CN1163402C

CN1163402C - Drink making machine

Info

Publication number: CN1163402C
Application number: CNB991088662A
Authority: CN
Inventors: 渡边博; 高坂宏
Original assignee: Sanyo Electric Co Ltd
Current assignee: Sanyo Electric Co Ltd
Priority date: 1999-06-28
Filing date: 1999-06-28
Publication date: 2004-08-25
Anticipated expiration: 2019-06-28
Also published as: CN1290650A

Abstract

The present invention relates to a beverage preparing machine which can exactly detect the selling condition of the raw materials of BIB beverage. The beverage preparing machine 1 can extrude a delivery tube 4 led by BIB (Bag In Box) 3 by a pump 5, and the raw materials of the beverage are extruded and supplied. The beverage preparing machine 1 is provided with a sensor 13 arranged near the delivery tube 4 and a control device which inputs the output of the sensor, wherein the sensor 13 outputs the analog signals of the state in the corresponding delivery tube 4. Meanwhile, the control device works out a motion plateau value which takes a peak value of the analog signals in multipoint sampling as original data, and the control device can judge the selling condition of the raw materials of the beverage according to the change of the motion plateau value.

Description

Beverage dispensing control machine

Technical field

The present invention relates to supply with the beverage dispensing control machine of beverage raw material by BIB (Bag In Box).

Background technology

In the past, BIB is with beverage dispensing control machine for example shown in the Japanese kokai publication hei 6-211299 communique, employing is by pushing the opaque delivery line of being drawn by BIB with pipe pump (peristaltic pump), and extrude beverage raw material, and then in the mode of its discharge orifice with dilution cooling water expansion tank or the mixing of cooling carbonated water mechanicalness by BIB.

The beverage raw material of this kind beverage dispensing control machine in BIB becomes the occasion of empty (selling out), just can not provide the beverage as purpose, so be necessary to change BIB.Therefore, in the past, adherence is equipped with in delivery line sells out the detecting device that detects usefulness.This detecting device detects by electrical factor such as magnetic field or electrostatic capacity whether beverage raw material is arranged in the delivery line, and its sensor part is output as analog signal as shown in Figure 8.

Wherein, Fig. 8 shows that the young of analog output voltage that is passed to the sensor part when peddling by the state of peddling standby moves.The degree (poor) that detecting device descends when the output voltage of this sensor part is judged to be during above set critical value and sells out, and as in Fig. 8 topmost by solid line towards shown in the variation of long and short dash line, change output.Dispensing machine changes to implement according to the output of this detecting device sells out demonstration etc.

Yet, owing to push delivery line, in any case and also can make the analogue signal generating fluctuation (be not the tiny ripple in the peddling of Fig. 8, but big ripple) of sensor part by pump.Therefore, usually the signal of being used as according to the variation of the signal of this fluctuation when selling out can be changed, and produce wrong action.

Especially in beverage raw material compared to for example orange juice of beverage viscosity height such as tea etc., because the variation of the analog signal when selling out is minimum, though so usually produce the judgement in fact do not sell out and to do to sell out, though or sold out and can not judge and abnormal danger such as sell out.

Summary of the invention

The present invention provides a kind of beverage dispensing control machine of selling out that can accurately detect the beverage raw material of BIB in order to solve this kind prior art problem.

Beverage dispensing control machine of the present invention is pushed the delivery line of being drawn by BIB by pump, thereby extrudes beverage raw material and supply; It has in abutting connection with delivery line and sensor that sets and the control setup of importing the output of this sensor, and sensor is exported the analog signal of the interior state of corresponding delivery line, calculate the peak value that this analog signal is given in the multi-draw with timed unit and be used as the moving average of former data, and implement the judgement of selling out of above-mentioned beverage raw material according to the variation of this moving average.

According to the present invention, extrude in the beverage dispensing control machine of beverage raw material and supply in push the delivery line of drawing by pump by BIB, owing to set the sensor of output in abutting connection with delivery line to the analog signal of the state in should delivery line, be provided with the control setup of the output of importing this sensor simultaneously, and this control setup is calculated analog signal with sensor output and is given the moving average that peak value in the multi-draw is used as raw data, and implement the judgement of selling out of beverage raw material according to the variation of this moving average, so can prevent the mistake that fluctuation caused judgement, and can implement the stable detection of selling out because of the action of following pump.

