, and make liquid flow in the pipeline that is connected in extractor, so liquid after extracting, coffee beverage is not trapped in the pipe arrangement.

Claims (7)

1. a cup type automatic vendor supplies to extractor to the broken beans of the coffee bean of the granularity that is ground into regulation, the boiling water of the temperature of regulation is supplied to aforementioned extractor from boiled water tank via pipe arrangement extract coffee beverage, it is characterized in that:

Have mobile mechanism, this mobile mechanism extracts negative pressure that the back takes place by the driving based on aforementioned extractor at aforementioned coffee beverage the aforementioned coffee beverage that is trapped in the aforementioned boiling water in the aforementioned pipe arrangement and send from aforementioned extractor in the pipeline of aforementioned coffee beverage is attracted in the extraction residue of the broken beans that extracted aforementioned coffee beverage aforementioned extractor.

2. cup type automatic vendor as claimed in claim 1 is characterized in that: aforementioned mobile mechanism comprises:

Accommodate the cylinder body of aforementioned broken beans;

Lifting is located at the piston in the aforementioned cylinder body freely;

Make the elevating mechanism of aforementioned piston lifting in aforementioned cylinder body; And

By aforementioned piston is risen and the air that produces flows from the bottom dead centre in the aforementioned cylinder body, being trapped in the aforementioned boiling water in the aforementioned pipe arrangement and sending the controlling organization that aforementioned coffee beverage in the pipeline of aforementioned coffee beverage is released the draining bucket from aforementioned extractor.

3. cup type automatic vendor as claimed in claim 2, it is characterized in that: aforementioned controlling organization makes aforementioned piston drop to bottom dead centre from the top dead-centre in the aforementioned cylinder body based on the down maneuver of aforementioned elevating mechanism, whereby aforementioned boiling water and aforementioned coffee beverage are attracted in the aforementioned cylinder body, vertical motion based on aforementioned elevating mechanism makes aforementioned piston rise from the bottom dead centre in the aforementioned cylinder body, makes the pressure rising in the aforementioned cylinder body whereby and makes the aforementioned boiling water and the aforementioned coffee beverage that are attracted in the aforementioned cylinder body be discharged to aforementioned draining bucket via the pipeline of sending aforementioned coffee beverage from aforementioned extractor.

4. cup type automatic vendor as claimed in claim 1 is characterized in that: gas cylinder the pressure blanketing gas to stipulate of aforementioned mobile mechanism from being connected in aforementioned pipe arrangement makes the aforementioned boiling water that is trapped in the aforementioned pipe arrangement flow to aforementioned extractor one side whereby.

5. cup type automatic vendor as claimed in claim 4 is characterized in that: aforementioned extractor sprays aforementioned boiling water based on the pressure of aforementioned gas with high pressure, comes to clean to extract residue whereby.

6. cup type automatic vendor as claimed in claim 4 is characterized in that: the migrate carbonic acid gas cylinder of the carbonic acid gas of having filled soda manufacturing usefulness of aforementioned gas cylinder.

7. cup type automatic vendor as claimed in claim 1 is characterized in that: aforementioned extractor comprises:

Cylinder unit, this cylinder unit comprise that cylinder body, the lifting of accommodating aforementioned broken beans are located at piston in the aforementioned cylinder body and the driving mechanism that drives aforementioned piston freely;

Leaning device, this leaning device make aforementioned cylinder unit tilt to the 2nd posture from the 1st posture; And

Cylinder cap, this cylinder cap relatively cooperates with aforementioned cylinder body in aforementioned the 2nd posture, and aforementioned boiling water is supplied in the aforementioned cylinder body from aforementioned boiled water tank.

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