Description of drawings

Fig. 1 is the front elevation of the present invention's beverage dispensing control machine;

Fig. 2 is the lateral plan of the present invention's beverage dispensing control machine;

Fig. 3 is the enlarged drawing of the operating portion of the present invention's beverage dispensing control machine;

Fig. 4 is the front elevation of state of door of opening the present invention's beverage dispensing control machine;

Fig. 5 is the in-built lateral plan of demonstration the present invention's beverage dispensing control machine;

Fig. 6 is the BIB of Fig. 4 and the amplification front elevation of sensor and pump;

Fig. 7 is the diagram of block of the circuit of the control setup of the present invention's beverage dispensing control machine;

The figure of the analog signal that Fig. 8 exports for the sensor of the beverage dispensing control machine that shows the present invention;

The figure of the analog signal that Fig. 9 exports for the sensor that similarly shows the present invention's beverage dispensing control machine;

The diagram of circuit of selling out acts of determination that Figure 10 implements for the micro computer of the control setup of demonstration the present invention's beverage dispensing control machine.

The specific embodiment

Below, describe embodiments of the invention in detail according to accompanying drawing.Fig. 1 is the front elevation of the present invention's beverage dispensing control machine 1; Fig. 2 is the lateral plan of the present invention's beverage dispensing control machine 1; Fig. 3 is the enlarged drawing of the operating portion 27 of beverage dispensing control machine 1; Fig. 4 is the front elevation of state of opening the door 28 of beverage dispensing control machine 1; Fig. 5 is for showing the in-built lateral plan of beverage dispensing control machine 1; Fig. 6 is the BIB3 of Fig. 4 and the amplification front elevation of sensor 13 and pump 5; Fig. 7 is the diagram of block of circuit of the control setup 21 of beverage dispensing control machine 1.

The beverage dispensing control machine 1 of embodiment is at employed BIB such as restaurant or teahouse beverage dispensing control machine, and it lies in the body 2 with the BIB

unit

32,32 of supplying with neutral beverages such as oolong tea, orange juice and supplies with the device of bucket unit 31 of the purpose beverage of strong and weak carbon-free acids.The structure of this kind beverage dispensing control machine 1 as shown in Figure 4, a bucket unit 31 is disposed at central authorities, and its both sides dispose BIB unit 32,32.And these barrels unit 31 and

BIB unit

32,32 are hidden by the door to be opened/closed 28 that is positioned at the front.

As Fig. 4 and shown in Figure 5, bucket unit 31 is equipped with electromagnetic valve 8 and flow regulator 17 at the beverage raw material stream of supplying with beverage raw material.And a bucket unit is provided with nozzle 12, its in order to discharge with beverage raw material with manage the dilution water of being supplied with by other and mix the purpose raw material that mixes for the purpose beverage.This nozzle 12 is the diverse beverage raw material of supplying with by a plurality of beverage raw material bucket and discharge the combining nozzle of the purpose beverage of kind difference according to user's selection.

Secondly, according to Fig. 4 and Fig. 6 BIB unit 32 is described.The opaque delivery line 4 of BIB3 detects rotor 5A and the arm 5B that is held on pump (peristaltic pump) 5 with sensor 13 via selling out, and via being located at the tightening screw actuator 19 of side under the pump 5 beverage raw material is supplied to nozzle 6.

Pump 5 uses for example pump shown in the Japanese kokai publication hei 6-211299 communique, and pushes delivery line 4 in regular turn and extrude beverage raw material simultaneously by a plurality of rollers that are installed on rotor 5A.Be adjacent to the nozzle 6 of beverage raw material and be provided with the nozzle 7 of dilution water again.

And the below in the nozzle 12 of the

nozzle

6,7 of this BIB unit 32 and bucket unit 31 is provided with platform 14, can dispose the cup of being guided by guide member 15 on this platform 14.Again, the label 33 of Fig. 5 is a formation in order to the compressor of the cooling mechanism of cooling dilution water etc.; Label 34 is a condenser; Label 36 is the dilution pump motor.Label 37 is a tank; Label 38 is a carbonator.

On the other hand, the sensor 13 is in abutting connection with adherence in delivery line 4 and establish.This sensor 13 produces magnetic field by magnetic core in delivery line 4, will be used as analog signal (voltage) with the variation in the different magnetic fields of causing of the magnetic susceptibility of bubble by the beverage raw materials in this delivery line 4 simultaneously and export.

Front in above-mentioned door 28 is provided with the operating portion 27 of operation from the beverage supplying of bucket unit 31 and

BIB unit

32,32, particularly is respectively equipped with corresponding to the part of

BIB unit

32,32 and sells out display lamp 23.Again, being provided with BIB in the inside of door 28 sells out and changes the reset switch 18 that sell out in order to releasing the back.

Secondly, Fig. 7 shows the control setup 21 of the relevant BIB of beverage dispensing control machine 1, and is transfused to the output of above-mentioned detector 13 and reset switch 18 in the input end of the micro computer 22 of control setup 21.On the other hand, the mouth of micro computer 22 is connected with and sells out display lamp 23, tightens screw actuator 19, pump 5 and dilution water electromagnetic valve 25.

According to above-mentioned structure, the relevant action of BIB of beverage dispensing control machine 1 is described with reference to Fig. 8 to Figure 10.Fig. 8 and Fig. 9 show by peddling readiness for action to the analog signal of peddling middle sensor 13 outputs.The signal level of the sensor 13 in peddling standby is not seen change.And if beginning is from the peddling of the beverage of BIB3, then micro computer 22 is at the driving pump 5 between the time of peddling that preestablishes, and opens dilution water electromagnetic valve 25 simultaneously and discharges dilution water.Again,, then stop pump 5, and close dilution water electromagnetic valve 25, close simultaneously and tighten screw actuator 19 if peddle the time through setting.

By this, dilute the beverage raw material of the amount that the above-mentioned time of peddling determined with dilution water, and with the neutral beverage supplying of set concentration to cup.

On the one hand, the signal level of the sensor in peddling 13 produces as above-mentioned fluctuation shown in Figure 8.This is to result from the change etc. of discharge mode of the vibration of pushing the delivery line 4 that causes that caused by pump 5 or beverage raw material.

On the other hand, micro computer 22 with set interval (for example is, 10ms) analog signal of this sensor 13 is given N (for example 14) multi-draw, and select one of them peak value, be used as data N1 and be stored in the former data energy disperser of the moving average that has itself.Again, if after this is stored 16 (N16) part, then discarded thereafter present N1, and N2 moved to N1, and new data are used as N16 and are stored it, thereby new data more in regular turn.This state is shown in Figure 10.

And the data of micro computer 22 each update buffer are all calculated the average of initial three data N1, N2, N3, and are used as data 1., calculate the average of last three data N14, N15, N16 simultaneously, and are used as data 2..By the difference of calculating these data 1.-2., and the variation of calculating moving average again,, and then judge this variation (poor) one by one whether more than set decision bits standard, be judged to be and sell out reaching the occasion of position more than accurate.

By this determinating reference is set, even fluctuation appears in the output of sensor 13 as shown in Figure 8, also can smoothing as peak value, so in BIB3 under the state of residual drink raw material, 1.-2. above-mentioned difference can not reach more than the decision bits standard.

Secondly, if the beverage raw material in the BIB3 is sold out in peddling, then because bubble is sneaked in the delivery line 4, so as shown in Figure 9, the analog signal of sensor 13 descends hastily.In this occasion, micro computer 22 is also implemented above-mentioned judgement one by one, and 1.-2. above-mentioned difference reaches more than the decision bits standard if analog signal descends hastily, then is judged to be and sells out, and sells out display lamp 23 and light.

Wherein, when changing the BIB3 that has sold out, open arm 5B, take off delivery line 4, and then the delivery line 4 of new BIB3 is installed between the rotor 5A and arm 5B of pipe pump 5.Then, if operation reset switch 18, then micro computer 22 makes above-mentioned selling out judge and to reset.

Again, in an embodiment, though use the sensor 13 that detects interior the state of delivery line 4 by magnetic field, be not limited to this, even the use electrostatic capacity waits the sensor that detects, the present invention is also effective.Again, the data number of the moving average shown in the embodiment is not limited thereto, and also can suitably change.

As mentioned above, according to the present invention, in pushing by pump that the delivery line of being drawn by BIB is extruded beverage raw material and in the beverage dispensing control machine supplied with, owing to set the sensor of output in abutting connection with delivery line to the analog signal of the state in should delivery line, be provided with the control setup of the output of importing this sensor simultaneously, and this control setup is calculated analog signal with sensor output and is given the moving average that peak value in the multi-draw is used as former data, and implement the judgement of selling out of beverage raw material according to the variation of this moving average, so can prevent the mistake that fluctuation caused judgement, and can implement the stable detection of selling out because of the action of following pump.

Particularly be that the basis is judged with the peak value, thus can grasp the variation of the analog signal of sensor effectively, and can make sell out judge more accurate.

Claims

1. a beverage dispensing control machine is pushed the delivery line of being drawn by BIB (Bag In Box) by pump, and extrudes beverage raw material and supply, and it has the sensor that sets in abutting connection with described delivery line,

It is characterized in that:

Control setup with output of input the sensor, described sensor is exported the analog signal of the interior state of corresponding described delivery line, described control setup of while is calculated the peak value that this analog signal is given in the multi-draw and is used as the moving average of former data, and implements the judgement of selling out of described beverage raw material according to the variation of this moving average.